[ 353.996369][ T3081] netem: version 1.3 [ 2242.664624][T16967] [ 2242.664821][T16967] ============================================ [ 2242.665078][T16967] WARNING: possible recursive locking detected [ 2242.665315][T16967] 6.16.0-rc6-virtme #1 Not tainted [ 2242.665514][T16967] -------------------------------------------- [ 2242.665746][T16967] mptcp_connect/16967 is trying to acquire lock: [ 2242.665976][T16967] ffff88800bf86b48 (&msk->fallback_lock){+.-.}-{3:3}, at: mptcp_try_fallback+0x14b/0x360 [ 2242.666314][T16967] [ 2242.666314][T16967] but task is already holding lock: [ 2242.666590][T16967] ffff88800bf86b48 (&msk->fallback_lock){+.-.}-{3:3}, at: __mptcp_retrans+0x34a/0x960 [ 2242.666915][T16967] [ 2242.666915][T16967] other info that might help us debug this: [ 2242.667198][T16967] Possible unsafe locking scenario: [ 2242.667198][T16967] [ 2242.667471][T16967] CPU0 [ 2242.667621][T16967] ---- [ 2242.667759][T16967] lock(&msk->fallback_lock); [ 2242.667943][T16967] lock(&msk->fallback_lock); [ 2242.668134][T16967] [ 2242.668134][T16967] *** DEADLOCK *** [ 2242.668134][T16967] [ 2242.668411][T16967] May be due to missing lock nesting notation [ 2242.668411][T16967] [ 2242.668686][T16967] 3 locks held by mptcp_connect/16967: [ 2242.668885][T16967] #0: ffff88800bf86298 (sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_sendmsg+0x113/0x18b0 [ 2242.669220][T16967] #1: ffff8880058c3598 (k-sk_lock-AF_INET#2){+.+.}-{0:0}, at: __mptcp_retrans+0x2c4/0x960 [ 2242.669602][T16967] #2: ffff88800bf86b48 (&msk->fallback_lock){+.-.}-{3:3}, at: __mptcp_retrans+0x34a/0x960 [ 2242.669968][T16967] [ 2242.669968][T16967] stack backtrace: [ 2242.670213][T16967] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Not tainted 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2242.670218][T16967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2242.670224][T16967] Call Trace: [ 2242.670228][T16967] [ 2242.670231][T16967] dump_stack_lvl+0x82/0xd0 [ 2242.670239][T16967] print_deadlock_bug+0x1ec/0x250 [ 2242.670247][T16967] validate_chain+0x292/0x4d0 [ 2242.670253][T16967] __lock_acquire+0x44d/0x7e0 [ 2242.670258][T16967] lock_acquire.part.0+0xb6/0x240 [ 2242.670262][T16967] ? mptcp_try_fallback+0x14b/0x360 [ 2242.670266][T16967] ? rcu_is_watching+0x12/0xc0 [ 2242.670273][T16967] ? lock_acquire+0x10c/0x170 [ 2242.670276][T16967] ? mptcp_try_fallback+0x14b/0x360 [ 2242.670279][T16967] _raw_spin_lock_bh+0x38/0x50 [ 2242.670285][T16967] ? mptcp_try_fallback+0x14b/0x360 [ 2242.670288][T16967] mptcp_try_fallback+0x14b/0x360 [ 2242.670292][T16967] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2242.670298][T16967] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2242.670301][T16967] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2242.670304][T16967] ? __mptcp_retrans+0x34a/0x960 [ 2242.670308][T16967] __mptcp_retrans+0x42a/0x960 [ 2242.670314][T16967] ? __pfx___mptcp_retrans+0x10/0x10 [ 2242.670319][T16967] ? __local_bh_enable_ip+0xa9/0x130 [ 2242.670327][T16967] mptcp_release_cb+0x5eb/0xac0 [ 2242.670334][T16967] ? do_raw_spin_lock+0x130/0x270 [ 2242.670336][T16967] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2242.670340][T16967] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2242.670342][T16967] ? lock_acquire+0x10c/0x170 [ 2242.670345][T16967] ? release_sock+0x1f/0x1d0 [ 2242.670352][T16967] release_sock+0x17f/0x1d0 [ 2242.670355][T16967] mptcp_sendmsg+0xae1/0x18b0 [ 2242.670363][T16967] ? _raw_spin_unlock+0x2d/0x50 [ 2242.670366][T16967] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2242.670370][T16967] ? __pfx_ovl_copyattr+0x10/0x10 [ 2242.670376][T16967] ? find_held_lock+0x2b/0x80 [ 2242.670380][T16967] sock_write_iter+0x3c1/0x520 [ 2242.670386][T16967] ? __up_write+0x1ad/0x530 [ 2242.670391][T16967] ? __pfx_sock_write_iter+0x10/0x10 [ 2242.670397][T16967] ? ksys_write+0xf7/0x1d0 [ 2242.670405][T16967] vfs_write+0xc0c/0x1210 [ 2242.670409][T16967] ? ksys_write+0x137/0x1d0 [ 2242.670411][T16967] ? __lock_release+0x5d/0x170 [ 2242.670415][T16967] ? __pfx_vfs_write+0x10/0x10 [ 2242.670419][T16967] ? __mutex_unlock_slowpath+0x144/0x400 [ 2242.670426][T16967] ksys_write+0x183/0x1d0 [ 2242.670429][T16967] ? __pfx_ksys_write+0x10/0x10 [ 2242.670431][T16967] ? do_user_addr_fault+0x959/0xe00 [ 2242.670439][T16967] do_syscall_64+0xc1/0x380 [ 2242.670443][T16967] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2242.670448][T16967] RIP: 0033:0x7f492fa5f337 [ 2242.670453][T16967] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2242.670458][T16967] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2242.670465][T16967] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2242.670467][T16967] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2242.670469][T16967] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2242.670471][T16967] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2242.670473][T16967] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2242.670479][T16967] [ 2268.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 26s! [mptcp_connect:16967] [ 2268.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2268.512938][ C2] irq event stamp: 66996 [ 2268.512940][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2268.512963][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2268.512967][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2268.512975][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2268.512983][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Not tainted 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2268.512988][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2268.512991][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2268.512997][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2268.513000][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2268.513003][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2268.513006][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2268.513008][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2268.513010][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2268.513012][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2268.513014][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2268.513016][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2268.513021][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2268.513023][ C2] PKRU: 55555554 [ 2268.513024][ C2] Call Trace: [ 2268.513028][ C2] [ 2268.513032][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2268.513040][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2268.513047][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2268.513050][ C2] ? lock_acquire+0x10c/0x170 [ 2268.513055][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2268.513060][ C2] mptcp_try_fallback+0x14b/0x360 [ 2268.513064][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2268.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2268.513074][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2268.513077][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2268.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 2268.513088][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2268.513093][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2268.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2268.513110][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2268.513112][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2268.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2268.513118][ C2] ? lock_acquire+0x10c/0x170 [ 2268.513121][ C2] ? release_sock+0x1f/0x1d0 [ 2268.513128][ C2] release_sock+0x17f/0x1d0 [ 2268.513132][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2268.513141][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2268.513144][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2268.513148][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2268.513155][ C2] ? find_held_lock+0x2b/0x80 [ 2268.513159][ C2] sock_write_iter+0x3c1/0x520 [ 2268.513166][ C2] ? __up_write+0x1ad/0x530 [ 2268.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2268.513178][ C2] ? ksys_write+0xf7/0x1d0 [ 2268.513186][ C2] vfs_write+0xc0c/0x1210 [ 2268.513190][ C2] ? ksys_write+0x137/0x1d0 [ 2268.513193][ C2] ? __lock_release+0x5d/0x170 [ 2268.513197][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2268.513201][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2268.513208][ C2] ksys_write+0x183/0x1d0 [ 2268.513212][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2268.513215][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2268.513223][ C2] do_syscall_64+0xc1/0x380 [ 2268.513228][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2268.513232][ C2] RIP: 0033:0x7f492fa5f337 [ 2268.513238][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2268.513241][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2268.513244][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2268.513246][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2268.513248][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2268.513250][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2268.513252][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2268.513258][ C2] [ 2268.664475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2268.664890][ C2] rcu: 2-....: (25970 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=5402 [ 2268.665284][ C2] rcu: (t=26001 jiffies g=1296501 q=1495 ncpus=4) [ 2268.665524][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2268.665531][ C2] Tainted: [L]=SOFTLOCKUP [ 2268.665533][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2268.665535][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 2268.665548][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 2268.665551][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 2268.665555][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2268.665557][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2268.665559][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2268.665561][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2268.665563][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2268.665565][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2268.665567][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2268.665571][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2268.665573][ C2] PKRU: 55555554 [ 2268.665574][ C2] Call Trace: [ 2268.665575][ C2] [ 2268.665577][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2268.665586][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2268.665593][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2268.665598][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2268.665601][ C2] ? lock_acquire+0x10c/0x170 [ 2268.665606][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2268.665614][ C2] mptcp_try_fallback+0x14b/0x360 [ 2268.665618][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2268.665624][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2268.665627][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2268.665629][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2268.665635][ C2] __mptcp_retrans+0x42a/0x960 [ 2268.665640][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2268.665645][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2268.665654][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2268.665662][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2268.665665][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2268.665668][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2268.665670][ C2] ? lock_acquire+0x10c/0x170 [ 2268.665673][ C2] ? release_sock+0x1f/0x1d0 [ 2268.665680][ C2] release_sock+0x17f/0x1d0 [ 2268.665683][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2268.665691][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2268.665695][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2268.665699][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2268.665706][ C2] ? find_held_lock+0x2b/0x80 [ 2268.665711][ C2] sock_write_iter+0x3c1/0x520 [ 2268.665717][ C2] ? __up_write+0x1ad/0x530 [ 2268.665723][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2268.665729][ C2] ? ksys_write+0xf7/0x1d0 [ 2268.665736][ C2] vfs_write+0xc0c/0x1210 [ 2268.665739][ C2] ? ksys_write+0x137/0x1d0 [ 2268.665741][ C2] ? __lock_release+0x5d/0x170 [ 2268.665745][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2268.665749][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2268.665756][ C2] ksys_write+0x183/0x1d0 [ 2268.665759][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2268.665762][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2268.665770][ C2] do_syscall_64+0xc1/0x380 [ 2268.665775][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2268.665779][ C2] RIP: 0033:0x7f492fa5f337 [ 2268.665785][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2268.665787][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2268.665790][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2268.665792][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2268.665794][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2268.665796][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2268.665798][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2268.665804][ C2] [ 2296.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 52s! [mptcp_connect:16967] [ 2296.512994][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2296.513033][ C2] irq event stamp: 66996 [ 2296.513038][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2296.513094][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2296.513098][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2296.513117][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2296.513159][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2296.513167][ C2] Tainted: [L]=SOFTLOCKUP [ 2296.513170][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2296.513178][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 2296.513213][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 <53> 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 [ 2296.513217][ C2] RSP: 0018:ffffc9000028f5b8 EFLAGS: 00000282 [ 2296.513226][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2296.513228][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2296.513230][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2296.513232][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2296.513234][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2296.513236][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2296.513241][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2296.513244][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2296.513247][ C2] PKRU: 55555554 [ 2296.513248][ C2] Call Trace: [ 2296.513251][ C2] [ 2296.513274][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2296.513287][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2296.513294][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2296.513314][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2296.513317][ C2] ? lock_acquire+0x10c/0x170 [ 2296.513324][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2296.513329][ C2] mptcp_try_fallback+0x14b/0x360 [ 2296.513333][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2296.513340][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2296.513343][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2296.513346][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2296.513350][ C2] __mptcp_retrans+0x42a/0x960 [ 2296.513360][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2296.513365][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2296.513386][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2296.513396][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2296.513399][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2296.513402][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2296.513405][ C2] ? lock_acquire+0x10c/0x170 [ 2296.513408][ C2] ? release_sock+0x1f/0x1d0 [ 2296.513424][ C2] release_sock+0x17f/0x1d0 [ 2296.513432][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2296.513443][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2296.513446][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2296.513451][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2296.513472][ C2] ? find_held_lock+0x2b/0x80 [ 2296.513476][ C2] sock_write_iter+0x3c1/0x520 [ 2296.513491][ C2] ? __up_write+0x1ad/0x530 [ 2296.513497][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2296.513504][ C2] ? ksys_write+0xf7/0x1d0 [ 2296.513512][ C2] vfs_write+0xc0c/0x1210 [ 2296.513521][ C2] ? ksys_write+0x137/0x1d0 [ 2296.513524][ C2] ? __lock_release+0x5d/0x170 [ 2296.513527][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2296.513532][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2296.513539][ C2] ksys_write+0x183/0x1d0 [ 2296.513543][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2296.513546][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2296.513559][ C2] do_syscall_64+0xc1/0x380 [ 2296.513567][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2296.513581][ C2] RIP: 0033:0x7f492fa5f337 [ 2296.513600][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2296.513604][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2296.513607][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2296.513609][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2296.513611][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2296.513613][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2296.513615][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2296.513621][ C2] [ 2307.505257][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 34809 jiffies s: 68497 root: 0x4/. [ 2307.506077][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2307.506400][ T17] Sending NMI from CPU 1 to CPUs 2: [ 2307.506710][ C2] NMI backtrace for cpu 2 [ 2307.506724][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2307.506731][ C2] Tainted: [L]=SOFTLOCKUP [ 2307.506732][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2307.506735][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2307.506748][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2307.506752][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2307.506756][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2307.506758][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2307.506760][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2307.506762][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2307.506764][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2307.506766][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2307.506768][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2307.506772][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2307.506774][ C2] PKRU: 55555554 [ 2307.506776][ C2] Call Trace: [ 2307.506778][ C2] [ 2307.506783][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2307.506790][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2307.506797][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2307.506799][ C2] ? lock_acquire+0x10c/0x170 [ 2307.506804][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2307.506812][ C2] mptcp_try_fallback+0x14b/0x360 [ 2307.506816][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2307.506822][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2307.506825][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2307.506828][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2307.506833][ C2] __mptcp_retrans+0x42a/0x960 [ 2307.506838][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2307.506844][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2307.506855][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2307.506863][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2307.506866][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2307.506869][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2307.506871][ C2] ? lock_acquire+0x10c/0x170 [ 2307.506876][ C2] ? release_sock+0x1f/0x1d0 [ 2307.506884][ C2] release_sock+0x17f/0x1d0 [ 2307.506888][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2307.506895][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2307.506900][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2307.506904][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2307.506910][ C2] ? find_held_lock+0x2b/0x80 [ 2307.506915][ C2] sock_write_iter+0x3c1/0x520 [ 2307.506922][ C2] ? __up_write+0x1ad/0x530 [ 2307.506928][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2307.506935][ C2] ? ksys_write+0xf7/0x1d0 [ 2307.506943][ C2] vfs_write+0xc0c/0x1210 [ 2307.506947][ C2] ? ksys_write+0x137/0x1d0 [ 2307.506950][ C2] ? __lock_release+0x5d/0x170 [ 2307.506953][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2307.506957][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2307.506964][ C2] ksys_write+0x183/0x1d0 [ 2307.506967][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2307.506969][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2307.506977][ C2] do_syscall_64+0xc1/0x380 [ 2307.506982][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2307.506986][ C2] RIP: 0033:0x7f492fa5f337 [ 2307.506992][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2307.506994][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2307.506998][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2307.507000][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2307.507001][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2307.507003][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2307.507005][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2307.507015][ C2] [ 2332.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 86s! [mptcp_connect:16967] [ 2332.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2332.512935][ C2] irq event stamp: 66996 [ 2332.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2332.512950][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2332.512955][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2332.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2332.512972][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2332.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 2332.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2332.512982][ C2] RIP: 0010:kasan_check_range+0x66/0x1c0 [ 2332.512991][ C2] Code: 5b 5d 41 5c e9 0b fb 1a 02 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df <4d> 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 48 89 e8 49 8d [ 2332.512994][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000212 [ 2332.512997][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2332.512999][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2332.513001][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2332.513003][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2332.513009][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2332.513011][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2332.513014][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2332.513018][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2332.513020][ C2] PKRU: 55555554 [ 2332.513022][ C2] Call Trace: [ 2332.513024][ C2] [ 2332.513029][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2332.513035][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2332.513045][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2332.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2332.513053][ C2] ? lock_acquire+0x10c/0x170 [ 2332.513059][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2332.513064][ C2] mptcp_try_fallback+0x14b/0x360 [ 2332.513068][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2332.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2332.513077][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2332.513080][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2332.513085][ C2] __mptcp_retrans+0x42a/0x960 [ 2332.513090][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2332.513096][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2332.513104][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2332.513112][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2332.513114][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2332.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2332.513120][ C2] ? lock_acquire+0x10c/0x170 [ 2332.513123][ C2] ? release_sock+0x1f/0x1d0 [ 2332.513131][ C2] release_sock+0x17f/0x1d0 [ 2332.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2332.513142][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2332.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2332.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2332.513158][ C2] ? find_held_lock+0x2b/0x80 [ 2332.513162][ C2] sock_write_iter+0x3c1/0x520 [ 2332.513168][ C2] ? __up_write+0x1ad/0x530 [ 2332.513174][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2332.513181][ C2] ? ksys_write+0xf7/0x1d0 [ 2332.513188][ C2] vfs_write+0xc0c/0x1210 [ 2332.513192][ C2] ? ksys_write+0x137/0x1d0 [ 2332.513194][ C2] ? __lock_release+0x5d/0x170 [ 2332.513198][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2332.513202][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2332.513209][ C2] ksys_write+0x183/0x1d0 [ 2332.513213][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2332.513215][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2332.513223][ C2] do_syscall_64+0xc1/0x380 [ 2332.513229][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2332.513234][ C2] RIP: 0033:0x7f492fa5f337 [ 2332.513241][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2332.513243][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2332.513246][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2332.513248][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2332.513250][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2332.513252][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2332.513254][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2332.513260][ C2] [ 2346.669477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2346.669903][ C2] rcu: 2-....: (103908 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=22984 [ 2346.670439][ C2] rcu: (t=104006 jiffies g=1296501 q=3021 ncpus=4) [ 2346.670689][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2346.670696][ C2] Tainted: [L]=SOFTLOCKUP [ 2346.670697][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2346.670699][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2346.670712][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2346.670715][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2346.670719][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2346.670722][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2346.670723][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2346.670725][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2346.670727][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2346.670729][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2346.670732][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2346.670735][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2346.670737][ C2] PKRU: 55555554 [ 2346.670739][ C2] Call Trace: [ 2346.670740][ C2] [ 2346.670743][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2346.670751][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2346.670757][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2346.670763][ C2] ? lock_acquire+0x10c/0x170 [ 2346.670769][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2346.670777][ C2] mptcp_try_fallback+0x14b/0x360 [ 2346.670781][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2346.670787][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2346.670790][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2346.670793][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2346.670798][ C2] __mptcp_retrans+0x42a/0x960 [ 2346.670803][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2346.670809][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2346.670818][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2346.670826][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2346.670829][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2346.670832][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2346.670838][ C2] ? lock_acquire+0x10c/0x170 [ 2346.670841][ C2] ? release_sock+0x1f/0x1d0 [ 2346.670849][ C2] release_sock+0x17f/0x1d0 [ 2346.670852][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2346.670859][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2346.670863][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2346.670868][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2346.670874][ C2] ? find_held_lock+0x2b/0x80 [ 2346.670878][ C2] sock_write_iter+0x3c1/0x520 [ 2346.670884][ C2] ? __up_write+0x1ad/0x530 [ 2346.670890][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2346.670897][ C2] ? ksys_write+0xf7/0x1d0 [ 2346.670905][ C2] vfs_write+0xc0c/0x1210 [ 2346.670908][ C2] ? ksys_write+0x137/0x1d0 [ 2346.670911][ C2] ? __lock_release+0x5d/0x170 [ 2346.670915][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2346.670918][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2346.670926][ C2] ksys_write+0x183/0x1d0 [ 2346.670929][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2346.670932][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2346.670940][ C2] do_syscall_64+0xc1/0x380 [ 2346.670944][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2346.670948][ C2] RIP: 0033:0x7f492fa5f337 [ 2346.670953][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2346.670956][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2346.670961][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2346.670963][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2346.670964][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2346.670966][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2346.670968][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2346.670974][ C2] [ 2372.512909][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 123s! [mptcp_connect:16967] [ 2372.512922][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2372.512941][ C2] irq event stamp: 66996 [ 2372.512943][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2372.512957][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2372.512961][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2372.512969][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2372.512980][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2372.512986][ C2] Tainted: [L]=SOFTLOCKUP [ 2372.512987][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2372.512990][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2372.512996][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2372.513000][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2372.513004][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2372.513006][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2372.513015][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2372.513017][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2372.513019][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2372.513022][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2372.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2372.513030][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2372.513032][ C2] PKRU: 55555554 [ 2372.513034][ C2] Call Trace: [ 2372.513039][ C2] [ 2372.513044][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2372.513052][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2372.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2372.513062][ C2] ? lock_acquire+0x10c/0x170 [ 2372.513067][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2372.513072][ C2] mptcp_try_fallback+0x14b/0x360 [ 2372.513077][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2372.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2372.513087][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2372.513090][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2372.513095][ C2] __mptcp_retrans+0x42a/0x960 [ 2372.513101][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2372.513106][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2372.513115][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2372.513123][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2372.513126][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2372.513129][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2372.513132][ C2] ? lock_acquire+0x10c/0x170 [ 2372.513135][ C2] ? release_sock+0x1f/0x1d0 [ 2372.513143][ C2] release_sock+0x17f/0x1d0 [ 2372.513147][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2372.513155][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2372.513159][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2372.513163][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2372.513170][ C2] ? find_held_lock+0x2b/0x80 [ 2372.513175][ C2] sock_write_iter+0x3c1/0x520 [ 2372.513181][ C2] ? __up_write+0x1ad/0x530 [ 2372.513187][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2372.513194][ C2] ? ksys_write+0xf7/0x1d0 [ 2372.513202][ C2] vfs_write+0xc0c/0x1210 [ 2372.513207][ C2] ? ksys_write+0x137/0x1d0 [ 2372.513209][ C2] ? __lock_release+0x5d/0x170 [ 2372.513213][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2372.513217][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2372.513225][ C2] ksys_write+0x183/0x1d0 [ 2372.513229][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2372.513231][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2372.513240][ C2] do_syscall_64+0xc1/0x380 [ 2372.513247][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2372.513251][ C2] RIP: 0033:0x7f492fa5f337 [ 2372.513258][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2372.513261][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2372.513264][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2372.513266][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2372.513268][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2372.513270][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2372.513272][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2372.513278][ C2] [ 2400.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 149s! [mptcp_connect:16967] [ 2400.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2400.512937][ C2] irq event stamp: 66996 [ 2400.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2400.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2400.512956][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2400.512963][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2400.512973][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2400.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 2400.512981][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2400.512984][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2400.512989][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2400.512993][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2400.512996][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2400.512998][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2400.513000][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2400.513010][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2400.513012][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2400.513014][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2400.513017][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2400.513021][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2400.513023][ C2] PKRU: 55555554 [ 2400.513025][ C2] Call Trace: [ 2400.513030][ C2] [ 2400.513035][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2400.513043][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2400.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2400.513052][ C2] ? lock_acquire+0x10c/0x170 [ 2400.513057][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2400.513062][ C2] mptcp_try_fallback+0x14b/0x360 [ 2400.513066][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2400.513073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2400.513076][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2400.513078][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2400.513083][ C2] __mptcp_retrans+0x42a/0x960 [ 2400.513089][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2400.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2400.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2400.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2400.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2400.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2400.513123][ C2] ? lock_acquire+0x10c/0x170 [ 2400.513126][ C2] ? release_sock+0x1f/0x1d0 [ 2400.513134][ C2] release_sock+0x17f/0x1d0 [ 2400.513137][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2400.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2400.513149][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2400.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2400.513161][ C2] ? find_held_lock+0x2b/0x80 [ 2400.513166][ C2] sock_write_iter+0x3c1/0x520 [ 2400.513173][ C2] ? __up_write+0x1ad/0x530 [ 2400.513178][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2400.513185][ C2] ? ksys_write+0xf7/0x1d0 [ 2400.513193][ C2] vfs_write+0xc0c/0x1210 [ 2400.513197][ C2] ? ksys_write+0x137/0x1d0 [ 2400.513200][ C2] ? __lock_release+0x5d/0x170 [ 2400.513204][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2400.513208][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2400.513215][ C2] ksys_write+0x183/0x1d0 [ 2400.513219][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2400.513222][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2400.513230][ C2] do_syscall_64+0xc1/0x380 [ 2400.513235][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2400.513239][ C2] RIP: 0033:0x7f492fa5f337 [ 2400.513246][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2400.513248][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2400.513251][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2400.513253][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2400.513254][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2400.513256][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2400.513258][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2400.513264][ C2] [ 2405.808492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 133113 jiffies s: 68497 root: 0x4/. [ 2405.809047][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2405.809283][ T17] Sending NMI from CPU 1 to CPUs 2: [ 2405.809456][ C2] NMI backtrace for cpu 2 [ 2405.809467][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2405.809475][ C2] Tainted: [L]=SOFTLOCKUP [ 2405.809477][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2405.809480][ C2] RIP: 0010:kasan_check_range+0x4/0x1c0 [ 2405.809491][ C2] Code: 00 00 e9 bf c5 18 02 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <48> 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 [ 2405.809495][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 2405.809499][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2405.809509][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2405.809511][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2405.809513][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2405.809517][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2405.809519][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2405.809522][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2405.809526][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2405.809528][ C2] PKRU: 55555554 [ 2405.809529][ C2] Call Trace: [ 2405.809532][ C2] [ 2405.809536][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2405.809548][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2405.809555][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2405.809560][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2405.809563][ C2] ? lock_acquire+0x10c/0x170 [ 2405.809568][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2405.809576][ C2] mptcp_try_fallback+0x14b/0x360 [ 2405.809580][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2405.809587][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2405.809590][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2405.809593][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2405.809598][ C2] __mptcp_retrans+0x42a/0x960 [ 2405.809603][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2405.809609][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2405.809618][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2405.809626][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2405.809628][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2405.809631][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2405.809634][ C2] ? lock_acquire+0x10c/0x170 [ 2405.809637][ C2] ? release_sock+0x1f/0x1d0 [ 2405.809644][ C2] release_sock+0x17f/0x1d0 [ 2405.809647][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2405.809655][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2405.809659][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2405.809662][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2405.809669][ C2] ? find_held_lock+0x2b/0x80 [ 2405.809673][ C2] sock_write_iter+0x3c1/0x520 [ 2405.809681][ C2] ? __up_write+0x1ad/0x530 [ 2405.809686][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2405.809692][ C2] ? ksys_write+0xf7/0x1d0 [ 2405.809699][ C2] vfs_write+0xc0c/0x1210 [ 2405.809703][ C2] ? ksys_write+0x137/0x1d0 [ 2405.809705][ C2] ? __lock_release+0x5d/0x170 [ 2405.809709][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2405.809713][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2405.809721][ C2] ksys_write+0x183/0x1d0 [ 2405.809726][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2405.809729][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2405.809737][ C2] do_syscall_64+0xc1/0x380 [ 2405.809742][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2405.809746][ C2] RIP: 0033:0x7f492fa5f337 [ 2405.809752][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2405.809755][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2405.809758][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2405.809760][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2405.809762][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2405.809764][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2405.809766][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2405.809772][ C2] [ 2424.674477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2424.675004][ C2] rcu: 2-....: (181848 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=39578 [ 2424.675429][ C2] rcu: (t=182011 jiffies g=1296501 q=4438 ncpus=4) [ 2424.675687][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2424.675695][ C2] Tainted: [L]=SOFTLOCKUP [ 2424.675696][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2424.675699][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2424.675712][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2424.675716][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2424.675720][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2424.675722][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2424.675724][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2424.675726][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2424.675732][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2424.675735][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2424.675737][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2424.675741][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2424.675744][ C2] PKRU: 55555554 [ 2424.675745][ C2] Call Trace: [ 2424.675747][ C2] [ 2424.675749][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2424.675757][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2424.675763][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2424.675766][ C2] ? lock_acquire+0x10c/0x170 [ 2424.675771][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2424.675779][ C2] mptcp_try_fallback+0x14b/0x360 [ 2424.675783][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2424.675789][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2424.675792][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2424.675794][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2424.675800][ C2] __mptcp_retrans+0x42a/0x960 [ 2424.675805][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2424.675811][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2424.675820][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2424.675830][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2424.675833][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2424.675836][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2424.675839][ C2] ? lock_acquire+0x10c/0x170 [ 2424.675842][ C2] ? release_sock+0x1f/0x1d0 [ 2424.675849][ C2] release_sock+0x17f/0x1d0 [ 2424.675853][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2424.675860][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2424.675864][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2424.675868][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2424.675875][ C2] ? find_held_lock+0x2b/0x80 [ 2424.675879][ C2] sock_write_iter+0x3c1/0x520 [ 2424.675885][ C2] ? __up_write+0x1ad/0x530 [ 2424.675891][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2424.675898][ C2] ? ksys_write+0xf7/0x1d0 [ 2424.675905][ C2] vfs_write+0xc0c/0x1210 [ 2424.675908][ C2] ? ksys_write+0x137/0x1d0 [ 2424.675911][ C2] ? __lock_release+0x5d/0x170 [ 2424.675915][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2424.675919][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2424.675926][ C2] ksys_write+0x183/0x1d0 [ 2424.675930][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2424.675933][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2424.675941][ C2] do_syscall_64+0xc1/0x380 [ 2424.675946][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2424.675950][ C2] RIP: 0033:0x7f492fa5f337 [ 2424.675955][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2424.675957][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2424.675960][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2424.675962][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2424.675964][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2424.675966][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2424.675968][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2424.675974][ C2] [ 2452.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 198s! [mptcp_connect:16967] [ 2452.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2452.512936][ C2] irq event stamp: 66996 [ 2452.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2452.512951][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2452.512956][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2452.512963][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2452.512974][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2452.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 2452.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2452.512984][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2452.512990][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2452.512993][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2452.513003][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2452.513005][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2452.513007][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2452.513009][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2452.513011][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2452.513013][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2452.513016][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2452.513020][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2452.513022][ C2] PKRU: 55555554 [ 2452.513023][ C2] Call Trace: [ 2452.513027][ C2] [ 2452.513031][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2452.513039][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2452.513045][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2452.513048][ C2] ? lock_acquire+0x10c/0x170 [ 2452.513053][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2452.513058][ C2] mptcp_try_fallback+0x14b/0x360 [ 2452.513062][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2452.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2452.513071][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2452.513074][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2452.513079][ C2] __mptcp_retrans+0x42a/0x960 [ 2452.513085][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2452.513090][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2452.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2452.513107][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2452.513110][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2452.513113][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2452.513116][ C2] ? lock_acquire+0x10c/0x170 [ 2452.513119][ C2] ? release_sock+0x1f/0x1d0 [ 2452.513126][ C2] release_sock+0x17f/0x1d0 [ 2452.513130][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2452.513138][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2452.513142][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2452.513146][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2452.513152][ C2] ? find_held_lock+0x2b/0x80 [ 2452.513157][ C2] sock_write_iter+0x3c1/0x520 [ 2452.513163][ C2] ? __up_write+0x1ad/0x530 [ 2452.513169][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2452.513176][ C2] ? ksys_write+0xf7/0x1d0 [ 2452.513184][ C2] vfs_write+0xc0c/0x1210 [ 2452.513191][ C2] ? ksys_write+0x137/0x1d0 [ 2452.513193][ C2] ? __lock_release+0x5d/0x170 [ 2452.513197][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2452.513201][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2452.513209][ C2] ksys_write+0x183/0x1d0 [ 2452.513214][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2452.513219][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2452.513227][ C2] do_syscall_64+0xc1/0x380 [ 2452.513232][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2452.513237][ C2] RIP: 0033:0x7f492fa5f337 [ 2452.513243][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2452.513245][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2452.513249][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2452.513251][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2452.513253][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2452.513255][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2452.513256][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2452.513262][ C2] [ 2480.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 224s! [mptcp_connect:16967] [ 2480.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2480.512939][ C2] irq event stamp: 66996 [ 2480.512940][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2480.512954][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2480.512958][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2480.512966][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2480.512975][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2480.512981][ C2] Tainted: [L]=SOFTLOCKUP [ 2480.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2480.512991][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2480.512996][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2480.512999][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2480.513002][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2480.513005][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2480.513007][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2480.513009][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2480.513011][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2480.513013][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2480.513016][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2480.513019][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2480.513021][ C2] PKRU: 55555554 [ 2480.513023][ C2] Call Trace: [ 2480.513028][ C2] [ 2480.513033][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2480.513041][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2480.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2480.513051][ C2] ? lock_acquire+0x10c/0x170 [ 2480.513056][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2480.513061][ C2] mptcp_try_fallback+0x14b/0x360 [ 2480.513065][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2480.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2480.513075][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2480.513077][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2480.513085][ C2] __mptcp_retrans+0x42a/0x960 [ 2480.513092][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2480.513097][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2480.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2480.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2480.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2480.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2480.513124][ C2] ? lock_acquire+0x10c/0x170 [ 2480.513127][ C2] ? release_sock+0x1f/0x1d0 [ 2480.513134][ C2] release_sock+0x17f/0x1d0 [ 2480.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2480.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2480.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2480.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2480.513161][ C2] ? find_held_lock+0x2b/0x80 [ 2480.513165][ C2] sock_write_iter+0x3c1/0x520 [ 2480.513172][ C2] ? __up_write+0x1ad/0x530 [ 2480.513178][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2480.513185][ C2] ? ksys_write+0xf7/0x1d0 [ 2480.513193][ C2] vfs_write+0xc0c/0x1210 [ 2480.513197][ C2] ? ksys_write+0x137/0x1d0 [ 2480.513200][ C2] ? __lock_release+0x5d/0x170 [ 2480.513204][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2480.513208][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2480.513215][ C2] ksys_write+0x183/0x1d0 [ 2480.513219][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2480.513222][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2480.513229][ C2] do_syscall_64+0xc1/0x380 [ 2480.513234][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2480.513239][ C2] RIP: 0033:0x7f492fa5f337 [ 2480.513246][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2480.513249][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2480.513252][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2480.513254][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2480.513256][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2480.513258][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2480.513260][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2480.513266][ C2] [ 2502.679477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2502.679882][ C2] rcu: 2-....: (259802 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=56074 [ 2502.680389][ C2] rcu: (t=260016 jiffies g=1296501 q=5510 ncpus=4) [ 2502.680630][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2502.680637][ C2] Tainted: [L]=SOFTLOCKUP [ 2502.680639][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2502.680641][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2502.680655][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2502.680667][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2502.680671][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2502.680674][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2502.680676][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2502.680677][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2502.680679][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2502.680682][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2502.680684][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2502.680688][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2502.680690][ C2] PKRU: 55555554 [ 2502.680691][ C2] Call Trace: [ 2502.680693][ C2] [ 2502.680695][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2502.680703][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2502.680709][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2502.680712][ C2] ? lock_acquire+0x10c/0x170 [ 2502.680717][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2502.680725][ C2] mptcp_try_fallback+0x14b/0x360 [ 2502.680729][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2502.680735][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2502.680738][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2502.680740][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2502.680745][ C2] __mptcp_retrans+0x42a/0x960 [ 2502.680751][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2502.680756][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2502.680765][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2502.680773][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2502.680776][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2502.680779][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2502.680782][ C2] ? lock_acquire+0x10c/0x170 [ 2502.680785][ C2] ? release_sock+0x1f/0x1d0 [ 2502.680792][ C2] release_sock+0x17f/0x1d0 [ 2502.680795][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2502.680802][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2502.680806][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2502.680810][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2502.680817][ C2] ? find_held_lock+0x2b/0x80 [ 2502.680821][ C2] sock_write_iter+0x3c1/0x520 [ 2502.680827][ C2] ? __up_write+0x1ad/0x530 [ 2502.680832][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2502.680839][ C2] ? ksys_write+0xf7/0x1d0 [ 2502.680847][ C2] vfs_write+0xc0c/0x1210 [ 2502.680850][ C2] ? ksys_write+0x137/0x1d0 [ 2502.680853][ C2] ? __lock_release+0x5d/0x170 [ 2502.680856][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2502.680860][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2502.680867][ C2] ksys_write+0x183/0x1d0 [ 2502.680873][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2502.680875][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2502.680883][ C2] do_syscall_64+0xc1/0x380 [ 2502.680887][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2502.680892][ C2] RIP: 0033:0x7f492fa5f337 [ 2502.680898][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2502.680900][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2502.680903][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2502.680905][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2502.680907][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2502.680909][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2502.680911][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2502.680916][ C2] [ 2504.112686][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 231417 jiffies s: 68497 root: 0x4/. [ 2504.113178][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2504.113376][ T17] Sending NMI from CPU 1 to CPUs 2: [ 2504.113741][ C2] NMI backtrace for cpu 2 [ 2504.113752][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2504.113758][ C2] Tainted: [L]=SOFTLOCKUP [ 2504.113760][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2504.113762][ C2] RIP: 0010:kasan_check_range+0x4/0x1c0 [ 2504.113774][ C2] Code: 00 00 e9 bf c5 18 02 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <48> 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 [ 2504.113785][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 2504.113789][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2504.113791][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2504.113796][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2504.113798][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2504.113800][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2504.113802][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2504.113805][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2504.113808][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2504.113810][ C2] PKRU: 55555554 [ 2504.113811][ C2] Call Trace: [ 2504.113814][ C2] [ 2504.113816][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2504.113828][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2504.113835][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2504.113840][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2504.113843][ C2] ? lock_acquire+0x10c/0x170 [ 2504.113847][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2504.113855][ C2] mptcp_try_fallback+0x14b/0x360 [ 2504.113859][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2504.113865][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2504.113868][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2504.113871][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2504.113876][ C2] __mptcp_retrans+0x42a/0x960 [ 2504.113884][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2504.113889][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2504.113898][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2504.113905][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2504.113908][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2504.113911][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2504.113914][ C2] ? lock_acquire+0x10c/0x170 [ 2504.113917][ C2] ? release_sock+0x1f/0x1d0 [ 2504.113924][ C2] release_sock+0x17f/0x1d0 [ 2504.113927][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2504.113934][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2504.113938][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2504.113941][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2504.113948][ C2] ? find_held_lock+0x2b/0x80 [ 2504.113953][ C2] sock_write_iter+0x3c1/0x520 [ 2504.113958][ C2] ? __up_write+0x1ad/0x530 [ 2504.113964][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2504.113971][ C2] ? ksys_write+0xf7/0x1d0 [ 2504.113977][ C2] vfs_write+0xc0c/0x1210 [ 2504.113981][ C2] ? ksys_write+0x137/0x1d0 [ 2504.113983][ C2] ? __lock_release+0x5d/0x170 [ 2504.113987][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2504.113990][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2504.113997][ C2] ksys_write+0x183/0x1d0 [ 2504.114001][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2504.114003][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2504.114011][ C2] do_syscall_64+0xc1/0x380 [ 2504.114015][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2504.114020][ C2] RIP: 0033:0x7f492fa5f337 [ 2504.114026][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2504.114029][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2504.114031][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2504.114033][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2504.114035][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2504.114037][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2504.114038][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2504.114044][ C2] [ 2528.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 268s! [mptcp_connect:16967] [ 2528.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2528.512935][ C2] irq event stamp: 66996 [ 2528.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2528.512950][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2528.512955][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2528.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2528.512973][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2528.512984][ C2] Tainted: [L]=SOFTLOCKUP [ 2528.512986][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2528.512991][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 2528.512996][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 2528.512999][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2528.513003][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2528.513005][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2528.513006][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2528.513009][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2528.513010][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2528.513012][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2528.513015][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2528.513018][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2528.513020][ C2] PKRU: 55555554 [ 2528.513022][ C2] Call Trace: [ 2528.513026][ C2] [ 2528.513032][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2528.513040][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2528.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2528.513049][ C2] ? lock_acquire+0x10c/0x170 [ 2528.513054][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2528.513059][ C2] mptcp_try_fallback+0x14b/0x360 [ 2528.513063][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2528.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2528.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2528.513075][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2528.513080][ C2] __mptcp_retrans+0x42a/0x960 [ 2528.513086][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2528.513091][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2528.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2528.513107][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2528.513110][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2528.513113][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2528.513115][ C2] ? lock_acquire+0x10c/0x170 [ 2528.513118][ C2] ? release_sock+0x1f/0x1d0 [ 2528.513125][ C2] release_sock+0x17f/0x1d0 [ 2528.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2528.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2528.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2528.513144][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2528.513151][ C2] ? find_held_lock+0x2b/0x80 [ 2528.513156][ C2] sock_write_iter+0x3c1/0x520 [ 2528.513162][ C2] ? __up_write+0x1ad/0x530 [ 2528.513168][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2528.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 2528.513183][ C2] vfs_write+0xc0c/0x1210 [ 2528.513186][ C2] ? ksys_write+0x137/0x1d0 [ 2528.513189][ C2] ? __lock_release+0x5d/0x170 [ 2528.513195][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2528.513198][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2528.513206][ C2] ksys_write+0x183/0x1d0 [ 2528.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2528.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2528.513220][ C2] do_syscall_64+0xc1/0x380 [ 2528.513225][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2528.513230][ C2] RIP: 0033:0x7f492fa5f337 [ 2528.513236][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2528.513239][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2528.513242][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2528.513244][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2528.513246][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2528.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2528.513250][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2528.513255][ C2] [ 2556.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 294s! [mptcp_connect:16967] [ 2556.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2556.512937][ C2] irq event stamp: 66996 [ 2556.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2556.512963][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2556.512967][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2556.512975][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2556.512985][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2556.512991][ C2] Tainted: [L]=SOFTLOCKUP [ 2556.512992][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2556.512994][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2556.513000][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2556.513003][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2556.513007][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2556.513009][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2556.513011][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2556.513013][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2556.513015][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2556.513017][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2556.513020][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2556.513024][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2556.513026][ C2] PKRU: 55555554 [ 2556.513027][ C2] Call Trace: [ 2556.513031][ C2] [ 2556.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2556.513043][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2556.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2556.513053][ C2] ? lock_acquire+0x10c/0x170 [ 2556.513058][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2556.513063][ C2] mptcp_try_fallback+0x14b/0x360 [ 2556.513067][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2556.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2556.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2556.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2556.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 2556.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2556.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2556.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2556.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2556.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2556.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2556.513125][ C2] ? lock_acquire+0x10c/0x170 [ 2556.513128][ C2] ? release_sock+0x1f/0x1d0 [ 2556.513136][ C2] release_sock+0x17f/0x1d0 [ 2556.513140][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2556.513148][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2556.513151][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2556.513155][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2556.513162][ C2] ? find_held_lock+0x2b/0x80 [ 2556.513167][ C2] sock_write_iter+0x3c1/0x520 [ 2556.513173][ C2] ? __up_write+0x1ad/0x530 [ 2556.513178][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2556.513185][ C2] ? ksys_write+0xf7/0x1d0 [ 2556.513193][ C2] vfs_write+0xc0c/0x1210 [ 2556.513197][ C2] ? ksys_write+0x137/0x1d0 [ 2556.513200][ C2] ? __lock_release+0x5d/0x170 [ 2556.513204][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2556.513208][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2556.513215][ C2] ksys_write+0x183/0x1d0 [ 2556.513219][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2556.513221][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2556.513229][ C2] do_syscall_64+0xc1/0x380 [ 2556.513234][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2556.513239][ C2] RIP: 0033:0x7f492fa5f337 [ 2556.513245][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2556.513247][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2556.513250][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2556.513252][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2556.513254][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2556.513256][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2556.513258][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2556.513264][ C2] [ 2580.684477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2580.685019][ C2] rcu: 2-....: (337743 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=72564 [ 2580.685403][ C2] rcu: (t=338021 jiffies g=1296501 q=6918 ncpus=4) [ 2580.685644][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2580.685651][ C2] Tainted: [L]=SOFTLOCKUP [ 2580.685653][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2580.685656][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2580.685669][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2580.685673][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2580.685676][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2580.685679][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2580.685681][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2580.685682][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2580.685684][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2580.685687][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2580.685689][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2580.685693][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2580.685695][ C2] PKRU: 55555554 [ 2580.685696][ C2] Call Trace: [ 2580.685698][ C2] [ 2580.685700][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2580.685708][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2580.685714][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2580.685716][ C2] ? lock_acquire+0x10c/0x170 [ 2580.685721][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2580.685730][ C2] mptcp_try_fallback+0x14b/0x360 [ 2580.685733][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2580.685739][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2580.685742][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2580.685745][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2580.685750][ C2] __mptcp_retrans+0x42a/0x960 [ 2580.685755][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2580.685760][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2580.685769][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2580.685777][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2580.685780][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2580.685783][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2580.685786][ C2] ? lock_acquire+0x10c/0x170 [ 2580.685789][ C2] ? release_sock+0x1f/0x1d0 [ 2580.685797][ C2] release_sock+0x17f/0x1d0 [ 2580.685800][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2580.685807][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2580.685811][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2580.685815][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2580.685822][ C2] ? find_held_lock+0x2b/0x80 [ 2580.685826][ C2] sock_write_iter+0x3c1/0x520 [ 2580.685832][ C2] ? __up_write+0x1ad/0x530 [ 2580.685837][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2580.685844][ C2] ? ksys_write+0xf7/0x1d0 [ 2580.685852][ C2] vfs_write+0xc0c/0x1210 [ 2580.685855][ C2] ? ksys_write+0x137/0x1d0 [ 2580.685857][ C2] ? __lock_release+0x5d/0x170 [ 2580.685861][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2580.685865][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2580.685873][ C2] ksys_write+0x183/0x1d0 [ 2580.685876][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2580.685879][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2580.685887][ C2] do_syscall_64+0xc1/0x380 [ 2580.685891][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2580.685895][ C2] RIP: 0033:0x7f492fa5f337 [ 2580.685900][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2580.685903][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2580.685906][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2580.685908][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2580.685909][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2580.685911][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2580.685913][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2580.685919][ C2] [ 2602.416509][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 329721 jiffies s: 68497 root: 0x4/. [ 2602.417057][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2602.417280][ T17] Sending NMI from CPU 1 to CPUs 2: [ 2602.417511][ C2] NMI backtrace for cpu 2 [ 2602.417532][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2602.417541][ C2] Tainted: [L]=SOFTLOCKUP [ 2602.417542][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2602.417545][ C2] RIP: 0010:unwind_next_frame+0x285/0x1e10 [ 2602.417560][ C2] Code: 00 fc ff df 4d 8d 7e 05 4c 89 fa 48 c1 ea 03 0f b6 04 02 4c 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 a8 06 00 00 41 0f b6 46 05 <83> e0 07 0f 84 f1 01 00 00 3c 01 0f 84 11 02 00 00 49 8d 76 04 4c [ 2602.417563][ C2] RSP: 0018:ffffc90000218718 EFLAGS: 00000046 [ 2602.417567][ C2] RAX: 0000000000000002 RBX: 1ffff920000430ec RCX: dffffc0000000000 [ 2602.417569][ C2] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffffffa8d9bce8 [ 2602.417571][ C2] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc90000218859 [ 2602.417573][ C2] R10: ffffffffa441c997 R11: ffffc90000218858 R12: ffffc90000218870 [ 2602.417575][ C2] R13: ffffc90000218818 R14: ffffffffa9243b46 R15: ffffffffa9243b4b [ 2602.417577][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2602.417579][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2602.417583][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2602.417585][ C2] PKRU: 55555554 [ 2602.417586][ C2] Call Trace: [ 2602.417588][ C2] [ 2602.417594][ C2] ? queued_spin_lock_slowpath+0x243/0x9c0 [ 2602.417603][ C2] ? queued_spin_lock_slowpath+0x243/0x9c0 [ 2602.417607][ C2] ? mptcp_sendmsg_frag+0x138e/0x2d50 [ 2602.417614][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 2602.417619][ C2] ? queued_spin_lock_slowpath+0x243/0x9c0 [ 2602.417623][ C2] ? kernel_text_address+0x17/0xe0 [ 2602.417633][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 2602.417645][ C2] arch_stack_walk+0x8b/0xf0 [ 2602.417654][ C2] ? queued_spin_lock_slowpath+0x243/0x9c0 [ 2602.417659][ C2] stack_trace_save+0x93/0xd0 [ 2602.417662][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 2602.417666][ C2] ? prb_read_valid+0x69/0x90 [ 2602.417673][ C2] ? __pfx_prb_read_valid+0x10/0x10 [ 2602.417676][ C2] kasan_save_stack+0x24/0x50 [ 2602.417685][ C2] ? kasan_save_stack+0x24/0x50 [ 2602.417688][ C2] ? kasan_save_track+0x14/0x30 [ 2602.417691][ C2] ? __kasan_slab_alloc+0x59/0x70 [ 2602.417695][ C2] ? kmem_cache_alloc_noprof+0x10b/0x330 [ 2602.417706][ C2] ? kmem_alloc_batch+0x49/0x180 [ 2602.417720][ C2] ? fill_pool+0x19b/0x360 [ 2602.417722][ C2] ? debug_objects_fill_pool+0x163/0x180 [ 2602.417725][ C2] ? debug_object_activate+0x117/0x490 [ 2602.417728][ C2] ? enqueue_hrtimer+0x22/0x170 [ 2602.417742][ C2] ? __run_hrtimer+0x2dc/0x370 [ 2602.417744][ C2] ? __hrtimer_run_queues+0x194/0x260 [ 2602.417747][ C2] ? hrtimer_interrupt+0x339/0x850 [ 2602.417750][ C2] ? __sysvec_apic_timer_interrupt+0xcd/0x150 [ 2602.417759][ C2] ? sysvec_apic_timer_interrupt+0xa3/0xc0 [ 2602.417764][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2602.417769][ C2] ? queued_spin_lock_slowpath+0x243/0x9c0 [ 2602.417774][ C2] ? get_partial_node.part.0+0x1c2/0x3b0 [ 2602.417777][ C2] ? rcu_is_watching+0x12/0xc0 [ 2602.417786][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 2602.417791][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 2602.417795][ C2] ? get_partial_node.part.0+0x1c2/0x3b0 [ 2602.417800][ C2] ? ___slab_alloc+0x4b2/0x1170 [ 2602.417804][ C2] ? kmem_alloc_batch+0x49/0x180 [ 2602.417808][ C2] ? kmem_alloc_batch+0x49/0x180 [ 2602.417811][ C2] kasan_save_track+0x14/0x30 [ 2602.417815][ C2] __kasan_slab_alloc+0x59/0x70 [ 2602.417818][ C2] kmem_cache_alloc_noprof+0x10b/0x330 [ 2602.417821][ C2] ? __hrtimer_start_range_ns+0x297/0x680 [ 2602.417825][ C2] ? debug_objects_fill_pool+0x13f/0x180 [ 2602.417828][ C2] kmem_alloc_batch+0x49/0x180 [ 2602.417831][ C2] ? debug_objects_fill_pool+0x13f/0x180 [ 2602.417835][ C2] fill_pool+0x19b/0x360 [ 2602.417838][ C2] ? __pfx_fill_pool+0x10/0x10 [ 2602.417841][ C2] ? rcu_is_watching+0x12/0xc0 [ 2602.417844][ C2] ? lock_acquire+0x10c/0x170 [ 2602.417849][ C2] ? debug_objects_fill_pool+0x13f/0x180 [ 2602.417852][ C2] ? debug_objects_fill_pool+0x13f/0x180 [ 2602.417857][ C2] debug_objects_fill_pool+0x163/0x180 [ 2602.417860][ C2] ? debug_objects_fill_pool+0x13f/0x180 [ 2602.417863][ C2] debug_object_activate+0x117/0x490 [ 2602.417866][ C2] ? rcu_is_watching+0x12/0xc0 [ 2602.417870][ C2] ? __pfx_debug_object_activate+0x10/0x10 [ 2602.417873][ C2] ? __pfx_run_posix_cpu_timers+0x10/0x10 [ 2602.417880][ C2] ? nohz_balance_exit_idle+0x1c/0x410 [ 2602.417889][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2602.417892][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2602.417895][ C2] ? lock_acquire+0x10c/0x170 [ 2602.417899][ C2] enqueue_hrtimer+0x22/0x170 [ 2602.417903][ C2] __run_hrtimer+0x2dc/0x370 [ 2602.417906][ C2] ? __pfx_tick_nohz_handler+0x10/0x10 [ 2602.417913][ C2] __hrtimer_run_queues+0x194/0x260 [ 2602.417916][ C2] ? lock_release+0x13/0xc0 [ 2602.417919][ C2] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 2602.417921][ C2] ? kvm_clock_get_cycles+0x18/0x30 [ 2602.417927][ C2] hrtimer_interrupt+0x339/0x850 [ 2602.417933][ C2] __sysvec_apic_timer_interrupt+0xcd/0x150 [ 2602.417936][ C2] sysvec_apic_timer_interrupt+0xa3/0xc0 [ 2602.417940][ C2] [ 2602.417941][ C2] [ 2602.417943][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2602.417945][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2602.417949][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2602.417951][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2602.417953][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2602.417955][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2602.417957][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2602.417958][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2602.417960][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2602.417963][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 2602.417969][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2602.417976][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2602.417979][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2602.417982][ C2] ? lock_acquire+0x10c/0x170 [ 2602.417984][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2602.417989][ C2] mptcp_try_fallback+0x14b/0x360 [ 2602.417993][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2602.417999][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2602.418001][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2602.418004][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2602.418009][ C2] __mptcp_retrans+0x42a/0x960 [ 2602.418015][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2602.418019][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2602.418030][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2602.418038][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2602.418040][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2602.418043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2602.418045][ C2] ? lock_acquire+0x10c/0x170 [ 2602.418048][ C2] ? release_sock+0x1f/0x1d0 [ 2602.418055][ C2] release_sock+0x17f/0x1d0 [ 2602.418060][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2602.418069][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2602.418073][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2602.418077][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2602.418083][ C2] ? find_held_lock+0x2b/0x80 [ 2602.418087][ C2] sock_write_iter+0x3c1/0x520 [ 2602.418094][ C2] ? __up_write+0x1ad/0x530 [ 2602.418099][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2602.418106][ C2] ? ksys_write+0xf7/0x1d0 [ 2602.418112][ C2] vfs_write+0xc0c/0x1210 [ 2602.418118][ C2] ? ksys_write+0x137/0x1d0 [ 2602.418120][ C2] ? __lock_release+0x5d/0x170 [ 2602.418124][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2602.418127][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2602.418134][ C2] ksys_write+0x183/0x1d0 [ 2602.418138][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2602.418141][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2602.418148][ C2] do_syscall_64+0xc1/0x380 [ 2602.418152][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2602.418156][ C2] RIP: 0033:0x7f492fa5f337 [ 2602.418164][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2602.418166][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2602.418169][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2602.418171][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2602.418173][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2602.418175][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2602.418177][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2602.418182][ C2] [ 2628.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 361s! [mptcp_connect:16967] [ 2628.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2628.512946][ C2] irq event stamp: 66996 [ 2628.512948][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2628.512964][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2628.512968][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2628.512975][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2628.512986][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2628.512992][ C2] Tainted: [L]=SOFTLOCKUP [ 2628.512993][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2628.512996][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 2628.513005][ C2] Code: 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f [ 2628.513008][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 2628.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2628.513014][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2628.513016][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2628.513018][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2628.513020][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2628.513022][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2628.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2628.513028][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2628.513030][ C2] PKRU: 55555554 [ 2628.513032][ C2] Call Trace: [ 2628.513036][ C2] [ 2628.513038][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2628.513047][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2628.513055][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2628.513060][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2628.513063][ C2] ? lock_acquire+0x10c/0x170 [ 2628.513068][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2628.513073][ C2] mptcp_try_fallback+0x14b/0x360 [ 2628.513078][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2628.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2628.513087][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2628.513090][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2628.513095][ C2] __mptcp_retrans+0x42a/0x960 [ 2628.513101][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2628.513106][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2628.513115][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2628.513122][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2628.513125][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2628.513128][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2628.513131][ C2] ? lock_acquire+0x10c/0x170 [ 2628.513134][ C2] ? release_sock+0x1f/0x1d0 [ 2628.513141][ C2] release_sock+0x17f/0x1d0 [ 2628.513146][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2628.513153][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2628.513157][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2628.513161][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2628.513169][ C2] ? find_held_lock+0x2b/0x80 [ 2628.513174][ C2] sock_write_iter+0x3c1/0x520 [ 2628.513180][ C2] ? __up_write+0x1ad/0x530 [ 2628.513186][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2628.513193][ C2] ? ksys_write+0xf7/0x1d0 [ 2628.513200][ C2] vfs_write+0xc0c/0x1210 [ 2628.513204][ C2] ? ksys_write+0x137/0x1d0 [ 2628.513206][ C2] ? __lock_release+0x5d/0x170 [ 2628.513210][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2628.513214][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2628.513221][ C2] ksys_write+0x183/0x1d0 [ 2628.513225][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2628.513228][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2628.513236][ C2] do_syscall_64+0xc1/0x380 [ 2628.513241][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2628.513246][ C2] RIP: 0033:0x7f492fa5f337 [ 2628.513252][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2628.513255][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2628.513258][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2628.513260][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2628.513262][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2628.513264][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2628.513266][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2628.513272][ C2] [ 2656.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 388s! [mptcp_connect:16967] [ 2656.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2656.512937][ C2] irq event stamp: 66996 [ 2656.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2656.512951][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2656.512955][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2656.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2656.512972][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2656.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 2656.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2656.512983][ C2] RIP: 0010:kasan_check_range+0x4f/0x1c0 [ 2656.512992][ C2] Code: ff ff ff ff ff ff fe 48 39 c7 77 23 44 89 c2 e8 b7 e7 ff ff 83 f0 01 5b 5d 41 5c e9 0b fb 1a 02 48 b8 ff ff ff ff ff 7f ff ff <48> 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff [ 2656.512995][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 2656.512999][ C2] RAX: ffff7fffffffffff RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2656.513001][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2656.513003][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2656.513005][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2656.513011][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2656.513013][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2656.513016][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2656.513020][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2656.513022][ C2] PKRU: 55555554 [ 2656.513024][ C2] Call Trace: [ 2656.513029][ C2] [ 2656.513033][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2656.513039][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2656.513047][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2656.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2656.513055][ C2] ? lock_acquire+0x10c/0x170 [ 2656.513061][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2656.513066][ C2] mptcp_try_fallback+0x14b/0x360 [ 2656.513070][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2656.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2656.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2656.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2656.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 2656.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2656.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2656.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2656.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2656.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2656.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2656.513124][ C2] ? lock_acquire+0x10c/0x170 [ 2656.513127][ C2] ? release_sock+0x1f/0x1d0 [ 2656.513134][ C2] release_sock+0x17f/0x1d0 [ 2656.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2656.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2656.513149][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2656.513153][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2656.513161][ C2] ? find_held_lock+0x2b/0x80 [ 2656.513165][ C2] sock_write_iter+0x3c1/0x520 [ 2656.513171][ C2] ? __up_write+0x1ad/0x530 [ 2656.513177][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2656.513184][ C2] ? ksys_write+0xf7/0x1d0 [ 2656.513191][ C2] vfs_write+0xc0c/0x1210 [ 2656.513194][ C2] ? ksys_write+0x137/0x1d0 [ 2656.513197][ C2] ? __lock_release+0x5d/0x170 [ 2656.513201][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2656.513205][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2656.513212][ C2] ksys_write+0x183/0x1d0 [ 2656.513215][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2656.513218][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2656.513226][ C2] do_syscall_64+0xc1/0x380 [ 2656.513230][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2656.513235][ C2] RIP: 0033:0x7f492fa5f337 [ 2656.513241][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2656.513244][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2656.513247][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2656.513249][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2656.513251][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2656.513253][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2656.513255][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2656.513261][ C2] [ 2658.689475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2658.689846][ C2] rcu: 2-....: (415663 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=88862 [ 2658.690214][ C2] rcu: (t=416026 jiffies g=1296501 q=8667 ncpus=4) [ 2658.690589][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2658.690595][ C2] Tainted: [L]=SOFTLOCKUP [ 2658.690597][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2658.690599][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2658.690611][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2658.690614][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2658.690618][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2658.690620][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2658.690622][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2658.690624][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2658.690626][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2658.690628][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2658.690631][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2658.690634][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2658.690636][ C2] PKRU: 55555554 [ 2658.690638][ C2] Call Trace: [ 2658.690640][ C2] [ 2658.690642][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2658.690650][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2658.690655][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2658.690658][ C2] ? lock_acquire+0x10c/0x170 [ 2658.690663][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2658.690671][ C2] mptcp_try_fallback+0x14b/0x360 [ 2658.690674][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2658.690680][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2658.690683][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2658.690686][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2658.690691][ C2] __mptcp_retrans+0x42a/0x960 [ 2658.690697][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2658.690702][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2658.690711][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2658.690718][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2658.690721][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2658.690724][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2658.690726][ C2] ? lock_acquire+0x10c/0x170 [ 2658.690729][ C2] ? release_sock+0x1f/0x1d0 [ 2658.690736][ C2] release_sock+0x17f/0x1d0 [ 2658.690740][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2658.690747][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2658.690750][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2658.690754][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2658.690760][ C2] ? find_held_lock+0x2b/0x80 [ 2658.690765][ C2] sock_write_iter+0x3c1/0x520 [ 2658.690770][ C2] ? __up_write+0x1ad/0x530 [ 2658.690776][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2658.690782][ C2] ? ksys_write+0xf7/0x1d0 [ 2658.690789][ C2] vfs_write+0xc0c/0x1210 [ 2658.690793][ C2] ? ksys_write+0x137/0x1d0 [ 2658.690795][ C2] ? __lock_release+0x5d/0x170 [ 2658.690799][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2658.690802][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2658.690809][ C2] ksys_write+0x183/0x1d0 [ 2658.690812][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2658.690815][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2658.690823][ C2] do_syscall_64+0xc1/0x380 [ 2658.690827][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2658.690831][ C2] RIP: 0033:0x7f492fa5f337 [ 2658.690836][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2658.690839][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2658.690842][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2658.690844][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2658.690846][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2658.690848][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2658.690850][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2658.690856][ C2] [ 2684.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 414s! [mptcp_connect:16967] [ 2684.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2684.512933][ C2] irq event stamp: 66996 [ 2684.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2684.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2684.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2684.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2684.512969][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2684.512974][ C2] Tainted: [L]=SOFTLOCKUP [ 2684.512976][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2684.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2684.512984][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2684.512987][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2684.512990][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2684.512993][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2684.512995][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2684.512996][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2684.512999][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2684.513001][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2684.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2684.513008][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2684.513010][ C2] PKRU: 55555554 [ 2684.513011][ C2] Call Trace: [ 2684.513014][ C2] [ 2684.513019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2684.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2684.513033][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2684.513035][ C2] ? lock_acquire+0x10c/0x170 [ 2684.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2684.513045][ C2] mptcp_try_fallback+0x14b/0x360 [ 2684.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2684.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2684.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2684.513061][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2684.513066][ C2] __mptcp_retrans+0x42a/0x960 [ 2684.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2684.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2684.513086][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2684.513095][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2684.513097][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2684.513101][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2684.513103][ C2] ? lock_acquire+0x10c/0x170 [ 2684.513106][ C2] ? release_sock+0x1f/0x1d0 [ 2684.513114][ C2] release_sock+0x17f/0x1d0 [ 2684.513117][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2684.513125][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2684.513128][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2684.513142][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2684.513149][ C2] ? find_held_lock+0x2b/0x80 [ 2684.513153][ C2] sock_write_iter+0x3c1/0x520 [ 2684.513159][ C2] ? __up_write+0x1ad/0x530 [ 2684.513164][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2684.513171][ C2] ? ksys_write+0xf7/0x1d0 [ 2684.513179][ C2] vfs_write+0xc0c/0x1210 [ 2684.513183][ C2] ? ksys_write+0x137/0x1d0 [ 2684.513186][ C2] ? __lock_release+0x5d/0x170 [ 2684.513190][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2684.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2684.513201][ C2] ksys_write+0x183/0x1d0 [ 2684.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2684.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2684.513215][ C2] do_syscall_64+0xc1/0x380 [ 2684.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2684.513224][ C2] RIP: 0033:0x7f492fa5f337 [ 2684.513230][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2684.513232][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2684.513235][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2684.513237][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2684.513239][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2684.513241][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2684.513242][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2684.513248][ C2] [ 2700.720492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 428025 jiffies s: 68497 root: 0x4/. [ 2700.720962][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2700.721239][ T17] Sending NMI from CPU 1 to CPUs 2: [ 2700.721410][ C2] NMI backtrace for cpu 2 [ 2700.721423][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2700.721430][ C2] Tainted: [L]=SOFTLOCKUP [ 2700.721431][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2700.721433][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2700.721447][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2700.721450][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2700.721454][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2700.721456][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2700.721458][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2700.721460][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2700.721462][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2700.721464][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2700.721467][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2700.721472][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2700.721474][ C2] PKRU: 55555554 [ 2700.721476][ C2] Call Trace: [ 2700.721479][ C2] [ 2700.721484][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2700.721491][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2700.721497][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2700.721500][ C2] ? lock_acquire+0x10c/0x170 [ 2700.721504][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2700.721512][ C2] mptcp_try_fallback+0x14b/0x360 [ 2700.721516][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2700.721522][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2700.721525][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2700.721528][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2700.721533][ C2] __mptcp_retrans+0x42a/0x960 [ 2700.721538][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2700.721544][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2700.721553][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2700.721561][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2700.721564][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2700.721566][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2700.721569][ C2] ? lock_acquire+0x10c/0x170 [ 2700.721572][ C2] ? release_sock+0x1f/0x1d0 [ 2700.721579][ C2] release_sock+0x17f/0x1d0 [ 2700.721583][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2700.721590][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2700.721594][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2700.721598][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2700.721604][ C2] ? find_held_lock+0x2b/0x80 [ 2700.721609][ C2] sock_write_iter+0x3c1/0x520 [ 2700.721615][ C2] ? __up_write+0x1ad/0x530 [ 2700.721621][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2700.721627][ C2] ? ksys_write+0xf7/0x1d0 [ 2700.721635][ C2] vfs_write+0xc0c/0x1210 [ 2700.721639][ C2] ? ksys_write+0x137/0x1d0 [ 2700.721642][ C2] ? __lock_release+0x5d/0x170 [ 2700.721645][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2700.721649][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2700.721656][ C2] ksys_write+0x183/0x1d0 [ 2700.721660][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2700.721662][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2700.721670][ C2] do_syscall_64+0xc1/0x380 [ 2700.721674][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2700.721680][ C2] RIP: 0033:0x7f492fa5f337 [ 2700.721686][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2700.721689][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2700.721692][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2700.721694][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2700.721696][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2700.721698][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2700.721700][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2700.721705][ C2] [ 2728.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 455s! [mptcp_connect:16967] [ 2728.512925][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2728.512942][ C2] irq event stamp: 66996 [ 2728.512943][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2728.512957][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2728.512961][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2728.512969][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2728.512979][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2728.512985][ C2] Tainted: [L]=SOFTLOCKUP [ 2728.512986][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2728.512989][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2728.512995][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2728.512998][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2728.513001][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2728.513003][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2728.513005][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2728.513007][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2728.513009][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2728.513011][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2728.513014][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2728.513019][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2728.513021][ C2] PKRU: 55555554 [ 2728.513022][ C2] Call Trace: [ 2728.513025][ C2] [ 2728.513030][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2728.513038][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2728.513044][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2728.513046][ C2] ? lock_acquire+0x10c/0x170 [ 2728.513051][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2728.513056][ C2] mptcp_try_fallback+0x14b/0x360 [ 2728.513060][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2728.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2728.513070][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2728.513073][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2728.513077][ C2] __mptcp_retrans+0x42a/0x960 [ 2728.513083][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2728.513090][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2728.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2728.513107][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2728.513110][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2728.513113][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2728.513115][ C2] ? lock_acquire+0x10c/0x170 [ 2728.513119][ C2] ? release_sock+0x1f/0x1d0 [ 2728.513126][ C2] release_sock+0x17f/0x1d0 [ 2728.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2728.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2728.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2728.513144][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2728.513152][ C2] ? find_held_lock+0x2b/0x80 [ 2728.513156][ C2] sock_write_iter+0x3c1/0x520 [ 2728.513162][ C2] ? __up_write+0x1ad/0x530 [ 2728.513168][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2728.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 2728.513182][ C2] vfs_write+0xc0c/0x1210 [ 2728.513187][ C2] ? ksys_write+0x137/0x1d0 [ 2728.513189][ C2] ? __lock_release+0x5d/0x170 [ 2728.513193][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2728.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2728.513204][ C2] ksys_write+0x183/0x1d0 [ 2728.513208][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2728.513211][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2728.513218][ C2] do_syscall_64+0xc1/0x380 [ 2728.513223][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2728.513227][ C2] RIP: 0033:0x7f492fa5f337 [ 2728.513234][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2728.513236][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2728.513239][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2728.513241][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2728.513243][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2728.513245][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2728.513247][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2728.513253][ C2] [ 2736.694476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2736.694866][ C2] rcu: 2-....: (493605 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=105289 [ 2736.695369][ C2] rcu: (t=494031 jiffies g=1296501 q=10054 ncpus=4) [ 2736.695608][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2736.695614][ C2] Tainted: [L]=SOFTLOCKUP [ 2736.695625][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2736.695627][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 2736.695639][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 <53> 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 [ 2736.695642][ C2] RSP: 0018:ffffc9000028f5b8 EFLAGS: 00000282 [ 2736.695646][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2736.695650][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2736.695652][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2736.695654][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2736.695656][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2736.695658][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2736.695661][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2736.695665][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2736.695667][ C2] PKRU: 55555554 [ 2736.695669][ C2] Call Trace: [ 2736.695670][ C2] [ 2736.695672][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2736.695682][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2736.695689][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2736.695694][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2736.695697][ C2] ? lock_acquire+0x10c/0x170 [ 2736.695701][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2736.695709][ C2] mptcp_try_fallback+0x14b/0x360 [ 2736.695713][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2736.695719][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2736.695721][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2736.695724][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2736.695729][ C2] __mptcp_retrans+0x42a/0x960 [ 2736.695735][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2736.695740][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2736.695749][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2736.695756][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2736.695759][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2736.695762][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2736.695765][ C2] ? lock_acquire+0x10c/0x170 [ 2736.695768][ C2] ? release_sock+0x1f/0x1d0 [ 2736.695774][ C2] release_sock+0x17f/0x1d0 [ 2736.695777][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2736.695785][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2736.695788][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2736.695792][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2736.695799][ C2] ? find_held_lock+0x2b/0x80 [ 2736.695803][ C2] sock_write_iter+0x3c1/0x520 [ 2736.695808][ C2] ? __up_write+0x1ad/0x530 [ 2736.695814][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2736.695820][ C2] ? ksys_write+0xf7/0x1d0 [ 2736.695826][ C2] vfs_write+0xc0c/0x1210 [ 2736.695829][ C2] ? ksys_write+0x137/0x1d0 [ 2736.695832][ C2] ? __lock_release+0x5d/0x170 [ 2736.695835][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2736.695839][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2736.695846][ C2] ksys_write+0x183/0x1d0 [ 2736.695850][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2736.695854][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2736.695862][ C2] do_syscall_64+0xc1/0x380 [ 2736.695867][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2736.695871][ C2] RIP: 0033:0x7f492fa5f337 [ 2736.695876][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2736.695878][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2736.695881][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2736.695883][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2736.695885][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2736.695887][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2736.695888][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2736.695894][ C2] [ 2764.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 488s! [mptcp_connect:16967] [ 2764.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2764.512936][ C2] irq event stamp: 66996 [ 2764.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2764.512959][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2764.512963][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2764.512971][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2764.512981][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2764.512987][ C2] Tainted: [L]=SOFTLOCKUP [ 2764.512988][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2764.512990][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2764.512996][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2764.512999][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2764.513003][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2764.513004][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2764.513006][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2764.513008][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2764.513010][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2764.513012][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2764.513015][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2764.513019][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2764.513021][ C2] PKRU: 55555554 [ 2764.513022][ C2] Call Trace: [ 2764.513026][ C2] [ 2764.513031][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2764.513039][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2764.513045][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2764.513048][ C2] ? lock_acquire+0x10c/0x170 [ 2764.513053][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2764.513058][ C2] mptcp_try_fallback+0x14b/0x360 [ 2764.513062][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2764.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2764.513071][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2764.513074][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2764.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 2764.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2764.513093][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2764.513102][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2764.513110][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2764.513113][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2764.513116][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2764.513118][ C2] ? lock_acquire+0x10c/0x170 [ 2764.513121][ C2] ? release_sock+0x1f/0x1d0 [ 2764.513128][ C2] release_sock+0x17f/0x1d0 [ 2764.513133][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2764.513140][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2764.513144][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2764.513148][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2764.513155][ C2] ? find_held_lock+0x2b/0x80 [ 2764.513159][ C2] sock_write_iter+0x3c1/0x520 [ 2764.513166][ C2] ? __up_write+0x1ad/0x530 [ 2764.513172][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2764.513178][ C2] ? ksys_write+0xf7/0x1d0 [ 2764.513186][ C2] vfs_write+0xc0c/0x1210 [ 2764.513190][ C2] ? ksys_write+0x137/0x1d0 [ 2764.513192][ C2] ? __lock_release+0x5d/0x170 [ 2764.513197][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2764.513201][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2764.513208][ C2] ksys_write+0x183/0x1d0 [ 2764.513211][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2764.513214][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2764.513222][ C2] do_syscall_64+0xc1/0x380 [ 2764.513227][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2764.513231][ C2] RIP: 0033:0x7f492fa5f337 [ 2764.513238][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2764.513240][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2764.513243][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2764.513245][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2764.513247][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2764.513249][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2764.513251][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2764.513257][ C2] [ 2792.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 514s! [mptcp_connect:16967] [ 2792.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2792.512934][ C2] irq event stamp: 66996 [ 2792.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2792.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2792.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2792.512960][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2792.512969][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2792.512975][ C2] Tainted: [L]=SOFTLOCKUP [ 2792.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2792.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2792.512985][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2792.512988][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2792.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2792.512993][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2792.512995][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2792.512997][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2792.512998][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2792.513000][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2792.513003][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2792.513006][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2792.513008][ C2] PKRU: 55555554 [ 2792.513010][ C2] Call Trace: [ 2792.513013][ C2] [ 2792.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2792.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2792.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2792.513035][ C2] ? lock_acquire+0x10c/0x170 [ 2792.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2792.513045][ C2] mptcp_try_fallback+0x14b/0x360 [ 2792.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2792.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2792.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2792.513061][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2792.513075][ C2] __mptcp_retrans+0x42a/0x960 [ 2792.513081][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2792.513086][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2792.513095][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2792.513103][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2792.513106][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2792.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2792.513112][ C2] ? lock_acquire+0x10c/0x170 [ 2792.513115][ C2] ? release_sock+0x1f/0x1d0 [ 2792.513122][ C2] release_sock+0x17f/0x1d0 [ 2792.513126][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2792.513134][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2792.513137][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2792.513142][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2792.513154][ C2] ? find_held_lock+0x2b/0x80 [ 2792.513158][ C2] sock_write_iter+0x3c1/0x520 [ 2792.513165][ C2] ? __up_write+0x1ad/0x530 [ 2792.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2792.513177][ C2] ? ksys_write+0xf7/0x1d0 [ 2792.513185][ C2] vfs_write+0xc0c/0x1210 [ 2792.513189][ C2] ? ksys_write+0x137/0x1d0 [ 2792.513192][ C2] ? __lock_release+0x5d/0x170 [ 2792.513196][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2792.513200][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2792.513207][ C2] ksys_write+0x183/0x1d0 [ 2792.513211][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2792.513213][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2792.513222][ C2] do_syscall_64+0xc1/0x380 [ 2792.513227][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2792.513231][ C2] RIP: 0033:0x7f492fa5f337 [ 2792.513237][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2792.513239][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2792.513242][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2792.513244][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2792.513246][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2792.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2792.513250][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2792.513256][ C2] [ 2799.024493][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 526329 jiffies s: 68497 root: 0x4/. [ 2799.024958][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2799.025152][ T17] Sending NMI from CPU 1 to CPUs 2: [ 2799.025408][ C2] NMI backtrace for cpu 2 [ 2799.025419][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2799.025425][ C2] Tainted: [L]=SOFTLOCKUP [ 2799.025427][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2799.025429][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2799.025441][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2799.025444][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2799.025448][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2799.025450][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2799.025452][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2799.025454][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2799.025456][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2799.025458][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2799.025460][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2799.025464][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2799.025466][ C2] PKRU: 55555554 [ 2799.025467][ C2] Call Trace: [ 2799.025470][ C2] [ 2799.025476][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2799.025484][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2799.025489][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2799.025492][ C2] ? lock_acquire+0x10c/0x170 [ 2799.025497][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2799.025504][ C2] mptcp_try_fallback+0x14b/0x360 [ 2799.025508][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2799.025515][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2799.025517][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2799.025520][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2799.025525][ C2] __mptcp_retrans+0x42a/0x960 [ 2799.025531][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2799.025536][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2799.025545][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2799.025553][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2799.025556][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2799.025559][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2799.025561][ C2] ? lock_acquire+0x10c/0x170 [ 2799.025564][ C2] ? release_sock+0x1f/0x1d0 [ 2799.025571][ C2] release_sock+0x17f/0x1d0 [ 2799.025574][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2799.025582][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2799.025586][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2799.025590][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2799.025597][ C2] ? find_held_lock+0x2b/0x80 [ 2799.025601][ C2] sock_write_iter+0x3c1/0x520 [ 2799.025607][ C2] ? __up_write+0x1ad/0x530 [ 2799.025613][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2799.025620][ C2] ? ksys_write+0xf7/0x1d0 [ 2799.025627][ C2] vfs_write+0xc0c/0x1210 [ 2799.025630][ C2] ? ksys_write+0x137/0x1d0 [ 2799.025633][ C2] ? __lock_release+0x5d/0x170 [ 2799.025637][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2799.025641][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2799.025648][ C2] ksys_write+0x183/0x1d0 [ 2799.025651][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2799.025653][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2799.025661][ C2] do_syscall_64+0xc1/0x380 [ 2799.025666][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2799.025670][ C2] RIP: 0033:0x7f492fa5f337 [ 2799.025676][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2799.025678][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2799.025681][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2799.025683][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2799.025685][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2799.025687][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2799.025689][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2799.025694][ C2] [ 2814.699476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2814.699813][ C2] rcu: 2-....: (571546 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=121537 [ 2814.700327][ C2] rcu: (t=572036 jiffies g=1296501 q=11444 ncpus=4) [ 2814.700595][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2814.700601][ C2] Tainted: [L]=SOFTLOCKUP [ 2814.700603][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2814.700605][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2814.700619][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2814.700622][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2814.700626][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2814.700628][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2814.700630][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2814.700632][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2814.700634][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2814.700636][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2814.700639][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2814.700642][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2814.700644][ C2] PKRU: 55555554 [ 2814.700646][ C2] Call Trace: [ 2814.700647][ C2] [ 2814.700650][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2814.700658][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2814.700663][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2814.700665][ C2] ? lock_acquire+0x10c/0x170 [ 2814.700671][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2814.700678][ C2] mptcp_try_fallback+0x14b/0x360 [ 2814.700682][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2814.700688][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2814.700691][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2814.700694][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2814.700699][ C2] __mptcp_retrans+0x42a/0x960 [ 2814.700704][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2814.700710][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2814.700718][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2814.700727][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2814.700729][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2814.700732][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2814.700735][ C2] ? lock_acquire+0x10c/0x170 [ 2814.700738][ C2] ? release_sock+0x1f/0x1d0 [ 2814.700745][ C2] release_sock+0x17f/0x1d0 [ 2814.700748][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2814.700755][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2814.700759][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2814.700764][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2814.700770][ C2] ? find_held_lock+0x2b/0x80 [ 2814.700774][ C2] sock_write_iter+0x3c1/0x520 [ 2814.700780][ C2] ? __up_write+0x1ad/0x530 [ 2814.700786][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2814.700793][ C2] ? ksys_write+0xf7/0x1d0 [ 2814.700801][ C2] vfs_write+0xc0c/0x1210 [ 2814.700804][ C2] ? ksys_write+0x137/0x1d0 [ 2814.700807][ C2] ? __lock_release+0x5d/0x170 [ 2814.700810][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2814.700814][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2814.700821][ C2] ksys_write+0x183/0x1d0 [ 2814.700825][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2814.700827][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2814.700836][ C2] do_syscall_64+0xc1/0x380 [ 2814.700840][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2814.700845][ C2] RIP: 0033:0x7f492fa5f337 [ 2814.700851][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2814.700853][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2814.700856][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2814.700857][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2814.700859][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2814.700861][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2814.700863][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2814.700869][ C2] [ 2840.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 559s! [mptcp_connect:16967] [ 2840.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2840.512935][ C2] irq event stamp: 66996 [ 2840.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2840.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2840.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2840.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2840.512969][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2840.512975][ C2] Tainted: [L]=SOFTLOCKUP [ 2840.512976][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2840.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2840.512984][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2840.512988][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2840.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2840.512993][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2840.512995][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2840.512997][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2840.512999][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2840.513001][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2840.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2840.513008][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2840.513010][ C2] PKRU: 55555554 [ 2840.513011][ C2] Call Trace: [ 2840.513014][ C2] [ 2840.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2840.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2840.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2840.513035][ C2] ? lock_acquire+0x10c/0x170 [ 2840.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2840.513044][ C2] mptcp_try_fallback+0x14b/0x360 [ 2840.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2840.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2840.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2840.513061][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2840.513066][ C2] __mptcp_retrans+0x42a/0x960 [ 2840.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2840.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2840.513086][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2840.513094][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2840.513097][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2840.513100][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2840.513103][ C2] ? lock_acquire+0x10c/0x170 [ 2840.513106][ C2] ? release_sock+0x1f/0x1d0 [ 2840.513113][ C2] release_sock+0x17f/0x1d0 [ 2840.513116][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2840.513124][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2840.513127][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2840.513131][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2840.513138][ C2] ? find_held_lock+0x2b/0x80 [ 2840.513142][ C2] sock_write_iter+0x3c1/0x520 [ 2840.513149][ C2] ? __up_write+0x1ad/0x530 [ 2840.513154][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2840.513161][ C2] ? ksys_write+0xf7/0x1d0 [ 2840.513168][ C2] vfs_write+0xc0c/0x1210 [ 2840.513172][ C2] ? ksys_write+0x137/0x1d0 [ 2840.513174][ C2] ? __lock_release+0x5d/0x170 [ 2840.513178][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2840.513182][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2840.513189][ C2] ksys_write+0x183/0x1d0 [ 2840.513193][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2840.513196][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2840.513203][ C2] do_syscall_64+0xc1/0x380 [ 2840.513209][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2840.513213][ C2] RIP: 0033:0x7f492fa5f337 [ 2840.513219][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2840.513222][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2840.513225][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2840.513227][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2840.513229][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2840.513231][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2840.513233][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2840.513238][ C2] [ 2868.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 585s! [mptcp_connect:16967] [ 2868.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2868.512933][ C2] irq event stamp: 66996 [ 2868.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2868.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2868.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2868.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2868.512973][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2868.512979][ C2] Tainted: [L]=SOFTLOCKUP [ 2868.512981][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2868.512983][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 2868.512991][ C2] Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 01 00 [ 2868.512994][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 2868.512997][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 2868.513000][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2868.513002][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2868.513004][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2868.513006][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2868.513008][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2868.513010][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2868.513014][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2868.513016][ C2] PKRU: 55555554 [ 2868.513017][ C2] Call Trace: [ 2868.513021][ C2] [ 2868.513025][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2868.513031][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2868.513038][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2868.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2868.513046][ C2] ? lock_acquire+0x10c/0x170 [ 2868.513051][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2868.513056][ C2] mptcp_try_fallback+0x14b/0x360 [ 2868.513060][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2868.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2868.513070][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2868.513073][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2868.513078][ C2] __mptcp_retrans+0x42a/0x960 [ 2868.513083][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2868.513089][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2868.513098][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2868.513106][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2868.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2868.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2868.513114][ C2] ? lock_acquire+0x10c/0x170 [ 2868.513117][ C2] ? release_sock+0x1f/0x1d0 [ 2868.513125][ C2] release_sock+0x17f/0x1d0 [ 2868.513128][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2868.513135][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2868.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2868.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2868.513150][ C2] ? find_held_lock+0x2b/0x80 [ 2868.513154][ C2] sock_write_iter+0x3c1/0x520 [ 2868.513160][ C2] ? __up_write+0x1ad/0x530 [ 2868.513166][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2868.513172][ C2] ? ksys_write+0xf7/0x1d0 [ 2868.513181][ C2] vfs_write+0xc0c/0x1210 [ 2868.513185][ C2] ? ksys_write+0x137/0x1d0 [ 2868.513187][ C2] ? __lock_release+0x5d/0x170 [ 2868.513191][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2868.513195][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2868.513202][ C2] ksys_write+0x183/0x1d0 [ 2868.513206][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2868.513208][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2868.513216][ C2] do_syscall_64+0xc1/0x380 [ 2868.513221][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2868.513226][ C2] RIP: 0033:0x7f492fa5f337 [ 2868.513230][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2868.513233][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2868.513236][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2868.513238][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2868.513239][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2868.513241][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2868.513243][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2868.513249][ C2] [ 2892.704486][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2892.704882][ C2] rcu: 2-....: (649501 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=137728 [ 2892.705389][ C2] rcu: (t=650041 jiffies g=1296501 q=12506 ncpus=4) [ 2892.705624][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2892.705631][ C2] Tainted: [L]=SOFTLOCKUP [ 2892.705633][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2892.705635][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2892.705648][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2892.705651][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2892.705655][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2892.705658][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2892.705660][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2892.705662][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2892.705664][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2892.705666][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2892.705668][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2892.705672][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2892.705674][ C2] PKRU: 55555554 [ 2892.705675][ C2] Call Trace: [ 2892.705676][ C2] [ 2892.705679][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2892.705687][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2892.705692][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2892.705695][ C2] ? lock_acquire+0x10c/0x170 [ 2892.705700][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2892.705708][ C2] mptcp_try_fallback+0x14b/0x360 [ 2892.705712][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2892.705718][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2892.705725][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2892.705728][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2892.705733][ C2] __mptcp_retrans+0x42a/0x960 [ 2892.705739][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2892.705745][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2892.705754][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2892.705762][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2892.705764][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2892.705767][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2892.705770][ C2] ? lock_acquire+0x10c/0x170 [ 2892.705773][ C2] ? release_sock+0x1f/0x1d0 [ 2892.705780][ C2] release_sock+0x17f/0x1d0 [ 2892.705784][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2892.705791][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2892.705795][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2892.705799][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2892.705806][ C2] ? find_held_lock+0x2b/0x80 [ 2892.705810][ C2] sock_write_iter+0x3c1/0x520 [ 2892.705817][ C2] ? __up_write+0x1ad/0x530 [ 2892.705822][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2892.705829][ C2] ? ksys_write+0xf7/0x1d0 [ 2892.705836][ C2] vfs_write+0xc0c/0x1210 [ 2892.705840][ C2] ? ksys_write+0x137/0x1d0 [ 2892.705842][ C2] ? __lock_release+0x5d/0x170 [ 2892.705846][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2892.705850][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2892.705857][ C2] ksys_write+0x183/0x1d0 [ 2892.705860][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2892.705863][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2892.705871][ C2] do_syscall_64+0xc1/0x380 [ 2892.705875][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2892.705879][ C2] RIP: 0033:0x7f492fa5f337 [ 2892.705885][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2892.705887][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2892.705890][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2892.705892][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2892.705894][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2892.705895][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2892.705897][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2892.705903][ C2] [ 2897.327489][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 624632 jiffies s: 68497 root: 0x4/. [ 2897.328099][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2897.328295][ T17] Sending NMI from CPU 1 to CPUs 2: [ 2897.328467][ C2] NMI backtrace for cpu 2 [ 2897.328479][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2897.328485][ C2] Tainted: [L]=SOFTLOCKUP [ 2897.328487][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2897.328489][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2897.328500][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2897.328503][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2897.328507][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2897.328509][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2897.328511][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2897.328513][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2897.328515][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2897.328517][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2897.328519][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2897.328522][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2897.328524][ C2] PKRU: 55555554 [ 2897.328526][ C2] Call Trace: [ 2897.328529][ C2] [ 2897.328533][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2897.328540][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2897.328546][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2897.328549][ C2] ? lock_acquire+0x10c/0x170 [ 2897.328554][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2897.328561][ C2] mptcp_try_fallback+0x14b/0x360 [ 2897.328565][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2897.328571][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2897.328574][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2897.328577][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2897.328582][ C2] __mptcp_retrans+0x42a/0x960 [ 2897.328588][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2897.328593][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2897.328602][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2897.328609][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2897.328612][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2897.328615][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2897.328618][ C2] ? lock_acquire+0x10c/0x170 [ 2897.328621][ C2] ? release_sock+0x1f/0x1d0 [ 2897.328628][ C2] release_sock+0x17f/0x1d0 [ 2897.328631][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2897.328638][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2897.328642][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2897.328646][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2897.328652][ C2] ? find_held_lock+0x2b/0x80 [ 2897.328656][ C2] sock_write_iter+0x3c1/0x520 [ 2897.328663][ C2] ? __up_write+0x1ad/0x530 [ 2897.328668][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2897.328674][ C2] ? ksys_write+0xf7/0x1d0 [ 2897.328681][ C2] vfs_write+0xc0c/0x1210 [ 2897.328684][ C2] ? ksys_write+0x137/0x1d0 [ 2897.328687][ C2] ? __lock_release+0x5d/0x170 [ 2897.328691][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2897.328694][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2897.328701][ C2] ksys_write+0x183/0x1d0 [ 2897.328705][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2897.328708][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2897.328715][ C2] do_syscall_64+0xc1/0x380 [ 2897.328720][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2897.328724][ C2] RIP: 0033:0x7f492fa5f337 [ 2897.328730][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2897.328732][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2897.328735][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2897.328737][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2897.328739][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2897.328740][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2897.328742][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2897.328748][ C2] [ 2924.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 637s! [mptcp_connect:16967] [ 2924.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2924.512935][ C2] irq event stamp: 66996 [ 2924.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2924.512950][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2924.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2924.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2924.512971][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2924.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 2924.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2924.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2924.512986][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2924.512989][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2924.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2924.512994][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2924.512996][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2924.512998][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2924.513000][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2924.513002][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2924.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2924.513009][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2924.513011][ C2] PKRU: 55555554 [ 2924.513013][ C2] Call Trace: [ 2924.513016][ C2] [ 2924.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2924.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2924.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2924.513038][ C2] ? lock_acquire+0x10c/0x170 [ 2924.513043][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2924.513048][ C2] mptcp_try_fallback+0x14b/0x360 [ 2924.513052][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2924.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2924.513062][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2924.513064][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2924.513069][ C2] __mptcp_retrans+0x42a/0x960 [ 2924.513075][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2924.513081][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2924.513090][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2924.513097][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2924.513100][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2924.513103][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2924.513105][ C2] ? lock_acquire+0x10c/0x170 [ 2924.513108][ C2] ? release_sock+0x1f/0x1d0 [ 2924.513115][ C2] release_sock+0x17f/0x1d0 [ 2924.513119][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2924.513127][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2924.513130][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2924.513134][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2924.513141][ C2] ? find_held_lock+0x2b/0x80 [ 2924.513145][ C2] sock_write_iter+0x3c1/0x520 [ 2924.513151][ C2] ? __up_write+0x1ad/0x530 [ 2924.513157][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2924.513163][ C2] ? ksys_write+0xf7/0x1d0 [ 2924.513171][ C2] vfs_write+0xc0c/0x1210 [ 2924.513174][ C2] ? ksys_write+0x137/0x1d0 [ 2924.513177][ C2] ? __lock_release+0x5d/0x170 [ 2924.513181][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2924.513185][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2924.513192][ C2] ksys_write+0x183/0x1d0 [ 2924.513196][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2924.513198][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2924.513206][ C2] do_syscall_64+0xc1/0x380 [ 2924.513210][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2924.513216][ C2] RIP: 0033:0x7f492fa5f337 [ 2924.513222][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2924.513224][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2924.513227][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2924.513229][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2924.513231][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2924.513233][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2924.513234][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2924.513240][ C2] [ 2952.512924][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 663s! [mptcp_connect:16967] [ 2952.512942][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 2952.512971][ C2] irq event stamp: 66996 [ 2952.512974][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2952.512993][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2952.513000][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 2952.513010][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 2952.513023][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2952.513032][ C2] Tainted: [L]=SOFTLOCKUP [ 2952.513034][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2952.513038][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 2952.513050][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 2952.513056][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 2952.513062][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2952.513065][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2952.513069][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2952.513072][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2952.513075][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2952.513078][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2952.513082][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2952.513090][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2952.513093][ C2] PKRU: 55555554 [ 2952.513096][ C2] Call Trace: [ 2952.513102][ C2] [ 2952.513105][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2952.513119][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2952.513132][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2952.513141][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2952.513146][ C2] ? lock_acquire+0x10c/0x170 [ 2952.513153][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2952.513161][ C2] mptcp_try_fallback+0x14b/0x360 [ 2952.513168][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2952.513181][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2952.513186][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2952.513190][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2952.513199][ C2] __mptcp_retrans+0x42a/0x960 [ 2952.513210][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2952.513218][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2952.513231][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2952.513245][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2952.513249][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2952.513255][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2952.513260][ C2] ? lock_acquire+0x10c/0x170 [ 2952.513264][ C2] ? release_sock+0x1f/0x1d0 [ 2952.513276][ C2] release_sock+0x17f/0x1d0 [ 2952.513283][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2952.513297][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2952.513304][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2952.513311][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2952.513320][ C2] ? find_held_lock+0x2b/0x80 [ 2952.513328][ C2] sock_write_iter+0x3c1/0x520 [ 2952.513337][ C2] ? __up_write+0x1ad/0x530 [ 2952.513345][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2952.513358][ C2] ? ksys_write+0xf7/0x1d0 [ 2952.513368][ C2] vfs_write+0xc0c/0x1210 [ 2952.513374][ C2] ? ksys_write+0x137/0x1d0 [ 2952.513378][ C2] ? __lock_release+0x5d/0x170 [ 2952.513383][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2952.513390][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2952.513403][ C2] ksys_write+0x183/0x1d0 [ 2952.513410][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2952.513414][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2952.513426][ C2] do_syscall_64+0xc1/0x380 [ 2952.513434][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2952.513441][ C2] RIP: 0033:0x7f492fa5f337 [ 2952.513450][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2952.513455][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2952.513460][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2952.513464][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2952.513467][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2952.513470][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2952.513473][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2952.513485][ C2] [ 2970.709510][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2970.710489][ C2] rcu: 2-....: (727426 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=154299 [ 2970.711222][ C2] rcu: (t=728047 jiffies g=1296501 q=13890 ncpus=4) [ 2970.711677][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2970.711688][ C2] Tainted: [L]=SOFTLOCKUP [ 2970.711691][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2970.711695][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2970.711715][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2970.711721][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2970.711728][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2970.711744][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2970.711747][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2970.711751][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2970.711755][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2970.711759][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2970.711763][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2970.711770][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2970.711774][ C2] PKRU: 55555554 [ 2970.711776][ C2] Call Trace: [ 2970.711780][ C2] [ 2970.711784][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2970.711799][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2970.711808][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2970.711813][ C2] ? lock_acquire+0x10c/0x170 [ 2970.711821][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2970.711835][ C2] mptcp_try_fallback+0x14b/0x360 [ 2970.711842][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2970.711854][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2970.711859][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2970.711864][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2970.711873][ C2] __mptcp_retrans+0x42a/0x960 [ 2970.711884][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2970.711894][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2970.711907][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2970.711921][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2970.711927][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2970.711932][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2970.711937][ C2] ? lock_acquire+0x10c/0x170 [ 2970.711942][ C2] ? release_sock+0x1f/0x1d0 [ 2970.711954][ C2] release_sock+0x17f/0x1d0 [ 2970.711960][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2970.711975][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2970.711981][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2970.711988][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2970.711998][ C2] ? find_held_lock+0x2b/0x80 [ 2970.712005][ C2] sock_write_iter+0x3c1/0x520 [ 2970.712015][ C2] ? __up_write+0x1ad/0x530 [ 2970.712024][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2970.712037][ C2] ? ksys_write+0xf7/0x1d0 [ 2970.712050][ C2] vfs_write+0xc0c/0x1210 [ 2970.712055][ C2] ? ksys_write+0x137/0x1d0 [ 2970.712059][ C2] ? __lock_release+0x5d/0x170 [ 2970.712066][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2970.712073][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2970.712088][ C2] ksys_write+0x183/0x1d0 [ 2970.712094][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2970.712099][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2970.712113][ C2] do_syscall_64+0xc1/0x380 [ 2970.712120][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2970.712127][ C2] RIP: 0033:0x7f492fa5f337 [ 2970.712136][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2970.712141][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2970.712147][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2970.712150][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2970.712154][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2970.712157][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2970.712161][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2970.712173][ C2] [ 2995.631642][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 722936 jiffies s: 68497 root: 0x4/. [ 2995.632827][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2995.633188][ T17] Sending NMI from CPU 1 to CPUs 2: [ 2995.633483][ C2] NMI backtrace for cpu 2 [ 2995.633503][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2995.633514][ C2] Tainted: [L]=SOFTLOCKUP [ 2995.633516][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2995.633520][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2995.633547][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2995.633552][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 2995.633559][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 2995.633563][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 2995.633567][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 2995.633570][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 2995.633573][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 2995.633577][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 2995.633582][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2995.633589][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 2995.633593][ C2] PKRU: 55555554 [ 2995.633609][ C2] Call Trace: [ 2995.633619][ C2] [ 2995.633630][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2995.633642][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2995.633666][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2995.633672][ C2] ? lock_acquire+0x10c/0x170 [ 2995.633680][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2995.633697][ C2] mptcp_try_fallback+0x14b/0x360 [ 2995.633705][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2995.633716][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2995.633720][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2995.633724][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2995.633732][ C2] __mptcp_retrans+0x42a/0x960 [ 2995.633744][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2995.633753][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2995.633772][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2995.633786][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2995.633791][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2995.633797][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2995.633801][ C2] ? lock_acquire+0x10c/0x170 [ 2995.633806][ C2] ? release_sock+0x1f/0x1d0 [ 2995.633819][ C2] release_sock+0x17f/0x1d0 [ 2995.633827][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2995.633840][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2995.633847][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2995.633853][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2995.633874][ C2] ? find_held_lock+0x2b/0x80 [ 2995.633881][ C2] sock_write_iter+0x3c1/0x520 [ 2995.633892][ C2] ? __up_write+0x1ad/0x530 [ 2995.633899][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2995.633910][ C2] ? ksys_write+0xf7/0x1d0 [ 2995.633929][ C2] vfs_write+0xc0c/0x1210 [ 2995.633935][ C2] ? ksys_write+0x137/0x1d0 [ 2995.633940][ C2] ? __lock_release+0x5d/0x170 [ 2995.633945][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2995.633951][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2995.633963][ C2] ksys_write+0x183/0x1d0 [ 2995.633969][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2995.633974][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2995.633993][ C2] do_syscall_64+0xc1/0x380 [ 2995.634004][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2995.634012][ C2] RIP: 0033:0x7f492fa5f337 [ 2995.634022][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 2995.634026][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2995.634032][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 2995.634036][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 2995.634039][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 2995.634042][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 2995.634046][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 2995.634057][ C2] [ 3020.512910][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 727s! [mptcp_connect:16967] [ 3020.512923][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3020.512955][ C2] irq event stamp: 66996 [ 3020.512958][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3020.512974][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3020.512981][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3020.512989][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3020.513001][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3020.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 3020.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3020.513016][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3020.513024][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3020.513029][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3020.513034][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3020.513038][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3020.513041][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3020.513045][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3020.513049][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3020.513053][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3020.513057][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3020.513064][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3020.513068][ C2] PKRU: 55555554 [ 3020.513070][ C2] Call Trace: [ 3020.513075][ C2] [ 3020.513083][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3020.513096][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3020.513105][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3020.513109][ C2] ? lock_acquire+0x10c/0x170 [ 3020.513116][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3020.513125][ C2] mptcp_try_fallback+0x14b/0x360 [ 3020.513132][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3020.513143][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3020.513148][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3020.513153][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3020.513161][ C2] __mptcp_retrans+0x42a/0x960 [ 3020.513171][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3020.513181][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3020.513192][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3020.513205][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3020.513210][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3020.513216][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3020.513221][ C2] ? lock_acquire+0x10c/0x170 [ 3020.513227][ C2] ? release_sock+0x1f/0x1d0 [ 3020.513238][ C2] release_sock+0x17f/0x1d0 [ 3020.513245][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3020.513260][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3020.513266][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3020.513273][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3020.513282][ C2] ? find_held_lock+0x2b/0x80 [ 3020.513290][ C2] sock_write_iter+0x3c1/0x520 [ 3020.513299][ C2] ? __up_write+0x1ad/0x530 [ 3020.513306][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3020.513318][ C2] ? ksys_write+0xf7/0x1d0 [ 3020.513330][ C2] vfs_write+0xc0c/0x1210 [ 3020.513336][ C2] ? ksys_write+0x137/0x1d0 [ 3020.513341][ C2] ? __lock_release+0x5d/0x170 [ 3020.513347][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3020.513354][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3020.513369][ C2] ksys_write+0x183/0x1d0 [ 3020.513375][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3020.513380][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3020.513392][ C2] do_syscall_64+0xc1/0x380 [ 3020.513400][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3020.513407][ C2] RIP: 0033:0x7f492fa5f337 [ 3020.513416][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3020.513420][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3020.513426][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3020.513430][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3020.513433][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3020.513437][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3020.513441][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3020.513452][ C2] [ 3048.512910][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 753s! [mptcp_connect:16967] [ 3048.512925][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3048.512952][ C2] irq event stamp: 66996 [ 3048.512955][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3048.512970][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3048.512977][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3048.512986][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3048.512998][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3048.513007][ C2] Tainted: [L]=SOFTLOCKUP [ 3048.513009][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3048.513013][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3048.513021][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3048.513026][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3048.513031][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3048.513035][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3048.513039][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3048.513042][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3048.513046][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3048.513050][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3048.513054][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3048.513062][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3048.513066][ C2] PKRU: 55555554 [ 3048.513068][ C2] Call Trace: [ 3048.513072][ C2] [ 3048.513079][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3048.513093][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3048.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3048.513107][ C2] ? lock_acquire+0x10c/0x170 [ 3048.513113][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3048.513121][ C2] mptcp_try_fallback+0x14b/0x360 [ 3048.513128][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3048.513139][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3048.513144][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3048.513149][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3048.513157][ C2] __mptcp_retrans+0x42a/0x960 [ 3048.513168][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3048.513178][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3048.513190][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3048.513203][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3048.513208][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3048.513212][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3048.513218][ C2] ? lock_acquire+0x10c/0x170 [ 3048.513222][ C2] ? release_sock+0x1f/0x1d0 [ 3048.513233][ C2] release_sock+0x17f/0x1d0 [ 3048.513240][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3048.513251][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3048.513257][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3048.513263][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3048.513273][ C2] ? find_held_lock+0x2b/0x80 [ 3048.513280][ C2] sock_write_iter+0x3c1/0x520 [ 3048.513288][ C2] ? __up_write+0x1ad/0x530 [ 3048.513294][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3048.513305][ C2] ? ksys_write+0xf7/0x1d0 [ 3048.513315][ C2] vfs_write+0xc0c/0x1210 [ 3048.513320][ C2] ? ksys_write+0x137/0x1d0 [ 3048.513324][ C2] ? __lock_release+0x5d/0x170 [ 3048.513330][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3048.513336][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3048.513350][ C2] ksys_write+0x183/0x1d0 [ 3048.513356][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3048.513360][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3048.513372][ C2] do_syscall_64+0xc1/0x380 [ 3048.513378][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3048.513385][ C2] RIP: 0033:0x7f492fa5f337 [ 3048.513393][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3048.513397][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3048.513403][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3048.513407][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3048.513410][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3048.513414][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3048.513417][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3048.513429][ C2] [ 3048.715481][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3048.716116][ C2] rcu: 2-....: (805158 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=171223 [ 3048.716939][ C2] rcu: (t=806053 jiffies g=1296501 q=15271 ncpus=4) [ 3048.717667][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3048.717678][ C2] Tainted: [L]=SOFTLOCKUP [ 3048.717681][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3048.717684][ C2] RIP: 0010:kasan_check_range+0x106/0x1c0 [ 3048.717698][ C2] Code: 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff <5b> b8 01 00 00 00 5d 41 5c e9 3c fa 1a 02 41 bc 08 00 00 00 45 29 [ 3048.717703][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 3048.717710][ C2] RAX: ffffed10017f0d67 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 3048.717723][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3048.717726][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3048.717730][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3048.717733][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3048.717737][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3048.717742][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3048.717749][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3048.717752][ C2] PKRU: 55555554 [ 3048.717755][ C2] Call Trace: [ 3048.717758][ C2] [ 3048.717762][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3048.717773][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3048.717787][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3048.717794][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3048.717799][ C2] ? lock_acquire+0x10c/0x170 [ 3048.717805][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3048.717817][ C2] mptcp_try_fallback+0x14b/0x360 [ 3048.717824][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3048.717835][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3048.717840][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3048.717846][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3048.717855][ C2] __mptcp_retrans+0x42a/0x960 [ 3048.717865][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3048.717875][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3048.717886][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3048.717899][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3048.717904][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3048.717910][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3048.717915][ C2] ? lock_acquire+0x10c/0x170 [ 3048.717920][ C2] ? release_sock+0x1f/0x1d0 [ 3048.717930][ C2] release_sock+0x17f/0x1d0 [ 3048.717937][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3048.717951][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3048.717958][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3048.717965][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3048.717974][ C2] ? find_held_lock+0x2b/0x80 [ 3048.717981][ C2] sock_write_iter+0x3c1/0x520 [ 3048.717989][ C2] ? __up_write+0x1ad/0x530 [ 3048.717996][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3048.718008][ C2] ? ksys_write+0xf7/0x1d0 [ 3048.718018][ C2] vfs_write+0xc0c/0x1210 [ 3048.718024][ C2] ? ksys_write+0x137/0x1d0 [ 3048.718027][ C2] ? __lock_release+0x5d/0x170 [ 3048.718034][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3048.718040][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3048.718054][ C2] ksys_write+0x183/0x1d0 [ 3048.718059][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3048.718064][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3048.718076][ C2] do_syscall_64+0xc1/0x380 [ 3048.718083][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3048.718088][ C2] RIP: 0033:0x7f492fa5f337 [ 3048.718096][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3048.718101][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3048.718107][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3048.718111][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3048.718114][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3048.718118][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3048.718121][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3048.718133][ C2] [ 3076.512911][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 779s! [mptcp_connect:16967] [ 3076.512925][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3076.512952][ C2] irq event stamp: 66996 [ 3076.512955][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3076.512969][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3076.512976][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3076.512984][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3076.512995][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3076.513002][ C2] Tainted: [L]=SOFTLOCKUP [ 3076.513004][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3076.513007][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3076.513014][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3076.513019][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3076.513024][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3076.513027][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3076.513030][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3076.513033][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3076.513036][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3076.513040][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3076.513043][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3076.513051][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3076.513054][ C2] PKRU: 55555554 [ 3076.513056][ C2] Call Trace: [ 3076.513060][ C2] [ 3076.513066][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3076.513079][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3076.513087][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3076.513091][ C2] ? lock_acquire+0x10c/0x170 [ 3076.513097][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3076.513105][ C2] mptcp_try_fallback+0x14b/0x360 [ 3076.513112][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3076.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3076.513127][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3076.513132][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3076.513141][ C2] __mptcp_retrans+0x42a/0x960 [ 3076.513151][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3076.513159][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3076.513170][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3076.513182][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3076.513186][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3076.513190][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3076.513194][ C2] ? lock_acquire+0x10c/0x170 [ 3076.513199][ C2] ? release_sock+0x1f/0x1d0 [ 3076.513211][ C2] release_sock+0x17f/0x1d0 [ 3076.513217][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3076.513230][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3076.513236][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3076.513243][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3076.513253][ C2] ? find_held_lock+0x2b/0x80 [ 3076.513261][ C2] sock_write_iter+0x3c1/0x520 [ 3076.513269][ C2] ? __up_write+0x1ad/0x530 [ 3076.513276][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3076.513290][ C2] ? ksys_write+0xf7/0x1d0 [ 3076.513302][ C2] vfs_write+0xc0c/0x1210 [ 3076.513309][ C2] ? ksys_write+0x137/0x1d0 [ 3076.513313][ C2] ? __lock_release+0x5d/0x170 [ 3076.513320][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3076.513327][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3076.513342][ C2] ksys_write+0x183/0x1d0 [ 3076.513349][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3076.513353][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3076.513366][ C2] do_syscall_64+0xc1/0x380 [ 3076.513373][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3076.513380][ C2] RIP: 0033:0x7f492fa5f337 [ 3076.513388][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3076.513393][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3076.513399][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3076.513403][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3076.513407][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3076.513410][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3076.513414][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3076.513426][ C2] [ 3093.935565][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 821240 jiffies s: 68497 root: 0x4/. [ 3093.936696][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3093.937041][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3093.937349][ C2] NMI backtrace for cpu 2 [ 3093.937367][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3093.937378][ C2] Tainted: [L]=SOFTLOCKUP [ 3093.937381][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3093.937385][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3093.937400][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3093.937406][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3093.937412][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3093.937416][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3093.937420][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3093.937424][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3093.937428][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3093.937432][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3093.937437][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3093.937444][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3093.937448][ C2] PKRU: 55555554 [ 3093.937450][ C2] Call Trace: [ 3093.937456][ C2] [ 3093.937464][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3093.937480][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3093.937489][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3093.937495][ C2] ? lock_acquire+0x10c/0x170 [ 3093.937502][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3093.937514][ C2] mptcp_try_fallback+0x14b/0x360 [ 3093.937522][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3093.937535][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3093.937540][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3093.937545][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3093.937555][ C2] __mptcp_retrans+0x42a/0x960 [ 3093.937567][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3093.937576][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3093.937588][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3093.937601][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3093.937606][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3093.937612][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3093.937617][ C2] ? lock_acquire+0x10c/0x170 [ 3093.937622][ C2] ? release_sock+0x1f/0x1d0 [ 3093.937632][ C2] release_sock+0x17f/0x1d0 [ 3093.937639][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3093.937654][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3093.937661][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3093.937668][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3093.937678][ C2] ? find_held_lock+0x2b/0x80 [ 3093.937686][ C2] sock_write_iter+0x3c1/0x520 [ 3093.937694][ C2] ? __up_write+0x1ad/0x530 [ 3093.937702][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3093.937714][ C2] ? ksys_write+0xf7/0x1d0 [ 3093.937725][ C2] vfs_write+0xc0c/0x1210 [ 3093.937732][ C2] ? ksys_write+0x137/0x1d0 [ 3093.937737][ C2] ? __lock_release+0x5d/0x170 [ 3093.937744][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3093.937751][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3093.937766][ C2] ksys_write+0x183/0x1d0 [ 3093.937773][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3093.937777][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3093.937790][ C2] do_syscall_64+0xc1/0x380 [ 3093.937797][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3093.937804][ C2] RIP: 0033:0x7f492fa5f337 [ 3093.937811][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3093.937816][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3093.937822][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3093.937826][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3093.937829][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3093.937833][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3093.937837][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3093.937849][ C2] [ 3120.512909][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 820s! [mptcp_connect:16967] [ 3120.512921][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3120.512941][ C2] irq event stamp: 66996 [ 3120.512943][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3120.512956][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3120.512960][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3120.512968][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3120.512978][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3120.512984][ C2] Tainted: [L]=SOFTLOCKUP [ 3120.512986][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3120.512988][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3120.512994][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3120.512997][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3120.513001][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3120.513003][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3120.513005][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3120.513007][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3120.513009][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3120.513011][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3120.513014][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3120.513018][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3120.513020][ C2] PKRU: 55555554 [ 3120.513021][ C2] Call Trace: [ 3120.513026][ C2] [ 3120.513031][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3120.513039][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3120.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3120.513049][ C2] ? lock_acquire+0x10c/0x170 [ 3120.513054][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3120.513058][ C2] mptcp_try_fallback+0x14b/0x360 [ 3120.513063][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3120.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3120.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3120.513075][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3120.513080][ C2] __mptcp_retrans+0x42a/0x960 [ 3120.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3120.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3120.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3120.513109][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3120.513112][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3120.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3120.513117][ C2] ? lock_acquire+0x10c/0x170 [ 3120.513120][ C2] ? release_sock+0x1f/0x1d0 [ 3120.513127][ C2] release_sock+0x17f/0x1d0 [ 3120.513131][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3120.513139][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3120.513143][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3120.513147][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3120.513154][ C2] ? find_held_lock+0x2b/0x80 [ 3120.513159][ C2] sock_write_iter+0x3c1/0x520 [ 3120.513165][ C2] ? __up_write+0x1ad/0x530 [ 3120.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3120.513178][ C2] ? ksys_write+0xf7/0x1d0 [ 3120.513186][ C2] vfs_write+0xc0c/0x1210 [ 3120.513190][ C2] ? ksys_write+0x137/0x1d0 [ 3120.513193][ C2] ? __lock_release+0x5d/0x170 [ 3120.513197][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3120.513201][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3120.513208][ C2] ksys_write+0x183/0x1d0 [ 3120.513212][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3120.513214][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3120.513223][ C2] do_syscall_64+0xc1/0x380 [ 3120.513228][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3120.513233][ C2] RIP: 0033:0x7f492fa5f337 [ 3120.513240][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3120.513242][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3120.513246][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3120.513248][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3120.513250][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3120.513252][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3120.513254][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3120.513260][ C2] [ 3126.721477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3126.721897][ C2] rcu: 2-....: (882867 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=188714 [ 3126.722416][ C2] rcu: (t=884058 jiffies g=1296501 q=16658 ncpus=4) [ 3126.722649][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3126.722656][ C2] Tainted: [L]=SOFTLOCKUP [ 3126.722658][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3126.722661][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3126.722674][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3126.722677][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3126.722681][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3126.722683][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3126.722686][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3126.722688][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3126.722689][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3126.722691][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3126.722694][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3126.722698][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3126.722700][ C2] PKRU: 55555554 [ 3126.722701][ C2] Call Trace: [ 3126.722703][ C2] [ 3126.722705][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3126.722713][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3126.722719][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3126.722722][ C2] ? lock_acquire+0x10c/0x170 [ 3126.722727][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3126.722735][ C2] mptcp_try_fallback+0x14b/0x360 [ 3126.722739][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3126.722746][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3126.722748][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3126.722751][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3126.722756][ C2] __mptcp_retrans+0x42a/0x960 [ 3126.722762][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3126.722767][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3126.722776][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3126.722784][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3126.722787][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3126.722790][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3126.722792][ C2] ? lock_acquire+0x10c/0x170 [ 3126.722795][ C2] ? release_sock+0x1f/0x1d0 [ 3126.722802][ C2] release_sock+0x17f/0x1d0 [ 3126.722805][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3126.722813][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3126.722817][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3126.722820][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3126.722828][ C2] ? find_held_lock+0x2b/0x80 [ 3126.722832][ C2] sock_write_iter+0x3c1/0x520 [ 3126.722838][ C2] ? __up_write+0x1ad/0x530 [ 3126.722843][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3126.722850][ C2] ? ksys_write+0xf7/0x1d0 [ 3126.722858][ C2] vfs_write+0xc0c/0x1210 [ 3126.722861][ C2] ? ksys_write+0x137/0x1d0 [ 3126.722864][ C2] ? __lock_release+0x5d/0x170 [ 3126.722867][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3126.722871][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3126.722879][ C2] ksys_write+0x183/0x1d0 [ 3126.722882][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3126.722884][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3126.722892][ C2] do_syscall_64+0xc1/0x380 [ 3126.722897][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3126.722901][ C2] RIP: 0033:0x7f492fa5f337 [ 3126.722907][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3126.722909][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3126.722912][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3126.722914][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3126.722916][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3126.722918][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3126.722919][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3126.722926][ C2] [ 3152.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 850s! [mptcp_connect:16967] [ 3152.512920][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3152.512937][ C2] irq event stamp: 66996 [ 3152.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3152.512953][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3152.512959][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3152.512967][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3152.512977][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3152.512982][ C2] Tainted: [L]=SOFTLOCKUP [ 3152.512984][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3152.512987][ C2] RIP: 0010:kasan_check_range+0x84/0x1c0 [ 3152.512997][ C2] Code: 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 48 89 e8 49 8d 59 01 48 89 da 48 29 ea <48> 83 fa 10 0f 8e c0 00 00 00 41 89 eb 41 83 e3 07 75 7d 48 85 d2 [ 3152.513000][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000202 [ 3152.513003][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 3152.513006][ C2] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3152.513008][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3152.513010][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3152.513012][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3152.513014][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3152.513016][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3152.513021][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3152.513023][ C2] PKRU: 55555554 [ 3152.513024][ C2] Call Trace: [ 3152.513028][ C2] [ 3152.513033][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3152.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3152.513047][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3152.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3152.513056][ C2] ? lock_acquire+0x10c/0x170 [ 3152.513061][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3152.513066][ C2] mptcp_try_fallback+0x14b/0x360 [ 3152.513070][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3152.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3152.513080][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3152.513083][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3152.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 3152.513094][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3152.513099][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3152.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3152.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3152.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3152.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3152.513124][ C2] ? lock_acquire+0x10c/0x170 [ 3152.513127][ C2] ? release_sock+0x1f/0x1d0 [ 3152.513134][ C2] release_sock+0x17f/0x1d0 [ 3152.513147][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3152.513155][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3152.513158][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3152.513163][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3152.513169][ C2] ? find_held_lock+0x2b/0x80 [ 3152.513174][ C2] sock_write_iter+0x3c1/0x520 [ 3152.513180][ C2] ? __up_write+0x1ad/0x530 [ 3152.513186][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3152.513193][ C2] ? ksys_write+0xf7/0x1d0 [ 3152.513200][ C2] vfs_write+0xc0c/0x1210 [ 3152.513205][ C2] ? ksys_write+0x137/0x1d0 [ 3152.513207][ C2] ? __lock_release+0x5d/0x170 [ 3152.513211][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3152.513215][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3152.513222][ C2] ksys_write+0x183/0x1d0 [ 3152.513226][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3152.513228][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3152.513237][ C2] do_syscall_64+0xc1/0x380 [ 3152.513242][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3152.513247][ C2] RIP: 0033:0x7f492fa5f337 [ 3152.513253][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3152.513256][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3152.513259][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3152.513261][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3152.513263][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3152.513265][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3152.513267][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3152.513273][ C2] [ 3180.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 876s! [mptcp_connect:16967] [ 3180.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3180.512936][ C2] irq event stamp: 66996 [ 3180.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3180.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3180.512956][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3180.512964][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3180.512973][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3180.512979][ C2] Tainted: [L]=SOFTLOCKUP [ 3180.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3180.512983][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 3180.512992][ C2] Code: 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f [ 3180.512995][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 3180.512999][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3180.513001][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3180.513003][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3180.513005][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3180.513007][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3180.513009][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3180.513020][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3180.513024][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3180.513026][ C2] PKRU: 55555554 [ 3180.513027][ C2] Call Trace: [ 3180.513031][ C2] [ 3180.513033][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3180.513041][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3180.513049][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3180.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3180.513057][ C2] ? lock_acquire+0x10c/0x170 [ 3180.513063][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3180.513068][ C2] mptcp_try_fallback+0x14b/0x360 [ 3180.513073][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3180.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3180.513082][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3180.513085][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3180.513090][ C2] __mptcp_retrans+0x42a/0x960 [ 3180.513096][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3180.513101][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3180.513110][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3180.513117][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3180.513120][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3180.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3180.513126][ C2] ? lock_acquire+0x10c/0x170 [ 3180.513129][ C2] ? release_sock+0x1f/0x1d0 [ 3180.513136][ C2] release_sock+0x17f/0x1d0 [ 3180.513140][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3180.513149][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3180.513153][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3180.513157][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3180.513164][ C2] ? find_held_lock+0x2b/0x80 [ 3180.513168][ C2] sock_write_iter+0x3c1/0x520 [ 3180.513175][ C2] ? __up_write+0x1ad/0x530 [ 3180.513180][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3180.513187][ C2] ? ksys_write+0xf7/0x1d0 [ 3180.513194][ C2] vfs_write+0xc0c/0x1210 [ 3180.513198][ C2] ? ksys_write+0x137/0x1d0 [ 3180.513200][ C2] ? __lock_release+0x5d/0x170 [ 3180.513204][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3180.513208][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3180.513216][ C2] ksys_write+0x183/0x1d0 [ 3180.513220][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3180.513223][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3180.513231][ C2] do_syscall_64+0xc1/0x380 [ 3180.513236][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3180.513241][ C2] RIP: 0033:0x7f492fa5f337 [ 3180.513249][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3180.513252][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3180.513255][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3180.513257][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3180.513259][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3180.513261][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3180.513263][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3180.513269][ C2] [ 3185.068906][ T70] kmemleak: 298 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 3192.239525][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 919544 jiffies s: 68497 root: 0x4/. [ 3192.240229][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3192.240546][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3192.240832][ C2] NMI backtrace for cpu 2 [ 3192.240845][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3192.240851][ C2] Tainted: [L]=SOFTLOCKUP [ 3192.240853][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3192.240856][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3192.240869][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3192.240872][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3192.240876][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3192.240878][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3192.240880][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3192.240882][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3192.240884][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3192.240886][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3192.240889][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3192.240892][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3192.240894][ C2] PKRU: 55555554 [ 3192.240895][ C2] Call Trace: [ 3192.240898][ C2] [ 3192.240902][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3192.240910][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3192.240917][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3192.240920][ C2] ? lock_acquire+0x10c/0x170 [ 3192.240924][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3192.240932][ C2] mptcp_try_fallback+0x14b/0x360 [ 3192.240936][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3192.240943][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3192.240945][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3192.240948][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3192.240953][ C2] __mptcp_retrans+0x42a/0x960 [ 3192.240959][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3192.240964][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3192.240973][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3192.240981][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3192.240983][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3192.240986][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3192.240989][ C2] ? lock_acquire+0x10c/0x170 [ 3192.240992][ C2] ? release_sock+0x1f/0x1d0 [ 3192.240999][ C2] release_sock+0x17f/0x1d0 [ 3192.241003][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3192.241010][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3192.241014][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3192.241018][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3192.241025][ C2] ? find_held_lock+0x2b/0x80 [ 3192.241029][ C2] sock_write_iter+0x3c1/0x520 [ 3192.241036][ C2] ? __up_write+0x1ad/0x530 [ 3192.241042][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3192.241048][ C2] ? ksys_write+0xf7/0x1d0 [ 3192.241056][ C2] vfs_write+0xc0c/0x1210 [ 3192.241060][ C2] ? ksys_write+0x137/0x1d0 [ 3192.241062][ C2] ? __lock_release+0x5d/0x170 [ 3192.241066][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3192.241070][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3192.241077][ C2] ksys_write+0x183/0x1d0 [ 3192.241081][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3192.241083][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3192.241091][ C2] do_syscall_64+0xc1/0x380 [ 3192.241096][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3192.241100][ C2] RIP: 0033:0x7f492fa5f337 [ 3192.241105][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3192.241108][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3192.241111][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3192.241113][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3192.241115][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3192.241117][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3192.241119][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3192.241125][ C2] [ 3204.725496][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3204.726003][ C2] rcu: 2-....: (960808 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=205855 [ 3204.726362][ C2] rcu: (t=962062 jiffies g=1296501 q=18060 ncpus=4) [ 3204.726705][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3204.726712][ C2] Tainted: [L]=SOFTLOCKUP [ 3204.726713][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3204.726716][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3204.726730][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3204.726732][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3204.726736][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3204.726739][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3204.726741][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3204.726742][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3204.726744][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3204.726746][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3204.726749][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3204.726753][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3204.726755][ C2] PKRU: 55555554 [ 3204.726756][ C2] Call Trace: [ 3204.726758][ C2] [ 3204.726761][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3204.726768][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3204.726774][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3204.726777][ C2] ? lock_acquire+0x10c/0x170 [ 3204.726782][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3204.726790][ C2] mptcp_try_fallback+0x14b/0x360 [ 3204.726794][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3204.726800][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3204.726803][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3204.726805][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3204.726810][ C2] __mptcp_retrans+0x42a/0x960 [ 3204.726816][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3204.726821][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3204.726830][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3204.726838][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3204.726840][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3204.726843][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3204.726846][ C2] ? lock_acquire+0x10c/0x170 [ 3204.726848][ C2] ? release_sock+0x1f/0x1d0 [ 3204.726855][ C2] release_sock+0x17f/0x1d0 [ 3204.726858][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3204.726865][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3204.726869][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3204.726873][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3204.726879][ C2] ? find_held_lock+0x2b/0x80 [ 3204.726883][ C2] sock_write_iter+0x3c1/0x520 [ 3204.726889][ C2] ? __up_write+0x1ad/0x530 [ 3204.726895][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3204.726901][ C2] ? ksys_write+0xf7/0x1d0 [ 3204.726909][ C2] vfs_write+0xc0c/0x1210 [ 3204.726912][ C2] ? ksys_write+0x137/0x1d0 [ 3204.726914][ C2] ? __lock_release+0x5d/0x170 [ 3204.726918][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3204.726921][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3204.726928][ C2] ksys_write+0x183/0x1d0 [ 3204.726931][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3204.726934][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3204.726941][ C2] do_syscall_64+0xc1/0x380 [ 3204.726946][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3204.726949][ C2] RIP: 0033:0x7f492fa5f337 [ 3204.726955][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3204.726958][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3204.726961][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3204.726963][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3204.726964][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3204.726966][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3204.726968][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3204.726974][ C2] [ 3232.512923][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 924s! [mptcp_connect:16967] [ 3232.512933][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3232.512952][ C2] irq event stamp: 66996 [ 3232.512953][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3232.512966][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3232.512971][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3232.512979][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3232.512988][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3232.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 3232.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3232.512998][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3232.513004][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3232.513007][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3232.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3232.513013][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3232.513015][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3232.513017][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3232.513019][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3232.513021][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3232.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3232.513028][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3232.513030][ C2] PKRU: 55555554 [ 3232.513031][ C2] Call Trace: [ 3232.513035][ C2] [ 3232.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3232.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3232.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3232.513056][ C2] ? lock_acquire+0x10c/0x170 [ 3232.513061][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3232.513066][ C2] mptcp_try_fallback+0x14b/0x360 [ 3232.513070][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3232.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3232.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3232.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3232.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 3232.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3232.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3232.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3232.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3232.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3232.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3232.513124][ C2] ? lock_acquire+0x10c/0x170 [ 3232.513127][ C2] ? release_sock+0x1f/0x1d0 [ 3232.513134][ C2] release_sock+0x17f/0x1d0 [ 3232.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3232.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3232.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3232.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3232.513161][ C2] ? find_held_lock+0x2b/0x80 [ 3232.513165][ C2] sock_write_iter+0x3c1/0x520 [ 3232.513171][ C2] ? __up_write+0x1ad/0x530 [ 3232.513177][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3232.513184][ C2] ? ksys_write+0xf7/0x1d0 [ 3232.513192][ C2] vfs_write+0xc0c/0x1210 [ 3232.513196][ C2] ? ksys_write+0x137/0x1d0 [ 3232.513198][ C2] ? __lock_release+0x5d/0x170 [ 3232.513202][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3232.513206][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3232.513214][ C2] ksys_write+0x183/0x1d0 [ 3232.513217][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3232.513220][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3232.513228][ C2] do_syscall_64+0xc1/0x380 [ 3232.513233][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3232.513237][ C2] RIP: 0033:0x7f492fa5f337 [ 3232.513243][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3232.513245][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3232.513248][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3232.513250][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3232.513252][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3232.513254][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3232.513256][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3232.513262][ C2] [ 3260.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 950s! [mptcp_connect:16967] [ 3260.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3260.512933][ C2] irq event stamp: 66996 [ 3260.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3260.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3260.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3260.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3260.512968][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3260.512974][ C2] Tainted: [L]=SOFTLOCKUP [ 3260.512975][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3260.512978][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3260.512984][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3260.512987][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3260.512990][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3260.512993][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3260.512995][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3260.512996][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3260.512999][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3260.513001][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3260.513003][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3260.513007][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3260.513009][ C2] PKRU: 55555554 [ 3260.513011][ C2] Call Trace: [ 3260.513015][ C2] [ 3260.513020][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3260.513027][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3260.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3260.513037][ C2] ? lock_acquire+0x10c/0x170 [ 3260.513042][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3260.513047][ C2] mptcp_try_fallback+0x14b/0x360 [ 3260.513051][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3260.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3260.513061][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3260.513064][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3260.513068][ C2] __mptcp_retrans+0x42a/0x960 [ 3260.513074][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3260.513080][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3260.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3260.513097][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3260.513099][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3260.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3260.513105][ C2] ? lock_acquire+0x10c/0x170 [ 3260.513108][ C2] ? release_sock+0x1f/0x1d0 [ 3260.513116][ C2] release_sock+0x17f/0x1d0 [ 3260.513120][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3260.513128][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3260.513131][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3260.513135][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3260.513142][ C2] ? find_held_lock+0x2b/0x80 [ 3260.513146][ C2] sock_write_iter+0x3c1/0x520 [ 3260.513153][ C2] ? __up_write+0x1ad/0x530 [ 3260.513158][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3260.513165][ C2] ? ksys_write+0xf7/0x1d0 [ 3260.513173][ C2] vfs_write+0xc0c/0x1210 [ 3260.513177][ C2] ? ksys_write+0x137/0x1d0 [ 3260.513180][ C2] ? __lock_release+0x5d/0x170 [ 3260.513183][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3260.513187][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3260.513195][ C2] ksys_write+0x183/0x1d0 [ 3260.513198][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3260.513201][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3260.513209][ C2] do_syscall_64+0xc1/0x380 [ 3260.513214][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3260.513219][ C2] RIP: 0033:0x7f492fa5f337 [ 3260.513225][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3260.513228][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3260.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3260.513233][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3260.513235][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3260.513237][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3260.513239][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3260.513244][ C2] [ 3282.730476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3282.730798][ C2] rcu: 2-....: (1038764 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=223147 [ 3282.731312][ C2] rcu: (t=1040067 jiffies g=1296501 q=19113 ncpus=4) [ 3282.731549][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3282.731556][ C2] Tainted: [L]=SOFTLOCKUP [ 3282.731557][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3282.731559][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3282.731572][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3282.731575][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3282.731579][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3282.731581][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3282.731583][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3282.731585][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3282.731587][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3282.731589][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3282.731592][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3282.731595][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3282.731597][ C2] PKRU: 55555554 [ 3282.731599][ C2] Call Trace: [ 3282.731600][ C2] [ 3282.731602][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3282.731610][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3282.731616][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3282.731618][ C2] ? lock_acquire+0x10c/0x170 [ 3282.731623][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3282.731631][ C2] mptcp_try_fallback+0x14b/0x360 [ 3282.731634][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3282.731641][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3282.731643][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3282.731646][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3282.731651][ C2] __mptcp_retrans+0x42a/0x960 [ 3282.731657][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3282.731662][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3282.731671][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3282.731678][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3282.731681][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3282.731684][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3282.731687][ C2] ? lock_acquire+0x10c/0x170 [ 3282.731690][ C2] ? release_sock+0x1f/0x1d0 [ 3282.731697][ C2] release_sock+0x17f/0x1d0 [ 3282.731701][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3282.731708][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3282.731712][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3282.731716][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3282.731723][ C2] ? find_held_lock+0x2b/0x80 [ 3282.731727][ C2] sock_write_iter+0x3c1/0x520 [ 3282.731733][ C2] ? __up_write+0x1ad/0x530 [ 3282.731738][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3282.731745][ C2] ? ksys_write+0xf7/0x1d0 [ 3282.731753][ C2] vfs_write+0xc0c/0x1210 [ 3282.731756][ C2] ? ksys_write+0x137/0x1d0 [ 3282.731758][ C2] ? __lock_release+0x5d/0x170 [ 3282.731762][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3282.731766][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3282.731773][ C2] ksys_write+0x183/0x1d0 [ 3282.731776][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3282.731779][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3282.731787][ C2] do_syscall_64+0xc1/0x380 [ 3282.731791][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3282.731796][ C2] RIP: 0033:0x7f492fa5f337 [ 3282.731801][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3282.731803][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3282.731807][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3282.731809][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3282.731810][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3282.731812][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3282.731814][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3282.731820][ C2] [ 3290.544489][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1017849 jiffies s: 68497 root: 0x4/. [ 3290.545026][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3290.545251][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3290.545433][ C2] NMI backtrace for cpu 2 [ 3290.545445][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3290.545452][ C2] Tainted: [L]=SOFTLOCKUP [ 3290.545453][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3290.545456][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 3290.545475][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 3290.545478][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 3290.545482][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 3290.545484][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 3290.545486][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 3290.545488][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 3290.545490][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 3290.545492][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3290.545495][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3290.545498][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3290.545500][ C2] PKRU: 55555554 [ 3290.545502][ C2] Call Trace: [ 3290.545510][ C2] [ 3290.545512][ C2] ioapic_ack_level+0xcf/0x3d0 [ 3290.545522][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 3290.545536][ C2] __common_interrupt+0xad/0x1d0 [ 3290.545552][ C2] common_interrupt+0xb9/0xe0 [ 3290.545559][ C2] [ 3290.545560][ C2] [ 3290.545562][ C2] asm_common_interrupt+0x26/0x40 [ 3290.545568][ C2] RIP: 0010:kasan_check_range+0x4f/0x1c0 [ 3290.545574][ C2] Code: ff ff ff ff ff ff fe 48 39 c7 77 23 44 89 c2 e8 b7 e7 ff ff 83 f0 01 5b 5d 41 5c e9 0b fb 1a 02 48 b8 ff ff ff ff ff 7f ff ff <48> 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff [ 3290.545577][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 3290.545579][ C2] RAX: ffff7fffffffffff RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3290.545581][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3290.545583][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3290.545584][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3290.545586][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3290.545590][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 3290.545599][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3290.545604][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3290.545611][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3290.545616][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3290.545618][ C2] ? lock_acquire+0x10c/0x170 [ 3290.545623][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3290.545631][ C2] mptcp_try_fallback+0x14b/0x360 [ 3290.545636][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3290.545642][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3290.545645][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3290.545648][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3290.545653][ C2] __mptcp_retrans+0x42a/0x960 [ 3290.545659][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3290.545664][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3290.545672][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3290.545680][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3290.545683][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3290.545686][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3290.545689][ C2] ? lock_acquire+0x10c/0x170 [ 3290.545692][ C2] ? release_sock+0x1f/0x1d0 [ 3290.545698][ C2] release_sock+0x17f/0x1d0 [ 3290.545702][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3290.545710][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3290.545713][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3290.545717][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3290.545725][ C2] ? find_held_lock+0x2b/0x80 [ 3290.545729][ C2] sock_write_iter+0x3c1/0x520 [ 3290.545735][ C2] ? __up_write+0x1ad/0x530 [ 3290.545741][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3290.545748][ C2] ? ksys_write+0xf7/0x1d0 [ 3290.545755][ C2] vfs_write+0xc0c/0x1210 [ 3290.545759][ C2] ? ksys_write+0x137/0x1d0 [ 3290.545761][ C2] ? __lock_release+0x5d/0x170 [ 3290.545765][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3290.545768][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3290.545775][ C2] ksys_write+0x183/0x1d0 [ 3290.545779][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3290.545781][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3290.545789][ C2] do_syscall_64+0xc1/0x380 [ 3290.545793][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3290.545796][ C2] RIP: 0033:0x7f492fa5f337 [ 3290.545802][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3290.545804][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3290.545807][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3290.545809][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3290.545811][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3290.545813][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3290.545814][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3290.545820][ C2] [ 3316.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1002s! [mptcp_connect:16967] [ 3316.512920][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3316.512937][ C2] irq event stamp: 66996 [ 3316.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3316.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3316.512956][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3316.512964][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3316.512973][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3316.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 3316.512981][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3316.512984][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3316.512989][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3316.512992][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3316.512996][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3316.512998][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3316.513000][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3316.513002][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3316.513004][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3316.513006][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3316.513009][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3316.513013][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3316.513015][ C2] PKRU: 55555554 [ 3316.513016][ C2] Call Trace: [ 3316.513020][ C2] [ 3316.513026][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3316.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3316.513041][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3316.513044][ C2] ? lock_acquire+0x10c/0x170 [ 3316.513049][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3316.513054][ C2] mptcp_try_fallback+0x14b/0x360 [ 3316.513058][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3316.513065][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3316.513068][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3316.513071][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3316.513076][ C2] __mptcp_retrans+0x42a/0x960 [ 3316.513082][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3316.513087][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3316.513096][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3316.513104][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3316.513107][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3316.513110][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3316.513112][ C2] ? lock_acquire+0x10c/0x170 [ 3316.513115][ C2] ? release_sock+0x1f/0x1d0 [ 3316.513122][ C2] release_sock+0x17f/0x1d0 [ 3316.513126][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3316.513134][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3316.513138][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3316.513142][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3316.513150][ C2] ? find_held_lock+0x2b/0x80 [ 3316.513154][ C2] sock_write_iter+0x3c1/0x520 [ 3316.513160][ C2] ? __up_write+0x1ad/0x530 [ 3316.513166][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3316.513173][ C2] ? ksys_write+0xf7/0x1d0 [ 3316.513181][ C2] vfs_write+0xc0c/0x1210 [ 3316.513185][ C2] ? ksys_write+0x137/0x1d0 [ 3316.513188][ C2] ? __lock_release+0x5d/0x170 [ 3316.513192][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3316.513196][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3316.513203][ C2] ksys_write+0x183/0x1d0 [ 3316.513207][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3316.513209][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3316.513217][ C2] do_syscall_64+0xc1/0x380 [ 3316.513222][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3316.513227][ C2] RIP: 0033:0x7f492fa5f337 [ 3316.513233][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3316.513236][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3316.513239][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3316.513240][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3316.513242][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3316.513244][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3316.513246][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3316.513252][ C2] [ 3344.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1028s! [mptcp_connect:16967] [ 3344.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3344.512936][ C2] irq event stamp: 66996 [ 3344.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3344.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3344.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3344.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3344.512969][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3344.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 3344.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3344.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3344.512985][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3344.512988][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3344.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3344.512994][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3344.512995][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3344.512997][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3344.512999][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3344.513001][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3344.513003][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3344.513007][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3344.513009][ C2] PKRU: 55555554 [ 3344.513010][ C2] Call Trace: [ 3344.513015][ C2] [ 3344.513019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3344.513027][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3344.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3344.513037][ C2] ? lock_acquire+0x10c/0x170 [ 3344.513041][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3344.513046][ C2] mptcp_try_fallback+0x14b/0x360 [ 3344.513051][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3344.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3344.513060][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3344.513063][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3344.513068][ C2] __mptcp_retrans+0x42a/0x960 [ 3344.513074][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3344.513079][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3344.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3344.513096][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3344.513099][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3344.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3344.513104][ C2] ? lock_acquire+0x10c/0x170 [ 3344.513107][ C2] ? release_sock+0x1f/0x1d0 [ 3344.513114][ C2] release_sock+0x17f/0x1d0 [ 3344.513118][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3344.513127][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3344.513130][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3344.513134][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3344.513141][ C2] ? find_held_lock+0x2b/0x80 [ 3344.513145][ C2] sock_write_iter+0x3c1/0x520 [ 3344.513152][ C2] ? __up_write+0x1ad/0x530 [ 3344.513158][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3344.513164][ C2] ? ksys_write+0xf7/0x1d0 [ 3344.513173][ C2] vfs_write+0xc0c/0x1210 [ 3344.513177][ C2] ? ksys_write+0x137/0x1d0 [ 3344.513179][ C2] ? __lock_release+0x5d/0x170 [ 3344.513183][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3344.513187][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3344.513195][ C2] ksys_write+0x183/0x1d0 [ 3344.513198][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3344.513201][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3344.513209][ C2] do_syscall_64+0xc1/0x380 [ 3344.513214][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3344.513218][ C2] RIP: 0033:0x7f492fa5f337 [ 3344.513224][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3344.513227][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3344.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3344.513233][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3344.513235][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3344.513237][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3344.513239][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3344.513245][ C2] [ 3360.734476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3360.734793][ C2] rcu: 2-....: (1116699 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=240740 [ 3360.735177][ C2] rcu: (t=1118071 jiffies g=1296501 q=20584 ncpus=4) [ 3360.735538][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3360.735545][ C2] Tainted: [L]=SOFTLOCKUP [ 3360.735547][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3360.735549][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3360.735562][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3360.735566][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3360.735570][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3360.735572][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3360.735574][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3360.735576][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3360.735578][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3360.735580][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3360.735582][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3360.735586][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3360.735588][ C2] PKRU: 55555554 [ 3360.735589][ C2] Call Trace: [ 3360.735591][ C2] [ 3360.735594][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3360.735602][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3360.735608][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3360.735611][ C2] ? lock_acquire+0x10c/0x170 [ 3360.735616][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3360.735625][ C2] mptcp_try_fallback+0x14b/0x360 [ 3360.735629][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3360.735636][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3360.735638][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3360.735641][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3360.735647][ C2] __mptcp_retrans+0x42a/0x960 [ 3360.735652][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3360.735657][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3360.735667][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3360.735675][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3360.735678][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3360.735681][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3360.735684][ C2] ? lock_acquire+0x10c/0x170 [ 3360.735686][ C2] ? release_sock+0x1f/0x1d0 [ 3360.735693][ C2] release_sock+0x17f/0x1d0 [ 3360.735696][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3360.735704][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3360.735707][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3360.735711][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3360.735719][ C2] ? find_held_lock+0x2b/0x80 [ 3360.735723][ C2] sock_write_iter+0x3c1/0x520 [ 3360.735729][ C2] ? __up_write+0x1ad/0x530 [ 3360.735734][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3360.735741][ C2] ? ksys_write+0xf7/0x1d0 [ 3360.735749][ C2] vfs_write+0xc0c/0x1210 [ 3360.735752][ C2] ? ksys_write+0x137/0x1d0 [ 3360.735755][ C2] ? __lock_release+0x5d/0x170 [ 3360.735758][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3360.735762][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3360.735769][ C2] ksys_write+0x183/0x1d0 [ 3360.735772][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3360.735775][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3360.735783][ C2] do_syscall_64+0xc1/0x380 [ 3360.735787][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3360.735792][ C2] RIP: 0033:0x7f492fa5f337 [ 3360.735798][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3360.735800][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3360.735804][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3360.735806][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3360.735808][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3360.735810][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3360.735812][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3360.735818][ C2] [ 3388.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1069s! [mptcp_connect:16967] [ 3388.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3388.512933][ C2] irq event stamp: 66996 [ 3388.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3388.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3388.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3388.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3388.512968][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3388.512974][ C2] Tainted: [L]=SOFTLOCKUP [ 3388.512976][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3388.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3388.512984][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3388.512988][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3388.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3388.512994][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3388.512996][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3388.512998][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3388.513000][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3388.513003][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3388.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3388.513010][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3388.513012][ C2] PKRU: 55555554 [ 3388.513014][ C2] Call Trace: [ 3388.513017][ C2] [ 3388.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3388.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3388.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3388.513038][ C2] ? lock_acquire+0x10c/0x170 [ 3388.513043][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3388.513048][ C2] mptcp_try_fallback+0x14b/0x360 [ 3388.513052][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3388.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3388.513061][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3388.513064][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3388.513069][ C2] __mptcp_retrans+0x42a/0x960 [ 3388.513075][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3388.513080][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3388.513089][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3388.513097][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3388.513100][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3388.513103][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3388.513106][ C2] ? lock_acquire+0x10c/0x170 [ 3388.513109][ C2] ? release_sock+0x1f/0x1d0 [ 3388.513116][ C2] release_sock+0x17f/0x1d0 [ 3388.513120][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3388.513128][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3388.513132][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3388.513136][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3388.513143][ C2] ? find_held_lock+0x2b/0x80 [ 3388.513147][ C2] sock_write_iter+0x3c1/0x520 [ 3388.513154][ C2] ? __up_write+0x1ad/0x530 [ 3388.513160][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3388.513167][ C2] ? ksys_write+0xf7/0x1d0 [ 3388.513175][ C2] vfs_write+0xc0c/0x1210 [ 3388.513179][ C2] ? ksys_write+0x137/0x1d0 [ 3388.513182][ C2] ? __lock_release+0x5d/0x170 [ 3388.513186][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3388.513190][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3388.513197][ C2] ksys_write+0x183/0x1d0 [ 3388.513201][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3388.513204][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3388.513212][ C2] do_syscall_64+0xc1/0x380 [ 3388.513217][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3388.513222][ C2] RIP: 0033:0x7f492fa5f337 [ 3388.513228][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3388.513231][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3388.513234][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3388.513236][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3388.513238][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3388.513240][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3388.513242][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3388.513248][ C2] [ 3388.848492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1116153 jiffies s: 68497 root: 0x4/. [ 3388.849003][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3388.849289][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3388.849463][ C2] NMI backtrace for cpu 2 [ 3388.849474][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3388.849480][ C2] Tainted: [L]=SOFTLOCKUP [ 3388.849481][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3388.849484][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 3388.849495][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 3388.849499][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3388.849503][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3388.849505][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3388.849507][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3388.849510][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3388.849512][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3388.849514][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3388.849517][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3388.849520][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3388.849522][ C2] PKRU: 55555554 [ 3388.849524][ C2] Call Trace: [ 3388.849527][ C2] [ 3388.849531][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3388.849539][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3388.849545][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3388.849548][ C2] ? lock_acquire+0x10c/0x170 [ 3388.849553][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3388.849560][ C2] mptcp_try_fallback+0x14b/0x360 [ 3388.849564][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3388.849571][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3388.849573][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3388.849576][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3388.849581][ C2] __mptcp_retrans+0x42a/0x960 [ 3388.849587][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3388.849592][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3388.849600][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3388.849608][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3388.849610][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3388.849614][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3388.849616][ C2] ? lock_acquire+0x10c/0x170 [ 3388.849619][ C2] ? release_sock+0x1f/0x1d0 [ 3388.849626][ C2] release_sock+0x17f/0x1d0 [ 3388.849630][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3388.849637][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3388.849641][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3388.849645][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3388.849652][ C2] ? find_held_lock+0x2b/0x80 [ 3388.849656][ C2] sock_write_iter+0x3c1/0x520 [ 3388.849663][ C2] ? __up_write+0x1ad/0x530 [ 3388.849668][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3388.849675][ C2] ? ksys_write+0xf7/0x1d0 [ 3388.849683][ C2] vfs_write+0xc0c/0x1210 [ 3388.849686][ C2] ? ksys_write+0x137/0x1d0 [ 3388.849689][ C2] ? __lock_release+0x5d/0x170 [ 3388.849693][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3388.849697][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3388.849704][ C2] ksys_write+0x183/0x1d0 [ 3388.849707][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3388.849710][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3388.849717][ C2] do_syscall_64+0xc1/0x380 [ 3388.849722][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3388.849725][ C2] RIP: 0033:0x7f492fa5f337 [ 3388.849731][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3388.849734][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3388.849737][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3388.849739][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3388.849741][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3388.849743][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3388.849746][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3388.849752][ C2] [ 3416.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1095s! [mptcp_connect:16967] [ 3416.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3416.512935][ C2] irq event stamp: 66996 [ 3416.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3416.512957][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3416.512961][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3416.512968][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3416.512977][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3416.512983][ C2] Tainted: [L]=SOFTLOCKUP [ 3416.512985][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3416.512988][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3416.512993][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3416.512997][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3416.513000][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3416.513002][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3416.513004][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3416.513006][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3416.513008][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3416.513011][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3416.513014][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3416.513018][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3416.513020][ C2] PKRU: 55555554 [ 3416.513021][ C2] Call Trace: [ 3416.513025][ C2] [ 3416.513029][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3416.513037][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3416.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3416.513046][ C2] ? lock_acquire+0x10c/0x170 [ 3416.513050][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3416.513055][ C2] mptcp_try_fallback+0x14b/0x360 [ 3416.513060][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3416.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3416.513069][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3416.513072][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3416.513077][ C2] __mptcp_retrans+0x42a/0x960 [ 3416.513083][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3416.513089][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3416.513098][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3416.513106][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3416.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3416.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3416.513115][ C2] ? lock_acquire+0x10c/0x170 [ 3416.513118][ C2] ? release_sock+0x1f/0x1d0 [ 3416.513126][ C2] release_sock+0x17f/0x1d0 [ 3416.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3416.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3416.513141][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3416.513145][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3416.513152][ C2] ? find_held_lock+0x2b/0x80 [ 3416.513156][ C2] sock_write_iter+0x3c1/0x520 [ 3416.513163][ C2] ? __up_write+0x1ad/0x530 [ 3416.513169][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3416.513176][ C2] ? ksys_write+0xf7/0x1d0 [ 3416.513184][ C2] vfs_write+0xc0c/0x1210 [ 3416.513188][ C2] ? ksys_write+0x137/0x1d0 [ 3416.513190][ C2] ? __lock_release+0x5d/0x170 [ 3416.513194][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3416.513198][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3416.513205][ C2] ksys_write+0x183/0x1d0 [ 3416.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3416.513211][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3416.513219][ C2] do_syscall_64+0xc1/0x380 [ 3416.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3416.513229][ C2] RIP: 0033:0x7f492fa5f337 [ 3416.513235][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3416.513238][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3416.513241][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3416.513243][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3416.513245][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3416.513247][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3416.513249][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3416.513255][ C2] [ 3438.739477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3438.739798][ C2] rcu: 2-....: (1194641 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=267234 [ 3438.740179][ C2] rcu: (t=1196076 jiffies g=1296501 q=21968 ncpus=4) [ 3438.740545][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3438.740551][ C2] Tainted: [L]=SOFTLOCKUP [ 3438.740553][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3438.740556][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3438.740568][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3438.740572][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3438.740576][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3438.740578][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3438.740580][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3438.740582][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3438.740584][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3438.740586][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3438.740589][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3438.740593][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3438.740595][ C2] PKRU: 55555554 [ 3438.740597][ C2] Call Trace: [ 3438.740599][ C2] [ 3438.740601][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3438.740609][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3438.740615][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3438.740618][ C2] ? lock_acquire+0x10c/0x170 [ 3438.740623][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3438.740631][ C2] mptcp_try_fallback+0x14b/0x360 [ 3438.740634][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3438.740641][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3438.740644][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3438.740647][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3438.740652][ C2] __mptcp_retrans+0x42a/0x960 [ 3438.740658][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3438.740664][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3438.740672][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3438.740681][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3438.740684][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3438.740687][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3438.740689][ C2] ? lock_acquire+0x10c/0x170 [ 3438.740692][ C2] ? release_sock+0x1f/0x1d0 [ 3438.740699][ C2] release_sock+0x17f/0x1d0 [ 3438.740703][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3438.740710][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3438.740714][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3438.740718][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3438.740724][ C2] ? find_held_lock+0x2b/0x80 [ 3438.740729][ C2] sock_write_iter+0x3c1/0x520 [ 3438.740734][ C2] ? __up_write+0x1ad/0x530 [ 3438.740740][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3438.740747][ C2] ? ksys_write+0xf7/0x1d0 [ 3438.740754][ C2] vfs_write+0xc0c/0x1210 [ 3438.740757][ C2] ? ksys_write+0x137/0x1d0 [ 3438.740760][ C2] ? __lock_release+0x5d/0x170 [ 3438.740764][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3438.740767][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3438.740774][ C2] ksys_write+0x183/0x1d0 [ 3438.740778][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3438.740781][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3438.740789][ C2] do_syscall_64+0xc1/0x380 [ 3438.740793][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3438.740797][ C2] RIP: 0033:0x7f492fa5f337 [ 3438.740803][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3438.740806][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3438.740809][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3438.740811][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3438.740813][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3438.740815][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3438.740817][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3438.740823][ C2] [ 3464.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1140s! [mptcp_connect:16967] [ 3464.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3464.512935][ C2] irq event stamp: 66996 [ 3464.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3464.512950][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3464.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3464.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3464.512972][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3464.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 3464.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3464.512983][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3464.512988][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3464.512992][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3464.512995][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3464.512998][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3464.513000][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3464.513002][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3464.513005][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3464.513007][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3464.513010][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3464.513014][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3464.513016][ C2] PKRU: 55555554 [ 3464.513017][ C2] Call Trace: [ 3464.513021][ C2] [ 3464.513025][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3464.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3464.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3464.513042][ C2] ? lock_acquire+0x10c/0x170 [ 3464.513047][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3464.513051][ C2] mptcp_try_fallback+0x14b/0x360 [ 3464.513056][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3464.513063][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3464.513066][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3464.513069][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3464.513074][ C2] __mptcp_retrans+0x42a/0x960 [ 3464.513080][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3464.513085][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3464.513094][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3464.513102][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3464.513105][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3464.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3464.513111][ C2] ? lock_acquire+0x10c/0x170 [ 3464.513114][ C2] ? release_sock+0x1f/0x1d0 [ 3464.513121][ C2] release_sock+0x17f/0x1d0 [ 3464.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3464.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3464.513137][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3464.513141][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3464.513148][ C2] ? find_held_lock+0x2b/0x80 [ 3464.513153][ C2] sock_write_iter+0x3c1/0x520 [ 3464.513159][ C2] ? __up_write+0x1ad/0x530 [ 3464.513165][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3464.513172][ C2] ? ksys_write+0xf7/0x1d0 [ 3464.513179][ C2] vfs_write+0xc0c/0x1210 [ 3464.513183][ C2] ? ksys_write+0x137/0x1d0 [ 3464.513186][ C2] ? __lock_release+0x5d/0x170 [ 3464.513190][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3464.513194][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3464.513202][ C2] ksys_write+0x183/0x1d0 [ 3464.513205][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3464.513208][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3464.513216][ C2] do_syscall_64+0xc1/0x380 [ 3464.513221][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3464.513226][ C2] RIP: 0033:0x7f492fa5f337 [ 3464.513232][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3464.513235][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3464.513238][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3464.513241][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3464.513243][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3464.513245][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3464.513247][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3464.513253][ C2] [ 3487.152495][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1214457 jiffies s: 68497 root: 0x4/. [ 3487.153112][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3487.153348][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3487.153588][ C2] NMI backtrace for cpu 2 [ 3487.153602][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3487.153609][ C2] Tainted: [L]=SOFTLOCKUP [ 3487.153610][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3487.153613][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3487.153626][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3487.153629][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3487.153634][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3487.153637][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3487.153639][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3487.153641][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3487.153643][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3487.153646][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3487.153649][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3487.153653][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3487.153655][ C2] PKRU: 55555554 [ 3487.153657][ C2] Call Trace: [ 3487.153661][ C2] [ 3487.153666][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3487.153674][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3487.153681][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3487.153683][ C2] ? lock_acquire+0x10c/0x170 [ 3487.153689][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3487.153697][ C2] mptcp_try_fallback+0x14b/0x360 [ 3487.153701][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3487.153708][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3487.153710][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3487.153713][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3487.153719][ C2] __mptcp_retrans+0x42a/0x960 [ 3487.153724][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3487.153729][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3487.153738][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3487.153746][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3487.153749][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3487.153752][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3487.153755][ C2] ? lock_acquire+0x10c/0x170 [ 3487.153758][ C2] ? release_sock+0x1f/0x1d0 [ 3487.153765][ C2] release_sock+0x17f/0x1d0 [ 3487.153769][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3487.153777][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3487.153781][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3487.153785][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3487.153792][ C2] ? find_held_lock+0x2b/0x80 [ 3487.153796][ C2] sock_write_iter+0x3c1/0x520 [ 3487.153802][ C2] ? __up_write+0x1ad/0x530 [ 3487.153808][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3487.153815][ C2] ? ksys_write+0xf7/0x1d0 [ 3487.153823][ C2] vfs_write+0xc0c/0x1210 [ 3487.153827][ C2] ? ksys_write+0x137/0x1d0 [ 3487.153830][ C2] ? __lock_release+0x5d/0x170 [ 3487.153834][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3487.153837][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3487.153845][ C2] ksys_write+0x183/0x1d0 [ 3487.153848][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3487.153851][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3487.153860][ C2] do_syscall_64+0xc1/0x380 [ 3487.153864][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3487.153869][ C2] RIP: 0033:0x7f492fa5f337 [ 3487.153876][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3487.153879][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3487.153882][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3487.153885][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3487.153886][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3487.153888][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3487.153890][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3487.153896][ C2] [ 3512.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1185s! [mptcp_connect:16967] [ 3512.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3512.512936][ C2] irq event stamp: 66996 [ 3512.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3512.512953][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3512.512958][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3512.512965][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3512.512975][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3512.512981][ C2] Tainted: [L]=SOFTLOCKUP [ 3512.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3512.512985][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3512.512990][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3512.512994][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3512.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3512.513000][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3512.513002][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3512.513004][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3512.513006][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3512.513009][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3512.513011][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3512.513015][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3512.513017][ C2] PKRU: 55555554 [ 3512.513019][ C2] Call Trace: [ 3512.513023][ C2] [ 3512.513027][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3512.513035][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3512.513041][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3512.513044][ C2] ? lock_acquire+0x10c/0x170 [ 3512.513049][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3512.513054][ C2] mptcp_try_fallback+0x14b/0x360 [ 3512.513058][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3512.513065][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3512.513068][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3512.513071][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3512.513076][ C2] __mptcp_retrans+0x42a/0x960 [ 3512.513082][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3512.513088][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3512.513097][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3512.513105][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3512.513108][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3512.513111][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3512.513114][ C2] ? lock_acquire+0x10c/0x170 [ 3512.513117][ C2] ? release_sock+0x1f/0x1d0 [ 3512.513124][ C2] release_sock+0x17f/0x1d0 [ 3512.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3512.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3512.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3512.513145][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3512.513152][ C2] ? find_held_lock+0x2b/0x80 [ 3512.513156][ C2] sock_write_iter+0x3c1/0x520 [ 3512.513163][ C2] ? __up_write+0x1ad/0x530 [ 3512.513168][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3512.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 3512.513184][ C2] vfs_write+0xc0c/0x1210 [ 3512.513188][ C2] ? ksys_write+0x137/0x1d0 [ 3512.513191][ C2] ? __lock_release+0x5d/0x170 [ 3512.513195][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3512.513198][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3512.513206][ C2] ksys_write+0x183/0x1d0 [ 3512.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3512.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3512.513220][ C2] do_syscall_64+0xc1/0x380 [ 3512.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3512.513230][ C2] RIP: 0033:0x7f492fa5f337 [ 3512.513237][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3512.513239][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3512.513243][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3512.513245][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3512.513247][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3512.513249][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3512.513251][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3512.513257][ C2] [ 3516.744477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3516.744849][ C2] rcu: 2-....: (1272581 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=300022 [ 3516.745352][ C2] rcu: (t=1274081 jiffies g=1296501 q=23352 ncpus=4) [ 3516.745586][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3516.745594][ C2] Tainted: [L]=SOFTLOCKUP [ 3516.745595][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3516.745597][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3516.745609][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3516.745613][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3516.745617][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3516.745620][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3516.745622][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3516.745624][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3516.745626][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3516.745629][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3516.745631][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3516.745635][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3516.745637][ C2] PKRU: 55555554 [ 3516.745638][ C2] Call Trace: [ 3516.745640][ C2] [ 3516.745642][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3516.745650][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3516.745655][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3516.745658][ C2] ? lock_acquire+0x10c/0x170 [ 3516.745663][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3516.745671][ C2] mptcp_try_fallback+0x14b/0x360 [ 3516.745675][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3516.745681][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3516.745683][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3516.745686][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3516.745691][ C2] __mptcp_retrans+0x42a/0x960 [ 3516.745697][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3516.745702][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3516.745711][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3516.745719][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3516.745722][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3516.745725][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3516.745728][ C2] ? lock_acquire+0x10c/0x170 [ 3516.745731][ C2] ? release_sock+0x1f/0x1d0 [ 3516.745738][ C2] release_sock+0x17f/0x1d0 [ 3516.745741][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3516.745749][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3516.745753][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3516.745757][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3516.745763][ C2] ? find_held_lock+0x2b/0x80 [ 3516.745767][ C2] sock_write_iter+0x3c1/0x520 [ 3516.745774][ C2] ? __up_write+0x1ad/0x530 [ 3516.745779][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3516.745785][ C2] ? ksys_write+0xf7/0x1d0 [ 3516.745794][ C2] vfs_write+0xc0c/0x1210 [ 3516.745797][ C2] ? ksys_write+0x137/0x1d0 [ 3516.745799][ C2] ? __lock_release+0x5d/0x170 [ 3516.745803][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3516.745807][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3516.745814][ C2] ksys_write+0x183/0x1d0 [ 3516.745817][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3516.745820][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3516.745828][ C2] do_syscall_64+0xc1/0x380 [ 3516.745832][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3516.745836][ C2] RIP: 0033:0x7f492fa5f337 [ 3516.745841][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3516.745844][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3516.745847][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3516.745849][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3516.745851][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3516.745853][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3516.745855][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3516.745861][ C2] [ 3544.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1215s! [mptcp_connect:16967] [ 3544.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3544.512935][ C2] irq event stamp: 66996 [ 3544.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3544.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3544.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3544.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3544.512970][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3544.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 3544.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3544.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3544.512986][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3544.512990][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3544.512993][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3544.512996][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3544.512998][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3544.513000][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3544.513003][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3544.513005][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3544.513008][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3544.513013][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3544.513015][ C2] PKRU: 55555554 [ 3544.513016][ C2] Call Trace: [ 3544.513020][ C2] [ 3544.513024][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3544.513032][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3544.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3544.513041][ C2] ? lock_acquire+0x10c/0x170 [ 3544.513046][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3544.513051][ C2] mptcp_try_fallback+0x14b/0x360 [ 3544.513055][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3544.513062][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3544.513065][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3544.513068][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3544.513073][ C2] __mptcp_retrans+0x42a/0x960 [ 3544.513079][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3544.513084][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3544.513093][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3544.513101][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3544.513104][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3544.513107][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3544.513110][ C2] ? lock_acquire+0x10c/0x170 [ 3544.513113][ C2] ? release_sock+0x1f/0x1d0 [ 3544.513120][ C2] release_sock+0x17f/0x1d0 [ 3544.513124][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3544.513132][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3544.513136][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3544.513140][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3544.513147][ C2] ? find_held_lock+0x2b/0x80 [ 3544.513151][ C2] sock_write_iter+0x3c1/0x520 [ 3544.513158][ C2] ? __up_write+0x1ad/0x530 [ 3544.513164][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3544.513170][ C2] ? ksys_write+0xf7/0x1d0 [ 3544.513178][ C2] vfs_write+0xc0c/0x1210 [ 3544.513182][ C2] ? ksys_write+0x137/0x1d0 [ 3544.513185][ C2] ? __lock_release+0x5d/0x170 [ 3544.513189][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3544.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3544.513201][ C2] ksys_write+0x183/0x1d0 [ 3544.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3544.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3544.513215][ C2] do_syscall_64+0xc1/0x380 [ 3544.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3544.513225][ C2] RIP: 0033:0x7f492fa5f337 [ 3544.513230][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3544.513233][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3544.513237][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3544.513239][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3544.513241][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3544.513243][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3544.513245][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3544.513251][ C2] [ 3572.512909][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1241s! [mptcp_connect:16967] [ 3572.512921][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3572.512938][ C2] irq event stamp: 66996 [ 3572.512940][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3572.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3572.512957][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3572.512965][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3572.512974][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3572.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 3572.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3572.512984][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3572.512990][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3572.512993][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3572.512997][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3572.512999][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3572.513001][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3572.513003][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3572.513005][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3572.513007][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3572.513010][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3572.513014][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3572.513016][ C2] PKRU: 55555554 [ 3572.513017][ C2] Call Trace: [ 3572.513020][ C2] [ 3572.513025][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3572.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3572.513040][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3572.513043][ C2] ? lock_acquire+0x10c/0x170 [ 3572.513048][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3572.513053][ C2] mptcp_try_fallback+0x14b/0x360 [ 3572.513057][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3572.513064][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3572.513067][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3572.513069][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3572.513074][ C2] __mptcp_retrans+0x42a/0x960 [ 3572.513081][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3572.513086][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3572.513095][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3572.513103][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3572.513105][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3572.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3572.513111][ C2] ? lock_acquire+0x10c/0x170 [ 3572.513113][ C2] ? release_sock+0x1f/0x1d0 [ 3572.513121][ C2] release_sock+0x17f/0x1d0 [ 3572.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3572.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3572.513136][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3572.513140][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3572.513147][ C2] ? find_held_lock+0x2b/0x80 [ 3572.513152][ C2] sock_write_iter+0x3c1/0x520 [ 3572.513158][ C2] ? __up_write+0x1ad/0x530 [ 3572.513164][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3572.513171][ C2] ? ksys_write+0xf7/0x1d0 [ 3572.513178][ C2] vfs_write+0xc0c/0x1210 [ 3572.513183][ C2] ? ksys_write+0x137/0x1d0 [ 3572.513185][ C2] ? __lock_release+0x5d/0x170 [ 3572.513189][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3572.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3572.513201][ C2] ksys_write+0x183/0x1d0 [ 3572.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3572.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3572.513215][ C2] do_syscall_64+0xc1/0x380 [ 3572.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3572.513225][ C2] RIP: 0033:0x7f492fa5f337 [ 3572.513231][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3572.513234][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3572.513237][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3572.513239][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3572.513241][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3572.513243][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3572.513245][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3572.513251][ C2] [ 3585.456492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1312761 jiffies s: 68497 root: 0x4/. [ 3585.457057][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3585.457253][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3585.457429][ C2] NMI backtrace for cpu 2 [ 3585.457442][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3585.457448][ C2] Tainted: [L]=SOFTLOCKUP [ 3585.457450][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3585.457453][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3585.457465][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3585.457469][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3585.457474][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3585.457477][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3585.457479][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3585.457481][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3585.457483][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3585.457486][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3585.457488][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3585.457492][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3585.457494][ C2] PKRU: 55555554 [ 3585.457496][ C2] Call Trace: [ 3585.457499][ C2] [ 3585.457504][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3585.457512][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3585.457518][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3585.457521][ C2] ? lock_acquire+0x10c/0x170 [ 3585.457526][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3585.457533][ C2] mptcp_try_fallback+0x14b/0x360 [ 3585.457537][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3585.457544][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3585.457546][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3585.457549][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3585.457554][ C2] __mptcp_retrans+0x42a/0x960 [ 3585.457561][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3585.457566][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3585.457575][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3585.457583][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3585.457586][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3585.457589][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3585.457591][ C2] ? lock_acquire+0x10c/0x170 [ 3585.457594][ C2] ? release_sock+0x1f/0x1d0 [ 3585.457602][ C2] release_sock+0x17f/0x1d0 [ 3585.457606][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3585.457614][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3585.457618][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3585.457622][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3585.457629][ C2] ? find_held_lock+0x2b/0x80 [ 3585.457633][ C2] sock_write_iter+0x3c1/0x520 [ 3585.457640][ C2] ? __up_write+0x1ad/0x530 [ 3585.457646][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3585.457652][ C2] ? ksys_write+0xf7/0x1d0 [ 3585.457660][ C2] vfs_write+0xc0c/0x1210 [ 3585.457664][ C2] ? ksys_write+0x137/0x1d0 [ 3585.457667][ C2] ? __lock_release+0x5d/0x170 [ 3585.457671][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3585.457675][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3585.457682][ C2] ksys_write+0x183/0x1d0 [ 3585.457686][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3585.457688][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3585.457696][ C2] do_syscall_64+0xc1/0x380 [ 3585.457701][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3585.457706][ C2] RIP: 0033:0x7f492fa5f337 [ 3585.457711][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3585.457714][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3585.457717][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3585.457719][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3585.457721][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3585.457723][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3585.457725][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3585.457731][ C2] [ 3594.749476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3594.749822][ C2] rcu: 2-....: (1350523 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=328166 [ 3594.750344][ C2] rcu: (t=1352086 jiffies g=1296501 q=24736 ncpus=4) [ 3594.750594][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3594.750601][ C2] Tainted: [L]=SOFTLOCKUP [ 3594.750602][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3594.750605][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3594.750617][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3594.750620][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3594.750624][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3594.750626][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3594.750628][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3594.750630][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3594.750633][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3594.750635][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3594.750637][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3594.750641][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3594.750643][ C2] PKRU: 55555554 [ 3594.750645][ C2] Call Trace: [ 3594.750646][ C2] [ 3594.750648][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3594.750657][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3594.750662][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3594.750665][ C2] ? lock_acquire+0x10c/0x170 [ 3594.750670][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3594.750678][ C2] mptcp_try_fallback+0x14b/0x360 [ 3594.750682][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3594.750688][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3594.750690][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3594.750693][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3594.750698][ C2] __mptcp_retrans+0x42a/0x960 [ 3594.750703][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3594.750709][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3594.750717][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3594.750725][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3594.750729][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3594.750732][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3594.750735][ C2] ? lock_acquire+0x10c/0x170 [ 3594.750738][ C2] ? release_sock+0x1f/0x1d0 [ 3594.750745][ C2] release_sock+0x17f/0x1d0 [ 3594.750748][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3594.750756][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3594.750760][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3594.750763][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3594.750770][ C2] ? find_held_lock+0x2b/0x80 [ 3594.750774][ C2] sock_write_iter+0x3c1/0x520 [ 3594.750781][ C2] ? __up_write+0x1ad/0x530 [ 3594.750787][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3594.750793][ C2] ? ksys_write+0xf7/0x1d0 [ 3594.750801][ C2] vfs_write+0xc0c/0x1210 [ 3594.750804][ C2] ? ksys_write+0x137/0x1d0 [ 3594.750807][ C2] ? __lock_release+0x5d/0x170 [ 3594.750810][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3594.750814][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3594.750821][ C2] ksys_write+0x183/0x1d0 [ 3594.750824][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3594.750827][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3594.750836][ C2] do_syscall_64+0xc1/0x380 [ 3594.750840][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3594.750844][ C2] RIP: 0033:0x7f492fa5f337 [ 3594.750850][ C2] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 3594.750852][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3594.750855][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3594.750857][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3594.750859][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3594.750861][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3594.750863][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3594.750869][ C2] [ 3620.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1285s! [mptcp_connect:16967] [ 3620.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3620.512937][ C2] irq event stamp: 66996 [ 3620.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3620.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3620.512956][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3620.512963][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3620.512973][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3620.512979][ C2] Tainted: [L]=SOFTLOCKUP [ 3620.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3620.512983][ C2] RIP: 0010:kasan_check_range+0x4f/0x1c0 [ 3620.512991][ C2] Code: ff ff ff ff ff ff fe 48 39 c7 77 23 44 89 c2 e8 b7 e7 ff ff 83 f0 01 5b 5d 41 5c e9 0b fb 1a 02 48 b8 ff ff ff ff ff 7f ff ff <48> 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff [ 3620.512995][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 3620.512998][ C2] RAX: ffff7fffffffffff RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3620.513001][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3620.513003][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3620.513005][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3620.513007][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3620.513009][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3620.513012][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3620.513016][ C2] CR2: 00007fff6e7bb608 CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3620.513018][ C2] PKRU: 55555554 [ 3620.513019][ C2] Call Trace: [ 3620.513024][ C2] [ 3620.513029][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3620.513035][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3620.513042][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3620.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3620.513050][ C2] ? lock_acquire+0x10c/0x170 [ 3620.513055][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3620.513060][ C2] mptcp_try_fallback+0x14b/0x360 [ 3620.513064][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3620.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3620.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3620.513076][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3620.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 3620.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3620.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3620.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3620.513109][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3620.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3620.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3620.513118][ C2] ? lock_acquire+0x10c/0x170 [ 3620.513121][ C2] ? release_sock+0x1f/0x1d0 [ 3620.513129][ C2] release_sock+0x17f/0x1d0 [ 3620.513132][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3620.513140][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3620.513144][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3620.513148][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3620.513155][ C2] ? find_held_lock+0x2b/0x80 [ 3620.513159][ C2] sock_write_iter+0x3c1/0x520 [ 3620.513165][ C2] ? __up_write+0x1ad/0x530 [ 3620.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3620.513178][ C2] ? ksys_write+0xf7/0x1d0 [ 3620.513185][ C2] vfs_write+0xc0c/0x1210 [ 3620.513189][ C2] ? ksys_write+0x137/0x1d0 [ 3620.513191][ C2] ? __lock_release+0x5d/0x170 [ 3620.513195][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3620.513199][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3620.513206][ C2] ksys_write+0x183/0x1d0 [ 3620.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3620.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3620.513220][ C2] do_syscall_64+0xc1/0x380 [ 3620.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3620.513229][ C2] RIP: 0033:0x7f492fa5f337 [ 3620.513249][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3620.513250][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3620.513253][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3620.513255][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3620.513257][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3620.513259][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3620.513261][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3620.513267][ C2] [ 3648.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1311s! [mptcp_connect:16967] [ 3648.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3648.512936][ C2] irq event stamp: 66996 [ 3648.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3648.512950][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3648.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3648.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3648.512971][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3648.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 3648.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3648.512983][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3648.512988][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3648.512992][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3648.512995][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3648.512998][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3648.513000][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3648.513002][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3648.513004][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3648.513006][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3648.513009][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3648.513013][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3648.513015][ C2] PKRU: 55555554 [ 3648.513016][ C2] Call Trace: [ 3648.513020][ C2] [ 3648.513025][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3648.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3648.513040][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3648.513043][ C2] ? lock_acquire+0x10c/0x170 [ 3648.513048][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3648.513053][ C2] mptcp_try_fallback+0x14b/0x360 [ 3648.513057][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3648.513064][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3648.513067][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3648.513070][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3648.513075][ C2] __mptcp_retrans+0x42a/0x960 [ 3648.513081][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3648.513087][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3648.513095][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3648.513103][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3648.513106][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3648.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3648.513112][ C2] ? lock_acquire+0x10c/0x170 [ 3648.513114][ C2] ? release_sock+0x1f/0x1d0 [ 3648.513121][ C2] release_sock+0x17f/0x1d0 [ 3648.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3648.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3648.513136][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3648.513140][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3648.513147][ C2] ? find_held_lock+0x2b/0x80 [ 3648.513151][ C2] sock_write_iter+0x3c1/0x520 [ 3648.513157][ C2] ? __up_write+0x1ad/0x530 [ 3648.513163][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3648.513170][ C2] ? ksys_write+0xf7/0x1d0 [ 3648.513179][ C2] vfs_write+0xc0c/0x1210 [ 3648.513183][ C2] ? ksys_write+0x137/0x1d0 [ 3648.513186][ C2] ? __lock_release+0x5d/0x170 [ 3648.513189][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3648.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3648.513201][ C2] ksys_write+0x183/0x1d0 [ 3648.513205][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3648.513208][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3648.513216][ C2] do_syscall_64+0xc1/0x380 [ 3648.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3648.513226][ C2] RIP: 0033:0x7f492fa5f337 [ 3648.513236][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3648.513238][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3648.513241][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3648.513243][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3648.513245][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3648.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3648.513250][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3648.513256][ C2] [ 3672.754476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3672.754915][ C2] rcu: 2-....: (1428477 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=357095 [ 3672.755416][ C2] rcu: (t=1430091 jiffies g=1296501 q=28291 ncpus=4) [ 3672.755658][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3672.755665][ C2] Tainted: [L]=SOFTLOCKUP [ 3672.755667][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3672.755670][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3672.755682][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3672.755686][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3672.755691][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3672.755693][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3672.755695][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3672.755697][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3672.755699][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3672.755702][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3672.755705][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3672.755708][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3672.755710][ C2] PKRU: 55555554 [ 3672.755712][ C2] Call Trace: [ 3672.755713][ C2] [ 3672.755715][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3672.755723][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3672.755729][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3672.755732][ C2] ? lock_acquire+0x10c/0x170 [ 3672.755737][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3672.755745][ C2] mptcp_try_fallback+0x14b/0x360 [ 3672.755749][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3672.755755][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3672.755758][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3672.755761][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3672.755767][ C2] __mptcp_retrans+0x42a/0x960 [ 3672.755772][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3672.755779][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3672.755788][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3672.755796][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3672.755798][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3672.755801][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3672.755804][ C2] ? lock_acquire+0x10c/0x170 [ 3672.755807][ C2] ? release_sock+0x1f/0x1d0 [ 3672.755815][ C2] release_sock+0x17f/0x1d0 [ 3672.755818][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3672.755825][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3672.755829][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3672.755833][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3672.755840][ C2] ? find_held_lock+0x2b/0x80 [ 3672.755844][ C2] sock_write_iter+0x3c1/0x520 [ 3672.755850][ C2] ? __up_write+0x1ad/0x530 [ 3672.755855][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3672.755862][ C2] ? ksys_write+0xf7/0x1d0 [ 3672.755870][ C2] vfs_write+0xc0c/0x1210 [ 3672.755874][ C2] ? ksys_write+0x137/0x1d0 [ 3672.755876][ C2] ? __lock_release+0x5d/0x170 [ 3672.755880][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3672.755884][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3672.755891][ C2] ksys_write+0x183/0x1d0 [ 3672.755894][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3672.755897][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3672.755904][ C2] do_syscall_64+0xc1/0x380 [ 3672.755909][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3672.755913][ C2] RIP: 0033:0x7f492fa5f337 [ 3672.755923][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3672.755925][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3672.755928][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3672.755930][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3672.755932][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3672.755935][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3672.755936][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3672.755942][ C2] [ 3683.760492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1411065 jiffies s: 68497 root: 0x4/. [ 3683.760960][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3683.761160][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3683.761445][ C2] NMI backtrace for cpu 2 [ 3683.761457][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3683.761464][ C2] Tainted: [L]=SOFTLOCKUP [ 3683.761465][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3683.761468][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 3683.761481][ C2] Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 01 00 [ 3683.761485][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 3683.761489][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 3683.761492][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3683.761494][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3683.761497][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3683.761498][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3683.761501][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3683.761503][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3683.761508][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3683.761509][ C2] PKRU: 55555554 [ 3683.761511][ C2] Call Trace: [ 3683.761515][ C2] [ 3683.761519][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3683.761530][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3683.761537][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3683.761542][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3683.761545][ C2] ? lock_acquire+0x10c/0x170 [ 3683.761550][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3683.761558][ C2] mptcp_try_fallback+0x14b/0x360 [ 3683.761563][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3683.761569][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3683.761572][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3683.761575][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3683.761580][ C2] __mptcp_retrans+0x42a/0x960 [ 3683.761586][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3683.761592][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3683.761600][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3683.761608][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3683.761611][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3683.761614][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3683.761616][ C2] ? lock_acquire+0x10c/0x170 [ 3683.761619][ C2] ? release_sock+0x1f/0x1d0 [ 3683.761627][ C2] release_sock+0x17f/0x1d0 [ 3683.761630][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3683.761638][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3683.761642][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3683.761646][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3683.761652][ C2] ? find_held_lock+0x2b/0x80 [ 3683.761656][ C2] sock_write_iter+0x3c1/0x520 [ 3683.761663][ C2] ? __up_write+0x1ad/0x530 [ 3683.761668][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3683.761674][ C2] ? ksys_write+0xf7/0x1d0 [ 3683.761681][ C2] vfs_write+0xc0c/0x1210 [ 3683.761685][ C2] ? ksys_write+0x137/0x1d0 [ 3683.761688][ C2] ? __lock_release+0x5d/0x170 [ 3683.761692][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3683.761696][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3683.761703][ C2] ksys_write+0x183/0x1d0 [ 3683.761707][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3683.761709][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3683.761717][ C2] do_syscall_64+0xc1/0x380 [ 3683.761722][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3683.761728][ C2] RIP: 0033:0x7f492fa5f337 [ 3683.761737][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3683.761739][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3683.761743][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3683.761745][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3683.761747][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3683.761749][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3683.761751][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3683.761757][ C2] [ 3708.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1367s! [mptcp_connect:16967] [ 3708.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3708.512935][ C2] irq event stamp: 66996 [ 3708.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3708.512950][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3708.512955][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3708.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3708.512971][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3708.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 3708.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3708.512982][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3708.512987][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3708.512991][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3708.512994][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3708.512997][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3708.512999][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3708.513001][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3708.513003][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3708.513006][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3708.513009][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3708.513013][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3708.513015][ C2] PKRU: 55555554 [ 3708.513017][ C2] Call Trace: [ 3708.513020][ C2] [ 3708.513025][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3708.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3708.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3708.513042][ C2] ? lock_acquire+0x10c/0x170 [ 3708.513047][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3708.513052][ C2] mptcp_try_fallback+0x14b/0x360 [ 3708.513056][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3708.513063][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3708.513065][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3708.513069][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3708.513074][ C2] __mptcp_retrans+0x42a/0x960 [ 3708.513080][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3708.513085][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3708.513094][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3708.513102][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3708.513105][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3708.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3708.513111][ C2] ? lock_acquire+0x10c/0x170 [ 3708.513114][ C2] ? release_sock+0x1f/0x1d0 [ 3708.513121][ C2] release_sock+0x17f/0x1d0 [ 3708.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3708.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3708.513137][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3708.513141][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3708.513147][ C2] ? find_held_lock+0x2b/0x80 [ 3708.513151][ C2] sock_write_iter+0x3c1/0x520 [ 3708.513158][ C2] ? __up_write+0x1ad/0x530 [ 3708.513163][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3708.513170][ C2] ? ksys_write+0xf7/0x1d0 [ 3708.513178][ C2] vfs_write+0xc0c/0x1210 [ 3708.513183][ C2] ? ksys_write+0x137/0x1d0 [ 3708.513185][ C2] ? __lock_release+0x5d/0x170 [ 3708.513189][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3708.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3708.513201][ C2] ksys_write+0x183/0x1d0 [ 3708.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3708.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3708.513215][ C2] do_syscall_64+0xc1/0x380 [ 3708.513219][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3708.513224][ C2] RIP: 0033:0x7f492fa5f337 [ 3708.513235][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3708.513236][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3708.513240][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3708.513242][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3708.513244][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3708.513246][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3708.513248][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3708.513254][ C2] [ 3736.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1393s! [mptcp_connect:16967] [ 3736.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3736.512934][ C2] irq event stamp: 66996 [ 3736.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3736.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3736.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3736.512960][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3736.512968][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3736.512975][ C2] Tainted: [L]=SOFTLOCKUP [ 3736.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3736.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3736.512984][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3736.512988][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3736.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3736.512993][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3736.512995][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3736.512998][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3736.513000][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3736.513002][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3736.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3736.513010][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3736.513012][ C2] PKRU: 55555554 [ 3736.513013][ C2] Call Trace: [ 3736.513017][ C2] [ 3736.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3736.513030][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3736.513037][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3736.513040][ C2] ? lock_acquire+0x10c/0x170 [ 3736.513045][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3736.513049][ C2] mptcp_try_fallback+0x14b/0x360 [ 3736.513054][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3736.513061][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3736.513063][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3736.513066][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3736.513072][ C2] __mptcp_retrans+0x42a/0x960 [ 3736.513078][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3736.513083][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3736.513092][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3736.513099][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3736.513102][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3736.513105][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3736.513108][ C2] ? lock_acquire+0x10c/0x170 [ 3736.513111][ C2] ? release_sock+0x1f/0x1d0 [ 3736.513118][ C2] release_sock+0x17f/0x1d0 [ 3736.513122][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3736.513130][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3736.513133][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3736.513137][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3736.513144][ C2] ? find_held_lock+0x2b/0x80 [ 3736.513148][ C2] sock_write_iter+0x3c1/0x520 [ 3736.513154][ C2] ? __up_write+0x1ad/0x530 [ 3736.513160][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3736.513166][ C2] ? ksys_write+0xf7/0x1d0 [ 3736.513174][ C2] vfs_write+0xc0c/0x1210 [ 3736.513178][ C2] ? ksys_write+0x137/0x1d0 [ 3736.513180][ C2] ? __lock_release+0x5d/0x170 [ 3736.513184][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3736.513188][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3736.513196][ C2] ksys_write+0x183/0x1d0 [ 3736.513199][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3736.513202][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3736.513210][ C2] do_syscall_64+0xc1/0x380 [ 3736.513215][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3736.513221][ C2] RIP: 0033:0x7f492fa5f337 [ 3736.513231][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3736.513232][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3736.513235][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3736.513237][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3736.513239][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3736.513241][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3736.513243][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3736.513249][ C2] [ 3750.759476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3750.759859][ C2] rcu: 2-....: (1506421 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=386861 [ 3750.760357][ C2] rcu: (t=1508096 jiffies g=1296501 q=29639 ncpus=4) [ 3750.760610][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3750.760617][ C2] Tainted: [L]=SOFTLOCKUP [ 3750.760619][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3750.760622][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3750.760634][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3750.760638][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3750.760642][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3750.760645][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3750.760647][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3750.760649][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3750.760651][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3750.760653][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3750.760656][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3750.760660][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3750.760661][ C2] PKRU: 55555554 [ 3750.760663][ C2] Call Trace: [ 3750.760664][ C2] [ 3750.760667][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3750.760675][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3750.760681][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3750.760684][ C2] ? lock_acquire+0x10c/0x170 [ 3750.760689][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3750.760697][ C2] mptcp_try_fallback+0x14b/0x360 [ 3750.760701][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3750.760707][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3750.760709][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3750.760712][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3750.760718][ C2] __mptcp_retrans+0x42a/0x960 [ 3750.760724][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3750.760729][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3750.760737][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3750.760746][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3750.760748][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3750.760752][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3750.760754][ C2] ? lock_acquire+0x10c/0x170 [ 3750.760757][ C2] ? release_sock+0x1f/0x1d0 [ 3750.760765][ C2] release_sock+0x17f/0x1d0 [ 3750.760768][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3750.760776][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3750.760780][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3750.760784][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3750.760791][ C2] ? find_held_lock+0x2b/0x80 [ 3750.760795][ C2] sock_write_iter+0x3c1/0x520 [ 3750.760801][ C2] ? __up_write+0x1ad/0x530 [ 3750.760807][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3750.760813][ C2] ? ksys_write+0xf7/0x1d0 [ 3750.760821][ C2] vfs_write+0xc0c/0x1210 [ 3750.760824][ C2] ? ksys_write+0x137/0x1d0 [ 3750.760827][ C2] ? __lock_release+0x5d/0x170 [ 3750.760831][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3750.760835][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3750.760842][ C2] ksys_write+0x183/0x1d0 [ 3750.760845][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3750.760848][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3750.760856][ C2] do_syscall_64+0xc1/0x380 [ 3750.760860][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3750.760864][ C2] RIP: 0033:0x7f492fa5f337 [ 3750.760875][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3750.760877][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3750.760880][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3750.760882][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3750.760883][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3750.760885][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3750.760887][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3750.760893][ C2] [ 3776.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1431s! [mptcp_connect:16967] [ 3776.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3776.512933][ C2] irq event stamp: 66996 [ 3776.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3776.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3776.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3776.512960][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3776.512969][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3776.512975][ C2] Tainted: [L]=SOFTLOCKUP [ 3776.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3776.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3776.512984][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3776.512988][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3776.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3776.512994][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3776.512996][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3776.512999][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3776.513000][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3776.513003][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3776.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3776.513010][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3776.513012][ C2] PKRU: 55555554 [ 3776.513013][ C2] Call Trace: [ 3776.513017][ C2] [ 3776.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3776.513030][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3776.513036][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3776.513038][ C2] ? lock_acquire+0x10c/0x170 [ 3776.513043][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3776.513048][ C2] mptcp_try_fallback+0x14b/0x360 [ 3776.513053][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3776.513061][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3776.513064][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3776.513067][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3776.513072][ C2] __mptcp_retrans+0x42a/0x960 [ 3776.513078][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3776.513083][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3776.513092][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3776.513100][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3776.513103][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3776.513106][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3776.513109][ C2] ? lock_acquire+0x10c/0x170 [ 3776.513112][ C2] ? release_sock+0x1f/0x1d0 [ 3776.513119][ C2] release_sock+0x17f/0x1d0 [ 3776.513122][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3776.513130][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3776.513134][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3776.513138][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3776.513145][ C2] ? find_held_lock+0x2b/0x80 [ 3776.513149][ C2] sock_write_iter+0x3c1/0x520 [ 3776.513156][ C2] ? __up_write+0x1ad/0x530 [ 3776.513162][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3776.513169][ C2] ? ksys_write+0xf7/0x1d0 [ 3776.513176][ C2] vfs_write+0xc0c/0x1210 [ 3776.513180][ C2] ? ksys_write+0x137/0x1d0 [ 3776.513182][ C2] ? __lock_release+0x5d/0x170 [ 3776.513187][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3776.513190][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3776.513198][ C2] ksys_write+0x183/0x1d0 [ 3776.513202][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3776.513204][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3776.513213][ C2] do_syscall_64+0xc1/0x380 [ 3776.513218][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3776.513222][ C2] RIP: 0033:0x7f492fa5f337 [ 3776.513233][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3776.513234][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3776.513238][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3776.513240][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3776.513241][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3776.513243][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3776.513245][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3776.513252][ C2] [ 3782.064493][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1509369 jiffies s: 68497 root: 0x4/. [ 3782.065022][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3782.065217][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3782.065500][ C2] NMI backtrace for cpu 2 [ 3782.065511][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3782.065517][ C2] Tainted: [L]=SOFTLOCKUP [ 3782.065520][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3782.065522][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3782.065534][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3782.065537][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3782.065541][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3782.065543][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3782.065545][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3782.065547][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3782.065549][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3782.065551][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3782.065554][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3782.065557][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3782.065560][ C2] PKRU: 55555554 [ 3782.065561][ C2] Call Trace: [ 3782.065564][ C2] [ 3782.065570][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3782.065577][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3782.065584][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3782.065587][ C2] ? lock_acquire+0x10c/0x170 [ 3782.065592][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3782.065600][ C2] mptcp_try_fallback+0x14b/0x360 [ 3782.065604][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3782.065610][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3782.065613][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3782.065616][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3782.065621][ C2] __mptcp_retrans+0x42a/0x960 [ 3782.065627][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3782.065632][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3782.065641][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3782.065648][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3782.065651][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3782.065654][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3782.065657][ C2] ? lock_acquire+0x10c/0x170 [ 3782.065660][ C2] ? release_sock+0x1f/0x1d0 [ 3782.065666][ C2] release_sock+0x17f/0x1d0 [ 3782.065670][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3782.065677][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3782.065681][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3782.065685][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3782.065692][ C2] ? find_held_lock+0x2b/0x80 [ 3782.065696][ C2] sock_write_iter+0x3c1/0x520 [ 3782.065703][ C2] ? __up_write+0x1ad/0x530 [ 3782.065709][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3782.065716][ C2] ? ksys_write+0xf7/0x1d0 [ 3782.065723][ C2] vfs_write+0xc0c/0x1210 [ 3782.065727][ C2] ? ksys_write+0x137/0x1d0 [ 3782.065730][ C2] ? __lock_release+0x5d/0x170 [ 3782.065733][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3782.065737][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3782.065744][ C2] ksys_write+0x183/0x1d0 [ 3782.065747][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3782.065749][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3782.065758][ C2] do_syscall_64+0xc1/0x380 [ 3782.065762][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3782.065767][ C2] RIP: 0033:0x7f492fa5f337 [ 3782.065776][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3782.065778][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3782.065781][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3782.065783][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3782.065785][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3782.065787][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3782.065789][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3782.065795][ C2] [ 3808.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1460s! [mptcp_connect:16967] [ 3808.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3808.512935][ C2] irq event stamp: 66996 [ 3808.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3808.512951][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3808.512955][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3808.512963][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3808.512971][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3808.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 3808.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3808.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3808.512987][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3808.512990][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3808.512994][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3808.512996][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3808.512998][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3808.513000][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3808.513002][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3808.513004][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3808.513007][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3808.513011][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3808.513013][ C2] PKRU: 55555554 [ 3808.513014][ C2] Call Trace: [ 3808.513018][ C2] [ 3808.513023][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3808.513031][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3808.513037][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3808.513040][ C2] ? lock_acquire+0x10c/0x170 [ 3808.513044][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3808.513049][ C2] mptcp_try_fallback+0x14b/0x360 [ 3808.513053][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3808.513060][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3808.513063][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3808.513066][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3808.513071][ C2] __mptcp_retrans+0x42a/0x960 [ 3808.513077][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3808.513083][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3808.513092][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3808.513100][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3808.513103][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3808.513106][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3808.513109][ C2] ? lock_acquire+0x10c/0x170 [ 3808.513112][ C2] ? release_sock+0x1f/0x1d0 [ 3808.513119][ C2] release_sock+0x17f/0x1d0 [ 3808.513123][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3808.513131][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3808.513134][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3808.513138][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3808.513145][ C2] ? find_held_lock+0x2b/0x80 [ 3808.513150][ C2] sock_write_iter+0x3c1/0x520 [ 3808.513157][ C2] ? __up_write+0x1ad/0x530 [ 3808.513164][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3808.513170][ C2] ? ksys_write+0xf7/0x1d0 [ 3808.513179][ C2] vfs_write+0xc0c/0x1210 [ 3808.513183][ C2] ? ksys_write+0x137/0x1d0 [ 3808.513185][ C2] ? __lock_release+0x5d/0x170 [ 3808.513189][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3808.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3808.513201][ C2] ksys_write+0x183/0x1d0 [ 3808.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3808.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3808.513215][ C2] do_syscall_64+0xc1/0x380 [ 3808.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3808.513225][ C2] RIP: 0033:0x7f492fa5f337 [ 3808.513236][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3808.513238][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3808.513241][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3808.513243][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3808.513245][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3808.513247][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3808.513249][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3808.513255][ C2] [ 3828.764477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3828.764802][ C2] rcu: 2-....: (1584365 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=418327 [ 3828.765337][ C2] rcu: (t=1586101 jiffies g=1296501 q=30984 ncpus=4) [ 3828.765571][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3828.765577][ C2] Tainted: [L]=SOFTLOCKUP [ 3828.765579][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3828.765582][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3828.765594][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3828.765597][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3828.765601][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3828.765604][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3828.765606][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3828.765608][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3828.765610][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3828.765612][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3828.765614][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3828.765618][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3828.765620][ C2] PKRU: 55555554 [ 3828.765622][ C2] Call Trace: [ 3828.765623][ C2] [ 3828.765625][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3828.765633][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3828.765639][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3828.765642][ C2] ? lock_acquire+0x10c/0x170 [ 3828.765647][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3828.765655][ C2] mptcp_try_fallback+0x14b/0x360 [ 3828.765659][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3828.765665][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3828.765668][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3828.765671][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3828.765676][ C2] __mptcp_retrans+0x42a/0x960 [ 3828.765682][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3828.765687][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3828.765697][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3828.765705][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3828.765707][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3828.765710][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3828.765713][ C2] ? lock_acquire+0x10c/0x170 [ 3828.765716][ C2] ? release_sock+0x1f/0x1d0 [ 3828.765723][ C2] release_sock+0x17f/0x1d0 [ 3828.765727][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3828.765734][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3828.765738][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3828.765742][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3828.765748][ C2] ? find_held_lock+0x2b/0x80 [ 3828.765752][ C2] sock_write_iter+0x3c1/0x520 [ 3828.765758][ C2] ? __up_write+0x1ad/0x530 [ 3828.765764][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3828.765770][ C2] ? ksys_write+0xf7/0x1d0 [ 3828.765779][ C2] vfs_write+0xc0c/0x1210 [ 3828.765783][ C2] ? ksys_write+0x137/0x1d0 [ 3828.765786][ C2] ? __lock_release+0x5d/0x170 [ 3828.765789][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3828.765793][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3828.765800][ C2] ksys_write+0x183/0x1d0 [ 3828.765804][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3828.765806][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3828.765814][ C2] do_syscall_64+0xc1/0x380 [ 3828.765819][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3828.765823][ C2] RIP: 0033:0x7f492fa5f337 [ 3828.765834][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3828.765835][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3828.765838][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3828.765841][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3828.765843][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3828.765845][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3828.765847][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3828.765853][ C2] [ 3856.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1505s! [mptcp_connect:16967] [ 3856.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3856.512935][ C2] irq event stamp: 66996 [ 3856.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3856.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3856.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3856.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3856.512971][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3856.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 3856.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3856.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3856.512986][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3856.512990][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3856.512993][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3856.512995][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3856.512997][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3856.512999][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3856.513001][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3856.513004][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3856.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3856.513010][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3856.513013][ C2] PKRU: 55555554 [ 3856.513014][ C2] Call Trace: [ 3856.513018][ C2] [ 3856.513023][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3856.513031][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3856.513037][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3856.513039][ C2] ? lock_acquire+0x10c/0x170 [ 3856.513044][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3856.513049][ C2] mptcp_try_fallback+0x14b/0x360 [ 3856.513055][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3856.513062][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3856.513065][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3856.513068][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3856.513073][ C2] __mptcp_retrans+0x42a/0x960 [ 3856.513079][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3856.513084][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3856.513093][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3856.513101][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3856.513104][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3856.513107][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3856.513110][ C2] ? lock_acquire+0x10c/0x170 [ 3856.513113][ C2] ? release_sock+0x1f/0x1d0 [ 3856.513121][ C2] release_sock+0x17f/0x1d0 [ 3856.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3856.513132][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3856.513136][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3856.513139][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3856.513146][ C2] ? find_held_lock+0x2b/0x80 [ 3856.513150][ C2] sock_write_iter+0x3c1/0x520 [ 3856.513156][ C2] ? __up_write+0x1ad/0x530 [ 3856.513162][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3856.513169][ C2] ? ksys_write+0xf7/0x1d0 [ 3856.513177][ C2] vfs_write+0xc0c/0x1210 [ 3856.513181][ C2] ? ksys_write+0x137/0x1d0 [ 3856.513184][ C2] ? __lock_release+0x5d/0x170 [ 3856.513188][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3856.513192][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3856.513199][ C2] ksys_write+0x183/0x1d0 [ 3856.513203][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3856.513206][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3856.513214][ C2] do_syscall_64+0xc1/0x380 [ 3856.513219][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3856.513224][ C2] RIP: 0033:0x7f492fa5f337 [ 3856.513234][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3856.513236][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3856.513240][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3856.513242][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3856.513244][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3856.513247][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3856.513248][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3856.513255][ C2] [ 3880.367496][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1607672 jiffies s: 68497 root: 0x4/. [ 3880.367961][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3880.368249][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3880.368421][ C2] NMI backtrace for cpu 2 [ 3880.368433][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3880.368441][ C2] Tainted: [L]=SOFTLOCKUP [ 3880.368442][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3880.368444][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 3880.368455][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 3880.368459][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 3880.368463][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 3880.368466][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 3880.368467][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 3880.368470][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 3880.368473][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 3880.368475][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3880.368478][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3880.368482][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3880.368483][ C2] PKRU: 55555554 [ 3880.368485][ C2] Call Trace: [ 3880.368489][ C2] [ 3880.368491][ C2] ioapic_ack_level+0xcf/0x3d0 [ 3880.368502][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 3880.368511][ C2] __common_interrupt+0xad/0x1d0 [ 3880.368518][ C2] common_interrupt+0xb9/0xe0 [ 3880.368526][ C2] [ 3880.368527][ C2] [ 3880.368529][ C2] asm_common_interrupt+0x26/0x40 [ 3880.368535][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3880.368542][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3880.368544][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3880.368547][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3880.368549][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3880.368551][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3880.368553][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3880.368555][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3880.368559][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 3880.368565][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3880.368572][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3880.368577][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3880.368580][ C2] ? lock_acquire+0x10c/0x170 [ 3880.368585][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3880.368593][ C2] mptcp_try_fallback+0x14b/0x360 [ 3880.368597][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3880.368604][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3880.368607][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3880.368610][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3880.368615][ C2] __mptcp_retrans+0x42a/0x960 [ 3880.368621][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3880.368626][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3880.368634][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3880.368642][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3880.368645][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3880.368648][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3880.368651][ C2] ? lock_acquire+0x10c/0x170 [ 3880.368654][ C2] ? release_sock+0x1f/0x1d0 [ 3880.368660][ C2] release_sock+0x17f/0x1d0 [ 3880.368664][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3880.368672][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3880.368676][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3880.368680][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3880.368686][ C2] ? find_held_lock+0x2b/0x80 [ 3880.368690][ C2] sock_write_iter+0x3c1/0x520 [ 3880.368697][ C2] ? __up_write+0x1ad/0x530 [ 3880.368702][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3880.368709][ C2] ? ksys_write+0xf7/0x1d0 [ 3880.368716][ C2] vfs_write+0xc0c/0x1210 [ 3880.368720][ C2] ? ksys_write+0x137/0x1d0 [ 3880.368723][ C2] ? __lock_release+0x5d/0x170 [ 3880.368727][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3880.368731][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3880.368739][ C2] ksys_write+0x183/0x1d0 [ 3880.368742][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3880.368745][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3880.368753][ C2] do_syscall_64+0xc1/0x380 [ 3880.368757][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3880.368761][ C2] RIP: 0033:0x7f492fa5f337 [ 3880.368771][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3880.368773][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3880.368776][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3880.368778][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3880.368781][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3880.368783][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3880.368784][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3880.368790][ C2] [ 3904.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1550s! [mptcp_connect:16967] [ 3904.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3904.512937][ C2] irq event stamp: 66996 [ 3904.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3904.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3904.512956][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3904.512965][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3904.512974][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3904.512981][ C2] Tainted: [L]=SOFTLOCKUP [ 3904.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3904.512985][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3904.512990][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3904.512994][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3904.512997][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3904.513000][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3904.513002][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3904.513004][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3904.513006][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3904.513008][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3904.513011][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3904.513015][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3904.513018][ C2] PKRU: 55555554 [ 3904.513019][ C2] Call Trace: [ 3904.513023][ C2] [ 3904.513028][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3904.513036][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3904.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3904.513046][ C2] ? lock_acquire+0x10c/0x170 [ 3904.513050][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3904.513055][ C2] mptcp_try_fallback+0x14b/0x360 [ 3904.513060][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3904.513066][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3904.513069][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3904.513072][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3904.513077][ C2] __mptcp_retrans+0x42a/0x960 [ 3904.513083][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3904.513089][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3904.513098][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3904.513106][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3904.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3904.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3904.513115][ C2] ? lock_acquire+0x10c/0x170 [ 3904.513118][ C2] ? release_sock+0x1f/0x1d0 [ 3904.513126][ C2] release_sock+0x17f/0x1d0 [ 3904.513130][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3904.513138][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3904.513141][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3904.513145][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3904.513152][ C2] ? find_held_lock+0x2b/0x80 [ 3904.513156][ C2] sock_write_iter+0x3c1/0x520 [ 3904.513162][ C2] ? __up_write+0x1ad/0x530 [ 3904.513168][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3904.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 3904.513183][ C2] vfs_write+0xc0c/0x1210 [ 3904.513187][ C2] ? ksys_write+0x137/0x1d0 [ 3904.513189][ C2] ? __lock_release+0x5d/0x170 [ 3904.513193][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3904.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3904.513205][ C2] ksys_write+0x183/0x1d0 [ 3904.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3904.513211][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3904.513219][ C2] do_syscall_64+0xc1/0x380 [ 3904.513225][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3904.513230][ C2] RIP: 0033:0x7f492fa5f337 [ 3904.513240][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3904.513242][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3904.513245][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3904.513247][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3904.513249][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3904.513251][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3904.513252][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3904.513259][ C2] [ 3906.769475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3906.769844][ C2] rcu: 2-....: (1662305 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=446552 [ 3906.770351][ C2] rcu: (t=1664106 jiffies g=1296501 q=32410 ncpus=4) [ 3906.770584][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3906.770590][ C2] Tainted: [L]=SOFTLOCKUP [ 3906.770592][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3906.770594][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3906.770607][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3906.770611][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3906.770615][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3906.770617][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3906.770619][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3906.770622][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3906.770623][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3906.770626][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3906.770629][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3906.770633][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3906.770635][ C2] PKRU: 55555554 [ 3906.770636][ C2] Call Trace: [ 3906.770638][ C2] [ 3906.770640][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3906.770648][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3906.770654][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3906.770656][ C2] ? lock_acquire+0x10c/0x170 [ 3906.770661][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3906.770669][ C2] mptcp_try_fallback+0x14b/0x360 [ 3906.770672][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3906.770679][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3906.770681][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3906.770684][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3906.770689][ C2] __mptcp_retrans+0x42a/0x960 [ 3906.770695][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3906.770700][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3906.770709][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3906.770716][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3906.770719][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3906.770723][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3906.770725][ C2] ? lock_acquire+0x10c/0x170 [ 3906.770728][ C2] ? release_sock+0x1f/0x1d0 [ 3906.770736][ C2] release_sock+0x17f/0x1d0 [ 3906.770740][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3906.770747][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3906.770751][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3906.770755][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3906.770762][ C2] ? find_held_lock+0x2b/0x80 [ 3906.770766][ C2] sock_write_iter+0x3c1/0x520 [ 3906.770772][ C2] ? __up_write+0x1ad/0x530 [ 3906.770777][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3906.770784][ C2] ? ksys_write+0xf7/0x1d0 [ 3906.770792][ C2] vfs_write+0xc0c/0x1210 [ 3906.770795][ C2] ? ksys_write+0x137/0x1d0 [ 3906.770798][ C2] ? __lock_release+0x5d/0x170 [ 3906.770801][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3906.770805][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3906.770813][ C2] ksys_write+0x183/0x1d0 [ 3906.770816][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3906.770819][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3906.770827][ C2] do_syscall_64+0xc1/0x380 [ 3906.770831][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3906.770835][ C2] RIP: 0033:0x7f492fa5f337 [ 3906.770845][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3906.770847][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3906.770850][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3906.770852][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3906.770854][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3906.770856][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3906.770858][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3906.770864][ C2] [ 3932.512917][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1576s! [mptcp_connect:16967] [ 3932.512927][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3932.512945][ C2] irq event stamp: 66996 [ 3932.512947][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3932.512961][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3932.512965][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3932.512972][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3932.512981][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3932.512987][ C2] Tainted: [L]=SOFTLOCKUP [ 3932.512989][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3932.512991][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 3932.513000][ C2] Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 01 00 [ 3932.513003][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 3932.513007][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 3932.513009][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3932.513011][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3932.513014][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3932.513015][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3932.513018][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3932.513020][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3932.513024][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3932.513026][ C2] PKRU: 55555554 [ 3932.513027][ C2] Call Trace: [ 3932.513031][ C2] [ 3932.513036][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3932.513042][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3932.513049][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3932.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3932.513057][ C2] ? lock_acquire+0x10c/0x170 [ 3932.513062][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3932.513067][ C2] mptcp_try_fallback+0x14b/0x360 [ 3932.513071][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3932.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3932.513081][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3932.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3932.513089][ C2] __mptcp_retrans+0x42a/0x960 [ 3932.513095][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3932.513100][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3932.513109][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3932.513117][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3932.513120][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3932.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3932.513126][ C2] ? lock_acquire+0x10c/0x170 [ 3932.513128][ C2] ? release_sock+0x1f/0x1d0 [ 3932.513135][ C2] release_sock+0x17f/0x1d0 [ 3932.513139][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3932.513147][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3932.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3932.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3932.513161][ C2] ? find_held_lock+0x2b/0x80 [ 3932.513165][ C2] sock_write_iter+0x3c1/0x520 [ 3932.513171][ C2] ? __up_write+0x1ad/0x530 [ 3932.513177][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3932.513183][ C2] ? ksys_write+0xf7/0x1d0 [ 3932.513190][ C2] vfs_write+0xc0c/0x1210 [ 3932.513194][ C2] ? ksys_write+0x137/0x1d0 [ 3932.513196][ C2] ? __lock_release+0x5d/0x170 [ 3932.513200][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3932.513204][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3932.513211][ C2] ksys_write+0x183/0x1d0 [ 3932.513215][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3932.513217][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3932.513226][ C2] do_syscall_64+0xc1/0x380 [ 3932.513231][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3932.513236][ C2] RIP: 0033:0x7f492fa5f337 [ 3932.513246][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3932.513248][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3932.513251][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3932.513253][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3932.513254][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3932.513256][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3932.513258][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3932.513264][ C2] [ 3960.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1602s! [mptcp_connect:16967] [ 3960.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 3960.512936][ C2] irq event stamp: 66996 [ 3960.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3960.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3960.512957][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 3960.512964][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 3960.512974][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3960.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 3960.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3960.512985][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3960.512990][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3960.512994][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3960.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3960.513000][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3960.513002][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3960.513004][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3960.513006][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3960.513008][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3960.513011][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3960.513014][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3960.513016][ C2] PKRU: 55555554 [ 3960.513018][ C2] Call Trace: [ 3960.513022][ C2] [ 3960.513027][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3960.513035][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3960.513041][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3960.513044][ C2] ? lock_acquire+0x10c/0x170 [ 3960.513049][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3960.513054][ C2] mptcp_try_fallback+0x14b/0x360 [ 3960.513059][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3960.513066][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3960.513068][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3960.513071][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3960.513076][ C2] __mptcp_retrans+0x42a/0x960 [ 3960.513082][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3960.513087][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3960.513097][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3960.513104][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3960.513107][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3960.513110][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3960.513113][ C2] ? lock_acquire+0x10c/0x170 [ 3960.513116][ C2] ? release_sock+0x1f/0x1d0 [ 3960.513124][ C2] release_sock+0x17f/0x1d0 [ 3960.513128][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3960.513136][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3960.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3960.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3960.513150][ C2] ? find_held_lock+0x2b/0x80 [ 3960.513154][ C2] sock_write_iter+0x3c1/0x520 [ 3960.513161][ C2] ? __up_write+0x1ad/0x530 [ 3960.513166][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3960.513172][ C2] ? ksys_write+0xf7/0x1d0 [ 3960.513180][ C2] vfs_write+0xc0c/0x1210 [ 3960.513185][ C2] ? ksys_write+0x137/0x1d0 [ 3960.513187][ C2] ? __lock_release+0x5d/0x170 [ 3960.513191][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3960.513195][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3960.513202][ C2] ksys_write+0x183/0x1d0 [ 3960.513206][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3960.513209][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3960.513217][ C2] do_syscall_64+0xc1/0x380 [ 3960.513222][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3960.513227][ C2] RIP: 0033:0x7f492fa5f337 [ 3960.513237][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3960.513239][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3960.513242][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3960.513244][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3960.513246][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3960.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3960.513250][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3960.513256][ C2] [ 3978.671514][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1705976 jiffies s: 68497 root: 0x4/. [ 3978.672233][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3978.672719][ T17] Sending NMI from CPU 1 to CPUs 2: [ 3978.672982][ C2] NMI backtrace for cpu 2 [ 3978.672992][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3978.672999][ C2] Tainted: [L]=SOFTLOCKUP [ 3978.673001][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3978.673003][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3978.673016][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3978.673019][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3978.673024][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3978.673026][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3978.673028][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3978.673030][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3978.673032][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3978.673035][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3978.673037][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3978.673041][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3978.673043][ C2] PKRU: 55555554 [ 3978.673045][ C2] Call Trace: [ 3978.673047][ C2] [ 3978.673052][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3978.673060][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3978.673066][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3978.673069][ C2] ? lock_acquire+0x10c/0x170 [ 3978.673074][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3978.673082][ C2] mptcp_try_fallback+0x14b/0x360 [ 3978.673086][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3978.673092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3978.673095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3978.673099][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3978.673104][ C2] __mptcp_retrans+0x42a/0x960 [ 3978.673109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3978.673115][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3978.673123][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3978.673131][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3978.673134][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3978.673137][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3978.673140][ C2] ? lock_acquire+0x10c/0x170 [ 3978.673143][ C2] ? release_sock+0x1f/0x1d0 [ 3978.673150][ C2] release_sock+0x17f/0x1d0 [ 3978.673154][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3978.673162][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3978.673166][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3978.673170][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3978.673177][ C2] ? find_held_lock+0x2b/0x80 [ 3978.673182][ C2] sock_write_iter+0x3c1/0x520 [ 3978.673188][ C2] ? __up_write+0x1ad/0x530 [ 3978.673194][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3978.673201][ C2] ? ksys_write+0xf7/0x1d0 [ 3978.673208][ C2] vfs_write+0xc0c/0x1210 [ 3978.673213][ C2] ? ksys_write+0x137/0x1d0 [ 3978.673215][ C2] ? __lock_release+0x5d/0x170 [ 3978.673220][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3978.673223][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3978.673231][ C2] ksys_write+0x183/0x1d0 [ 3978.673234][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3978.673237][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3978.673245][ C2] do_syscall_64+0xc1/0x380 [ 3978.673250][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3978.673255][ C2] RIP: 0033:0x7f492fa5f337 [ 3978.673264][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3978.673266][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3978.673269][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3978.673271][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3978.673273][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3978.673274][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3978.673276][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3978.673282][ C2] [ 3984.774477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3984.774876][ C2] rcu: 2-....: (1740249 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=478031 [ 3984.775375][ C2] rcu: (t=1742111 jiffies g=1296501 q=33758 ncpus=4) [ 3984.775623][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3984.775630][ C2] Tainted: [L]=SOFTLOCKUP [ 3984.775631][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3984.775633][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3984.775646][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3984.775649][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 3984.775653][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 3984.775656][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 3984.775658][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 3984.775660][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 3984.775662][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 3984.775664][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 3984.775666][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3984.775670][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 3984.775672][ C2] PKRU: 55555554 [ 3984.775673][ C2] Call Trace: [ 3984.775674][ C2] [ 3984.775677][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3984.775684][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3984.775690][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3984.775693][ C2] ? lock_acquire+0x10c/0x170 [ 3984.775698][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3984.775706][ C2] mptcp_try_fallback+0x14b/0x360 [ 3984.775709][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3984.775716][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3984.775718][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3984.775721][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3984.775726][ C2] __mptcp_retrans+0x42a/0x960 [ 3984.775732][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3984.775737][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3984.775746][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3984.775754][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3984.775757][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3984.775760][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3984.775763][ C2] ? lock_acquire+0x10c/0x170 [ 3984.775766][ C2] ? release_sock+0x1f/0x1d0 [ 3984.775773][ C2] release_sock+0x17f/0x1d0 [ 3984.775776][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3984.775783][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3984.775787][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3984.775791][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3984.775798][ C2] ? find_held_lock+0x2b/0x80 [ 3984.775802][ C2] sock_write_iter+0x3c1/0x520 [ 3984.775808][ C2] ? __up_write+0x1ad/0x530 [ 3984.775813][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3984.775820][ C2] ? ksys_write+0xf7/0x1d0 [ 3984.775828][ C2] vfs_write+0xc0c/0x1210 [ 3984.775831][ C2] ? ksys_write+0x137/0x1d0 [ 3984.775833][ C2] ? __lock_release+0x5d/0x170 [ 3984.775837][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3984.775841][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3984.775848][ C2] ksys_write+0x183/0x1d0 [ 3984.775851][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3984.775854][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3984.775862][ C2] do_syscall_64+0xc1/0x380 [ 3984.775867][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3984.775871][ C2] RIP: 0033:0x7f492fa5f337 [ 3984.775882][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 3984.775883][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3984.775887][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 3984.775889][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 3984.775891][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 3984.775893][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 3984.775895][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 3984.775901][ C2] [ 4012.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1650s! [mptcp_connect:16967] [ 4012.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4012.512936][ C2] irq event stamp: 66996 [ 4012.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4012.512951][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4012.512956][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4012.512963][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4012.512973][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4012.512979][ C2] Tainted: [L]=SOFTLOCKUP [ 4012.512981][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4012.512983][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4012.512989][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4012.512992][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4012.512995][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4012.512997][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4012.512999][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4012.513001][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4012.513003][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4012.513006][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4012.513008][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4012.513013][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4012.513015][ C2] PKRU: 55555554 [ 4012.513016][ C2] Call Trace: [ 4012.513020][ C2] [ 4012.513025][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4012.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4012.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4012.513042][ C2] ? lock_acquire+0x10c/0x170 [ 4012.513047][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4012.513051][ C2] mptcp_try_fallback+0x14b/0x360 [ 4012.513056][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4012.513063][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4012.513065][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4012.513068][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4012.513073][ C2] __mptcp_retrans+0x42a/0x960 [ 4012.513079][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4012.513085][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4012.513094][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4012.513102][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4012.513105][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4012.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4012.513111][ C2] ? lock_acquire+0x10c/0x170 [ 4012.513114][ C2] ? release_sock+0x1f/0x1d0 [ 4012.513121][ C2] release_sock+0x17f/0x1d0 [ 4012.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4012.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4012.513136][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4012.513140][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4012.513147][ C2] ? find_held_lock+0x2b/0x80 [ 4012.513151][ C2] sock_write_iter+0x3c1/0x520 [ 4012.513158][ C2] ? __up_write+0x1ad/0x530 [ 4012.513164][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4012.513171][ C2] ? ksys_write+0xf7/0x1d0 [ 4012.513179][ C2] vfs_write+0xc0c/0x1210 [ 4012.513183][ C2] ? ksys_write+0x137/0x1d0 [ 4012.513185][ C2] ? __lock_release+0x5d/0x170 [ 4012.513189][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4012.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4012.513201][ C2] ksys_write+0x183/0x1d0 [ 4012.513205][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4012.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4012.513215][ C2] do_syscall_64+0xc1/0x380 [ 4012.513221][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4012.513226][ C2] RIP: 0033:0x7f492fa5f337 [ 4012.513235][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4012.513237][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4012.513240][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4012.513242][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4012.513244][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4012.513246][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4012.513248][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4012.513254][ C2] [ 4040.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1677s! [mptcp_connect:16967] [ 4040.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4040.512934][ C2] irq event stamp: 66996 [ 4040.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4040.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4040.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4040.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4040.512969][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4040.512975][ C2] Tainted: [L]=SOFTLOCKUP [ 4040.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4040.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4040.512986][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4040.512990][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4040.512993][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4040.512995][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4040.512997][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4040.512999][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4040.513002][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4040.513004][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4040.513007][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4040.513011][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4040.513013][ C2] PKRU: 55555554 [ 4040.513014][ C2] Call Trace: [ 4040.513019][ C2] [ 4040.513023][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4040.513031][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4040.513037][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4040.513040][ C2] ? lock_acquire+0x10c/0x170 [ 4040.513045][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4040.513050][ C2] mptcp_try_fallback+0x14b/0x360 [ 4040.513055][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4040.513062][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4040.513064][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4040.513067][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4040.513072][ C2] __mptcp_retrans+0x42a/0x960 [ 4040.513078][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4040.513084][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4040.513093][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4040.513101][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4040.513104][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4040.513107][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4040.513110][ C2] ? lock_acquire+0x10c/0x170 [ 4040.513113][ C2] ? release_sock+0x1f/0x1d0 [ 4040.513121][ C2] release_sock+0x17f/0x1d0 [ 4040.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4040.513132][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4040.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4040.513144][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4040.513151][ C2] ? find_held_lock+0x2b/0x80 [ 4040.513156][ C2] sock_write_iter+0x3c1/0x520 [ 4040.513162][ C2] ? __up_write+0x1ad/0x530 [ 4040.513168][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4040.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 4040.513183][ C2] vfs_write+0xc0c/0x1210 [ 4040.513187][ C2] ? ksys_write+0x137/0x1d0 [ 4040.513190][ C2] ? __lock_release+0x5d/0x170 [ 4040.513194][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4040.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4040.513205][ C2] ksys_write+0x183/0x1d0 [ 4040.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4040.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4040.513220][ C2] do_syscall_64+0xc1/0x380 [ 4040.513225][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4040.513229][ C2] RIP: 0033:0x7f492fa5f337 [ 4040.513240][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4040.513242][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4040.513245][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4040.513247][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4040.513249][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4040.513251][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4040.513253][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4040.513259][ C2] [ 4062.779478][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4062.779881][ C2] rcu: 2-....: (1818207 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=507598 [ 4062.780376][ C2] rcu: (t=1820116 jiffies g=1296501 q=34784 ncpus=4) [ 4062.780617][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4062.780624][ C2] Tainted: [L]=SOFTLOCKUP [ 4062.780626][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4062.780629][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4062.780641][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4062.780645][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4062.780649][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4062.780651][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4062.780653][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4062.780656][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4062.780657][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4062.780660][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4062.780662][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4062.780666][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4062.780668][ C2] PKRU: 55555554 [ 4062.780669][ C2] Call Trace: [ 4062.780671][ C2] [ 4062.780673][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4062.780681][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4062.780687][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4062.780690][ C2] ? lock_acquire+0x10c/0x170 [ 4062.780694][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4062.780703][ C2] mptcp_try_fallback+0x14b/0x360 [ 4062.780707][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4062.780713][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4062.780716][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4062.780719][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4062.780724][ C2] __mptcp_retrans+0x42a/0x960 [ 4062.780730][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4062.780735][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4062.780744][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4062.780752][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4062.780754][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4062.780757][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4062.780760][ C2] ? lock_acquire+0x10c/0x170 [ 4062.780763][ C2] ? release_sock+0x1f/0x1d0 [ 4062.780770][ C2] release_sock+0x17f/0x1d0 [ 4062.780774][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4062.780781][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4062.780785][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4062.780789][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4062.780796][ C2] ? find_held_lock+0x2b/0x80 [ 4062.780801][ C2] sock_write_iter+0x3c1/0x520 [ 4062.780807][ C2] ? __up_write+0x1ad/0x530 [ 4062.780812][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4062.780819][ C2] ? ksys_write+0xf7/0x1d0 [ 4062.780827][ C2] vfs_write+0xc0c/0x1210 [ 4062.780830][ C2] ? ksys_write+0x137/0x1d0 [ 4062.780832][ C2] ? __lock_release+0x5d/0x170 [ 4062.780836][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4062.780840][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4062.780847][ C2] ksys_write+0x183/0x1d0 [ 4062.780851][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4062.780853][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4062.780861][ C2] do_syscall_64+0xc1/0x380 [ 4062.780866][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4062.780870][ C2] RIP: 0033:0x7f492fa5f337 [ 4062.780880][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4062.780882][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4062.780885][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4062.780887][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4062.780889][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4062.780891][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4062.780894][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4062.780900][ C2] [ 4076.976491][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1804281 jiffies s: 68497 root: 0x4/. [ 4076.977105][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4076.977299][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4076.977473][ C2] NMI backtrace for cpu 2 [ 4076.977486][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4076.977492][ C2] Tainted: [L]=SOFTLOCKUP [ 4076.977494][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4076.977497][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4076.977510][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4076.977513][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4076.977518][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4076.977520][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4076.977522][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4076.977524][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4076.977526][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4076.977528][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4076.977531][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4076.977534][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4076.977536][ C2] PKRU: 55555554 [ 4076.977537][ C2] Call Trace: [ 4076.977541][ C2] [ 4076.977545][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4076.977552][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4076.977558][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4076.977561][ C2] ? lock_acquire+0x10c/0x170 [ 4076.977565][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4076.977574][ C2] mptcp_try_fallback+0x14b/0x360 [ 4076.977578][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4076.977585][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4076.977587][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4076.977591][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4076.977596][ C2] __mptcp_retrans+0x42a/0x960 [ 4076.977601][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4076.977606][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4076.977615][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4076.977623][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4076.977625][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4076.977628][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4076.977631][ C2] ? lock_acquire+0x10c/0x170 [ 4076.977634][ C2] ? release_sock+0x1f/0x1d0 [ 4076.977641][ C2] release_sock+0x17f/0x1d0 [ 4076.977645][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4076.977652][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4076.977656][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4076.977660][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4076.977667][ C2] ? find_held_lock+0x2b/0x80 [ 4076.977671][ C2] sock_write_iter+0x3c1/0x520 [ 4076.977678][ C2] ? __up_write+0x1ad/0x530 [ 4076.977683][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4076.977690][ C2] ? ksys_write+0xf7/0x1d0 [ 4076.977698][ C2] vfs_write+0xc0c/0x1210 [ 4076.977702][ C2] ? ksys_write+0x137/0x1d0 [ 4076.977704][ C2] ? __lock_release+0x5d/0x170 [ 4076.977708][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4076.977712][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4076.977719][ C2] ksys_write+0x183/0x1d0 [ 4076.977723][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4076.977726][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4076.977734][ C2] do_syscall_64+0xc1/0x380 [ 4076.977739][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4076.977744][ C2] RIP: 0033:0x7f492fa5f337 [ 4076.977754][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4076.977756][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4076.977759][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4076.977761][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4076.977763][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4076.977765][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4076.977767][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4076.977773][ C2] [ 4104.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1736s! [mptcp_connect:16967] [ 4104.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4104.512937][ C2] irq event stamp: 66996 [ 4104.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4104.512953][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4104.512957][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4104.512964][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4104.512974][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4104.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 4104.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4104.512984][ C2] RIP: 0010:kasan_check_range+0x77/0x1c0 [ 4104.512994][ C2] Code: ff ff 48 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 <48> 89 e8 49 8d 59 01 48 89 da 48 29 ea 48 83 fa 10 0f 8e c0 00 00 [ 4104.512997][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000286 [ 4104.513001][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4104.513003][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4104.513005][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4104.513007][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4104.513009][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4104.513011][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4104.513014][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4104.513017][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4104.513019][ C2] PKRU: 55555554 [ 4104.513021][ C2] Call Trace: [ 4104.513024][ C2] [ 4104.513029][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4104.513035][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4104.513042][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4104.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4104.513051][ C2] ? lock_acquire+0x10c/0x170 [ 4104.513055][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4104.513060][ C2] mptcp_try_fallback+0x14b/0x360 [ 4104.513065][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4104.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4104.513074][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4104.513077][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4104.513082][ C2] __mptcp_retrans+0x42a/0x960 [ 4104.513089][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4104.513094][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4104.513103][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4104.513112][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4104.513114][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4104.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4104.513120][ C2] ? lock_acquire+0x10c/0x170 [ 4104.513123][ C2] ? release_sock+0x1f/0x1d0 [ 4104.513130][ C2] release_sock+0x17f/0x1d0 [ 4104.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4104.513143][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4104.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4104.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4104.513157][ C2] ? find_held_lock+0x2b/0x80 [ 4104.513161][ C2] sock_write_iter+0x3c1/0x520 [ 4104.513167][ C2] ? __up_write+0x1ad/0x530 [ 4104.513173][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4104.513179][ C2] ? ksys_write+0xf7/0x1d0 [ 4104.513187][ C2] vfs_write+0xc0c/0x1210 [ 4104.513191][ C2] ? ksys_write+0x137/0x1d0 [ 4104.513193][ C2] ? __lock_release+0x5d/0x170 [ 4104.513197][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4104.513201][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4104.513209][ C2] ksys_write+0x183/0x1d0 [ 4104.513213][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4104.513215][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4104.513224][ C2] do_syscall_64+0xc1/0x380 [ 4104.513228][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4104.513233][ C2] RIP: 0033:0x7f492fa5f337 [ 4104.513244][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4104.513246][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4104.513249][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4104.513251][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4104.513253][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4104.513255][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4104.513257][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4104.513264][ C2] [ 4132.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1762s! [mptcp_connect:16967] [ 4132.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4132.512938][ C2] irq event stamp: 66996 [ 4132.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4132.512953][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4132.512957][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4132.512965][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4132.512974][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4132.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 4132.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4132.512985][ C2] RIP: 0010:kasan_check_range+0x4/0x1c0 [ 4132.512993][ C2] Code: 00 00 e9 bf c5 18 02 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <48> 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 [ 4132.512997][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 4132.513000][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4132.513003][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4132.513005][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4132.513007][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4132.513009][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4132.513011][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4132.513013][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4132.513017][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4132.513019][ C2] PKRU: 55555554 [ 4132.513020][ C2] Call Trace: [ 4132.513025][ C2] [ 4132.513027][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4132.513035][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4132.513043][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4132.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4132.513051][ C2] ? lock_acquire+0x10c/0x170 [ 4132.513056][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4132.513061][ C2] mptcp_try_fallback+0x14b/0x360 [ 4132.513065][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4132.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4132.513075][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4132.513078][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4132.513083][ C2] __mptcp_retrans+0x42a/0x960 [ 4132.513089][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4132.513094][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4132.513103][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4132.513111][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4132.513114][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4132.513117][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4132.513120][ C2] ? lock_acquire+0x10c/0x170 [ 4132.513123][ C2] ? release_sock+0x1f/0x1d0 [ 4132.513131][ C2] release_sock+0x17f/0x1d0 [ 4132.513135][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4132.513143][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4132.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4132.513151][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4132.513158][ C2] ? find_held_lock+0x2b/0x80 [ 4132.513162][ C2] sock_write_iter+0x3c1/0x520 [ 4132.513170][ C2] ? __up_write+0x1ad/0x530 [ 4132.513175][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4132.513182][ C2] ? ksys_write+0xf7/0x1d0 [ 4132.513189][ C2] vfs_write+0xc0c/0x1210 [ 4132.513193][ C2] ? ksys_write+0x137/0x1d0 [ 4132.513196][ C2] ? __lock_release+0x5d/0x170 [ 4132.513200][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4132.513204][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4132.513211][ C2] ksys_write+0x183/0x1d0 [ 4132.513215][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4132.513218][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4132.513226][ C2] do_syscall_64+0xc1/0x380 [ 4132.513231][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4132.513236][ C2] RIP: 0033:0x7f492fa5f337 [ 4132.513247][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4132.513249][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4132.513252][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4132.513254][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4132.513256][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4132.513258][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4132.513260][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4132.513266][ C2] [ 4140.784476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4140.784870][ C2] rcu: 2-....: (1896151 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=535533 [ 4140.785362][ C2] rcu: (t=1898121 jiffies g=1296501 q=36135 ncpus=4) [ 4140.785597][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4140.785604][ C2] Tainted: [L]=SOFTLOCKUP [ 4140.785605][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4140.785608][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4140.785620][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4140.785623][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4140.785627][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4140.785630][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4140.785632][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4140.785634][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4140.785636][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4140.785638][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4140.785641][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4140.785645][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4140.785646][ C2] PKRU: 55555554 [ 4140.785648][ C2] Call Trace: [ 4140.785649][ C2] [ 4140.785652][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4140.785660][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4140.785666][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4140.785668][ C2] ? lock_acquire+0x10c/0x170 [ 4140.785673][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4140.785681][ C2] mptcp_try_fallback+0x14b/0x360 [ 4140.785685][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4140.785691][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4140.785694][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4140.785697][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4140.785702][ C2] __mptcp_retrans+0x42a/0x960 [ 4140.785708][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4140.785713][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4140.785721][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4140.785730][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4140.785732][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4140.785736][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4140.785738][ C2] ? lock_acquire+0x10c/0x170 [ 4140.785741][ C2] ? release_sock+0x1f/0x1d0 [ 4140.785749][ C2] release_sock+0x17f/0x1d0 [ 4140.785752][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4140.785759][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4140.785764][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4140.785768][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4140.785774][ C2] ? find_held_lock+0x2b/0x80 [ 4140.785779][ C2] sock_write_iter+0x3c1/0x520 [ 4140.785785][ C2] ? __up_write+0x1ad/0x530 [ 4140.785790][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4140.785797][ C2] ? ksys_write+0xf7/0x1d0 [ 4140.785806][ C2] vfs_write+0xc0c/0x1210 [ 4140.785809][ C2] ? ksys_write+0x137/0x1d0 [ 4140.785811][ C2] ? __lock_release+0x5d/0x170 [ 4140.785815][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4140.785819][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4140.785826][ C2] ksys_write+0x183/0x1d0 [ 4140.785830][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4140.785832][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4140.785841][ C2] do_syscall_64+0xc1/0x380 [ 4140.785845][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4140.785849][ C2] RIP: 0033:0x7f492fa5f337 [ 4140.785860][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4140.785861][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4140.785864][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4140.785867][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4140.785869][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4140.785871][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4140.785873][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4140.785879][ C2] [ 4168.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1796s! [mptcp_connect:16967] [ 4168.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4168.512935][ C2] irq event stamp: 66996 [ 4168.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4168.512950][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4168.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4168.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4168.512971][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4168.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 4168.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4168.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4168.512987][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4168.512990][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4168.512993][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4168.512996][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4168.512998][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4168.513000][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4168.513002][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4168.513004][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4168.513007][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4168.513011][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4168.513013][ C2] PKRU: 55555554 [ 4168.513015][ C2] Call Trace: [ 4168.513019][ C2] [ 4168.513023][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4168.513031][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4168.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4168.513041][ C2] ? lock_acquire+0x10c/0x170 [ 4168.513045][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4168.513050][ C2] mptcp_try_fallback+0x14b/0x360 [ 4168.513054][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4168.513061][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4168.513064][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4168.513067][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4168.513072][ C2] __mptcp_retrans+0x42a/0x960 [ 4168.513077][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4168.513083][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4168.513091][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4168.513099][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4168.513102][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4168.513105][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4168.513108][ C2] ? lock_acquire+0x10c/0x170 [ 4168.513110][ C2] ? release_sock+0x1f/0x1d0 [ 4168.513117][ C2] release_sock+0x17f/0x1d0 [ 4168.513121][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4168.513130][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4168.513133][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4168.513137][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4168.513144][ C2] ? find_held_lock+0x2b/0x80 [ 4168.513148][ C2] sock_write_iter+0x3c1/0x520 [ 4168.513155][ C2] ? __up_write+0x1ad/0x530 [ 4168.513161][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4168.513167][ C2] ? ksys_write+0xf7/0x1d0 [ 4168.513176][ C2] vfs_write+0xc0c/0x1210 [ 4168.513180][ C2] ? ksys_write+0x137/0x1d0 [ 4168.513182][ C2] ? __lock_release+0x5d/0x170 [ 4168.513186][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4168.513190][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4168.513197][ C2] ksys_write+0x183/0x1d0 [ 4168.513202][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4168.513204][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4168.513212][ C2] do_syscall_64+0xc1/0x380 [ 4168.513217][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4168.513222][ C2] RIP: 0033:0x7f492fa5f337 [ 4168.513232][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4168.513234][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4168.513238][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4168.513240][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4168.513242][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4168.513244][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4168.513246][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4168.513253][ C2] [ 4175.280495][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1902585 jiffies s: 68497 root: 0x4/. [ 4175.281080][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4175.281256][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4175.281414][ C2] NMI backtrace for cpu 2 [ 4175.281423][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4175.281430][ C2] Tainted: [L]=SOFTLOCKUP [ 4175.281431][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4175.281434][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4175.281445][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4175.281449][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4175.281452][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4175.281454][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4175.281456][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4175.281458][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4175.281461][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4175.281463][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4175.281465][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4175.281469][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4175.281472][ C2] PKRU: 55555554 [ 4175.281474][ C2] Call Trace: [ 4175.281476][ C2] [ 4175.281480][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4175.281487][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4175.281492][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4175.281495][ C2] ? lock_acquire+0x10c/0x170 [ 4175.281500][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4175.281508][ C2] mptcp_try_fallback+0x14b/0x360 [ 4175.281512][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4175.281519][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4175.281521][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4175.281524][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4175.281529][ C2] __mptcp_retrans+0x42a/0x960 [ 4175.281535][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4175.281540][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4175.281548][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4175.281556][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4175.281558][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4175.281561][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4175.281564][ C2] ? lock_acquire+0x10c/0x170 [ 4175.281567][ C2] ? release_sock+0x1f/0x1d0 [ 4175.281574][ C2] release_sock+0x17f/0x1d0 [ 4175.281577][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4175.281585][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4175.281588][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4175.281592][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4175.281600][ C2] ? find_held_lock+0x2b/0x80 [ 4175.281604][ C2] sock_write_iter+0x3c1/0x520 [ 4175.281611][ C2] ? __up_write+0x1ad/0x530 [ 4175.281617][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4175.281624][ C2] ? ksys_write+0xf7/0x1d0 [ 4175.281632][ C2] vfs_write+0xc0c/0x1210 [ 4175.281636][ C2] ? ksys_write+0x137/0x1d0 [ 4175.281638][ C2] ? __lock_release+0x5d/0x170 [ 4175.281642][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4175.281645][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4175.281652][ C2] ksys_write+0x183/0x1d0 [ 4175.281656][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4175.281658][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4175.281666][ C2] do_syscall_64+0xc1/0x380 [ 4175.281671][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4175.281676][ C2] RIP: 0033:0x7f492fa5f337 [ 4175.281685][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4175.281687][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4175.281690][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4175.281692][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4175.281694][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4175.281696][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4175.281698][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4175.281704][ C2] [ 4200.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1826s! [mptcp_connect:16967] [ 4200.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4200.512936][ C2] irq event stamp: 66996 [ 4200.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4200.512950][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4200.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4200.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4200.512971][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4200.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 4200.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4200.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4200.512986][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4200.512989][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4200.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4200.512995][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4200.512997][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4200.512998][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4200.513000][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4200.513002][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4200.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4200.513009][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4200.513010][ C2] PKRU: 55555554 [ 4200.513012][ C2] Call Trace: [ 4200.513015][ C2] [ 4200.513020][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4200.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4200.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4200.513037][ C2] ? lock_acquire+0x10c/0x170 [ 4200.513042][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4200.513047][ C2] mptcp_try_fallback+0x14b/0x360 [ 4200.513052][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4200.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4200.513061][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4200.513064][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4200.513068][ C2] __mptcp_retrans+0x42a/0x960 [ 4200.513074][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4200.513079][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4200.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4200.513095][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4200.513098][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4200.513101][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4200.513103][ C2] ? lock_acquire+0x10c/0x170 [ 4200.513106][ C2] ? release_sock+0x1f/0x1d0 [ 4200.513114][ C2] release_sock+0x17f/0x1d0 [ 4200.513117][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4200.513125][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4200.513129][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4200.513132][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4200.513139][ C2] ? find_held_lock+0x2b/0x80 [ 4200.513144][ C2] sock_write_iter+0x3c1/0x520 [ 4200.513150][ C2] ? __up_write+0x1ad/0x530 [ 4200.513155][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4200.513162][ C2] ? ksys_write+0xf7/0x1d0 [ 4200.513170][ C2] vfs_write+0xc0c/0x1210 [ 4200.513173][ C2] ? ksys_write+0x137/0x1d0 [ 4200.513176][ C2] ? __lock_release+0x5d/0x170 [ 4200.513180][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4200.513183][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4200.513191][ C2] ksys_write+0x183/0x1d0 [ 4200.513195][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4200.513198][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4200.513205][ C2] do_syscall_64+0xc1/0x380 [ 4200.513210][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4200.513215][ C2] RIP: 0033:0x7f492fa5f337 [ 4200.513225][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4200.513226][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4200.513230][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4200.513232][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4200.513234][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4200.513236][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4200.513238][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4200.513244][ C2] [ 4218.789475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4218.789853][ C2] rcu: 2-....: (1974095 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=562747 [ 4218.790359][ C2] rcu: (t=1976126 jiffies g=1296501 q=37480 ncpus=4) [ 4218.790593][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4218.790600][ C2] Tainted: [L]=SOFTLOCKUP [ 4218.790602][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4218.790605][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4218.790618][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4218.790621][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4218.790626][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4218.790628][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4218.790630][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4218.790632][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4218.790634][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4218.790636][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4218.790638][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4218.790642][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4218.790644][ C2] PKRU: 55555554 [ 4218.790645][ C2] Call Trace: [ 4218.790647][ C2] [ 4218.790649][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4218.790657][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4218.790662][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4218.790665][ C2] ? lock_acquire+0x10c/0x170 [ 4218.790670][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4218.790678][ C2] mptcp_try_fallback+0x14b/0x360 [ 4218.790682][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4218.790689][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4218.790691][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4218.790694][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4218.790699][ C2] __mptcp_retrans+0x42a/0x960 [ 4218.790705][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4218.790710][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4218.790719][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4218.790727][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4218.790730][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4218.790733][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4218.790736][ C2] ? lock_acquire+0x10c/0x170 [ 4218.790738][ C2] ? release_sock+0x1f/0x1d0 [ 4218.790745][ C2] release_sock+0x17f/0x1d0 [ 4218.790749][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4218.790756][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4218.790760][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4218.790764][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4218.790771][ C2] ? find_held_lock+0x2b/0x80 [ 4218.790775][ C2] sock_write_iter+0x3c1/0x520 [ 4218.790781][ C2] ? __up_write+0x1ad/0x530 [ 4218.790787][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4218.790793][ C2] ? ksys_write+0xf7/0x1d0 [ 4218.790801][ C2] vfs_write+0xc0c/0x1210 [ 4218.790804][ C2] ? ksys_write+0x137/0x1d0 [ 4218.790807][ C2] ? __lock_release+0x5d/0x170 [ 4218.790811][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4218.790814][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4218.790822][ C2] ksys_write+0x183/0x1d0 [ 4218.790825][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4218.790828][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4218.790836][ C2] do_syscall_64+0xc1/0x380 [ 4218.790840][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4218.790844][ C2] RIP: 0033:0x7f492fa5f337 [ 4218.790853][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4218.790855][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4218.790859][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4218.790861][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4218.790863][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4218.790865][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4218.790867][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4218.790873][ C2] [ 4244.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1867s! [mptcp_connect:16967] [ 4244.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4244.512934][ C2] irq event stamp: 66996 [ 4244.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4244.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4244.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4244.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4244.512970][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4244.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 4244.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4244.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 4244.512985][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 4244.512989][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4244.512993][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4244.512995][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4244.512997][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4244.512999][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4244.513001][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4244.513003][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4244.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4244.513010][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4244.513012][ C2] PKRU: 55555554 [ 4244.513014][ C2] Call Trace: [ 4244.513017][ C2] [ 4244.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4244.513030][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4244.513036][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4244.513039][ C2] ? lock_acquire+0x10c/0x170 [ 4244.513044][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4244.513049][ C2] mptcp_try_fallback+0x14b/0x360 [ 4244.513053][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4244.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4244.513062][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4244.513065][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4244.513070][ C2] __mptcp_retrans+0x42a/0x960 [ 4244.513076][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4244.513081][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4244.513090][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4244.513098][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4244.513101][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4244.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4244.513106][ C2] ? lock_acquire+0x10c/0x170 [ 4244.513109][ C2] ? release_sock+0x1f/0x1d0 [ 4244.513116][ C2] release_sock+0x17f/0x1d0 [ 4244.513119][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4244.513127][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4244.513130][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4244.513134][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4244.513140][ C2] ? find_held_lock+0x2b/0x80 [ 4244.513145][ C2] sock_write_iter+0x3c1/0x520 [ 4244.513151][ C2] ? __up_write+0x1ad/0x530 [ 4244.513157][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4244.513164][ C2] ? ksys_write+0xf7/0x1d0 [ 4244.513172][ C2] vfs_write+0xc0c/0x1210 [ 4244.513176][ C2] ? ksys_write+0x137/0x1d0 [ 4244.513178][ C2] ? __lock_release+0x5d/0x170 [ 4244.513182][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4244.513186][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4244.513193][ C2] ksys_write+0x183/0x1d0 [ 4244.513197][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4244.513200][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4244.513208][ C2] do_syscall_64+0xc1/0x380 [ 4244.513212][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4244.513217][ C2] RIP: 0033:0x7f492fa5f337 [ 4244.513227][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4244.513229][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4244.513232][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4244.513234][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4244.513236][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4244.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4244.513240][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4244.513246][ C2] [ 4272.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1893s! [mptcp_connect:16967] [ 4272.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4272.512935][ C2] irq event stamp: 66996 [ 4272.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4272.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4272.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4272.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4272.512970][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4272.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 4272.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4272.512982][ C2] RIP: 0010:kasan_check_range+0x66/0x1c0 [ 4272.512991][ C2] Code: 5b 5d 41 5c e9 0b fb 1a 02 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df <4d> 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 48 89 e8 49 8d [ 4272.512995][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000212 [ 4272.512998][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4272.513000][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4272.513002][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4272.513004][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4272.513006][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4272.513008][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4272.513011][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4272.513014][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4272.513016][ C2] PKRU: 55555554 [ 4272.513018][ C2] Call Trace: [ 4272.513022][ C2] [ 4272.513026][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4272.513032][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4272.513040][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4272.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4272.513049][ C2] ? lock_acquire+0x10c/0x170 [ 4272.513054][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4272.513059][ C2] mptcp_try_fallback+0x14b/0x360 [ 4272.513063][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4272.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4272.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4272.513076][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4272.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 4272.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4272.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4272.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4272.513109][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4272.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4272.513114][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4272.513117][ C2] ? lock_acquire+0x10c/0x170 [ 4272.513120][ C2] ? release_sock+0x1f/0x1d0 [ 4272.513127][ C2] release_sock+0x17f/0x1d0 [ 4272.513130][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4272.513139][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4272.513142][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4272.513146][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4272.513153][ C2] ? find_held_lock+0x2b/0x80 [ 4272.513157][ C2] sock_write_iter+0x3c1/0x520 [ 4272.513164][ C2] ? __up_write+0x1ad/0x530 [ 4272.513170][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4272.513176][ C2] ? ksys_write+0xf7/0x1d0 [ 4272.513184][ C2] vfs_write+0xc0c/0x1210 [ 4272.513188][ C2] ? ksys_write+0x137/0x1d0 [ 4272.513190][ C2] ? __lock_release+0x5d/0x170 [ 4272.513194][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4272.513198][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4272.513206][ C2] ksys_write+0x183/0x1d0 [ 4272.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4272.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4272.513220][ C2] do_syscall_64+0xc1/0x380 [ 4272.513225][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4272.513230][ C2] RIP: 0033:0x7f492fa5f337 [ 4272.513241][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4272.513242][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4272.513245][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4272.513248][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4272.513250][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4272.513252][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4272.513254][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4272.513260][ C2] [ 4273.583497][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2000888 jiffies s: 68497 root: 0x4/. [ 4273.583898][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4273.584081][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4273.584318][ C2] NMI backtrace for cpu 2 [ 4273.584327][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4273.584333][ C2] Tainted: [L]=SOFTLOCKUP [ 4273.584335][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4273.584337][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4273.584349][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4273.584353][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4273.584357][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4273.584359][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4273.584361][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4273.584363][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4273.584365][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4273.584367][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4273.584369][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4273.584373][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4273.584375][ C2] PKRU: 55555554 [ 4273.584377][ C2] Call Trace: [ 4273.584379][ C2] [ 4273.584383][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4273.584390][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4273.584395][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4273.584398][ C2] ? lock_acquire+0x10c/0x170 [ 4273.584403][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4273.584411][ C2] mptcp_try_fallback+0x14b/0x360 [ 4273.584414][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4273.584421][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4273.584424][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4273.584427][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4273.584432][ C2] __mptcp_retrans+0x42a/0x960 [ 4273.584437][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4273.584443][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4273.584452][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4273.584459][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4273.584462][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4273.584465][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4273.584468][ C2] ? lock_acquire+0x10c/0x170 [ 4273.584472][ C2] ? release_sock+0x1f/0x1d0 [ 4273.584479][ C2] release_sock+0x17f/0x1d0 [ 4273.584483][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4273.584490][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4273.584495][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4273.584499][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4273.584505][ C2] ? find_held_lock+0x2b/0x80 [ 4273.584510][ C2] sock_write_iter+0x3c1/0x520 [ 4273.584516][ C2] ? __up_write+0x1ad/0x530 [ 4273.584522][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4273.584529][ C2] ? ksys_write+0xf7/0x1d0 [ 4273.584536][ C2] vfs_write+0xc0c/0x1210 [ 4273.584540][ C2] ? ksys_write+0x137/0x1d0 [ 4273.584542][ C2] ? __lock_release+0x5d/0x170 [ 4273.584546][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4273.584550][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4273.584557][ C2] ksys_write+0x183/0x1d0 [ 4273.584560][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4273.584563][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4273.584571][ C2] do_syscall_64+0xc1/0x380 [ 4273.584576][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4273.584581][ C2] RIP: 0033:0x7f492fa5f337 [ 4273.584590][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4273.584591][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4273.584594][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4273.584596][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4273.584598][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4273.584600][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4273.584602][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4273.584608][ C2] [ 4296.794475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4296.794987][ C2] rcu: 2-....: (2052039 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=589827 [ 4296.795382][ C2] rcu: (t=2054131 jiffies g=1296501 q=38831 ncpus=4) [ 4296.795617][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4296.795624][ C2] Tainted: [L]=SOFTLOCKUP [ 4296.795625][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4296.795628][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 4296.795641][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 4296.795644][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4296.795648][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4296.795650][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4296.795652][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4296.795654][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4296.795656][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4296.795659][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4296.795661][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4296.795664][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4296.795666][ C2] PKRU: 55555554 [ 4296.795668][ C2] Call Trace: [ 4296.795669][ C2] [ 4296.795672][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4296.795680][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4296.795686][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4296.795689][ C2] ? lock_acquire+0x10c/0x170 [ 4296.795693][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4296.795702][ C2] mptcp_try_fallback+0x14b/0x360 [ 4296.795706][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4296.795712][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4296.795715][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4296.795718][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4296.795723][ C2] __mptcp_retrans+0x42a/0x960 [ 4296.795729][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4296.795734][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4296.795743][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4296.795751][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4296.795753][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4296.795757][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4296.795759][ C2] ? lock_acquire+0x10c/0x170 [ 4296.795762][ C2] ? release_sock+0x1f/0x1d0 [ 4296.795769][ C2] release_sock+0x17f/0x1d0 [ 4296.795773][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4296.795780][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4296.795784][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4296.795788][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4296.795795][ C2] ? find_held_lock+0x2b/0x80 [ 4296.795799][ C2] sock_write_iter+0x3c1/0x520 [ 4296.795805][ C2] ? __up_write+0x1ad/0x530 [ 4296.795811][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4296.795817][ C2] ? ksys_write+0xf7/0x1d0 [ 4296.795825][ C2] vfs_write+0xc0c/0x1210 [ 4296.795829][ C2] ? ksys_write+0x137/0x1d0 [ 4296.795831][ C2] ? __lock_release+0x5d/0x170 [ 4296.795835][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4296.795839][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4296.795846][ C2] ksys_write+0x183/0x1d0 [ 4296.795850][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4296.795852][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4296.795860][ C2] do_syscall_64+0xc1/0x380 [ 4296.795864][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4296.795868][ C2] RIP: 0033:0x7f492fa5f337 [ 4296.795878][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4296.795880][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4296.795883][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4296.795885][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4296.795887][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4296.795889][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4296.795891][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4296.795897][ C2] [ 4324.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1941s! [mptcp_connect:16967] [ 4324.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4324.512934][ C2] irq event stamp: 66996 [ 4324.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4324.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4324.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4324.512960][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4324.512969][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4324.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 4324.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4324.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4324.512985][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4324.512989][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4324.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4324.512995][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4324.512996][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4324.512999][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4324.513001][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4324.513004][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4324.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4324.513010][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4324.513012][ C2] PKRU: 55555554 [ 4324.513014][ C2] Call Trace: [ 4324.513017][ C2] [ 4324.513023][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4324.513031][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4324.513037][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4324.513039][ C2] ? lock_acquire+0x10c/0x170 [ 4324.513044][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4324.513049][ C2] mptcp_try_fallback+0x14b/0x360 [ 4324.513053][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4324.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4324.513062][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4324.513065][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4324.513070][ C2] __mptcp_retrans+0x42a/0x960 [ 4324.513076][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4324.513082][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4324.513091][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4324.513098][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4324.513101][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4324.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4324.513107][ C2] ? lock_acquire+0x10c/0x170 [ 4324.513110][ C2] ? release_sock+0x1f/0x1d0 [ 4324.513117][ C2] release_sock+0x17f/0x1d0 [ 4324.513121][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4324.513129][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4324.513132][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4324.513136][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4324.513143][ C2] ? find_held_lock+0x2b/0x80 [ 4324.513147][ C2] sock_write_iter+0x3c1/0x520 [ 4324.513154][ C2] ? __up_write+0x1ad/0x530 [ 4324.513160][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4324.513167][ C2] ? ksys_write+0xf7/0x1d0 [ 4324.513175][ C2] vfs_write+0xc0c/0x1210 [ 4324.513179][ C2] ? ksys_write+0x137/0x1d0 [ 4324.513182][ C2] ? __lock_release+0x5d/0x170 [ 4324.513186][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4324.513190][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4324.513197][ C2] ksys_write+0x183/0x1d0 [ 4324.513201][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4324.513204][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4324.513212][ C2] do_syscall_64+0xc1/0x380 [ 4324.513217][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4324.513222][ C2] RIP: 0033:0x7f492fa5f337 [ 4324.513232][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4324.513234][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4324.513237][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4324.513239][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4324.513241][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4324.513243][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4324.513245][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4324.513251][ C2] [ 4352.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1967s! [mptcp_connect:16967] [ 4352.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4352.512934][ C2] irq event stamp: 66996 [ 4352.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4352.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4352.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4352.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4352.512968][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4352.512975][ C2] Tainted: [L]=SOFTLOCKUP [ 4352.512976][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4352.512979][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 4352.512988][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 4352.512992][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 4352.512995][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4352.512997][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4352.512999][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4352.513001][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4352.513003][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4352.513006][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4352.513008][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4352.513013][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4352.513015][ C2] PKRU: 55555554 [ 4352.513016][ C2] Call Trace: [ 4352.513021][ C2] [ 4352.513022][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4352.513030][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4352.513038][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4352.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4352.513046][ C2] ? lock_acquire+0x10c/0x170 [ 4352.513051][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4352.513056][ C2] mptcp_try_fallback+0x14b/0x360 [ 4352.513060][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4352.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4352.513070][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4352.513073][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4352.513077][ C2] __mptcp_retrans+0x42a/0x960 [ 4352.513083][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4352.513089][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4352.513097][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4352.513105][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4352.513108][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4352.513111][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4352.513113][ C2] ? lock_acquire+0x10c/0x170 [ 4352.513116][ C2] ? release_sock+0x1f/0x1d0 [ 4352.513124][ C2] release_sock+0x17f/0x1d0 [ 4352.513128][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4352.513135][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4352.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4352.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4352.513150][ C2] ? find_held_lock+0x2b/0x80 [ 4352.513154][ C2] sock_write_iter+0x3c1/0x520 [ 4352.513161][ C2] ? __up_write+0x1ad/0x530 [ 4352.513167][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4352.513174][ C2] ? ksys_write+0xf7/0x1d0 [ 4352.513180][ C2] vfs_write+0xc0c/0x1210 [ 4352.513184][ C2] ? ksys_write+0x137/0x1d0 [ 4352.513187][ C2] ? __lock_release+0x5d/0x170 [ 4352.513191][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4352.513195][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4352.513202][ C2] ksys_write+0x183/0x1d0 [ 4352.513206][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4352.513208][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4352.513216][ C2] do_syscall_64+0xc1/0x380 [ 4352.513221][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4352.513226][ C2] RIP: 0033:0x7f492fa5f337 [ 4352.513236][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4352.513238][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4352.513241][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4352.513243][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4352.513245][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4352.513247][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4352.513248][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4352.513255][ C2] [ 4371.888492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2099193 jiffies s: 68497 root: 0x4/. [ 4371.888984][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4371.889260][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4371.889432][ C2] NMI backtrace for cpu 2 [ 4371.889442][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4371.889449][ C2] Tainted: [L]=SOFTLOCKUP [ 4371.889450][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4371.889453][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4371.889464][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4371.889467][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4371.889472][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4371.889474][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4371.889476][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4371.889478][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4371.889480][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4371.889483][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4371.889485][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4371.889488][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4371.889490][ C2] PKRU: 55555554 [ 4371.889492][ C2] Call Trace: [ 4371.889495][ C2] [ 4371.889500][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4371.889507][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4371.889513][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4371.889516][ C2] ? lock_acquire+0x10c/0x170 [ 4371.889521][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4371.889529][ C2] mptcp_try_fallback+0x14b/0x360 [ 4371.889533][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4371.889540][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4371.889543][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4371.889545][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4371.889550][ C2] __mptcp_retrans+0x42a/0x960 [ 4371.889556][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4371.889561][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4371.889571][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4371.889579][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4371.889581][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4371.889584][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4371.889587][ C2] ? lock_acquire+0x10c/0x170 [ 4371.889590][ C2] ? release_sock+0x1f/0x1d0 [ 4371.889597][ C2] release_sock+0x17f/0x1d0 [ 4371.889601][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4371.889610][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4371.889613][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4371.889617][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4371.889624][ C2] ? find_held_lock+0x2b/0x80 [ 4371.889628][ C2] sock_write_iter+0x3c1/0x520 [ 4371.889635][ C2] ? __up_write+0x1ad/0x530 [ 4371.889641][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4371.889647][ C2] ? ksys_write+0xf7/0x1d0 [ 4371.889655][ C2] vfs_write+0xc0c/0x1210 [ 4371.889659][ C2] ? ksys_write+0x137/0x1d0 [ 4371.889662][ C2] ? __lock_release+0x5d/0x170 [ 4371.889666][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4371.889669][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4371.889677][ C2] ksys_write+0x183/0x1d0 [ 4371.889681][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4371.889683][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4371.889691][ C2] do_syscall_64+0xc1/0x380 [ 4371.889695][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4371.889700][ C2] RIP: 0033:0x7f492fa5f337 [ 4371.889710][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4371.889712][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4371.889715][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4371.889717][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4371.889719][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4371.889721][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4371.889723][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4371.889729][ C2] [ 4374.799476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4374.799970][ C2] rcu: 2-....: (2129983 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=617596 [ 4374.800348][ C2] rcu: (t=2132136 jiffies g=1296501 q=40182 ncpus=4) [ 4374.800590][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4374.800597][ C2] Tainted: [L]=SOFTLOCKUP [ 4374.800598][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4374.800601][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4374.800612][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4374.800616][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4374.800620][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4374.800622][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4374.800624][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4374.800627][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4374.800629][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4374.800631][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4374.800633][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4374.800637][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4374.800639][ C2] PKRU: 55555554 [ 4374.800640][ C2] Call Trace: [ 4374.800642][ C2] [ 4374.800645][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4374.800652][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4374.800657][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4374.800660][ C2] ? lock_acquire+0x10c/0x170 [ 4374.800665][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4374.800673][ C2] mptcp_try_fallback+0x14b/0x360 [ 4374.800676][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4374.800683][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4374.800686][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4374.800689][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4374.800694][ C2] __mptcp_retrans+0x42a/0x960 [ 4374.800699][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4374.800705][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4374.800713][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4374.800721][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4374.800723][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4374.800727][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4374.800729][ C2] ? lock_acquire+0x10c/0x170 [ 4374.800732][ C2] ? release_sock+0x1f/0x1d0 [ 4374.800739][ C2] release_sock+0x17f/0x1d0 [ 4374.800742][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4374.800749][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4374.800753][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4374.800756][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4374.800763][ C2] ? find_held_lock+0x2b/0x80 [ 4374.800768][ C2] sock_write_iter+0x3c1/0x520 [ 4374.800774][ C2] ? __up_write+0x1ad/0x530 [ 4374.800779][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4374.800786][ C2] ? ksys_write+0xf7/0x1d0 [ 4374.800793][ C2] vfs_write+0xc0c/0x1210 [ 4374.800796][ C2] ? ksys_write+0x137/0x1d0 [ 4374.800799][ C2] ? __lock_release+0x5d/0x170 [ 4374.800802][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4374.800806][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4374.800813][ C2] ksys_write+0x183/0x1d0 [ 4374.800817][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4374.800819][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4374.800827][ C2] do_syscall_64+0xc1/0x380 [ 4374.800831][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4374.800835][ C2] RIP: 0033:0x7f492fa5f337 [ 4374.800845][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4374.800847][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4374.800850][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4374.800852][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4374.800854][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4374.800856][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4374.800858][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4374.800864][ C2] [ 4400.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2012s! [mptcp_connect:16967] [ 4400.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4400.512936][ C2] irq event stamp: 66996 [ 4400.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4400.512951][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4400.512955][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4400.512963][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4400.512972][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4400.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 4400.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4400.512982][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4400.512988][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4400.512992][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4400.512995][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4400.512997][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4400.512999][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4400.513001][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4400.513004][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4400.513006][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4400.513009][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4400.513013][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4400.513015][ C2] PKRU: 55555554 [ 4400.513016][ C2] Call Trace: [ 4400.513020][ C2] [ 4400.513025][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4400.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4400.513040][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4400.513043][ C2] ? lock_acquire+0x10c/0x170 [ 4400.513047][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4400.513052][ C2] mptcp_try_fallback+0x14b/0x360 [ 4400.513056][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4400.513063][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4400.513066][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4400.513069][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4400.513074][ C2] __mptcp_retrans+0x42a/0x960 [ 4400.513080][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4400.513085][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4400.513094][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4400.513102][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4400.513106][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4400.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4400.513111][ C2] ? lock_acquire+0x10c/0x170 [ 4400.513114][ C2] ? release_sock+0x1f/0x1d0 [ 4400.513122][ C2] release_sock+0x17f/0x1d0 [ 4400.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4400.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4400.513137][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4400.513141][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4400.513148][ C2] ? find_held_lock+0x2b/0x80 [ 4400.513152][ C2] sock_write_iter+0x3c1/0x520 [ 4400.513159][ C2] ? __up_write+0x1ad/0x530 [ 4400.513165][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4400.513171][ C2] ? ksys_write+0xf7/0x1d0 [ 4400.513179][ C2] vfs_write+0xc0c/0x1210 [ 4400.513183][ C2] ? ksys_write+0x137/0x1d0 [ 4400.513186][ C2] ? __lock_release+0x5d/0x170 [ 4400.513190][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4400.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4400.513200][ C2] ksys_write+0x183/0x1d0 [ 4400.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4400.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4400.513215][ C2] do_syscall_64+0xc1/0x380 [ 4400.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4400.513226][ C2] RIP: 0033:0x7f492fa5f337 [ 4400.513236][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4400.513238][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4400.513241][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4400.513243][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4400.513245][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4400.513247][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4400.513249][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4400.513255][ C2] [ 4428.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2038s! [mptcp_connect:16967] [ 4428.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4428.512935][ C2] irq event stamp: 66996 [ 4428.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4428.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4428.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4428.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4428.512971][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4428.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 4428.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4428.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4428.512987][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4428.512990][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4428.512993][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4428.512996][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4428.512998][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4428.513000][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4428.513002][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4428.513005][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4428.513007][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4428.513011][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4428.513014][ C2] PKRU: 55555554 [ 4428.513016][ C2] Call Trace: [ 4428.513019][ C2] [ 4428.513024][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4428.513032][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4428.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4428.513042][ C2] ? lock_acquire+0x10c/0x170 [ 4428.513047][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4428.513052][ C2] mptcp_try_fallback+0x14b/0x360 [ 4428.513056][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4428.513063][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4428.513066][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4428.513069][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4428.513074][ C2] __mptcp_retrans+0x42a/0x960 [ 4428.513080][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4428.513085][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4428.513093][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4428.513101][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4428.513103][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4428.513107][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4428.513109][ C2] ? lock_acquire+0x10c/0x170 [ 4428.513112][ C2] ? release_sock+0x1f/0x1d0 [ 4428.513120][ C2] release_sock+0x17f/0x1d0 [ 4428.513123][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4428.513131][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4428.513135][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4428.513138][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4428.513145][ C2] ? find_held_lock+0x2b/0x80 [ 4428.513150][ C2] sock_write_iter+0x3c1/0x520 [ 4428.513156][ C2] ? __up_write+0x1ad/0x530 [ 4428.513162][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4428.513168][ C2] ? ksys_write+0xf7/0x1d0 [ 4428.513176][ C2] vfs_write+0xc0c/0x1210 [ 4428.513180][ C2] ? ksys_write+0x137/0x1d0 [ 4428.513183][ C2] ? __lock_release+0x5d/0x170 [ 4428.513187][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4428.513190][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4428.513198][ C2] ksys_write+0x183/0x1d0 [ 4428.513202][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4428.513204][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4428.513213][ C2] do_syscall_64+0xc1/0x380 [ 4428.513218][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4428.513223][ C2] RIP: 0033:0x7f492fa5f337 [ 4428.513233][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4428.513235][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4428.513238][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4428.513241][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4428.513243][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4428.513245][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4428.513246][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4428.513253][ C2] [ 4430.144705][ T70] kmemleak: 686 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 4452.804476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4452.804999][ C2] rcu: 2-....: (2207941 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=645491 [ 4452.805377][ C2] rcu: (t=2210141 jiffies g=1296501 q=41215 ncpus=4) [ 4452.805612][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4452.805619][ C2] Tainted: [L]=SOFTLOCKUP [ 4452.805620][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4452.805623][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4452.805635][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4452.805638][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4452.805642][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4452.805645][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4452.805647][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4452.805649][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4452.805651][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4452.805653][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4452.805656][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4452.805660][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4452.805662][ C2] PKRU: 55555554 [ 4452.805663][ C2] Call Trace: [ 4452.805665][ C2] [ 4452.805667][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4452.805675][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4452.805680][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4452.805683][ C2] ? lock_acquire+0x10c/0x170 [ 4452.805688][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4452.805697][ C2] mptcp_try_fallback+0x14b/0x360 [ 4452.805700][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4452.805707][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4452.805709][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4452.805712][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4452.805717][ C2] __mptcp_retrans+0x42a/0x960 [ 4452.805723][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4452.805728][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4452.805737][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4452.805745][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4452.805748][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4452.805751][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4452.805754][ C2] ? lock_acquire+0x10c/0x170 [ 4452.805757][ C2] ? release_sock+0x1f/0x1d0 [ 4452.805765][ C2] release_sock+0x17f/0x1d0 [ 4452.805768][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4452.805776][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4452.805780][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4452.805784][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4452.805790][ C2] ? find_held_lock+0x2b/0x80 [ 4452.805795][ C2] sock_write_iter+0x3c1/0x520 [ 4452.805801][ C2] ? __up_write+0x1ad/0x530 [ 4452.805807][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4452.805814][ C2] ? ksys_write+0xf7/0x1d0 [ 4452.805822][ C2] vfs_write+0xc0c/0x1210 [ 4452.805825][ C2] ? ksys_write+0x137/0x1d0 [ 4452.805828][ C2] ? __lock_release+0x5d/0x170 [ 4452.805832][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4452.805835][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4452.805842][ C2] ksys_write+0x183/0x1d0 [ 4452.805846][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4452.805848][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4452.805856][ C2] do_syscall_64+0xc1/0x380 [ 4452.805861][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4452.805865][ C2] RIP: 0033:0x7f492fa5f337 [ 4452.805875][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4452.805877][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4452.805880][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4452.805882][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4452.805884][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4452.805886][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4452.805888][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4452.805894][ C2] [ 4470.192495][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2197497 jiffies s: 68497 root: 0x4/. [ 4470.193003][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4470.193206][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4470.193460][ C2] NMI backtrace for cpu 2 [ 4470.193470][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4470.193477][ C2] Tainted: [L]=SOFTLOCKUP [ 4470.193478][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4470.193481][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4470.193493][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4470.193496][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4470.193500][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4470.193502][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4470.193504][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4470.193507][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4470.193509][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4470.193511][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4470.193514][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4470.193518][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4470.193520][ C2] PKRU: 55555554 [ 4470.193522][ C2] Call Trace: [ 4470.193525][ C2] [ 4470.193529][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4470.193537][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4470.193543][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4470.193546][ C2] ? lock_acquire+0x10c/0x170 [ 4470.193551][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4470.193560][ C2] mptcp_try_fallback+0x14b/0x360 [ 4470.193564][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4470.193571][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4470.193574][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4470.193577][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4470.193582][ C2] __mptcp_retrans+0x42a/0x960 [ 4470.193588][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4470.193593][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4470.193602][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4470.193610][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4470.193613][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4470.193616][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4470.193619][ C2] ? lock_acquire+0x10c/0x170 [ 4470.193622][ C2] ? release_sock+0x1f/0x1d0 [ 4470.193629][ C2] release_sock+0x17f/0x1d0 [ 4470.193633][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4470.193642][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4470.193646][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4470.193650][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4470.193657][ C2] ? find_held_lock+0x2b/0x80 [ 4470.193661][ C2] sock_write_iter+0x3c1/0x520 [ 4470.193668][ C2] ? __up_write+0x1ad/0x530 [ 4470.193674][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4470.193681][ C2] ? ksys_write+0xf7/0x1d0 [ 4470.193689][ C2] vfs_write+0xc0c/0x1210 [ 4470.193693][ C2] ? ksys_write+0x137/0x1d0 [ 4470.193696][ C2] ? __lock_release+0x5d/0x170 [ 4470.193700][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4470.193704][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4470.193711][ C2] ksys_write+0x183/0x1d0 [ 4470.193714][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4470.193717][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4470.193725][ C2] do_syscall_64+0xc1/0x380 [ 4470.193730][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4470.193735][ C2] RIP: 0033:0x7f492fa5f337 [ 4470.193744][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4470.193747][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4470.193750][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4470.193752][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4470.193754][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4470.193757][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4470.193759][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4470.193765][ C2] [ 4496.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2101s! [mptcp_connect:16967] [ 4496.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4496.512937][ C2] irq event stamp: 66996 [ 4496.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4496.512953][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4496.512957][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4496.512965][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4496.512973][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4496.512979][ C2] Tainted: [L]=SOFTLOCKUP [ 4496.512981][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4496.512984][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 4496.512992][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 4496.512996][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 4496.512999][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4496.513002][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4496.513004][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4496.513006][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4496.513008][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4496.513010][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4496.513013][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4496.513018][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4496.513020][ C2] PKRU: 55555554 [ 4496.513022][ C2] Call Trace: [ 4496.513025][ C2] [ 4496.513028][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4496.513037][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4496.513044][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4496.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4496.513052][ C2] ? lock_acquire+0x10c/0x170 [ 4496.513058][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4496.513063][ C2] mptcp_try_fallback+0x14b/0x360 [ 4496.513067][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4496.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4496.513077][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4496.513080][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4496.513085][ C2] __mptcp_retrans+0x42a/0x960 [ 4496.513091][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4496.513096][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4496.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4496.513114][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4496.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4496.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4496.513123][ C2] ? lock_acquire+0x10c/0x170 [ 4496.513126][ C2] ? release_sock+0x1f/0x1d0 [ 4496.513134][ C2] release_sock+0x17f/0x1d0 [ 4496.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4496.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4496.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4496.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4496.513161][ C2] ? find_held_lock+0x2b/0x80 [ 4496.513165][ C2] sock_write_iter+0x3c1/0x520 [ 4496.513172][ C2] ? __up_write+0x1ad/0x530 [ 4496.513178][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4496.513185][ C2] ? ksys_write+0xf7/0x1d0 [ 4496.513193][ C2] vfs_write+0xc0c/0x1210 [ 4496.513197][ C2] ? ksys_write+0x137/0x1d0 [ 4496.513199][ C2] ? __lock_release+0x5d/0x170 [ 4496.513203][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4496.513207][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4496.513215][ C2] ksys_write+0x183/0x1d0 [ 4496.513219][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4496.513221][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4496.513230][ C2] do_syscall_64+0xc1/0x380 [ 4496.513235][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4496.513240][ C2] RIP: 0033:0x7f492fa5f337 [ 4496.513250][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4496.513251][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4496.513254][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4496.513257][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4496.513259][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4496.513261][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4496.513263][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4496.513270][ C2] [ 4524.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2127s! [mptcp_connect:16967] [ 4524.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4524.512937][ C2] irq event stamp: 66996 [ 4524.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4524.512953][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4524.512958][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4524.512965][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4524.512975][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4524.512981][ C2] Tainted: [L]=SOFTLOCKUP [ 4524.512983][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4524.512985][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4524.512991][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4524.512994][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4524.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4524.513000][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4524.513002][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4524.513005][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4524.513007][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4524.513009][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4524.513012][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4524.513016][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4524.513019][ C2] PKRU: 55555554 [ 4524.513020][ C2] Call Trace: [ 4524.513024][ C2] [ 4524.513030][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4524.513038][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4524.513045][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4524.513048][ C2] ? lock_acquire+0x10c/0x170 [ 4524.513053][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4524.513058][ C2] mptcp_try_fallback+0x14b/0x360 [ 4524.513062][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4524.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4524.513072][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4524.513075][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4524.513080][ C2] __mptcp_retrans+0x42a/0x960 [ 4524.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4524.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4524.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4524.513110][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4524.513113][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4524.513116][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4524.513119][ C2] ? lock_acquire+0x10c/0x170 [ 4524.513122][ C2] ? release_sock+0x1f/0x1d0 [ 4524.513129][ C2] release_sock+0x17f/0x1d0 [ 4524.513133][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4524.513141][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4524.513145][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4524.513149][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4524.513156][ C2] ? find_held_lock+0x2b/0x80 [ 4524.513161][ C2] sock_write_iter+0x3c1/0x520 [ 4524.513167][ C2] ? __up_write+0x1ad/0x530 [ 4524.513173][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4524.513180][ C2] ? ksys_write+0xf7/0x1d0 [ 4524.513188][ C2] vfs_write+0xc0c/0x1210 [ 4524.513192][ C2] ? ksys_write+0x137/0x1d0 [ 4524.513195][ C2] ? __lock_release+0x5d/0x170 [ 4524.513199][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4524.513203][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4524.513211][ C2] ksys_write+0x183/0x1d0 [ 4524.513215][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4524.513218][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4524.513226][ C2] do_syscall_64+0xc1/0x380 [ 4524.513231][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4524.513236][ C2] RIP: 0033:0x7f492fa5f337 [ 4524.513247][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4524.513248][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4524.513252][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4524.513254][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4524.513256][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4524.513258][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4524.513260][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4524.513266][ C2] [ 4530.809476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4530.809991][ C2] rcu: 2-....: (2285885 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=673855 [ 4530.810384][ C2] rcu: (t=2288146 jiffies g=1296501 q=42566 ncpus=4) [ 4530.810735][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4530.810742][ C2] Tainted: [L]=SOFTLOCKUP [ 4530.810744][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4530.810747][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4530.810760][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4530.810763][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4530.810767][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4530.810770][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4530.810772][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4530.810774][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4530.810776][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4530.810778][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4530.810781][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4530.810785][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4530.810787][ C2] PKRU: 55555554 [ 4530.810789][ C2] Call Trace: [ 4530.810790][ C2] [ 4530.810792][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4530.810800][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4530.810807][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4530.810809][ C2] ? lock_acquire+0x10c/0x170 [ 4530.810814][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4530.810823][ C2] mptcp_try_fallback+0x14b/0x360 [ 4530.810827][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4530.810833][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4530.810836][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4530.810839][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4530.810844][ C2] __mptcp_retrans+0x42a/0x960 [ 4530.810849][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4530.810854][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4530.810863][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4530.810871][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4530.810874][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4530.810878][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4530.810881][ C2] ? lock_acquire+0x10c/0x170 [ 4530.810884][ C2] ? release_sock+0x1f/0x1d0 [ 4530.810891][ C2] release_sock+0x17f/0x1d0 [ 4530.810895][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4530.810902][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4530.810906][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4530.810910][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4530.810917][ C2] ? find_held_lock+0x2b/0x80 [ 4530.810922][ C2] sock_write_iter+0x3c1/0x520 [ 4530.810928][ C2] ? __up_write+0x1ad/0x530 [ 4530.810933][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4530.810940][ C2] ? ksys_write+0xf7/0x1d0 [ 4530.810948][ C2] vfs_write+0xc0c/0x1210 [ 4530.810951][ C2] ? ksys_write+0x137/0x1d0 [ 4530.810954][ C2] ? __lock_release+0x5d/0x170 [ 4530.810958][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4530.810962][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4530.810969][ C2] ksys_write+0x183/0x1d0 [ 4530.810972][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4530.810975][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4530.810983][ C2] do_syscall_64+0xc1/0x380 [ 4530.810988][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4530.810991][ C2] RIP: 0033:0x7f492fa5f337 [ 4530.811001][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4530.811003][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4530.811006][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4530.811009][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4530.811011][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4530.811013][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4530.811015][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4530.811021][ C2] [ 4556.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2157s! [mptcp_connect:16967] [ 4556.512920][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4556.512937][ C2] irq event stamp: 66996 [ 4556.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4556.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4556.512957][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4556.512964][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4556.512974][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4556.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 4556.512983][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4556.512985][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4556.512991][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4556.512994][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4556.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4556.513001][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4556.513003][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4556.513005][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4556.513007][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4556.513010][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4556.513013][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4556.513017][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4556.513019][ C2] PKRU: 55555554 [ 4556.513021][ C2] Call Trace: [ 4556.513024][ C2] [ 4556.513029][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4556.513037][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4556.513045][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4556.513048][ C2] ? lock_acquire+0x10c/0x170 [ 4556.513052][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4556.513057][ C2] mptcp_try_fallback+0x14b/0x360 [ 4556.513062][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4556.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4556.513072][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4556.513075][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4556.513080][ C2] __mptcp_retrans+0x42a/0x960 [ 4556.513086][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4556.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4556.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4556.513109][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4556.513112][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4556.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4556.513118][ C2] ? lock_acquire+0x10c/0x170 [ 4556.513121][ C2] ? release_sock+0x1f/0x1d0 [ 4556.513129][ C2] release_sock+0x17f/0x1d0 [ 4556.513133][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4556.513141][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4556.513144][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4556.513149][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4556.513156][ C2] ? find_held_lock+0x2b/0x80 [ 4556.513160][ C2] sock_write_iter+0x3c1/0x520 [ 4556.513167][ C2] ? __up_write+0x1ad/0x530 [ 4556.513173][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4556.513180][ C2] ? ksys_write+0xf7/0x1d0 [ 4556.513188][ C2] vfs_write+0xc0c/0x1210 [ 4556.513192][ C2] ? ksys_write+0x137/0x1d0 [ 4556.513195][ C2] ? __lock_release+0x5d/0x170 [ 4556.513199][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4556.513203][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4556.513211][ C2] ksys_write+0x183/0x1d0 [ 4556.513215][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4556.513218][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4556.513226][ C2] do_syscall_64+0xc1/0x380 [ 4556.513232][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4556.513237][ C2] RIP: 0033:0x7f492fa5f337 [ 4556.513248][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4556.513250][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4556.513253][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4556.513255][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4556.513258][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4556.513260][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4556.513262][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4556.513268][ C2] [ 4568.495497][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2295800 jiffies s: 68497 root: 0x4/. [ 4568.496025][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4568.496298][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4568.496456][ C2] NMI backtrace for cpu 2 [ 4568.496466][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4568.496473][ C2] Tainted: [L]=SOFTLOCKUP [ 4568.496475][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4568.496477][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 4568.496490][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 4568.496493][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 4568.496497][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4568.496499][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4568.496502][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4568.496504][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4568.496506][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4568.496508][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4568.496511][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4568.496515][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4568.496517][ C2] PKRU: 55555554 [ 4568.496518][ C2] Call Trace: [ 4568.496521][ C2] [ 4568.496523][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4568.496535][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4568.496543][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4568.496548][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4568.496551][ C2] ? lock_acquire+0x10c/0x170 [ 4568.496556][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4568.496564][ C2] mptcp_try_fallback+0x14b/0x360 [ 4568.496569][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4568.496575][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4568.496578][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4568.496581][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4568.496586][ C2] __mptcp_retrans+0x42a/0x960 [ 4568.496592][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4568.496598][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4568.496606][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4568.496615][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4568.496618][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4568.496621][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4568.496624][ C2] ? lock_acquire+0x10c/0x170 [ 4568.496627][ C2] ? release_sock+0x1f/0x1d0 [ 4568.496635][ C2] release_sock+0x17f/0x1d0 [ 4568.496638][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4568.496646][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4568.496650][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4568.496654][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4568.496661][ C2] ? find_held_lock+0x2b/0x80 [ 4568.496665][ C2] sock_write_iter+0x3c1/0x520 [ 4568.496672][ C2] ? __up_write+0x1ad/0x530 [ 4568.496678][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4568.496685][ C2] ? ksys_write+0xf7/0x1d0 [ 4568.496692][ C2] vfs_write+0xc0c/0x1210 [ 4568.496697][ C2] ? ksys_write+0x137/0x1d0 [ 4568.496699][ C2] ? __lock_release+0x5d/0x170 [ 4568.496703][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4568.496707][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4568.496714][ C2] ksys_write+0x183/0x1d0 [ 4568.496718][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4568.496721][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4568.496729][ C2] do_syscall_64+0xc1/0x380 [ 4568.496733][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4568.496739][ C2] RIP: 0033:0x7f492fa5f337 [ 4568.496749][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4568.496751][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4568.496754][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4568.496757][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4568.496759][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4568.496761][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4568.496763][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4568.496769][ C2] [ 4592.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2191s! [mptcp_connect:16967] [ 4592.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4592.512935][ C2] irq event stamp: 66996 [ 4592.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4592.512951][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4592.512955][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4592.512963][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4592.512971][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4592.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 4592.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4592.512982][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4592.512987][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4592.512991][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4592.512995][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4592.512997][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4592.512999][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4592.513001][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4592.513003][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4592.513005][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4592.513008][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4592.513012][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4592.513014][ C2] PKRU: 55555554 [ 4592.513016][ C2] Call Trace: [ 4592.513020][ C2] [ 4592.513025][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4592.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4592.513040][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4592.513043][ C2] ? lock_acquire+0x10c/0x170 [ 4592.513048][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4592.513053][ C2] mptcp_try_fallback+0x14b/0x360 [ 4592.513058][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4592.513065][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4592.513067][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4592.513070][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4592.513075][ C2] __mptcp_retrans+0x42a/0x960 [ 4592.513082][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4592.513087][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4592.513095][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4592.513104][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4592.513106][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4592.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4592.513112][ C2] ? lock_acquire+0x10c/0x170 [ 4592.513115][ C2] ? release_sock+0x1f/0x1d0 [ 4592.513123][ C2] release_sock+0x17f/0x1d0 [ 4592.513127][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4592.513135][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4592.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4592.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4592.513150][ C2] ? find_held_lock+0x2b/0x80 [ 4592.513155][ C2] sock_write_iter+0x3c1/0x520 [ 4592.513162][ C2] ? __up_write+0x1ad/0x530 [ 4592.513168][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4592.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 4592.513183][ C2] vfs_write+0xc0c/0x1210 [ 4592.513187][ C2] ? ksys_write+0x137/0x1d0 [ 4592.513190][ C2] ? __lock_release+0x5d/0x170 [ 4592.513194][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4592.513198][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4592.513205][ C2] ksys_write+0x183/0x1d0 [ 4592.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4592.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4592.513220][ C2] do_syscall_64+0xc1/0x380 [ 4592.513226][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4592.513231][ C2] RIP: 0033:0x7f492fa5f337 [ 4592.513241][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4592.513243][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4592.513247][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4592.513249][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4592.513251][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4592.513253][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4592.513255][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4592.513262][ C2] [ 4608.814476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4608.814883][ C2] rcu: 2-....: (2363829 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=703115 [ 4608.815265][ C2] rcu: (t=2366151 jiffies g=1296501 q=43917 ncpus=4) [ 4608.815625][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4608.815632][ C2] Tainted: [L]=SOFTLOCKUP [ 4608.815634][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4608.815636][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4608.815649][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4608.815653][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4608.815657][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4608.815659][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4608.815662][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4608.815664][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4608.815666][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4608.815669][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4608.815671][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4608.815675][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4608.815677][ C2] PKRU: 55555554 [ 4608.815678][ C2] Call Trace: [ 4608.815680][ C2] [ 4608.815682][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4608.815690][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4608.815696][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4608.815699][ C2] ? lock_acquire+0x10c/0x170 [ 4608.815704][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4608.815712][ C2] mptcp_try_fallback+0x14b/0x360 [ 4608.815716][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4608.815722][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4608.815725][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4608.815728][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4608.815733][ C2] __mptcp_retrans+0x42a/0x960 [ 4608.815739][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4608.815744][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4608.815753][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4608.815761][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4608.815764][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4608.815767][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4608.815770][ C2] ? lock_acquire+0x10c/0x170 [ 4608.815774][ C2] ? release_sock+0x1f/0x1d0 [ 4608.815781][ C2] release_sock+0x17f/0x1d0 [ 4608.815785][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4608.815792][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4608.815796][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4608.815800][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4608.815807][ C2] ? find_held_lock+0x2b/0x80 [ 4608.815811][ C2] sock_write_iter+0x3c1/0x520 [ 4608.815818][ C2] ? __up_write+0x1ad/0x530 [ 4608.815823][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4608.815829][ C2] ? ksys_write+0xf7/0x1d0 [ 4608.815837][ C2] vfs_write+0xc0c/0x1210 [ 4608.815841][ C2] ? ksys_write+0x137/0x1d0 [ 4608.815843][ C2] ? __lock_release+0x5d/0x170 [ 4608.815847][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4608.815851][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4608.815859][ C2] ksys_write+0x183/0x1d0 [ 4608.815862][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4608.815865][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4608.815873][ C2] do_syscall_64+0xc1/0x380 [ 4608.815878][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4608.815882][ C2] RIP: 0033:0x7f492fa5f337 [ 4608.815891][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4608.815893][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4608.815897][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4608.815899][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4608.815901][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4608.815903][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4608.815905][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4608.815911][ C2] [ 4636.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2232s! [mptcp_connect:16967] [ 4636.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4636.512936][ C2] irq event stamp: 66996 [ 4636.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4636.512953][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4636.512958][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4636.512966][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4636.512975][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4636.512982][ C2] Tainted: [L]=SOFTLOCKUP [ 4636.512984][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4636.512987][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4636.512992][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4636.512996][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4636.513000][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4636.513002][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4636.513005][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4636.513007][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4636.513009][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4636.513012][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4636.513015][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4636.513019][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4636.513021][ C2] PKRU: 55555554 [ 4636.513023][ C2] Call Trace: [ 4636.513027][ C2] [ 4636.513031][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4636.513039][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4636.513047][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4636.513050][ C2] ? lock_acquire+0x10c/0x170 [ 4636.513055][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4636.513060][ C2] mptcp_try_fallback+0x14b/0x360 [ 4636.513065][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4636.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4636.513075][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4636.513078][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4636.513083][ C2] __mptcp_retrans+0x42a/0x960 [ 4636.513090][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4636.513095][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4636.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4636.513114][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4636.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4636.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4636.513123][ C2] ? lock_acquire+0x10c/0x170 [ 4636.513126][ C2] ? release_sock+0x1f/0x1d0 [ 4636.513134][ C2] release_sock+0x17f/0x1d0 [ 4636.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4636.513147][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4636.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4636.513155][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4636.513162][ C2] ? find_held_lock+0x2b/0x80 [ 4636.513167][ C2] sock_write_iter+0x3c1/0x520 [ 4636.513175][ C2] ? __up_write+0x1ad/0x530 [ 4636.513181][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4636.513188][ C2] ? ksys_write+0xf7/0x1d0 [ 4636.513197][ C2] vfs_write+0xc0c/0x1210 [ 4636.513201][ C2] ? ksys_write+0x137/0x1d0 [ 4636.513204][ C2] ? __lock_release+0x5d/0x170 [ 4636.513208][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4636.513212][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4636.513221][ C2] ksys_write+0x183/0x1d0 [ 4636.513225][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4636.513227][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4636.513237][ C2] do_syscall_64+0xc1/0x380 [ 4636.513243][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4636.513248][ C2] RIP: 0033:0x7f492fa5f337 [ 4636.513258][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4636.513260][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4636.513264][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4636.513266][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4636.513269][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4636.513271][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4636.513274][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4636.513280][ C2] [ 4664.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2258s! [mptcp_connect:16967] [ 4664.512921][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4664.512943][ C2] irq event stamp: 66996 [ 4664.512945][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4664.512956][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4664.512961][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4664.512967][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4664.512975][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4664.512981][ C2] Tainted: [L]=SOFTLOCKUP [ 4664.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4664.512985][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 4664.512991][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 4664.512994][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4664.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4664.513000][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4664.513002][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4664.513004][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4664.513006][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4664.513008][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4664.513011][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4664.513015][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4664.513017][ C2] PKRU: 55555554 [ 4664.513019][ C2] Call Trace: [ 4664.513022][ C2] [ 4664.513027][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4664.513035][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4664.513041][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4664.513044][ C2] ? lock_acquire+0x10c/0x170 [ 4664.513049][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4664.513054][ C2] mptcp_try_fallback+0x14b/0x360 [ 4664.513059][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4664.513066][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4664.513068][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4664.513071][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4664.513077][ C2] __mptcp_retrans+0x42a/0x960 [ 4664.513082][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4664.513088][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4664.513095][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4664.513103][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4664.513106][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4664.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4664.513112][ C2] ? lock_acquire+0x10c/0x170 [ 4664.513115][ C2] ? release_sock+0x1f/0x1d0 [ 4664.513121][ C2] release_sock+0x17f/0x1d0 [ 4664.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4664.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4664.513137][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4664.513141][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4664.513148][ C2] ? find_held_lock+0x2b/0x80 [ 4664.513152][ C2] sock_write_iter+0x3c1/0x520 [ 4664.513158][ C2] ? __up_write+0x1ad/0x530 [ 4664.513163][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4664.513170][ C2] ? ksys_write+0xf7/0x1d0 [ 4664.513176][ C2] vfs_write+0xc0c/0x1210 [ 4664.513181][ C2] ? ksys_write+0x137/0x1d0 [ 4664.513183][ C2] ? __lock_release+0x5d/0x170 [ 4664.513187][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4664.513192][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4664.513199][ C2] ksys_write+0x183/0x1d0 [ 4664.513203][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4664.513206][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4664.513214][ C2] do_syscall_64+0xc1/0x380 [ 4664.513218][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4664.513223][ C2] RIP: 0033:0x7f492fa5f337 [ 4664.513232][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4664.513234][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4664.513238][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4664.513240][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4664.513242][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4664.513244][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4664.513246][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4664.513253][ C2] [ 4666.799499][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2394104 jiffies s: 68497 root: 0x4/. [ 4666.800053][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4666.800313][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4666.800478][ C2] NMI backtrace for cpu 2 [ 4666.800492][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4666.800499][ C2] Tainted: [L]=SOFTLOCKUP [ 4666.800501][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4666.800504][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 4666.800515][ C2] Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 01 00 [ 4666.800518][ C2] RSP: 0018:ffffc90000218eb8 EFLAGS: 00000046 [ 4666.800522][ C2] RAX: fffffbfff514a2fa RBX: fffffbfff514a2fb RCX: ffffffffa4623da5 [ 4666.800525][ C2] RDX: fffffbfff514a2fb RSI: 0000000000000008 RDI: ffffffffa8a517d0 [ 4666.800527][ C2] RBP: fffffbfff514a2fa R08: 0000000000000000 R09: fffffbfff514a2fa [ 4666.800529][ C2] R10: ffffffffa8a517d7 R11: ffffc90000218ff8 R12: ffff888002126400 [ 4666.800532][ C2] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888006230b00 [ 4666.800534][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4666.800536][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4666.800540][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4666.800543][ C2] PKRU: 55555554 [ 4666.800544][ C2] Call Trace: [ 4666.800548][ C2] [ 4666.800553][ C2] trace_irq_handler_exit+0x35/0x190 [ 4666.800560][ C2] __handle_irq_event_percpu+0x19f/0x310 [ 4666.800566][ C2] handle_irq_event+0xaa/0x1c0 [ 4666.800570][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 4666.800576][ C2] __common_interrupt+0xad/0x1d0 [ 4666.800585][ C2] common_interrupt+0xb9/0xe0 [ 4666.800591][ C2] [ 4666.800593][ C2] [ 4666.800595][ C2] asm_common_interrupt+0x26/0x40 [ 4666.800600][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4666.800607][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4666.800610][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4666.800612][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4666.800614][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4666.800616][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4666.800618][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4666.800620][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4666.800624][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 4666.800631][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4666.800639][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4666.800643][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4666.800646][ C2] ? lock_acquire+0x10c/0x170 [ 4666.800650][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4666.800657][ C2] mptcp_try_fallback+0x14b/0x360 [ 4666.800662][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4666.800669][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4666.800672][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4666.800675][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4666.800680][ C2] __mptcp_retrans+0x42a/0x960 [ 4666.800686][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4666.800691][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4666.800698][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4666.800706][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4666.800709][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4666.800713][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4666.800716][ C2] ? lock_acquire+0x10c/0x170 [ 4666.800719][ C2] ? release_sock+0x1f/0x1d0 [ 4666.800725][ C2] release_sock+0x17f/0x1d0 [ 4666.800730][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4666.800737][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4666.800741][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4666.800745][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4666.800751][ C2] ? find_held_lock+0x2b/0x80 [ 4666.800756][ C2] sock_write_iter+0x3c1/0x520 [ 4666.800761][ C2] ? __up_write+0x1ad/0x530 [ 4666.800766][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4666.800773][ C2] ? ksys_write+0xf7/0x1d0 [ 4666.800780][ C2] vfs_write+0xc0c/0x1210 [ 4666.800784][ C2] ? ksys_write+0x137/0x1d0 [ 4666.800787][ C2] ? __lock_release+0x5d/0x170 [ 4666.800791][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4666.800795][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4666.800802][ C2] ksys_write+0x183/0x1d0 [ 4666.800806][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4666.800809][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4666.800816][ C2] do_syscall_64+0xc1/0x380 [ 4666.800819][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4666.800823][ C2] RIP: 0033:0x7f492fa5f337 [ 4666.800831][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4666.800833][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4666.800836][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4666.800839][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4666.800841][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4666.800843][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4666.800845][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4666.800852][ C2] [ 4686.818477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4686.818895][ C2] rcu: 2-....: (2441762 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=731466 [ 4686.819436][ C2] rcu: (t=2444155 jiffies g=1296501 q=45351 ncpus=4) [ 4686.819686][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4686.819692][ C2] Tainted: [L]=SOFTLOCKUP [ 4686.819694][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4686.819697][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4686.819707][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4686.819710][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4686.819714][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4686.819717][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4686.819719][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4686.819721][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4686.819724][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4686.819726][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4686.819729][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4686.819734][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4686.819736][ C2] PKRU: 55555554 [ 4686.819737][ C2] Call Trace: [ 4686.819739][ C2] [ 4686.819741][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4686.819749][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4686.819754][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4686.819757][ C2] ? lock_acquire+0x10c/0x170 [ 4686.819761][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4686.819768][ C2] mptcp_try_fallback+0x14b/0x360 [ 4686.819772][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4686.819778][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4686.819781][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4686.819784][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4686.819790][ C2] __mptcp_retrans+0x42a/0x960 [ 4686.819795][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4686.819801][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4686.819808][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4686.819815][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4686.819818][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4686.819821][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4686.819824][ C2] ? lock_acquire+0x10c/0x170 [ 4686.819827][ C2] ? release_sock+0x1f/0x1d0 [ 4686.819833][ C2] release_sock+0x17f/0x1d0 [ 4686.819837][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4686.819844][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4686.819848][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4686.819852][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4686.819858][ C2] ? find_held_lock+0x2b/0x80 [ 4686.819862][ C2] sock_write_iter+0x3c1/0x520 [ 4686.819867][ C2] ? __up_write+0x1ad/0x530 [ 4686.819872][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4686.819879][ C2] ? ksys_write+0xf7/0x1d0 [ 4686.819886][ C2] vfs_write+0xc0c/0x1210 [ 4686.819889][ C2] ? ksys_write+0x137/0x1d0 [ 4686.819892][ C2] ? __lock_release+0x5d/0x170 [ 4686.819896][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4686.819899][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4686.819907][ C2] ksys_write+0x183/0x1d0 [ 4686.819910][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4686.819913][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4686.819920][ C2] do_syscall_64+0xc1/0x380 [ 4686.819925][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4686.819929][ C2] RIP: 0033:0x7f492fa5f337 [ 4686.819938][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4686.819940][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4686.819944][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4686.819947][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4686.819949][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4686.819952][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4686.819954][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4686.819960][ C2] [ 4712.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2302s! [mptcp_connect:16967] [ 4712.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4712.512933][ C2] irq event stamp: 66996 [ 4712.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4712.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4712.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4712.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4712.512963][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4712.512969][ C2] Tainted: [L]=SOFTLOCKUP [ 4712.512971][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4712.512974][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4712.512979][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4712.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4712.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4712.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4712.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4712.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4712.512995][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4712.512997][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4712.513000][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4712.513005][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4712.513007][ C2] PKRU: 55555554 [ 4712.513008][ C2] Call Trace: [ 4712.513012][ C2] [ 4712.513016][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4712.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4712.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4712.513033][ C2] ? lock_acquire+0x10c/0x170 [ 4712.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4712.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 4712.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4712.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4712.513057][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4712.513060][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4712.513065][ C2] __mptcp_retrans+0x42a/0x960 [ 4712.513071][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4712.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4712.513084][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4712.513092][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4712.513095][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4712.513099][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4712.513102][ C2] ? lock_acquire+0x10c/0x170 [ 4712.513105][ C2] ? release_sock+0x1f/0x1d0 [ 4712.513112][ C2] release_sock+0x17f/0x1d0 [ 4712.513116][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4712.513124][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4712.513127][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4712.513132][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4712.513138][ C2] ? find_held_lock+0x2b/0x80 [ 4712.513142][ C2] sock_write_iter+0x3c1/0x520 [ 4712.513147][ C2] ? __up_write+0x1ad/0x530 [ 4712.513152][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4712.513159][ C2] ? ksys_write+0xf7/0x1d0 [ 4712.513166][ C2] vfs_write+0xc0c/0x1210 [ 4712.513171][ C2] ? ksys_write+0x137/0x1d0 [ 4712.513173][ C2] ? __lock_release+0x5d/0x170 [ 4712.513177][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4712.513181][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4712.513189][ C2] ksys_write+0x183/0x1d0 [ 4712.513193][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4712.513196][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4712.513203][ C2] do_syscall_64+0xc1/0x380 [ 4712.513208][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4712.513212][ C2] RIP: 0033:0x7f492fa5f337 [ 4712.513221][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4712.513223][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4712.513226][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4712.513228][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4712.513231][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4712.513233][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4712.513235][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4712.513242][ C2] [ 4740.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2328s! [mptcp_connect:16967] [ 4740.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4740.512934][ C2] irq event stamp: 66996 [ 4740.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4740.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4740.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4740.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4740.512967][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4740.512973][ C2] Tainted: [L]=SOFTLOCKUP [ 4740.512974][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4740.512977][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4740.512982][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4740.512986][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4740.512989][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4740.512992][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4740.512994][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4740.512996][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4740.512998][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4740.513000][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4740.513003][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4740.513007][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4740.513010][ C2] PKRU: 55555554 [ 4740.513011][ C2] Call Trace: [ 4740.513015][ C2] [ 4740.513020][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4740.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4740.513033][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4740.513036][ C2] ? lock_acquire+0x10c/0x170 [ 4740.513041][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4740.513045][ C2] mptcp_try_fallback+0x14b/0x360 [ 4740.513050][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4740.513057][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4740.513060][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4740.513063][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4740.513068][ C2] __mptcp_retrans+0x42a/0x960 [ 4740.513074][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4740.513080][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4740.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4740.513095][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4740.513098][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4740.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4740.513105][ C2] ? lock_acquire+0x10c/0x170 [ 4740.513108][ C2] ? release_sock+0x1f/0x1d0 [ 4740.513114][ C2] release_sock+0x17f/0x1d0 [ 4740.513118][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4740.513126][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4740.513130][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4740.513134][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4740.513140][ C2] ? find_held_lock+0x2b/0x80 [ 4740.513145][ C2] sock_write_iter+0x3c1/0x520 [ 4740.513150][ C2] ? __up_write+0x1ad/0x530 [ 4740.513155][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4740.513162][ C2] ? ksys_write+0xf7/0x1d0 [ 4740.513169][ C2] vfs_write+0xc0c/0x1210 [ 4740.513173][ C2] ? ksys_write+0x137/0x1d0 [ 4740.513177][ C2] ? __lock_release+0x5d/0x170 [ 4740.513181][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4740.513185][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4740.513192][ C2] ksys_write+0x183/0x1d0 [ 4740.513196][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4740.513199][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4740.513206][ C2] do_syscall_64+0xc1/0x380 [ 4740.513211][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4740.513216][ C2] RIP: 0033:0x7f492fa5f337 [ 4740.513225][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4740.513227][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4740.513230][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4740.513233][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4740.513236][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4740.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4740.513240][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4740.513247][ C2] [ 4764.822477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4764.822877][ C2] rcu: 2-....: (2519714 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=761275 [ 4764.823405][ C2] rcu: (t=2522159 jiffies g=1296501 q=46374 ncpus=4) [ 4764.823653][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4764.823659][ C2] Tainted: [L]=SOFTLOCKUP [ 4764.823661][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4764.823664][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4764.823673][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4764.823677][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4764.823682][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4764.823684][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4764.823686][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4764.823689][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4764.823691][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4764.823693][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4764.823696][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4764.823700][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4764.823702][ C2] PKRU: 55555554 [ 4764.823704][ C2] Call Trace: [ 4764.823705][ C2] [ 4764.823707][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4764.823715][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4764.823720][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4764.823723][ C2] ? lock_acquire+0x10c/0x170 [ 4764.823727][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4764.823734][ C2] mptcp_try_fallback+0x14b/0x360 [ 4764.823738][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4764.823744][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4764.823747][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4764.823750][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4764.823755][ C2] __mptcp_retrans+0x42a/0x960 [ 4764.823761][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4764.823766][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4764.823773][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4764.823781][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4764.823784][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4764.823787][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4764.823790][ C2] ? lock_acquire+0x10c/0x170 [ 4764.823793][ C2] ? release_sock+0x1f/0x1d0 [ 4764.823800][ C2] release_sock+0x17f/0x1d0 [ 4764.823803][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4764.823811][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4764.823815][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4764.823819][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4764.823825][ C2] ? find_held_lock+0x2b/0x80 [ 4764.823829][ C2] sock_write_iter+0x3c1/0x520 [ 4764.823835][ C2] ? __up_write+0x1ad/0x530 [ 4764.823840][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4764.823847][ C2] ? ksys_write+0xf7/0x1d0 [ 4764.823854][ C2] vfs_write+0xc0c/0x1210 [ 4764.823857][ C2] ? ksys_write+0x137/0x1d0 [ 4764.823860][ C2] ? __lock_release+0x5d/0x170 [ 4764.823864][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4764.823868][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4764.823876][ C2] ksys_write+0x183/0x1d0 [ 4764.823879][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4764.823882][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4764.823889][ C2] do_syscall_64+0xc1/0x380 [ 4764.823894][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4764.823897][ C2] RIP: 0033:0x7f492fa5f337 [ 4764.823906][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4764.823908][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4764.823911][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4764.823913][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4764.823915][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4764.823917][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4764.823920][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4764.823926][ C2] [ 4765.103497][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2492408 jiffies s: 68497 root: 0x4/. [ 4765.104079][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4765.104259][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4765.104432][ C2] NMI backtrace for cpu 2 [ 4765.104441][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4765.104447][ C2] Tainted: [L]=SOFTLOCKUP [ 4765.104449][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4765.104451][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 4765.104459][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 4765.104463][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 4765.104467][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 4765.104469][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 4765.104472][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 4765.104475][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 4765.104477][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 4765.104479][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4765.104483][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4765.104487][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4765.104489][ C2] PKRU: 55555554 [ 4765.104490][ C2] Call Trace: [ 4765.104493][ C2] [ 4765.104495][ C2] ioapic_ack_level+0xcf/0x3d0 [ 4765.104505][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 4765.104511][ C2] __common_interrupt+0xad/0x1d0 [ 4765.104518][ C2] common_interrupt+0xb9/0xe0 [ 4765.104523][ C2] [ 4765.104524][ C2] [ 4765.104526][ C2] asm_common_interrupt+0x26/0x40 [ 4765.104531][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4765.104537][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4765.104540][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4765.104542][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4765.104544][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4765.104546][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4765.104549][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4765.104551][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4765.104555][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 4765.104561][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4765.104568][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4765.104573][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4765.104576][ C2] ? lock_acquire+0x10c/0x170 [ 4765.104580][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4765.104586][ C2] mptcp_try_fallback+0x14b/0x360 [ 4765.104590][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4765.104597][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4765.104600][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4765.104603][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4765.104609][ C2] __mptcp_retrans+0x42a/0x960 [ 4765.104615][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4765.104620][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4765.104627][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4765.104634][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4765.104637][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4765.104640][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4765.104643][ C2] ? lock_acquire+0x10c/0x170 [ 4765.104646][ C2] ? release_sock+0x1f/0x1d0 [ 4765.104652][ C2] release_sock+0x17f/0x1d0 [ 4765.104655][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4765.104663][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4765.104667][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4765.104671][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4765.104676][ C2] ? find_held_lock+0x2b/0x80 [ 4765.104680][ C2] sock_write_iter+0x3c1/0x520 [ 4765.104685][ C2] ? __up_write+0x1ad/0x530 [ 4765.104690][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4765.104697][ C2] ? ksys_write+0xf7/0x1d0 [ 4765.104703][ C2] vfs_write+0xc0c/0x1210 [ 4765.104707][ C2] ? ksys_write+0x137/0x1d0 [ 4765.104709][ C2] ? __lock_release+0x5d/0x170 [ 4765.104714][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4765.104718][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4765.104725][ C2] ksys_write+0x183/0x1d0 [ 4765.104729][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4765.104732][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4765.104738][ C2] do_syscall_64+0xc1/0x380 [ 4765.104742][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4765.104745][ C2] RIP: 0033:0x7f492fa5f337 [ 4765.104752][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4765.104754][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4765.104757][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4765.104760][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4765.104762][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4765.104764][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4765.104766][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4765.104773][ C2] [ 4792.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2377s! [mptcp_connect:16967] [ 4792.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4792.512933][ C2] irq event stamp: 66996 [ 4792.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4792.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4792.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4792.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4792.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4792.512969][ C2] Tainted: [L]=SOFTLOCKUP [ 4792.512971][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4792.512974][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4792.512979][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4792.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4792.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4792.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4792.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4792.512994][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4792.512996][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4792.512998][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4792.513001][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4792.513006][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4792.513008][ C2] PKRU: 55555554 [ 4792.513010][ C2] Call Trace: [ 4792.513014][ C2] [ 4792.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4792.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4792.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4792.513036][ C2] ? lock_acquire+0x10c/0x170 [ 4792.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4792.513046][ C2] mptcp_try_fallback+0x14b/0x360 [ 4792.513050][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4792.513057][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4792.513060][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4792.513063][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4792.513068][ C2] __mptcp_retrans+0x42a/0x960 [ 4792.513074][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4792.513079][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4792.513086][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4792.513094][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4792.513097][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4792.513100][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4792.513103][ C2] ? lock_acquire+0x10c/0x170 [ 4792.513106][ C2] ? release_sock+0x1f/0x1d0 [ 4792.513113][ C2] release_sock+0x17f/0x1d0 [ 4792.513117][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4792.513125][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4792.513129][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4792.513133][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4792.513140][ C2] ? find_held_lock+0x2b/0x80 [ 4792.513144][ C2] sock_write_iter+0x3c1/0x520 [ 4792.513150][ C2] ? __up_write+0x1ad/0x530 [ 4792.513155][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4792.513162][ C2] ? ksys_write+0xf7/0x1d0 [ 4792.513168][ C2] vfs_write+0xc0c/0x1210 [ 4792.513173][ C2] ? ksys_write+0x137/0x1d0 [ 4792.513175][ C2] ? __lock_release+0x5d/0x170 [ 4792.513179][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4792.513184][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4792.513191][ C2] ksys_write+0x183/0x1d0 [ 4792.513195][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4792.513198][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4792.513205][ C2] do_syscall_64+0xc1/0x380 [ 4792.513210][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4792.513214][ C2] RIP: 0033:0x7f492fa5f337 [ 4792.513223][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4792.513225][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4792.513228][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4792.513231][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4792.513234][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4792.513236][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4792.513238][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4792.513244][ C2] [ 4820.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2403s! [mptcp_connect:16967] [ 4820.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4820.512933][ C2] irq event stamp: 66996 [ 4820.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4820.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4820.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4820.512957][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4820.512965][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4820.512971][ C2] Tainted: [L]=SOFTLOCKUP [ 4820.512973][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4820.512975][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4820.512981][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4820.512984][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4820.512988][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4820.512990][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4820.512993][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4820.512995][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4820.512997][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4820.513000][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4820.513003][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4820.513007][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4820.513010][ C2] PKRU: 55555554 [ 4820.513011][ C2] Call Trace: [ 4820.513015][ C2] [ 4820.513020][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4820.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4820.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4820.513037][ C2] ? lock_acquire+0x10c/0x170 [ 4820.513041][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4820.513046][ C2] mptcp_try_fallback+0x14b/0x360 [ 4820.513051][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4820.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4820.513061][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4820.513064][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4820.513069][ C2] __mptcp_retrans+0x42a/0x960 [ 4820.513076][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4820.513081][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4820.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4820.513096][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4820.513099][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4820.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4820.513105][ C2] ? lock_acquire+0x10c/0x170 [ 4820.513108][ C2] ? release_sock+0x1f/0x1d0 [ 4820.513115][ C2] release_sock+0x17f/0x1d0 [ 4820.513119][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4820.513127][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4820.513131][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4820.513136][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4820.513142][ C2] ? find_held_lock+0x2b/0x80 [ 4820.513146][ C2] sock_write_iter+0x3c1/0x520 [ 4820.513152][ C2] ? __up_write+0x1ad/0x530 [ 4820.513157][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4820.513164][ C2] ? ksys_write+0xf7/0x1d0 [ 4820.513171][ C2] vfs_write+0xc0c/0x1210 [ 4820.513176][ C2] ? ksys_write+0x137/0x1d0 [ 4820.513179][ C2] ? __lock_release+0x5d/0x170 [ 4820.513183][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4820.513187][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4820.513194][ C2] ksys_write+0x183/0x1d0 [ 4820.513199][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4820.513201][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4820.513208][ C2] do_syscall_64+0xc1/0x380 [ 4820.513213][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4820.513218][ C2] RIP: 0033:0x7f492fa5f337 [ 4820.513227][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4820.513229][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4820.513232][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4820.513235][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4820.513237][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4820.513239][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4820.513241][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4820.513247][ C2] [ 4842.827476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4842.827898][ C2] rcu: 2-....: (2597650 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=791749 [ 4842.828424][ C2] rcu: (t=2600164 jiffies g=1296501 q=47803 ncpus=4) [ 4842.828674][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4842.828680][ C2] Tainted: [L]=SOFTLOCKUP [ 4842.828682][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4842.828685][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4842.828695][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4842.828699][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4842.828703][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4842.828705][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4842.828708][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4842.828710][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4842.828712][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4842.828714][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4842.828717][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4842.828722][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4842.828724][ C2] PKRU: 55555554 [ 4842.828726][ C2] Call Trace: [ 4842.828728][ C2] [ 4842.828730][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4842.828738][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4842.828743][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4842.828746][ C2] ? lock_acquire+0x10c/0x170 [ 4842.828750][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4842.828757][ C2] mptcp_try_fallback+0x14b/0x360 [ 4842.828761][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4842.828768][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4842.828771][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4842.828774][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4842.828779][ C2] __mptcp_retrans+0x42a/0x960 [ 4842.828785][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4842.828791][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4842.828799][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4842.828806][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4842.828809][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4842.828812][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4842.828815][ C2] ? lock_acquire+0x10c/0x170 [ 4842.828818][ C2] ? release_sock+0x1f/0x1d0 [ 4842.828824][ C2] release_sock+0x17f/0x1d0 [ 4842.828827][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4842.828835][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4842.828839][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4842.828843][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4842.828849][ C2] ? find_held_lock+0x2b/0x80 [ 4842.828853][ C2] sock_write_iter+0x3c1/0x520 [ 4842.828858][ C2] ? __up_write+0x1ad/0x530 [ 4842.828863][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4842.828870][ C2] ? ksys_write+0xf7/0x1d0 [ 4842.828876][ C2] vfs_write+0xc0c/0x1210 [ 4842.828880][ C2] ? ksys_write+0x137/0x1d0 [ 4842.828883][ C2] ? __lock_release+0x5d/0x170 [ 4842.828886][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4842.828890][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4842.828898][ C2] ksys_write+0x183/0x1d0 [ 4842.828901][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4842.828904][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4842.828911][ C2] do_syscall_64+0xc1/0x380 [ 4842.828915][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4842.828919][ C2] RIP: 0033:0x7f492fa5f337 [ 4842.828928][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4842.828930][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4842.828934][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4842.828936][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4842.828939][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4842.828941][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4842.828943][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4842.828950][ C2] [ 4863.407495][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2590712 jiffies s: 68497 root: 0x4/. [ 4863.408111][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4863.408305][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4863.408498][ C2] NMI backtrace for cpu 2 [ 4863.408508][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4863.408514][ C2] Tainted: [L]=SOFTLOCKUP [ 4863.408516][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4863.408519][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4863.408530][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4863.408534][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4863.408538][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4863.408540][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4863.408543][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4863.408545][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4863.408548][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4863.408550][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4863.408553][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4863.408557][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4863.408559][ C2] PKRU: 55555554 [ 4863.408560][ C2] Call Trace: [ 4863.408563][ C2] [ 4863.408567][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4863.408575][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4863.408581][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4863.408584][ C2] ? lock_acquire+0x10c/0x170 [ 4863.408588][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4863.408595][ C2] mptcp_try_fallback+0x14b/0x360 [ 4863.408600][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4863.408606][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4863.408609][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4863.408612][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4863.408618][ C2] __mptcp_retrans+0x42a/0x960 [ 4863.408623][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4863.408629][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4863.408636][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4863.408644][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4863.408646][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4863.408649][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4863.408652][ C2] ? lock_acquire+0x10c/0x170 [ 4863.408655][ C2] ? release_sock+0x1f/0x1d0 [ 4863.408661][ C2] release_sock+0x17f/0x1d0 [ 4863.408666][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4863.408674][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4863.408678][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4863.408682][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4863.408688][ C2] ? find_held_lock+0x2b/0x80 [ 4863.408693][ C2] sock_write_iter+0x3c1/0x520 [ 4863.408698][ C2] ? __up_write+0x1ad/0x530 [ 4863.408703][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4863.408710][ C2] ? ksys_write+0xf7/0x1d0 [ 4863.408717][ C2] vfs_write+0xc0c/0x1210 [ 4863.408720][ C2] ? ksys_write+0x137/0x1d0 [ 4863.408723][ C2] ? __lock_release+0x5d/0x170 [ 4863.408727][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4863.408731][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4863.408739][ C2] ksys_write+0x183/0x1d0 [ 4863.408742][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4863.408745][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4863.408752][ C2] do_syscall_64+0xc1/0x380 [ 4863.408757][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4863.408762][ C2] RIP: 0033:0x7f492fa5f337 [ 4863.408770][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4863.408772][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4863.408776][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4863.408778][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4863.408780][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4863.408783][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4863.408785][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4863.408791][ C2] [ 4888.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2466s! [mptcp_connect:16967] [ 4888.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4888.512934][ C2] irq event stamp: 66996 [ 4888.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4888.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4888.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4888.512958][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4888.512967][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4888.512973][ C2] Tainted: [L]=SOFTLOCKUP [ 4888.512975][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4888.512977][ C2] RIP: 0010:queued_spin_lock_slowpath+0xc7/0x9c0 [ 4888.512983][ C2] Code: ff df 49 01 c6 41 83 c5 03 be 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 84 c0 0f 85 8d 07 00 00 8b 45 00 <89> 44 24 40 85 c0 0f 85 6e 01 00 00 48 89 ef be 04 00 00 00 e8 60 [ 4888.512986][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000246 [ 4888.512990][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4888.512992][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4888.512994][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4888.512996][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4888.512999][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4888.513001][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4888.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4888.513009][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4888.513011][ C2] PKRU: 55555554 [ 4888.513013][ C2] Call Trace: [ 4888.513016][ C2] [ 4888.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4888.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4888.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4888.513038][ C2] ? lock_acquire+0x10c/0x170 [ 4888.513042][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4888.513047][ C2] mptcp_try_fallback+0x14b/0x360 [ 4888.513052][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4888.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4888.513061][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4888.513065][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4888.513070][ C2] __mptcp_retrans+0x42a/0x960 [ 4888.513075][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4888.513081][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4888.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4888.513096][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4888.513098][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4888.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4888.513105][ C2] ? lock_acquire+0x10c/0x170 [ 4888.513108][ C2] ? release_sock+0x1f/0x1d0 [ 4888.513115][ C2] release_sock+0x17f/0x1d0 [ 4888.513119][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4888.513127][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4888.513131][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4888.513135][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4888.513141][ C2] ? find_held_lock+0x2b/0x80 [ 4888.513145][ C2] sock_write_iter+0x3c1/0x520 [ 4888.513151][ C2] ? __up_write+0x1ad/0x530 [ 4888.513156][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4888.513163][ C2] ? ksys_write+0xf7/0x1d0 [ 4888.513171][ C2] vfs_write+0xc0c/0x1210 [ 4888.513175][ C2] ? ksys_write+0x137/0x1d0 [ 4888.513178][ C2] ? __lock_release+0x5d/0x170 [ 4888.513182][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4888.513186][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4888.513194][ C2] ksys_write+0x183/0x1d0 [ 4888.513197][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4888.513200][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4888.513207][ C2] do_syscall_64+0xc1/0x380 [ 4888.513212][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4888.513216][ C2] RIP: 0033:0x7f492fa5f337 [ 4888.513225][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4888.513227][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4888.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4888.513234][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4888.513236][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4888.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4888.513240][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4888.513247][ C2] [ 4916.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2492s! [mptcp_connect:16967] [ 4916.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4916.512933][ C2] irq event stamp: 66996 [ 4916.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4916.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4916.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4916.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4916.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4916.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 4916.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4916.512974][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4916.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4916.512984][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4916.512987][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4916.512990][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4916.512992][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4916.512994][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4916.512997][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4916.512999][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4916.513002][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4916.513006][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4916.513008][ C2] PKRU: 55555554 [ 4916.513010][ C2] Call Trace: [ 4916.513014][ C2] [ 4916.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4916.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4916.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4916.513035][ C2] ? lock_acquire+0x10c/0x170 [ 4916.513039][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4916.513044][ C2] mptcp_try_fallback+0x14b/0x360 [ 4916.513048][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4916.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4916.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4916.513061][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4916.513067][ C2] __mptcp_retrans+0x42a/0x960 [ 4916.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4916.513078][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4916.513085][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4916.513093][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4916.513096][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4916.513099][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4916.513102][ C2] ? lock_acquire+0x10c/0x170 [ 4916.513106][ C2] ? release_sock+0x1f/0x1d0 [ 4916.513112][ C2] release_sock+0x17f/0x1d0 [ 4916.513117][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4916.513125][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4916.513129][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4916.513133][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4916.513139][ C2] ? find_held_lock+0x2b/0x80 [ 4916.513144][ C2] sock_write_iter+0x3c1/0x520 [ 4916.513149][ C2] ? __up_write+0x1ad/0x530 [ 4916.513154][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4916.513161][ C2] ? ksys_write+0xf7/0x1d0 [ 4916.513168][ C2] vfs_write+0xc0c/0x1210 [ 4916.513172][ C2] ? ksys_write+0x137/0x1d0 [ 4916.513175][ C2] ? __lock_release+0x5d/0x170 [ 4916.513179][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4916.513183][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4916.513191][ C2] ksys_write+0x183/0x1d0 [ 4916.513194][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4916.513197][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4916.513204][ C2] do_syscall_64+0xc1/0x380 [ 4916.513208][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4916.513213][ C2] RIP: 0033:0x7f492fa5f337 [ 4916.513222][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4916.513224][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4916.513228][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4916.513230][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4916.513233][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4916.513235][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4916.513237][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4916.513243][ C2] [ 4920.832475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4920.832883][ C2] rcu: 2-....: (2675590 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=823193 [ 4920.833404][ C2] rcu: (t=2678169 jiffies g=1296501 q=49148 ncpus=4) [ 4920.833652][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4920.833659][ C2] Tainted: [L]=SOFTLOCKUP [ 4920.833661][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4920.833663][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4920.833673][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4920.833677][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4920.833681][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4920.833683][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4920.833685][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4920.833688][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4920.833690][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4920.833692][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4920.833695][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4920.833699][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4920.833702][ C2] PKRU: 55555554 [ 4920.833704][ C2] Call Trace: [ 4920.833705][ C2] [ 4920.833707][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4920.833716][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4920.833721][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4920.833724][ C2] ? lock_acquire+0x10c/0x170 [ 4920.833728][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4920.833735][ C2] mptcp_try_fallback+0x14b/0x360 [ 4920.833739][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4920.833746][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4920.833748][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4920.833752][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4920.833757][ C2] __mptcp_retrans+0x42a/0x960 [ 4920.833763][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4920.833768][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4920.833776][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4920.833784][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4920.833787][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4920.833790][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4920.833793][ C2] ? lock_acquire+0x10c/0x170 [ 4920.833796][ C2] ? release_sock+0x1f/0x1d0 [ 4920.833802][ C2] release_sock+0x17f/0x1d0 [ 4920.833806][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4920.833813][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4920.833817][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4920.833821][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4920.833827][ C2] ? find_held_lock+0x2b/0x80 [ 4920.833831][ C2] sock_write_iter+0x3c1/0x520 [ 4920.833836][ C2] ? __up_write+0x1ad/0x530 [ 4920.833841][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4920.833847][ C2] ? ksys_write+0xf7/0x1d0 [ 4920.833854][ C2] vfs_write+0xc0c/0x1210 [ 4920.833858][ C2] ? ksys_write+0x137/0x1d0 [ 4920.833860][ C2] ? __lock_release+0x5d/0x170 [ 4920.833864][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4920.833868][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4920.833877][ C2] ksys_write+0x183/0x1d0 [ 4920.833880][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4920.833883][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4920.833890][ C2] do_syscall_64+0xc1/0x380 [ 4920.833894][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4920.833898][ C2] RIP: 0033:0x7f492fa5f337 [ 4920.833907][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4920.833909][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4920.833913][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4920.833915][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4920.833917][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4920.833920][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4920.833922][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4920.833928][ C2] [ 4948.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2522s! [mptcp_connect:16967] [ 4948.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4948.512935][ C2] irq event stamp: 66996 [ 4948.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4948.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4948.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4948.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4948.512967][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4948.512973][ C2] Tainted: [L]=SOFTLOCKUP [ 4948.512975][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4948.512977][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4948.512983][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4948.512986][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4948.512989][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4948.512992][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4948.512995][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4948.512997][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4948.512999][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4948.513002][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4948.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4948.513009][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4948.513011][ C2] PKRU: 55555554 [ 4948.513013][ C2] Call Trace: [ 4948.513017][ C2] [ 4948.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4948.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4948.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4948.513037][ C2] ? lock_acquire+0x10c/0x170 [ 4948.513041][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4948.513046][ C2] mptcp_try_fallback+0x14b/0x360 [ 4948.513051][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4948.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4948.513061][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4948.513064][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4948.513069][ C2] __mptcp_retrans+0x42a/0x960 [ 4948.513076][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4948.513081][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4948.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4948.513096][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4948.513099][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4948.513103][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4948.513106][ C2] ? lock_acquire+0x10c/0x170 [ 4948.513109][ C2] ? release_sock+0x1f/0x1d0 [ 4948.513115][ C2] release_sock+0x17f/0x1d0 [ 4948.513119][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4948.513127][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4948.513131][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4948.513135][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4948.513141][ C2] ? find_held_lock+0x2b/0x80 [ 4948.513146][ C2] sock_write_iter+0x3c1/0x520 [ 4948.513151][ C2] ? __up_write+0x1ad/0x530 [ 4948.513156][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4948.513164][ C2] ? ksys_write+0xf7/0x1d0 [ 4948.513170][ C2] vfs_write+0xc0c/0x1210 [ 4948.513174][ C2] ? ksys_write+0x137/0x1d0 [ 4948.513177][ C2] ? __lock_release+0x5d/0x170 [ 4948.513181][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4948.513185][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4948.513193][ C2] ksys_write+0x183/0x1d0 [ 4948.513196][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4948.513199][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4948.513207][ C2] do_syscall_64+0xc1/0x380 [ 4948.513212][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4948.513216][ C2] RIP: 0033:0x7f492fa5f337 [ 4948.513225][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4948.513227][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4948.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4948.513233][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4948.513236][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4948.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4948.513240][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4948.513246][ C2] [ 4961.712489][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2689017 jiffies s: 68497 root: 0x4/. [ 4961.713014][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4961.713207][ T17] Sending NMI from CPU 1 to CPUs 2: [ 4961.713457][ C2] NMI backtrace for cpu 2 [ 4961.713467][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4961.713475][ C2] Tainted: [L]=SOFTLOCKUP [ 4961.713477][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4961.713480][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 4961.713489][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <72> 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 [ 4961.713493][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 4961.713497][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4961.713499][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4961.713501][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4961.713504][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4961.713507][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4961.713509][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4961.713512][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4961.713516][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4961.713518][ C2] PKRU: 55555554 [ 4961.713520][ C2] Call Trace: [ 4961.713523][ C2] [ 4961.713529][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4961.713537][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4961.713545][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4961.713550][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4961.713553][ C2] ? lock_acquire+0x10c/0x170 [ 4961.713557][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4961.713564][ C2] mptcp_try_fallback+0x14b/0x360 [ 4961.713568][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4961.713575][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4961.713578][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4961.713581][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4961.713586][ C2] __mptcp_retrans+0x42a/0x960 [ 4961.713592][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4961.713598][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4961.713605][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4961.713613][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4961.713615][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4961.713619][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4961.713622][ C2] ? lock_acquire+0x10c/0x170 [ 4961.713625][ C2] ? release_sock+0x1f/0x1d0 [ 4961.713631][ C2] release_sock+0x17f/0x1d0 [ 4961.713635][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4961.713642][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4961.713646][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4961.713650][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4961.713656][ C2] ? find_held_lock+0x2b/0x80 [ 4961.713660][ C2] sock_write_iter+0x3c1/0x520 [ 4961.713666][ C2] ? __up_write+0x1ad/0x530 [ 4961.713670][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4961.713677][ C2] ? ksys_write+0xf7/0x1d0 [ 4961.713683][ C2] vfs_write+0xc0c/0x1210 [ 4961.713687][ C2] ? ksys_write+0x137/0x1d0 [ 4961.713690][ C2] ? __lock_release+0x5d/0x170 [ 4961.713695][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4961.713699][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4961.713706][ C2] ksys_write+0x183/0x1d0 [ 4961.713710][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4961.713712][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4961.713719][ C2] do_syscall_64+0xc1/0x380 [ 4961.713724][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4961.713729][ C2] RIP: 0033:0x7f492fa5f337 [ 4961.713738][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4961.713740][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4961.713743][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4961.713746][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4961.713748][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4961.713751][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4961.713753][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4961.713759][ C2] [ 4988.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2559s! [mptcp_connect:16967] [ 4988.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 4988.512933][ C2] irq event stamp: 66996 [ 4988.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4988.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4988.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 4988.512957][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 4988.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4988.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 4988.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4988.512975][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4988.512981][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4988.512984][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4988.512988][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4988.512990][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4988.512993][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4988.512995][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4988.512997][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4988.512999][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4988.513003][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4988.513007][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4988.513009][ C2] PKRU: 55555554 [ 4988.513010][ C2] Call Trace: [ 4988.513014][ C2] [ 4988.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4988.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4988.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4988.513035][ C2] ? lock_acquire+0x10c/0x170 [ 4988.513039][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4988.513044][ C2] mptcp_try_fallback+0x14b/0x360 [ 4988.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4988.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4988.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4988.513061][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4988.513066][ C2] __mptcp_retrans+0x42a/0x960 [ 4988.513073][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4988.513078][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4988.513086][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4988.513093][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4988.513097][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4988.513100][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4988.513103][ C2] ? lock_acquire+0x10c/0x170 [ 4988.513106][ C2] ? release_sock+0x1f/0x1d0 [ 4988.513113][ C2] release_sock+0x17f/0x1d0 [ 4988.513117][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4988.513125][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4988.513128][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4988.513132][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4988.513138][ C2] ? find_held_lock+0x2b/0x80 [ 4988.513143][ C2] sock_write_iter+0x3c1/0x520 [ 4988.513148][ C2] ? __up_write+0x1ad/0x530 [ 4988.513153][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4988.513160][ C2] ? ksys_write+0xf7/0x1d0 [ 4988.513167][ C2] vfs_write+0xc0c/0x1210 [ 4988.513171][ C2] ? ksys_write+0x137/0x1d0 [ 4988.513174][ C2] ? __lock_release+0x5d/0x170 [ 4988.513178][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4988.513182][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4988.513190][ C2] ksys_write+0x183/0x1d0 [ 4988.513194][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4988.513197][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4988.513204][ C2] do_syscall_64+0xc1/0x380 [ 4988.513209][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4988.513213][ C2] RIP: 0033:0x7f492fa5f337 [ 4988.513222][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4988.513224][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4988.513227][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4988.513229][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4988.513231][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4988.513234][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4988.513236][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4988.513242][ C2] [ 4998.837475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4998.837822][ C2] rcu: 2-....: (2753529 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=851986 [ 4998.838369][ C2] rcu: (t=2756174 jiffies g=1296501 q=50496 ncpus=4) [ 4998.838618][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4998.838625][ C2] Tainted: [L]=SOFTLOCKUP [ 4998.838627][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4998.838629][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4998.838640][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4998.838643][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 4998.838647][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 4998.838650][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 4998.838652][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 4998.838654][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 4998.838656][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 4998.838659][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 4998.838661][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4998.838665][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 4998.838667][ C2] PKRU: 55555554 [ 4998.838669][ C2] Call Trace: [ 4998.838670][ C2] [ 4998.838673][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4998.838681][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4998.838686][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4998.838689][ C2] ? lock_acquire+0x10c/0x170 [ 4998.838693][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4998.838700][ C2] mptcp_try_fallback+0x14b/0x360 [ 4998.838704][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4998.838710][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4998.838713][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4998.838716][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4998.838722][ C2] __mptcp_retrans+0x42a/0x960 [ 4998.838727][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4998.838733][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4998.838741][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4998.838749][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4998.838752][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4998.838756][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4998.838758][ C2] ? lock_acquire+0x10c/0x170 [ 4998.838761][ C2] ? release_sock+0x1f/0x1d0 [ 4998.838768][ C2] release_sock+0x17f/0x1d0 [ 4998.838771][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4998.838778][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4998.838782][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4998.838786][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4998.838792][ C2] ? find_held_lock+0x2b/0x80 [ 4998.838796][ C2] sock_write_iter+0x3c1/0x520 [ 4998.838802][ C2] ? __up_write+0x1ad/0x530 [ 4998.838806][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4998.838813][ C2] ? ksys_write+0xf7/0x1d0 [ 4998.838820][ C2] vfs_write+0xc0c/0x1210 [ 4998.838823][ C2] ? ksys_write+0x137/0x1d0 [ 4998.838826][ C2] ? __lock_release+0x5d/0x170 [ 4998.838830][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4998.838834][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4998.838842][ C2] ksys_write+0x183/0x1d0 [ 4998.838845][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4998.838848][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4998.838856][ C2] do_syscall_64+0xc1/0x380 [ 4998.838860][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4998.838864][ C2] RIP: 0033:0x7f492fa5f337 [ 4998.838873][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 4998.838875][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4998.838878][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 4998.838881][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 4998.838883][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 4998.838886][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 4998.838888][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 4998.838895][ C2] [ 5024.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2593s! [mptcp_connect:16967] [ 5024.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5024.512932][ C2] irq event stamp: 66996 [ 5024.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5024.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5024.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5024.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5024.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5024.512971][ C2] Tainted: [L]=SOFTLOCKUP [ 5024.512973][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5024.512976][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 5024.512983][ C2] Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 01 00 [ 5024.512986][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 5024.512990][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 5024.512993][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5024.512995][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5024.512997][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5024.513000][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5024.513002][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5024.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5024.513009][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5024.513011][ C2] PKRU: 55555554 [ 5024.513013][ C2] Call Trace: [ 5024.513016][ C2] [ 5024.513020][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5024.513026][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5024.513034][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5024.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5024.513043][ C2] ? lock_acquire+0x10c/0x170 [ 5024.513047][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5024.513052][ C2] mptcp_try_fallback+0x14b/0x360 [ 5024.513057][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5024.513064][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5024.513067][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5024.513069][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5024.513075][ C2] __mptcp_retrans+0x42a/0x960 [ 5024.513081][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5024.513086][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5024.513094][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5024.513101][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5024.513104][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5024.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5024.513111][ C2] ? lock_acquire+0x10c/0x170 [ 5024.513114][ C2] ? release_sock+0x1f/0x1d0 [ 5024.513120][ C2] release_sock+0x17f/0x1d0 [ 5024.513124][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5024.513131][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5024.513135][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5024.513140][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5024.513146][ C2] ? find_held_lock+0x2b/0x80 [ 5024.513151][ C2] sock_write_iter+0x3c1/0x520 [ 5024.513156][ C2] ? __up_write+0x1ad/0x530 [ 5024.513161][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5024.513168][ C2] ? ksys_write+0xf7/0x1d0 [ 5024.513175][ C2] vfs_write+0xc0c/0x1210 [ 5024.513179][ C2] ? ksys_write+0x137/0x1d0 [ 5024.513182][ C2] ? __lock_release+0x5d/0x170 [ 5024.513186][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5024.513190][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5024.513197][ C2] ksys_write+0x183/0x1d0 [ 5024.513201][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5024.513204][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5024.513211][ C2] do_syscall_64+0xc1/0x380 [ 5024.513215][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5024.513220][ C2] RIP: 0033:0x7f492fa5f337 [ 5024.513228][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5024.513230][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5024.513234][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5024.513236][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5024.513238][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5024.513240][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5024.513242][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5024.513249][ C2] [ 5052.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2619s! [mptcp_connect:16967] [ 5052.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5052.512933][ C2] irq event stamp: 66996 [ 5052.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5052.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5052.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5052.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5052.512963][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5052.512969][ C2] Tainted: [L]=SOFTLOCKUP [ 5052.512971][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5052.512973][ C2] RIP: 0010:kasan_check_range+0x10f/0x1c0 [ 5052.512980][ C2] Code: 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff 5b b8 01 00 00 00 5d 41 5c 3c fa 1a 02 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c 48 83 [ 5052.512983][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 5052.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5052.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5052.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5052.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5052.512995][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5052.512997][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5052.513000][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5052.513004][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5052.513006][ C2] PKRU: 55555554 [ 5052.513007][ C2] Call Trace: [ 5052.513012][ C2] [ 5052.513014][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5052.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5052.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5052.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5052.513037][ C2] ? lock_acquire+0x10c/0x170 [ 5052.513041][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5052.513046][ C2] mptcp_try_fallback+0x14b/0x360 [ 5052.513050][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5052.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5052.513059][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5052.513062][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5052.513067][ C2] __mptcp_retrans+0x42a/0x960 [ 5052.513073][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5052.513078][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5052.513086][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5052.513093][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5052.513096][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5052.513099][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5052.513102][ C2] ? lock_acquire+0x10c/0x170 [ 5052.513105][ C2] ? release_sock+0x1f/0x1d0 [ 5052.513111][ C2] release_sock+0x17f/0x1d0 [ 5052.513115][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5052.513123][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5052.513127][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5052.513131][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5052.513137][ C2] ? find_held_lock+0x2b/0x80 [ 5052.513141][ C2] sock_write_iter+0x3c1/0x520 [ 5052.513146][ C2] ? __up_write+0x1ad/0x530 [ 5052.513151][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5052.513158][ C2] ? ksys_write+0xf7/0x1d0 [ 5052.513164][ C2] vfs_write+0xc0c/0x1210 [ 5052.513168][ C2] ? ksys_write+0x137/0x1d0 [ 5052.513170][ C2] ? __lock_release+0x5d/0x170 [ 5052.513174][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5052.513178][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5052.513186][ C2] ksys_write+0x183/0x1d0 [ 5052.513189][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5052.513192][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5052.513199][ C2] do_syscall_64+0xc1/0x380 [ 5052.513203][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5052.513208][ C2] RIP: 0033:0x7f492fa5f337 [ 5052.513216][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5052.513218][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5052.513221][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5052.513224][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5052.513226][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5052.513228][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5052.513230][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5052.513236][ C2] [ 5060.015492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2787320 jiffies s: 68497 root: 0x4/. [ 5060.015971][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5060.016164][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5060.016414][ C2] NMI backtrace for cpu 2 [ 5060.016423][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5060.016429][ C2] Tainted: [L]=SOFTLOCKUP [ 5060.016431][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5060.016434][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5060.016442][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 5060.016445][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5060.016449][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 5060.016451][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5060.016453][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5060.016455][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5060.016458][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 5060.016460][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5060.016462][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5060.016466][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5060.016468][ C2] PKRU: 55555554 [ 5060.016470][ C2] Call Trace: [ 5060.016474][ C2] [ 5060.016476][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5060.016484][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5060.016491][ C2] __common_interrupt+0xad/0x1d0 [ 5060.016497][ C2] common_interrupt+0xb9/0xe0 [ 5060.016503][ C2] [ 5060.016504][ C2] [ 5060.016506][ C2] asm_common_interrupt+0x26/0x40 [ 5060.016511][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5060.016516][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5060.016519][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5060.016522][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5060.016523][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5060.016525][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5060.016527][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5060.016529][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5060.016533][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5060.016540][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5060.016546][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5060.016551][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5060.016553][ C2] ? lock_acquire+0x10c/0x170 [ 5060.016557][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5060.016564][ C2] mptcp_try_fallback+0x14b/0x360 [ 5060.016568][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5060.016575][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5060.016577][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5060.016580][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5060.016585][ C2] __mptcp_retrans+0x42a/0x960 [ 5060.016591][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5060.016596][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5060.016603][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5060.016610][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5060.016613][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5060.016616][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5060.016619][ C2] ? lock_acquire+0x10c/0x170 [ 5060.016622][ C2] ? release_sock+0x1f/0x1d0 [ 5060.016628][ C2] release_sock+0x17f/0x1d0 [ 5060.016632][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5060.016639][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5060.016643][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5060.016647][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5060.016653][ C2] ? find_held_lock+0x2b/0x80 [ 5060.016657][ C2] sock_write_iter+0x3c1/0x520 [ 5060.016662][ C2] ? __up_write+0x1ad/0x530 [ 5060.016667][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5060.016673][ C2] ? ksys_write+0xf7/0x1d0 [ 5060.016680][ C2] vfs_write+0xc0c/0x1210 [ 5060.016684][ C2] ? ksys_write+0x137/0x1d0 [ 5060.016686][ C2] ? __lock_release+0x5d/0x170 [ 5060.016690][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5060.016694][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5060.016701][ C2] ksys_write+0x183/0x1d0 [ 5060.016704][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5060.016707][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5060.016713][ C2] do_syscall_64+0xc1/0x380 [ 5060.016717][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5060.016720][ C2] RIP: 0033:0x7f492fa5f337 [ 5060.016729][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5060.016731][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5060.016734][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5060.016736][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5060.016738][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5060.016740][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5060.016742][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5060.016748][ C2] [ 5076.842475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5076.842973][ C2] rcu: 2-....: (2831461 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=881379 [ 5076.843413][ C2] rcu: (t=2834179 jiffies g=1296501 q=51928 ncpus=4) [ 5076.843809][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5076.843815][ C2] Tainted: [L]=SOFTLOCKUP [ 5076.843817][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5076.843819][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 5076.843828][ C2] Code: 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f [ 5076.843831][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 5076.843835][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5076.843837][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5076.843839][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5076.843841][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5076.843843][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5076.843845][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5076.843848][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5076.843852][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5076.843854][ C2] PKRU: 55555554 [ 5076.843855][ C2] Call Trace: [ 5076.843857][ C2] [ 5076.843858][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5076.843866][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5076.843873][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5076.843878][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5076.843880][ C2] ? lock_acquire+0x10c/0x170 [ 5076.843884][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5076.843891][ C2] mptcp_try_fallback+0x14b/0x360 [ 5076.843895][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5076.843901][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5076.843904][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5076.843907][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5076.843912][ C2] __mptcp_retrans+0x42a/0x960 [ 5076.843917][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5076.843923][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5076.843931][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5076.843938][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5076.843941][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5076.843944][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5076.843947][ C2] ? lock_acquire+0x10c/0x170 [ 5076.843950][ C2] ? release_sock+0x1f/0x1d0 [ 5076.843956][ C2] release_sock+0x17f/0x1d0 [ 5076.843959][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5076.843967][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5076.843971][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5076.843975][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5076.843981][ C2] ? find_held_lock+0x2b/0x80 [ 5076.843985][ C2] sock_write_iter+0x3c1/0x520 [ 5076.843990][ C2] ? __up_write+0x1ad/0x530 [ 5076.843995][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5076.844001][ C2] ? ksys_write+0xf7/0x1d0 [ 5076.844008][ C2] vfs_write+0xc0c/0x1210 [ 5076.844011][ C2] ? ksys_write+0x137/0x1d0 [ 5076.844014][ C2] ? __lock_release+0x5d/0x170 [ 5076.844018][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5076.844022][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5076.844029][ C2] ksys_write+0x183/0x1d0 [ 5076.844032][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5076.844035][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5076.844041][ C2] do_syscall_64+0xc1/0x380 [ 5076.844045][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5076.844049][ C2] RIP: 0033:0x7f492fa5f337 [ 5076.844057][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5076.844058][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5076.844062][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5076.844064][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5076.844066][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5076.844068][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5076.844069][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5076.844075][ C2] [ 5104.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2667s! [mptcp_connect:16967] [ 5104.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5104.512932][ C2] irq event stamp: 66996 [ 5104.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5104.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5104.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5104.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5104.512963][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5104.512969][ C2] Tainted: [L]=SOFTLOCKUP [ 5104.512970][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5104.512973][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 5104.512980][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 5104.512983][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 5104.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5104.512988][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5104.512990][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5104.512992][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5104.512994][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5104.512996][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5104.512999][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5104.513003][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5104.513005][ C2] PKRU: 55555554 [ 5104.513006][ C2] Call Trace: [ 5104.513010][ C2] [ 5104.513011][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5104.513019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5104.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5104.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5104.513034][ C2] ? lock_acquire+0x10c/0x170 [ 5104.513038][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5104.513043][ C2] mptcp_try_fallback+0x14b/0x360 [ 5104.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5104.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5104.513057][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5104.513060][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5104.513064][ C2] __mptcp_retrans+0x42a/0x960 [ 5104.513070][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5104.513075][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5104.513083][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5104.513090][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5104.513093][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5104.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5104.513099][ C2] ? lock_acquire+0x10c/0x170 [ 5104.513102][ C2] ? release_sock+0x1f/0x1d0 [ 5104.513108][ C2] release_sock+0x17f/0x1d0 [ 5104.513112][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5104.513120][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5104.513123][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5104.513127][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5104.513134][ C2] ? find_held_lock+0x2b/0x80 [ 5104.513138][ C2] sock_write_iter+0x3c1/0x520 [ 5104.513143][ C2] ? __up_write+0x1ad/0x530 [ 5104.513148][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5104.513154][ C2] ? ksys_write+0xf7/0x1d0 [ 5104.513161][ C2] vfs_write+0xc0c/0x1210 [ 5104.513165][ C2] ? ksys_write+0x137/0x1d0 [ 5104.513167][ C2] ? __lock_release+0x5d/0x170 [ 5104.513171][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5104.513175][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5104.513182][ C2] ksys_write+0x183/0x1d0 [ 5104.513186][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5104.513189][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5104.513196][ C2] do_syscall_64+0xc1/0x380 [ 5104.513200][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5104.513205][ C2] RIP: 0033:0x7f492fa5f337 [ 5104.513213][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5104.513215][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5104.513219][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5104.513221][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5104.513223][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5104.513225][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5104.513227][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5104.513233][ C2] [ 5132.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2694s! [mptcp_connect:16967] [ 5132.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5132.512933][ C2] irq event stamp: 66996 [ 5132.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5132.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5132.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5132.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5132.512963][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5132.512969][ C2] Tainted: [L]=SOFTLOCKUP [ 5132.512970][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5132.512973][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5132.512978][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5132.512981][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5132.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5132.512986][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5132.512988][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5132.512990][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5132.512992][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5132.512994][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5132.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5132.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5132.513003][ C2] PKRU: 55555554 [ 5132.513004][ C2] Call Trace: [ 5132.513008][ C2] [ 5132.513012][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5132.513020][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5132.513025][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5132.513028][ C2] ? lock_acquire+0x10c/0x170 [ 5132.513033][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5132.513038][ C2] mptcp_try_fallback+0x14b/0x360 [ 5132.513042][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5132.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5132.513051][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5132.513054][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5132.513059][ C2] __mptcp_retrans+0x42a/0x960 [ 5132.513065][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5132.513070][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5132.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5132.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5132.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5132.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5132.513095][ C2] ? lock_acquire+0x10c/0x170 [ 5132.513098][ C2] ? release_sock+0x1f/0x1d0 [ 5132.513104][ C2] release_sock+0x17f/0x1d0 [ 5132.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5132.513116][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5132.513119][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5132.513124][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5132.513130][ C2] ? find_held_lock+0x2b/0x80 [ 5132.513134][ C2] sock_write_iter+0x3c1/0x520 [ 5132.513139][ C2] ? __up_write+0x1ad/0x530 [ 5132.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5132.513151][ C2] ? ksys_write+0xf7/0x1d0 [ 5132.513158][ C2] vfs_write+0xc0c/0x1210 [ 5132.513162][ C2] ? ksys_write+0x137/0x1d0 [ 5132.513164][ C2] ? __lock_release+0x5d/0x170 [ 5132.513168][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5132.513172][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5132.513179][ C2] ksys_write+0x183/0x1d0 [ 5132.513183][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5132.513186][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5132.513193][ C2] do_syscall_64+0xc1/0x380 [ 5132.513197][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5132.513202][ C2] RIP: 0033:0x7f492fa5f337 [ 5132.513210][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5132.513212][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5132.513215][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5132.513217][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5132.513219][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5132.513221][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5132.513223][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5132.513230][ C2] [ 5154.847475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5154.847813][ C2] rcu: 2-....: (2909413 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=910414 [ 5154.848335][ C2] rcu: (t=2912184 jiffies g=1296501 q=52957 ncpus=4) [ 5154.848604][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5154.848610][ C2] Tainted: [L]=SOFTLOCKUP [ 5154.848612][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5154.848614][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5154.848625][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5154.848629][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5154.848633][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5154.848635][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5154.848637][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5154.848639][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5154.848641][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5154.848643][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5154.848646][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5154.848649][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5154.848652][ C2] PKRU: 55555554 [ 5154.848653][ C2] Call Trace: [ 5154.848654][ C2] [ 5154.848657][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5154.848664][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5154.848669][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5154.848672][ C2] ? lock_acquire+0x10c/0x170 [ 5154.848676][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5154.848683][ C2] mptcp_try_fallback+0x14b/0x360 [ 5154.848686][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5154.848693][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5154.848695][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5154.848698][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5154.848703][ C2] __mptcp_retrans+0x42a/0x960 [ 5154.848709][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5154.848714][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5154.848722][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5154.848730][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5154.848732][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5154.848736][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5154.848738][ C2] ? lock_acquire+0x10c/0x170 [ 5154.848741][ C2] ? release_sock+0x1f/0x1d0 [ 5154.848748][ C2] release_sock+0x17f/0x1d0 [ 5154.848751][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5154.848758][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5154.848762][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5154.848766][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5154.848772][ C2] ? find_held_lock+0x2b/0x80 [ 5154.848776][ C2] sock_write_iter+0x3c1/0x520 [ 5154.848781][ C2] ? __up_write+0x1ad/0x530 [ 5154.848786][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5154.848793][ C2] ? ksys_write+0xf7/0x1d0 [ 5154.848799][ C2] vfs_write+0xc0c/0x1210 [ 5154.848803][ C2] ? ksys_write+0x137/0x1d0 [ 5154.848805][ C2] ? __lock_release+0x5d/0x170 [ 5154.848809][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5154.848813][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5154.848820][ C2] ksys_write+0x183/0x1d0 [ 5154.848824][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5154.848826][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5154.848833][ C2] do_syscall_64+0xc1/0x380 [ 5154.848837][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5154.848841][ C2] RIP: 0033:0x7f492fa5f337 [ 5154.848849][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5154.848851][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5154.848854][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5154.848857][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5154.848859][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5154.848861][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5154.848863][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5154.848869][ C2] [ 5158.320489][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2885625 jiffies s: 68497 root: 0x4/. [ 5158.320958][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5158.321237][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5158.321405][ C2] NMI backtrace for cpu 2 [ 5158.321414][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5158.321420][ C2] Tainted: [L]=SOFTLOCKUP [ 5158.321422][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5158.321424][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5158.321433][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 5158.321437][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5158.321440][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 5158.321443][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5158.321445][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5158.321447][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5158.321449][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 5158.321451][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5158.321454][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5158.321457][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5158.321459][ C2] PKRU: 55555554 [ 5158.321461][ C2] Call Trace: [ 5158.321464][ C2] [ 5158.321466][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5158.321476][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5158.321484][ C2] __common_interrupt+0xad/0x1d0 [ 5158.321490][ C2] common_interrupt+0xb9/0xe0 [ 5158.321495][ C2] [ 5158.321496][ C2] [ 5158.321498][ C2] asm_common_interrupt+0x26/0x40 [ 5158.321504][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5158.321509][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5158.321512][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5158.321514][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5158.321516][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5158.321518][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5158.321520][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5158.321522][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5158.321526][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5158.321533][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5158.321540][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5158.321544][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5158.321547][ C2] ? lock_acquire+0x10c/0x170 [ 5158.321551][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5158.321558][ C2] mptcp_try_fallback+0x14b/0x360 [ 5158.321562][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5158.321569][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5158.321571][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5158.321574][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5158.321579][ C2] __mptcp_retrans+0x42a/0x960 [ 5158.321585][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5158.321591][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5158.321598][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5158.321605][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5158.321608][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5158.321611][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5158.321614][ C2] ? lock_acquire+0x10c/0x170 [ 5158.321617][ C2] ? release_sock+0x1f/0x1d0 [ 5158.321623][ C2] release_sock+0x17f/0x1d0 [ 5158.321627][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5158.321634][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5158.321638][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5158.321642][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5158.321648][ C2] ? find_held_lock+0x2b/0x80 [ 5158.321652][ C2] sock_write_iter+0x3c1/0x520 [ 5158.321658][ C2] ? __up_write+0x1ad/0x530 [ 5158.321663][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5158.321669][ C2] ? ksys_write+0xf7/0x1d0 [ 5158.321676][ C2] vfs_write+0xc0c/0x1210 [ 5158.321680][ C2] ? ksys_write+0x137/0x1d0 [ 5158.321682][ C2] ? __lock_release+0x5d/0x170 [ 5158.321686][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5158.321690][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5158.321697][ C2] ksys_write+0x183/0x1d0 [ 5158.321701][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5158.321703][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5158.321710][ C2] do_syscall_64+0xc1/0x380 [ 5158.321714][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5158.321717][ C2] RIP: 0033:0x7f492fa5f337 [ 5158.321725][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5158.321727][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5158.321730][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5158.321732][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5158.321734][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5158.321736][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5158.321738][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5158.321744][ C2] [ 5184.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2742s! [mptcp_connect:16967] [ 5184.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5184.512932][ C2] irq event stamp: 66996 [ 5184.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5184.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5184.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5184.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5184.512963][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5184.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 5184.512970][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5184.512972][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5184.512978][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5184.512981][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5184.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5184.512987][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5184.512989][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5184.512991][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5184.512993][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5184.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5184.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5184.513002][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5184.513004][ C2] PKRU: 55555554 [ 5184.513005][ C2] Call Trace: [ 5184.513009][ C2] [ 5184.513013][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5184.513021][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5184.513026][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5184.513029][ C2] ? lock_acquire+0x10c/0x170 [ 5184.513033][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5184.513038][ C2] mptcp_try_fallback+0x14b/0x360 [ 5184.513043][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5184.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5184.513052][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5184.513055][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5184.513060][ C2] __mptcp_retrans+0x42a/0x960 [ 5184.513066][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5184.513071][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5184.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5184.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5184.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5184.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5184.513095][ C2] ? lock_acquire+0x10c/0x170 [ 5184.513098][ C2] ? release_sock+0x1f/0x1d0 [ 5184.513104][ C2] release_sock+0x17f/0x1d0 [ 5184.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5184.513117][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5184.513120][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5184.513124][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5184.513130][ C2] ? find_held_lock+0x2b/0x80 [ 5184.513134][ C2] sock_write_iter+0x3c1/0x520 [ 5184.513139][ C2] ? __up_write+0x1ad/0x530 [ 5184.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5184.513151][ C2] ? ksys_write+0xf7/0x1d0 [ 5184.513158][ C2] vfs_write+0xc0c/0x1210 [ 5184.513162][ C2] ? ksys_write+0x137/0x1d0 [ 5184.513164][ C2] ? __lock_release+0x5d/0x170 [ 5184.513168][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5184.513172][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5184.513180][ C2] ksys_write+0x183/0x1d0 [ 5184.513184][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5184.513186][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5184.513193][ C2] do_syscall_64+0xc1/0x380 [ 5184.513198][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5184.513202][ C2] RIP: 0033:0x7f492fa5f337 [ 5184.513211][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5184.513213][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5184.513216][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5184.513218][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5184.513221][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5184.513222][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5184.513224][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5184.513230][ C2] [ 5212.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2768s! [mptcp_connect:16967] [ 5212.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5212.512933][ C2] irq event stamp: 66996 [ 5212.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5212.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5212.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5212.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5212.512963][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5212.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 5212.512970][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5212.512972][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5212.512977][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5212.512981][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5212.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5212.512986][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5212.512988][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5212.512990][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5212.512992][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5212.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5212.512998][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5212.513002][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5212.513004][ C2] PKRU: 55555554 [ 5212.513005][ C2] Call Trace: [ 5212.513009][ C2] [ 5212.513013][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5212.513021][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5212.513027][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5212.513030][ C2] ? lock_acquire+0x10c/0x170 [ 5212.513034][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5212.513039][ C2] mptcp_try_fallback+0x14b/0x360 [ 5212.513043][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5212.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5212.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5212.513056][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5212.513061][ C2] __mptcp_retrans+0x42a/0x960 [ 5212.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5212.513072][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5212.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5212.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5212.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5212.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5212.513095][ C2] ? lock_acquire+0x10c/0x170 [ 5212.513098][ C2] ? release_sock+0x1f/0x1d0 [ 5212.513105][ C2] release_sock+0x17f/0x1d0 [ 5212.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5212.513116][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5212.513120][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5212.513124][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5212.513130][ C2] ? find_held_lock+0x2b/0x80 [ 5212.513134][ C2] sock_write_iter+0x3c1/0x520 [ 5212.513139][ C2] ? __up_write+0x1ad/0x530 [ 5212.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5212.513151][ C2] ? ksys_write+0xf7/0x1d0 [ 5212.513158][ C2] vfs_write+0xc0c/0x1210 [ 5212.513162][ C2] ? ksys_write+0x137/0x1d0 [ 5212.513165][ C2] ? __lock_release+0x5d/0x170 [ 5212.513169][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5212.513173][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5212.513180][ C2] ksys_write+0x183/0x1d0 [ 5212.513184][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5212.513186][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5212.513193][ C2] do_syscall_64+0xc1/0x380 [ 5212.513198][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5212.513203][ C2] RIP: 0033:0x7f492fa5f337 [ 5212.513212][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5212.513214][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5212.513217][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5212.513219][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5212.513221][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5212.513223][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5212.513225][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5212.513231][ C2] [ 5232.852475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5232.852822][ C2] rcu: 2-....: (2987349 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=941541 [ 5232.853354][ C2] rcu: (t=2990189 jiffies g=1296501 q=54383 ncpus=4) [ 5232.853634][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5232.853641][ C2] Tainted: [L]=SOFTLOCKUP [ 5232.853643][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5232.853645][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5232.853656][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5232.853659][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5232.853663][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5232.853665][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5232.853668][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5232.853669][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5232.853671][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5232.853673][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5232.853676][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5232.853680][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5232.853682][ C2] PKRU: 55555554 [ 5232.853683][ C2] Call Trace: [ 5232.853685][ C2] [ 5232.853687][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5232.853695][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5232.853700][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5232.853703][ C2] ? lock_acquire+0x10c/0x170 [ 5232.853707][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5232.853714][ C2] mptcp_try_fallback+0x14b/0x360 [ 5232.853717][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5232.853724][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5232.853727][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5232.853730][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5232.853735][ C2] __mptcp_retrans+0x42a/0x960 [ 5232.853740][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5232.853746][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5232.853753][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5232.853760][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5232.853763][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5232.853766][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5232.853769][ C2] ? lock_acquire+0x10c/0x170 [ 5232.853772][ C2] ? release_sock+0x1f/0x1d0 [ 5232.853779][ C2] release_sock+0x17f/0x1d0 [ 5232.853782][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5232.853790][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5232.853794][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5232.853798][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5232.853804][ C2] ? find_held_lock+0x2b/0x80 [ 5232.853808][ C2] sock_write_iter+0x3c1/0x520 [ 5232.853813][ C2] ? __up_write+0x1ad/0x530 [ 5232.853818][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5232.853824][ C2] ? ksys_write+0xf7/0x1d0 [ 5232.853831][ C2] vfs_write+0xc0c/0x1210 [ 5232.853834][ C2] ? ksys_write+0x137/0x1d0 [ 5232.853837][ C2] ? __lock_release+0x5d/0x170 [ 5232.853841][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5232.853845][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5232.853852][ C2] ksys_write+0x183/0x1d0 [ 5232.853855][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5232.853858][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5232.853866][ C2] do_syscall_64+0xc1/0x380 [ 5232.853869][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5232.853873][ C2] RIP: 0033:0x7f492fa5f337 [ 5232.853881][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5232.853883][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5232.853886][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5232.853888][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5232.853891][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5232.853893][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5232.853895][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5232.853901][ C2] [ 5256.623494][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2983928 jiffies s: 68497 root: 0x4/. [ 5256.623934][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5256.624222][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5256.624389][ C2] NMI backtrace for cpu 2 [ 5256.624400][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5256.624406][ C2] Tainted: [L]=SOFTLOCKUP [ 5256.624407][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5256.624410][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5256.624419][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 5256.624422][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5256.624426][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 5256.624428][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5256.624430][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5256.624432][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5256.624434][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 5256.624436][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5256.624439][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5256.624443][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5256.624445][ C2] PKRU: 55555554 [ 5256.624446][ C2] Call Trace: [ 5256.624449][ C2] [ 5256.624451][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5256.624460][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5256.624467][ C2] __common_interrupt+0xad/0x1d0 [ 5256.624475][ C2] common_interrupt+0xb9/0xe0 [ 5256.624481][ C2] [ 5256.624482][ C2] [ 5256.624484][ C2] asm_common_interrupt+0x26/0x40 [ 5256.624489][ C2] RIP: 0010:kasan_check_range+0x81/0x1c0 [ 5256.624494][ C2] Code: 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 48 89 e8 49 8d 59 01 48 89 da <48> 29 ea 48 83 fa 10 0f 8e c0 00 00 00 41 89 eb 41 83 e3 07 75 7d [ 5256.624497][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000286 [ 5256.624499][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 5256.624501][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5256.624503][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5256.624505][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5256.624507][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5256.624511][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5256.624519][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5256.624524][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5256.624531][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5256.624536][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5256.624538][ C2] ? lock_acquire+0x10c/0x170 [ 5256.624542][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5256.624549][ C2] mptcp_try_fallback+0x14b/0x360 [ 5256.624553][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5256.624560][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5256.624563][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5256.624565][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5256.624570][ C2] __mptcp_retrans+0x42a/0x960 [ 5256.624576][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5256.624582][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5256.624588][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5256.624596][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5256.624598][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5256.624601][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5256.624604][ C2] ? lock_acquire+0x10c/0x170 [ 5256.624607][ C2] ? release_sock+0x1f/0x1d0 [ 5256.624614][ C2] release_sock+0x17f/0x1d0 [ 5256.624618][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5256.624625][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5256.624629][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5256.624633][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5256.624639][ C2] ? find_held_lock+0x2b/0x80 [ 5256.624643][ C2] sock_write_iter+0x3c1/0x520 [ 5256.624649][ C2] ? __up_write+0x1ad/0x530 [ 5256.624654][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5256.624660][ C2] ? ksys_write+0xf7/0x1d0 [ 5256.624666][ C2] vfs_write+0xc0c/0x1210 [ 5256.624670][ C2] ? ksys_write+0x137/0x1d0 [ 5256.624672][ C2] ? __lock_release+0x5d/0x170 [ 5256.624676][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5256.624680][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5256.624687][ C2] ksys_write+0x183/0x1d0 [ 5256.624690][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5256.624693][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5256.624700][ C2] do_syscall_64+0xc1/0x380 [ 5256.624703][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5256.624706][ C2] RIP: 0033:0x7f492fa5f337 [ 5256.624714][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5256.624716][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5256.624719][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5256.624721][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5256.624723][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5256.624725][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5256.624726][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5256.624732][ C2] [ 5284.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2835s! [mptcp_connect:16967] [ 5284.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5284.512932][ C2] irq event stamp: 66996 [ 5284.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5284.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5284.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5284.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5284.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5284.512967][ C2] Tainted: [L]=SOFTLOCKUP [ 5284.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5284.512971][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5284.512976][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5284.512979][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5284.512983][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5284.512985][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5284.512987][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5284.512989][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5284.512991][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5284.512994][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5284.512996][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5284.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5284.513003][ C2] PKRU: 55555554 [ 5284.513004][ C2] Call Trace: [ 5284.513008][ C2] [ 5284.513012][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5284.513020][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5284.513026][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5284.513029][ C2] ? lock_acquire+0x10c/0x170 [ 5284.513033][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5284.513038][ C2] mptcp_try_fallback+0x14b/0x360 [ 5284.513042][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5284.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5284.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5284.513062][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5284.513070][ C2] __mptcp_retrans+0x42a/0x960 [ 5284.513078][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5284.513085][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5284.513095][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5284.513106][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5284.513110][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5284.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5284.513119][ C2] ? lock_acquire+0x10c/0x170 [ 5284.513131][ C2] ? release_sock+0x1f/0x1d0 [ 5284.513137][ C2] release_sock+0x17f/0x1d0 [ 5284.513141][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5284.513150][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5284.513153][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5284.513157][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5284.513163][ C2] ? find_held_lock+0x2b/0x80 [ 5284.513168][ C2] sock_write_iter+0x3c1/0x520 [ 5284.513173][ C2] ? __up_write+0x1ad/0x530 [ 5284.513178][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5284.513184][ C2] ? ksys_write+0xf7/0x1d0 [ 5284.513191][ C2] vfs_write+0xc0c/0x1210 [ 5284.513195][ C2] ? ksys_write+0x137/0x1d0 [ 5284.513197][ C2] ? __lock_release+0x5d/0x170 [ 5284.513201][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5284.513205][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5284.513213][ C2] ksys_write+0x183/0x1d0 [ 5284.513216][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5284.513219][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5284.513226][ C2] do_syscall_64+0xc1/0x380 [ 5284.513230][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5284.513234][ C2] RIP: 0033:0x7f492fa5f337 [ 5284.513243][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5284.513245][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5284.513248][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5284.513250][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5284.513252][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5284.513254][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5284.513256][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5284.513263][ C2] [ 5310.857475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5310.857819][ C2] rcu: 2-....: (3065301 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=970756 [ 5310.858366][ C2] rcu: (t=3068194 jiffies g=1296501 q=55460 ncpus=4) [ 5310.858622][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5310.858629][ C2] Tainted: [L]=SOFTLOCKUP [ 5310.858631][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5310.858633][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 5310.858644][ C2] Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 01 00 [ 5310.858647][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 5310.858651][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 5310.858654][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5310.858656][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5310.858658][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5310.858660][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5310.858662][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5310.858665][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5310.858669][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5310.858671][ C2] PKRU: 55555554 [ 5310.858672][ C2] Call Trace: [ 5310.858674][ C2] [ 5310.858676][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5310.858684][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5310.858691][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5310.858696][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5310.858698][ C2] ? lock_acquire+0x10c/0x170 [ 5310.858702][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5310.858710][ C2] mptcp_try_fallback+0x14b/0x360 [ 5310.858713][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5310.858720][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5310.858722][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5310.858725][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5310.858731][ C2] __mptcp_retrans+0x42a/0x960 [ 5310.858736][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5310.858742][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5310.858749][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5310.858756][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5310.858759][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5310.858762][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5310.858765][ C2] ? lock_acquire+0x10c/0x170 [ 5310.858768][ C2] ? release_sock+0x1f/0x1d0 [ 5310.858774][ C2] release_sock+0x17f/0x1d0 [ 5310.858777][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5310.858785][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5310.858789][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5310.858793][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5310.858799][ C2] ? find_held_lock+0x2b/0x80 [ 5310.858803][ C2] sock_write_iter+0x3c1/0x520 [ 5310.858808][ C2] ? __up_write+0x1ad/0x530 [ 5310.858813][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5310.858819][ C2] ? ksys_write+0xf7/0x1d0 [ 5310.858825][ C2] vfs_write+0xc0c/0x1210 [ 5310.858829][ C2] ? ksys_write+0x137/0x1d0 [ 5310.858832][ C2] ? __lock_release+0x5d/0x170 [ 5310.858835][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5310.858839][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5310.858846][ C2] ksys_write+0x183/0x1d0 [ 5310.858849][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5310.858852][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5310.858859][ C2] do_syscall_64+0xc1/0x380 [ 5310.858863][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5310.858866][ C2] RIP: 0033:0x7f492fa5f337 [ 5310.858876][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5310.858877][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5310.858880][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5310.858882][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5310.858884][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5310.858886][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5310.858888][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5310.858894][ C2] [ 5336.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2884s! [mptcp_connect:16967] [ 5336.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5336.512933][ C2] irq event stamp: 66996 [ 5336.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5336.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5336.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5336.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5336.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5336.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 5336.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5336.512974][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5336.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5336.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5336.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5336.512988][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5336.512990][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5336.512992][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5336.512995][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5336.512997][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5336.512999][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5336.513004][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5336.513006][ C2] PKRU: 55555554 [ 5336.513008][ C2] Call Trace: [ 5336.513011][ C2] [ 5336.513015][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5336.513023][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5336.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5336.513032][ C2] ? lock_acquire+0x10c/0x170 [ 5336.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5336.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 5336.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5336.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5336.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5336.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5336.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 5336.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5336.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5336.513081][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5336.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5336.513092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5336.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5336.513098][ C2] ? lock_acquire+0x10c/0x170 [ 5336.513101][ C2] ? release_sock+0x1f/0x1d0 [ 5336.513108][ C2] release_sock+0x17f/0x1d0 [ 5336.513112][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5336.513119][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5336.513123][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5336.513127][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5336.513133][ C2] ? find_held_lock+0x2b/0x80 [ 5336.513137][ C2] sock_write_iter+0x3c1/0x520 [ 5336.513143][ C2] ? __up_write+0x1ad/0x530 [ 5336.513148][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5336.513154][ C2] ? ksys_write+0xf7/0x1d0 [ 5336.513161][ C2] vfs_write+0xc0c/0x1210 [ 5336.513165][ C2] ? ksys_write+0x137/0x1d0 [ 5336.513167][ C2] ? __lock_release+0x5d/0x170 [ 5336.513171][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5336.513175][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5336.513183][ C2] ksys_write+0x183/0x1d0 [ 5336.513186][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5336.513189][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5336.513196][ C2] do_syscall_64+0xc1/0x380 [ 5336.513200][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5336.513204][ C2] RIP: 0033:0x7f492fa5f337 [ 5336.513214][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5336.513215][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5336.513218][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5336.513220][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5336.513222][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5336.513225][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5336.513227][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5336.513233][ C2] [ 5354.928488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3082233 jiffies s: 68497 root: 0x4/. [ 5354.928935][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5354.929222][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5354.929393][ C2] NMI backtrace for cpu 2 [ 5354.929403][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5354.929409][ C2] Tainted: [L]=SOFTLOCKUP [ 5354.929410][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5354.929413][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5354.929421][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 5354.929424][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5354.929428][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 5354.929430][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5354.929433][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5354.929435][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5354.929437][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 5354.929439][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5354.929441][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5354.929445][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5354.929447][ C2] PKRU: 55555554 [ 5354.929449][ C2] Call Trace: [ 5354.929451][ C2] [ 5354.929453][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5354.929462][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5354.929470][ C2] __common_interrupt+0xad/0x1d0 [ 5354.929477][ C2] common_interrupt+0xb9/0xe0 [ 5354.929483][ C2] [ 5354.929484][ C2] [ 5354.929486][ C2] asm_common_interrupt+0x26/0x40 [ 5354.929491][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5354.929497][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5354.929500][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5354.929502][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5354.929504][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5354.929506][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5354.929508][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5354.929510][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5354.929514][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5354.929521][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5354.929528][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5354.929532][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5354.929535][ C2] ? lock_acquire+0x10c/0x170 [ 5354.929539][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5354.929546][ C2] mptcp_try_fallback+0x14b/0x360 [ 5354.929550][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5354.929557][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5354.929560][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5354.929562][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5354.929568][ C2] __mptcp_retrans+0x42a/0x960 [ 5354.929573][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5354.929579][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5354.929585][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5354.929593][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5354.929596][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5354.929599][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5354.929601][ C2] ? lock_acquire+0x10c/0x170 [ 5354.929605][ C2] ? release_sock+0x1f/0x1d0 [ 5354.929610][ C2] release_sock+0x17f/0x1d0 [ 5354.929615][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5354.929622][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5354.929626][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5354.929630][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5354.929635][ C2] ? find_held_lock+0x2b/0x80 [ 5354.929639][ C2] sock_write_iter+0x3c1/0x520 [ 5354.929644][ C2] ? __up_write+0x1ad/0x530 [ 5354.929649][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5354.929655][ C2] ? ksys_write+0xf7/0x1d0 [ 5354.929662][ C2] vfs_write+0xc0c/0x1210 [ 5354.929666][ C2] ? ksys_write+0x137/0x1d0 [ 5354.929668][ C2] ? __lock_release+0x5d/0x170 [ 5354.929672][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5354.929676][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5354.929683][ C2] ksys_write+0x183/0x1d0 [ 5354.929687][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5354.929689][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5354.929696][ C2] do_syscall_64+0xc1/0x380 [ 5354.929700][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5354.929703][ C2] RIP: 0033:0x7f492fa5f337 [ 5354.929711][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5354.929712][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5354.929715][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5354.929717][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5354.929719][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5354.929721][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5354.929723][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5354.929729][ C2] [ 5380.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2924s! [mptcp_connect:16967] [ 5380.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5380.512933][ C2] irq event stamp: 66996 [ 5380.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5380.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5380.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5380.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5380.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5380.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 5380.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5380.512973][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5380.512979][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5380.512982][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5380.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5380.512988][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5380.512990][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5380.512992][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5380.512994][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5380.512996][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5380.512999][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5380.513003][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5380.513005][ C2] PKRU: 55555554 [ 5380.513006][ C2] Call Trace: [ 5380.513010][ C2] [ 5380.513014][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5380.513022][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5380.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5380.513031][ C2] ? lock_acquire+0x10c/0x170 [ 5380.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5380.513040][ C2] mptcp_try_fallback+0x14b/0x360 [ 5380.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5380.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5380.513054][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5380.513057][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5380.513062][ C2] __mptcp_retrans+0x42a/0x960 [ 5380.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5380.513073][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5380.513080][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5380.513087][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5380.513090][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5380.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5380.513096][ C2] ? lock_acquire+0x10c/0x170 [ 5380.513099][ C2] ? release_sock+0x1f/0x1d0 [ 5380.513105][ C2] release_sock+0x17f/0x1d0 [ 5380.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5380.513116][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5380.513120][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5380.513124][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5380.513129][ C2] ? find_held_lock+0x2b/0x80 [ 5380.513134][ C2] sock_write_iter+0x3c1/0x520 [ 5380.513139][ C2] ? __up_write+0x1ad/0x530 [ 5380.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5380.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 5380.513157][ C2] vfs_write+0xc0c/0x1210 [ 5380.513161][ C2] ? ksys_write+0x137/0x1d0 [ 5380.513163][ C2] ? __lock_release+0x5d/0x170 [ 5380.513167][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5380.513171][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5380.513178][ C2] ksys_write+0x183/0x1d0 [ 5380.513182][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5380.513185][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5380.513191][ C2] do_syscall_64+0xc1/0x380 [ 5380.513196][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5380.513200][ C2] RIP: 0033:0x7f492fa5f337 [ 5380.513209][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5380.513211][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5380.513214][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5380.513216][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5380.513218][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5380.513220][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5380.513222][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5380.513228][ C2] [ 5388.862476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5388.862997][ C2] rcu: 2-....: (3143236 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1000534 [ 5388.863547][ C2] rcu: (t=3146200 jiffies g=1296501 q=56889 ncpus=4) [ 5388.863795][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5388.863801][ C2] Tainted: [L]=SOFTLOCKUP [ 5388.863803][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5388.863806][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5388.863816][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5388.863819][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5388.863823][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5388.863826][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5388.863828][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5388.863830][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5388.863832][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5388.863834][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5388.863836][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5388.863840][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5388.863842][ C2] PKRU: 55555554 [ 5388.863844][ C2] Call Trace: [ 5388.863845][ C2] [ 5388.863848][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5388.863856][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5388.863861][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5388.863864][ C2] ? lock_acquire+0x10c/0x170 [ 5388.863868][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5388.863875][ C2] mptcp_try_fallback+0x14b/0x360 [ 5388.863879][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5388.863885][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5388.863888][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5388.863891][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5388.863896][ C2] __mptcp_retrans+0x42a/0x960 [ 5388.863901][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5388.863907][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5388.863914][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5388.863921][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5388.863924][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5388.863927][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5388.863930][ C2] ? lock_acquire+0x10c/0x170 [ 5388.863933][ C2] ? release_sock+0x1f/0x1d0 [ 5388.863939][ C2] release_sock+0x17f/0x1d0 [ 5388.863942][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5388.863949][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5388.863954][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5388.863957][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5388.863963][ C2] ? find_held_lock+0x2b/0x80 [ 5388.863967][ C2] sock_write_iter+0x3c1/0x520 [ 5388.863972][ C2] ? __up_write+0x1ad/0x530 [ 5388.863976][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5388.863983][ C2] ? ksys_write+0xf7/0x1d0 [ 5388.863990][ C2] vfs_write+0xc0c/0x1210 [ 5388.863993][ C2] ? ksys_write+0x137/0x1d0 [ 5388.863996][ C2] ? __lock_release+0x5d/0x170 [ 5388.864000][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5388.864003][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5388.864011][ C2] ksys_write+0x183/0x1d0 [ 5388.864014][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5388.864017][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5388.864024][ C2] do_syscall_64+0xc1/0x380 [ 5388.864028][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5388.864031][ C2] RIP: 0033:0x7f492fa5f337 [ 5388.864040][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5388.864042][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5388.864045][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5388.864047][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5388.864049][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5388.864051][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5388.864053][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5388.864059][ C2] [ 5416.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2958s! [mptcp_connect:16967] [ 5416.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5416.512932][ C2] irq event stamp: 66996 [ 5416.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5416.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5416.512948][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5416.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5416.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5416.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 5416.512970][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5416.512972][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5416.512977][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5416.512981][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5416.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5416.512987][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5416.512989][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5416.512991][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5416.512993][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5416.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5416.512998][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5416.513002][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5416.513004][ C2] PKRU: 55555554 [ 5416.513006][ C2] Call Trace: [ 5416.513009][ C2] [ 5416.513014][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5416.513022][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5416.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5416.513031][ C2] ? lock_acquire+0x10c/0x170 [ 5416.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5416.513040][ C2] mptcp_try_fallback+0x14b/0x360 [ 5416.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5416.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5416.513054][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5416.513057][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5416.513062][ C2] __mptcp_retrans+0x42a/0x960 [ 5416.513068][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5416.513073][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5416.513080][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5416.513088][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5416.513090][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5416.513094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5416.513096][ C2] ? lock_acquire+0x10c/0x170 [ 5416.513099][ C2] ? release_sock+0x1f/0x1d0 [ 5416.513106][ C2] release_sock+0x17f/0x1d0 [ 5416.513109][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5416.513117][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5416.513121][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5416.513126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5416.513131][ C2] ? find_held_lock+0x2b/0x80 [ 5416.513135][ C2] sock_write_iter+0x3c1/0x520 [ 5416.513141][ C2] ? __up_write+0x1ad/0x530 [ 5416.513145][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5416.513152][ C2] ? ksys_write+0xf7/0x1d0 [ 5416.513159][ C2] vfs_write+0xc0c/0x1210 [ 5416.513163][ C2] ? ksys_write+0x137/0x1d0 [ 5416.513165][ C2] ? __lock_release+0x5d/0x170 [ 5416.513169][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5416.513173][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5416.513180][ C2] ksys_write+0x183/0x1d0 [ 5416.513184][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5416.513187][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5416.513194][ C2] do_syscall_64+0xc1/0x380 [ 5416.513199][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5416.513203][ C2] RIP: 0033:0x7f492fa5f337 [ 5416.513212][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5416.513213][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5416.513216][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5416.513218][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5416.513220][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5416.513222][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5416.513224][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5416.513230][ C2] [ 5444.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2984s! [mptcp_connect:16967] [ 5444.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5444.512931][ C2] irq event stamp: 66996 [ 5444.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5444.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5444.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5444.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5444.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5444.512967][ C2] Tainted: [L]=SOFTLOCKUP [ 5444.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5444.512972][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5444.512977][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5444.512980][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5444.512983][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5444.512986][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5444.512988][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5444.512990][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5444.512992][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5444.512994][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5444.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5444.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5444.513003][ C2] PKRU: 55555554 [ 5444.513005][ C2] Call Trace: [ 5444.513008][ C2] [ 5444.513012][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5444.513020][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5444.513026][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5444.513029][ C2] ? lock_acquire+0x10c/0x170 [ 5444.513033][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5444.513038][ C2] mptcp_try_fallback+0x14b/0x360 [ 5444.513043][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5444.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5444.513052][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5444.513055][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5444.513060][ C2] __mptcp_retrans+0x42a/0x960 [ 5444.513065][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5444.513071][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5444.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5444.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5444.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5444.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5444.513094][ C2] ? lock_acquire+0x10c/0x170 [ 5444.513097][ C2] ? release_sock+0x1f/0x1d0 [ 5444.513103][ C2] release_sock+0x17f/0x1d0 [ 5444.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5444.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5444.513119][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5444.513123][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5444.513128][ C2] ? find_held_lock+0x2b/0x80 [ 5444.513133][ C2] sock_write_iter+0x3c1/0x520 [ 5444.513138][ C2] ? __up_write+0x1ad/0x530 [ 5444.513143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5444.513149][ C2] ? ksys_write+0xf7/0x1d0 [ 5444.513156][ C2] vfs_write+0xc0c/0x1210 [ 5444.513160][ C2] ? ksys_write+0x137/0x1d0 [ 5444.513162][ C2] ? __lock_release+0x5d/0x170 [ 5444.513166][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5444.513170][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5444.513177][ C2] ksys_write+0x183/0x1d0 [ 5444.513181][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5444.513183][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5444.513190][ C2] do_syscall_64+0xc1/0x380 [ 5444.513195][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5444.513199][ C2] RIP: 0033:0x7f492fa5f337 [ 5444.513207][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5444.513209][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5444.513212][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5444.513214][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5444.513216][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5444.513218][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5444.513220][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5444.513226][ C2] [ 5453.231491][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3180536 jiffies s: 68497 root: 0x4/. [ 5453.232108][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5453.232331][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5453.232541][ C2] NMI backtrace for cpu 2 [ 5453.232551][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5453.232557][ C2] Tainted: [L]=SOFTLOCKUP [ 5453.232559][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5453.232561][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5453.232571][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5453.232574][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5453.232578][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5453.232580][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5453.232582][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5453.232585][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5453.232587][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5453.232589][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5453.232591][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5453.232596][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5453.232598][ C2] PKRU: 55555554 [ 5453.232599][ C2] Call Trace: [ 5453.232602][ C2] [ 5453.232606][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5453.232614][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5453.232620][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5453.232623][ C2] ? lock_acquire+0x10c/0x170 [ 5453.232627][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5453.232634][ C2] mptcp_try_fallback+0x14b/0x360 [ 5453.232638][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5453.232645][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5453.232647][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5453.232650][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5453.232655][ C2] __mptcp_retrans+0x42a/0x960 [ 5453.232661][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5453.232666][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5453.232674][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5453.232681][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5453.232684][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5453.232687][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5453.232690][ C2] ? lock_acquire+0x10c/0x170 [ 5453.232693][ C2] ? release_sock+0x1f/0x1d0 [ 5453.232699][ C2] release_sock+0x17f/0x1d0 [ 5453.232703][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5453.232711][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5453.232714][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5453.232718][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5453.232724][ C2] ? find_held_lock+0x2b/0x80 [ 5453.232728][ C2] sock_write_iter+0x3c1/0x520 [ 5453.232733][ C2] ? __up_write+0x1ad/0x530 [ 5453.232738][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5453.232745][ C2] ? ksys_write+0xf7/0x1d0 [ 5453.232752][ C2] vfs_write+0xc0c/0x1210 [ 5453.232756][ C2] ? ksys_write+0x137/0x1d0 [ 5453.232758][ C2] ? __lock_release+0x5d/0x170 [ 5453.232762][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5453.232766][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5453.232773][ C2] ksys_write+0x183/0x1d0 [ 5453.232777][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5453.232779][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5453.232786][ C2] do_syscall_64+0xc1/0x380 [ 5453.232791][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5453.232795][ C2] RIP: 0033:0x7f492fa5f337 [ 5453.232803][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5453.232805][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5453.232808][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5453.232810][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5453.232812][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5453.232814][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5453.232816][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5453.232822][ C2] [ 5466.867475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5466.867817][ C2] rcu: 2-....: (3221174 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1034288 [ 5466.868348][ C2] rcu: (t=3224204 jiffies g=1296501 q=58234 ncpus=4) [ 5466.868625][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5466.868631][ C2] Tainted: [L]=SOFTLOCKUP [ 5466.868633][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5466.868635][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 5466.868644][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 <53> 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 [ 5466.868648][ C2] RSP: 0018:ffffc9000028f5b8 EFLAGS: 00000282 [ 5466.868651][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5466.868654][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5466.868656][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5466.868658][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5466.868660][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5466.868662][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5466.868665][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5466.868669][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5466.868671][ C2] PKRU: 55555554 [ 5466.868672][ C2] Call Trace: [ 5466.868674][ C2] [ 5466.868676][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5466.868684][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5466.868691][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5466.868696][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5466.868699][ C2] ? lock_acquire+0x10c/0x170 [ 5466.868703][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5466.868709][ C2] mptcp_try_fallback+0x14b/0x360 [ 5466.868713][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5466.868720][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5466.868722][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5466.868726][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5466.868731][ C2] __mptcp_retrans+0x42a/0x960 [ 5466.868736][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5466.868741][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5466.868749][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5466.868756][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5466.868759][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5466.868762][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5466.868765][ C2] ? lock_acquire+0x10c/0x170 [ 5466.868768][ C2] ? release_sock+0x1f/0x1d0 [ 5466.868774][ C2] release_sock+0x17f/0x1d0 [ 5466.868777][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5466.868784][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5466.868788][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5466.868792][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5466.868798][ C2] ? find_held_lock+0x2b/0x80 [ 5466.868803][ C2] sock_write_iter+0x3c1/0x520 [ 5466.868808][ C2] ? __up_write+0x1ad/0x530 [ 5466.868812][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5466.868819][ C2] ? ksys_write+0xf7/0x1d0 [ 5466.868825][ C2] vfs_write+0xc0c/0x1210 [ 5466.868828][ C2] ? ksys_write+0x137/0x1d0 [ 5466.868830][ C2] ? __lock_release+0x5d/0x170 [ 5466.868834][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5466.868838][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5466.868845][ C2] ksys_write+0x183/0x1d0 [ 5466.868848][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5466.868851][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5466.868858][ C2] do_syscall_64+0xc1/0x380 [ 5466.868862][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5466.868866][ C2] RIP: 0033:0x7f492fa5f337 [ 5466.868875][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5466.868876][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5466.868880][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5466.868882][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5466.868884][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5466.868886][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5466.868887][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5466.868894][ C2] [ 5492.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3029s! [mptcp_connect:16967] [ 5492.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5492.512932][ C2] irq event stamp: 66996 [ 5492.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5492.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5492.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5492.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5492.512963][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5492.512969][ C2] Tainted: [L]=SOFTLOCKUP [ 5492.512971][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5492.512973][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 5492.512978][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 5492.512981][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5492.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5492.512987][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5492.512989][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5492.512991][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5492.512993][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5492.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5492.512998][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5492.513002][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5492.513004][ C2] PKRU: 55555554 [ 5492.513005][ C2] Call Trace: [ 5492.513009][ C2] [ 5492.513013][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5492.513021][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5492.513027][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5492.513030][ C2] ? lock_acquire+0x10c/0x170 [ 5492.513034][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5492.513039][ C2] mptcp_try_fallback+0x14b/0x360 [ 5492.513043][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5492.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5492.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5492.513055][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5492.513060][ C2] __mptcp_retrans+0x42a/0x960 [ 5492.513066][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5492.513072][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5492.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5492.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5492.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5492.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5492.513095][ C2] ? lock_acquire+0x10c/0x170 [ 5492.513098][ C2] ? release_sock+0x1f/0x1d0 [ 5492.513104][ C2] release_sock+0x17f/0x1d0 [ 5492.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5492.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5492.513119][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5492.513123][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5492.513129][ C2] ? find_held_lock+0x2b/0x80 [ 5492.513133][ C2] sock_write_iter+0x3c1/0x520 [ 5492.513139][ C2] ? __up_write+0x1ad/0x530 [ 5492.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5492.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 5492.513157][ C2] vfs_write+0xc0c/0x1210 [ 5492.513161][ C2] ? ksys_write+0x137/0x1d0 [ 5492.513163][ C2] ? __lock_release+0x5d/0x170 [ 5492.513167][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5492.513171][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5492.513178][ C2] ksys_write+0x183/0x1d0 [ 5492.513182][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5492.513185][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5492.513192][ C2] do_syscall_64+0xc1/0x380 [ 5492.513197][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5492.513201][ C2] RIP: 0033:0x7f492fa5f337 [ 5492.513209][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5492.513210][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5492.513214][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5492.513216][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5492.513218][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5492.513220][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5492.513222][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5492.513228][ C2] [ 5520.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3055s! [mptcp_connect:16967] [ 5520.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5520.512934][ C2] irq event stamp: 66996 [ 5520.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5520.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5520.512951][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5520.512957][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5520.512965][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5520.512971][ C2] Tainted: [L]=SOFTLOCKUP [ 5520.512973][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5520.512975][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5520.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5520.512984][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5520.512987][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5520.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5520.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5520.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5520.512996][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5520.512998][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5520.513001][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5520.513004][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5520.513007][ C2] PKRU: 55555554 [ 5520.513008][ C2] Call Trace: [ 5520.513012][ C2] [ 5520.513016][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5520.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5520.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5520.513033][ C2] ? lock_acquire+0x10c/0x170 [ 5520.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5520.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 5520.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5520.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5520.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5520.513059][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5520.513064][ C2] __mptcp_retrans+0x42a/0x960 [ 5520.513070][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5520.513075][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5520.513083][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5520.513090][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5520.513093][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5520.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5520.513099][ C2] ? lock_acquire+0x10c/0x170 [ 5520.513102][ C2] ? release_sock+0x1f/0x1d0 [ 5520.513108][ C2] release_sock+0x17f/0x1d0 [ 5520.513112][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5520.513120][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5520.513124][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5520.513128][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5520.513134][ C2] ? find_held_lock+0x2b/0x80 [ 5520.513138][ C2] sock_write_iter+0x3c1/0x520 [ 5520.513143][ C2] ? __up_write+0x1ad/0x530 [ 5520.513148][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5520.513155][ C2] ? ksys_write+0xf7/0x1d0 [ 5520.513162][ C2] vfs_write+0xc0c/0x1210 [ 5520.513167][ C2] ? ksys_write+0x137/0x1d0 [ 5520.513169][ C2] ? __lock_release+0x5d/0x170 [ 5520.513173][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5520.513177][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5520.513184][ C2] ksys_write+0x183/0x1d0 [ 5520.513188][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5520.513191][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5520.513198][ C2] do_syscall_64+0xc1/0x380 [ 5520.513202][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5520.513206][ C2] RIP: 0033:0x7f492fa5f337 [ 5520.513216][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5520.513217][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5520.513220][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5520.513223][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5520.513225][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5520.513227][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5520.513229][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5520.513235][ C2] [ 5544.872474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5544.872887][ C2] rcu: 2-....: (3299129 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1064299 [ 5544.873412][ C2] rcu: (t=3302209 jiffies g=1296501 q=59260 ncpus=4) [ 5544.873660][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5544.873666][ C2] Tainted: [L]=SOFTLOCKUP [ 5544.873668][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5544.873670][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5544.873680][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5544.873684][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5544.873688][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5544.873690][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5544.873692][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5544.873694][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5544.873696][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5544.873698][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5544.873701][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5544.873705][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5544.873707][ C2] PKRU: 55555554 [ 5544.873709][ C2] Call Trace: [ 5544.873710][ C2] [ 5544.873712][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5544.873721][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5544.873725][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5544.873728][ C2] ? lock_acquire+0x10c/0x170 [ 5544.873732][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5544.873739][ C2] mptcp_try_fallback+0x14b/0x360 [ 5544.873743][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5544.873749][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5544.873752][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5544.873755][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5544.873760][ C2] __mptcp_retrans+0x42a/0x960 [ 5544.873765][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5544.873771][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5544.873778][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5544.873785][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5544.873788][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5544.873791][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5544.873794][ C2] ? lock_acquire+0x10c/0x170 [ 5544.873797][ C2] ? release_sock+0x1f/0x1d0 [ 5544.873803][ C2] release_sock+0x17f/0x1d0 [ 5544.873807][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5544.873814][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5544.873818][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5544.873822][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5544.873827][ C2] ? find_held_lock+0x2b/0x80 [ 5544.873831][ C2] sock_write_iter+0x3c1/0x520 [ 5544.873836][ C2] ? __up_write+0x1ad/0x530 [ 5544.873841][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5544.873848][ C2] ? ksys_write+0xf7/0x1d0 [ 5544.873854][ C2] vfs_write+0xc0c/0x1210 [ 5544.873857][ C2] ? ksys_write+0x137/0x1d0 [ 5544.873860][ C2] ? __lock_release+0x5d/0x170 [ 5544.873864][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5544.873868][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5544.873875][ C2] ksys_write+0x183/0x1d0 [ 5544.873878][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5544.873881][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5544.873888][ C2] do_syscall_64+0xc1/0x380 [ 5544.873892][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5544.873895][ C2] RIP: 0033:0x7f492fa5f337 [ 5544.873903][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5544.873905][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5544.873908][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5544.873910][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5544.873912][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5544.873914][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5544.873916][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5544.873922][ C2] [ 5551.535489][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3278840 jiffies s: 68497 root: 0x4/. [ 5551.536053][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5551.536252][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5551.536419][ C2] NMI backtrace for cpu 2 [ 5551.536428][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5551.536435][ C2] Tainted: [L]=SOFTLOCKUP [ 5551.536437][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5551.536439][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5551.536448][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 5551.536452][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5551.536455][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 5551.536458][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5551.536460][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5551.536462][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5551.536464][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 5551.536467][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5551.536469][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5551.536474][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5551.536476][ C2] PKRU: 55555554 [ 5551.536478][ C2] Call Trace: [ 5551.536480][ C2] [ 5551.536482][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5551.536491][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5551.536498][ C2] __common_interrupt+0xad/0x1d0 [ 5551.536504][ C2] common_interrupt+0xb9/0xe0 [ 5551.536510][ C2] [ 5551.536511][ C2] [ 5551.536513][ C2] asm_common_interrupt+0x26/0x40 [ 5551.536518][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5551.536523][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5551.536526][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5551.536529][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5551.536531][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5551.536533][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5551.536535][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5551.536537][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5551.536541][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5551.536547][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5551.536554][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5551.536558][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5551.536561][ C2] ? lock_acquire+0x10c/0x170 [ 5551.536565][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5551.536572][ C2] mptcp_try_fallback+0x14b/0x360 [ 5551.536576][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5551.536582][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5551.536585][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5551.536588][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5551.536593][ C2] __mptcp_retrans+0x42a/0x960 [ 5551.536598][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5551.536603][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5551.536610][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5551.536617][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5551.536620][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5551.536623][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5551.536626][ C2] ? lock_acquire+0x10c/0x170 [ 5551.536629][ C2] ? release_sock+0x1f/0x1d0 [ 5551.536635][ C2] release_sock+0x17f/0x1d0 [ 5551.536639][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5551.536646][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5551.536650][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5551.536654][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5551.536660][ C2] ? find_held_lock+0x2b/0x80 [ 5551.536664][ C2] sock_write_iter+0x3c1/0x520 [ 5551.536669][ C2] ? __up_write+0x1ad/0x530 [ 5551.536673][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5551.536680][ C2] ? ksys_write+0xf7/0x1d0 [ 5551.536687][ C2] vfs_write+0xc0c/0x1210 [ 5551.536690][ C2] ? ksys_write+0x137/0x1d0 [ 5551.536693][ C2] ? __lock_release+0x5d/0x170 [ 5551.536697][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5551.536700][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5551.536707][ C2] ksys_write+0x183/0x1d0 [ 5551.536711][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5551.536713][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5551.536720][ C2] do_syscall_64+0xc1/0x380 [ 5551.536724][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5551.536727][ C2] RIP: 0033:0x7f492fa5f337 [ 5551.536736][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5551.536737][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5551.536741][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5551.536743][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5551.536745][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5551.536747][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5551.536749][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5551.536755][ C2] [ 5576.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3107s! [mptcp_connect:16967] [ 5576.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5576.512932][ C2] irq event stamp: 66996 [ 5576.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5576.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5576.512948][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5576.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5576.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5576.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 5576.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5576.512972][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5576.512978][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5576.512981][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5576.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5576.512986][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5576.512989][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5576.512991][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5576.512993][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5576.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5576.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5576.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5576.513003][ C2] PKRU: 55555554 [ 5576.513005][ C2] Call Trace: [ 5576.513008][ C2] [ 5576.513013][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5576.513020][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5576.513026][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5576.513029][ C2] ? lock_acquire+0x10c/0x170 [ 5576.513033][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5576.513038][ C2] mptcp_try_fallback+0x14b/0x360 [ 5576.513042][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5576.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5576.513051][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5576.513054][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5576.513059][ C2] __mptcp_retrans+0x42a/0x960 [ 5576.513065][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5576.513070][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5576.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5576.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5576.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5576.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5576.513094][ C2] ? lock_acquire+0x10c/0x170 [ 5576.513097][ C2] ? release_sock+0x1f/0x1d0 [ 5576.513104][ C2] release_sock+0x17f/0x1d0 [ 5576.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5576.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5576.513119][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5576.513123][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5576.513129][ C2] ? find_held_lock+0x2b/0x80 [ 5576.513133][ C2] sock_write_iter+0x3c1/0x520 [ 5576.513138][ C2] ? __up_write+0x1ad/0x530 [ 5576.513143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5576.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 5576.513157][ C2] vfs_write+0xc0c/0x1210 [ 5576.513161][ C2] ? ksys_write+0x137/0x1d0 [ 5576.513163][ C2] ? __lock_release+0x5d/0x170 [ 5576.513167][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5576.513171][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5576.513179][ C2] ksys_write+0x183/0x1d0 [ 5576.513182][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5576.513185][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5576.513192][ C2] do_syscall_64+0xc1/0x380 [ 5576.513197][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5576.513201][ C2] RIP: 0033:0x7f492fa5f337 [ 5576.513209][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5576.513211][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5576.513214][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5576.513217][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5576.513219][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5576.513221][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5576.513223][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5576.513229][ C2] [ 5604.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3133s! [mptcp_connect:16967] [ 5604.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5604.512934][ C2] irq event stamp: 66996 [ 5604.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5604.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5604.512951][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5604.512957][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5604.512966][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5604.512971][ C2] Tainted: [L]=SOFTLOCKUP [ 5604.512973][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5604.512975][ C2] RIP: 0010:kasan_check_range+0x16/0x1c0 [ 5604.512982][ C2] Code: 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 <48> 01 f0 55 53 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe [ 5604.512985][ C2] RSP: 0018:ffffc9000028f5c0 EFLAGS: 00000202 [ 5604.512989][ C2] RAX: ffff88800bf86b30 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5604.512991][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5604.512993][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5604.512995][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5604.512997][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5604.512999][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5604.513002][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5604.513006][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5604.513008][ C2] PKRU: 55555554 [ 5604.513009][ C2] Call Trace: [ 5604.513013][ C2] [ 5604.513017][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5604.513023][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5604.513030][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5604.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5604.513038][ C2] ? lock_acquire+0x10c/0x170 [ 5604.513042][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5604.513047][ C2] mptcp_try_fallback+0x14b/0x360 [ 5604.513052][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5604.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5604.513061][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5604.513064][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5604.513069][ C2] __mptcp_retrans+0x42a/0x960 [ 5604.513075][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5604.513080][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5604.513087][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5604.513095][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5604.513098][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5604.513101][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5604.513104][ C2] ? lock_acquire+0x10c/0x170 [ 5604.513107][ C2] ? release_sock+0x1f/0x1d0 [ 5604.513113][ C2] release_sock+0x17f/0x1d0 [ 5604.513117][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5604.513125][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5604.513128][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5604.513132][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5604.513138][ C2] ? find_held_lock+0x2b/0x80 [ 5604.513142][ C2] sock_write_iter+0x3c1/0x520 [ 5604.513147][ C2] ? __up_write+0x1ad/0x530 [ 5604.513152][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5604.513159][ C2] ? ksys_write+0xf7/0x1d0 [ 5604.513165][ C2] vfs_write+0xc0c/0x1210 [ 5604.513169][ C2] ? ksys_write+0x137/0x1d0 [ 5604.513171][ C2] ? __lock_release+0x5d/0x170 [ 5604.513175][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5604.513179][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5604.513186][ C2] ksys_write+0x183/0x1d0 [ 5604.513190][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5604.513192][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5604.513199][ C2] do_syscall_64+0xc1/0x380 [ 5604.513204][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5604.513208][ C2] RIP: 0033:0x7f492fa5f337 [ 5604.513217][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5604.513219][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5604.513222][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5604.513224][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5604.513226][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5604.513228][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5604.513230][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5604.513236][ C2] [ 5622.877476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5622.878014][ C2] rcu: 2-....: (3377064 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1094288 [ 5622.878420][ C2] rcu: (t=3380214 jiffies g=1296501 q=60689 ncpus=4) [ 5622.878667][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5622.878673][ C2] Tainted: [L]=SOFTLOCKUP [ 5622.878675][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5622.878677][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5622.878688][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5622.878691][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5622.878695][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5622.878698][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5622.878700][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5622.878702][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5622.878704][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5622.878706][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5622.878709][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5622.878713][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5622.878715][ C2] PKRU: 55555554 [ 5622.878716][ C2] Call Trace: [ 5622.878718][ C2] [ 5622.878720][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5622.878728][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5622.878733][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5622.878736][ C2] ? lock_acquire+0x10c/0x170 [ 5622.878740][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5622.878747][ C2] mptcp_try_fallback+0x14b/0x360 [ 5622.878751][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5622.878757][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5622.878760][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5622.878763][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5622.878768][ C2] __mptcp_retrans+0x42a/0x960 [ 5622.878774][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5622.878779][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5622.878786][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5622.878794][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5622.878796][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5622.878799][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5622.878802][ C2] ? lock_acquire+0x10c/0x170 [ 5622.878805][ C2] ? release_sock+0x1f/0x1d0 [ 5622.878811][ C2] release_sock+0x17f/0x1d0 [ 5622.878814][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5622.878822][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5622.878826][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5622.878830][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5622.878836][ C2] ? find_held_lock+0x2b/0x80 [ 5622.878840][ C2] sock_write_iter+0x3c1/0x520 [ 5622.878846][ C2] ? __up_write+0x1ad/0x530 [ 5622.878850][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5622.878857][ C2] ? ksys_write+0xf7/0x1d0 [ 5622.878863][ C2] vfs_write+0xc0c/0x1210 [ 5622.878867][ C2] ? ksys_write+0x137/0x1d0 [ 5622.878869][ C2] ? __lock_release+0x5d/0x170 [ 5622.878873][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5622.878877][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5622.878885][ C2] ksys_write+0x183/0x1d0 [ 5622.878888][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5622.878891][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5622.878898][ C2] do_syscall_64+0xc1/0x380 [ 5622.878901][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5622.878905][ C2] RIP: 0033:0x7f492fa5f337 [ 5622.878914][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5622.878916][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5622.878919][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5622.878921][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5622.878923][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5622.878925][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5622.878927][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5622.878933][ C2] [ 5648.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3174s! [mptcp_connect:16967] [ 5648.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5648.512934][ C2] irq event stamp: 66996 [ 5648.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5648.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5648.512951][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5648.512957][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5648.512965][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5648.512971][ C2] Tainted: [L]=SOFTLOCKUP [ 5648.512973][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5648.512975][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5648.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5648.512984][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5648.512987][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5648.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5648.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5648.512994][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5648.512996][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5648.512998][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5648.513001][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5648.513005][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5648.513007][ C2] PKRU: 55555554 [ 5648.513008][ C2] Call Trace: [ 5648.513012][ C2] [ 5648.513016][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5648.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5648.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5648.513033][ C2] ? lock_acquire+0x10c/0x170 [ 5648.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5648.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 5648.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5648.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5648.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5648.513059][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5648.513064][ C2] __mptcp_retrans+0x42a/0x960 [ 5648.513070][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5648.513075][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5648.513082][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5648.513090][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5648.513093][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5648.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5648.513098][ C2] ? lock_acquire+0x10c/0x170 [ 5648.513101][ C2] ? release_sock+0x1f/0x1d0 [ 5648.513107][ C2] release_sock+0x17f/0x1d0 [ 5648.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5648.513119][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5648.513123][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5648.513127][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5648.513133][ C2] ? find_held_lock+0x2b/0x80 [ 5648.513137][ C2] sock_write_iter+0x3c1/0x520 [ 5648.513142][ C2] ? __up_write+0x1ad/0x530 [ 5648.513147][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5648.513153][ C2] ? ksys_write+0xf7/0x1d0 [ 5648.513160][ C2] vfs_write+0xc0c/0x1210 [ 5648.513164][ C2] ? ksys_write+0x137/0x1d0 [ 5648.513166][ C2] ? __lock_release+0x5d/0x170 [ 5648.513170][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5648.513174][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5648.513181][ C2] ksys_write+0x183/0x1d0 [ 5648.513185][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5648.513188][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5648.513195][ C2] do_syscall_64+0xc1/0x380 [ 5648.513199][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5648.513203][ C2] RIP: 0033:0x7f492fa5f337 [ 5648.513212][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5648.513214][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5648.513218][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5648.513220][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5648.513222][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5648.513224][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5648.513226][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5648.513232][ C2] [ 5649.839494][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3377144 jiffies s: 68497 root: 0x4/. [ 5649.840172][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5649.840442][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5649.840621][ C2] NMI backtrace for cpu 2 [ 5649.840630][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5649.840636][ C2] Tainted: [L]=SOFTLOCKUP [ 5649.840638][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5649.840640][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5649.840649][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5649.840653][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5649.840656][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5649.840659][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5649.840661][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5649.840663][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5649.840665][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5649.840667][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5649.840669][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5649.840673][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5649.840675][ C2] PKRU: 55555554 [ 5649.840676][ C2] Call Trace: [ 5649.840679][ C2] [ 5649.840684][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5649.840691][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5649.840697][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5649.840700][ C2] ? lock_acquire+0x10c/0x170 [ 5649.840704][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5649.840710][ C2] mptcp_try_fallback+0x14b/0x360 [ 5649.840715][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5649.840721][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5649.840724][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5649.840727][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5649.840732][ C2] __mptcp_retrans+0x42a/0x960 [ 5649.840738][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5649.840743][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5649.840750][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5649.840758][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5649.840761][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5649.840764][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5649.840767][ C2] ? lock_acquire+0x10c/0x170 [ 5649.840770][ C2] ? release_sock+0x1f/0x1d0 [ 5649.840775][ C2] release_sock+0x17f/0x1d0 [ 5649.840779][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5649.840787][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5649.840791][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5649.840795][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5649.840801][ C2] ? find_held_lock+0x2b/0x80 [ 5649.840805][ C2] sock_write_iter+0x3c1/0x520 [ 5649.840811][ C2] ? __up_write+0x1ad/0x530 [ 5649.840816][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5649.840822][ C2] ? ksys_write+0xf7/0x1d0 [ 5649.840829][ C2] vfs_write+0xc0c/0x1210 [ 5649.840833][ C2] ? ksys_write+0x137/0x1d0 [ 5649.840835][ C2] ? __lock_release+0x5d/0x170 [ 5649.840839][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5649.840843][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5649.840850][ C2] ksys_write+0x183/0x1d0 [ 5649.840853][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5649.840856][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5649.840863][ C2] do_syscall_64+0xc1/0x380 [ 5649.840867][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5649.840871][ C2] RIP: 0033:0x7f492fa5f337 [ 5649.840879][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5649.840881][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5649.840884][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5649.840887][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5649.840889][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5649.840890][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5649.840892][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5649.840898][ C2] [ 5676.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3200s! [mptcp_connect:16967] [ 5676.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5676.512934][ C2] irq event stamp: 66996 [ 5676.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5676.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5676.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5676.512957][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5676.512965][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5676.512971][ C2] Tainted: [L]=SOFTLOCKUP [ 5676.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5676.512975][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5676.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5676.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5676.512987][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5676.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5676.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5676.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5676.512995][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5676.512997][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5676.513000][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5676.513004][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5676.513006][ C2] PKRU: 55555554 [ 5676.513008][ C2] Call Trace: [ 5676.513012][ C2] [ 5676.513016][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5676.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5676.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5676.513032][ C2] ? lock_acquire+0x10c/0x170 [ 5676.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5676.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 5676.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5676.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5676.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5676.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5676.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 5676.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5676.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5676.513082][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5676.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5676.513092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5676.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5676.513098][ C2] ? lock_acquire+0x10c/0x170 [ 5676.513100][ C2] ? release_sock+0x1f/0x1d0 [ 5676.513107][ C2] release_sock+0x17f/0x1d0 [ 5676.513110][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5676.513118][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5676.513122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5676.513126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5676.513131][ C2] ? find_held_lock+0x2b/0x80 [ 5676.513136][ C2] sock_write_iter+0x3c1/0x520 [ 5676.513141][ C2] ? __up_write+0x1ad/0x530 [ 5676.513146][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5676.513152][ C2] ? ksys_write+0xf7/0x1d0 [ 5676.513159][ C2] vfs_write+0xc0c/0x1210 [ 5676.513163][ C2] ? ksys_write+0x137/0x1d0 [ 5676.513166][ C2] ? __lock_release+0x5d/0x170 [ 5676.513169][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5676.513173][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5676.513181][ C2] ksys_write+0x183/0x1d0 [ 5676.513184][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5676.513187][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5676.513194][ C2] do_syscall_64+0xc1/0x380 [ 5676.513199][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5676.513203][ C2] RIP: 0033:0x7f492fa5f337 [ 5676.513212][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5676.513214][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5676.513217][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5676.513219][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5676.513222][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5676.513224][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5676.513226][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5676.513232][ C2] [ 5700.882479][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5700.882968][ C2] rcu: 2-....: (3455003 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1121588 [ 5700.883348][ C2] rcu: (t=3458219 jiffies g=1296501 q=62034 ncpus=4) [ 5700.883644][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5700.883651][ C2] Tainted: [L]=SOFTLOCKUP [ 5700.883653][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5700.883656][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5700.883669][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5700.883673][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5700.883678][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5700.883680][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5700.883682][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5700.883685][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5700.883687][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5700.883690][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5700.883693][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5700.883697][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5700.883699][ C2] PKRU: 55555554 [ 5700.883700][ C2] Call Trace: [ 5700.883702][ C2] [ 5700.883704][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5700.883712][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5700.883718][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5700.883721][ C2] ? lock_acquire+0x10c/0x170 [ 5700.883726][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5700.883735][ C2] mptcp_try_fallback+0x14b/0x360 [ 5700.883739][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5700.883745][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5700.883748][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5700.883751][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5700.883756][ C2] __mptcp_retrans+0x42a/0x960 [ 5700.883762][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5700.883768][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5700.883777][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5700.883785][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5700.883788][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5700.883792][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5700.883794][ C2] ? lock_acquire+0x10c/0x170 [ 5700.883798][ C2] ? release_sock+0x1f/0x1d0 [ 5700.883805][ C2] release_sock+0x17f/0x1d0 [ 5700.883808][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5700.883816][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5700.883820][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5700.883824][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5700.883831][ C2] ? find_held_lock+0x2b/0x80 [ 5700.883835][ C2] sock_write_iter+0x3c1/0x520 [ 5700.883841][ C2] ? __up_write+0x1ad/0x530 [ 5700.883847][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5700.883853][ C2] ? ksys_write+0xf7/0x1d0 [ 5700.883861][ C2] vfs_write+0xc0c/0x1210 [ 5700.883864][ C2] ? ksys_write+0x137/0x1d0 [ 5700.883867][ C2] ? __lock_release+0x5d/0x170 [ 5700.883871][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5700.883874][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5700.883882][ C2] ksys_write+0x183/0x1d0 [ 5700.883885][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5700.883888][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5700.883897][ C2] do_syscall_64+0xc1/0x380 [ 5700.883901][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5700.883906][ C2] RIP: 0033:0x7f492fa5f337 [ 5700.883918][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5700.883920][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5700.883923][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5700.883926][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5700.883928][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5700.883930][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5700.883933][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5700.883939][ C2] [ 5728.512909][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3249s! [mptcp_connect:16967] [ 5728.512921][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5728.512941][ C2] irq event stamp: 66996 [ 5728.512943][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5728.512957][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5728.512962][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5728.512969][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5728.512979][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5728.512985][ C2] Tainted: [L]=SOFTLOCKUP [ 5728.512987][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5728.512990][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5728.512996][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5728.512999][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5728.513003][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5728.513006][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5728.513008][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5728.513010][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5728.513012][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5728.513015][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5728.513018][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5728.513022][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5728.513024][ C2] PKRU: 55555554 [ 5728.513025][ C2] Call Trace: [ 5728.513031][ C2] [ 5728.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5728.513044][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5728.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5728.513055][ C2] ? lock_acquire+0x10c/0x170 [ 5728.513060][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5728.513065][ C2] mptcp_try_fallback+0x14b/0x360 [ 5728.513069][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5728.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5728.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5728.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5728.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 5728.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5728.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5728.513108][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5728.513116][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5728.513119][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5728.513122][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5728.513125][ C2] ? lock_acquire+0x10c/0x170 [ 5728.513128][ C2] ? release_sock+0x1f/0x1d0 [ 5728.513135][ C2] release_sock+0x17f/0x1d0 [ 5728.513139][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5728.513147][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5728.513151][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5728.513155][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5728.513162][ C2] ? find_held_lock+0x2b/0x80 [ 5728.513167][ C2] sock_write_iter+0x3c1/0x520 [ 5728.513173][ C2] ? __up_write+0x1ad/0x530 [ 5728.513179][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5728.513186][ C2] ? ksys_write+0xf7/0x1d0 [ 5728.513194][ C2] vfs_write+0xc0c/0x1210 [ 5728.513199][ C2] ? ksys_write+0x137/0x1d0 [ 5728.513201][ C2] ? __lock_release+0x5d/0x170 [ 5728.513206][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5728.513210][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5728.513217][ C2] ksys_write+0x183/0x1d0 [ 5728.513221][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5728.513224][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5728.513232][ C2] do_syscall_64+0xc1/0x380 [ 5728.513237][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5728.513242][ C2] RIP: 0033:0x7f492fa5f337 [ 5728.513254][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5728.513256][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5728.513259][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5728.513261][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5728.513263][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5728.513266][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5728.513268][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5728.513274][ C2] [ 5748.144491][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3475449 jiffies s: 68497 root: 0x4/. [ 5748.144940][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5748.145133][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5748.145390][ C2] NMI backtrace for cpu 2 [ 5748.145406][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5748.145414][ C2] Tainted: [L]=SOFTLOCKUP [ 5748.145415][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5748.145419][ C2] RIP: 0010:kasan_check_range+0x161/0x1c0 [ 5748.145432][ C2] Code: 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 a5 <80> 38 00 74 f2 e9 74 ff ff ff b8 01 00 00 00 e9 db f9 1a 02 48 29 [ 5748.145435][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 5748.145440][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 5748.145443][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5748.145445][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5748.145448][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5748.145450][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5748.145452][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5748.145455][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5748.145459][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5748.145461][ C2] PKRU: 55555554 [ 5748.145463][ C2] Call Trace: [ 5748.145467][ C2] [ 5748.145474][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5748.145485][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5748.145493][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5748.145499][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5748.145502][ C2] ? lock_acquire+0x10c/0x170 [ 5748.145507][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5748.145515][ C2] mptcp_try_fallback+0x14b/0x360 [ 5748.145521][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5748.145528][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5748.145531][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5748.145534][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5748.145539][ C2] __mptcp_retrans+0x42a/0x960 [ 5748.145546][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5748.145551][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5748.145560][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5748.145568][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5748.145571][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5748.145574][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5748.145577][ C2] ? lock_acquire+0x10c/0x170 [ 5748.145580][ C2] ? release_sock+0x1f/0x1d0 [ 5748.145587][ C2] release_sock+0x17f/0x1d0 [ 5748.145591][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5748.145599][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5748.145603][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5748.145608][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5748.145615][ C2] ? find_held_lock+0x2b/0x80 [ 5748.145619][ C2] sock_write_iter+0x3c1/0x520 [ 5748.145625][ C2] ? __up_write+0x1ad/0x530 [ 5748.145631][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5748.145638][ C2] ? ksys_write+0xf7/0x1d0 [ 5748.145645][ C2] vfs_write+0xc0c/0x1210 [ 5748.145649][ C2] ? ksys_write+0x137/0x1d0 [ 5748.145651][ C2] ? __lock_release+0x5d/0x170 [ 5748.145655][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5748.145660][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5748.145667][ C2] ksys_write+0x183/0x1d0 [ 5748.145671][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5748.145674][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5748.145682][ C2] do_syscall_64+0xc1/0x380 [ 5748.145687][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5748.145693][ C2] RIP: 0033:0x7f492fa5f337 [ 5748.145704][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5748.145706][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5748.145710][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5748.145712][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5748.145714][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5748.145716][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5748.145718][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5748.145724][ C2] [ 5772.512909][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3290s! [mptcp_connect:16967] [ 5772.512922][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5772.512940][ C2] irq event stamp: 66996 [ 5772.512942][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5772.512956][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5772.512961][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5772.512968][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5772.512979][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5772.512985][ C2] Tainted: [L]=SOFTLOCKUP [ 5772.512987][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5772.512991][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5772.512997][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5772.513000][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5772.513004][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5772.513006][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5772.513009][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5772.513011][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5772.513013][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5772.513015][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5772.513018][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5772.513022][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5772.513024][ C2] PKRU: 55555554 [ 5772.513026][ C2] Call Trace: [ 5772.513031][ C2] [ 5772.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5772.513044][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5772.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5772.513054][ C2] ? lock_acquire+0x10c/0x170 [ 5772.513059][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5772.513064][ C2] mptcp_try_fallback+0x14b/0x360 [ 5772.513068][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5772.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5772.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5772.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5772.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 5772.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5772.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5772.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5772.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5772.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5772.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5772.513124][ C2] ? lock_acquire+0x10c/0x170 [ 5772.513127][ C2] ? release_sock+0x1f/0x1d0 [ 5772.513134][ C2] release_sock+0x17f/0x1d0 [ 5772.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5772.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5772.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5772.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5772.513161][ C2] ? find_held_lock+0x2b/0x80 [ 5772.513166][ C2] sock_write_iter+0x3c1/0x520 [ 5772.513173][ C2] ? __up_write+0x1ad/0x530 [ 5772.513179][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5772.513186][ C2] ? ksys_write+0xf7/0x1d0 [ 5772.513194][ C2] vfs_write+0xc0c/0x1210 [ 5772.513199][ C2] ? ksys_write+0x137/0x1d0 [ 5772.513201][ C2] ? __lock_release+0x5d/0x170 [ 5772.513206][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5772.513210][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5772.513217][ C2] ksys_write+0x183/0x1d0 [ 5772.513221][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5772.513224][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5772.513232][ C2] do_syscall_64+0xc1/0x380 [ 5772.513237][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5772.513242][ C2] RIP: 0033:0x7f492fa5f337 [ 5772.513254][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5772.513256][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5772.513259][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5772.513262][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5772.513264][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5772.513266][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5772.513268][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5772.513275][ C2] [ 5778.887479][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5778.887999][ C2] rcu: 2-....: (3532945 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1150687 [ 5778.888383][ C2] rcu: (t=3536224 jiffies g=1296501 q=63382 ncpus=4) [ 5778.888770][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5778.888777][ C2] Tainted: [L]=SOFTLOCKUP [ 5778.888779][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5778.888782][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5778.888795][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5778.888799][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5778.888803][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5778.888806][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5778.888808][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5778.888810][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5778.888812][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5778.888814][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5778.888817][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5778.888821][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5778.888823][ C2] PKRU: 55555554 [ 5778.888825][ C2] Call Trace: [ 5778.888826][ C2] [ 5778.888829][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5778.888837][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5778.888844][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5778.888847][ C2] ? lock_acquire+0x10c/0x170 [ 5778.888852][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5778.888860][ C2] mptcp_try_fallback+0x14b/0x360 [ 5778.888864][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5778.888871][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5778.888874][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5778.888877][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5778.888882][ C2] __mptcp_retrans+0x42a/0x960 [ 5778.888888][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5778.888894][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5778.888903][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5778.888910][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5778.888913][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5778.888916][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5778.888919][ C2] ? lock_acquire+0x10c/0x170 [ 5778.888922][ C2] ? release_sock+0x1f/0x1d0 [ 5778.888929][ C2] release_sock+0x17f/0x1d0 [ 5778.888933][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5778.888940][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5778.888944][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5778.888948][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5778.888955][ C2] ? find_held_lock+0x2b/0x80 [ 5778.888960][ C2] sock_write_iter+0x3c1/0x520 [ 5778.888966][ C2] ? __up_write+0x1ad/0x530 [ 5778.888971][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5778.888978][ C2] ? ksys_write+0xf7/0x1d0 [ 5778.888986][ C2] vfs_write+0xc0c/0x1210 [ 5778.888990][ C2] ? ksys_write+0x137/0x1d0 [ 5778.888992][ C2] ? __lock_release+0x5d/0x170 [ 5778.888996][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5778.889000][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5778.889013][ C2] ksys_write+0x183/0x1d0 [ 5778.889017][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5778.889019][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5778.889028][ C2] do_syscall_64+0xc1/0x380 [ 5778.889033][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5778.889037][ C2] RIP: 0033:0x7f492fa5f337 [ 5778.889048][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5778.889050][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5778.889054][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5778.889056][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5778.889058][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5778.889061][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5778.889063][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5778.889069][ C2] [ 5804.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3319s! [mptcp_connect:16967] [ 5804.512921][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5804.512939][ C2] irq event stamp: 66996 [ 5804.512941][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5804.512956][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5804.512960][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5804.512969][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5804.512979][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5804.512985][ C2] Tainted: [L]=SOFTLOCKUP [ 5804.512986][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5804.512990][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5804.512996][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5804.513000][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5804.513004][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5804.513006][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5804.513008][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5804.513011][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5804.513013][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5804.513015][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5804.513019][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5804.513023][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5804.513025][ C2] PKRU: 55555554 [ 5804.513027][ C2] Call Trace: [ 5804.513032][ C2] [ 5804.513037][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5804.513045][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5804.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5804.513055][ C2] ? lock_acquire+0x10c/0x170 [ 5804.513060][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5804.513065][ C2] mptcp_try_fallback+0x14b/0x360 [ 5804.513070][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5804.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5804.513080][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5804.513083][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5804.513088][ C2] __mptcp_retrans+0x42a/0x960 [ 5804.513095][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5804.513100][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5804.513109][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5804.513117][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5804.513120][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5804.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5804.513126][ C2] ? lock_acquire+0x10c/0x170 [ 5804.513129][ C2] ? release_sock+0x1f/0x1d0 [ 5804.513137][ C2] release_sock+0x17f/0x1d0 [ 5804.513141][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5804.513149][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5804.513153][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5804.513157][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5804.513164][ C2] ? find_held_lock+0x2b/0x80 [ 5804.513168][ C2] sock_write_iter+0x3c1/0x520 [ 5804.513175][ C2] ? __up_write+0x1ad/0x530 [ 5804.513181][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5804.513188][ C2] ? ksys_write+0xf7/0x1d0 [ 5804.513196][ C2] vfs_write+0xc0c/0x1210 [ 5804.513200][ C2] ? ksys_write+0x137/0x1d0 [ 5804.513203][ C2] ? __lock_release+0x5d/0x170 [ 5804.513207][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5804.513211][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5804.513218][ C2] ksys_write+0x183/0x1d0 [ 5804.513223][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5804.513226][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5804.513234][ C2] do_syscall_64+0xc1/0x380 [ 5804.513239][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5804.513244][ C2] RIP: 0033:0x7f492fa5f337 [ 5804.513256][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5804.513258][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5804.513261][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5804.513264][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5804.513266][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5804.513268][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5804.513270][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5804.513276][ C2] [ 5832.512909][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3345s! [mptcp_connect:16967] [ 5832.512922][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5832.512941][ C2] irq event stamp: 66996 [ 5832.512943][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5832.512957][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5832.512961][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5832.512970][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5832.512980][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5832.512986][ C2] Tainted: [L]=SOFTLOCKUP [ 5832.512988][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5832.512991][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5832.512998][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5832.513001][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5832.513005][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5832.513007][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5832.513010][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5832.513012][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5832.513014][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5832.513017][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5832.513019][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5832.513024][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5832.513026][ C2] PKRU: 55555554 [ 5832.513027][ C2] Call Trace: [ 5832.513033][ C2] [ 5832.513039][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5832.513047][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5832.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5832.513057][ C2] ? lock_acquire+0x10c/0x170 [ 5832.513062][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5832.513067][ C2] mptcp_try_fallback+0x14b/0x360 [ 5832.513071][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5832.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5832.513081][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5832.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5832.513089][ C2] __mptcp_retrans+0x42a/0x960 [ 5832.513095][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5832.513100][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5832.513109][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5832.513118][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5832.513120][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5832.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5832.513126][ C2] ? lock_acquire+0x10c/0x170 [ 5832.513129][ C2] ? release_sock+0x1f/0x1d0 [ 5832.513137][ C2] release_sock+0x17f/0x1d0 [ 5832.513141][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5832.513150][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5832.513153][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5832.513157][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5832.513165][ C2] ? find_held_lock+0x2b/0x80 [ 5832.513169][ C2] sock_write_iter+0x3c1/0x520 [ 5832.513176][ C2] ? __up_write+0x1ad/0x530 [ 5832.513182][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5832.513188][ C2] ? ksys_write+0xf7/0x1d0 [ 5832.513196][ C2] vfs_write+0xc0c/0x1210 [ 5832.513201][ C2] ? ksys_write+0x137/0x1d0 [ 5832.513203][ C2] ? __lock_release+0x5d/0x170 [ 5832.513207][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5832.513211][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5832.513219][ C2] ksys_write+0x183/0x1d0 [ 5832.513223][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5832.513225][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5832.513234][ C2] do_syscall_64+0xc1/0x380 [ 5832.513239][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5832.513244][ C2] RIP: 0033:0x7f492fa5f337 [ 5832.513256][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5832.513258][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5832.513261][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5832.513264][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5832.513266][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5832.513268][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5832.513270][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5832.513277][ C2] [ 5846.447496][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3573752 jiffies s: 68497 root: 0x4/. [ 5846.447975][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5846.448245][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5846.448420][ C2] NMI backtrace for cpu 2 [ 5846.448435][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5846.448442][ C2] Tainted: [L]=SOFTLOCKUP [ 5846.448444][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5846.448447][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5846.448463][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 5846.448467][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5846.448473][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 5846.448475][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5846.448478][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5846.448480][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5846.448482][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 5846.448485][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5846.448487][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5846.448491][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5846.448493][ C2] PKRU: 55555554 [ 5846.448495][ C2] Call Trace: [ 5846.448499][ C2] [ 5846.448501][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5846.448512][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5846.448520][ C2] __common_interrupt+0xad/0x1d0 [ 5846.448528][ C2] common_interrupt+0xb9/0xe0 [ 5846.448535][ C2] [ 5846.448536][ C2] [ 5846.448538][ C2] asm_common_interrupt+0x26/0x40 [ 5846.448545][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 5846.448551][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 5846.448555][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5846.448557][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5846.448559][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5846.448561][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5846.448563][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5846.448565][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5846.448569][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5846.448576][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5846.448583][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5846.448588][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5846.448591][ C2] ? lock_acquire+0x10c/0x170 [ 5846.448596][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5846.448605][ C2] mptcp_try_fallback+0x14b/0x360 [ 5846.448610][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5846.448617][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5846.448619][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5846.448622][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5846.448628][ C2] __mptcp_retrans+0x42a/0x960 [ 5846.448634][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5846.448639][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5846.448647][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5846.448655][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5846.448658][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5846.448661][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5846.448664][ C2] ? lock_acquire+0x10c/0x170 [ 5846.448667][ C2] ? release_sock+0x1f/0x1d0 [ 5846.448674][ C2] release_sock+0x17f/0x1d0 [ 5846.448678][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5846.448685][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5846.448690][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5846.448693][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5846.448701][ C2] ? find_held_lock+0x2b/0x80 [ 5846.448705][ C2] sock_write_iter+0x3c1/0x520 [ 5846.448712][ C2] ? __up_write+0x1ad/0x530 [ 5846.448718][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5846.448724][ C2] ? ksys_write+0xf7/0x1d0 [ 5846.448732][ C2] vfs_write+0xc0c/0x1210 [ 5846.448736][ C2] ? ksys_write+0x137/0x1d0 [ 5846.448739][ C2] ? __lock_release+0x5d/0x170 [ 5846.448743][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5846.448747][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5846.448754][ C2] ksys_write+0x183/0x1d0 [ 5846.448758][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5846.448761][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5846.448768][ C2] do_syscall_64+0xc1/0x380 [ 5846.448772][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5846.448776][ C2] RIP: 0033:0x7f492fa5f337 [ 5846.448787][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5846.448789][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5846.448793][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5846.448795][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5846.448797][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5846.448799][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5846.448802][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5846.448808][ C2] [ 5856.892477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5856.892936][ C2] rcu: 2-....: (3610882 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1182739 [ 5856.893313][ C2] rcu: (t=3614229 jiffies g=1296501 q=64811 ncpus=4) [ 5856.893704][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5856.893711][ C2] Tainted: [L]=SOFTLOCKUP [ 5856.893712][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5856.893715][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5856.893728][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5856.893732][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5856.893736][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5856.893738][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5856.893741][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5856.893743][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5856.893745][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5856.893747][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5856.893750][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5856.893754][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5856.893756][ C2] PKRU: 55555554 [ 5856.893758][ C2] Call Trace: [ 5856.893759][ C2] [ 5856.893762][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5856.893770][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5856.893776][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5856.893779][ C2] ? lock_acquire+0x10c/0x170 [ 5856.893784][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5856.893792][ C2] mptcp_try_fallback+0x14b/0x360 [ 5856.893796][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5856.893803][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5856.893805][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5856.893808][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5856.893813][ C2] __mptcp_retrans+0x42a/0x960 [ 5856.893819][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5856.893825][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5856.893833][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5856.893841][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5856.893844][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5856.893848][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5856.893850][ C2] ? lock_acquire+0x10c/0x170 [ 5856.893853][ C2] ? release_sock+0x1f/0x1d0 [ 5856.893861][ C2] release_sock+0x17f/0x1d0 [ 5856.893864][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5856.893871][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5856.893876][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5856.893880][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5856.893887][ C2] ? find_held_lock+0x2b/0x80 [ 5856.893891][ C2] sock_write_iter+0x3c1/0x520 [ 5856.893898][ C2] ? __up_write+0x1ad/0x530 [ 5856.893904][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5856.893911][ C2] ? ksys_write+0xf7/0x1d0 [ 5856.893919][ C2] vfs_write+0xc0c/0x1210 [ 5856.893922][ C2] ? ksys_write+0x137/0x1d0 [ 5856.893925][ C2] ? __lock_release+0x5d/0x170 [ 5856.893929][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5856.893933][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5856.893940][ C2] ksys_write+0x183/0x1d0 [ 5856.893944][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5856.893947][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5856.893955][ C2] do_syscall_64+0xc1/0x380 [ 5856.893960][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5856.893964][ C2] RIP: 0033:0x7f492fa5f337 [ 5856.893975][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5856.893977][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5856.893980][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5856.893982][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5856.893984][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5856.893986][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5856.893988][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5856.893995][ C2] [ 5884.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3394s! [mptcp_connect:16967] [ 5884.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5884.512935][ C2] irq event stamp: 66996 [ 5884.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5884.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5884.512957][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5884.512965][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5884.512974][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5884.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 5884.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5884.512985][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5884.512991][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5884.512994][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5884.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5884.513000][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5884.513002][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5884.513004][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5884.513006][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5884.513009][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5884.513012][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5884.513016][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5884.513018][ C2] PKRU: 55555554 [ 5884.513019][ C2] Call Trace: [ 5884.513023][ C2] [ 5884.513027][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5884.513035][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5884.513042][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5884.513045][ C2] ? lock_acquire+0x10c/0x170 [ 5884.513051][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5884.513056][ C2] mptcp_try_fallback+0x14b/0x360 [ 5884.513061][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5884.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5884.513071][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5884.513074][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5884.513079][ C2] __mptcp_retrans+0x42a/0x960 [ 5884.513085][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5884.513090][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5884.513100][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5884.513108][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5884.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5884.513114][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5884.513117][ C2] ? lock_acquire+0x10c/0x170 [ 5884.513120][ C2] ? release_sock+0x1f/0x1d0 [ 5884.513128][ C2] release_sock+0x17f/0x1d0 [ 5884.513132][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5884.513141][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5884.513144][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5884.513148][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5884.513156][ C2] ? find_held_lock+0x2b/0x80 [ 5884.513160][ C2] sock_write_iter+0x3c1/0x520 [ 5884.513168][ C2] ? __up_write+0x1ad/0x530 [ 5884.513174][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5884.513182][ C2] ? ksys_write+0xf7/0x1d0 [ 5884.513190][ C2] vfs_write+0xc0c/0x1210 [ 5884.513194][ C2] ? ksys_write+0x137/0x1d0 [ 5884.513197][ C2] ? __lock_release+0x5d/0x170 [ 5884.513201][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5884.513205][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5884.513213][ C2] ksys_write+0x183/0x1d0 [ 5884.513216][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5884.513219][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5884.513228][ C2] do_syscall_64+0xc1/0x380 [ 5884.513233][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5884.513238][ C2] RIP: 0033:0x7f492fa5f337 [ 5884.513247][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5884.513249][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5884.513252][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5884.513255][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5884.513257][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5884.513259][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5884.513261][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5884.513267][ C2] [ 5912.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3420s! [mptcp_connect:16967] [ 5912.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5912.512934][ C2] irq event stamp: 66996 [ 5912.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5912.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5912.512951][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5912.512957][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5912.512965][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5912.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 5912.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5912.512974][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5912.512979][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5912.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5912.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5912.512988][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5912.512990][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5912.512992][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5912.512994][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5912.512996][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5912.512999][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5912.513003][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5912.513005][ C2] PKRU: 55555554 [ 5912.513007][ C2] Call Trace: [ 5912.513011][ C2] [ 5912.513015][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5912.513023][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5912.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5912.513031][ C2] ? lock_acquire+0x10c/0x170 [ 5912.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5912.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 5912.513045][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5912.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5912.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5912.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5912.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 5912.513068][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5912.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5912.513081][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5912.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5912.513091][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5912.513094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5912.513097][ C2] ? lock_acquire+0x10c/0x170 [ 5912.513100][ C2] ? release_sock+0x1f/0x1d0 [ 5912.513107][ C2] release_sock+0x17f/0x1d0 [ 5912.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5912.513120][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5912.513123][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5912.513127][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5912.513133][ C2] ? find_held_lock+0x2b/0x80 [ 5912.513138][ C2] sock_write_iter+0x3c1/0x520 [ 5912.513143][ C2] ? __up_write+0x1ad/0x530 [ 5912.513148][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5912.513155][ C2] ? ksys_write+0xf7/0x1d0 [ 5912.513162][ C2] vfs_write+0xc0c/0x1210 [ 5912.513166][ C2] ? ksys_write+0x137/0x1d0 [ 5912.513168][ C2] ? __lock_release+0x5d/0x170 [ 5912.513172][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5912.513176][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5912.513184][ C2] ksys_write+0x183/0x1d0 [ 5912.513187][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5912.513190][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5912.513197][ C2] do_syscall_64+0xc1/0x380 [ 5912.513202][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5912.513206][ C2] RIP: 0033:0x7f492fa5f337 [ 5912.513215][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5912.513217][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5912.513220][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5912.513222][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5912.513224][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5912.513226][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5912.513228][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5912.513234][ C2] [ 5934.897476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5934.897975][ C2] rcu: 2-....: (3688838 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1210679 [ 5934.898402][ C2] rcu: (t=3692234 jiffies g=1296501 q=65834 ncpus=4) [ 5934.898656][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5934.898662][ C2] Tainted: [L]=SOFTLOCKUP [ 5934.898664][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5934.898666][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5934.898676][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5934.898680][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5934.898684][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5934.898686][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5934.898688][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5934.898690][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5934.898692][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5934.898694][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5934.898697][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5934.898701][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5934.898703][ C2] PKRU: 55555554 [ 5934.898704][ C2] Call Trace: [ 5934.898706][ C2] [ 5934.898708][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5934.898716][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5934.898721][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5934.898724][ C2] ? lock_acquire+0x10c/0x170 [ 5934.898729][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5934.898736][ C2] mptcp_try_fallback+0x14b/0x360 [ 5934.898739][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5934.898746][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5934.898748][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5934.898751][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5934.898756][ C2] __mptcp_retrans+0x42a/0x960 [ 5934.898762][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5934.898767][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5934.898774][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5934.898781][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5934.898784][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5934.898788][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5934.898790][ C2] ? lock_acquire+0x10c/0x170 [ 5934.898793][ C2] ? release_sock+0x1f/0x1d0 [ 5934.898800][ C2] release_sock+0x17f/0x1d0 [ 5934.898803][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5934.898810][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5934.898814][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5934.898819][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5934.898824][ C2] ? find_held_lock+0x2b/0x80 [ 5934.898829][ C2] sock_write_iter+0x3c1/0x520 [ 5934.898833][ C2] ? __up_write+0x1ad/0x530 [ 5934.898838][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5934.898845][ C2] ? ksys_write+0xf7/0x1d0 [ 5934.898852][ C2] vfs_write+0xc0c/0x1210 [ 5934.898855][ C2] ? ksys_write+0x137/0x1d0 [ 5934.898857][ C2] ? __lock_release+0x5d/0x170 [ 5934.898861][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5934.898865][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5934.898872][ C2] ksys_write+0x183/0x1d0 [ 5934.898876][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5934.898878][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5934.898886][ C2] do_syscall_64+0xc1/0x380 [ 5934.898890][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5934.898893][ C2] RIP: 0033:0x7f492fa5f337 [ 5934.898903][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5934.898904][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5934.898908][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5934.898910][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5934.898912][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5934.898914][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5934.898916][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5934.898922][ C2] [ 5944.752490][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3672057 jiffies s: 68497 root: 0x4/. [ 5944.752954][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5944.753234][ T17] Sending NMI from CPU 1 to CPUs 2: [ 5944.753404][ C2] NMI backtrace for cpu 2 [ 5944.753414][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5944.753420][ C2] Tainted: [L]=SOFTLOCKUP [ 5944.753421][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5944.753424][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5944.753434][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 5944.753438][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5944.753441][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 5944.753444][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5944.753446][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5944.753448][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5944.753451][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 5944.753452][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5944.753455][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5944.753459][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5944.753461][ C2] PKRU: 55555554 [ 5944.753462][ C2] Call Trace: [ 5944.753465][ C2] [ 5944.753467][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5944.753480][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5944.753489][ C2] __common_interrupt+0xad/0x1d0 [ 5944.753498][ C2] common_interrupt+0xb9/0xe0 [ 5944.753504][ C2] [ 5944.753506][ C2] [ 5944.753508][ C2] asm_common_interrupt+0x26/0x40 [ 5944.753512][ C2] RIP: 0010:kasan_check_range+0x10f/0x1c0 [ 5944.753520][ C2] Code: 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff 5b b8 01 00 00 00 5d 41 5c 3c fa 1a 02 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c 48 83 [ 5944.753522][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 5944.753525][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5944.753526][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5944.753528][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5944.753530][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5944.753532][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5944.753536][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5944.753543][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5944.753548][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5944.753555][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5944.753560][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5944.753562][ C2] ? lock_acquire+0x10c/0x170 [ 5944.753566][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5944.753573][ C2] mptcp_try_fallback+0x14b/0x360 [ 5944.753577][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5944.753584][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5944.753587][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5944.753590][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5944.753595][ C2] __mptcp_retrans+0x42a/0x960 [ 5944.753601][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5944.753606][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5944.753613][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5944.753620][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5944.753623][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5944.753626][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5944.753629][ C2] ? lock_acquire+0x10c/0x170 [ 5944.753632][ C2] ? release_sock+0x1f/0x1d0 [ 5944.753638][ C2] release_sock+0x17f/0x1d0 [ 5944.753642][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5944.753649][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5944.753653][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5944.753657][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5944.753663][ C2] ? find_held_lock+0x2b/0x80 [ 5944.753667][ C2] sock_write_iter+0x3c1/0x520 [ 5944.753672][ C2] ? __up_write+0x1ad/0x530 [ 5944.753677][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5944.753683][ C2] ? ksys_write+0xf7/0x1d0 [ 5944.753690][ C2] vfs_write+0xc0c/0x1210 [ 5944.753694][ C2] ? ksys_write+0x137/0x1d0 [ 5944.753696][ C2] ? __lock_release+0x5d/0x170 [ 5944.753700][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5944.753704][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5944.753711][ C2] ksys_write+0x183/0x1d0 [ 5944.753715][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5944.753717][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5944.753724][ C2] do_syscall_64+0xc1/0x380 [ 5944.753728][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5944.753731][ C2] RIP: 0033:0x7f492fa5f337 [ 5944.753739][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5944.753741][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5944.753744][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5944.753746][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5944.753748][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5944.753750][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5944.753752][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5944.753757][ C2] [ 5972.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3476s! [mptcp_connect:16967] [ 5972.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 5972.512935][ C2] irq event stamp: 66996 [ 5972.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5972.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5972.512951][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 5972.512958][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 5972.512966][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5972.512971][ C2] Tainted: [L]=SOFTLOCKUP [ 5972.512973][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5972.512975][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5972.512981][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5972.512984][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 5972.512987][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 5972.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 5972.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 5972.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 5972.512995][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 5972.512997][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 5972.513000][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5972.513004][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 5972.513007][ C2] PKRU: 55555554 [ 5972.513008][ C2] Call Trace: [ 5972.513011][ C2] [ 5972.513016][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5972.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5972.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5972.513033][ C2] ? lock_acquire+0x10c/0x170 [ 5972.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5972.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 5972.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5972.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5972.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5972.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5972.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 5972.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5972.513075][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5972.513082][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5972.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5972.513092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5972.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5972.513098][ C2] ? lock_acquire+0x10c/0x170 [ 5972.513101][ C2] ? release_sock+0x1f/0x1d0 [ 5972.513107][ C2] release_sock+0x17f/0x1d0 [ 5972.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5972.513119][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5972.513122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5972.513126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5972.513132][ C2] ? find_held_lock+0x2b/0x80 [ 5972.513136][ C2] sock_write_iter+0x3c1/0x520 [ 5972.513142][ C2] ? __up_write+0x1ad/0x530 [ 5972.513146][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5972.513153][ C2] ? ksys_write+0xf7/0x1d0 [ 5972.513160][ C2] vfs_write+0xc0c/0x1210 [ 5972.513164][ C2] ? ksys_write+0x137/0x1d0 [ 5972.513166][ C2] ? __lock_release+0x5d/0x170 [ 5972.513170][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5972.513174][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5972.513182][ C2] ksys_write+0x183/0x1d0 [ 5972.513185][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5972.513188][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5972.513195][ C2] do_syscall_64+0xc1/0x380 [ 5972.513199][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5972.513204][ C2] RIP: 0033:0x7f492fa5f337 [ 5972.513213][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 5972.513215][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5972.513218][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 5972.513220][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 5972.513222][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 5972.513224][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 5972.513226][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 5972.513232][ C2] [ 6000.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3502s! [mptcp_connect:16967] [ 6000.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6000.512934][ C2] irq event stamp: 66996 [ 6000.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6000.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6000.512951][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6000.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6000.512965][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6000.512971][ C2] Tainted: [L]=SOFTLOCKUP [ 6000.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6000.512975][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6000.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6000.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6000.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6000.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6000.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6000.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6000.512995][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6000.512997][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6000.513000][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6000.513004][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6000.513006][ C2] PKRU: 55555554 [ 6000.513007][ C2] Call Trace: [ 6000.513011][ C2] [ 6000.513015][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6000.513023][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6000.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6000.513033][ C2] ? lock_acquire+0x10c/0x170 [ 6000.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6000.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 6000.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6000.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6000.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6000.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6000.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 6000.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6000.513075][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6000.513082][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6000.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6000.513092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6000.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6000.513098][ C2] ? lock_acquire+0x10c/0x170 [ 6000.513101][ C2] ? release_sock+0x1f/0x1d0 [ 6000.513107][ C2] release_sock+0x17f/0x1d0 [ 6000.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6000.513119][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6000.513122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6000.513127][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6000.513133][ C2] ? find_held_lock+0x2b/0x80 [ 6000.513137][ C2] sock_write_iter+0x3c1/0x520 [ 6000.513142][ C2] ? __up_write+0x1ad/0x530 [ 6000.513147][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6000.513153][ C2] ? ksys_write+0xf7/0x1d0 [ 6000.513160][ C2] vfs_write+0xc0c/0x1210 [ 6000.513164][ C2] ? ksys_write+0x137/0x1d0 [ 6000.513167][ C2] ? __lock_release+0x5d/0x170 [ 6000.513171][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6000.513175][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6000.513182][ C2] ksys_write+0x183/0x1d0 [ 6000.513186][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6000.513188][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6000.513195][ C2] do_syscall_64+0xc1/0x380 [ 6000.513200][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6000.513204][ C2] RIP: 0033:0x7f492fa5f337 [ 6000.513213][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6000.513215][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6000.513218][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6000.513220][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6000.513223][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6000.513225][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6000.513227][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6000.513233][ C2] [ 6012.902477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6012.902819][ C2] rcu: 2-....: (3766772 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1239357 [ 6012.903246][ C2] rcu: (t=3770239 jiffies g=1296501 q=67263 ncpus=4) [ 6012.903615][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6012.903622][ C2] Tainted: [L]=SOFTLOCKUP [ 6012.903623][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6012.903626][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6012.903636][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6012.903639][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6012.903643][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6012.903645][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6012.903647][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6012.903649][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6012.903651][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6012.903653][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6012.903656][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6012.903660][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6012.903662][ C2] PKRU: 55555554 [ 6012.903663][ C2] Call Trace: [ 6012.903664][ C2] [ 6012.903667][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6012.903675][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6012.903679][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6012.903682][ C2] ? lock_acquire+0x10c/0x170 [ 6012.903686][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6012.903693][ C2] mptcp_try_fallback+0x14b/0x360 [ 6012.903697][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6012.903703][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6012.903706][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6012.903709][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6012.903714][ C2] __mptcp_retrans+0x42a/0x960 [ 6012.903719][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6012.903725][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6012.903732][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6012.903739][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6012.903742][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6012.903745][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6012.903748][ C2] ? lock_acquire+0x10c/0x170 [ 6012.903751][ C2] ? release_sock+0x1f/0x1d0 [ 6012.903757][ C2] release_sock+0x17f/0x1d0 [ 6012.903761][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6012.903768][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6012.903772][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6012.903776][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6012.903782][ C2] ? find_held_lock+0x2b/0x80 [ 6012.903786][ C2] sock_write_iter+0x3c1/0x520 [ 6012.903791][ C2] ? __up_write+0x1ad/0x530 [ 6012.903796][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6012.903802][ C2] ? ksys_write+0xf7/0x1d0 [ 6012.903810][ C2] vfs_write+0xc0c/0x1210 [ 6012.903813][ C2] ? ksys_write+0x137/0x1d0 [ 6012.903816][ C2] ? __lock_release+0x5d/0x170 [ 6012.903819][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6012.903823][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6012.903831][ C2] ksys_write+0x183/0x1d0 [ 6012.903834][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6012.903837][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6012.903844][ C2] do_syscall_64+0xc1/0x380 [ 6012.903848][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6012.903851][ C2] RIP: 0033:0x7f492fa5f337 [ 6012.903860][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6012.903862][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6012.903866][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6012.903868][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6012.903870][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6012.903872][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6012.903874][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6012.903880][ C2] [ 6040.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3539s! [mptcp_connect:16967] [ 6040.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6040.512935][ C2] irq event stamp: 66996 [ 6040.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6040.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6040.512951][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6040.512957][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6040.512965][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6040.512971][ C2] Tainted: [L]=SOFTLOCKUP [ 6040.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6040.512975][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6040.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6040.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6040.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6040.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6040.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6040.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6040.512995][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6040.512997][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6040.513000][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6040.513004][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6040.513006][ C2] PKRU: 55555554 [ 6040.513007][ C2] Call Trace: [ 6040.513011][ C2] [ 6040.513015][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6040.513023][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6040.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6040.513033][ C2] ? lock_acquire+0x10c/0x170 [ 6040.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6040.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 6040.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6040.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6040.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6040.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6040.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 6040.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6040.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6040.513081][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6040.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6040.513092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6040.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6040.513098][ C2] ? lock_acquire+0x10c/0x170 [ 6040.513101][ C2] ? release_sock+0x1f/0x1d0 [ 6040.513107][ C2] release_sock+0x17f/0x1d0 [ 6040.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6040.513119][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6040.513123][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6040.513127][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6040.513133][ C2] ? find_held_lock+0x2b/0x80 [ 6040.513137][ C2] sock_write_iter+0x3c1/0x520 [ 6040.513142][ C2] ? __up_write+0x1ad/0x530 [ 6040.513147][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6040.513154][ C2] ? ksys_write+0xf7/0x1d0 [ 6040.513161][ C2] vfs_write+0xc0c/0x1210 [ 6040.513165][ C2] ? ksys_write+0x137/0x1d0 [ 6040.513167][ C2] ? __lock_release+0x5d/0x170 [ 6040.513171][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6040.513175][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6040.513183][ C2] ksys_write+0x183/0x1d0 [ 6040.513187][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6040.513189][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6040.513196][ C2] do_syscall_64+0xc1/0x380 [ 6040.513201][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6040.513206][ C2] RIP: 0033:0x7f492fa5f337 [ 6040.513214][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6040.513216][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6040.513220][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6040.513222][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6040.513224][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6040.513226][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6040.513228][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6040.513234][ C2] [ 6043.056492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3770361 jiffies s: 68497 root: 0x4/. [ 6043.057045][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6043.057245][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6043.057407][ C2] NMI backtrace for cpu 2 [ 6043.057419][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6043.057426][ C2] Tainted: [L]=SOFTLOCKUP [ 6043.057427][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6043.057430][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 6043.057439][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 6043.057442][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 6043.057446][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 6043.057449][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 6043.057451][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 6043.057453][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 6043.057455][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 6043.057457][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6043.057460][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6043.057464][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6043.057466][ C2] PKRU: 55555554 [ 6043.057467][ C2] Call Trace: [ 6043.057473][ C2] [ 6043.057474][ C2] ioapic_ack_level+0xcf/0x3d0 [ 6043.057484][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 6043.057492][ C2] __common_interrupt+0xad/0x1d0 [ 6043.057498][ C2] common_interrupt+0xb9/0xe0 [ 6043.057504][ C2] [ 6043.057505][ C2] [ 6043.057507][ C2] asm_common_interrupt+0x26/0x40 [ 6043.057512][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6043.057517][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6043.057520][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6043.057522][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6043.057524][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6043.057526][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6043.057528][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6043.057530][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6043.057534][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 6043.057541][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6043.057548][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6043.057552][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6043.057555][ C2] ? lock_acquire+0x10c/0x170 [ 6043.057558][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6043.057565][ C2] mptcp_try_fallback+0x14b/0x360 [ 6043.057570][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6043.057576][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6043.057579][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6043.057582][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6043.057587][ C2] __mptcp_retrans+0x42a/0x960 [ 6043.057593][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6043.057598][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6043.057605][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6043.057612][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6043.057615][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6043.057618][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6043.057621][ C2] ? lock_acquire+0x10c/0x170 [ 6043.057624][ C2] ? release_sock+0x1f/0x1d0 [ 6043.057631][ C2] release_sock+0x17f/0x1d0 [ 6043.057635][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6043.057642][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6043.057646][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6043.057650][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6043.057656][ C2] ? find_held_lock+0x2b/0x80 [ 6043.057660][ C2] sock_write_iter+0x3c1/0x520 [ 6043.057666][ C2] ? __up_write+0x1ad/0x530 [ 6043.057671][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6043.057677][ C2] ? ksys_write+0xf7/0x1d0 [ 6043.057684][ C2] vfs_write+0xc0c/0x1210 [ 6043.057688][ C2] ? ksys_write+0x137/0x1d0 [ 6043.057690][ C2] ? __lock_release+0x5d/0x170 [ 6043.057694][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6043.057698][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6043.057705][ C2] ksys_write+0x183/0x1d0 [ 6043.057709][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6043.057711][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6043.057718][ C2] do_syscall_64+0xc1/0x380 [ 6043.057721][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6043.057724][ C2] RIP: 0033:0x7f492fa5f337 [ 6043.057733][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6043.057735][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6043.057738][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6043.057740][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6043.057743][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6043.057745][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6043.057747][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6043.057753][ C2] [ 6068.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3565s! [mptcp_connect:16967] [ 6068.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6068.512933][ C2] irq event stamp: 66996 [ 6068.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6068.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6068.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6068.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6068.512963][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6068.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 6068.512970][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6068.512973][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 6068.512977][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 6068.512981][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6068.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6068.512986][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6068.512988][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6068.512990][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6068.512992][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6068.512994][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6068.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6068.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6068.513003][ C2] PKRU: 55555554 [ 6068.513004][ C2] Call Trace: [ 6068.513008][ C2] [ 6068.513012][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6068.513020][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6068.513025][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6068.513028][ C2] ? lock_acquire+0x10c/0x170 [ 6068.513032][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6068.513036][ C2] mptcp_try_fallback+0x14b/0x360 [ 6068.513041][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6068.513047][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6068.513050][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6068.513053][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6068.513058][ C2] __mptcp_retrans+0x42a/0x960 [ 6068.513063][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6068.513069][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6068.513076][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6068.513083][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6068.513086][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6068.513089][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6068.513092][ C2] ? lock_acquire+0x10c/0x170 [ 6068.513095][ C2] ? release_sock+0x1f/0x1d0 [ 6068.513101][ C2] release_sock+0x17f/0x1d0 [ 6068.513105][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6068.513112][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6068.513116][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6068.513120][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6068.513125][ C2] ? find_held_lock+0x2b/0x80 [ 6068.513129][ C2] sock_write_iter+0x3c1/0x520 [ 6068.513134][ C2] ? __up_write+0x1ad/0x530 [ 6068.513139][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6068.513146][ C2] ? ksys_write+0xf7/0x1d0 [ 6068.513152][ C2] vfs_write+0xc0c/0x1210 [ 6068.513156][ C2] ? ksys_write+0x137/0x1d0 [ 6068.513159][ C2] ? __lock_release+0x5d/0x170 [ 6068.513163][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6068.513166][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6068.513174][ C2] ksys_write+0x183/0x1d0 [ 6068.513177][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6068.513180][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6068.513187][ C2] do_syscall_64+0xc1/0x380 [ 6068.513191][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6068.513195][ C2] RIP: 0033:0x7f492fa5f337 [ 6068.513204][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6068.513205][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6068.513209][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6068.513211][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6068.513213][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6068.513215][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6068.513217][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6068.513223][ C2] [ 6090.907475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6090.907942][ C2] rcu: 2-....: (3844707 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1267430 [ 6090.908359][ C2] rcu: (t=3848244 jiffies g=1296501 q=68689 ncpus=4) [ 6090.908610][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6090.908616][ C2] Tainted: [L]=SOFTLOCKUP [ 6090.908617][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6090.908620][ C2] RIP: 0010:kasan_check_range+0x16/0x1c0 [ 6090.908629][ C2] Code: 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 <48> 01 f0 55 53 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe [ 6090.908632][ C2] RSP: 0018:ffffc9000028f5c0 EFLAGS: 00000202 [ 6090.908636][ C2] RAX: ffff88800bf86b30 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6090.908638][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6090.908640][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6090.908642][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6090.908644][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6090.908646][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6090.908648][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6090.908652][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6090.908654][ C2] PKRU: 55555554 [ 6090.908656][ C2] Call Trace: [ 6090.908657][ C2] [ 6090.908659][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6090.908667][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6090.908674][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6090.908678][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6090.908681][ C2] ? lock_acquire+0x10c/0x170 [ 6090.908685][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6090.908691][ C2] mptcp_try_fallback+0x14b/0x360 [ 6090.908695][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6090.908701][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6090.908704][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6090.908707][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6090.908712][ C2] __mptcp_retrans+0x42a/0x960 [ 6090.908717][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6090.908723][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6090.908730][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6090.908737][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6090.908739][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6090.908743][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6090.908745][ C2] ? lock_acquire+0x10c/0x170 [ 6090.908748][ C2] ? release_sock+0x1f/0x1d0 [ 6090.908754][ C2] release_sock+0x17f/0x1d0 [ 6090.908757][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6090.908765][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6090.908769][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6090.908773][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6090.908779][ C2] ? find_held_lock+0x2b/0x80 [ 6090.908783][ C2] sock_write_iter+0x3c1/0x520 [ 6090.908788][ C2] ? __up_write+0x1ad/0x530 [ 6090.908792][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6090.908799][ C2] ? ksys_write+0xf7/0x1d0 [ 6090.908805][ C2] vfs_write+0xc0c/0x1210 [ 6090.908809][ C2] ? ksys_write+0x137/0x1d0 [ 6090.908811][ C2] ? __lock_release+0x5d/0x170 [ 6090.908815][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6090.908819][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6090.908826][ C2] ksys_write+0x183/0x1d0 [ 6090.908829][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6090.908832][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6090.908838][ C2] do_syscall_64+0xc1/0x380 [ 6090.908843][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6090.908846][ C2] RIP: 0033:0x7f492fa5f337 [ 6090.908854][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6090.908856][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6090.908859][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6090.908861][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6090.908863][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6090.908865][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6090.908867][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6090.908872][ C2] [ 6116.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3610s! [mptcp_connect:16967] [ 6116.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6116.512933][ C2] irq event stamp: 66996 [ 6116.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6116.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6116.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6116.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6116.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6116.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 6116.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6116.512972][ C2] RIP: 0010:kasan_check_range+0x106/0x1c0 [ 6116.512978][ C2] Code: 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff <5b> b8 01 00 00 00 5d 41 5c e9 3c fa 1a 02 41 bc 08 00 00 00 45 29 [ 6116.512981][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 6116.512984][ C2] RAX: ffffed10017f0d67 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 6116.512987][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6116.512989][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6116.512991][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6116.512992][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6116.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6116.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6116.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6116.513003][ C2] PKRU: 55555554 [ 6116.513004][ C2] Call Trace: [ 6116.513008][ C2] [ 6116.513011][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6116.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6116.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6116.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6116.513033][ C2] ? lock_acquire+0x10c/0x170 [ 6116.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6116.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 6116.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6116.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6116.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6116.513059][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6116.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 6116.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6116.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6116.513081][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6116.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6116.513091][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6116.513094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6116.513097][ C2] ? lock_acquire+0x10c/0x170 [ 6116.513100][ C2] ? release_sock+0x1f/0x1d0 [ 6116.513106][ C2] release_sock+0x17f/0x1d0 [ 6116.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6116.513118][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6116.513122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6116.513126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6116.513131][ C2] ? find_held_lock+0x2b/0x80 [ 6116.513135][ C2] sock_write_iter+0x3c1/0x520 [ 6116.513141][ C2] ? __up_write+0x1ad/0x530 [ 6116.513145][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6116.513152][ C2] ? ksys_write+0xf7/0x1d0 [ 6116.513158][ C2] vfs_write+0xc0c/0x1210 [ 6116.513162][ C2] ? ksys_write+0x137/0x1d0 [ 6116.513164][ C2] ? __lock_release+0x5d/0x170 [ 6116.513168][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6116.513172][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6116.513179][ C2] ksys_write+0x183/0x1d0 [ 6116.513183][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6116.513185][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6116.513192][ C2] do_syscall_64+0xc1/0x380 [ 6116.513196][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6116.513201][ C2] RIP: 0033:0x7f492fa5f337 [ 6116.513209][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6116.513211][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6116.513214][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6116.513216][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6116.513218][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6116.513220][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6116.513222][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6116.513228][ C2] [ 6141.359635][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3868664 jiffies s: 68497 root: 0x4/. [ 6141.360346][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6141.360567][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6141.360740][ C2] NMI backtrace for cpu 2 [ 6141.360750][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6141.360756][ C2] Tainted: [L]=SOFTLOCKUP [ 6141.360758][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6141.360760][ C2] RIP: 0010:vm_interrupt+0x54/0x160 [ 6141.360782][ C2] Code: 89 f3 48 c1 ea 03 48 83 ec 08 80 3c 02 00 0f 85 fc 00 00 00 48 8b 83 28 05 00 00 44 8b 68 60 48 8b 83 28 05 00 00 44 89 68 64 <45> 89 ec 41 83 e4 02 0f 85 b5 00 00 00 41 83 e5 01 0f 84 95 00 00 [ 6141.360786][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [ 6141.360789][ C2] RAX: ffffc9000002ec00 RBX: ffff88800626b800 RCX: ffffffffa4623c21 [ 6141.360792][ C2] RDX: 1ffff11000c4d7a5 RSI: ffff88800626b800 RDI: ffff88800626bd28 [ 6141.360794][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff514a2fa [ 6141.360796][ C2] R10: ffffffffa8a517d7 R11: ffffc90000218ff8 R12: ffff888002126400 [ 6141.360798][ C2] R13: 0000000000000001 R14: ffffffffa56624b0 R15: ffff888006230b00 [ 6141.360800][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6141.360802][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6141.360806][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6141.360808][ C2] PKRU: 55555554 [ 6141.360809][ C2] Call Trace: [ 6141.360813][ C2] [ 6141.360814][ C2] ? rcu_is_watching+0x12/0xc0 [ 6141.360826][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 6141.360830][ C2] __handle_irq_event_percpu+0x190/0x310 [ 6141.360837][ C2] handle_irq_event+0xaa/0x1c0 [ 6141.360840][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 6141.360846][ C2] __common_interrupt+0xad/0x1d0 [ 6141.360852][ C2] common_interrupt+0xb9/0xe0 [ 6141.360857][ C2] [ 6141.360859][ C2] [ 6141.360861][ C2] asm_common_interrupt+0x26/0x40 [ 6141.360866][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6141.360871][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6141.360874][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6141.360876][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6141.360878][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6141.360881][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6141.360882][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6141.360884][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6141.360889][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 6141.360895][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6141.360902][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6141.360906][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6141.360909][ C2] ? lock_acquire+0x10c/0x170 [ 6141.360913][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6141.360920][ C2] mptcp_try_fallback+0x14b/0x360 [ 6141.360924][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6141.360930][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6141.360933][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6141.360935][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6141.360940][ C2] __mptcp_retrans+0x42a/0x960 [ 6141.360946][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6141.360951][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6141.360958][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6141.360965][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6141.360968][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6141.360971][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6141.360974][ C2] ? lock_acquire+0x10c/0x170 [ 6141.360977][ C2] ? release_sock+0x1f/0x1d0 [ 6141.360983][ C2] release_sock+0x17f/0x1d0 [ 6141.360987][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6141.360994][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6141.360998][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6141.361002][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6141.361007][ C2] ? find_held_lock+0x2b/0x80 [ 6141.361011][ C2] sock_write_iter+0x3c1/0x520 [ 6141.361016][ C2] ? __up_write+0x1ad/0x530 [ 6141.361021][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6141.361027][ C2] ? ksys_write+0xf7/0x1d0 [ 6141.361034][ C2] vfs_write+0xc0c/0x1210 [ 6141.361038][ C2] ? ksys_write+0x137/0x1d0 [ 6141.361040][ C2] ? __lock_release+0x5d/0x170 [ 6141.361044][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6141.361048][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6141.361054][ C2] ksys_write+0x183/0x1d0 [ 6141.361058][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6141.361061][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6141.361067][ C2] do_syscall_64+0xc1/0x380 [ 6141.361071][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6141.361074][ C2] RIP: 0033:0x7f492fa5f337 [ 6141.361082][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6141.361084][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6141.361087][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6141.361089][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6141.361091][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6141.361093][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6141.361095][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6141.361100][ C2] [ 6168.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3658s! [mptcp_connect:16967] [ 6168.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6168.512930][ C2] irq event stamp: 66996 [ 6168.512932][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6168.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6168.512948][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6168.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6168.512961][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6168.512967][ C2] Tainted: [L]=SOFTLOCKUP [ 6168.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6168.512971][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 6168.512976][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 6168.512979][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6168.512982][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6168.512985][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6168.512987][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6168.512989][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6168.512991][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6168.512993][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6168.512995][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6168.512999][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6168.513001][ C2] PKRU: 55555554 [ 6168.513003][ C2] Call Trace: [ 6168.513006][ C2] [ 6168.513010][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6168.513018][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6168.513023][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6168.513026][ C2] ? lock_acquire+0x10c/0x170 [ 6168.513030][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6168.513035][ C2] mptcp_try_fallback+0x14b/0x360 [ 6168.513039][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6168.513045][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6168.513048][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6168.513051][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6168.513056][ C2] __mptcp_retrans+0x42a/0x960 [ 6168.513061][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6168.513067][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6168.513074][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6168.513081][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6168.513084][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6168.513087][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6168.513090][ C2] ? lock_acquire+0x10c/0x170 [ 6168.513093][ C2] ? release_sock+0x1f/0x1d0 [ 6168.513099][ C2] release_sock+0x17f/0x1d0 [ 6168.513103][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6168.513111][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6168.513114][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6168.513118][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6168.513124][ C2] ? find_held_lock+0x2b/0x80 [ 6168.513128][ C2] sock_write_iter+0x3c1/0x520 [ 6168.513134][ C2] ? __up_write+0x1ad/0x530 [ 6168.513139][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6168.513145][ C2] ? ksys_write+0xf7/0x1d0 [ 6168.513152][ C2] vfs_write+0xc0c/0x1210 [ 6168.513156][ C2] ? ksys_write+0x137/0x1d0 [ 6168.513159][ C2] ? __lock_release+0x5d/0x170 [ 6168.513163][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6168.513167][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6168.513174][ C2] ksys_write+0x183/0x1d0 [ 6168.513177][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6168.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6168.513186][ C2] do_syscall_64+0xc1/0x380 [ 6168.513191][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6168.513195][ C2] RIP: 0033:0x7f492fa5f337 [ 6168.513203][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6168.513205][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6168.513208][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6168.513210][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6168.513212][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6168.513214][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6168.513216][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6168.513222][ C2] [ 6168.912475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6168.912876][ C2] rcu: 2-....: (3922636 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1296350 [ 6168.913281][ C2] rcu: (t=3926249 jiffies g=1296501 q=70136 ncpus=4) [ 6168.913708][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6168.913713][ C2] Tainted: [L]=SOFTLOCKUP [ 6168.913715][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6168.913717][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6168.913725][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6168.913728][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6168.913731][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6168.913733][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6168.913735][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6168.913737][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6168.913739][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6168.913741][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6168.913744][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6168.913747][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6168.913750][ C2] PKRU: 55555554 [ 6168.913751][ C2] Call Trace: [ 6168.913752][ C2] [ 6168.913755][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6168.913762][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6168.913767][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6168.913769][ C2] ? lock_acquire+0x10c/0x170 [ 6168.913774][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6168.913780][ C2] mptcp_try_fallback+0x14b/0x360 [ 6168.913783][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6168.913789][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6168.913792][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6168.913795][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6168.913800][ C2] __mptcp_retrans+0x42a/0x960 [ 6168.913805][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6168.913811][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6168.913817][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6168.913825][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6168.913827][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6168.913830][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6168.913833][ C2] ? lock_acquire+0x10c/0x170 [ 6168.913836][ C2] ? release_sock+0x1f/0x1d0 [ 6168.913841][ C2] release_sock+0x17f/0x1d0 [ 6168.913845][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6168.913852][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6168.913855][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6168.913859][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6168.913865][ C2] ? find_held_lock+0x2b/0x80 [ 6168.913869][ C2] sock_write_iter+0x3c1/0x520 [ 6168.913874][ C2] ? __up_write+0x1ad/0x530 [ 6168.913879][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6168.913885][ C2] ? ksys_write+0xf7/0x1d0 [ 6168.913891][ C2] vfs_write+0xc0c/0x1210 [ 6168.913894][ C2] ? ksys_write+0x137/0x1d0 [ 6168.913897][ C2] ? __lock_release+0x5d/0x170 [ 6168.913901][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6168.913905][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6168.913912][ C2] ksys_write+0x183/0x1d0 [ 6168.913915][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6168.913918][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6168.913925][ C2] do_syscall_64+0xc1/0x380 [ 6168.913929][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6168.913932][ C2] RIP: 0033:0x7f492fa5f337 [ 6168.913938][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6168.913940][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6168.913943][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6168.913945][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6168.913946][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6168.913948][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6168.913950][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6168.913956][ C2] [ 6196.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3684s! [mptcp_connect:16967] [ 6196.512913][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6196.512929][ C2] irq event stamp: 66996 [ 6196.512931][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6196.512940][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6196.512944][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6196.512950][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6196.512957][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6196.512962][ C2] Tainted: [L]=SOFTLOCKUP [ 6196.512964][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6196.512966][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6196.512971][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6196.512975][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6196.512977][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6196.512980][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6196.512982][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6196.512984][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6196.512985][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6196.512988][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6196.512991][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6196.512995][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6196.512997][ C2] PKRU: 55555554 [ 6196.512998][ C2] Call Trace: [ 6196.513000][ C2] [ 6196.513004][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6196.513011][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6196.513017][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6196.513019][ C2] ? lock_acquire+0x10c/0x170 [ 6196.513023][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6196.513028][ C2] mptcp_try_fallback+0x14b/0x360 [ 6196.513032][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6196.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6196.513041][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6196.513044][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6196.513049][ C2] __mptcp_retrans+0x42a/0x960 [ 6196.513055][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6196.513060][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6196.513067][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6196.513074][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6196.513077][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6196.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6196.513083][ C2] ? lock_acquire+0x10c/0x170 [ 6196.513086][ C2] ? release_sock+0x1f/0x1d0 [ 6196.513091][ C2] release_sock+0x17f/0x1d0 [ 6196.513095][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6196.513103][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6196.513107][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6196.513110][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6196.513117][ C2] ? find_held_lock+0x2b/0x80 [ 6196.513121][ C2] sock_write_iter+0x3c1/0x520 [ 6196.513126][ C2] ? __up_write+0x1ad/0x530 [ 6196.513131][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6196.513138][ C2] ? ksys_write+0xf7/0x1d0 [ 6196.513144][ C2] vfs_write+0xc0c/0x1210 [ 6196.513147][ C2] ? ksys_write+0x137/0x1d0 [ 6196.513150][ C2] ? __lock_release+0x5d/0x170 [ 6196.513154][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6196.513157][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6196.513164][ C2] ksys_write+0x183/0x1d0 [ 6196.513168][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6196.513171][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6196.513178][ C2] do_syscall_64+0xc1/0x380 [ 6196.513182][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6196.513186][ C2] RIP: 0033:0x7f492fa5f337 [ 6196.513193][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6196.513194][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6196.513197][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6196.513199][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6196.513201][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6196.513203][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6196.513205][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6196.513211][ C2] [ 6224.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3711s! [mptcp_connect:16967] [ 6224.512913][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6224.512928][ C2] irq event stamp: 66996 [ 6224.512930][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6224.512940][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6224.512944][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6224.512949][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6224.512956][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6224.512961][ C2] Tainted: [L]=SOFTLOCKUP [ 6224.512963][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6224.512965][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 6224.512970][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 6224.512973][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6224.512976][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6224.512978][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6224.512980][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6224.512982][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6224.512985][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6224.512987][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6224.512989][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6224.512993][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6224.512995][ C2] PKRU: 55555554 [ 6224.512997][ C2] Call Trace: [ 6224.513000][ C2] [ 6224.513003][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6224.513011][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6224.513016][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6224.513019][ C2] ? lock_acquire+0x10c/0x170 [ 6224.513023][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6224.513027][ C2] mptcp_try_fallback+0x14b/0x360 [ 6224.513032][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6224.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6224.513041][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6224.513044][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6224.513049][ C2] __mptcp_retrans+0x42a/0x960 [ 6224.513055][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6224.513060][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6224.513067][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6224.513075][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6224.513077][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6224.513081][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6224.513083][ C2] ? lock_acquire+0x10c/0x170 [ 6224.513086][ C2] ? release_sock+0x1f/0x1d0 [ 6224.513093][ C2] release_sock+0x17f/0x1d0 [ 6224.513097][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6224.513104][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6224.513108][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6224.513112][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6224.513118][ C2] ? find_held_lock+0x2b/0x80 [ 6224.513122][ C2] sock_write_iter+0x3c1/0x520 [ 6224.513128][ C2] ? __up_write+0x1ad/0x530 [ 6224.513133][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6224.513139][ C2] ? ksys_write+0xf7/0x1d0 [ 6224.513146][ C2] vfs_write+0xc0c/0x1210 [ 6224.513150][ C2] ? ksys_write+0x137/0x1d0 [ 6224.513152][ C2] ? __lock_release+0x5d/0x170 [ 6224.513156][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6224.513160][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6224.513167][ C2] ksys_write+0x183/0x1d0 [ 6224.513171][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6224.513174][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6224.513181][ C2] do_syscall_64+0xc1/0x380 [ 6224.513185][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6224.513189][ C2] RIP: 0033:0x7f492fa5f337 [ 6224.513196][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6224.513198][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6224.513201][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6224.513203][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6224.513205][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6224.513207][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6224.513209][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6224.513215][ C2] [ 6239.663622][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3966968 jiffies s: 68497 root: 0x4/. [ 6239.664780][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6239.665006][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6239.665248][ C2] NMI backtrace for cpu 2 [ 6239.665256][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6239.665262][ C2] Tainted: [L]=SOFTLOCKUP [ 6239.665264][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6239.665270][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6239.665279][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6239.665282][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6239.665285][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6239.665287][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6239.665290][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6239.665292][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6239.665294][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6239.665296][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6239.665299][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6239.665302][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6239.665304][ C2] PKRU: 55555554 [ 6239.665305][ C2] Call Trace: [ 6239.665308][ C2] [ 6239.665312][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6239.665319][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6239.665324][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6239.665327][ C2] ? lock_acquire+0x10c/0x170 [ 6239.665331][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6239.665337][ C2] mptcp_try_fallback+0x14b/0x360 [ 6239.665342][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6239.665348][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6239.665351][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6239.665354][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6239.665359][ C2] __mptcp_retrans+0x42a/0x960 [ 6239.665365][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6239.665370][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6239.665377][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6239.665385][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6239.665388][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6239.665391][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6239.665394][ C2] ? lock_acquire+0x10c/0x170 [ 6239.665397][ C2] ? release_sock+0x1f/0x1d0 [ 6239.665403][ C2] release_sock+0x17f/0x1d0 [ 6239.665406][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6239.665414][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6239.665418][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6239.665422][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6239.665428][ C2] ? find_held_lock+0x2b/0x80 [ 6239.665432][ C2] sock_write_iter+0x3c1/0x520 [ 6239.665437][ C2] ? __up_write+0x1ad/0x530 [ 6239.665442][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6239.665448][ C2] ? ksys_write+0xf7/0x1d0 [ 6239.665455][ C2] vfs_write+0xc0c/0x1210 [ 6239.665459][ C2] ? ksys_write+0x137/0x1d0 [ 6239.665462][ C2] ? __lock_release+0x5d/0x170 [ 6239.665465][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6239.665469][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6239.665478][ C2] ksys_write+0x183/0x1d0 [ 6239.665481][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6239.665484][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6239.665491][ C2] do_syscall_64+0xc1/0x380 [ 6239.665494][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6239.665499][ C2] RIP: 0033:0x7f492fa5f337 [ 6239.665505][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6239.665507][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6239.665510][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6239.665512][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6239.665514][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6239.665516][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6239.665518][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6239.665524][ C2] [ 6246.916475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6246.916964][ C2] rcu: 2-....: (4000571 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1329269 [ 6246.917498][ C2] rcu: (t=4004254 jiffies g=1296501 q=71481 ncpus=4) [ 6246.917897][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6246.917903][ C2] Tainted: [L]=SOFTLOCKUP [ 6246.917904][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6246.917906][ C2] RIP: 0010:queued_spin_lock_slowpath+0xc7/0x9c0 [ 6246.917914][ C2] Code: ff df 49 01 c6 41 83 c5 03 be 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 84 c0 0f 85 8d 07 00 00 8b 45 00 <89> 44 24 40 85 c0 0f 85 6e 01 00 00 48 89 ef be 04 00 00 00 e8 60 [ 6246.917917][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000246 [ 6246.917920][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6246.917922][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6246.917924][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6246.917926][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6246.917928][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6246.917930][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6246.917933][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6246.917941][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6246.917943][ C2] PKRU: 55555554 [ 6246.917945][ C2] Call Trace: [ 6246.917946][ C2] [ 6246.917948][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6246.917956][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6246.917961][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6246.917963][ C2] ? lock_acquire+0x10c/0x170 [ 6246.917967][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6246.917973][ C2] mptcp_try_fallback+0x14b/0x360 [ 6246.917977][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6246.917983][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6246.917986][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6246.917988][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6246.917993][ C2] __mptcp_retrans+0x42a/0x960 [ 6246.917999][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6246.918004][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6246.918010][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6246.918017][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6246.918020][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6246.918023][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6246.918026][ C2] ? lock_acquire+0x10c/0x170 [ 6246.918029][ C2] ? release_sock+0x1f/0x1d0 [ 6246.918034][ C2] release_sock+0x17f/0x1d0 [ 6246.918038][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6246.918045][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6246.918048][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6246.918053][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6246.918057][ C2] ? find_held_lock+0x2b/0x80 [ 6246.918061][ C2] sock_write_iter+0x3c1/0x520 [ 6246.918065][ C2] ? __up_write+0x1ad/0x530 [ 6246.918069][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6246.918076][ C2] ? ksys_write+0xf7/0x1d0 [ 6246.918081][ C2] vfs_write+0xc0c/0x1210 [ 6246.918084][ C2] ? ksys_write+0x137/0x1d0 [ 6246.918087][ C2] ? __lock_release+0x5d/0x170 [ 6246.918091][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6246.918095][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6246.918102][ C2] ksys_write+0x183/0x1d0 [ 6246.918105][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6246.918108][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6246.918114][ C2] do_syscall_64+0xc1/0x380 [ 6246.918117][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6246.918121][ C2] RIP: 0033:0x7f492fa5f337 [ 6246.918126][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6246.918127][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6246.918130][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6246.918132][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6246.918134][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6246.918136][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6246.918138][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6246.918144][ C2] [ 6272.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3755s! [mptcp_connect:16967] [ 6272.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6272.512928][ C2] irq event stamp: 66996 [ 6272.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6272.512938][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6272.512942][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6272.512947][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6272.512954][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6272.512959][ C2] Tainted: [L]=SOFTLOCKUP [ 6272.512960][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6272.512962][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6272.512967][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6272.512971][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6272.512974][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6272.512976][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6272.512978][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6272.512980][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6272.512982][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6272.512985][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6272.512988][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6272.512991][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6272.512993][ C2] PKRU: 55555554 [ 6272.512995][ C2] Call Trace: [ 6272.512997][ C2] [ 6272.513001][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6272.513009][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6272.513013][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6272.513016][ C2] ? lock_acquire+0x10c/0x170 [ 6272.513020][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6272.513025][ C2] mptcp_try_fallback+0x14b/0x360 [ 6272.513029][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6272.513036][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6272.513039][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6272.513042][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6272.513046][ C2] __mptcp_retrans+0x42a/0x960 [ 6272.513052][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6272.513058][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6272.513064][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6272.513071][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6272.513074][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6272.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6272.513080][ C2] ? lock_acquire+0x10c/0x170 [ 6272.513083][ C2] ? release_sock+0x1f/0x1d0 [ 6272.513089][ C2] release_sock+0x17f/0x1d0 [ 6272.513093][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6272.513100][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6272.513104][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6272.513108][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6272.513113][ C2] ? find_held_lock+0x2b/0x80 [ 6272.513117][ C2] sock_write_iter+0x3c1/0x520 [ 6272.513122][ C2] ? __up_write+0x1ad/0x530 [ 6272.513127][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6272.513134][ C2] ? ksys_write+0xf7/0x1d0 [ 6272.513140][ C2] vfs_write+0xc0c/0x1210 [ 6272.513143][ C2] ? ksys_write+0x137/0x1d0 [ 6272.513146][ C2] ? __lock_release+0x5d/0x170 [ 6272.513150][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6272.513154][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6272.513161][ C2] ksys_write+0x183/0x1d0 [ 6272.513165][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6272.513167][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6272.513174][ C2] do_syscall_64+0xc1/0x380 [ 6272.513177][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6272.513181][ C2] RIP: 0033:0x7f492fa5f337 [ 6272.513187][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6272.513189][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6272.513192][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6272.513194][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6272.513196][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6272.513198][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6272.513200][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6272.513206][ C2] [ 6300.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3781s! [mptcp_connect:16967] [ 6300.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6300.512931][ C2] irq event stamp: 66996 [ 6300.512932][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6300.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6300.512947][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6300.512953][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6300.512960][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6300.512965][ C2] Tainted: [L]=SOFTLOCKUP [ 6300.512968][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6300.512970][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6300.512975][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6300.512979][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6300.512982][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6300.512984][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6300.512987][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6300.512989][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6300.512991][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6300.512993][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6300.512996][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6300.513000][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6300.513002][ C2] PKRU: 55555554 [ 6300.513004][ C2] Call Trace: [ 6300.513007][ C2] [ 6300.513010][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6300.513018][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6300.513024][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6300.513027][ C2] ? lock_acquire+0x10c/0x170 [ 6300.513031][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6300.513036][ C2] mptcp_try_fallback+0x14b/0x360 [ 6300.513040][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6300.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6300.513049][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6300.513052][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6300.513057][ C2] __mptcp_retrans+0x42a/0x960 [ 6300.513063][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6300.513068][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6300.513075][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6300.513083][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6300.513086][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6300.513089][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6300.513092][ C2] ? lock_acquire+0x10c/0x170 [ 6300.513095][ C2] ? release_sock+0x1f/0x1d0 [ 6300.513101][ C2] release_sock+0x17f/0x1d0 [ 6300.513105][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6300.513113][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6300.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6300.513121][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6300.513126][ C2] ? find_held_lock+0x2b/0x80 [ 6300.513131][ C2] sock_write_iter+0x3c1/0x520 [ 6300.513136][ C2] ? __up_write+0x1ad/0x530 [ 6300.513141][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6300.513147][ C2] ? ksys_write+0xf7/0x1d0 [ 6300.513154][ C2] vfs_write+0xc0c/0x1210 [ 6300.513158][ C2] ? ksys_write+0x137/0x1d0 [ 6300.513160][ C2] ? __lock_release+0x5d/0x170 [ 6300.513164][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6300.513168][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6300.513175][ C2] ksys_write+0x183/0x1d0 [ 6300.513179][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6300.513182][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6300.513189][ C2] do_syscall_64+0xc1/0x380 [ 6300.513194][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6300.513198][ C2] RIP: 0033:0x7f492fa5f337 [ 6300.513205][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6300.513207][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6300.513210][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6300.513212][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6300.513214][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6300.513216][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6300.513218][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6300.513224][ C2] [ 6324.921476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6324.921967][ C2] rcu: 2-....: (4078521 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1368198 [ 6324.922503][ C2] rcu: (t=4082259 jiffies g=1296501 q=72504 ncpus=4) [ 6324.922945][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6324.922951][ C2] Tainted: [L]=SOFTLOCKUP [ 6324.922953][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6324.922955][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6324.922965][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6324.922968][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6324.922972][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6324.922974][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6324.922976][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6324.922978][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6324.922980][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6324.922982][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6324.922985][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6324.922988][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6324.922991][ C2] PKRU: 55555554 [ 6324.922992][ C2] Call Trace: [ 6324.922993][ C2] [ 6324.922996][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6324.923004][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6324.923008][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6324.923011][ C2] ? lock_acquire+0x10c/0x170 [ 6324.923015][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6324.923022][ C2] mptcp_try_fallback+0x14b/0x360 [ 6324.923025][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6324.923031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6324.923034][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6324.923037][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6324.923042][ C2] __mptcp_retrans+0x42a/0x960 [ 6324.923047][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6324.923053][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6324.923060][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6324.923067][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6324.923070][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6324.923073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6324.923076][ C2] ? lock_acquire+0x10c/0x170 [ 6324.923079][ C2] ? release_sock+0x1f/0x1d0 [ 6324.923085][ C2] release_sock+0x17f/0x1d0 [ 6324.923088][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6324.923095][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6324.923099][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6324.923103][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6324.923109][ C2] ? find_held_lock+0x2b/0x80 [ 6324.923113][ C2] sock_write_iter+0x3c1/0x520 [ 6324.923118][ C2] ? __up_write+0x1ad/0x530 [ 6324.923123][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6324.923129][ C2] ? ksys_write+0xf7/0x1d0 [ 6324.923136][ C2] vfs_write+0xc0c/0x1210 [ 6324.923139][ C2] ? ksys_write+0x137/0x1d0 [ 6324.923142][ C2] ? __lock_release+0x5d/0x170 [ 6324.923145][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6324.923149][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6324.923156][ C2] ksys_write+0x183/0x1d0 [ 6324.923159][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6324.923162][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6324.923169][ C2] do_syscall_64+0xc1/0x380 [ 6324.923173][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6324.923176][ C2] RIP: 0033:0x7f492fa5f337 [ 6324.923184][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6324.923186][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6324.923189][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6324.923191][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6324.923192][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6324.923194][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6324.923196][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6324.923202][ C2] [ 6337.967612][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4065272 jiffies s: 68497 root: 0x4/. [ 6337.968816][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6337.969052][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6337.969290][ C2] NMI backtrace for cpu 2 [ 6337.969298][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6337.969304][ C2] Tainted: [L]=SOFTLOCKUP [ 6337.969306][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6337.969308][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 6337.969316][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 6337.969319][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 6337.969322][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 6337.969324][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 6337.969326][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 6337.969328][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 6337.969330][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 6337.969333][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6337.969335][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6337.969339][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6337.969341][ C2] PKRU: 55555554 [ 6337.969342][ C2] Call Trace: [ 6337.969344][ C2] [ 6337.969346][ C2] ioapic_ack_level+0xcf/0x3d0 [ 6337.969354][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 6337.969360][ C2] __common_interrupt+0xad/0x1d0 [ 6337.969367][ C2] common_interrupt+0xb9/0xe0 [ 6337.969371][ C2] [ 6337.969373][ C2] [ 6337.969375][ C2] asm_common_interrupt+0x26/0x40 [ 6337.969379][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6337.969384][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6337.969387][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6337.969389][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6337.969391][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6337.969393][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6337.969395][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6337.969397][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6337.969401][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 6337.969407][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6337.969414][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6337.969418][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6337.969420][ C2] ? lock_acquire+0x10c/0x170 [ 6337.969424][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6337.969431][ C2] mptcp_try_fallback+0x14b/0x360 [ 6337.969435][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6337.969441][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6337.969444][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6337.969446][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6337.969451][ C2] __mptcp_retrans+0x42a/0x960 [ 6337.969457][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6337.969462][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6337.969468][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6337.969476][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6337.969479][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6337.969482][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6337.969485][ C2] ? lock_acquire+0x10c/0x170 [ 6337.969488][ C2] ? release_sock+0x1f/0x1d0 [ 6337.969493][ C2] release_sock+0x17f/0x1d0 [ 6337.969497][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6337.969504][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6337.969508][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6337.969511][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6337.969517][ C2] ? find_held_lock+0x2b/0x80 [ 6337.969520][ C2] sock_write_iter+0x3c1/0x520 [ 6337.969526][ C2] ? __up_write+0x1ad/0x530 [ 6337.969530][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6337.969536][ C2] ? ksys_write+0xf7/0x1d0 [ 6337.969543][ C2] vfs_write+0xc0c/0x1210 [ 6337.969547][ C2] ? ksys_write+0x137/0x1d0 [ 6337.969549][ C2] ? __lock_release+0x5d/0x170 [ 6337.969553][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6337.969557][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6337.969563][ C2] ksys_write+0x183/0x1d0 [ 6337.969567][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6337.969569][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6337.969575][ C2] do_syscall_64+0xc1/0x380 [ 6337.969579][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6337.969582][ C2] RIP: 0033:0x7f492fa5f337 [ 6337.969588][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6337.969589][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6337.969593][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6337.969595][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6337.969596][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6337.969599][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6337.969601][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6337.969607][ C2] [ 6364.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3841s! [mptcp_connect:16967] [ 6364.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6364.512936][ C2] irq event stamp: 66996 [ 6364.512938][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6364.512951][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6364.512956][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6364.512964][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6364.512972][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6364.512979][ C2] Tainted: [L]=SOFTLOCKUP [ 6364.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6364.512983][ C2] RIP: 0010:kasan_check_range+0x81/0x1c0 [ 6364.512992][ C2] Code: 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 48 89 e8 49 8d 59 01 48 89 da <48> 29 ea 48 83 fa 10 0f 8e c0 00 00 00 41 89 eb 41 83 e3 07 75 7d [ 6364.512996][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000286 [ 6364.512999][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 6364.513002][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6364.513004][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6364.513006][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6364.513008][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6364.513011][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6364.513014][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6364.513018][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6364.513020][ C2] PKRU: 55555554 [ 6364.513021][ C2] Call Trace: [ 6364.513026][ C2] [ 6364.513030][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6364.513037][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6364.513044][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6364.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6364.513052][ C2] ? lock_acquire+0x10c/0x170 [ 6364.513058][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6364.513063][ C2] mptcp_try_fallback+0x14b/0x360 [ 6364.513067][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6364.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6364.513077][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6364.513080][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6364.513085][ C2] __mptcp_retrans+0x42a/0x960 [ 6364.513091][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6364.513096][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6364.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6364.513113][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6364.513116][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6364.513119][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6364.513122][ C2] ? lock_acquire+0x10c/0x170 [ 6364.513125][ C2] ? release_sock+0x1f/0x1d0 [ 6364.513133][ C2] release_sock+0x17f/0x1d0 [ 6364.513137][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6364.513145][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6364.513149][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6364.513153][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6364.513161][ C2] ? find_held_lock+0x2b/0x80 [ 6364.513165][ C2] sock_write_iter+0x3c1/0x520 [ 6364.513172][ C2] ? __up_write+0x1ad/0x530 [ 6364.513177][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6364.513184][ C2] ? ksys_write+0xf7/0x1d0 [ 6364.513191][ C2] vfs_write+0xc0c/0x1210 [ 6364.513195][ C2] ? ksys_write+0x137/0x1d0 [ 6364.513198][ C2] ? __lock_release+0x5d/0x170 [ 6364.513202][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6364.513206][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6364.513213][ C2] ksys_write+0x183/0x1d0 [ 6364.513217][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6364.513219][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6364.513227][ C2] do_syscall_64+0xc1/0x380 [ 6364.513232][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6364.513237][ C2] RIP: 0033:0x7f492fa5f337 [ 6364.513248][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6364.513250][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6364.513254][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6364.513256][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6364.513259][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6364.513261][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6364.513263][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6364.513269][ C2] [ 6392.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3867s! [mptcp_connect:16967] [ 6392.512920][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6392.512937][ C2] irq event stamp: 66996 [ 6392.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6392.512953][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6392.512958][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6392.512966][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6392.512975][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6392.512982][ C2] Tainted: [L]=SOFTLOCKUP [ 6392.512983][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6392.512986][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6392.512992][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6392.512996][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6392.512999][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6392.513002][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6392.513004][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6392.513006][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6392.513009][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6392.513011][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6392.513015][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6392.513019][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6392.513021][ C2] PKRU: 55555554 [ 6392.513022][ C2] Call Trace: [ 6392.513027][ C2] [ 6392.513033][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6392.513041][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6392.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6392.513052][ C2] ? lock_acquire+0x10c/0x170 [ 6392.513057][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6392.513062][ C2] mptcp_try_fallback+0x14b/0x360 [ 6392.513067][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6392.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6392.513077][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6392.513080][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6392.513085][ C2] __mptcp_retrans+0x42a/0x960 [ 6392.513091][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6392.513096][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6392.513106][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6392.513114][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6392.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6392.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6392.513123][ C2] ? lock_acquire+0x10c/0x170 [ 6392.513126][ C2] ? release_sock+0x1f/0x1d0 [ 6392.513134][ C2] release_sock+0x17f/0x1d0 [ 6392.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6392.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6392.513149][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6392.513153][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6392.513161][ C2] ? find_held_lock+0x2b/0x80 [ 6392.513165][ C2] sock_write_iter+0x3c1/0x520 [ 6392.513172][ C2] ? __up_write+0x1ad/0x530 [ 6392.513178][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6392.513185][ C2] ? ksys_write+0xf7/0x1d0 [ 6392.513193][ C2] vfs_write+0xc0c/0x1210 [ 6392.513198][ C2] ? ksys_write+0x137/0x1d0 [ 6392.513200][ C2] ? __lock_release+0x5d/0x170 [ 6392.513205][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6392.513209][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6392.513216][ C2] ksys_write+0x183/0x1d0 [ 6392.513220][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6392.513223][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6392.513231][ C2] do_syscall_64+0xc1/0x380 [ 6392.513236][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6392.513241][ C2] RIP: 0033:0x7f492fa5f337 [ 6392.513253][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6392.513255][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6392.513258][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6392.513260][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6392.513262][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6392.513265][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6392.513267][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6392.513273][ C2] [ 6402.926475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6402.926943][ C2] rcu: 2-....: (4156455 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1406702 [ 6402.927546][ C2] rcu: (t=4160263 jiffies g=1296501 q=73936 ncpus=4) [ 6402.927820][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6402.927826][ C2] Tainted: [L]=SOFTLOCKUP [ 6402.927828][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6402.927830][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6402.927840][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6402.927843][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6402.927846][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6402.927848][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6402.927851][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6402.927853][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6402.927855][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6402.927857][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6402.927860][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6402.927864][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6402.927866][ C2] PKRU: 55555554 [ 6402.927868][ C2] Call Trace: [ 6402.927869][ C2] [ 6402.927872][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6402.927879][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6402.927884][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6402.927887][ C2] ? lock_acquire+0x10c/0x170 [ 6402.927892][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6402.927899][ C2] mptcp_try_fallback+0x14b/0x360 [ 6402.927902][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6402.927908][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6402.927911][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6402.927914][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6402.927919][ C2] __mptcp_retrans+0x42a/0x960 [ 6402.927924][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6402.927929][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6402.927937][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6402.927945][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6402.927947][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6402.927951][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6402.927953][ C2] ? lock_acquire+0x10c/0x170 [ 6402.927956][ C2] ? release_sock+0x1f/0x1d0 [ 6402.927962][ C2] release_sock+0x17f/0x1d0 [ 6402.927966][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6402.927973][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6402.927977][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6402.927981][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6402.927986][ C2] ? find_held_lock+0x2b/0x80 [ 6402.927990][ C2] sock_write_iter+0x3c1/0x520 [ 6402.927996][ C2] ? __up_write+0x1ad/0x530 [ 6402.928002][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6402.928008][ C2] ? ksys_write+0xf7/0x1d0 [ 6402.928015][ C2] vfs_write+0xc0c/0x1210 [ 6402.928018][ C2] ? ksys_write+0x137/0x1d0 [ 6402.928021][ C2] ? __lock_release+0x5d/0x170 [ 6402.928025][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6402.928029][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6402.928036][ C2] ksys_write+0x183/0x1d0 [ 6402.928039][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6402.928042][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6402.928048][ C2] do_syscall_64+0xc1/0x380 [ 6402.928052][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6402.928055][ C2] RIP: 0033:0x7f492fa5f337 [ 6402.928063][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6402.928065][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6402.928068][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6402.928070][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6402.928072][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6402.928074][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6402.928076][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6402.928082][ C2] [ 6428.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3901s! [mptcp_connect:16967] [ 6428.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6428.512933][ C2] irq event stamp: 66996 [ 6428.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6428.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6428.512951][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6428.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6428.512966][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6428.512972][ C2] Tainted: [L]=SOFTLOCKUP [ 6428.512973][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6428.512976][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6428.512981][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6428.512984][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6428.512988][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6428.512990][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6428.512992][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6428.512994][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6428.512996][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6428.512999][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6428.513002][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6428.513006][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6428.513008][ C2] PKRU: 55555554 [ 6428.513010][ C2] Call Trace: [ 6428.513012][ C2] [ 6428.513016][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6428.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6428.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6428.513033][ C2] ? lock_acquire+0x10c/0x170 [ 6428.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6428.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 6428.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6428.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6428.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6428.513059][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6428.513064][ C2] __mptcp_retrans+0x42a/0x960 [ 6428.513071][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6428.513076][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6428.513085][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6428.513093][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6428.513096][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6428.513099][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6428.513102][ C2] ? lock_acquire+0x10c/0x170 [ 6428.513105][ C2] ? release_sock+0x1f/0x1d0 [ 6428.513112][ C2] release_sock+0x17f/0x1d0 [ 6428.513116][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6428.513124][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6428.513127][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6428.513131][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6428.513137][ C2] ? find_held_lock+0x2b/0x80 [ 6428.513142][ C2] sock_write_iter+0x3c1/0x520 [ 6428.513149][ C2] ? __up_write+0x1ad/0x530 [ 6428.513154][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6428.513161][ C2] ? ksys_write+0xf7/0x1d0 [ 6428.513168][ C2] vfs_write+0xc0c/0x1210 [ 6428.513172][ C2] ? ksys_write+0x137/0x1d0 [ 6428.513174][ C2] ? __lock_release+0x5d/0x170 [ 6428.513178][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6428.513182][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6428.513190][ C2] ksys_write+0x183/0x1d0 [ 6428.513194][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6428.513196][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6428.513202][ C2] do_syscall_64+0xc1/0x380 [ 6428.513207][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6428.513211][ C2] RIP: 0033:0x7f492fa5f337 [ 6428.513219][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6428.513221][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6428.513224][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6428.513226][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6428.513229][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6428.513231][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6428.513233][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6428.513239][ C2] [ 6436.272488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4163577 jiffies s: 68497 root: 0x4/. [ 6436.273054][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6436.273382][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6436.273620][ C2] NMI backtrace for cpu 2 [ 6436.273628][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6436.273634][ C2] Tainted: [L]=SOFTLOCKUP [ 6436.273635][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6436.273638][ C2] RIP: 0010:vm_interrupt+0x54/0x160 [ 6436.273648][ C2] Code: 89 f3 48 c1 ea 03 48 83 ec 08 80 3c 02 00 0f 85 fc 00 00 00 48 8b 83 28 05 00 00 44 8b 68 60 48 8b 83 28 05 00 00 44 89 68 64 <45> 89 ec 41 83 e4 02 0f 85 b5 00 00 00 41 83 e5 01 0f 84 95 00 00 [ 6436.273651][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [ 6436.273655][ C2] RAX: ffffc9000002ec00 RBX: ffff88800626b800 RCX: ffffffffa4623c21 [ 6436.273658][ C2] RDX: 1ffff11000c4d7a5 RSI: ffff88800626b800 RDI: ffff88800626bd28 [ 6436.273660][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff514a2fa [ 6436.273662][ C2] R10: ffffffffa8a517d7 R11: ffffc90000218ff8 R12: ffff888002126400 [ 6436.273664][ C2] R13: 0000000000000001 R14: ffffffffa56624b0 R15: ffff888006230b00 [ 6436.273667][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6436.273669][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6436.273673][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6436.273675][ C2] PKRU: 55555554 [ 6436.273677][ C2] Call Trace: [ 6436.273680][ C2] [ 6436.273682][ C2] ? rcu_is_watching+0x12/0xc0 [ 6436.273697][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 6436.273701][ C2] __handle_irq_event_percpu+0x190/0x310 [ 6436.273709][ C2] handle_irq_event+0xaa/0x1c0 [ 6436.273712][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 6436.273736][ C2] __common_interrupt+0xad/0x1d0 [ 6436.273743][ C2] common_interrupt+0xb9/0xe0 [ 6436.273749][ C2] [ 6436.273751][ C2] [ 6436.273753][ C2] asm_common_interrupt+0x26/0x40 [ 6436.273758][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6436.273764][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6436.273768][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6436.273770][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6436.273773][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6436.273775][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6436.273777][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6436.273779][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6436.273783][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 6436.273790][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6436.273796][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6436.273801][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6436.273804][ C2] ? lock_acquire+0x10c/0x170 [ 6436.273809][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6436.273816][ C2] mptcp_try_fallback+0x14b/0x360 [ 6436.273821][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6436.273827][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6436.273829][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6436.273832][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6436.273837][ C2] __mptcp_retrans+0x42a/0x960 [ 6436.273843][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6436.273848][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6436.273855][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6436.273863][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6436.273866][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6436.273869][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6436.273872][ C2] ? lock_acquire+0x10c/0x170 [ 6436.273875][ C2] ? release_sock+0x1f/0x1d0 [ 6436.273881][ C2] release_sock+0x17f/0x1d0 [ 6436.273885][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6436.273893][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6436.273897][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6436.273901][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6436.273907][ C2] ? find_held_lock+0x2b/0x80 [ 6436.273911][ C2] sock_write_iter+0x3c1/0x520 [ 6436.273918][ C2] ? __up_write+0x1ad/0x530 [ 6436.273923][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6436.273929][ C2] ? ksys_write+0xf7/0x1d0 [ 6436.273936][ C2] vfs_write+0xc0c/0x1210 [ 6436.273940][ C2] ? ksys_write+0x137/0x1d0 [ 6436.273942][ C2] ? __lock_release+0x5d/0x170 [ 6436.273946][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6436.273950][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6436.273957][ C2] ksys_write+0x183/0x1d0 [ 6436.273961][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6436.273963][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6436.273970][ C2] do_syscall_64+0xc1/0x380 [ 6436.273974][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6436.273977][ C2] RIP: 0033:0x7f492fa5f337 [ 6436.273985][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6436.273987][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6436.273990][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6436.273993][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6436.273995][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6436.273997][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6436.273999][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6436.274005][ C2] [ 6460.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3930s! [mptcp_connect:16967] [ 6460.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6460.512933][ C2] irq event stamp: 66996 [ 6460.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6460.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6460.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6460.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6460.512966][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6460.512972][ C2] Tainted: [L]=SOFTLOCKUP [ 6460.512973][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6460.512976][ C2] RIP: 0010:kasan_check_range+0x106/0x1c0 [ 6460.512984][ C2] Code: 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff <5b> b8 01 00 00 00 5d 41 5c e9 3c fa 1a 02 41 bc 08 00 00 00 45 29 [ 6460.512988][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 6460.512991][ C2] RAX: ffffed10017f0d67 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 6460.512994][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6460.512996][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6460.512998][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6460.513000][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6460.513003][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6460.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6460.513010][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6460.513012][ C2] PKRU: 55555554 [ 6460.513013][ C2] Call Trace: [ 6460.513016][ C2] [ 6460.513020][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6460.513026][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6460.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6460.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6460.513041][ C2] ? lock_acquire+0x10c/0x170 [ 6460.513046][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6460.513052][ C2] mptcp_try_fallback+0x14b/0x360 [ 6460.513056][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6460.513062][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6460.513065][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6460.513068][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6460.513073][ C2] __mptcp_retrans+0x42a/0x960 [ 6460.513079][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6460.513084][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6460.513093][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6460.513100][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6460.513103][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6460.513106][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6460.513109][ C2] ? lock_acquire+0x10c/0x170 [ 6460.513112][ C2] ? release_sock+0x1f/0x1d0 [ 6460.513119][ C2] release_sock+0x17f/0x1d0 [ 6460.513123][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6460.513130][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6460.513134][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6460.513138][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6460.513144][ C2] ? find_held_lock+0x2b/0x80 [ 6460.513149][ C2] sock_write_iter+0x3c1/0x520 [ 6460.513155][ C2] ? __up_write+0x1ad/0x530 [ 6460.513160][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6460.513167][ C2] ? ksys_write+0xf7/0x1d0 [ 6460.513174][ C2] vfs_write+0xc0c/0x1210 [ 6460.513177][ C2] ? ksys_write+0x137/0x1d0 [ 6460.513180][ C2] ? __lock_release+0x5d/0x170 [ 6460.513184][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6460.513188][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6460.513196][ C2] ksys_write+0x183/0x1d0 [ 6460.513199][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6460.513202][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6460.513209][ C2] do_syscall_64+0xc1/0x380 [ 6460.513213][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6460.513217][ C2] RIP: 0033:0x7f492fa5f337 [ 6460.513227][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6460.513228][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6460.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6460.513234][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6460.513236][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6460.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6460.513240][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6460.513246][ C2] [ 6480.931475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6480.932003][ C2] rcu: 2-....: (4234380 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1443596 [ 6480.932429][ C2] rcu: (t=4238268 jiffies g=1296501 q=75377 ncpus=4) [ 6480.932855][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6480.932862][ C2] Tainted: [L]=SOFTLOCKUP [ 6480.932863][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6480.932866][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6480.932877][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6480.932880][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6480.932884][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6480.932887][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6480.932889][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6480.932891][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6480.932893][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6480.932895][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6480.932898][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6480.932902][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6480.932904][ C2] PKRU: 55555554 [ 6480.932906][ C2] Call Trace: [ 6480.932907][ C2] [ 6480.932910][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6480.932918][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6480.932924][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6480.932927][ C2] ? lock_acquire+0x10c/0x170 [ 6480.932931][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6480.932939][ C2] mptcp_try_fallback+0x14b/0x360 [ 6480.932943][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6480.932949][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6480.932952][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6480.932955][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6480.932960][ C2] __mptcp_retrans+0x42a/0x960 [ 6480.932965][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6480.932971][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6480.932979][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6480.932986][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6480.932989][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6480.932993][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6480.932996][ C2] ? lock_acquire+0x10c/0x170 [ 6480.932999][ C2] ? release_sock+0x1f/0x1d0 [ 6480.933005][ C2] release_sock+0x17f/0x1d0 [ 6480.933009][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6480.933017][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6480.933021][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6480.933025][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6480.933031][ C2] ? find_held_lock+0x2b/0x80 [ 6480.933035][ C2] sock_write_iter+0x3c1/0x520 [ 6480.933041][ C2] ? __up_write+0x1ad/0x530 [ 6480.933047][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6480.933054][ C2] ? ksys_write+0xf7/0x1d0 [ 6480.933061][ C2] vfs_write+0xc0c/0x1210 [ 6480.933065][ C2] ? ksys_write+0x137/0x1d0 [ 6480.933068][ C2] ? __lock_release+0x5d/0x170 [ 6480.933072][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6480.933076][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6480.933083][ C2] ksys_write+0x183/0x1d0 [ 6480.933087][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6480.933089][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6480.933096][ C2] do_syscall_64+0xc1/0x380 [ 6480.933100][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6480.933104][ C2] RIP: 0033:0x7f492fa5f337 [ 6480.933112][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6480.933114][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6480.933117][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6480.933119][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6480.933122][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6480.933124][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6480.933125][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6480.933132][ C2] [ 6508.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3975s! [mptcp_connect:16967] [ 6508.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6508.512937][ C2] irq event stamp: 66996 [ 6508.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6508.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6508.512956][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6508.512964][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6508.512972][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6508.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 6508.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6508.512983][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6508.512988][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6508.512992][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6508.512996][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6508.512999][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6508.513001][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6508.513003][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6508.513005][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6508.513008][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6508.513011][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6508.513015][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6508.513017][ C2] PKRU: 55555554 [ 6508.513019][ C2] Call Trace: [ 6508.513024][ C2] [ 6508.513029][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6508.513037][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6508.513044][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6508.513047][ C2] ? lock_acquire+0x10c/0x170 [ 6508.513052][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6508.513057][ C2] mptcp_try_fallback+0x14b/0x360 [ 6508.513061][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6508.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6508.513071][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6508.513075][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6508.513079][ C2] __mptcp_retrans+0x42a/0x960 [ 6508.513086][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6508.513091][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6508.513100][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6508.513108][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6508.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6508.513119][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6508.513122][ C2] ? lock_acquire+0x10c/0x170 [ 6508.513125][ C2] ? release_sock+0x1f/0x1d0 [ 6508.513132][ C2] release_sock+0x17f/0x1d0 [ 6508.513137][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6508.513145][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6508.513148][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6508.513153][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6508.513160][ C2] ? find_held_lock+0x2b/0x80 [ 6508.513165][ C2] sock_write_iter+0x3c1/0x520 [ 6508.513172][ C2] ? __up_write+0x1ad/0x530 [ 6508.513177][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6508.513185][ C2] ? ksys_write+0xf7/0x1d0 [ 6508.513193][ C2] vfs_write+0xc0c/0x1210 [ 6508.513197][ C2] ? ksys_write+0x137/0x1d0 [ 6508.513200][ C2] ? __lock_release+0x5d/0x170 [ 6508.513204][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6508.513209][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6508.513216][ C2] ksys_write+0x183/0x1d0 [ 6508.513220][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6508.513223][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6508.513231][ C2] do_syscall_64+0xc1/0x380 [ 6508.513236][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6508.513241][ C2] RIP: 0033:0x7f492fa5f337 [ 6508.513252][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6508.513254][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6508.513257][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6508.513260][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6508.513262][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6508.513264][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6508.513266][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6508.513272][ C2] [ 6534.575494][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4261880 jiffies s: 68497 root: 0x4/. [ 6534.576193][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6534.576385][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6534.576571][ C2] NMI backtrace for cpu 2 [ 6534.576580][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6534.576587][ C2] Tainted: [L]=SOFTLOCKUP [ 6534.576589][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6534.576592][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6534.576604][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6534.576607][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6534.576611][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6534.576613][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6534.576616][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6534.576618][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6534.576620][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6534.576622][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6534.576625][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6534.576628][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6534.576630][ C2] PKRU: 55555554 [ 6534.576632][ C2] Call Trace: [ 6534.576635][ C2] [ 6534.576639][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6534.576647][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6534.576653][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6534.576656][ C2] ? lock_acquire+0x10c/0x170 [ 6534.576661][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6534.576668][ C2] mptcp_try_fallback+0x14b/0x360 [ 6534.576672][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6534.576679][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6534.576682][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6534.576685][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6534.576690][ C2] __mptcp_retrans+0x42a/0x960 [ 6534.576696][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6534.576701][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6534.576709][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6534.576717][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6534.576720][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6534.576723][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6534.576726][ C2] ? lock_acquire+0x10c/0x170 [ 6534.576729][ C2] ? release_sock+0x1f/0x1d0 [ 6534.576736][ C2] release_sock+0x17f/0x1d0 [ 6534.576740][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6534.576748][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6534.576752][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6534.576756][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6534.576763][ C2] ? find_held_lock+0x2b/0x80 [ 6534.576768][ C2] sock_write_iter+0x3c1/0x520 [ 6534.576775][ C2] ? __up_write+0x1ad/0x530 [ 6534.576780][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6534.576788][ C2] ? ksys_write+0xf7/0x1d0 [ 6534.576795][ C2] vfs_write+0xc0c/0x1210 [ 6534.576798][ C2] ? ksys_write+0x137/0x1d0 [ 6534.576801][ C2] ? __lock_release+0x5d/0x170 [ 6534.576805][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6534.576809][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6534.576816][ C2] ksys_write+0x183/0x1d0 [ 6534.576820][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6534.576823][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6534.576831][ C2] do_syscall_64+0xc1/0x380 [ 6534.576835][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6534.576839][ C2] RIP: 0033:0x7f492fa5f337 [ 6534.576848][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6534.576850][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6534.576853][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6534.576855][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6534.576857][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6534.576859][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6534.576861][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6534.576868][ C2] [ 6558.936476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6558.936884][ C2] rcu: 2-....: (4312330 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1469957 [ 6558.937307][ C2] rcu: (t=4316273 jiffies g=1296501 q=76370 ncpus=4) [ 6558.937716][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6558.937723][ C2] Tainted: [L]=SOFTLOCKUP [ 6558.937724][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6558.937727][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 6558.937739][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 6558.937742][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6558.937747][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6558.937749][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6558.937751][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6558.937754][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6558.937756][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6558.937758][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6558.937761][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6558.937765][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6558.937767][ C2] PKRU: 55555554 [ 6558.937769][ C2] Call Trace: [ 6558.937770][ C2] [ 6558.937773][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6558.937781][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6558.937787][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6558.937790][ C2] ? lock_acquire+0x10c/0x170 [ 6558.937794][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6558.937802][ C2] mptcp_try_fallback+0x14b/0x360 [ 6558.937806][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6558.937812][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6558.937815][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6558.937818][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6558.937823][ C2] __mptcp_retrans+0x42a/0x960 [ 6558.937829][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6558.937834][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6558.937843][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6558.937850][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6558.937853][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6558.937856][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6558.937859][ C2] ? lock_acquire+0x10c/0x170 [ 6558.937862][ C2] ? release_sock+0x1f/0x1d0 [ 6558.937868][ C2] release_sock+0x17f/0x1d0 [ 6558.937872][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6558.937879][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6558.937883][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6558.937887][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6558.937894][ C2] ? find_held_lock+0x2b/0x80 [ 6558.937899][ C2] sock_write_iter+0x3c1/0x520 [ 6558.937906][ C2] ? __up_write+0x1ad/0x530 [ 6558.937911][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6558.937917][ C2] ? ksys_write+0xf7/0x1d0 [ 6558.937925][ C2] vfs_write+0xc0c/0x1210 [ 6558.937928][ C2] ? ksys_write+0x137/0x1d0 [ 6558.937931][ C2] ? __lock_release+0x5d/0x170 [ 6558.937934][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6558.937938][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6558.937946][ C2] ksys_write+0x183/0x1d0 [ 6558.937950][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6558.937952][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6558.937960][ C2] do_syscall_64+0xc1/0x380 [ 6558.937964][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6558.937968][ C2] RIP: 0033:0x7f492fa5f337 [ 6558.937978][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6558.937980][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6558.937984][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6558.937986][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6558.937988][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6558.937990][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6558.937992][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6558.937999][ C2] [ 6584.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4046s! [mptcp_connect:16967] [ 6584.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6584.512934][ C2] irq event stamp: 66996 [ 6584.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6584.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6584.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6584.512960][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6584.512968][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6584.512975][ C2] Tainted: [L]=SOFTLOCKUP [ 6584.512976][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6584.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6584.512984][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6584.512988][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6584.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6584.512995][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6584.512997][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6584.512999][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6584.513001][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6584.513004][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6584.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6584.513010][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6584.513013][ C2] PKRU: 55555554 [ 6584.513014][ C2] Call Trace: [ 6584.513017][ C2] [ 6584.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6584.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6584.513036][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6584.513039][ C2] ? lock_acquire+0x10c/0x170 [ 6584.513044][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6584.513048][ C2] mptcp_try_fallback+0x14b/0x360 [ 6584.513053][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6584.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6584.513062][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6584.513065][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6584.513070][ C2] __mptcp_retrans+0x42a/0x960 [ 6584.513077][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6584.513082][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6584.513090][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6584.513098][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6584.513101][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6584.513105][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6584.513108][ C2] ? lock_acquire+0x10c/0x170 [ 6584.513111][ C2] ? release_sock+0x1f/0x1d0 [ 6584.513118][ C2] release_sock+0x17f/0x1d0 [ 6584.513122][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6584.513131][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6584.513135][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6584.513139][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6584.513146][ C2] ? find_held_lock+0x2b/0x80 [ 6584.513150][ C2] sock_write_iter+0x3c1/0x520 [ 6584.513157][ C2] ? __up_write+0x1ad/0x530 [ 6584.513163][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6584.513170][ C2] ? ksys_write+0xf7/0x1d0 [ 6584.513178][ C2] vfs_write+0xc0c/0x1210 [ 6584.513182][ C2] ? ksys_write+0x137/0x1d0 [ 6584.513184][ C2] ? __lock_release+0x5d/0x170 [ 6584.513189][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6584.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6584.513200][ C2] ksys_write+0x183/0x1d0 [ 6584.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6584.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6584.513215][ C2] do_syscall_64+0xc1/0x380 [ 6584.513219][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6584.513223][ C2] RIP: 0033:0x7f492fa5f337 [ 6584.513234][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6584.513236][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6584.513240][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6584.513242][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6584.513244][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6584.513246][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6584.513248][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6584.513255][ C2] [ 6612.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4072s! [mptcp_connect:16967] [ 6612.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6612.512934][ C2] irq event stamp: 66996 [ 6612.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6612.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6612.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6612.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6612.512970][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6612.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 6612.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6612.512980][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 6612.512988][ C2] Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 01 00 [ 6612.512992][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 6612.512995][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 6612.512998][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6612.513000][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6612.513003][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6612.513005][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6612.513007][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6612.513010][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6612.513014][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6612.513016][ C2] PKRU: 55555554 [ 6612.513017][ C2] Call Trace: [ 6612.513020][ C2] [ 6612.513024][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6612.513030][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6612.513037][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6612.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6612.513046][ C2] ? lock_acquire+0x10c/0x170 [ 6612.513051][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6612.513056][ C2] mptcp_try_fallback+0x14b/0x360 [ 6612.513060][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6612.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6612.513070][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6612.513073][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6612.513078][ C2] __mptcp_retrans+0x42a/0x960 [ 6612.513084][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6612.513090][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6612.513098][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6612.513105][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6612.513108][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6612.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6612.513115][ C2] ? lock_acquire+0x10c/0x170 [ 6612.513118][ C2] ? release_sock+0x1f/0x1d0 [ 6612.513125][ C2] release_sock+0x17f/0x1d0 [ 6612.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6612.513138][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6612.513141][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6612.513146][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6612.513152][ C2] ? find_held_lock+0x2b/0x80 [ 6612.513156][ C2] sock_write_iter+0x3c1/0x520 [ 6612.513163][ C2] ? __up_write+0x1ad/0x530 [ 6612.513169][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6612.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 6612.513182][ C2] vfs_write+0xc0c/0x1210 [ 6612.513186][ C2] ? ksys_write+0x137/0x1d0 [ 6612.513189][ C2] ? __lock_release+0x5d/0x170 [ 6612.513193][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6612.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6612.513205][ C2] ksys_write+0x183/0x1d0 [ 6612.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6612.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6612.513219][ C2] do_syscall_64+0xc1/0x380 [ 6612.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6612.513229][ C2] RIP: 0033:0x7f492fa5f337 [ 6612.513239][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6612.513241][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6612.513244][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6612.513247][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6612.513249][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6612.513251][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6612.513253][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6612.513260][ C2] [ 6632.879493][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4360184 jiffies s: 68497 root: 0x4/. [ 6632.880168][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6632.880431][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6632.880710][ C2] NMI backtrace for cpu 2 [ 6632.880720][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6632.880726][ C2] Tainted: [L]=SOFTLOCKUP [ 6632.880727][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6632.880730][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 6632.880741][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 6632.880745][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 6632.880748][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 6632.880751][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 6632.880753][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 6632.880756][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 6632.880759][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 6632.880760][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6632.880763][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6632.880767][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6632.880769][ C2] PKRU: 55555554 [ 6632.880770][ C2] Call Trace: [ 6632.880773][ C2] [ 6632.880775][ C2] ioapic_ack_level+0xcf/0x3d0 [ 6632.880785][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 6632.880794][ C2] __common_interrupt+0xad/0x1d0 [ 6632.880802][ C2] common_interrupt+0xb9/0xe0 [ 6632.880808][ C2] [ 6632.880809][ C2] [ 6632.880811][ C2] asm_common_interrupt+0x26/0x40 [ 6632.880817][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6632.880824][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6632.880827][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6632.880829][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6632.880831][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6632.880833][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6632.880836][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6632.880838][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6632.880842][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 6632.880849][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6632.880856][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6632.880861][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6632.880864][ C2] ? lock_acquire+0x10c/0x170 [ 6632.880869][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6632.880876][ C2] mptcp_try_fallback+0x14b/0x360 [ 6632.880881][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6632.880887][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6632.880890][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6632.880893][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6632.880898][ C2] __mptcp_retrans+0x42a/0x960 [ 6632.880904][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6632.880909][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6632.880917][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6632.880924][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6632.880927][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6632.880930][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6632.880933][ C2] ? lock_acquire+0x10c/0x170 [ 6632.880936][ C2] ? release_sock+0x1f/0x1d0 [ 6632.880943][ C2] release_sock+0x17f/0x1d0 [ 6632.880947][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6632.880955][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6632.880959][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6632.880963][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6632.880970][ C2] ? find_held_lock+0x2b/0x80 [ 6632.880974][ C2] sock_write_iter+0x3c1/0x520 [ 6632.880981][ C2] ? __up_write+0x1ad/0x530 [ 6632.880987][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6632.880993][ C2] ? ksys_write+0xf7/0x1d0 [ 6632.881001][ C2] vfs_write+0xc0c/0x1210 [ 6632.881004][ C2] ? ksys_write+0x137/0x1d0 [ 6632.881007][ C2] ? __lock_release+0x5d/0x170 [ 6632.881011][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6632.881015][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6632.881022][ C2] ksys_write+0x183/0x1d0 [ 6632.881026][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6632.881029][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6632.881036][ C2] do_syscall_64+0xc1/0x380 [ 6632.881040][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6632.881043][ C2] RIP: 0033:0x7f492fa5f337 [ 6632.881052][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6632.881054][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6632.881057][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6632.881059][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6632.881062][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6632.881064][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6632.881066][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6632.881072][ C2] [ 6636.941475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6636.941948][ C2] rcu: 2-....: (4390257 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1496345 [ 6636.942544][ C2] rcu: (t=4394279 jiffies g=1296501 q=77799 ncpus=4) [ 6636.942797][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6636.942803][ C2] Tainted: [L]=SOFTLOCKUP [ 6636.942804][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6636.942807][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6636.942817][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6636.942820][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6636.942824][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6636.942826][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6636.942828][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6636.942831][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6636.942833][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6636.942835][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6636.942838][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6636.942842][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6636.942844][ C2] PKRU: 55555554 [ 6636.942846][ C2] Call Trace: [ 6636.942847][ C2] [ 6636.942849][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6636.942857][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6636.942862][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6636.942865][ C2] ? lock_acquire+0x10c/0x170 [ 6636.942869][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6636.942876][ C2] mptcp_try_fallback+0x14b/0x360 [ 6636.942879][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6636.942886][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6636.942888][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6636.942892][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6636.942896][ C2] __mptcp_retrans+0x42a/0x960 [ 6636.942902][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6636.942907][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6636.942915][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6636.942922][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6636.942925][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6636.942928][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6636.942931][ C2] ? lock_acquire+0x10c/0x170 [ 6636.942935][ C2] ? release_sock+0x1f/0x1d0 [ 6636.942941][ C2] release_sock+0x17f/0x1d0 [ 6636.942944][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6636.942952][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6636.942956][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6636.942960][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6636.942966][ C2] ? find_held_lock+0x2b/0x80 [ 6636.942971][ C2] sock_write_iter+0x3c1/0x520 [ 6636.942978][ C2] ? __up_write+0x1ad/0x530 [ 6636.942983][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6636.942990][ C2] ? ksys_write+0xf7/0x1d0 [ 6636.942996][ C2] vfs_write+0xc0c/0x1210 [ 6636.943000][ C2] ? ksys_write+0x137/0x1d0 [ 6636.943002][ C2] ? __lock_release+0x5d/0x170 [ 6636.943007][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6636.943011][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6636.943018][ C2] ksys_write+0x183/0x1d0 [ 6636.943022][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6636.943024][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6636.943031][ C2] do_syscall_64+0xc1/0x380 [ 6636.943035][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6636.943039][ C2] RIP: 0033:0x7f492fa5f337 [ 6636.943047][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6636.943049][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6636.943052][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6636.943054][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6636.943056][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6636.943059][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6636.943061][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6636.943067][ C2] [ 6664.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4120s! [mptcp_connect:16967] [ 6664.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6664.512932][ C2] irq event stamp: 66996 [ 6664.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6664.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6664.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6664.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6664.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6664.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 6664.512970][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6664.512972][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 6664.512977][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 6664.512981][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6664.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6664.512986][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6664.512988][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6664.512991][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6664.512993][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6664.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6664.512998][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6664.513002][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6664.513004][ C2] PKRU: 55555554 [ 6664.513005][ C2] Call Trace: [ 6664.513008][ C2] [ 6664.513012][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6664.513019][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6664.513025][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6664.513027][ C2] ? lock_acquire+0x10c/0x170 [ 6664.513032][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6664.513037][ C2] mptcp_try_fallback+0x14b/0x360 [ 6664.513041][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6664.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6664.513051][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6664.513054][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6664.513058][ C2] __mptcp_retrans+0x42a/0x960 [ 6664.513064][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6664.513069][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6664.513076][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6664.513084][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6664.513086][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6664.513090][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6664.513093][ C2] ? lock_acquire+0x10c/0x170 [ 6664.513096][ C2] ? release_sock+0x1f/0x1d0 [ 6664.513102][ C2] release_sock+0x17f/0x1d0 [ 6664.513106][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6664.513113][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6664.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6664.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6664.513128][ C2] ? find_held_lock+0x2b/0x80 [ 6664.513133][ C2] sock_write_iter+0x3c1/0x520 [ 6664.513140][ C2] ? __up_write+0x1ad/0x530 [ 6664.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6664.513152][ C2] ? ksys_write+0xf7/0x1d0 [ 6664.513158][ C2] vfs_write+0xc0c/0x1210 [ 6664.513162][ C2] ? ksys_write+0x137/0x1d0 [ 6664.513165][ C2] ? __lock_release+0x5d/0x170 [ 6664.513169][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6664.513173][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6664.513180][ C2] ksys_write+0x183/0x1d0 [ 6664.513184][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6664.513187][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6664.513194][ C2] do_syscall_64+0xc1/0x380 [ 6664.513198][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6664.513201][ C2] RIP: 0033:0x7f492fa5f337 [ 6664.513210][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6664.513212][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6664.513215][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6664.513217][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6664.513219][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6664.513222][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6664.513224][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6664.513230][ C2] [ 6692.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4146s! [mptcp_connect:16967] [ 6692.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6692.512935][ C2] irq event stamp: 66996 [ 6692.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6692.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6692.512953][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6692.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6692.512967][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6692.512973][ C2] Tainted: [L]=SOFTLOCKUP [ 6692.512974][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6692.512977][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 6692.512985][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 <53> 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 [ 6692.512989][ C2] RSP: 0018:ffffc9000028f5b8 EFLAGS: 00000282 [ 6692.512992][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6692.512994][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6692.512997][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6692.512999][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6692.513001][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6692.513003][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6692.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6692.513010][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6692.513011][ C2] PKRU: 55555554 [ 6692.513013][ C2] Call Trace: [ 6692.513015][ C2] [ 6692.513019][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6692.513026][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6692.513034][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6692.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6692.513041][ C2] ? lock_acquire+0x10c/0x170 [ 6692.513046][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6692.513050][ C2] mptcp_try_fallback+0x14b/0x360 [ 6692.513055][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6692.513062][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6692.513065][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6692.513068][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6692.513073][ C2] __mptcp_retrans+0x42a/0x960 [ 6692.513079][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6692.513085][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6692.513092][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6692.513099][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6692.513102][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6692.513105][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6692.513108][ C2] ? lock_acquire+0x10c/0x170 [ 6692.513112][ C2] ? release_sock+0x1f/0x1d0 [ 6692.513118][ C2] release_sock+0x17f/0x1d0 [ 6692.513123][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6692.513130][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6692.513134][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6692.513138][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6692.513145][ C2] ? find_held_lock+0x2b/0x80 [ 6692.513150][ C2] sock_write_iter+0x3c1/0x520 [ 6692.513156][ C2] ? __up_write+0x1ad/0x530 [ 6692.513162][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6692.513169][ C2] ? ksys_write+0xf7/0x1d0 [ 6692.513175][ C2] vfs_write+0xc0c/0x1210 [ 6692.513179][ C2] ? ksys_write+0x137/0x1d0 [ 6692.513181][ C2] ? __lock_release+0x5d/0x170 [ 6692.513185][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6692.513189][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6692.513197][ C2] ksys_write+0x183/0x1d0 [ 6692.513201][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6692.513203][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6692.513210][ C2] do_syscall_64+0xc1/0x380 [ 6692.513214][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6692.513218][ C2] RIP: 0033:0x7f492fa5f337 [ 6692.513227][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6692.513229][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6692.513232][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6692.513234][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6692.513236][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6692.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6692.513240][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6692.513247][ C2] [ 6714.946475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6714.946969][ C2] rcu: 2-....: (4468204 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1522807 [ 6714.947576][ C2] rcu: (t=4472284 jiffies g=1296501 q=78825 ncpus=4) [ 6714.947828][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6714.947834][ C2] Tainted: [L]=SOFTLOCKUP [ 6714.947836][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6714.947839][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6714.947850][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6714.947853][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6714.947857][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6714.947859][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6714.947861][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6714.947863][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6714.947866][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6714.947868][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6714.947870][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6714.947875][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6714.947877][ C2] PKRU: 55555554 [ 6714.947878][ C2] Call Trace: [ 6714.947880][ C2] [ 6714.947882][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6714.947890][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6714.947895][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6714.947898][ C2] ? lock_acquire+0x10c/0x170 [ 6714.947902][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6714.947909][ C2] mptcp_try_fallback+0x14b/0x360 [ 6714.947913][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6714.947919][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6714.947922][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6714.947925][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6714.947930][ C2] __mptcp_retrans+0x42a/0x960 [ 6714.947936][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6714.947941][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6714.947949][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6714.947956][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6714.947959][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6714.947962][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6714.947965][ C2] ? lock_acquire+0x10c/0x170 [ 6714.947968][ C2] ? release_sock+0x1f/0x1d0 [ 6714.947974][ C2] release_sock+0x17f/0x1d0 [ 6714.947977][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6714.947985][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6714.947988][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6714.947993][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6714.947999][ C2] ? find_held_lock+0x2b/0x80 [ 6714.948003][ C2] sock_write_iter+0x3c1/0x520 [ 6714.948009][ C2] ? __up_write+0x1ad/0x530 [ 6714.948015][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6714.948022][ C2] ? ksys_write+0xf7/0x1d0 [ 6714.948028][ C2] vfs_write+0xc0c/0x1210 [ 6714.948032][ C2] ? ksys_write+0x137/0x1d0 [ 6714.948034][ C2] ? __lock_release+0x5d/0x170 [ 6714.948038][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6714.948042][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6714.948049][ C2] ksys_write+0x183/0x1d0 [ 6714.948053][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6714.948056][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6714.948063][ C2] do_syscall_64+0xc1/0x380 [ 6714.948067][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6714.948070][ C2] RIP: 0033:0x7f492fa5f337 [ 6714.948079][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6714.948081][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6714.948084][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6714.948086][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6714.948089][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6714.948091][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6714.948093][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6714.948099][ C2] [ 6731.183493][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4458488 jiffies s: 68497 root: 0x4/. [ 6731.184193][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6731.184425][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6731.184617][ C2] NMI backtrace for cpu 2 [ 6731.184625][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6731.184631][ C2] Tainted: [L]=SOFTLOCKUP [ 6731.184632][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6731.184635][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6731.184645][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6731.184649][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6731.184652][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6731.184655][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6731.184657][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6731.184659][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6731.184661][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6731.184663][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6731.184666][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6731.184669][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6731.184671][ C2] PKRU: 55555554 [ 6731.184673][ C2] Call Trace: [ 6731.184675][ C2] [ 6731.184679][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6731.184686][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6731.184692][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6731.184695][ C2] ? lock_acquire+0x10c/0x170 [ 6731.184699][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6731.184706][ C2] mptcp_try_fallback+0x14b/0x360 [ 6731.184709][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6731.184716][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6731.184719][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6731.184722][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6731.184727][ C2] __mptcp_retrans+0x42a/0x960 [ 6731.184733][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6731.184738][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6731.184745][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6731.184752][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6731.184755][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6731.184758][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6731.184761][ C2] ? lock_acquire+0x10c/0x170 [ 6731.184764][ C2] ? release_sock+0x1f/0x1d0 [ 6731.184770][ C2] release_sock+0x17f/0x1d0 [ 6731.184774][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6731.184782][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6731.184786][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6731.184790][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6731.184795][ C2] ? find_held_lock+0x2b/0x80 [ 6731.184800][ C2] sock_write_iter+0x3c1/0x520 [ 6731.184806][ C2] ? __up_write+0x1ad/0x530 [ 6731.184811][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6731.184818][ C2] ? ksys_write+0xf7/0x1d0 [ 6731.184825][ C2] vfs_write+0xc0c/0x1210 [ 6731.184829][ C2] ? ksys_write+0x137/0x1d0 [ 6731.184831][ C2] ? __lock_release+0x5d/0x170 [ 6731.184836][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6731.184840][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6731.184847][ C2] ksys_write+0x183/0x1d0 [ 6731.184851][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6731.184853][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6731.184860][ C2] do_syscall_64+0xc1/0x380 [ 6731.184864][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6731.184867][ C2] RIP: 0033:0x7f492fa5f337 [ 6731.184874][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6731.184876][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6731.184880][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6731.184882][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6731.184884][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6731.184887][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6731.184889][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6731.184895][ C2] [ 6756.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4206s! [mptcp_connect:16967] [ 6756.512913][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6756.512931][ C2] irq event stamp: 66996 [ 6756.512932][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6756.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6756.512948][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6756.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6756.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6756.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 6756.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6756.512972][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 6756.512980][ C2] Code: 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f [ 6756.512984][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 6756.512987][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6756.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6756.512992][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6756.512994][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6756.512996][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6756.512999][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6756.513001][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6756.513005][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6756.513007][ C2] PKRU: 55555554 [ 6756.513009][ C2] Call Trace: [ 6756.513012][ C2] [ 6756.513013][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6756.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6756.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6756.513033][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6756.513036][ C2] ? lock_acquire+0x10c/0x170 [ 6756.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6756.513045][ C2] mptcp_try_fallback+0x14b/0x360 [ 6756.513050][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6756.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6756.513059][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6756.513062][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6756.513067][ C2] __mptcp_retrans+0x42a/0x960 [ 6756.513073][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6756.513078][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6756.513085][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6756.513092][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6756.513095][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6756.513098][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6756.513101][ C2] ? lock_acquire+0x10c/0x170 [ 6756.513104][ C2] ? release_sock+0x1f/0x1d0 [ 6756.513110][ C2] release_sock+0x17f/0x1d0 [ 6756.513114][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6756.513121][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6756.513125][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6756.513129][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6756.513135][ C2] ? find_held_lock+0x2b/0x80 [ 6756.513139][ C2] sock_write_iter+0x3c1/0x520 [ 6756.513146][ C2] ? __up_write+0x1ad/0x530 [ 6756.513151][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6756.513158][ C2] ? ksys_write+0xf7/0x1d0 [ 6756.513164][ C2] vfs_write+0xc0c/0x1210 [ 6756.513168][ C2] ? ksys_write+0x137/0x1d0 [ 6756.513170][ C2] ? __lock_release+0x5d/0x170 [ 6756.513175][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6756.513179][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6756.513186][ C2] ksys_write+0x183/0x1d0 [ 6756.513190][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6756.513193][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6756.513199][ C2] do_syscall_64+0xc1/0x380 [ 6756.513203][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6756.513206][ C2] RIP: 0033:0x7f492fa5f337 [ 6756.513214][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6756.513216][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6756.513220][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6756.513223][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6756.513225][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6756.513228][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6756.513230][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6756.513236][ C2] [ 6784.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4232s! [mptcp_connect:16967] [ 6784.512913][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6784.512930][ C2] irq event stamp: 66996 [ 6784.512932][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6784.512942][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6784.512946][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6784.512952][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6784.512960][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6784.512965][ C2] Tainted: [L]=SOFTLOCKUP [ 6784.512967][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6784.512969][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6784.512974][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6784.512978][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6784.512981][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6784.512984][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6784.512986][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6784.512988][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6784.512990][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6784.512993][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6784.512995][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6784.512999][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6784.513002][ C2] PKRU: 55555554 [ 6784.513003][ C2] Call Trace: [ 6784.513005][ C2] [ 6784.513009][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6784.513017][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6784.513023][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6784.513026][ C2] ? lock_acquire+0x10c/0x170 [ 6784.513030][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6784.513034][ C2] mptcp_try_fallback+0x14b/0x360 [ 6784.513039][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6784.513045][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6784.513049][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6784.513052][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6784.513057][ C2] __mptcp_retrans+0x42a/0x960 [ 6784.513063][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6784.513068][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6784.513076][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6784.513083][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6784.513086][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6784.513089][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6784.513092][ C2] ? lock_acquire+0x10c/0x170 [ 6784.513096][ C2] ? release_sock+0x1f/0x1d0 [ 6784.513101][ C2] release_sock+0x17f/0x1d0 [ 6784.513105][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6784.513113][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6784.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6784.513121][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6784.513127][ C2] ? find_held_lock+0x2b/0x80 [ 6784.513132][ C2] sock_write_iter+0x3c1/0x520 [ 6784.513139][ C2] ? __up_write+0x1ad/0x530 [ 6784.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6784.513151][ C2] ? ksys_write+0xf7/0x1d0 [ 6784.513158][ C2] vfs_write+0xc0c/0x1210 [ 6784.513161][ C2] ? ksys_write+0x137/0x1d0 [ 6784.513164][ C2] ? __lock_release+0x5d/0x170 [ 6784.513168][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6784.513172][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6784.513180][ C2] ksys_write+0x183/0x1d0 [ 6784.513184][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6784.513186][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6784.513193][ C2] do_syscall_64+0xc1/0x380 [ 6784.513196][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6784.513200][ C2] RIP: 0033:0x7f492fa5f337 [ 6784.513208][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6784.513209][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6784.513213][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6784.513215][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6784.513217][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6784.513219][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6784.513221][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6784.513228][ C2] [ 6792.951475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6792.951941][ C2] rcu: 2-....: (4546134 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1549179 [ 6792.952487][ C2] rcu: (t=4550289 jiffies g=1296501 q=80173 ncpus=4) [ 6792.952745][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6792.952752][ C2] Tainted: [L]=SOFTLOCKUP [ 6792.952753][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6792.952755][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6792.952764][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6792.952767][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6792.952771][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6792.952773][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6792.952775][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6792.952778][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6792.952780][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6792.952782][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6792.952785][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6792.952789][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6792.952791][ C2] PKRU: 55555554 [ 6792.952792][ C2] Call Trace: [ 6792.952794][ C2] [ 6792.952796][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6792.952804][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6792.952809][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6792.952812][ C2] ? lock_acquire+0x10c/0x170 [ 6792.952816][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6792.952822][ C2] mptcp_try_fallback+0x14b/0x360 [ 6792.952826][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6792.952832][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6792.952834][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6792.952837][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6792.952843][ C2] __mptcp_retrans+0x42a/0x960 [ 6792.952848][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6792.952853][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6792.952860][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6792.952868][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6792.952870][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6792.952874][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6792.952877][ C2] ? lock_acquire+0x10c/0x170 [ 6792.952880][ C2] ? release_sock+0x1f/0x1d0 [ 6792.952885][ C2] release_sock+0x17f/0x1d0 [ 6792.952889][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6792.952896][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6792.952900][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6792.952904][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6792.952910][ C2] ? find_held_lock+0x2b/0x80 [ 6792.952914][ C2] sock_write_iter+0x3c1/0x520 [ 6792.952920][ C2] ? __up_write+0x1ad/0x530 [ 6792.952925][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6792.952932][ C2] ? ksys_write+0xf7/0x1d0 [ 6792.952938][ C2] vfs_write+0xc0c/0x1210 [ 6792.952941][ C2] ? ksys_write+0x137/0x1d0 [ 6792.952944][ C2] ? __lock_release+0x5d/0x170 [ 6792.952948][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6792.952952][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6792.952959][ C2] ksys_write+0x183/0x1d0 [ 6792.952963][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6792.952966][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6792.952972][ C2] do_syscall_64+0xc1/0x380 [ 6792.952976][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6792.952979][ C2] RIP: 0033:0x7f492fa5f337 [ 6792.952986][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6792.952988][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6792.952991][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6792.952994][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6792.952996][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6792.952998][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6792.953000][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6792.953006][ C2] [ 6820.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4266s! [mptcp_connect:16967] [ 6820.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6820.512934][ C2] irq event stamp: 66996 [ 6820.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6820.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6820.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6820.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6820.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6820.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 6820.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6820.512975][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6820.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6820.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6820.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6820.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6820.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6820.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6820.512995][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6820.512997][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6820.513000][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6820.513004][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6820.513006][ C2] PKRU: 55555554 [ 6820.513008][ C2] Call Trace: [ 6820.513011][ C2] [ 6820.513015][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6820.513023][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6820.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6820.513032][ C2] ? lock_acquire+0x10c/0x170 [ 6820.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6820.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 6820.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6820.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6820.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6820.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6820.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 6820.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6820.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6820.513082][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6820.513090][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6820.513092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6820.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6820.513099][ C2] ? lock_acquire+0x10c/0x170 [ 6820.513102][ C2] ? release_sock+0x1f/0x1d0 [ 6820.513108][ C2] release_sock+0x17f/0x1d0 [ 6820.513112][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6820.513120][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6820.513124][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6820.513128][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6820.513135][ C2] ? find_held_lock+0x2b/0x80 [ 6820.513140][ C2] sock_write_iter+0x3c1/0x520 [ 6820.513147][ C2] ? __up_write+0x1ad/0x530 [ 6820.513152][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6820.513159][ C2] ? ksys_write+0xf7/0x1d0 [ 6820.513166][ C2] vfs_write+0xc0c/0x1210 [ 6820.513169][ C2] ? ksys_write+0x137/0x1d0 [ 6820.513172][ C2] ? __lock_release+0x5d/0x170 [ 6820.513176][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6820.513180][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6820.513188][ C2] ksys_write+0x183/0x1d0 [ 6820.513192][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6820.513195][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6820.513201][ C2] do_syscall_64+0xc1/0x380 [ 6820.513205][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6820.513209][ C2] RIP: 0033:0x7f492fa5f337 [ 6820.513216][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6820.513218][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6820.513222][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6820.513224][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6820.513226][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6820.513228][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6820.513231][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6820.513237][ C2] [ 6829.488489][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4556793 jiffies s: 68497 root: 0x4/. [ 6829.489164][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6829.489408][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6829.489670][ C2] NMI backtrace for cpu 2 [ 6829.489677][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6829.489682][ C2] Tainted: [L]=SOFTLOCKUP [ 6829.489684][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6829.489686][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6829.489696][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6829.489700][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6829.489703][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6829.489706][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6829.489708][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6829.489710][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6829.489712][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6829.489714][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6829.489717][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6829.489721][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6829.489723][ C2] PKRU: 55555554 [ 6829.489724][ C2] Call Trace: [ 6829.489727][ C2] [ 6829.489731][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6829.489738][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6829.489743][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6829.489746][ C2] ? lock_acquire+0x10c/0x170 [ 6829.489750][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6829.489756][ C2] mptcp_try_fallback+0x14b/0x360 [ 6829.489760][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6829.489766][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6829.489769][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6829.489772][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6829.489777][ C2] __mptcp_retrans+0x42a/0x960 [ 6829.489783][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6829.489788][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6829.489795][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6829.489801][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6829.489804][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6829.489808][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6829.489811][ C2] ? lock_acquire+0x10c/0x170 [ 6829.489814][ C2] ? release_sock+0x1f/0x1d0 [ 6829.489820][ C2] release_sock+0x17f/0x1d0 [ 6829.489823][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6829.489831][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6829.489835][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6829.489839][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6829.489845][ C2] ? find_held_lock+0x2b/0x80 [ 6829.489849][ C2] sock_write_iter+0x3c1/0x520 [ 6829.489856][ C2] ? __up_write+0x1ad/0x530 [ 6829.489861][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6829.489867][ C2] ? ksys_write+0xf7/0x1d0 [ 6829.489874][ C2] vfs_write+0xc0c/0x1210 [ 6829.489877][ C2] ? ksys_write+0x137/0x1d0 [ 6829.489880][ C2] ? __lock_release+0x5d/0x170 [ 6829.489884][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6829.489888][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6829.489895][ C2] ksys_write+0x183/0x1d0 [ 6829.489899][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6829.489902][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6829.489908][ C2] do_syscall_64+0xc1/0x380 [ 6829.489912][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6829.489915][ C2] RIP: 0033:0x7f492fa5f337 [ 6829.489921][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6829.489923][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6829.489927][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6829.489929][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6829.489931][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6829.489934][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6829.489936][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6829.489942][ C2] [ 6856.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4299s! [mptcp_connect:16967] [ 6856.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6856.512930][ C2] irq event stamp: 66996 [ 6856.512932][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6856.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6856.512947][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6856.512953][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6856.512960][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6856.512966][ C2] Tainted: [L]=SOFTLOCKUP [ 6856.512968][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6856.512970][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6856.512975][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6856.512978][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6856.512981][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6856.512983][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6856.512986][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6856.512988][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6856.512990][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6856.512993][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6856.512996][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6856.512999][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6856.513002][ C2] PKRU: 55555554 [ 6856.513003][ C2] Call Trace: [ 6856.513006][ C2] [ 6856.513009][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6856.513017][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6856.513022][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6856.513026][ C2] ? lock_acquire+0x10c/0x170 [ 6856.513030][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6856.513035][ C2] mptcp_try_fallback+0x14b/0x360 [ 6856.513039][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6856.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6856.513049][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6856.513052][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6856.513057][ C2] __mptcp_retrans+0x42a/0x960 [ 6856.513062][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6856.513068][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6856.513075][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6856.513082][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6856.513085][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6856.513088][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6856.513091][ C2] ? lock_acquire+0x10c/0x170 [ 6856.513094][ C2] ? release_sock+0x1f/0x1d0 [ 6856.513100][ C2] release_sock+0x17f/0x1d0 [ 6856.513104][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6856.513112][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6856.513115][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6856.513119][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6856.513125][ C2] ? find_held_lock+0x2b/0x80 [ 6856.513130][ C2] sock_write_iter+0x3c1/0x520 [ 6856.513137][ C2] ? __up_write+0x1ad/0x530 [ 6856.513141][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6856.513148][ C2] ? ksys_write+0xf7/0x1d0 [ 6856.513155][ C2] vfs_write+0xc0c/0x1210 [ 6856.513158][ C2] ? ksys_write+0x137/0x1d0 [ 6856.513161][ C2] ? __lock_release+0x5d/0x170 [ 6856.513165][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6856.513169][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6856.513177][ C2] ksys_write+0x183/0x1d0 [ 6856.513181][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6856.513184][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6856.513190][ C2] do_syscall_64+0xc1/0x380 [ 6856.513194][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6856.513197][ C2] RIP: 0033:0x7f492fa5f337 [ 6856.513204][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6856.513205][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6856.513209][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6856.513211][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6856.513214][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6856.513216][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6856.513218][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6856.513224][ C2] [ 6870.956476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6870.956960][ C2] rcu: 2-....: (4624064 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1575520 [ 6870.957579][ C2] rcu: (t=4628294 jiffies g=1296501 q=81527 ncpus=4) [ 6870.957832][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6870.957838][ C2] Tainted: [L]=SOFTLOCKUP [ 6870.957840][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6870.957842][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6870.957852][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6870.957855][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6870.957859][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6870.957862][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6870.957864][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6870.957866][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6870.957868][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6870.957870][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6870.957873][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6870.957877][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6870.957879][ C2] PKRU: 55555554 [ 6870.957880][ C2] Call Trace: [ 6870.957882][ C2] [ 6870.957884][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6870.957892][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6870.957897][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6870.957900][ C2] ? lock_acquire+0x10c/0x170 [ 6870.957904][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6870.957910][ C2] mptcp_try_fallback+0x14b/0x360 [ 6870.957914][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6870.957920][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6870.957923][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6870.957926][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6870.957931][ C2] __mptcp_retrans+0x42a/0x960 [ 6870.957936][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6870.957941][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6870.957949][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6870.957956][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6870.957959][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6870.957963][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6870.957965][ C2] ? lock_acquire+0x10c/0x170 [ 6870.957969][ C2] ? release_sock+0x1f/0x1d0 [ 6870.957975][ C2] release_sock+0x17f/0x1d0 [ 6870.957978][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6870.957985][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6870.957989][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6870.957993][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6870.957999][ C2] ? find_held_lock+0x2b/0x80 [ 6870.958003][ C2] sock_write_iter+0x3c1/0x520 [ 6870.958009][ C2] ? __up_write+0x1ad/0x530 [ 6870.958014][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6870.958021][ C2] ? ksys_write+0xf7/0x1d0 [ 6870.958027][ C2] vfs_write+0xc0c/0x1210 [ 6870.958031][ C2] ? ksys_write+0x137/0x1d0 [ 6870.958033][ C2] ? __lock_release+0x5d/0x170 [ 6870.958037][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6870.958042][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6870.958049][ C2] ksys_write+0x183/0x1d0 [ 6870.958052][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6870.958055][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6870.958062][ C2] do_syscall_64+0xc1/0x380 [ 6870.958066][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6870.958069][ C2] RIP: 0033:0x7f492fa5f337 [ 6870.958077][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6870.958079][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6870.958083][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6870.958085][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6870.958087][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6870.958090][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6870.958092][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6870.958098][ C2] [ 6896.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4336s! [mptcp_connect:16967] [ 6896.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6896.512929][ C2] irq event stamp: 66996 [ 6896.512930][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6896.512940][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6896.512944][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6896.512950][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6896.512956][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6896.512961][ C2] Tainted: [L]=SOFTLOCKUP [ 6896.512963][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6896.512965][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 6896.512973][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 <53> 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 [ 6896.512976][ C2] RSP: 0018:ffffc9000028f5b8 EFLAGS: 00000282 [ 6896.512980][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6896.512982][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6896.512984][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6896.512986][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6896.512989][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6896.512991][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6896.512993][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6896.512997][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6896.512999][ C2] PKRU: 55555554 [ 6896.513000][ C2] Call Trace: [ 6896.513002][ C2] [ 6896.513005][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6896.513011][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6896.513019][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6896.513024][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6896.513026][ C2] ? lock_acquire+0x10c/0x170 [ 6896.513030][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6896.513035][ C2] mptcp_try_fallback+0x14b/0x360 [ 6896.513040][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6896.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6896.513049][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6896.513052][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6896.513057][ C2] __mptcp_retrans+0x42a/0x960 [ 6896.513063][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6896.513068][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6896.513074][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6896.513082][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6896.513084][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6896.513088][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6896.513091][ C2] ? lock_acquire+0x10c/0x170 [ 6896.513093][ C2] ? release_sock+0x1f/0x1d0 [ 6896.513099][ C2] release_sock+0x17f/0x1d0 [ 6896.513103][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6896.513110][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6896.513114][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6896.513118][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6896.513124][ C2] ? find_held_lock+0x2b/0x80 [ 6896.513128][ C2] sock_write_iter+0x3c1/0x520 [ 6896.513133][ C2] ? __up_write+0x1ad/0x530 [ 6896.513138][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6896.513145][ C2] ? ksys_write+0xf7/0x1d0 [ 6896.513151][ C2] vfs_write+0xc0c/0x1210 [ 6896.513154][ C2] ? ksys_write+0x137/0x1d0 [ 6896.513157][ C2] ? __lock_release+0x5d/0x170 [ 6896.513161][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6896.513165][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6896.513173][ C2] ksys_write+0x183/0x1d0 [ 6896.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6896.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6896.513185][ C2] do_syscall_64+0xc1/0x380 [ 6896.513189][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6896.513192][ C2] RIP: 0033:0x7f492fa5f337 [ 6896.513198][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6896.513200][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6896.513203][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6896.513206][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6896.513208][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6896.513210][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6896.513212][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6896.513219][ C2] [ 6924.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4362s! [mptcp_connect:16967] [ 6924.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6924.512933][ C2] irq event stamp: 66996 [ 6924.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6924.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6924.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6924.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6924.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6924.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 6924.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6924.512972][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6924.512977][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6924.512980][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6924.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6924.512986][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6924.512988][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6924.512991][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6924.512993][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6924.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6924.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6924.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6924.513004][ C2] PKRU: 55555554 [ 6924.513005][ C2] Call Trace: [ 6924.513008][ C2] [ 6924.513012][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6924.513020][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6924.513026][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6924.513029][ C2] ? lock_acquire+0x10c/0x170 [ 6924.513033][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6924.513038][ C2] mptcp_try_fallback+0x14b/0x360 [ 6924.513042][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6924.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6924.513051][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6924.513054][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6924.513059][ C2] __mptcp_retrans+0x42a/0x960 [ 6924.513065][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6924.513071][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6924.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6924.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6924.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6924.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6924.513094][ C2] ? lock_acquire+0x10c/0x170 [ 6924.513097][ C2] ? release_sock+0x1f/0x1d0 [ 6924.513103][ C2] release_sock+0x17f/0x1d0 [ 6924.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6924.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6924.513118][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6924.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6924.513128][ C2] ? find_held_lock+0x2b/0x80 [ 6924.513133][ C2] sock_write_iter+0x3c1/0x520 [ 6924.513140][ C2] ? __up_write+0x1ad/0x530 [ 6924.513145][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6924.513151][ C2] ? ksys_write+0xf7/0x1d0 [ 6924.513158][ C2] vfs_write+0xc0c/0x1210 [ 6924.513161][ C2] ? ksys_write+0x137/0x1d0 [ 6924.513164][ C2] ? __lock_release+0x5d/0x170 [ 6924.513169][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6924.513173][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6924.513180][ C2] ksys_write+0x183/0x1d0 [ 6924.513184][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6924.513187][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6924.513195][ C2] do_syscall_64+0xc1/0x380 [ 6924.513198][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6924.513202][ C2] RIP: 0033:0x7f492fa5f337 [ 6924.513209][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6924.513211][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6924.513214][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6924.513217][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6924.513219][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6924.513221][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6924.513223][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6924.513229][ C2] [ 6927.792489][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4655097 jiffies s: 68497 root: 0x4/. [ 6927.793148][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6927.793390][ T17] Sending NMI from CPU 1 to CPUs 2: [ 6927.793571][ C2] NMI backtrace for cpu 2 [ 6927.793578][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6927.793584][ C2] Tainted: [L]=SOFTLOCKUP [ 6927.793585][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6927.793587][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6927.793595][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6927.793599][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6927.793602][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6927.793604][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6927.793606][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6927.793608][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6927.793610][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6927.793612][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6927.793615][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6927.793618][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6927.793621][ C2] PKRU: 55555554 [ 6927.793622][ C2] Call Trace: [ 6927.793624][ C2] [ 6927.793627][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6927.793635][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6927.793640][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6927.793643][ C2] ? lock_acquire+0x10c/0x170 [ 6927.793647][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6927.793653][ C2] mptcp_try_fallback+0x14b/0x360 [ 6927.793656][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6927.793663][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6927.793665][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6927.793668][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6927.793673][ C2] __mptcp_retrans+0x42a/0x960 [ 6927.793679][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6927.793685][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6927.793690][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6927.793697][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6927.793700][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6927.793703][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6927.793706][ C2] ? lock_acquire+0x10c/0x170 [ 6927.793709][ C2] ? release_sock+0x1f/0x1d0 [ 6927.793714][ C2] release_sock+0x17f/0x1d0 [ 6927.793718][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6927.793726][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6927.793730][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6927.793734][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6927.793738][ C2] ? find_held_lock+0x2b/0x80 [ 6927.793743][ C2] sock_write_iter+0x3c1/0x520 [ 6927.793749][ C2] ? __up_write+0x1ad/0x530 [ 6927.793753][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6927.793760][ C2] ? ksys_write+0xf7/0x1d0 [ 6927.793766][ C2] vfs_write+0xc0c/0x1210 [ 6927.793770][ C2] ? ksys_write+0x137/0x1d0 [ 6927.793773][ C2] ? __lock_release+0x5d/0x170 [ 6927.793777][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6927.793780][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6927.793787][ C2] ksys_write+0x183/0x1d0 [ 6927.793791][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6927.793794][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6927.793800][ C2] do_syscall_64+0xc1/0x380 [ 6927.793803][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6927.793806][ C2] RIP: 0033:0x7f492fa5f337 [ 6927.793811][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6927.793813][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6927.793816][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6927.793819][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6927.793821][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6927.793823][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6927.793825][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6927.793831][ C2] [ 6948.961475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6948.961936][ C2] rcu: 2-....: (4701994 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1602060 [ 6948.962573][ C2] rcu: (t=4706299 jiffies g=1296501 q=82875 ncpus=4) [ 6948.962848][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6948.962854][ C2] Tainted: [L]=SOFTLOCKUP [ 6948.962855][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6948.962857][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6948.962866][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6948.962870][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6948.962873][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6948.962875][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6948.962877][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6948.962879][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6948.962881][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6948.962883][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6948.962886][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6948.962890][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6948.962892][ C2] PKRU: 55555554 [ 6948.962893][ C2] Call Trace: [ 6948.962895][ C2] [ 6948.962897][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6948.962905][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6948.962909][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6948.962912][ C2] ? lock_acquire+0x10c/0x170 [ 6948.962916][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6948.962922][ C2] mptcp_try_fallback+0x14b/0x360 [ 6948.962925][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6948.962932][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6948.962935][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6948.962937][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6948.962942][ C2] __mptcp_retrans+0x42a/0x960 [ 6948.962948][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6948.962953][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6948.962959][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6948.962966][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6948.962969][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6948.962973][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6948.962975][ C2] ? lock_acquire+0x10c/0x170 [ 6948.962979][ C2] ? release_sock+0x1f/0x1d0 [ 6948.962984][ C2] release_sock+0x17f/0x1d0 [ 6948.962988][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6948.962995][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6948.962998][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6948.963003][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6948.963007][ C2] ? find_held_lock+0x2b/0x80 [ 6948.963011][ C2] sock_write_iter+0x3c1/0x520 [ 6948.963016][ C2] ? __up_write+0x1ad/0x530 [ 6948.963020][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6948.963027][ C2] ? ksys_write+0xf7/0x1d0 [ 6948.963032][ C2] vfs_write+0xc0c/0x1210 [ 6948.963036][ C2] ? ksys_write+0x137/0x1d0 [ 6948.963038][ C2] ? __lock_release+0x5d/0x170 [ 6948.963042][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6948.963046][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6948.963053][ C2] ksys_write+0x183/0x1d0 [ 6948.963057][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6948.963060][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6948.963066][ C2] do_syscall_64+0xc1/0x380 [ 6948.963069][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6948.963073][ C2] RIP: 0033:0x7f492fa5f337 [ 6948.963078][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6948.963080][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6948.963083][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6948.963085][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6948.963088][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6948.963090][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6948.963092][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6948.963099][ C2] [ 6976.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4411s! [mptcp_connect:16967] [ 6976.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 6976.512928][ C2] irq event stamp: 66996 [ 6976.512931][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6976.512940][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6976.512944][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 6976.512949][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 6976.512955][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6976.512960][ C2] Tainted: [L]=SOFTLOCKUP [ 6976.512961][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6976.512963][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6976.512969][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6976.512972][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 6976.512975][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 6976.512977][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 6976.512979][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 6976.512981][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 6976.512984][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 6976.512986][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 6976.512989][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6976.512993][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 6976.512995][ C2] PKRU: 55555554 [ 6976.512996][ C2] Call Trace: [ 6976.512999][ C2] [ 6976.513002][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6976.513010][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6976.513015][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6976.513017][ C2] ? lock_acquire+0x10c/0x170 [ 6976.513021][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6976.513026][ C2] mptcp_try_fallback+0x14b/0x360 [ 6976.513030][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6976.513037][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6976.513040][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6976.513043][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6976.513048][ C2] __mptcp_retrans+0x42a/0x960 [ 6976.513054][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6976.513059][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6976.513065][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6976.513073][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6976.513076][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6976.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6976.513081][ C2] ? lock_acquire+0x10c/0x170 [ 6976.513084][ C2] ? release_sock+0x1f/0x1d0 [ 6976.513090][ C2] release_sock+0x17f/0x1d0 [ 6976.513094][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6976.513101][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6976.513105][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6976.513109][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6976.513114][ C2] ? find_held_lock+0x2b/0x80 [ 6976.513118][ C2] sock_write_iter+0x3c1/0x520 [ 6976.513123][ C2] ? __up_write+0x1ad/0x530 [ 6976.513128][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6976.513134][ C2] ? ksys_write+0xf7/0x1d0 [ 6976.513140][ C2] vfs_write+0xc0c/0x1210 [ 6976.513144][ C2] ? ksys_write+0x137/0x1d0 [ 6976.513147][ C2] ? __lock_release+0x5d/0x170 [ 6976.513151][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6976.513154][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6976.513162][ C2] ksys_write+0x183/0x1d0 [ 6976.513166][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6976.513168][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6976.513175][ C2] do_syscall_64+0xc1/0x380 [ 6976.513179][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6976.513182][ C2] RIP: 0033:0x7f492fa5f337 [ 6976.513187][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 6976.513189][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6976.513192][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 6976.513195][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 6976.513197][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 6976.513199][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 6976.513201][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 6976.513208][ C2] [ 7004.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4437s! [mptcp_connect:16967] [ 7004.512913][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7004.512929][ C2] irq event stamp: 66996 [ 7004.512930][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7004.512940][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7004.512944][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7004.512949][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7004.512955][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7004.512960][ C2] Tainted: [L]=SOFTLOCKUP [ 7004.512961][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7004.512963][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7004.512969][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7004.512972][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7004.512975][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7004.512977][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7004.512980][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7004.512982][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7004.512984][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7004.512986][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7004.512989][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7004.512993][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7004.512995][ C2] PKRU: 55555554 [ 7004.512996][ C2] Call Trace: [ 7004.512999][ C2] [ 7004.513003][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7004.513010][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7004.513015][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7004.513018][ C2] ? lock_acquire+0x10c/0x170 [ 7004.513022][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7004.513027][ C2] mptcp_try_fallback+0x14b/0x360 [ 7004.513031][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7004.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7004.513041][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7004.513044][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7004.513049][ C2] __mptcp_retrans+0x42a/0x960 [ 7004.513055][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7004.513061][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7004.513066][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7004.513073][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7004.513076][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7004.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7004.513082][ C2] ? lock_acquire+0x10c/0x170 [ 7004.513085][ C2] ? release_sock+0x1f/0x1d0 [ 7004.513091][ C2] release_sock+0x17f/0x1d0 [ 7004.513095][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7004.513102][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7004.513106][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7004.513110][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7004.513115][ C2] ? find_held_lock+0x2b/0x80 [ 7004.513119][ C2] sock_write_iter+0x3c1/0x520 [ 7004.513124][ C2] ? __up_write+0x1ad/0x530 [ 7004.513129][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7004.513136][ C2] ? ksys_write+0xf7/0x1d0 [ 7004.513142][ C2] vfs_write+0xc0c/0x1210 [ 7004.513145][ C2] ? ksys_write+0x137/0x1d0 [ 7004.513148][ C2] ? __lock_release+0x5d/0x170 [ 7004.513152][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7004.513156][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7004.513163][ C2] ksys_write+0x183/0x1d0 [ 7004.513167][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7004.513170][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7004.513176][ C2] do_syscall_64+0xc1/0x380 [ 7004.513180][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7004.513183][ C2] RIP: 0033:0x7f492fa5f337 [ 7004.513189][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7004.513191][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7004.513193][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7004.513196][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7004.513198][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7004.513200][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7004.513202][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7004.513209][ C2] [ 7026.095491][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4753400 jiffies s: 68497 root: 0x4/. [ 7026.096172][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7026.096365][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7026.096543][ C2] NMI backtrace for cpu 2 [ 7026.096550][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7026.096556][ C2] Tainted: [L]=SOFTLOCKUP [ 7026.096557][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7026.096560][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7026.096568][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7026.096572][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7026.096575][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7026.096578][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7026.096580][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7026.096582][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7026.096584][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7026.096586][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7026.096589][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7026.096592][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7026.096594][ C2] PKRU: 55555554 [ 7026.096596][ C2] Call Trace: [ 7026.096598][ C2] [ 7026.096602][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7026.096609][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7026.096614][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7026.096617][ C2] ? lock_acquire+0x10c/0x170 [ 7026.096621][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7026.096626][ C2] mptcp_try_fallback+0x14b/0x360 [ 7026.096630][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7026.096636][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7026.096639][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7026.096642][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7026.096647][ C2] __mptcp_retrans+0x42a/0x960 [ 7026.096653][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7026.096658][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7026.096664][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7026.096670][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7026.096673][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7026.096676][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7026.096679][ C2] ? lock_acquire+0x10c/0x170 [ 7026.096682][ C2] ? release_sock+0x1f/0x1d0 [ 7026.096687][ C2] release_sock+0x17f/0x1d0 [ 7026.096691][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7026.096698][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7026.096702][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7026.096706][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7026.096711][ C2] ? find_held_lock+0x2b/0x80 [ 7026.096715][ C2] sock_write_iter+0x3c1/0x520 [ 7026.096720][ C2] ? __up_write+0x1ad/0x530 [ 7026.096724][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7026.096731][ C2] ? ksys_write+0xf7/0x1d0 [ 7026.096736][ C2] vfs_write+0xc0c/0x1210 [ 7026.096740][ C2] ? ksys_write+0x137/0x1d0 [ 7026.096742][ C2] ? __lock_release+0x5d/0x170 [ 7026.096746][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7026.096750][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7026.096757][ C2] ksys_write+0x183/0x1d0 [ 7026.096761][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7026.096764][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7026.096770][ C2] do_syscall_64+0xc1/0x380 [ 7026.096774][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7026.096778][ C2] RIP: 0033:0x7f492fa5f337 [ 7026.096783][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7026.096785][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7026.096788][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7026.096791][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7026.096793][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7026.096795][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7026.096798][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7026.096804][ C2] [ 7026.966474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7026.966917][ C2] rcu: 2-....: (4779923 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1629848 [ 7026.967472][ C2] rcu: (t=4784303 jiffies g=1296501 q=84220 ncpus=4) [ 7026.967724][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7026.967729][ C2] Tainted: [L]=SOFTLOCKUP [ 7026.967731][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7026.967733][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 7026.967741][ C2] Code: 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f [ 7026.967744][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 7026.967747][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7026.967749][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7026.967752][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7026.967754][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7026.967756][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7026.967758][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7026.967760][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7026.967764][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7026.967766][ C2] PKRU: 55555554 [ 7026.967768][ C2] Call Trace: [ 7026.967769][ C2] [ 7026.967770][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7026.967776][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7026.967784][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7026.967787][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7026.967790][ C2] ? lock_acquire+0x10c/0x170 [ 7026.967793][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7026.967798][ C2] mptcp_try_fallback+0x14b/0x360 [ 7026.967802][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7026.967808][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7026.967811][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7026.967814][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7026.967819][ C2] __mptcp_retrans+0x42a/0x960 [ 7026.967825][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7026.967830][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7026.967836][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7026.967843][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7026.967846][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7026.967849][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7026.967852][ C2] ? lock_acquire+0x10c/0x170 [ 7026.967855][ C2] ? release_sock+0x1f/0x1d0 [ 7026.967860][ C2] release_sock+0x17f/0x1d0 [ 7026.967864][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7026.967871][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7026.967875][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7026.967879][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7026.967883][ C2] ? find_held_lock+0x2b/0x80 [ 7026.967887][ C2] sock_write_iter+0x3c1/0x520 [ 7026.967892][ C2] ? __up_write+0x1ad/0x530 [ 7026.967896][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7026.967902][ C2] ? ksys_write+0xf7/0x1d0 [ 7026.967908][ C2] vfs_write+0xc0c/0x1210 [ 7026.967911][ C2] ? ksys_write+0x137/0x1d0 [ 7026.967914][ C2] ? __lock_release+0x5d/0x170 [ 7026.967918][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7026.967922][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7026.967929][ C2] ksys_write+0x183/0x1d0 [ 7026.967933][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7026.967936][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7026.967942][ C2] do_syscall_64+0xc1/0x380 [ 7026.967945][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7026.967949][ C2] RIP: 0033:0x7f492fa5f337 [ 7026.967953][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7026.967955][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7026.967958][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7026.967960][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7026.967962][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7026.967965][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7026.967966][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7026.967973][ C2] [ 7052.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4482s! [mptcp_connect:16967] [ 7052.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7052.512931][ C2] irq event stamp: 66996 [ 7052.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7052.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7052.512948][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7052.512953][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7052.512961][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7052.512966][ C2] Tainted: [L]=SOFTLOCKUP [ 7052.512967][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7052.512970][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7052.512975][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7052.512978][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7052.512981][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7052.512984][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7052.512986][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7052.512988][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7052.512990][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7052.512993][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7052.512996][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7052.513000][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7052.513002][ C2] PKRU: 55555554 [ 7052.513004][ C2] Call Trace: [ 7052.513006][ C2] [ 7052.513010][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7052.513017][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7052.513022][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7052.513025][ C2] ? lock_acquire+0x10c/0x170 [ 7052.513029][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7052.513034][ C2] mptcp_try_fallback+0x14b/0x360 [ 7052.513038][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7052.513044][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7052.513047][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7052.513050][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7052.513055][ C2] __mptcp_retrans+0x42a/0x960 [ 7052.513062][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7052.513067][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7052.513073][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7052.513080][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7052.513083][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7052.513086][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7052.513089][ C2] ? lock_acquire+0x10c/0x170 [ 7052.513092][ C2] ? release_sock+0x1f/0x1d0 [ 7052.513098][ C2] release_sock+0x17f/0x1d0 [ 7052.513101][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7052.513109][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7052.513113][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7052.513117][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7052.513122][ C2] ? find_held_lock+0x2b/0x80 [ 7052.513126][ C2] sock_write_iter+0x3c1/0x520 [ 7052.513131][ C2] ? __up_write+0x1ad/0x530 [ 7052.513136][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7052.513143][ C2] ? ksys_write+0xf7/0x1d0 [ 7052.513149][ C2] vfs_write+0xc0c/0x1210 [ 7052.513153][ C2] ? ksys_write+0x137/0x1d0 [ 7052.513156][ C2] ? __lock_release+0x5d/0x170 [ 7052.513160][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7052.513164][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7052.513171][ C2] ksys_write+0x183/0x1d0 [ 7052.513175][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7052.513178][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7052.513184][ C2] do_syscall_64+0xc1/0x380 [ 7052.513188][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7052.513191][ C2] RIP: 0033:0x7f492fa5f337 [ 7052.513198][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7052.513200][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7052.513203][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7052.513205][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7052.513207][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7052.513209][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7052.513212][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7052.513218][ C2] [ 7080.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4508s! [mptcp_connect:16967] [ 7080.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7080.512927][ C2] irq event stamp: 66996 [ 7080.512928][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7080.512937][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7080.512941][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7080.512946][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7080.512952][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7080.512958][ C2] Tainted: [L]=SOFTLOCKUP [ 7080.512959][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7080.512962][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 7080.512968][ C2] Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 01 00 [ 7080.512971][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 7080.512974][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 7080.512977][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7080.512979][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7080.512981][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7080.512983][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7080.512985][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7080.512988][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7080.512991][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7080.512994][ C2] PKRU: 55555554 [ 7080.512995][ C2] Call Trace: [ 7080.512997][ C2] [ 7080.513000][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7080.513006][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7080.513013][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7080.513017][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7080.513020][ C2] ? lock_acquire+0x10c/0x170 [ 7080.513024][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7080.513029][ C2] mptcp_try_fallback+0x14b/0x360 [ 7080.513033][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7080.513040][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7080.513043][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7080.513046][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7080.513050][ C2] __mptcp_retrans+0x42a/0x960 [ 7080.513056][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7080.513062][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7080.513067][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7080.513074][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7080.513077][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7080.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7080.513083][ C2] ? lock_acquire+0x10c/0x170 [ 7080.513086][ C2] ? release_sock+0x1f/0x1d0 [ 7080.513091][ C2] release_sock+0x17f/0x1d0 [ 7080.513095][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7080.513103][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7080.513106][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7080.513111][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7080.513116][ C2] ? find_held_lock+0x2b/0x80 [ 7080.513120][ C2] sock_write_iter+0x3c1/0x520 [ 7080.513125][ C2] ? __up_write+0x1ad/0x530 [ 7080.513129][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7080.513136][ C2] ? ksys_write+0xf7/0x1d0 [ 7080.513141][ C2] vfs_write+0xc0c/0x1210 [ 7080.513145][ C2] ? ksys_write+0x137/0x1d0 [ 7080.513147][ C2] ? __lock_release+0x5d/0x170 [ 7080.513152][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7080.513155][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7080.513163][ C2] ksys_write+0x183/0x1d0 [ 7080.513166][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7080.513169][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7080.513175][ C2] do_syscall_64+0xc1/0x380 [ 7080.513178][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7080.513182][ C2] RIP: 0033:0x7f492fa5f337 [ 7080.513187][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7080.513189][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7080.513192][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7080.513194][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7080.513197][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7080.513199][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7080.513201][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7080.513207][ C2] [ 7104.971474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7104.972074][ C2] rcu: 2-....: (4857869 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1658292 [ 7104.972673][ C2] rcu: (t=4862309 jiffies g=1296501 q=85249 ncpus=4) [ 7104.972927][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7104.972933][ C2] Tainted: [L]=SOFTLOCKUP [ 7104.972934][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7104.972937][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7104.972946][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7104.972949][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7104.972952][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7104.972955][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7104.972957][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7104.972959][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7104.972961][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7104.972963][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7104.972966][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7104.972970][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7104.972972][ C2] PKRU: 55555554 [ 7104.972973][ C2] Call Trace: [ 7104.972975][ C2] [ 7104.972977][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7104.972985][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7104.972989][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7104.972992][ C2] ? lock_acquire+0x10c/0x170 [ 7104.972996][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7104.973002][ C2] mptcp_try_fallback+0x14b/0x360 [ 7104.973006][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7104.973012][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7104.973015][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7104.973018][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7104.973024][ C2] __mptcp_retrans+0x42a/0x960 [ 7104.973029][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7104.973034][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7104.973041][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7104.973048][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7104.973051][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7104.973054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7104.973057][ C2] ? lock_acquire+0x10c/0x170 [ 7104.973060][ C2] ? release_sock+0x1f/0x1d0 [ 7104.973065][ C2] release_sock+0x17f/0x1d0 [ 7104.973069][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7104.973076][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7104.973080][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7104.973084][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7104.973089][ C2] ? find_held_lock+0x2b/0x80 [ 7104.973093][ C2] sock_write_iter+0x3c1/0x520 [ 7104.973098][ C2] ? __up_write+0x1ad/0x530 [ 7104.973103][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7104.973110][ C2] ? ksys_write+0xf7/0x1d0 [ 7104.973116][ C2] vfs_write+0xc0c/0x1210 [ 7104.973119][ C2] ? ksys_write+0x137/0x1d0 [ 7104.973121][ C2] ? __lock_release+0x5d/0x170 [ 7104.973126][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7104.973130][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7104.973137][ C2] ksys_write+0x183/0x1d0 [ 7104.973140][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7104.973143][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7104.973149][ C2] do_syscall_64+0xc1/0x380 [ 7104.973152][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7104.973156][ C2] RIP: 0033:0x7f492fa5f337 [ 7104.973162][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7104.973164][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7104.973167][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7104.973169][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7104.973171][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7104.973173][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7104.973175][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7104.973181][ C2] [ 7124.400488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4851705 jiffies s: 68497 root: 0x4/. [ 7124.401182][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7124.401437][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7124.401616][ C2] NMI backtrace for cpu 2 [ 7124.401622][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7124.401627][ C2] Tainted: [L]=SOFTLOCKUP [ 7124.401629][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7124.401631][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7124.401640][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7124.401643][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7124.401646][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7124.401648][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7124.401651][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7124.401653][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7124.401655][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7124.401657][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7124.401660][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7124.401663][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7124.401665][ C2] PKRU: 55555554 [ 7124.401666][ C2] Call Trace: [ 7124.401669][ C2] [ 7124.401672][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7124.401680][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7124.401684][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7124.401687][ C2] ? lock_acquire+0x10c/0x170 [ 7124.401691][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7124.401696][ C2] mptcp_try_fallback+0x14b/0x360 [ 7124.401700][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7124.401706][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7124.401709][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7124.401712][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7124.401717][ C2] __mptcp_retrans+0x42a/0x960 [ 7124.401722][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7124.401728][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7124.401734][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7124.401741][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7124.401743][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7124.401747][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7124.401749][ C2] ? lock_acquire+0x10c/0x170 [ 7124.401752][ C2] ? release_sock+0x1f/0x1d0 [ 7124.401758][ C2] release_sock+0x17f/0x1d0 [ 7124.401761][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7124.401768][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7124.401772][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7124.401776][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7124.401781][ C2] ? find_held_lock+0x2b/0x80 [ 7124.401785][ C2] sock_write_iter+0x3c1/0x520 [ 7124.401790][ C2] ? __up_write+0x1ad/0x530 [ 7124.401795][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7124.401801][ C2] ? ksys_write+0xf7/0x1d0 [ 7124.401806][ C2] vfs_write+0xc0c/0x1210 [ 7124.401810][ C2] ? ksys_write+0x137/0x1d0 [ 7124.401813][ C2] ? __lock_release+0x5d/0x170 [ 7124.401817][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7124.401821][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7124.401828][ C2] ksys_write+0x183/0x1d0 [ 7124.401832][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7124.401835][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7124.401840][ C2] do_syscall_64+0xc1/0x380 [ 7124.401844][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7124.401847][ C2] RIP: 0033:0x7f492fa5f337 [ 7124.401852][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7124.401854][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7124.401857][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7124.401860][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7124.401862][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7124.401864][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7124.401866][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7124.401872][ C2] [ 7148.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4571s! [mptcp_connect:16967] [ 7148.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7148.512927][ C2] irq event stamp: 66996 [ 7148.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7148.512938][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7148.512943][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7148.512947][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7148.512953][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7148.512959][ C2] Tainted: [L]=SOFTLOCKUP [ 7148.512960][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7148.512962][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 7148.512967][ C2] Code: 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 be 04 00 00 00 48 89 ef e8 5d 3f e5 fd <41> 0f b6 06 41 38 c5 7c 08 84 c0 0f 85 8d 07 00 00 8b 45 00 89 44 [ 7148.512970][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000246 [ 7148.512974][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7148.512976][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7148.512978][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7148.512980][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7148.512982][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7148.512985][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7148.512987][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7148.512991][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7148.512994][ C2] PKRU: 55555554 [ 7148.512995][ C2] Call Trace: [ 7148.512998][ C2] [ 7148.513000][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7148.513008][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7148.513012][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7148.513015][ C2] ? lock_acquire+0x10c/0x170 [ 7148.513019][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7148.513024][ C2] mptcp_try_fallback+0x14b/0x360 [ 7148.513028][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7148.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7148.513038][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7148.513041][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7148.513046][ C2] __mptcp_retrans+0x42a/0x960 [ 7148.513051][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7148.513057][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7148.513062][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7148.513069][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7148.513072][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7148.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7148.513078][ C2] ? lock_acquire+0x10c/0x170 [ 7148.513081][ C2] ? release_sock+0x1f/0x1d0 [ 7148.513087][ C2] release_sock+0x17f/0x1d0 [ 7148.513091][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7148.513098][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7148.513102][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7148.513106][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7148.513111][ C2] ? find_held_lock+0x2b/0x80 [ 7148.513115][ C2] sock_write_iter+0x3c1/0x520 [ 7148.513120][ C2] ? __up_write+0x1ad/0x530 [ 7148.513124][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7148.513131][ C2] ? ksys_write+0xf7/0x1d0 [ 7148.513137][ C2] vfs_write+0xc0c/0x1210 [ 7148.513140][ C2] ? ksys_write+0x137/0x1d0 [ 7148.513143][ C2] ? __lock_release+0x5d/0x170 [ 7148.513147][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7148.513151][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7148.513158][ C2] ksys_write+0x183/0x1d0 [ 7148.513162][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7148.513164][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7148.513171][ C2] do_syscall_64+0xc1/0x380 [ 7148.513174][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7148.513178][ C2] RIP: 0033:0x7f492fa5f337 [ 7148.513184][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7148.513186][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7148.513189][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7148.513191][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7148.513193][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7148.513195][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7148.513197][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7148.513204][ C2] [ 7176.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4597s! [mptcp_connect:16967] [ 7176.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7176.512930][ C2] irq event stamp: 66996 [ 7176.512931][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7176.512942][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7176.512945][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7176.512950][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7176.512957][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7176.512963][ C2] Tainted: [L]=SOFTLOCKUP [ 7176.512965][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7176.512967][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7176.512972][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7176.512975][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7176.512979][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7176.512981][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7176.512983][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7176.512985][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7176.512987][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7176.512990][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7176.512992][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7176.512997][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7176.512999][ C2] PKRU: 55555554 [ 7176.513000][ C2] Call Trace: [ 7176.513003][ C2] [ 7176.513007][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7176.513015][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7176.513021][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7176.513024][ C2] ? lock_acquire+0x10c/0x170 [ 7176.513028][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7176.513033][ C2] mptcp_try_fallback+0x14b/0x360 [ 7176.513037][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7176.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7176.513046][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7176.513050][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7176.513055][ C2] __mptcp_retrans+0x42a/0x960 [ 7176.513060][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7176.513066][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7176.513073][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7176.513080][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7176.513083][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7176.513086][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7176.513089][ C2] ? lock_acquire+0x10c/0x170 [ 7176.513092][ C2] ? release_sock+0x1f/0x1d0 [ 7176.513097][ C2] release_sock+0x17f/0x1d0 [ 7176.513101][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7176.513109][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7176.513113][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7176.513117][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7176.513122][ C2] ? find_held_lock+0x2b/0x80 [ 7176.513127][ C2] sock_write_iter+0x3c1/0x520 [ 7176.513133][ C2] ? __up_write+0x1ad/0x530 [ 7176.513138][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7176.513145][ C2] ? ksys_write+0xf7/0x1d0 [ 7176.513151][ C2] vfs_write+0xc0c/0x1210 [ 7176.513155][ C2] ? ksys_write+0x137/0x1d0 [ 7176.513157][ C2] ? __lock_release+0x5d/0x170 [ 7176.513162][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7176.513166][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7176.513173][ C2] ksys_write+0x183/0x1d0 [ 7176.513177][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7176.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7176.513186][ C2] do_syscall_64+0xc1/0x380 [ 7176.513189][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7176.513193][ C2] RIP: 0033:0x7f492fa5f337 [ 7176.513200][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7176.513202][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7176.513205][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7176.513208][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7176.513210][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7176.513212][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7176.513214][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7176.513220][ C2] [ 7182.976474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7182.977060][ C2] rcu: 2-....: (4935798 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1686695 [ 7182.977573][ C2] rcu: (t=4940314 jiffies g=1296501 q=86594 ncpus=4) [ 7182.977828][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7182.977834][ C2] Tainted: [L]=SOFTLOCKUP [ 7182.977835][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7182.977837][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7182.977846][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7182.977849][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7182.977852][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7182.977854][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7182.977857][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7182.977859][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7182.977861][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7182.977863][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7182.977870][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7182.977873][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7182.977876][ C2] PKRU: 55555554 [ 7182.977877][ C2] Call Trace: [ 7182.977879][ C2] [ 7182.977881][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7182.977889][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7182.977894][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7182.977897][ C2] ? lock_acquire+0x10c/0x170 [ 7182.977900][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7182.977906][ C2] mptcp_try_fallback+0x14b/0x360 [ 7182.977910][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7182.977916][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7182.977919][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7182.977922][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7182.977927][ C2] __mptcp_retrans+0x42a/0x960 [ 7182.977933][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7182.977938][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7182.977945][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7182.977952][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7182.977954][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7182.977957][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7182.977960][ C2] ? lock_acquire+0x10c/0x170 [ 7182.977963][ C2] ? release_sock+0x1f/0x1d0 [ 7182.977968][ C2] release_sock+0x17f/0x1d0 [ 7182.977972][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7182.977979][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7182.977983][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7182.977987][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7182.977992][ C2] ? find_held_lock+0x2b/0x80 [ 7182.977996][ C2] sock_write_iter+0x3c1/0x520 [ 7182.978002][ C2] ? __up_write+0x1ad/0x530 [ 7182.978007][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7182.978013][ C2] ? ksys_write+0xf7/0x1d0 [ 7182.978019][ C2] vfs_write+0xc0c/0x1210 [ 7182.978022][ C2] ? ksys_write+0x137/0x1d0 [ 7182.978025][ C2] ? __lock_release+0x5d/0x170 [ 7182.978029][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7182.978033][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7182.978040][ C2] ksys_write+0x183/0x1d0 [ 7182.978043][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7182.978046][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7182.978053][ C2] do_syscall_64+0xc1/0x380 [ 7182.978056][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7182.978060][ C2] RIP: 0033:0x7f492fa5f337 [ 7182.978066][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7182.978067][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7182.978070][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7182.978073][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7182.978075][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7182.978076][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7182.978078][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7182.978085][ C2] [ 7208.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4627s! [mptcp_connect:16967] [ 7208.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7208.512925][ C2] irq event stamp: 66996 [ 7208.512927][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7208.512935][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7208.512940][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7208.512944][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7208.512950][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7208.512955][ C2] Tainted: [L]=SOFTLOCKUP [ 7208.512956][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7208.512959][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7208.512963][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7208.512967][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7208.512970][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7208.512972][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7208.512974][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7208.512977][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7208.512979][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7208.512981][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7208.512984][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7208.512988][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7208.512990][ C2] PKRU: 55555554 [ 7208.512991][ C2] Call Trace: [ 7208.512993][ C2] [ 7208.512997][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7208.513004][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7208.513009][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7208.513012][ C2] ? lock_acquire+0x10c/0x170 [ 7208.513015][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7208.513020][ C2] mptcp_try_fallback+0x14b/0x360 [ 7208.513024][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7208.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7208.513034][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7208.513037][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7208.513042][ C2] __mptcp_retrans+0x42a/0x960 [ 7208.513048][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7208.513053][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7208.513059][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7208.513066][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7208.513069][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7208.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7208.513075][ C2] ? lock_acquire+0x10c/0x170 [ 7208.513078][ C2] ? release_sock+0x1f/0x1d0 [ 7208.513083][ C2] release_sock+0x17f/0x1d0 [ 7208.513087][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7208.513095][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7208.513098][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7208.513102][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7208.513107][ C2] ? find_held_lock+0x2b/0x80 [ 7208.513111][ C2] sock_write_iter+0x3c1/0x520 [ 7208.513116][ C2] ? __up_write+0x1ad/0x530 [ 7208.513120][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7208.513127][ C2] ? ksys_write+0xf7/0x1d0 [ 7208.513132][ C2] vfs_write+0xc0c/0x1210 [ 7208.513136][ C2] ? ksys_write+0x137/0x1d0 [ 7208.513139][ C2] ? __lock_release+0x5d/0x170 [ 7208.513142][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7208.513146][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7208.513154][ C2] ksys_write+0x183/0x1d0 [ 7208.513157][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7208.513160][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7208.513167][ C2] do_syscall_64+0xc1/0x380 [ 7208.513170][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7208.513174][ C2] RIP: 0033:0x7f492fa5f337 [ 7208.513178][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7208.513180][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7208.513183][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7208.513185][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7208.513188][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7208.513190][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7208.513192][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7208.513198][ C2] [ 7222.703486][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4950008 jiffies s: 68497 root: 0x4/. [ 7222.704079][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7222.704344][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7222.704541][ C2] NMI backtrace for cpu 2 [ 7222.704548][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7222.704553][ C2] Tainted: [L]=SOFTLOCKUP [ 7222.704555][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7222.704557][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7222.704565][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7222.704569][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7222.704572][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7222.704574][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7222.704577][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7222.704579][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7222.704581][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7222.704583][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7222.704586][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7222.704589][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7222.704592][ C2] PKRU: 55555554 [ 7222.704593][ C2] Call Trace: [ 7222.704595][ C2] [ 7222.704598][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7222.704606][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7222.704611][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7222.704614][ C2] ? lock_acquire+0x10c/0x170 [ 7222.704618][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7222.704623][ C2] mptcp_try_fallback+0x14b/0x360 [ 7222.704627][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7222.704633][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7222.704636][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7222.704639][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7222.704644][ C2] __mptcp_retrans+0x42a/0x960 [ 7222.704650][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7222.704655][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7222.704660][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7222.704667][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7222.704670][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7222.704673][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7222.704676][ C2] ? lock_acquire+0x10c/0x170 [ 7222.704679][ C2] ? release_sock+0x1f/0x1d0 [ 7222.704684][ C2] release_sock+0x17f/0x1d0 [ 7222.704688][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7222.704696][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7222.704700][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7222.704704][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7222.704709][ C2] ? find_held_lock+0x2b/0x80 [ 7222.704713][ C2] sock_write_iter+0x3c1/0x520 [ 7222.704717][ C2] ? __up_write+0x1ad/0x530 [ 7222.704721][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7222.704728][ C2] ? ksys_write+0xf7/0x1d0 [ 7222.704733][ C2] vfs_write+0xc0c/0x1210 [ 7222.704737][ C2] ? ksys_write+0x137/0x1d0 [ 7222.704739][ C2] ? __lock_release+0x5d/0x170 [ 7222.704743][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7222.704747][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7222.704754][ C2] ksys_write+0x183/0x1d0 [ 7222.704758][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7222.704761][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7222.704766][ C2] do_syscall_64+0xc1/0x380 [ 7222.704770][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7222.704773][ C2] RIP: 0033:0x7f492fa5f337 [ 7222.704778][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7222.704780][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7222.704783][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7222.704785][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7222.704788][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7222.704790][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7222.704792][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7222.704798][ C2] [ 7248.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4664s! [mptcp_connect:16967] [ 7248.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7248.512934][ C2] irq event stamp: 66996 [ 7248.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7248.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7248.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7248.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7248.512970][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7248.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 7248.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7248.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7248.512985][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7248.512988][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7248.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7248.512994][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7248.512996][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7248.512998][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7248.513000][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7248.513002][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7248.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7248.513009][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7248.513011][ C2] PKRU: 55555554 [ 7248.513012][ C2] Call Trace: [ 7248.513016][ C2] [ 7248.513020][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7248.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7248.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7248.513037][ C2] ? lock_acquire+0x10c/0x170 [ 7248.513042][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7248.513047][ C2] mptcp_try_fallback+0x14b/0x360 [ 7248.513051][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7248.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7248.513060][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7248.513063][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7248.513067][ C2] __mptcp_retrans+0x42a/0x960 [ 7248.513073][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7248.513078][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7248.513087][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7248.513094][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7248.513097][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7248.513100][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7248.513102][ C2] ? lock_acquire+0x10c/0x170 [ 7248.513105][ C2] ? release_sock+0x1f/0x1d0 [ 7248.513112][ C2] release_sock+0x17f/0x1d0 [ 7248.513116][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7248.513123][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7248.513127][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7248.513130][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7248.513137][ C2] ? find_held_lock+0x2b/0x80 [ 7248.513142][ C2] sock_write_iter+0x3c1/0x520 [ 7248.513149][ C2] ? __up_write+0x1ad/0x530 [ 7248.513154][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7248.513160][ C2] ? ksys_write+0xf7/0x1d0 [ 7248.513168][ C2] vfs_write+0xc0c/0x1210 [ 7248.513172][ C2] ? ksys_write+0x137/0x1d0 [ 7248.513175][ C2] ? __lock_release+0x5d/0x170 [ 7248.513178][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7248.513182][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7248.513189][ C2] ksys_write+0x183/0x1d0 [ 7248.513192][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7248.513195][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7248.513202][ C2] do_syscall_64+0xc1/0x380 [ 7248.513207][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7248.513212][ C2] RIP: 0033:0x7f492fa5f337 [ 7248.513221][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7248.513223][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7248.513226][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7248.513228][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7248.513229][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7248.513231][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7248.513233][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7248.513239][ C2] [ 7260.981497][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7260.982003][ C2] rcu: 2-....: (5013731 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1715113 [ 7260.982379][ C2] rcu: (t=5018318 jiffies g=1296501 q=87939 ncpus=4) [ 7260.982597][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7260.982603][ C2] Tainted: [L]=SOFTLOCKUP [ 7260.982605][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7260.982607][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7260.982617][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7260.982620][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7260.982624][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7260.982626][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7260.982628][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7260.982630][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7260.982632][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7260.982634][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7260.982636][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7260.982640][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7260.982642][ C2] PKRU: 55555554 [ 7260.982643][ C2] Call Trace: [ 7260.982645][ C2] [ 7260.982647][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7260.982654][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7260.982660][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7260.982662][ C2] ? lock_acquire+0x10c/0x170 [ 7260.982667][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7260.982674][ C2] mptcp_try_fallback+0x14b/0x360 [ 7260.982677][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7260.982684][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7260.982686][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7260.982689][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7260.982694][ C2] __mptcp_retrans+0x42a/0x960 [ 7260.982699][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7260.982704][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7260.982713][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7260.982720][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7260.982722][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7260.982725][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7260.982727][ C2] ? lock_acquire+0x10c/0x170 [ 7260.982730][ C2] ? release_sock+0x1f/0x1d0 [ 7260.982737][ C2] release_sock+0x17f/0x1d0 [ 7260.982740][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7260.982746][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7260.982750][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7260.982754][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7260.982761][ C2] ? find_held_lock+0x2b/0x80 [ 7260.982765][ C2] sock_write_iter+0x3c1/0x520 [ 7260.982770][ C2] ? __up_write+0x1ad/0x530 [ 7260.982776][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7260.982782][ C2] ? ksys_write+0xf7/0x1d0 [ 7260.982790][ C2] vfs_write+0xc0c/0x1210 [ 7260.982793][ C2] ? ksys_write+0x137/0x1d0 [ 7260.982795][ C2] ? __lock_release+0x5d/0x170 [ 7260.982799][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7260.982802][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7260.982809][ C2] ksys_write+0x183/0x1d0 [ 7260.982812][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7260.982815][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7260.982822][ C2] do_syscall_64+0xc1/0x380 [ 7260.982826][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7260.982829][ C2] RIP: 0033:0x7f492fa5f337 [ 7260.982836][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7260.982838][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7260.982841][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7260.982843][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7260.982845][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7260.982847][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7260.982849][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7260.982854][ C2] [ 7288.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4701s! [mptcp_connect:16967] [ 7288.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7288.512933][ C2] irq event stamp: 66996 [ 7288.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7288.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7288.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7288.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7288.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7288.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 7288.512971][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7288.512973][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7288.512979][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7288.512982][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7288.512985][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7288.512988][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7288.512990][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7288.512991][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7288.512993][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7288.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7288.512998][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7288.513002][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7288.513004][ C2] PKRU: 55555554 [ 7288.513005][ C2] Call Trace: [ 7288.513009][ C2] [ 7288.513013][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7288.513020][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7288.513026][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7288.513028][ C2] ? lock_acquire+0x10c/0x170 [ 7288.513032][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7288.513037][ C2] mptcp_try_fallback+0x14b/0x360 [ 7288.513041][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7288.513047][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7288.513050][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7288.513053][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7288.513057][ C2] __mptcp_retrans+0x42a/0x960 [ 7288.513063][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7288.513068][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7288.513076][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7288.513083][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7288.513085][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7288.513088][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7288.513091][ C2] ? lock_acquire+0x10c/0x170 [ 7288.513093][ C2] ? release_sock+0x1f/0x1d0 [ 7288.513100][ C2] release_sock+0x17f/0x1d0 [ 7288.513104][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7288.513112][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7288.513115][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7288.513119][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7288.513125][ C2] ? find_held_lock+0x2b/0x80 [ 7288.513129][ C2] sock_write_iter+0x3c1/0x520 [ 7288.513135][ C2] ? __up_write+0x1ad/0x530 [ 7288.513140][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7288.513146][ C2] ? ksys_write+0xf7/0x1d0 [ 7288.513152][ C2] vfs_write+0xc0c/0x1210 [ 7288.513156][ C2] ? ksys_write+0x137/0x1d0 [ 7288.513158][ C2] ? __lock_release+0x5d/0x170 [ 7288.513162][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7288.513165][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7288.513172][ C2] ksys_write+0x183/0x1d0 [ 7288.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7288.513178][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7288.513185][ C2] do_syscall_64+0xc1/0x380 [ 7288.513190][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7288.513194][ C2] RIP: 0033:0x7f492fa5f337 [ 7288.513202][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7288.513204][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7288.513207][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7288.513209][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7288.513211][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7288.513213][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7288.513214][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7288.513220][ C2] [ 7316.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4728s! [mptcp_connect:16967] [ 7316.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7316.512931][ C2] irq event stamp: 66996 [ 7316.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7316.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7316.512947][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7316.512952][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7316.512960][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7316.512966][ C2] Tainted: [L]=SOFTLOCKUP [ 7316.512967][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7316.512969][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 7316.512974][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 7316.512977][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7316.512980][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7316.512982][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7316.512984][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7316.512986][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7316.512988][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7316.512990][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7316.512993][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7316.512997][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7316.512999][ C2] PKRU: 55555554 [ 7316.513000][ C2] Call Trace: [ 7316.513004][ C2] [ 7316.513008][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7316.513015][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7316.513021][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7316.513024][ C2] ? lock_acquire+0x10c/0x170 [ 7316.513027][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7316.513032][ C2] mptcp_try_fallback+0x14b/0x360 [ 7316.513036][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7316.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7316.513045][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7316.513048][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7316.513052][ C2] __mptcp_retrans+0x42a/0x960 [ 7316.513058][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7316.513062][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7316.513070][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7316.513077][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7316.513080][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7316.513083][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7316.513085][ C2] ? lock_acquire+0x10c/0x170 [ 7316.513088][ C2] ? release_sock+0x1f/0x1d0 [ 7316.513095][ C2] release_sock+0x17f/0x1d0 [ 7316.513098][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7316.513105][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7316.513109][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7316.513113][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7316.513119][ C2] ? find_held_lock+0x2b/0x80 [ 7316.513122][ C2] sock_write_iter+0x3c1/0x520 [ 7316.513127][ C2] ? __up_write+0x1ad/0x530 [ 7316.513132][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7316.513138][ C2] ? ksys_write+0xf7/0x1d0 [ 7316.513145][ C2] vfs_write+0xc0c/0x1210 [ 7316.513148][ C2] ? ksys_write+0x137/0x1d0 [ 7316.513151][ C2] ? __lock_release+0x5d/0x170 [ 7316.513154][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7316.513158][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7316.513165][ C2] ksys_write+0x183/0x1d0 [ 7316.513168][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7316.513170][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7316.513177][ C2] do_syscall_64+0xc1/0x380 [ 7316.513181][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7316.513185][ C2] RIP: 0033:0x7f492fa5f337 [ 7316.513194][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7316.513195][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7316.513199][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7316.513201][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7316.513202][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7316.513204][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7316.513206][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7316.513212][ C2] [ 7321.007535][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5048312 jiffies s: 68497 root: 0x4/. [ 7321.008171][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7321.008369][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7321.008663][ C2] NMI backtrace for cpu 2 [ 7321.008670][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7321.008675][ C2] Tainted: [L]=SOFTLOCKUP [ 7321.008677][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7321.008678][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7321.008686][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7321.008689][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7321.008692][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7321.008694][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7321.008696][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7321.008698][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7321.008700][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7321.008702][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7321.008704][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7321.008708][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7321.008710][ C2] PKRU: 55555554 [ 7321.008711][ C2] Call Trace: [ 7321.008713][ C2] [ 7321.008716][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7321.008723][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7321.008727][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7321.008730][ C2] ? lock_acquire+0x10c/0x170 [ 7321.008733][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7321.008738][ C2] mptcp_try_fallback+0x14b/0x360 [ 7321.008742][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7321.008748][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7321.008750][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7321.008753][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7321.008758][ C2] __mptcp_retrans+0x42a/0x960 [ 7321.008763][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7321.008768][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7321.008774][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7321.008780][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7321.008783][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7321.008786][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7321.008788][ C2] ? lock_acquire+0x10c/0x170 [ 7321.008791][ C2] ? release_sock+0x1f/0x1d0 [ 7321.008796][ C2] release_sock+0x17f/0x1d0 [ 7321.008800][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7321.008806][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7321.008810][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7321.008814][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7321.008818][ C2] ? find_held_lock+0x2b/0x80 [ 7321.008822][ C2] sock_write_iter+0x3c1/0x520 [ 7321.008827][ C2] ? __up_write+0x1ad/0x530 [ 7321.008831][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7321.008837][ C2] ? ksys_write+0xf7/0x1d0 [ 7321.008842][ C2] vfs_write+0xc0c/0x1210 [ 7321.008845][ C2] ? ksys_write+0x137/0x1d0 [ 7321.008848][ C2] ? __lock_release+0x5d/0x170 [ 7321.008851][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7321.008855][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7321.008861][ C2] ksys_write+0x183/0x1d0 [ 7321.008865][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7321.008867][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7321.008873][ C2] do_syscall_64+0xc1/0x380 [ 7321.008877][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7321.008880][ C2] RIP: 0033:0x7f492fa5f337 [ 7321.008885][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7321.008887][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7321.008890][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7321.008892][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7321.008894][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7321.008895][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7321.008897][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7321.008902][ C2] [ 7338.986475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7338.986822][ C2] rcu: 2-....: (5091679 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1744441 [ 7338.987288][ C2] rcu: (t=5096323 jiffies g=1296501 q=89284 ncpus=4) [ 7338.987526][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7338.987531][ C2] Tainted: [L]=SOFTLOCKUP [ 7338.987533][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7338.987535][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7338.987544][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7338.987547][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7338.987551][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7338.987553][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7338.987555][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7338.987557][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7338.987559][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7338.987561][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7338.987563][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7338.987567][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7338.987570][ C2] PKRU: 55555554 [ 7338.987571][ C2] Call Trace: [ 7338.987572][ C2] [ 7338.987575][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7338.987583][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7338.987588][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7338.987590][ C2] ? lock_acquire+0x10c/0x170 [ 7338.987594][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7338.987601][ C2] mptcp_try_fallback+0x14b/0x360 [ 7338.987604][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7338.987610][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7338.987613][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7338.987616][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7338.987621][ C2] __mptcp_retrans+0x42a/0x960 [ 7338.987626][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7338.987631][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7338.987638][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7338.987645][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7338.987647][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7338.987651][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7338.987653][ C2] ? lock_acquire+0x10c/0x170 [ 7338.987656][ C2] ? release_sock+0x1f/0x1d0 [ 7338.987662][ C2] release_sock+0x17f/0x1d0 [ 7338.987665][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7338.987672][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7338.987676][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7338.987680][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7338.987685][ C2] ? find_held_lock+0x2b/0x80 [ 7338.987689][ C2] sock_write_iter+0x3c1/0x520 [ 7338.987694][ C2] ? __up_write+0x1ad/0x530 [ 7338.987698][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7338.987705][ C2] ? ksys_write+0xf7/0x1d0 [ 7338.987711][ C2] vfs_write+0xc0c/0x1210 [ 7338.987714][ C2] ? ksys_write+0x137/0x1d0 [ 7338.987717][ C2] ? __lock_release+0x5d/0x170 [ 7338.987721][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7338.987724][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7338.987731][ C2] ksys_write+0x183/0x1d0 [ 7338.987734][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7338.987737][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7338.987744][ C2] do_syscall_64+0xc1/0x380 [ 7338.987747][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7338.987750][ C2] RIP: 0033:0x7f492fa5f337 [ 7338.987757][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7338.987759][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7338.987761][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7338.987764][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7338.987766][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7338.987767][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7338.987769][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7338.987775][ C2] [ 7364.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4772s! [mptcp_connect:16967] [ 7364.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7364.512931][ C2] irq event stamp: 66996 [ 7364.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7364.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7364.512947][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7364.512952][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7364.512960][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7364.512965][ C2] Tainted: [L]=SOFTLOCKUP [ 7364.512966][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7364.512968][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7364.512973][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7364.512976][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7364.512980][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7364.512982][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7364.512984][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7364.512986][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7364.512987][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7364.512990][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7364.512992][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7364.512996][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7364.512998][ C2] PKRU: 55555554 [ 7364.512999][ C2] Call Trace: [ 7364.513003][ C2] [ 7364.513007][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7364.513015][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7364.513020][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7364.513023][ C2] ? lock_acquire+0x10c/0x170 [ 7364.513026][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7364.513031][ C2] mptcp_try_fallback+0x14b/0x360 [ 7364.513035][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7364.513042][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7364.513044][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7364.513047][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7364.513051][ C2] __mptcp_retrans+0x42a/0x960 [ 7364.513057][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7364.513062][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7364.513069][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7364.513076][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7364.513079][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7364.513082][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7364.513084][ C2] ? lock_acquire+0x10c/0x170 [ 7364.513087][ C2] ? release_sock+0x1f/0x1d0 [ 7364.513093][ C2] release_sock+0x17f/0x1d0 [ 7364.513097][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7364.513104][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7364.513107][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7364.513111][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7364.513117][ C2] ? find_held_lock+0x2b/0x80 [ 7364.513120][ C2] sock_write_iter+0x3c1/0x520 [ 7364.513126][ C2] ? __up_write+0x1ad/0x530 [ 7364.513130][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7364.513136][ C2] ? ksys_write+0xf7/0x1d0 [ 7364.513143][ C2] vfs_write+0xc0c/0x1210 [ 7364.513147][ C2] ? ksys_write+0x137/0x1d0 [ 7364.513150][ C2] ? __lock_release+0x5d/0x170 [ 7364.513154][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7364.513157][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7364.513164][ C2] ksys_write+0x183/0x1d0 [ 7364.513168][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7364.513170][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7364.513177][ C2] do_syscall_64+0xc1/0x380 [ 7364.513181][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7364.513185][ C2] RIP: 0033:0x7f492fa5f337 [ 7364.513194][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7364.513196][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7364.513199][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7364.513201][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7364.513203][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7364.513205][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7364.513207][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7364.513212][ C2] [ 7392.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4798s! [mptcp_connect:16967] [ 7392.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7392.512931][ C2] irq event stamp: 66996 [ 7392.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7392.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7392.512947][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7392.512953][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7392.512961][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7392.512966][ C2] Tainted: [L]=SOFTLOCKUP [ 7392.512968][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7392.512970][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7392.512975][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7392.512978][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7392.512981][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7392.512983][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7392.512985][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7392.512987][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7392.512989][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7392.512991][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7392.512993][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7392.512998][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7392.513000][ C2] PKRU: 55555554 [ 7392.513001][ C2] Call Trace: [ 7392.513004][ C2] [ 7392.513008][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7392.513016][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7392.513021][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7392.513024][ C2] ? lock_acquire+0x10c/0x170 [ 7392.513028][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7392.513033][ C2] mptcp_try_fallback+0x14b/0x360 [ 7392.513036][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7392.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7392.513045][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7392.513048][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7392.513052][ C2] __mptcp_retrans+0x42a/0x960 [ 7392.513058][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7392.513063][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7392.513070][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7392.513077][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7392.513080][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7392.513083][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7392.513085][ C2] ? lock_acquire+0x10c/0x170 [ 7392.513088][ C2] ? release_sock+0x1f/0x1d0 [ 7392.513094][ C2] release_sock+0x17f/0x1d0 [ 7392.513097][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7392.513105][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7392.513108][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7392.513112][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7392.513117][ C2] ? find_held_lock+0x2b/0x80 [ 7392.513121][ C2] sock_write_iter+0x3c1/0x520 [ 7392.513126][ C2] ? __up_write+0x1ad/0x530 [ 7392.513131][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7392.513137][ C2] ? ksys_write+0xf7/0x1d0 [ 7392.513143][ C2] vfs_write+0xc0c/0x1210 [ 7392.513147][ C2] ? ksys_write+0x137/0x1d0 [ 7392.513149][ C2] ? __lock_release+0x5d/0x170 [ 7392.513153][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7392.513157][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7392.513164][ C2] ksys_write+0x183/0x1d0 [ 7392.513167][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7392.513170][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7392.513176][ C2] do_syscall_64+0xc1/0x380 [ 7392.513181][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7392.513185][ C2] RIP: 0033:0x7f492fa5f337 [ 7392.513193][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7392.513195][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7392.513198][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7392.513200][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7392.513202][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7392.513204][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7392.513205][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7392.513211][ C2] [ 7416.991475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7416.991844][ C2] rcu: 2-....: (5169640 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1773279 [ 7416.992308][ C2] rcu: (t=5174328 jiffies g=1296501 q=90307 ncpus=4) [ 7416.992536][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7416.992542][ C2] Tainted: [L]=SOFTLOCKUP [ 7416.992543][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7416.992546][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 7416.992556][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <72> 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 [ 7416.992559][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 7416.992563][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7416.992565][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7416.992567][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7416.992569][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7416.992571][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7416.992573][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7416.992575][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7416.992578][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7416.992580][ C2] PKRU: 55555554 [ 7416.992582][ C2] Call Trace: [ 7416.992583][ C2] [ 7416.992585][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7416.992593][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7416.992599][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7416.992603][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7416.992606][ C2] ? lock_acquire+0x10c/0x170 [ 7416.992610][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7416.992616][ C2] mptcp_try_fallback+0x14b/0x360 [ 7416.992620][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7416.992626][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7416.992628][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7416.992631][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7416.992635][ C2] __mptcp_retrans+0x42a/0x960 [ 7416.992641][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7416.992646][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7416.992653][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7416.992660][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7416.992663][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7416.992666][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7416.992668][ C2] ? lock_acquire+0x10c/0x170 [ 7416.992671][ C2] ? release_sock+0x1f/0x1d0 [ 7416.992677][ C2] release_sock+0x17f/0x1d0 [ 7416.992680][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7416.992687][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7416.992691][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7416.992695][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7416.992700][ C2] ? find_held_lock+0x2b/0x80 [ 7416.992704][ C2] sock_write_iter+0x3c1/0x520 [ 7416.992709][ C2] ? __up_write+0x1ad/0x530 [ 7416.992713][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7416.992720][ C2] ? ksys_write+0xf7/0x1d0 [ 7416.992725][ C2] vfs_write+0xc0c/0x1210 [ 7416.992728][ C2] ? ksys_write+0x137/0x1d0 [ 7416.992731][ C2] ? __lock_release+0x5d/0x170 [ 7416.992734][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7416.992738][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7416.992744][ C2] ksys_write+0x183/0x1d0 [ 7416.992747][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7416.992750][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7416.992757][ C2] do_syscall_64+0xc1/0x380 [ 7416.992760][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7416.992764][ C2] RIP: 0033:0x7f492fa5f337 [ 7416.992772][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7416.992773][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7416.992776][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7416.992778][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7416.992780][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7416.992782][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7416.992783][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7416.992789][ C2] [ 7419.311523][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5146616 jiffies s: 68497 root: 0x4/. [ 7419.312280][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7419.312561][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7419.312744][ C2] NMI backtrace for cpu 2 [ 7419.312750][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7419.312756][ C2] Tainted: [L]=SOFTLOCKUP [ 7419.312757][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7419.312759][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 7419.312766][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 7419.312769][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 7419.312772][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 7419.312775][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 7419.312777][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 7419.312778][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 7419.312780][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 7419.312783][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7419.312785][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7419.312788][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7419.312790][ C2] PKRU: 55555554 [ 7419.312792][ C2] Call Trace: [ 7419.312794][ C2] [ 7419.312796][ C2] ioapic_ack_level+0xcf/0x3d0 [ 7419.312805][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 7419.312813][ C2] __common_interrupt+0xad/0x1d0 [ 7419.312822][ C2] common_interrupt+0xb9/0xe0 [ 7419.312827][ C2] [ 7419.312828][ C2] [ 7419.312830][ C2] asm_common_interrupt+0x26/0x40 [ 7419.312834][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7419.312839][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7419.312842][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7419.312844][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7419.312846][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7419.312847][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7419.312849][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7419.312851][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7419.312855][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 7419.312861][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7419.312868][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7419.312872][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7419.312874][ C2] ? lock_acquire+0x10c/0x170 [ 7419.312878][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7419.312883][ C2] mptcp_try_fallback+0x14b/0x360 [ 7419.312887][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7419.312893][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7419.312896][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7419.312898][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7419.312903][ C2] __mptcp_retrans+0x42a/0x960 [ 7419.312909][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7419.312914][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7419.312919][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7419.312926][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7419.312929][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7419.312932][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7419.312934][ C2] ? lock_acquire+0x10c/0x170 [ 7419.312937][ C2] ? release_sock+0x1f/0x1d0 [ 7419.312942][ C2] release_sock+0x17f/0x1d0 [ 7419.312946][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7419.312952][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7419.312956][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7419.312960][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7419.312964][ C2] ? find_held_lock+0x2b/0x80 [ 7419.312968][ C2] sock_write_iter+0x3c1/0x520 [ 7419.312972][ C2] ? __up_write+0x1ad/0x530 [ 7419.312976][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7419.312982][ C2] ? ksys_write+0xf7/0x1d0 [ 7419.312987][ C2] vfs_write+0xc0c/0x1210 [ 7419.312990][ C2] ? ksys_write+0x137/0x1d0 [ 7419.312993][ C2] ? __lock_release+0x5d/0x170 [ 7419.312997][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7419.313000][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7419.313007][ C2] ksys_write+0x183/0x1d0 [ 7419.313010][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7419.313013][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7419.313019][ C2] do_syscall_64+0xc1/0x380 [ 7419.313022][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7419.313025][ C2] RIP: 0033:0x7f492fa5f337 [ 7419.313030][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7419.313031][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7419.313034][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7419.313036][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7419.313037][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7419.313039][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7419.313041][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7419.313047][ C2] [ 7444.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4847s! [mptcp_connect:16967] [ 7444.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7444.512930][ C2] irq event stamp: 66996 [ 7444.512931][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7444.512940][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7444.512944][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7444.512949][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7444.512957][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7444.512961][ C2] Tainted: [L]=SOFTLOCKUP [ 7444.512963][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7444.512965][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 7444.512970][ C2] Code: 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 be 04 00 00 00 48 89 ef e8 5d 3f e5 fd <41> 0f b6 06 41 38 c5 7c 08 84 c0 0f 85 8d 07 00 00 8b 45 00 89 44 [ 7444.512972][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000246 [ 7444.512976][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7444.512978][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7444.512980][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7444.512982][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7444.512983][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7444.512985][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7444.512988][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7444.512992][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7444.512994][ C2] PKRU: 55555554 [ 7444.512995][ C2] Call Trace: [ 7444.512998][ C2] [ 7444.513002][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7444.513009][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7444.513014][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7444.513016][ C2] ? lock_acquire+0x10c/0x170 [ 7444.513020][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7444.513025][ C2] mptcp_try_fallback+0x14b/0x360 [ 7444.513028][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7444.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7444.513037][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7444.513040][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7444.513044][ C2] __mptcp_retrans+0x42a/0x960 [ 7444.513050][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7444.513055][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7444.513060][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7444.513067][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7444.513070][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7444.513073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7444.513075][ C2] ? lock_acquire+0x10c/0x170 [ 7444.513078][ C2] ? release_sock+0x1f/0x1d0 [ 7444.513084][ C2] release_sock+0x17f/0x1d0 [ 7444.513087][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7444.513094][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7444.513097][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7444.513101][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7444.513107][ C2] ? find_held_lock+0x2b/0x80 [ 7444.513110][ C2] sock_write_iter+0x3c1/0x520 [ 7444.513115][ C2] ? __up_write+0x1ad/0x530 [ 7444.513119][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7444.513125][ C2] ? ksys_write+0xf7/0x1d0 [ 7444.513131][ C2] vfs_write+0xc0c/0x1210 [ 7444.513135][ C2] ? ksys_write+0x137/0x1d0 [ 7444.513137][ C2] ? __lock_release+0x5d/0x170 [ 7444.513141][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7444.513144][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7444.513151][ C2] ksys_write+0x183/0x1d0 [ 7444.513154][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7444.513157][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7444.513163][ C2] do_syscall_64+0xc1/0x380 [ 7444.513167][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7444.513170][ C2] RIP: 0033:0x7f492fa5f337 [ 7444.513177][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7444.513179][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7444.513182][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7444.513184][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7444.513186][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7444.513188][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7444.513190][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7444.513196][ C2] [ 7472.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4873s! [mptcp_connect:16967] [ 7472.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7472.512933][ C2] irq event stamp: 66996 [ 7472.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7472.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7472.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7472.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7472.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7472.512967][ C2] Tainted: [L]=SOFTLOCKUP [ 7472.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7472.512971][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7472.512976][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7472.512979][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7472.512982][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7472.512984][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7472.512986][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7472.512987][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7472.512989][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7472.512992][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7472.512994][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7472.513005][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7472.513007][ C2] PKRU: 55555554 [ 7472.513008][ C2] Call Trace: [ 7472.513012][ C2] [ 7472.513016][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7472.513023][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7472.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7472.513031][ C2] ? lock_acquire+0x10c/0x170 [ 7472.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7472.513039][ C2] mptcp_try_fallback+0x14b/0x360 [ 7472.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7472.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7472.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7472.513055][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7472.513060][ C2] __mptcp_retrans+0x42a/0x960 [ 7472.513065][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7472.513070][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7472.513077][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7472.513084][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7472.513087][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7472.513090][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7472.513092][ C2] ? lock_acquire+0x10c/0x170 [ 7472.513095][ C2] ? release_sock+0x1f/0x1d0 [ 7472.513101][ C2] release_sock+0x17f/0x1d0 [ 7472.513105][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7472.513112][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7472.513115][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7472.513119][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7472.513125][ C2] ? find_held_lock+0x2b/0x80 [ 7472.513128][ C2] sock_write_iter+0x3c1/0x520 [ 7472.513134][ C2] ? __up_write+0x1ad/0x530 [ 7472.513138][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7472.513144][ C2] ? ksys_write+0xf7/0x1d0 [ 7472.513151][ C2] vfs_write+0xc0c/0x1210 [ 7472.513155][ C2] ? ksys_write+0x137/0x1d0 [ 7472.513157][ C2] ? __lock_release+0x5d/0x170 [ 7472.513161][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7472.513164][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7472.513171][ C2] ksys_write+0x183/0x1d0 [ 7472.513175][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7472.513177][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7472.513184][ C2] do_syscall_64+0xc1/0x380 [ 7472.513188][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7472.513192][ C2] RIP: 0033:0x7f492fa5f337 [ 7472.513201][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7472.513203][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7472.513206][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7472.513208][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7472.513210][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7472.513212][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7472.513214][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7472.513219][ C2] [ 7494.996475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7494.996974][ C2] rcu: 2-....: (5247585 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1802001 [ 7494.997320][ C2] rcu: (t=5252333 jiffies g=1296501 q=91736 ncpus=4) [ 7494.997542][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7494.997547][ C2] Tainted: [L]=SOFTLOCKUP [ 7494.997549][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7494.997551][ C2] RIP: 0010:kasan_check_range+0x4/0x1c0 [ 7494.997560][ C2] Code: 00 00 e9 bf c5 18 02 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <48> 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 [ 7494.997563][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 7494.997566][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7494.997568][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7494.997570][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7494.997572][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7494.997574][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7494.997576][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7494.997578][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7494.997582][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7494.997583][ C2] PKRU: 55555554 [ 7494.997585][ C2] Call Trace: [ 7494.997586][ C2] [ 7494.997588][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7494.997595][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7494.997602][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7494.997606][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7494.997609][ C2] ? lock_acquire+0x10c/0x170 [ 7494.997613][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7494.997620][ C2] mptcp_try_fallback+0x14b/0x360 [ 7494.997623][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7494.997629][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7494.997631][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7494.997634][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7494.997639][ C2] __mptcp_retrans+0x42a/0x960 [ 7494.997644][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7494.997649][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7494.997655][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7494.997662][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7494.997665][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7494.997668][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7494.997670][ C2] ? lock_acquire+0x10c/0x170 [ 7494.997673][ C2] ? release_sock+0x1f/0x1d0 [ 7494.997679][ C2] release_sock+0x17f/0x1d0 [ 7494.997682][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7494.997689][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7494.997693][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7494.997696][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7494.997701][ C2] ? find_held_lock+0x2b/0x80 [ 7494.997705][ C2] sock_write_iter+0x3c1/0x520 [ 7494.997710][ C2] ? __up_write+0x1ad/0x530 [ 7494.997714][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7494.997720][ C2] ? ksys_write+0xf7/0x1d0 [ 7494.997726][ C2] vfs_write+0xc0c/0x1210 [ 7494.997729][ C2] ? ksys_write+0x137/0x1d0 [ 7494.997731][ C2] ? __lock_release+0x5d/0x170 [ 7494.997735][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7494.997738][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7494.997745][ C2] ksys_write+0x183/0x1d0 [ 7494.997748][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7494.997751][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7494.997757][ C2] do_syscall_64+0xc1/0x380 [ 7494.997761][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7494.997764][ C2] RIP: 0033:0x7f492fa5f337 [ 7494.997772][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7494.997774][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7494.997777][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7494.997778][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7494.997780][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7494.997782][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7494.997784][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7494.997790][ C2] [ 7517.615533][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5244920 jiffies s: 68497 root: 0x4/. [ 7517.616349][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7517.616643][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7517.616832][ C2] NMI backtrace for cpu 2 [ 7517.616843][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7517.616850][ C2] Tainted: [L]=SOFTLOCKUP [ 7517.616851][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7517.616853][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7517.616863][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7517.616867][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7517.616871][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7517.616873][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7517.616875][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7517.616877][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7517.616879][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7517.616881][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7517.616883][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7517.616887][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7517.616889][ C2] PKRU: 55555554 [ 7517.616890][ C2] Call Trace: [ 7517.616894][ C2] [ 7517.616898][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7517.616906][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7517.616911][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7517.616914][ C2] ? lock_acquire+0x10c/0x170 [ 7517.616918][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7517.616924][ C2] mptcp_try_fallback+0x14b/0x360 [ 7517.616928][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7517.616935][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7517.616938][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7517.616941][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7517.616946][ C2] __mptcp_retrans+0x42a/0x960 [ 7517.616951][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7517.616956][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7517.616963][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7517.616970][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7517.616973][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7517.616976][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7517.616979][ C2] ? lock_acquire+0x10c/0x170 [ 7517.616982][ C2] ? release_sock+0x1f/0x1d0 [ 7517.616987][ C2] release_sock+0x17f/0x1d0 [ 7517.616991][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7517.616998][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7517.617002][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7517.617006][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7517.617012][ C2] ? find_held_lock+0x2b/0x80 [ 7517.617016][ C2] sock_write_iter+0x3c1/0x520 [ 7517.617021][ C2] ? __up_write+0x1ad/0x530 [ 7517.617026][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7517.617032][ C2] ? ksys_write+0xf7/0x1d0 [ 7517.617039][ C2] vfs_write+0xc0c/0x1210 [ 7517.617043][ C2] ? ksys_write+0x137/0x1d0 [ 7517.617045][ C2] ? __lock_release+0x5d/0x170 [ 7517.617050][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7517.617053][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7517.617060][ C2] ksys_write+0x183/0x1d0 [ 7517.617064][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7517.617066][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7517.617073][ C2] do_syscall_64+0xc1/0x380 [ 7517.617077][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7517.617082][ C2] RIP: 0033:0x7f492fa5f337 [ 7517.617090][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7517.617092][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7517.617095][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7517.617097][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7517.617099][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7517.617101][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7517.617103][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7517.617108][ C2] [ 7544.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4940s! [mptcp_connect:16967] [ 7544.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7544.512934][ C2] irq event stamp: 66996 [ 7544.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7544.512946][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7544.512951][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7544.512957][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7544.512965][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7544.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 7544.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7544.512974][ C2] RIP: 0010:kasan_check_range+0x4/0x1c0 [ 7544.512981][ C2] Code: 00 00 e9 bf c5 18 02 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <48> 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 [ 7544.512985][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 7544.512989][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7544.512991][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7544.512993][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7544.512995][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7544.512997][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7544.512999][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7544.513001][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7544.513005][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7544.513006][ C2] PKRU: 55555554 [ 7544.513008][ C2] Call Trace: [ 7544.513012][ C2] [ 7544.513014][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7544.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7544.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7544.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7544.513037][ C2] ? lock_acquire+0x10c/0x170 [ 7544.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7544.513045][ C2] mptcp_try_fallback+0x14b/0x360 [ 7544.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7544.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7544.513059][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7544.513062][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7544.513067][ C2] __mptcp_retrans+0x42a/0x960 [ 7544.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7544.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7544.513085][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7544.513092][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7544.513094][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7544.513097][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7544.513099][ C2] ? lock_acquire+0x10c/0x170 [ 7544.513102][ C2] ? release_sock+0x1f/0x1d0 [ 7544.513108][ C2] release_sock+0x17f/0x1d0 [ 7544.513112][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7544.513120][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7544.513123][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7544.513127][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7544.513132][ C2] ? find_held_lock+0x2b/0x80 [ 7544.513136][ C2] sock_write_iter+0x3c1/0x520 [ 7544.513141][ C2] ? __up_write+0x1ad/0x530 [ 7544.513146][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7544.513153][ C2] ? ksys_write+0xf7/0x1d0 [ 7544.513159][ C2] vfs_write+0xc0c/0x1210 [ 7544.513163][ C2] ? ksys_write+0x137/0x1d0 [ 7544.513165][ C2] ? __lock_release+0x5d/0x170 [ 7544.513169][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7544.513173][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7544.513180][ C2] ksys_write+0x183/0x1d0 [ 7544.513184][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7544.513186][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7544.513193][ C2] do_syscall_64+0xc1/0x380 [ 7544.513197][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7544.513201][ C2] RIP: 0033:0x7f492fa5f337 [ 7544.513210][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7544.513211][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7544.513214][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7544.513217][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7544.513219][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7544.513221][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7544.513223][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7544.513229][ C2] [ 7572.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4966s! [mptcp_connect:16967] [ 7572.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7572.512931][ C2] irq event stamp: 66996 [ 7572.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7572.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7572.512948][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7572.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7572.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7572.512967][ C2] Tainted: [L]=SOFTLOCKUP [ 7572.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7572.512972][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7572.512977][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7572.512980][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7572.512983][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7572.512986][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7572.512988][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7572.512990][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7572.512992][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7572.512994][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7572.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7572.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7572.513003][ C2] PKRU: 55555554 [ 7572.513004][ C2] Call Trace: [ 7572.513008][ C2] [ 7572.513012][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7572.513019][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7572.513024][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7572.513027][ C2] ? lock_acquire+0x10c/0x170 [ 7572.513031][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7572.513036][ C2] mptcp_try_fallback+0x14b/0x360 [ 7572.513040][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7572.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7572.513049][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7572.513052][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7572.513056][ C2] __mptcp_retrans+0x42a/0x960 [ 7572.513062][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7572.513067][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7572.513075][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7572.513082][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7572.513085][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7572.513088][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7572.513091][ C2] ? lock_acquire+0x10c/0x170 [ 7572.513094][ C2] ? release_sock+0x1f/0x1d0 [ 7572.513100][ C2] release_sock+0x17f/0x1d0 [ 7572.513104][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7572.513111][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7572.513115][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7572.513119][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7572.513124][ C2] ? find_held_lock+0x2b/0x80 [ 7572.513129][ C2] sock_write_iter+0x3c1/0x520 [ 7572.513134][ C2] ? __up_write+0x1ad/0x530 [ 7572.513139][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7572.513145][ C2] ? ksys_write+0xf7/0x1d0 [ 7572.513152][ C2] vfs_write+0xc0c/0x1210 [ 7572.513156][ C2] ? ksys_write+0x137/0x1d0 [ 7572.513158][ C2] ? __lock_release+0x5d/0x170 [ 7572.513162][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7572.513166][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7572.513173][ C2] ksys_write+0x183/0x1d0 [ 7572.513177][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7572.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7572.513186][ C2] do_syscall_64+0xc1/0x380 [ 7572.513191][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7572.513195][ C2] RIP: 0033:0x7f492fa5f337 [ 7572.513203][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7572.513204][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7572.513207][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7572.513209][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7572.513212][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7572.513214][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7572.513216][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7572.513222][ C2] [ 7573.001474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7573.001783][ C2] rcu: 2-....: (5325533 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1834726 [ 7573.002131][ C2] rcu: (t=5330338 jiffies g=1296501 q=93087 ncpus=4) [ 7573.002460][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7573.002465][ C2] Tainted: [L]=SOFTLOCKUP [ 7573.002466][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7573.002468][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7573.002475][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7573.002478][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7573.002481][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7573.002483][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7573.002485][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7573.002488][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7573.002490][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7573.002491][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7573.002494][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7573.002497][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7573.002499][ C2] PKRU: 55555554 [ 7573.002500][ C2] Call Trace: [ 7573.002502][ C2] [ 7573.002504][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7573.002511][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7573.002515][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7573.002518][ C2] ? lock_acquire+0x10c/0x170 [ 7573.002522][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7573.002527][ C2] mptcp_try_fallback+0x14b/0x360 [ 7573.002531][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7573.002537][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7573.002539][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7573.002542][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7573.002547][ C2] __mptcp_retrans+0x42a/0x960 [ 7573.002553][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7573.002558][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7573.002564][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7573.002571][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7573.002573][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7573.002576][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7573.002579][ C2] ? lock_acquire+0x10c/0x170 [ 7573.002581][ C2] ? release_sock+0x1f/0x1d0 [ 7573.002586][ C2] release_sock+0x17f/0x1d0 [ 7573.002589][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7573.002596][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7573.002599][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7573.002603][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7573.002607][ C2] ? find_held_lock+0x2b/0x80 [ 7573.002611][ C2] sock_write_iter+0x3c1/0x520 [ 7573.002615][ C2] ? __up_write+0x1ad/0x530 [ 7573.002619][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7573.002626][ C2] ? ksys_write+0xf7/0x1d0 [ 7573.002631][ C2] vfs_write+0xc0c/0x1210 [ 7573.002634][ C2] ? ksys_write+0x137/0x1d0 [ 7573.002636][ C2] ? __lock_release+0x5d/0x170 [ 7573.002640][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7573.002644][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7573.002651][ C2] ksys_write+0x183/0x1d0 [ 7573.002654][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7573.002656][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7573.002662][ C2] do_syscall_64+0xc1/0x380 [ 7573.002666][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7573.002669][ C2] RIP: 0033:0x7f492fa5f337 [ 7573.002673][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7573.002675][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7573.002678][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7573.002680][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7573.002682][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7573.002684][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7573.002686][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7573.002692][ C2] [ 7600.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4992s! [mptcp_connect:16967] [ 7600.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7600.512931][ C2] irq event stamp: 66996 [ 7600.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7600.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7600.512947][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7600.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7600.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7600.512967][ C2] Tainted: [L]=SOFTLOCKUP [ 7600.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7600.512971][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7600.512976][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7600.512980][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7600.512983][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7600.512985][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7600.512987][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7600.512990][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7600.512992][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7600.512994][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7600.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7600.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7600.513003][ C2] PKRU: 55555554 [ 7600.513004][ C2] Call Trace: [ 7600.513008][ C2] [ 7600.513012][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7600.513020][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7600.513026][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7600.513028][ C2] ? lock_acquire+0x10c/0x170 [ 7600.513032][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7600.513037][ C2] mptcp_try_fallback+0x14b/0x360 [ 7600.513041][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7600.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7600.513051][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7600.513054][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7600.513059][ C2] __mptcp_retrans+0x42a/0x960 [ 7600.513064][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7600.513069][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7600.513076][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7600.513083][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7600.513086][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7600.513089][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7600.513092][ C2] ? lock_acquire+0x10c/0x170 [ 7600.513094][ C2] ? release_sock+0x1f/0x1d0 [ 7600.513100][ C2] release_sock+0x17f/0x1d0 [ 7600.513104][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7600.513112][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7600.513116][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7600.513119][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7600.513125][ C2] ? find_held_lock+0x2b/0x80 [ 7600.513129][ C2] sock_write_iter+0x3c1/0x520 [ 7600.513135][ C2] ? __up_write+0x1ad/0x530 [ 7600.513140][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7600.513146][ C2] ? ksys_write+0xf7/0x1d0 [ 7600.513153][ C2] vfs_write+0xc0c/0x1210 [ 7600.513157][ C2] ? ksys_write+0x137/0x1d0 [ 7600.513159][ C2] ? __lock_release+0x5d/0x170 [ 7600.513164][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7600.513167][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7600.513174][ C2] ksys_write+0x183/0x1d0 [ 7600.513178][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7600.513181][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7600.513188][ C2] do_syscall_64+0xc1/0x380 [ 7600.513192][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7600.513197][ C2] RIP: 0033:0x7f492fa5f337 [ 7600.513205][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7600.513207][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7600.513211][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7600.513213][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7600.513215][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7600.513217][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7600.513220][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7600.513225][ C2] [ 7615.920622][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5343225 jiffies s: 68497 root: 0x4/. [ 7615.921411][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7615.921719][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7615.921892][ C2] NMI backtrace for cpu 2 [ 7615.921902][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7615.921908][ C2] Tainted: [L]=SOFTLOCKUP [ 7615.921910][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7615.921913][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7615.921922][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7615.921925][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7615.921928][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7615.921930][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7615.921933][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7615.921935][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7615.921937][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7615.921939][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7615.921942][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7615.921946][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7615.921948][ C2] PKRU: 55555554 [ 7615.921949][ C2] Call Trace: [ 7615.921952][ C2] [ 7615.921956][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7615.921964][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7615.921969][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7615.921972][ C2] ? lock_acquire+0x10c/0x170 [ 7615.921975][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7615.921982][ C2] mptcp_try_fallback+0x14b/0x360 [ 7615.921986][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7615.921992][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7615.921995][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7615.921997][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7615.922002][ C2] __mptcp_retrans+0x42a/0x960 [ 7615.922008][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7615.922013][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7615.922020][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7615.922026][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7615.922029][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7615.922032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7615.922035][ C2] ? lock_acquire+0x10c/0x170 [ 7615.922038][ C2] ? release_sock+0x1f/0x1d0 [ 7615.922044][ C2] release_sock+0x17f/0x1d0 [ 7615.922048][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7615.922055][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7615.922059][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7615.922063][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7615.922069][ C2] ? find_held_lock+0x2b/0x80 [ 7615.922072][ C2] sock_write_iter+0x3c1/0x520 [ 7615.922077][ C2] ? __up_write+0x1ad/0x530 [ 7615.922082][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7615.922088][ C2] ? ksys_write+0xf7/0x1d0 [ 7615.922094][ C2] vfs_write+0xc0c/0x1210 [ 7615.922098][ C2] ? ksys_write+0x137/0x1d0 [ 7615.922101][ C2] ? __lock_release+0x5d/0x170 [ 7615.922105][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7615.922108][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7615.922115][ C2] ksys_write+0x183/0x1d0 [ 7615.922119][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7615.922121][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7615.922127][ C2] do_syscall_64+0xc1/0x380 [ 7615.922130][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7615.922134][ C2] RIP: 0033:0x7f492fa5f337 [ 7615.922142][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7615.922144][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7615.922147][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7615.922149][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7615.922151][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7615.922153][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7615.922156][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7615.922161][ C2] [ 7640.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5029s! [mptcp_connect:16967] [ 7640.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7640.512930][ C2] irq event stamp: 66996 [ 7640.512932][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7640.512942][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7640.512947][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7640.512952][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7640.512959][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7640.512965][ C2] Tainted: [L]=SOFTLOCKUP [ 7640.512966][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7640.512969][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 7640.512974][ C2] Code: 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 be 04 00 00 00 48 89 ef e8 5d 3f e5 fd <41> 0f b6 06 41 38 c5 7c 08 84 c0 0f 85 8d 07 00 00 8b 45 00 89 44 [ 7640.512978][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000246 [ 7640.512981][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7640.512983][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7640.512985][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7640.512988][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7640.512990][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7640.512992][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7640.512995][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7640.512998][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7640.513000][ C2] PKRU: 55555554 [ 7640.513002][ C2] Call Trace: [ 7640.513004][ C2] [ 7640.513008][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7640.513015][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7640.513020][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7640.513023][ C2] ? lock_acquire+0x10c/0x170 [ 7640.513027][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7640.513032][ C2] mptcp_try_fallback+0x14b/0x360 [ 7640.513036][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7640.513042][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7640.513045][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7640.513048][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7640.513053][ C2] __mptcp_retrans+0x42a/0x960 [ 7640.513059][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7640.513064][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7640.513071][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7640.513078][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7640.513081][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7640.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7640.513087][ C2] ? lock_acquire+0x10c/0x170 [ 7640.513089][ C2] ? release_sock+0x1f/0x1d0 [ 7640.513095][ C2] release_sock+0x17f/0x1d0 [ 7640.513099][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7640.513107][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7640.513110][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7640.513114][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7640.513120][ C2] ? find_held_lock+0x2b/0x80 [ 7640.513124][ C2] sock_write_iter+0x3c1/0x520 [ 7640.513129][ C2] ? __up_write+0x1ad/0x530 [ 7640.513134][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7640.513141][ C2] ? ksys_write+0xf7/0x1d0 [ 7640.513147][ C2] vfs_write+0xc0c/0x1210 [ 7640.513151][ C2] ? ksys_write+0x137/0x1d0 [ 7640.513154][ C2] ? __lock_release+0x5d/0x170 [ 7640.513157][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7640.513161][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7640.513168][ C2] ksys_write+0x183/0x1d0 [ 7640.513171][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7640.513174][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7640.513181][ C2] do_syscall_64+0xc1/0x380 [ 7640.513184][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7640.513188][ C2] RIP: 0033:0x7f492fa5f337 [ 7640.513196][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7640.513198][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7640.513201][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7640.513203][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7640.513206][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7640.513208][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7640.513210][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7640.513216][ C2] [ 7651.006475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7651.006842][ C2] rcu: 2-....: (5403480 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1867502 [ 7651.007218][ C2] rcu: (t=5408343 jiffies g=1296501 q=94435 ncpus=4) [ 7651.007570][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7651.007576][ C2] Tainted: [L]=SOFTLOCKUP [ 7651.007577][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7651.007579][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 7651.007588][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 7651.007592][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 7651.007596][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7651.007598][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7651.007600][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7651.007603][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7651.007605][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7651.007607][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7651.007610][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7651.007614][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7651.007616][ C2] PKRU: 55555554 [ 7651.007617][ C2] Call Trace: [ 7651.007619][ C2] [ 7651.007621][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7651.007629][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7651.007636][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7651.007641][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7651.007643][ C2] ? lock_acquire+0x10c/0x170 [ 7651.007648][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7651.007654][ C2] mptcp_try_fallback+0x14b/0x360 [ 7651.007658][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7651.007664][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7651.007667][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7651.007670][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7651.007675][ C2] __mptcp_retrans+0x42a/0x960 [ 7651.007681][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7651.007686][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7651.007693][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7651.007700][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7651.007703][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7651.007706][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7651.007709][ C2] ? lock_acquire+0x10c/0x170 [ 7651.007712][ C2] ? release_sock+0x1f/0x1d0 [ 7651.007718][ C2] release_sock+0x17f/0x1d0 [ 7651.007722][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7651.007729][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7651.007733][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7651.007737][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7651.007743][ C2] ? find_held_lock+0x2b/0x80 [ 7651.007747][ C2] sock_write_iter+0x3c1/0x520 [ 7651.007752][ C2] ? __up_write+0x1ad/0x530 [ 7651.007756][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7651.007763][ C2] ? ksys_write+0xf7/0x1d0 [ 7651.007768][ C2] vfs_write+0xc0c/0x1210 [ 7651.007771][ C2] ? ksys_write+0x137/0x1d0 [ 7651.007774][ C2] ? __lock_release+0x5d/0x170 [ 7651.007778][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7651.007782][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7651.007789][ C2] ksys_write+0x183/0x1d0 [ 7651.007792][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7651.007795][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7651.007801][ C2] do_syscall_64+0xc1/0x380 [ 7651.007805][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7651.007809][ C2] RIP: 0033:0x7f492fa5f337 [ 7651.007817][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7651.007818][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7651.007822][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7651.007824][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7651.007827][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7651.007829][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7651.007831][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7651.007838][ C2] [ 7676.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5063s! [mptcp_connect:16967] [ 7676.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7676.512929][ C2] irq event stamp: 66996 [ 7676.512931][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7676.512941][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7676.512945][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7676.512951][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7676.512959][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7676.512964][ C2] Tainted: [L]=SOFTLOCKUP [ 7676.512966][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7676.512968][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7676.512973][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7676.512976][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7676.512979][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7676.512981][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7676.512983][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7676.512985][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7676.512988][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7676.512990][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7676.512993][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7676.512997][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7676.512999][ C2] PKRU: 55555554 [ 7676.513000][ C2] Call Trace: [ 7676.513003][ C2] [ 7676.513006][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7676.513013][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7676.513019][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7676.513021][ C2] ? lock_acquire+0x10c/0x170 [ 7676.513025][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7676.513030][ C2] mptcp_try_fallback+0x14b/0x360 [ 7676.513034][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7676.513040][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7676.513043][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7676.513045][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7676.513050][ C2] __mptcp_retrans+0x42a/0x960 [ 7676.513056][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7676.513061][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7676.513068][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7676.513075][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7676.513078][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7676.513081][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7676.513083][ C2] ? lock_acquire+0x10c/0x170 [ 7676.513086][ C2] ? release_sock+0x1f/0x1d0 [ 7676.513092][ C2] release_sock+0x17f/0x1d0 [ 7676.513096][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7676.513103][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7676.513107][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7676.513111][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7676.513117][ C2] ? find_held_lock+0x2b/0x80 [ 7676.513121][ C2] sock_write_iter+0x3c1/0x520 [ 7676.513126][ C2] ? __up_write+0x1ad/0x530 [ 7676.513131][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7676.513137][ C2] ? ksys_write+0xf7/0x1d0 [ 7676.513143][ C2] vfs_write+0xc0c/0x1210 [ 7676.513147][ C2] ? ksys_write+0x137/0x1d0 [ 7676.513149][ C2] ? __lock_release+0x5d/0x170 [ 7676.513153][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7676.513157][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7676.513164][ C2] ksys_write+0x183/0x1d0 [ 7676.513167][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7676.513170][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7676.513176][ C2] do_syscall_64+0xc1/0x380 [ 7676.513180][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7676.513184][ C2] RIP: 0033:0x7f492fa5f337 [ 7676.513192][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7676.513194][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7676.513197][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7676.513200][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7676.513202][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7676.513204][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7676.513206][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7676.513212][ C2] [ 7704.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5089s! [mptcp_connect:16967] [ 7704.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7704.512935][ C2] irq event stamp: 66996 [ 7704.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7704.512947][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7704.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7704.512958][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7704.512967][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7704.512973][ C2] Tainted: [L]=SOFTLOCKUP [ 7704.512975][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7704.512977][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7704.512983][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7704.512987][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7704.512990][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7704.512992][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7704.512995][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7704.512997][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7704.512999][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7704.513002][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7704.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7704.513009][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7704.513011][ C2] PKRU: 55555554 [ 7704.513013][ C2] Call Trace: [ 7704.513017][ C2] [ 7704.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7704.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7704.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7704.513038][ C2] ? lock_acquire+0x10c/0x170 [ 7704.513042][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7704.513047][ C2] mptcp_try_fallback+0x14b/0x360 [ 7704.513052][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7704.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7704.513061][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7704.513064][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7704.513070][ C2] __mptcp_retrans+0x42a/0x960 [ 7704.513076][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7704.513081][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7704.513089][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7704.513096][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7704.513099][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7704.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7704.513105][ C2] ? lock_acquire+0x10c/0x170 [ 7704.513108][ C2] ? release_sock+0x1f/0x1d0 [ 7704.513114][ C2] release_sock+0x17f/0x1d0 [ 7704.513118][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7704.513126][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7704.513130][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7704.513134][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7704.513140][ C2] ? find_held_lock+0x2b/0x80 [ 7704.513144][ C2] sock_write_iter+0x3c1/0x520 [ 7704.513149][ C2] ? __up_write+0x1ad/0x530 [ 7704.513154][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7704.513161][ C2] ? ksys_write+0xf7/0x1d0 [ 7704.513168][ C2] vfs_write+0xc0c/0x1210 [ 7704.513172][ C2] ? ksys_write+0x137/0x1d0 [ 7704.513175][ C2] ? __lock_release+0x5d/0x170 [ 7704.513179][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7704.513183][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7704.513191][ C2] ksys_write+0x183/0x1d0 [ 7704.513195][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7704.513198][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7704.513205][ C2] do_syscall_64+0xc1/0x380 [ 7704.513210][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7704.513214][ C2] RIP: 0033:0x7f492fa5f337 [ 7704.513223][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7704.513225][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7704.513228][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7704.513231][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7704.513233][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7704.513235][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7704.513238][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7704.513244][ C2] [ 7714.224487][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5441529 jiffies s: 68497 root: 0x4/. [ 7714.225036][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7714.225209][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7714.225361][ C2] NMI backtrace for cpu 2 [ 7714.225370][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7714.225376][ C2] Tainted: [L]=SOFTLOCKUP [ 7714.225377][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7714.225380][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7714.225389][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7714.225392][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7714.225397][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7714.225399][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7714.225401][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7714.225404][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7714.225406][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7714.225408][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7714.225411][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7714.225414][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7714.225417][ C2] PKRU: 55555554 [ 7714.225418][ C2] Call Trace: [ 7714.225420][ C2] [ 7714.225424][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7714.225432][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7714.225437][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7714.225440][ C2] ? lock_acquire+0x10c/0x170 [ 7714.225444][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7714.225451][ C2] mptcp_try_fallback+0x14b/0x360 [ 7714.225455][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7714.225461][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7714.225464][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7714.225467][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7714.225473][ C2] __mptcp_retrans+0x42a/0x960 [ 7714.225479][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7714.225484][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7714.225492][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7714.225499][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7714.225502][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7714.225505][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7714.225508][ C2] ? lock_acquire+0x10c/0x170 [ 7714.225511][ C2] ? release_sock+0x1f/0x1d0 [ 7714.225517][ C2] release_sock+0x17f/0x1d0 [ 7714.225521][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7714.225528][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7714.225533][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7714.225536][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7714.225542][ C2] ? find_held_lock+0x2b/0x80 [ 7714.225546][ C2] sock_write_iter+0x3c1/0x520 [ 7714.225551][ C2] ? __up_write+0x1ad/0x530 [ 7714.225556][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7714.225562][ C2] ? ksys_write+0xf7/0x1d0 [ 7714.225569][ C2] vfs_write+0xc0c/0x1210 [ 7714.225572][ C2] ? ksys_write+0x137/0x1d0 [ 7714.225575][ C2] ? __lock_release+0x5d/0x170 [ 7714.225579][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7714.225583][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7714.225590][ C2] ksys_write+0x183/0x1d0 [ 7714.225594][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7714.225596][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7714.225603][ C2] do_syscall_64+0xc1/0x380 [ 7714.225607][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7714.225611][ C2] RIP: 0033:0x7f492fa5f337 [ 7714.225619][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7714.225621][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7714.225625][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7714.225627][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7714.225629][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7714.225632][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7714.225634][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7714.225640][ C2] [ 7729.011500][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7729.011862][ C2] rcu: 2-....: (5481425 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1905526 [ 7729.012226][ C2] rcu: (t=5486348 jiffies g=1296501 q=95783 ncpus=4) [ 7729.012568][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7729.012574][ C2] Tainted: [L]=SOFTLOCKUP [ 7729.012576][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7729.012578][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7729.012589][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7729.012592][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7729.012596][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7729.012599][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7729.012601][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7729.012603][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7729.012605][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7729.012607][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7729.012610][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7729.012614][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7729.012616][ C2] PKRU: 55555554 [ 7729.012617][ C2] Call Trace: [ 7729.012619][ C2] [ 7729.012621][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7729.012629][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7729.012634][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7729.012637][ C2] ? lock_acquire+0x10c/0x170 [ 7729.012641][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7729.012647][ C2] mptcp_try_fallback+0x14b/0x360 [ 7729.012651][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7729.012657][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7729.012660][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7729.012663][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7729.012668][ C2] __mptcp_retrans+0x42a/0x960 [ 7729.012673][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7729.012678][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7729.012685][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7729.012693][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7729.012696][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7729.012699][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7729.012702][ C2] ? lock_acquire+0x10c/0x170 [ 7729.012705][ C2] ? release_sock+0x1f/0x1d0 [ 7729.012711][ C2] release_sock+0x17f/0x1d0 [ 7729.012714][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7729.012722][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7729.012725][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7729.012729][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7729.012735][ C2] ? find_held_lock+0x2b/0x80 [ 7729.012739][ C2] sock_write_iter+0x3c1/0x520 [ 7729.012743][ C2] ? __up_write+0x1ad/0x530 [ 7729.012748][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7729.012754][ C2] ? ksys_write+0xf7/0x1d0 [ 7729.012760][ C2] vfs_write+0xc0c/0x1210 [ 7729.012764][ C2] ? ksys_write+0x137/0x1d0 [ 7729.012766][ C2] ? __lock_release+0x5d/0x170 [ 7729.012770][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7729.012774][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7729.012781][ C2] ksys_write+0x183/0x1d0 [ 7729.012784][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7729.012787][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7729.012794][ C2] do_syscall_64+0xc1/0x380 [ 7729.012798][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7729.012802][ C2] RIP: 0033:0x7f492fa5f337 [ 7729.012810][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7729.012812][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7729.012816][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7729.012818][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7729.012820][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7729.012823][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7729.012825][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7729.012831][ C2] [ 7756.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5137s! [mptcp_connect:16967] [ 7756.512913][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7756.512929][ C2] irq event stamp: 66996 [ 7756.512931][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7756.512940][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7756.512945][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7756.512950][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7756.512958][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7756.512964][ C2] Tainted: [L]=SOFTLOCKUP [ 7756.512965][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7756.512968][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7756.512973][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7756.512976][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7756.512980][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7756.512982][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7756.512984][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7756.512986][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7756.512989][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7756.512991][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7756.512994][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7756.512998][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7756.513000][ C2] PKRU: 55555554 [ 7756.513001][ C2] Call Trace: [ 7756.513004][ C2] [ 7756.513008][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7756.513016][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7756.513021][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7756.513024][ C2] ? lock_acquire+0x10c/0x170 [ 7756.513028][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7756.513033][ C2] mptcp_try_fallback+0x14b/0x360 [ 7756.513037][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7756.513044][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7756.513047][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7756.513050][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7756.513055][ C2] __mptcp_retrans+0x42a/0x960 [ 7756.513061][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7756.513066][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7756.513073][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7756.513080][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7756.513083][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7756.513086][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7756.513089][ C2] ? lock_acquire+0x10c/0x170 [ 7756.513092][ C2] ? release_sock+0x1f/0x1d0 [ 7756.513098][ C2] release_sock+0x17f/0x1d0 [ 7756.513102][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7756.513110][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7756.513113][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7756.513117][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7756.513123][ C2] ? find_held_lock+0x2b/0x80 [ 7756.513127][ C2] sock_write_iter+0x3c1/0x520 [ 7756.513132][ C2] ? __up_write+0x1ad/0x530 [ 7756.513137][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7756.513144][ C2] ? ksys_write+0xf7/0x1d0 [ 7756.513150][ C2] vfs_write+0xc0c/0x1210 [ 7756.513154][ C2] ? ksys_write+0x137/0x1d0 [ 7756.513157][ C2] ? __lock_release+0x5d/0x170 [ 7756.513161][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7756.513165][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7756.513172][ C2] ksys_write+0x183/0x1d0 [ 7756.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7756.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7756.513186][ C2] do_syscall_64+0xc1/0x380 [ 7756.513190][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7756.513194][ C2] RIP: 0033:0x7f492fa5f337 [ 7756.513201][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7756.513203][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7756.513206][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7756.513209][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7756.513210][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7756.513212][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7756.513214][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7756.513220][ C2] [ 7784.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5163s! [mptcp_connect:16967] [ 7784.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7784.512931][ C2] irq event stamp: 66996 [ 7784.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7784.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7784.512948][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7784.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7784.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7784.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 7784.512970][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7784.512973][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 7784.512978][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 7784.512981][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7784.512985][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7784.512987][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7784.512989][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7784.512992][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7784.512994][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7784.512996][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7784.512999][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7784.513003][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7784.513006][ C2] PKRU: 55555554 [ 7784.513007][ C2] Call Trace: [ 7784.513009][ C2] [ 7784.513014][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7784.513021][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7784.513027][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7784.513030][ C2] ? lock_acquire+0x10c/0x170 [ 7784.513034][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7784.513039][ C2] mptcp_try_fallback+0x14b/0x360 [ 7784.513043][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7784.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7784.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7784.513056][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7784.513061][ C2] __mptcp_retrans+0x42a/0x960 [ 7784.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7784.513072][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7784.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7784.513087][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7784.513090][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7784.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7784.513095][ C2] ? lock_acquire+0x10c/0x170 [ 7784.513098][ C2] ? release_sock+0x1f/0x1d0 [ 7784.513104][ C2] release_sock+0x17f/0x1d0 [ 7784.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7784.513116][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7784.513120][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7784.513123][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7784.513129][ C2] ? find_held_lock+0x2b/0x80 [ 7784.513134][ C2] sock_write_iter+0x3c1/0x520 [ 7784.513139][ C2] ? __up_write+0x1ad/0x530 [ 7784.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7784.513151][ C2] ? ksys_write+0xf7/0x1d0 [ 7784.513157][ C2] vfs_write+0xc0c/0x1210 [ 7784.513161][ C2] ? ksys_write+0x137/0x1d0 [ 7784.513164][ C2] ? __lock_release+0x5d/0x170 [ 7784.513168][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7784.513172][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7784.513179][ C2] ksys_write+0x183/0x1d0 [ 7784.513183][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7784.513185][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7784.513193][ C2] do_syscall_64+0xc1/0x380 [ 7784.513202][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7784.513207][ C2] RIP: 0033:0x7f492fa5f337 [ 7784.513215][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7784.513217][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7784.513220][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7784.513222][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7784.513240][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7784.513243][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7784.513245][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7784.513251][ C2] [ 7807.016475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7807.016844][ C2] rcu: 2-....: (5559384 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1935093 [ 7807.017209][ C2] rcu: (t=5564353 jiffies g=1296501 q=96806 ncpus=4) [ 7807.017567][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7807.017573][ C2] Tainted: [L]=SOFTLOCKUP [ 7807.017574][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7807.017576][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 7807.017586][ C2] Code: 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f [ 7807.017589][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 7807.017593][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7807.017595][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7807.017598][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7807.017600][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7807.017602][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7807.017604][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7807.017607][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7807.017610][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7807.017612][ C2] PKRU: 55555554 [ 7807.017614][ C2] Call Trace: [ 7807.017616][ C2] [ 7807.017617][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7807.017625][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7807.017632][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7807.017636][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7807.017639][ C2] ? lock_acquire+0x10c/0x170 [ 7807.017643][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7807.017650][ C2] mptcp_try_fallback+0x14b/0x360 [ 7807.017654][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7807.017660][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7807.017663][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7807.017667][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7807.017672][ C2] __mptcp_retrans+0x42a/0x960 [ 7807.017677][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7807.017683][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7807.017690][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7807.017697][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7807.017700][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7807.017704][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7807.017707][ C2] ? lock_acquire+0x10c/0x170 [ 7807.017710][ C2] ? release_sock+0x1f/0x1d0 [ 7807.017716][ C2] release_sock+0x17f/0x1d0 [ 7807.017719][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7807.017727][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7807.017730][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7807.017734][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7807.017740][ C2] ? find_held_lock+0x2b/0x80 [ 7807.017745][ C2] sock_write_iter+0x3c1/0x520 [ 7807.017750][ C2] ? __up_write+0x1ad/0x530 [ 7807.017755][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7807.017761][ C2] ? ksys_write+0xf7/0x1d0 [ 7807.017767][ C2] vfs_write+0xc0c/0x1210 [ 7807.017770][ C2] ? ksys_write+0x137/0x1d0 [ 7807.017773][ C2] ? __lock_release+0x5d/0x170 [ 7807.017776][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7807.017780][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7807.017787][ C2] ksys_write+0x183/0x1d0 [ 7807.017790][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7807.017793][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7807.017800][ C2] do_syscall_64+0xc1/0x380 [ 7807.017804][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7807.017807][ C2] RIP: 0033:0x7f492fa5f337 [ 7807.017815][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7807.017817][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7807.017820][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7807.017821][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7807.017824][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7807.017826][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7807.017828][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7807.017834][ C2] [ 7812.528487][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5539833 jiffies s: 68497 root: 0x4/. [ 7812.528992][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7812.529168][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7812.529317][ C2] NMI backtrace for cpu 2 [ 7812.529324][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7812.529329][ C2] Tainted: [L]=SOFTLOCKUP [ 7812.529331][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7812.529333][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7812.529342][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7812.529345][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7812.529348][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7812.529350][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7812.529353][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7812.529355][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7812.529357][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7812.529359][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7812.529362][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7812.529366][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7812.529367][ C2] PKRU: 55555554 [ 7812.529369][ C2] Call Trace: [ 7812.529371][ C2] [ 7812.529374][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7812.529381][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7812.529386][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7812.529389][ C2] ? lock_acquire+0x10c/0x170 [ 7812.529392][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7812.529398][ C2] mptcp_try_fallback+0x14b/0x360 [ 7812.529402][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7812.529408][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7812.529411][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7812.529414][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7812.529419][ C2] __mptcp_retrans+0x42a/0x960 [ 7812.529425][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7812.529430][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7812.529436][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7812.529443][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7812.529445][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7812.529448][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7812.529451][ C2] ? lock_acquire+0x10c/0x170 [ 7812.529454][ C2] ? release_sock+0x1f/0x1d0 [ 7812.529460][ C2] release_sock+0x17f/0x1d0 [ 7812.529464][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7812.529472][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7812.529476][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7812.529480][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7812.529485][ C2] ? find_held_lock+0x2b/0x80 [ 7812.529489][ C2] sock_write_iter+0x3c1/0x520 [ 7812.529494][ C2] ? __up_write+0x1ad/0x530 [ 7812.529498][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7812.529505][ C2] ? ksys_write+0xf7/0x1d0 [ 7812.529510][ C2] vfs_write+0xc0c/0x1210 [ 7812.529514][ C2] ? ksys_write+0x137/0x1d0 [ 7812.529517][ C2] ? __lock_release+0x5d/0x170 [ 7812.529521][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7812.529524][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7812.529531][ C2] ksys_write+0x183/0x1d0 [ 7812.529535][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7812.529538][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7812.529544][ C2] do_syscall_64+0xc1/0x380 [ 7812.529548][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7812.529552][ C2] RIP: 0033:0x7f492fa5f337 [ 7812.529558][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7812.529559][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7812.529563][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7812.529565][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7812.529567][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7812.529569][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7812.529571][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7812.529577][ C2] [ 7840.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5216s! [mptcp_connect:16967] [ 7840.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7840.512930][ C2] irq event stamp: 66996 [ 7840.512932][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7840.512941][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7840.512945][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7840.512951][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7840.512958][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7840.512964][ C2] Tainted: [L]=SOFTLOCKUP [ 7840.512966][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7840.512968][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7840.512974][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7840.512977][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7840.512981][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7840.512983][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7840.512985][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7840.512988][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7840.512990][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7840.512992][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7840.512995][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7840.512999][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7840.513002][ C2] PKRU: 55555554 [ 7840.513003][ C2] Call Trace: [ 7840.513006][ C2] [ 7840.513010][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7840.513017][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7840.513023][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7840.513026][ C2] ? lock_acquire+0x10c/0x170 [ 7840.513030][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7840.513035][ C2] mptcp_try_fallback+0x14b/0x360 [ 7840.513039][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7840.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7840.513049][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7840.513052][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7840.513057][ C2] __mptcp_retrans+0x42a/0x960 [ 7840.513063][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7840.513068][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7840.513076][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7840.513083][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7840.513086][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7840.513089][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7840.513093][ C2] ? lock_acquire+0x10c/0x170 [ 7840.513095][ C2] ? release_sock+0x1f/0x1d0 [ 7840.513101][ C2] release_sock+0x17f/0x1d0 [ 7840.513105][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7840.513112][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7840.513116][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7840.513120][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7840.513126][ C2] ? find_held_lock+0x2b/0x80 [ 7840.513130][ C2] sock_write_iter+0x3c1/0x520 [ 7840.513135][ C2] ? __up_write+0x1ad/0x530 [ 7840.513140][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7840.513147][ C2] ? ksys_write+0xf7/0x1d0 [ 7840.513154][ C2] vfs_write+0xc0c/0x1210 [ 7840.513158][ C2] ? ksys_write+0x137/0x1d0 [ 7840.513160][ C2] ? __lock_release+0x5d/0x170 [ 7840.513165][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7840.513168][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7840.513176][ C2] ksys_write+0x183/0x1d0 [ 7840.513179][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7840.513182][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7840.513189][ C2] do_syscall_64+0xc1/0x380 [ 7840.513193][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7840.513198][ C2] RIP: 0033:0x7f492fa5f337 [ 7840.513206][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7840.513208][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7840.513211][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7840.513214][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7840.513216][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7840.513218][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7840.513220][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7840.513226][ C2] [ 7868.512921][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5242s! [mptcp_connect:16967] [ 7868.512930][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7868.512947][ C2] irq event stamp: 66996 [ 7868.512948][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7868.512959][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7868.512963][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7868.512969][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7868.512976][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7868.512982][ C2] Tainted: [L]=SOFTLOCKUP [ 7868.512984][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7868.512987][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7868.512992][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7868.512996][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7868.512999][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7868.513001][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7868.513004][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7868.513006][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7868.513008][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7868.513010][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7868.513013][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7868.513017][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7868.513020][ C2] PKRU: 55555554 [ 7868.513021][ C2] Call Trace: [ 7868.513025][ C2] [ 7868.513029][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7868.513037][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7868.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7868.513046][ C2] ? lock_acquire+0x10c/0x170 [ 7868.513050][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7868.513055][ C2] mptcp_try_fallback+0x14b/0x360 [ 7868.513060][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7868.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7868.513070][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7868.513073][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7868.513078][ C2] __mptcp_retrans+0x42a/0x960 [ 7868.513084][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7868.513089][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7868.513096][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7868.513104][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7868.513107][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7868.513110][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7868.513112][ C2] ? lock_acquire+0x10c/0x170 [ 7868.513115][ C2] ? release_sock+0x1f/0x1d0 [ 7868.513121][ C2] release_sock+0x17f/0x1d0 [ 7868.513126][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7868.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7868.513137][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7868.513142][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7868.513147][ C2] ? find_held_lock+0x2b/0x80 [ 7868.513152][ C2] sock_write_iter+0x3c1/0x520 [ 7868.513157][ C2] ? __up_write+0x1ad/0x530 [ 7868.513162][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7868.513169][ C2] ? ksys_write+0xf7/0x1d0 [ 7868.513176][ C2] vfs_write+0xc0c/0x1210 [ 7868.513180][ C2] ? ksys_write+0x137/0x1d0 [ 7868.513183][ C2] ? __lock_release+0x5d/0x170 [ 7868.513187][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7868.513191][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7868.513199][ C2] ksys_write+0x183/0x1d0 [ 7868.513203][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7868.513206][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7868.513212][ C2] do_syscall_64+0xc1/0x380 [ 7868.513218][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7868.513223][ C2] RIP: 0033:0x7f492fa5f337 [ 7868.513230][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7868.513232][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7868.513235][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7868.513238][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7868.513240][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7868.513242][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7868.513244][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7868.513251][ C2] [ 7885.021475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7885.021785][ C2] rcu: 2-....: (5637330 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1961483 [ 7885.022274][ C2] rcu: (t=5642358 jiffies g=1296501 q=98154 ncpus=4) [ 7885.022526][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7885.022533][ C2] Tainted: [L]=SOFTLOCKUP [ 7885.022534][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7885.022537][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7885.022547][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7885.022551][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7885.022555][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7885.022557][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7885.022560][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7885.022562][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7885.022564][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7885.022566][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7885.022569][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7885.022573][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7885.022575][ C2] PKRU: 55555554 [ 7885.022577][ C2] Call Trace: [ 7885.022578][ C2] [ 7885.022581][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7885.022589][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7885.022593][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7885.022596][ C2] ? lock_acquire+0x10c/0x170 [ 7885.022601][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7885.022608][ C2] mptcp_try_fallback+0x14b/0x360 [ 7885.022612][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7885.022618][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7885.022621][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7885.022624][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7885.022629][ C2] __mptcp_retrans+0x42a/0x960 [ 7885.022635][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7885.022641][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7885.022649][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7885.022656][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7885.022659][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7885.022663][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7885.022666][ C2] ? lock_acquire+0x10c/0x170 [ 7885.022669][ C2] ? release_sock+0x1f/0x1d0 [ 7885.022675][ C2] release_sock+0x17f/0x1d0 [ 7885.022678][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7885.022686][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7885.022689][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7885.022693][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7885.022699][ C2] ? find_held_lock+0x2b/0x80 [ 7885.022703][ C2] sock_write_iter+0x3c1/0x520 [ 7885.022708][ C2] ? __up_write+0x1ad/0x530 [ 7885.022712][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7885.022719][ C2] ? ksys_write+0xf7/0x1d0 [ 7885.022726][ C2] vfs_write+0xc0c/0x1210 [ 7885.022729][ C2] ? ksys_write+0x137/0x1d0 [ 7885.022732][ C2] ? __lock_release+0x5d/0x170 [ 7885.022736][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7885.022740][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7885.022747][ C2] ksys_write+0x183/0x1d0 [ 7885.022751][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7885.022753][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7885.022760][ C2] do_syscall_64+0xc1/0x380 [ 7885.022764][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7885.022768][ C2] RIP: 0033:0x7f492fa5f337 [ 7885.022776][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7885.022778][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7885.022781][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7885.022784][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7885.022785][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7885.022787][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7885.022789][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7885.022796][ C2] [ 7910.831491][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5638136 jiffies s: 68497 root: 0x4/. [ 7910.831936][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7910.832111][ T17] Sending NMI from CPU 1 to CPUs 2: [ 7910.832629][ C2] NMI backtrace for cpu 2 [ 7910.832638][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7910.832644][ C2] Tainted: [L]=SOFTLOCKUP [ 7910.832646][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7910.832648][ C2] RIP: 0010:vm_interrupt+0x54/0x160 [ 7910.832660][ C2] Code: 89 f3 48 c1 ea 03 48 83 ec 08 80 3c 02 00 0f 85 fc 00 00 00 48 8b 83 28 05 00 00 44 8b 68 60 48 8b 83 28 05 00 00 44 89 68 64 <45> 89 ec 41 83 e4 02 0f 85 b5 00 00 00 41 83 e5 01 0f 84 95 00 00 [ 7910.832664][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [ 7910.832667][ C2] RAX: ffffc9000002ec00 RBX: ffff88800626b800 RCX: ffffffffa4623c21 [ 7910.832670][ C2] RDX: 1ffff11000c4d7a5 RSI: ffff88800626b800 RDI: ffff88800626bd28 [ 7910.832672][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff514a2fa [ 7910.832675][ C2] R10: ffffffffa8a517d7 R11: ffffc90000218ff8 R12: ffff888002126400 [ 7910.832677][ C2] R13: 0000000000000001 R14: ffffffffa56624b0 R15: ffff888006230b00 [ 7910.832679][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7910.832682][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7910.832686][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7910.832688][ C2] PKRU: 55555554 [ 7910.832690][ C2] Call Trace: [ 7910.832693][ C2] [ 7910.832694][ C2] ? rcu_is_watching+0x12/0xc0 [ 7910.832706][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 7910.832709][ C2] __handle_irq_event_percpu+0x190/0x310 [ 7910.832717][ C2] handle_irq_event+0xaa/0x1c0 [ 7910.832721][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 7910.832727][ C2] __common_interrupt+0xad/0x1d0 [ 7910.832734][ C2] common_interrupt+0xb9/0xe0 [ 7910.832739][ C2] [ 7910.832741][ C2] [ 7910.832743][ C2] asm_common_interrupt+0x26/0x40 [ 7910.832748][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7910.832753][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7910.832757][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7910.832759][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7910.832762][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7910.832764][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7910.832766][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7910.832768][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7910.832772][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 7910.832779][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7910.832785][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7910.832790][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7910.832793][ C2] ? lock_acquire+0x10c/0x170 [ 7910.832797][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7910.832803][ C2] mptcp_try_fallback+0x14b/0x360 [ 7910.832807][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7910.832814][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7910.832817][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7910.832819][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7910.832824][ C2] __mptcp_retrans+0x42a/0x960 [ 7910.832830][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7910.832835][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7910.832842][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7910.832849][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7910.832852][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7910.832855][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7910.832858][ C2] ? lock_acquire+0x10c/0x170 [ 7910.832861][ C2] ? release_sock+0x1f/0x1d0 [ 7910.832868][ C2] release_sock+0x17f/0x1d0 [ 7910.832872][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7910.832880][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7910.832884][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7910.832888][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7910.832894][ C2] ? find_held_lock+0x2b/0x80 [ 7910.832898][ C2] sock_write_iter+0x3c1/0x520 [ 7910.832903][ C2] ? __up_write+0x1ad/0x530 [ 7910.832908][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7910.832915][ C2] ? ksys_write+0xf7/0x1d0 [ 7910.832922][ C2] vfs_write+0xc0c/0x1210 [ 7910.832926][ C2] ? ksys_write+0x137/0x1d0 [ 7910.832928][ C2] ? __lock_release+0x5d/0x170 [ 7910.832933][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7910.832937][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7910.832944][ C2] ksys_write+0x183/0x1d0 [ 7910.832947][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7910.832950][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7910.832957][ C2] do_syscall_64+0xc1/0x380 [ 7910.832960][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7910.832964][ C2] RIP: 0033:0x7f492fa5f337 [ 7910.832971][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7910.832973][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7910.832977][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7910.832979][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7910.832982][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7910.832984][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7910.832986][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7910.832993][ C2] [ 7936.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5305s! [mptcp_connect:16967] [ 7936.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7936.512931][ C2] irq event stamp: 66996 [ 7936.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7936.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7936.512947][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7936.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7936.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7936.512968][ C2] Tainted: [L]=SOFTLOCKUP [ 7936.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7936.512972][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7936.512977][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7936.512980][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7936.512984][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7936.512986][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7936.512988][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7936.512991][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7936.512993][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7936.512995][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7936.512998][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7936.513002][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7936.513004][ C2] PKRU: 55555554 [ 7936.513006][ C2] Call Trace: [ 7936.513008][ C2] [ 7936.513011][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7936.513019][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7936.513025][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7936.513028][ C2] ? lock_acquire+0x10c/0x170 [ 7936.513032][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7936.513037][ C2] mptcp_try_fallback+0x14b/0x360 [ 7936.513041][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7936.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7936.513051][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7936.513054][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7936.513059][ C2] __mptcp_retrans+0x42a/0x960 [ 7936.513065][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7936.513071][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7936.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7936.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7936.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7936.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7936.513094][ C2] ? lock_acquire+0x10c/0x170 [ 7936.513097][ C2] ? release_sock+0x1f/0x1d0 [ 7936.513104][ C2] release_sock+0x17f/0x1d0 [ 7936.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7936.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7936.513119][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7936.513123][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7936.513129][ C2] ? find_held_lock+0x2b/0x80 [ 7936.513133][ C2] sock_write_iter+0x3c1/0x520 [ 7936.513138][ C2] ? __up_write+0x1ad/0x530 [ 7936.513143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7936.513149][ C2] ? ksys_write+0xf7/0x1d0 [ 7936.513156][ C2] vfs_write+0xc0c/0x1210 [ 7936.513160][ C2] ? ksys_write+0x137/0x1d0 [ 7936.513163][ C2] ? __lock_release+0x5d/0x170 [ 7936.513167][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7936.513171][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7936.513179][ C2] ksys_write+0x183/0x1d0 [ 7936.513182][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7936.513185][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7936.513192][ C2] do_syscall_64+0xc1/0x380 [ 7936.513196][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7936.513201][ C2] RIP: 0033:0x7f492fa5f337 [ 7936.513210][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7936.513211][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7936.513215][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7936.513218][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7936.513220][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7936.513222][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7936.513224][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7936.513231][ C2] [ 7963.026476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7963.026863][ C2] rcu: 2-....: (5715287 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=1987974 [ 7963.027244][ C2] rcu: (t=5720363 jiffies g=1296501 q=99240 ncpus=4) [ 7963.027595][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7963.027601][ C2] Tainted: [L]=SOFTLOCKUP [ 7963.027603][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7963.027605][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7963.027616][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7963.027621][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7963.027624][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7963.027627][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7963.027629][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7963.027631][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7963.027633][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7963.027636][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7963.027638][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7963.027644][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7963.027646][ C2] PKRU: 55555554 [ 7963.027648][ C2] Call Trace: [ 7963.027649][ C2] [ 7963.027651][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7963.027659][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7963.027664][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7963.027667][ C2] ? lock_acquire+0x10c/0x170 [ 7963.027671][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7963.027678][ C2] mptcp_try_fallback+0x14b/0x360 [ 7963.027682][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7963.027689][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7963.027692][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7963.027694][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7963.027699][ C2] __mptcp_retrans+0x42a/0x960 [ 7963.027706][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7963.027711][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7963.027719][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7963.027726][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7963.027729][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7963.027733][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7963.027736][ C2] ? lock_acquire+0x10c/0x170 [ 7963.027739][ C2] ? release_sock+0x1f/0x1d0 [ 7963.027746][ C2] release_sock+0x17f/0x1d0 [ 7963.027749][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7963.027757][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7963.027761][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7963.027765][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7963.027771][ C2] ? find_held_lock+0x2b/0x80 [ 7963.027775][ C2] sock_write_iter+0x3c1/0x520 [ 7963.027780][ C2] ? __up_write+0x1ad/0x530 [ 7963.027785][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7963.027792][ C2] ? ksys_write+0xf7/0x1d0 [ 7963.027799][ C2] vfs_write+0xc0c/0x1210 [ 7963.027802][ C2] ? ksys_write+0x137/0x1d0 [ 7963.027805][ C2] ? __lock_release+0x5d/0x170 [ 7963.027809][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7963.027813][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7963.027820][ C2] ksys_write+0x183/0x1d0 [ 7963.027824][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7963.027827][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7963.027834][ C2] do_syscall_64+0xc1/0x380 [ 7963.027838][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7963.027842][ C2] RIP: 0033:0x7f492fa5f337 [ 7963.027850][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7963.027851][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7963.027854][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7963.027856][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7963.027859][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7963.027861][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7963.027863][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7963.027869][ C2] [ 7988.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5353s! [mptcp_connect:16967] [ 7988.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 7988.512932][ C2] irq event stamp: 66996 [ 7988.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7988.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7988.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 7988.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 7988.512965][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7988.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 7988.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7988.512974][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7988.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7988.512984][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 7988.512988][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 7988.512990][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 7988.512993][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 7988.512995][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 7988.512997][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 7988.513000][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 7988.513003][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7988.513007][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 7988.513009][ C2] PKRU: 55555554 [ 7988.513011][ C2] Call Trace: [ 7988.513014][ C2] [ 7988.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7988.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7988.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7988.513035][ C2] ? lock_acquire+0x10c/0x170 [ 7988.513039][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7988.513044][ C2] mptcp_try_fallback+0x14b/0x360 [ 7988.513048][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7988.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7988.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7988.513061][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7988.513066][ C2] __mptcp_retrans+0x42a/0x960 [ 7988.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7988.513078][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7988.513085][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7988.513092][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7988.513095][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7988.513098][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7988.513101][ C2] ? lock_acquire+0x10c/0x170 [ 7988.513104][ C2] ? release_sock+0x1f/0x1d0 [ 7988.513111][ C2] release_sock+0x17f/0x1d0 [ 7988.513115][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7988.513123][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7988.513126][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7988.513130][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7988.513136][ C2] ? find_held_lock+0x2b/0x80 [ 7988.513140][ C2] sock_write_iter+0x3c1/0x520 [ 7988.513146][ C2] ? __up_write+0x1ad/0x530 [ 7988.513151][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7988.513158][ C2] ? ksys_write+0xf7/0x1d0 [ 7988.513165][ C2] vfs_write+0xc0c/0x1210 [ 7988.513168][ C2] ? ksys_write+0x137/0x1d0 [ 7988.513172][ C2] ? __lock_release+0x5d/0x170 [ 7988.513176][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7988.513180][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7988.513187][ C2] ksys_write+0x183/0x1d0 [ 7988.513191][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7988.513194][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7988.513201][ C2] do_syscall_64+0xc1/0x380 [ 7988.513206][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7988.513210][ C2] RIP: 0033:0x7f492fa5f337 [ 7988.513218][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 7988.513221][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7988.513224][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 7988.513227][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 7988.513229][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 7988.513231][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 7988.513233][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 7988.513240][ C2] [ 8009.136494][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5736441 jiffies s: 68497 root: 0x4/. [ 8009.136997][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8009.137173][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8009.137407][ C2] NMI backtrace for cpu 2 [ 8009.137415][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8009.137422][ C2] Tainted: [L]=SOFTLOCKUP [ 8009.137423][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8009.137426][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8009.137434][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 8009.137438][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8009.137442][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 8009.137445][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8009.137447][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8009.137450][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8009.137452][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 8009.137454][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8009.137457][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8009.137461][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8009.137463][ C2] PKRU: 55555554 [ 8009.137465][ C2] Call Trace: [ 8009.137468][ C2] [ 8009.137470][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8009.137480][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8009.137487][ C2] __common_interrupt+0xad/0x1d0 [ 8009.137493][ C2] common_interrupt+0xb9/0xe0 [ 8009.137499][ C2] [ 8009.137500][ C2] [ 8009.137502][ C2] asm_common_interrupt+0x26/0x40 [ 8009.137508][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 8009.137513][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <72> 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 [ 8009.137516][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 8009.137519][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8009.137521][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8009.137523][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8009.137525][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8009.137527][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8009.137531][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8009.137539][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8009.137544][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8009.137551][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8009.137556][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8009.137558][ C2] ? lock_acquire+0x10c/0x170 [ 8009.137563][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8009.137570][ C2] mptcp_try_fallback+0x14b/0x360 [ 8009.137575][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8009.137581][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8009.137584][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8009.137587][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8009.137592][ C2] __mptcp_retrans+0x42a/0x960 [ 8009.137598][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8009.137603][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8009.137610][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8009.137618][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8009.137620][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8009.137624][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8009.137626][ C2] ? lock_acquire+0x10c/0x170 [ 8009.137629][ C2] ? release_sock+0x1f/0x1d0 [ 8009.137635][ C2] release_sock+0x17f/0x1d0 [ 8009.137640][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8009.137647][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8009.137651][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8009.137655][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8009.137661][ C2] ? find_held_lock+0x2b/0x80 [ 8009.137665][ C2] sock_write_iter+0x3c1/0x520 [ 8009.137670][ C2] ? __up_write+0x1ad/0x530 [ 8009.137675][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8009.137681][ C2] ? ksys_write+0xf7/0x1d0 [ 8009.137688][ C2] vfs_write+0xc0c/0x1210 [ 8009.137692][ C2] ? ksys_write+0x137/0x1d0 [ 8009.137695][ C2] ? __lock_release+0x5d/0x170 [ 8009.137699][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8009.137703][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8009.137710][ C2] ksys_write+0x183/0x1d0 [ 8009.137714][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8009.137717][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8009.137724][ C2] do_syscall_64+0xc1/0x380 [ 8009.137728][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8009.137731][ C2] RIP: 0033:0x7f492fa5f337 [ 8009.137739][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8009.137740][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8009.137744][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8009.137746][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8009.137748][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8009.137751][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8009.137753][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8009.137759][ C2] [ 8036.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5398s! [mptcp_connect:16967] [ 8036.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8036.512938][ C2] irq event stamp: 66996 [ 8036.512940][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8036.512954][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8036.512959][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8036.512967][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8036.512976][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8036.512982][ C2] Tainted: [L]=SOFTLOCKUP [ 8036.512984][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8036.512987][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8036.512993][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8036.512996][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8036.513000][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8036.513003][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8036.513005][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8036.513007][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8036.513009][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8036.513012][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8036.513015][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8036.513019][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8036.513021][ C2] PKRU: 55555554 [ 8036.513022][ C2] Call Trace: [ 8036.513027][ C2] [ 8036.513032][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8036.513040][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8036.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8036.513051][ C2] ? lock_acquire+0x10c/0x170 [ 8036.513056][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8036.513061][ C2] mptcp_try_fallback+0x14b/0x360 [ 8036.513065][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8036.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8036.513075][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8036.513078][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8036.513083][ C2] __mptcp_retrans+0x42a/0x960 [ 8036.513090][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8036.513096][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8036.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8036.513113][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8036.513116][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8036.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8036.513122][ C2] ? lock_acquire+0x10c/0x170 [ 8036.513125][ C2] ? release_sock+0x1f/0x1d0 [ 8036.513133][ C2] release_sock+0x17f/0x1d0 [ 8036.513137][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8036.513145][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8036.513149][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8036.513153][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8036.513161][ C2] ? find_held_lock+0x2b/0x80 [ 8036.513165][ C2] sock_write_iter+0x3c1/0x520 [ 8036.513172][ C2] ? __up_write+0x1ad/0x530 [ 8036.513178][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8036.513185][ C2] ? ksys_write+0xf7/0x1d0 [ 8036.513194][ C2] vfs_write+0xc0c/0x1210 [ 8036.513199][ C2] ? ksys_write+0x137/0x1d0 [ 8036.513202][ C2] ? __lock_release+0x5d/0x170 [ 8036.513206][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8036.513210][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8036.513218][ C2] ksys_write+0x183/0x1d0 [ 8036.513222][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8036.513224][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8036.513233][ C2] do_syscall_64+0xc1/0x380 [ 8036.513238][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8036.513243][ C2] RIP: 0033:0x7f492fa5f337 [ 8036.513255][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8036.513257][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8036.513260][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8036.513263][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8036.513265][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8036.513267][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8036.513270][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8036.513276][ C2] [ 8041.031475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8041.031939][ C2] rcu: 2-....: (5793223 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2014847 [ 8041.032479][ C2] rcu: (t=5798368 jiffies g=1296501 q=100669 ncpus=4) [ 8041.032874][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8041.032879][ C2] Tainted: [L]=SOFTLOCKUP [ 8041.032881][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8041.032883][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8041.032893][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8041.032897][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8041.032900][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8041.032902][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8041.032904][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8041.032906][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8041.032909][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8041.032911][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8041.032914][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8041.032918][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8041.032920][ C2] PKRU: 55555554 [ 8041.032921][ C2] Call Trace: [ 8041.032923][ C2] [ 8041.032926][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8041.032934][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8041.032939][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8041.032941][ C2] ? lock_acquire+0x10c/0x170 [ 8041.032945][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8041.032951][ C2] mptcp_try_fallback+0x14b/0x360 [ 8041.032955][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8041.032961][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8041.032964][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8041.032967][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8041.032972][ C2] __mptcp_retrans+0x42a/0x960 [ 8041.032978][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8041.032983][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8041.032989][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8041.032996][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8041.032999][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8041.033002][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8041.033005][ C2] ? lock_acquire+0x10c/0x170 [ 8041.033008][ C2] ? release_sock+0x1f/0x1d0 [ 8041.033014][ C2] release_sock+0x17f/0x1d0 [ 8041.033018][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8041.033025][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8041.033029][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8041.033033][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8041.033038][ C2] ? find_held_lock+0x2b/0x80 [ 8041.033042][ C2] sock_write_iter+0x3c1/0x520 [ 8041.033047][ C2] ? __up_write+0x1ad/0x530 [ 8041.033052][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8041.033058][ C2] ? ksys_write+0xf7/0x1d0 [ 8041.033064][ C2] vfs_write+0xc0c/0x1210 [ 8041.033067][ C2] ? ksys_write+0x137/0x1d0 [ 8041.033070][ C2] ? __lock_release+0x5d/0x170 [ 8041.033074][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8041.033078][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8041.033085][ C2] ksys_write+0x183/0x1d0 [ 8041.033088][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8041.033091][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8041.033098][ C2] do_syscall_64+0xc1/0x380 [ 8041.033102][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8041.033105][ C2] RIP: 0033:0x7f492fa5f337 [ 8041.033111][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8041.033113][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8041.033116][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8041.033118][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8041.033121][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8041.033123][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8041.033125][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8041.033131][ C2] [ 8068.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5428s! [mptcp_connect:16967] [ 8068.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8068.512928][ C2] irq event stamp: 66996 [ 8068.512930][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8068.512939][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8068.512943][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8068.512947][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8068.512953][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8068.512958][ C2] Tainted: [L]=SOFTLOCKUP [ 8068.512960][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8068.512962][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8068.512966][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8068.512970][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8068.512973][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8068.512975][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8068.512977][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8068.512979][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8068.512981][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8068.512984][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8068.512987][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8068.512991][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8068.512994][ C2] PKRU: 55555554 [ 8068.512995][ C2] Call Trace: [ 8068.512997][ C2] [ 8068.513001][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8068.513009][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8068.513013][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8068.513016][ C2] ? lock_acquire+0x10c/0x170 [ 8068.513020][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8068.513025][ C2] mptcp_try_fallback+0x14b/0x360 [ 8068.513029][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8068.513036][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8068.513038][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8068.513042][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8068.513047][ C2] __mptcp_retrans+0x42a/0x960 [ 8068.513053][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8068.513058][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8068.513064][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8068.513071][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8068.513074][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8068.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8068.513080][ C2] ? lock_acquire+0x10c/0x170 [ 8068.513083][ C2] ? release_sock+0x1f/0x1d0 [ 8068.513088][ C2] release_sock+0x17f/0x1d0 [ 8068.513092][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8068.513100][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8068.513104][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8068.513108][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8068.513113][ C2] ? find_held_lock+0x2b/0x80 [ 8068.513118][ C2] sock_write_iter+0x3c1/0x520 [ 8068.513123][ C2] ? __up_write+0x1ad/0x530 [ 8068.513128][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8068.513134][ C2] ? ksys_write+0xf7/0x1d0 [ 8068.513140][ C2] vfs_write+0xc0c/0x1210 [ 8068.513143][ C2] ? ksys_write+0x137/0x1d0 [ 8068.513146][ C2] ? __lock_release+0x5d/0x170 [ 8068.513150][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8068.513154][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8068.513161][ C2] ksys_write+0x183/0x1d0 [ 8068.513165][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8068.513168][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8068.513173][ C2] do_syscall_64+0xc1/0x380 [ 8068.513177][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8068.513180][ C2] RIP: 0033:0x7f492fa5f337 [ 8068.513186][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8068.513188][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8068.513191][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8068.513194][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8068.513196][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8068.513198][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8068.513200][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8068.513207][ C2] [ 8096.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5454s! [mptcp_connect:16967] [ 8096.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8096.512937][ C2] irq event stamp: 66996 [ 8096.512939][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8096.512952][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8096.512957][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8096.512964][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8096.512974][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8096.512981][ C2] Tainted: [L]=SOFTLOCKUP [ 8096.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8096.512986][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8096.512992][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8096.512995][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8096.512999][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8096.513001][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8096.513004][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8096.513006][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8096.513008][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8096.513011][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8096.513014][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8096.513018][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8096.513020][ C2] PKRU: 55555554 [ 8096.513022][ C2] Call Trace: [ 8096.513026][ C2] [ 8096.513031][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8096.513039][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8096.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8096.513049][ C2] ? lock_acquire+0x10c/0x170 [ 8096.513054][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8096.513059][ C2] mptcp_try_fallback+0x14b/0x360 [ 8096.513063][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8096.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8096.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8096.513076][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8096.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 8096.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8096.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8096.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8096.513108][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8096.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8096.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8096.513117][ C2] ? lock_acquire+0x10c/0x170 [ 8096.513120][ C2] ? release_sock+0x1f/0x1d0 [ 8096.513128][ C2] release_sock+0x17f/0x1d0 [ 8096.513132][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8096.513140][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8096.513143][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8096.513147][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8096.513155][ C2] ? find_held_lock+0x2b/0x80 [ 8096.513159][ C2] sock_write_iter+0x3c1/0x520 [ 8096.513166][ C2] ? __up_write+0x1ad/0x530 [ 8096.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8096.513178][ C2] ? ksys_write+0xf7/0x1d0 [ 8096.513187][ C2] vfs_write+0xc0c/0x1210 [ 8096.513191][ C2] ? ksys_write+0x137/0x1d0 [ 8096.513193][ C2] ? __lock_release+0x5d/0x170 [ 8096.513198][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8096.513202][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8096.513210][ C2] ksys_write+0x183/0x1d0 [ 8096.513214][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8096.513217][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8096.513225][ C2] do_syscall_64+0xc1/0x380 [ 8096.513230][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8096.513235][ C2] RIP: 0033:0x7f492fa5f337 [ 8096.513246][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8096.513248][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8096.513252][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8096.513254][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8096.513257][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8096.513259][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8096.513261][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8096.513267][ C2] [ 8107.440630][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5834745 jiffies s: 68497 root: 0x4/. [ 8107.441624][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8107.441900][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8107.442057][ C2] NMI backtrace for cpu 2 [ 8107.442067][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8107.442073][ C2] Tainted: [L]=SOFTLOCKUP [ 8107.442074][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8107.442077][ C2] RIP: 0010:vring_interrupt+0x246/0x350 [ 8107.442085][ C2] Code: c1 ea 03 80 3c 02 00 0f 85 d1 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5d 70 48 8d 7b 02 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 b3 00 00 00 66 [ 8107.442089][ C2] RSP: 0018:ffffc90000218ea0 EFLAGS: 00000806 [ 8107.442093][ C2] RAX: dffffc0000000000 RBX: ffff888006675000 RCX: ffffffffa45f1df0 [ 8107.442095][ C2] RDX: 0000000000000000 RSI: ffff8880065af100 RDI: ffff888006675002 [ 8107.442097][ C2] RBP: ffff8880065af100 R08: 0000000000000001 R09: fffff520000431c6 [ 8107.442100][ C2] R10: 0000000000000003 R11: ffffc90000218ff8 R12: 0000000000000000 [ 8107.442102][ C2] R13: ffff88800626bd78 R14: dffffc0000000000 R15: ffff88800626bd38 [ 8107.442104][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8107.442107][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8107.442111][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8107.442113][ C2] PKRU: 55555554 [ 8107.442114][ C2] Call Trace: [ 8107.442117][ C2] [ 8107.442120][ C2] vm_interrupt+0xd2/0x160 [ 8107.442128][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 8107.442131][ C2] __handle_irq_event_percpu+0x190/0x310 [ 8107.442140][ C2] handle_irq_event+0xaa/0x1c0 [ 8107.442144][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 8107.442150][ C2] __common_interrupt+0xad/0x1d0 [ 8107.442158][ C2] common_interrupt+0xb9/0xe0 [ 8107.442164][ C2] [ 8107.442165][ C2] [ 8107.442168][ C2] asm_common_interrupt+0x26/0x40 [ 8107.442172][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8107.442178][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8107.442181][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8107.442184][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8107.442186][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8107.442188][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8107.442190][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8107.442192][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8107.442196][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8107.442202][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8107.442209][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8107.442214][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8107.442217][ C2] ? lock_acquire+0x10c/0x170 [ 8107.442222][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8107.442228][ C2] mptcp_try_fallback+0x14b/0x360 [ 8107.442232][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8107.442238][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8107.442241][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8107.442244][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8107.442249][ C2] __mptcp_retrans+0x42a/0x960 [ 8107.442255][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8107.442260][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8107.442266][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8107.442273][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8107.442276][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8107.442279][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8107.442281][ C2] ? lock_acquire+0x10c/0x170 [ 8107.442284][ C2] ? release_sock+0x1f/0x1d0 [ 8107.442291][ C2] release_sock+0x17f/0x1d0 [ 8107.442294][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8107.442302][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8107.442306][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8107.442310][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8107.442315][ C2] ? find_held_lock+0x2b/0x80 [ 8107.442320][ C2] sock_write_iter+0x3c1/0x520 [ 8107.442325][ C2] ? __up_write+0x1ad/0x530 [ 8107.442330][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8107.442336][ C2] ? ksys_write+0xf7/0x1d0 [ 8107.442342][ C2] vfs_write+0xc0c/0x1210 [ 8107.442346][ C2] ? ksys_write+0x137/0x1d0 [ 8107.442349][ C2] ? __lock_release+0x5d/0x170 [ 8107.442353][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8107.442357][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8107.442364][ C2] ksys_write+0x183/0x1d0 [ 8107.442367][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8107.442370][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8107.442377][ C2] do_syscall_64+0xc1/0x380 [ 8107.442380][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8107.442383][ C2] RIP: 0033:0x7f492fa5f337 [ 8107.442390][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8107.442392][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8107.442395][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8107.442397][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8107.442400][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8107.442402][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8107.442404][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8107.442410][ C2] [ 8119.036476][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8119.037021][ C2] rcu: 2-....: (5871146 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2042282 [ 8119.037428][ C2] rcu: (t=5876373 jiffies g=1296501 q=102107 ncpus=4) [ 8119.037808][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8119.037813][ C2] Tainted: [L]=SOFTLOCKUP [ 8119.037815][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8119.037817][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8119.037825][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8119.037828][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8119.037831][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8119.037833][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8119.037836][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8119.037838][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8119.037840][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8119.037842][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8119.037845][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8119.037848][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8119.037851][ C2] PKRU: 55555554 [ 8119.037852][ C2] Call Trace: [ 8119.037853][ C2] [ 8119.037856][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8119.037864][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8119.037868][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8119.037870][ C2] ? lock_acquire+0x10c/0x170 [ 8119.037874][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8119.037880][ C2] mptcp_try_fallback+0x14b/0x360 [ 8119.037884][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8119.037890][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8119.037892][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8119.037895][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8119.037900][ C2] __mptcp_retrans+0x42a/0x960 [ 8119.037906][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8119.037911][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8119.037916][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8119.037924][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8119.037926][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8119.037930][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8119.037933][ C2] ? lock_acquire+0x10c/0x170 [ 8119.037936][ C2] ? release_sock+0x1f/0x1d0 [ 8119.037941][ C2] release_sock+0x17f/0x1d0 [ 8119.037945][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8119.037952][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8119.037956][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8119.037960][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8119.037965][ C2] ? find_held_lock+0x2b/0x80 [ 8119.037970][ C2] sock_write_iter+0x3c1/0x520 [ 8119.037974][ C2] ? __up_write+0x1ad/0x530 [ 8119.037978][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8119.037985][ C2] ? ksys_write+0xf7/0x1d0 [ 8119.037991][ C2] vfs_write+0xc0c/0x1210 [ 8119.037994][ C2] ? ksys_write+0x137/0x1d0 [ 8119.037997][ C2] ? __lock_release+0x5d/0x170 [ 8119.038001][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8119.038005][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8119.038012][ C2] ksys_write+0x183/0x1d0 [ 8119.038015][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8119.038018][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8119.038024][ C2] do_syscall_64+0xc1/0x380 [ 8119.038027][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8119.038030][ C2] RIP: 0033:0x7f492fa5f337 [ 8119.038037][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8119.038039][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8119.038042][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8119.038044][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8119.038046][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8119.038048][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8119.038050][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8119.038057][ C2] [ 8144.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5499s! [mptcp_connect:16967] [ 8144.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8144.512928][ C2] irq event stamp: 66996 [ 8144.512930][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8144.512938][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8144.512942][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8144.512947][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8144.512952][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8144.512957][ C2] Tainted: [L]=SOFTLOCKUP [ 8144.512959][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8144.512961][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8144.512966][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8144.512969][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8144.512972][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8144.512975][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8144.512977][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8144.512979][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8144.512981][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8144.512984][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8144.512987][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8144.512991][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8144.512993][ C2] PKRU: 55555554 [ 8144.512995][ C2] Call Trace: [ 8144.512997][ C2] [ 8144.513000][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8144.513008][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8144.513012][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8144.513015][ C2] ? lock_acquire+0x10c/0x170 [ 8144.513019][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8144.513024][ C2] mptcp_try_fallback+0x14b/0x360 [ 8144.513028][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8144.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8144.513037][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8144.513040][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8144.513045][ C2] __mptcp_retrans+0x42a/0x960 [ 8144.513051][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8144.513057][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8144.513062][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8144.513070][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8144.513072][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8144.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8144.513078][ C2] ? lock_acquire+0x10c/0x170 [ 8144.513081][ C2] ? release_sock+0x1f/0x1d0 [ 8144.513087][ C2] release_sock+0x17f/0x1d0 [ 8144.513090][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8144.513098][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8144.513102][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8144.513106][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8144.513110][ C2] ? find_held_lock+0x2b/0x80 [ 8144.513114][ C2] sock_write_iter+0x3c1/0x520 [ 8144.513119][ C2] ? __up_write+0x1ad/0x530 [ 8144.513123][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8144.513130][ C2] ? ksys_write+0xf7/0x1d0 [ 8144.513135][ C2] vfs_write+0xc0c/0x1210 [ 8144.513139][ C2] ? ksys_write+0x137/0x1d0 [ 8144.513142][ C2] ? __lock_release+0x5d/0x170 [ 8144.513146][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8144.513150][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8144.513157][ C2] ksys_write+0x183/0x1d0 [ 8144.513161][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8144.513164][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8144.513170][ C2] do_syscall_64+0xc1/0x380 [ 8144.513174][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8144.513177][ C2] RIP: 0033:0x7f492fa5f337 [ 8144.513182][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8144.513184][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8144.513187][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8144.513189][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8144.513192][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8144.513194][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8144.513196][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8144.513202][ C2] [ 8172.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5525s! [mptcp_connect:16967] [ 8172.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8172.512927][ C2] irq event stamp: 66996 [ 8172.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8172.512936][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8172.512940][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8172.512945][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8172.512951][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8172.512956][ C2] Tainted: [L]=SOFTLOCKUP [ 8172.512958][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8172.512960][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8172.512965][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8172.512968][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8172.512971][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8172.512973][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8172.512975][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8172.512978][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8172.512980][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8172.512982][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8172.512985][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8172.512989][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8172.512991][ C2] PKRU: 55555554 [ 8172.512992][ C2] Call Trace: [ 8172.512995][ C2] [ 8172.512998][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8172.513006][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8172.513010][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8172.513013][ C2] ? lock_acquire+0x10c/0x170 [ 8172.513016][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8172.513021][ C2] mptcp_try_fallback+0x14b/0x360 [ 8172.513025][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8172.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8172.513035][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8172.513038][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8172.513043][ C2] __mptcp_retrans+0x42a/0x960 [ 8172.513049][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8172.513055][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8172.513061][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8172.513068][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8172.513071][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8172.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8172.513077][ C2] ? lock_acquire+0x10c/0x170 [ 8172.513080][ C2] ? release_sock+0x1f/0x1d0 [ 8172.513086][ C2] release_sock+0x17f/0x1d0 [ 8172.513090][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8172.513097][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8172.513101][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8172.513105][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8172.513110][ C2] ? find_held_lock+0x2b/0x80 [ 8172.513114][ C2] sock_write_iter+0x3c1/0x520 [ 8172.513119][ C2] ? __up_write+0x1ad/0x530 [ 8172.513123][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8172.513130][ C2] ? ksys_write+0xf7/0x1d0 [ 8172.513136][ C2] vfs_write+0xc0c/0x1210 [ 8172.513140][ C2] ? ksys_write+0x137/0x1d0 [ 8172.513143][ C2] ? __lock_release+0x5d/0x170 [ 8172.513147][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8172.513151][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8172.513159][ C2] ksys_write+0x183/0x1d0 [ 8172.513162][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8172.513165][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8172.513171][ C2] do_syscall_64+0xc1/0x380 [ 8172.513175][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8172.513179][ C2] RIP: 0033:0x7f492fa5f337 [ 8172.513184][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8172.513186][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8172.513189][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8172.513191][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8172.513194][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8172.513196][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8172.513198][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8172.513204][ C2] [ 8197.041475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8197.042014][ C2] rcu: 2-....: (5949092 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2070050 [ 8197.042470][ C2] rcu: (t=5954378 jiffies g=1296501 q=103130 ncpus=4) [ 8197.042806][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8197.042812][ C2] Tainted: [L]=SOFTLOCKUP [ 8197.042814][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8197.042816][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 8197.042825][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 8197.042828][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 8197.042832][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8197.042834][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8197.042836][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8197.042838][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8197.042840][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8197.042842][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8197.042845][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8197.042849][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8197.042851][ C2] PKRU: 55555554 [ 8197.042853][ C2] Call Trace: [ 8197.042854][ C2] [ 8197.042856][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8197.042863][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8197.042871][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8197.042875][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8197.042878][ C2] ? lock_acquire+0x10c/0x170 [ 8197.042881][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8197.042887][ C2] mptcp_try_fallback+0x14b/0x360 [ 8197.042891][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8197.042898][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8197.042900][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8197.042903][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8197.042908][ C2] __mptcp_retrans+0x42a/0x960 [ 8197.042914][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8197.042920][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8197.042925][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8197.042932][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8197.042935][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8197.042938][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8197.042941][ C2] ? lock_acquire+0x10c/0x170 [ 8197.042944][ C2] ? release_sock+0x1f/0x1d0 [ 8197.042950][ C2] release_sock+0x17f/0x1d0 [ 8197.042953][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8197.042961][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8197.042964][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8197.042968][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8197.042973][ C2] ? find_held_lock+0x2b/0x80 [ 8197.042977][ C2] sock_write_iter+0x3c1/0x520 [ 8197.042982][ C2] ? __up_write+0x1ad/0x530 [ 8197.042987][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8197.042994][ C2] ? ksys_write+0xf7/0x1d0 [ 8197.042999][ C2] vfs_write+0xc0c/0x1210 [ 8197.043003][ C2] ? ksys_write+0x137/0x1d0 [ 8197.043005][ C2] ? __lock_release+0x5d/0x170 [ 8197.043009][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8197.043013][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8197.043020][ C2] ksys_write+0x183/0x1d0 [ 8197.043023][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8197.043026][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8197.043033][ C2] do_syscall_64+0xc1/0x380 [ 8197.043036][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8197.043039][ C2] RIP: 0033:0x7f492fa5f337 [ 8197.043045][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8197.043047][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8197.043050][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8197.043053][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8197.043055][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8197.043057][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8197.043060][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8197.043066][ C2] [ 8205.744488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5933049 jiffies s: 68497 root: 0x4/. [ 8205.745078][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8205.745430][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8205.745613][ C2] NMI backtrace for cpu 2 [ 8205.745619][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8205.745624][ C2] Tainted: [L]=SOFTLOCKUP [ 8205.745626][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8205.745628][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8205.745635][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8205.745639][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8205.745642][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8205.745644][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8205.745647][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8205.745648][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8205.745650][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8205.745652][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8205.745655][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8205.745659][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8205.745661][ C2] PKRU: 55555554 [ 8205.745662][ C2] Call Trace: [ 8205.745664][ C2] [ 8205.745667][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8205.745675][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8205.745679][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8205.745682][ C2] ? lock_acquire+0x10c/0x170 [ 8205.745685][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8205.745690][ C2] mptcp_try_fallback+0x14b/0x360 [ 8205.745694][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8205.745701][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8205.745704][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8205.745707][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8205.745711][ C2] __mptcp_retrans+0x42a/0x960 [ 8205.745717][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8205.745723][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8205.745728][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8205.745735][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8205.745738][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8205.745741][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8205.745744][ C2] ? lock_acquire+0x10c/0x170 [ 8205.745747][ C2] ? release_sock+0x1f/0x1d0 [ 8205.745752][ C2] release_sock+0x17f/0x1d0 [ 8205.745756][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8205.745763][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8205.745767][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8205.745771][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8205.745776][ C2] ? find_held_lock+0x2b/0x80 [ 8205.745780][ C2] sock_write_iter+0x3c1/0x520 [ 8205.745784][ C2] ? __up_write+0x1ad/0x530 [ 8205.745788][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8205.745795][ C2] ? ksys_write+0xf7/0x1d0 [ 8205.745800][ C2] vfs_write+0xc0c/0x1210 [ 8205.745804][ C2] ? ksys_write+0x137/0x1d0 [ 8205.745806][ C2] ? __lock_release+0x5d/0x170 [ 8205.745810][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8205.745814][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8205.745821][ C2] ksys_write+0x183/0x1d0 [ 8205.745825][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8205.745828][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8205.745834][ C2] do_syscall_64+0xc1/0x380 [ 8205.745837][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8205.745841][ C2] RIP: 0033:0x7f492fa5f337 [ 8205.745846][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8205.745847][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8205.745850][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8205.745853][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8205.745855][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8205.745857][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8205.745859][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8205.745865][ C2] [ 8232.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5581s! [mptcp_connect:16967] [ 8232.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8232.512926][ C2] irq event stamp: 66996 [ 8232.512928][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8232.512935][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8232.512939][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8232.512944][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8232.512950][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8232.512955][ C2] Tainted: [L]=SOFTLOCKUP [ 8232.512956][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8232.512958][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8232.512963][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8232.512967][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8232.512969][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8232.512972][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8232.512974][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8232.512976][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8232.512978][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8232.512980][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8232.512983][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8232.512987][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8232.512989][ C2] PKRU: 55555554 [ 8232.512990][ C2] Call Trace: [ 8232.512993][ C2] [ 8232.512996][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8232.513004][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8232.513008][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8232.513011][ C2] ? lock_acquire+0x10c/0x170 [ 8232.513015][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8232.513019][ C2] mptcp_try_fallback+0x14b/0x360 [ 8232.513024][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8232.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8232.513034][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8232.513036][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8232.513042][ C2] __mptcp_retrans+0x42a/0x960 [ 8232.513048][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8232.513053][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8232.513058][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8232.513065][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8232.513068][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8232.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8232.513074][ C2] ? lock_acquire+0x10c/0x170 [ 8232.513077][ C2] ? release_sock+0x1f/0x1d0 [ 8232.513083][ C2] release_sock+0x17f/0x1d0 [ 8232.513087][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8232.513094][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8232.513098][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8232.513102][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8232.513107][ C2] ? find_held_lock+0x2b/0x80 [ 8232.513110][ C2] sock_write_iter+0x3c1/0x520 [ 8232.513115][ C2] ? __up_write+0x1ad/0x530 [ 8232.513120][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8232.513126][ C2] ? ksys_write+0xf7/0x1d0 [ 8232.513132][ C2] vfs_write+0xc0c/0x1210 [ 8232.513136][ C2] ? ksys_write+0x137/0x1d0 [ 8232.513138][ C2] ? __lock_release+0x5d/0x170 [ 8232.513143][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8232.513146][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8232.513154][ C2] ksys_write+0x183/0x1d0 [ 8232.513157][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8232.513160][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8232.513166][ C2] do_syscall_64+0xc1/0x380 [ 8232.513169][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8232.513173][ C2] RIP: 0033:0x7f492fa5f337 [ 8232.513178][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8232.513180][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8232.513184][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8232.513186][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8232.513188][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8232.513190][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8232.513193][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8232.513199][ C2] [ 8260.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5607s! [mptcp_connect:16967] [ 8260.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8260.512927][ C2] irq event stamp: 66996 [ 8260.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8260.512938][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8260.512942][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8260.512946][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8260.512952][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8260.512958][ C2] Tainted: [L]=SOFTLOCKUP [ 8260.512959][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8260.512962][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 8260.512969][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <72> 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 [ 8260.512973][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 8260.512976][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8260.512978][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8260.512980][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8260.512983][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8260.512985][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8260.512987][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8260.512989][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8260.512993][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8260.512995][ C2] PKRU: 55555554 [ 8260.512996][ C2] Call Trace: [ 8260.512999][ C2] [ 8260.513001][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8260.513007][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8260.513014][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8260.513018][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8260.513021][ C2] ? lock_acquire+0x10c/0x170 [ 8260.513024][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8260.513029][ C2] mptcp_try_fallback+0x14b/0x360 [ 8260.513033][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8260.513040][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8260.513043][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8260.513046][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8260.513051][ C2] __mptcp_retrans+0x42a/0x960 [ 8260.513057][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8260.513063][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8260.513068][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8260.513075][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8260.513078][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8260.513082][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8260.513084][ C2] ? lock_acquire+0x10c/0x170 [ 8260.513088][ C2] ? release_sock+0x1f/0x1d0 [ 8260.513093][ C2] release_sock+0x17f/0x1d0 [ 8260.513097][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8260.513105][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8260.513108][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8260.513113][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8260.513117][ C2] ? find_held_lock+0x2b/0x80 [ 8260.513122][ C2] sock_write_iter+0x3c1/0x520 [ 8260.513127][ C2] ? __up_write+0x1ad/0x530 [ 8260.513132][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8260.513139][ C2] ? ksys_write+0xf7/0x1d0 [ 8260.513144][ C2] vfs_write+0xc0c/0x1210 [ 8260.513148][ C2] ? ksys_write+0x137/0x1d0 [ 8260.513150][ C2] ? __lock_release+0x5d/0x170 [ 8260.513155][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8260.513158][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8260.513166][ C2] ksys_write+0x183/0x1d0 [ 8260.513170][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8260.513173][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8260.513179][ C2] do_syscall_64+0xc1/0x380 [ 8260.513183][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8260.513186][ C2] RIP: 0033:0x7f492fa5f337 [ 8260.513192][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8260.513194][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8260.513197][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8260.513200][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8260.513202][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8260.513204][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8260.513206][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8260.513212][ C2] [ 8275.046475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8275.046846][ C2] rcu: 2-....: (6027021 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2096475 [ 8275.047407][ C2] rcu: (t=6032383 jiffies g=1296501 q=104481 ncpus=4) [ 8275.047852][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8275.047858][ C2] Tainted: [L]=SOFTLOCKUP [ 8275.047859][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8275.047862][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8275.047870][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8275.047873][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8275.047876][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8275.047878][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8275.047880][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8275.047882][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8275.047884][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8275.047886][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8275.047889][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8275.047893][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8275.047895][ C2] PKRU: 55555554 [ 8275.047897][ C2] Call Trace: [ 8275.047899][ C2] [ 8275.047901][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8275.047909][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8275.047912][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8275.047915][ C2] ? lock_acquire+0x10c/0x170 [ 8275.047919][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8275.047925][ C2] mptcp_try_fallback+0x14b/0x360 [ 8275.047929][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8275.047935][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8275.047938][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8275.047941][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8275.047946][ C2] __mptcp_retrans+0x42a/0x960 [ 8275.047952][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8275.047957][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8275.047963][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8275.047970][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8275.047973][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8275.047976][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8275.047978][ C2] ? lock_acquire+0x10c/0x170 [ 8275.047982][ C2] ? release_sock+0x1f/0x1d0 [ 8275.047987][ C2] release_sock+0x17f/0x1d0 [ 8275.047990][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8275.047997][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8275.048001][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8275.048005][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8275.048010][ C2] ? find_held_lock+0x2b/0x80 [ 8275.048014][ C2] sock_write_iter+0x3c1/0x520 [ 8275.048018][ C2] ? __up_write+0x1ad/0x530 [ 8275.048023][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8275.048029][ C2] ? ksys_write+0xf7/0x1d0 [ 8275.048035][ C2] vfs_write+0xc0c/0x1210 [ 8275.048038][ C2] ? ksys_write+0x137/0x1d0 [ 8275.048041][ C2] ? __lock_release+0x5d/0x170 [ 8275.048044][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8275.048049][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8275.048056][ C2] ksys_write+0x183/0x1d0 [ 8275.048059][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8275.048062][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8275.048068][ C2] do_syscall_64+0xc1/0x380 [ 8275.048072][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8275.048075][ C2] RIP: 0033:0x7f492fa5f337 [ 8275.048081][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8275.048083][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8275.048086][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8275.048089][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8275.048091][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8275.048093][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8275.048095][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8275.048102][ C2] [ 8300.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5644s! [mptcp_connect:16967] [ 8300.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8300.512927][ C2] irq event stamp: 66996 [ 8300.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8300.512938][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8300.512942][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8300.512947][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8300.512952][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8300.512957][ C2] Tainted: [L]=SOFTLOCKUP [ 8300.512959][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8300.512961][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8300.512966][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8300.512969][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8300.512972][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8300.512974][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8300.512976][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8300.512979][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8300.512980][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8300.512983][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8300.512986][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8300.512990][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8300.512992][ C2] PKRU: 55555554 [ 8300.512993][ C2] Call Trace: [ 8300.512996][ C2] [ 8300.512999][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8300.513006][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8300.513010][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8300.513013][ C2] ? lock_acquire+0x10c/0x170 [ 8300.513017][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8300.513021][ C2] mptcp_try_fallback+0x14b/0x360 [ 8300.513026][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8300.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8300.513035][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8300.513038][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8300.513043][ C2] __mptcp_retrans+0x42a/0x960 [ 8300.513049][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8300.513055][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8300.513060][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8300.513067][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8300.513070][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8300.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8300.513076][ C2] ? lock_acquire+0x10c/0x170 [ 8300.513080][ C2] ? release_sock+0x1f/0x1d0 [ 8300.513085][ C2] release_sock+0x17f/0x1d0 [ 8300.513089][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8300.513096][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8300.513100][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8300.513104][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8300.513109][ C2] ? find_held_lock+0x2b/0x80 [ 8300.513113][ C2] sock_write_iter+0x3c1/0x520 [ 8300.513117][ C2] ? __up_write+0x1ad/0x530 [ 8300.513122][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8300.513129][ C2] ? ksys_write+0xf7/0x1d0 [ 8300.513134][ C2] vfs_write+0xc0c/0x1210 [ 8300.513138][ C2] ? ksys_write+0x137/0x1d0 [ 8300.513140][ C2] ? __lock_release+0x5d/0x170 [ 8300.513144][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8300.513148][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8300.513156][ C2] ksys_write+0x183/0x1d0 [ 8300.513159][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8300.513162][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8300.513168][ C2] do_syscall_64+0xc1/0x380 [ 8300.513171][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8300.513175][ C2] RIP: 0033:0x7f492fa5f337 [ 8300.513180][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8300.513182][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8300.513185][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8300.513187][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8300.513189][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8300.513192][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8300.513194][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8300.513200][ C2] [ 8304.048488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6031353 jiffies s: 68497 root: 0x4/. [ 8304.049153][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8304.049407][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8304.049667][ C2] NMI backtrace for cpu 2 [ 8304.049672][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8304.049678][ C2] Tainted: [L]=SOFTLOCKUP [ 8304.049679][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8304.049681][ C2] RIP: 0010:vm_interrupt+0x54/0x160 [ 8304.049689][ C2] Code: 89 f3 48 c1 ea 03 48 83 ec 08 80 3c 02 00 0f 85 fc 00 00 00 48 8b 83 28 05 00 00 44 8b 68 60 48 8b 83 28 05 00 00 44 89 68 64 <45> 89 ec 41 83 e4 02 0f 85 b5 00 00 00 41 83 e5 01 0f 84 95 00 00 [ 8304.049693][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [ 8304.049696][ C2] RAX: ffffc9000002ec00 RBX: ffff88800626b800 RCX: ffffffffa4623c21 [ 8304.049698][ C2] RDX: 1ffff11000c4d7a5 RSI: ffff88800626b800 RDI: ffff88800626bd28 [ 8304.049700][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff514a2fa [ 8304.049702][ C2] R10: ffffffffa8a517d7 R11: ffffc90000218ff8 R12: ffff888002126400 [ 8304.049705][ C2] R13: 0000000000000001 R14: ffffffffa56624b0 R15: ffff888006230b00 [ 8304.049707][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8304.049710][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8304.049714][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8304.049716][ C2] PKRU: 55555554 [ 8304.049717][ C2] Call Trace: [ 8304.049720][ C2] [ 8304.049722][ C2] ? rcu_is_watching+0x12/0xc0 [ 8304.049731][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 8304.049734][ C2] __handle_irq_event_percpu+0x190/0x310 [ 8304.049742][ C2] handle_irq_event+0xaa/0x1c0 [ 8304.049746][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 8304.049752][ C2] __common_interrupt+0xad/0x1d0 [ 8304.049760][ C2] common_interrupt+0xb9/0xe0 [ 8304.049765][ C2] [ 8304.049766][ C2] [ 8304.049768][ C2] asm_common_interrupt+0x26/0x40 [ 8304.049772][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8304.049777][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8304.049779][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8304.049782][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8304.049784][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8304.049786][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8304.049788][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8304.049790][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8304.049794][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8304.049800][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8304.049808][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8304.049811][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8304.049814][ C2] ? lock_acquire+0x10c/0x170 [ 8304.049818][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8304.049823][ C2] mptcp_try_fallback+0x14b/0x360 [ 8304.049827][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8304.049833][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8304.049836][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8304.049839][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8304.049844][ C2] __mptcp_retrans+0x42a/0x960 [ 8304.049850][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8304.049855][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8304.049860][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8304.049867][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8304.049871][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8304.049874][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8304.049877][ C2] ? lock_acquire+0x10c/0x170 [ 8304.049880][ C2] ? release_sock+0x1f/0x1d0 [ 8304.049885][ C2] release_sock+0x17f/0x1d0 [ 8304.049888][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8304.049896][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8304.049900][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8304.049904][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8304.049908][ C2] ? find_held_lock+0x2b/0x80 [ 8304.049912][ C2] sock_write_iter+0x3c1/0x520 [ 8304.049917][ C2] ? __up_write+0x1ad/0x530 [ 8304.049921][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8304.049927][ C2] ? ksys_write+0xf7/0x1d0 [ 8304.049933][ C2] vfs_write+0xc0c/0x1210 [ 8304.049936][ C2] ? ksys_write+0x137/0x1d0 [ 8304.049939][ C2] ? __lock_release+0x5d/0x170 [ 8304.049943][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8304.049947][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8304.049954][ C2] ksys_write+0x183/0x1d0 [ 8304.049957][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8304.049960][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8304.049965][ C2] do_syscall_64+0xc1/0x380 [ 8304.049969][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8304.049972][ C2] RIP: 0033:0x7f492fa5f337 [ 8304.049976][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8304.049978][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8304.049981][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8304.049983][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8304.049985][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8304.049987][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8304.049990][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8304.049996][ C2] [ 8328.512907][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5670s! [mptcp_connect:16967] [ 8328.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8328.512936][ C2] irq event stamp: 66996 [ 8328.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8328.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8328.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8328.512960][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8328.512969][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8328.512975][ C2] Tainted: [L]=SOFTLOCKUP [ 8328.512976][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8328.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8328.512985][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8328.512989][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8328.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8328.512995][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8328.512997][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8328.512999][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8328.513001][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8328.513004][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8328.513007][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8328.513011][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8328.513013][ C2] PKRU: 55555554 [ 8328.513015][ C2] Call Trace: [ 8328.513019][ C2] [ 8328.513023][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8328.513032][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8328.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8328.513041][ C2] ? lock_acquire+0x10c/0x170 [ 8328.513046][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8328.513051][ C2] mptcp_try_fallback+0x14b/0x360 [ 8328.513055][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8328.513063][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8328.513066][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8328.513068][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8328.513074][ C2] __mptcp_retrans+0x42a/0x960 [ 8328.513080][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8328.513085][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8328.513093][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8328.513101][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8328.513104][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8328.513107][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8328.513110][ C2] ? lock_acquire+0x10c/0x170 [ 8328.513113][ C2] ? release_sock+0x1f/0x1d0 [ 8328.513119][ C2] release_sock+0x17f/0x1d0 [ 8328.513124][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8328.513131][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8328.513135][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8328.513139][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8328.513147][ C2] ? find_held_lock+0x2b/0x80 [ 8328.513151][ C2] sock_write_iter+0x3c1/0x520 [ 8328.513157][ C2] ? __up_write+0x1ad/0x530 [ 8328.513162][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8328.513169][ C2] ? ksys_write+0xf7/0x1d0 [ 8328.513177][ C2] vfs_write+0xc0c/0x1210 [ 8328.513180][ C2] ? ksys_write+0x137/0x1d0 [ 8328.513183][ C2] ? __lock_release+0x5d/0x170 [ 8328.513187][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8328.513191][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8328.513199][ C2] ksys_write+0x183/0x1d0 [ 8328.513202][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8328.513205][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8328.513212][ C2] do_syscall_64+0xc1/0x380 [ 8328.513217][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8328.513221][ C2] RIP: 0033:0x7f492fa5f337 [ 8328.513231][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8328.513233][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8328.513237][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8328.513239][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8328.513241][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8328.513243][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8328.513245][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8328.513251][ C2] [ 8353.051475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8353.052017][ C2] rcu: 2-....: (6104944 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2122999 [ 8353.052418][ C2] rcu: (t=6110388 jiffies g=1296501 q=105919 ncpus=4) [ 8353.052788][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8353.052795][ C2] Tainted: [L]=SOFTLOCKUP [ 8353.052797][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8353.052799][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8353.052810][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8353.052814][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8353.052817][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8353.052820][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8353.052822][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8353.052824][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8353.052826][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8353.052828][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8353.052831][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8353.052835][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8353.052837][ C2] PKRU: 55555554 [ 8353.052839][ C2] Call Trace: [ 8353.052840][ C2] [ 8353.052843][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8353.052851][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8353.052855][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8353.052858][ C2] ? lock_acquire+0x10c/0x170 [ 8353.052862][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8353.052868][ C2] mptcp_try_fallback+0x14b/0x360 [ 8353.052872][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8353.052879][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8353.052882][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8353.052884][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8353.052889][ C2] __mptcp_retrans+0x42a/0x960 [ 8353.052896][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8353.052901][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8353.052909][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8353.052917][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8353.052920][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8353.052923][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8353.052926][ C2] ? lock_acquire+0x10c/0x170 [ 8353.052929][ C2] ? release_sock+0x1f/0x1d0 [ 8353.052935][ C2] release_sock+0x17f/0x1d0 [ 8353.052939][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8353.052946][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8353.052950][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8353.052955][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8353.052961][ C2] ? find_held_lock+0x2b/0x80 [ 8353.052965][ C2] sock_write_iter+0x3c1/0x520 [ 8353.052970][ C2] ? __up_write+0x1ad/0x530 [ 8353.052975][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8353.052982][ C2] ? ksys_write+0xf7/0x1d0 [ 8353.052988][ C2] vfs_write+0xc0c/0x1210 [ 8353.052992][ C2] ? ksys_write+0x137/0x1d0 [ 8353.052994][ C2] ? __lock_release+0x5d/0x170 [ 8353.052998][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8353.053002][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8353.053009][ C2] ksys_write+0x183/0x1d0 [ 8353.053013][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8353.053015][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8353.053022][ C2] do_syscall_64+0xc1/0x380 [ 8353.053026][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8353.053030][ C2] RIP: 0033:0x7f492fa5f337 [ 8353.053037][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8353.053039][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8353.053042][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8353.053044][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8353.053046][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8353.053048][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8353.053050][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8353.053056][ C2] [ 8380.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5718s! [mptcp_connect:16967] [ 8380.512913][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8380.512930][ C2] irq event stamp: 66996 [ 8380.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8380.512942][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8380.512947][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8380.512952][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8380.512960][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8380.512966][ C2] Tainted: [L]=SOFTLOCKUP [ 8380.512967][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8380.512970][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8380.512976][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8380.512979][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8380.512982][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8380.512985][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8380.512987][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8380.512989][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8380.512991][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8380.512993][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8380.512996][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8380.513000][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8380.513003][ C2] PKRU: 55555554 [ 8380.513005][ C2] Call Trace: [ 8380.513007][ C2] [ 8380.513011][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8380.513018][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8380.513023][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8380.513027][ C2] ? lock_acquire+0x10c/0x170 [ 8380.513031][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8380.513036][ C2] mptcp_try_fallback+0x14b/0x360 [ 8380.513041][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8380.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8380.513050][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8380.513053][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8380.513058][ C2] __mptcp_retrans+0x42a/0x960 [ 8380.513064][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8380.513070][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8380.513077][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8380.513084][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8380.513087][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8380.513090][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8380.513093][ C2] ? lock_acquire+0x10c/0x170 [ 8380.513096][ C2] ? release_sock+0x1f/0x1d0 [ 8380.513103][ C2] release_sock+0x17f/0x1d0 [ 8380.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8380.513114][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8380.513118][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8380.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8380.513128][ C2] ? find_held_lock+0x2b/0x80 [ 8380.513132][ C2] sock_write_iter+0x3c1/0x520 [ 8380.513138][ C2] ? __up_write+0x1ad/0x530 [ 8380.513143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8380.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 8380.513157][ C2] vfs_write+0xc0c/0x1210 [ 8380.513160][ C2] ? ksys_write+0x137/0x1d0 [ 8380.513163][ C2] ? __lock_release+0x5d/0x170 [ 8380.513167][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8380.513171][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8380.513178][ C2] ksys_write+0x183/0x1d0 [ 8380.513182][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8380.513184][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8380.513191][ C2] do_syscall_64+0xc1/0x380 [ 8380.513194][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8380.513198][ C2] RIP: 0033:0x7f492fa5f337 [ 8380.513205][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8380.513207][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8380.513210][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8380.513213][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8380.513215][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8380.513217][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8380.513219][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8380.513226][ C2] [ 8402.352490][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6129657 jiffies s: 68497 root: 0x4/. [ 8402.353108][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8402.353299][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8402.353470][ C2] NMI backtrace for cpu 2 [ 8402.353479][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8402.353484][ C2] Tainted: [L]=SOFTLOCKUP [ 8402.353485][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8402.353487][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8402.353496][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 8402.353499][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8402.353502][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 8402.353505][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8402.353507][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8402.353509][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8402.353512][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 8402.353514][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8402.353516][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8402.353520][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8402.353522][ C2] PKRU: 55555554 [ 8402.353523][ C2] Call Trace: [ 8402.353526][ C2] [ 8402.353528][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8402.353537][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8402.353546][ C2] __common_interrupt+0xad/0x1d0 [ 8402.353554][ C2] common_interrupt+0xb9/0xe0 [ 8402.353558][ C2] [ 8402.353560][ C2] [ 8402.353562][ C2] asm_common_interrupt+0x26/0x40 [ 8402.353566][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8402.353571][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8402.353575][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8402.353577][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8402.353580][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8402.353582][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8402.353584][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8402.353586][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8402.353590][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8402.353596][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8402.353603][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8402.353607][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8402.353610][ C2] ? lock_acquire+0x10c/0x170 [ 8402.353614][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8402.353620][ C2] mptcp_try_fallback+0x14b/0x360 [ 8402.353624][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8402.353630][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8402.353633][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8402.353636][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8402.353641][ C2] __mptcp_retrans+0x42a/0x960 [ 8402.353647][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8402.353652][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8402.353658][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8402.353665][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8402.353668][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8402.353671][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8402.353674][ C2] ? lock_acquire+0x10c/0x170 [ 8402.353677][ C2] ? release_sock+0x1f/0x1d0 [ 8402.353683][ C2] release_sock+0x17f/0x1d0 [ 8402.353686][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8402.353693][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8402.353697][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8402.353701][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8402.353706][ C2] ? find_held_lock+0x2b/0x80 [ 8402.353710][ C2] sock_write_iter+0x3c1/0x520 [ 8402.353715][ C2] ? __up_write+0x1ad/0x530 [ 8402.353719][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8402.353726][ C2] ? ksys_write+0xf7/0x1d0 [ 8402.353732][ C2] vfs_write+0xc0c/0x1210 [ 8402.353735][ C2] ? ksys_write+0x137/0x1d0 [ 8402.353738][ C2] ? __lock_release+0x5d/0x170 [ 8402.353742][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8402.353746][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8402.353753][ C2] ksys_write+0x183/0x1d0 [ 8402.353756][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8402.353759][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8402.353765][ C2] do_syscall_64+0xc1/0x380 [ 8402.353768][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8402.353771][ C2] RIP: 0033:0x7f492fa5f337 [ 8402.353777][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8402.353779][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8402.353783][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8402.353785][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8402.353787][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8402.353790][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8402.353792][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8402.353798][ C2] [ 8428.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5763s! [mptcp_connect:16967] [ 8428.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8428.512928][ C2] irq event stamp: 66996 [ 8428.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8428.512937][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8428.512941][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8428.512946][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8428.512953][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8428.512958][ C2] Tainted: [L]=SOFTLOCKUP [ 8428.512960][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8428.512962][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8428.512967][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8428.512970][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8428.512973][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8428.512976][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8428.512978][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8428.512980][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8428.512982][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8428.512985][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8428.512988][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8428.512991][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8428.512993][ C2] PKRU: 55555554 [ 8428.512995][ C2] Call Trace: [ 8428.512997][ C2] [ 8428.513000][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8428.513008][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8428.513013][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8428.513015][ C2] ? lock_acquire+0x10c/0x170 [ 8428.513019][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8428.513024][ C2] mptcp_try_fallback+0x14b/0x360 [ 8428.513028][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8428.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8428.513037][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8428.513040][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8428.513045][ C2] __mptcp_retrans+0x42a/0x960 [ 8428.513051][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8428.513056][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8428.513063][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8428.513070][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8428.513073][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8428.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8428.513078][ C2] ? lock_acquire+0x10c/0x170 [ 8428.513081][ C2] ? release_sock+0x1f/0x1d0 [ 8428.513087][ C2] release_sock+0x17f/0x1d0 [ 8428.513090][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8428.513098][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8428.513102][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8428.513106][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8428.513111][ C2] ? find_held_lock+0x2b/0x80 [ 8428.513116][ C2] sock_write_iter+0x3c1/0x520 [ 8428.513120][ C2] ? __up_write+0x1ad/0x530 [ 8428.513125][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8428.513132][ C2] ? ksys_write+0xf7/0x1d0 [ 8428.513138][ C2] vfs_write+0xc0c/0x1210 [ 8428.513142][ C2] ? ksys_write+0x137/0x1d0 [ 8428.513144][ C2] ? __lock_release+0x5d/0x170 [ 8428.513148][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8428.513152][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8428.513159][ C2] ksys_write+0x183/0x1d0 [ 8428.513162][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8428.513165][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8428.513171][ C2] do_syscall_64+0xc1/0x380 [ 8428.513174][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8428.513178][ C2] RIP: 0033:0x7f492fa5f337 [ 8428.513184][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8428.513186][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8428.513189][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8428.513191][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8428.513194][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8428.513196][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8428.513198][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8428.513204][ C2] [ 8431.056474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8431.057040][ C2] rcu: 2-....: (6182866 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2149434 [ 8431.057568][ C2] rcu: (t=6188394 jiffies g=1296501 q=107345 ncpus=4) [ 8431.057940][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8431.057946][ C2] Tainted: [L]=SOFTLOCKUP [ 8431.057947][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8431.057950][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 8431.057957][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <72> 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 [ 8431.057960][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 8431.057963][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8431.057965][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8431.057967][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8431.057970][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8431.057972][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8431.057974][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8431.057977][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8431.057981][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8431.057983][ C2] PKRU: 55555554 [ 8431.057985][ C2] Call Trace: [ 8431.057987][ C2] [ 8431.057989][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8431.057995][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8431.058002][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8431.058006][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8431.058009][ C2] ? lock_acquire+0x10c/0x170 [ 8431.058012][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8431.058018][ C2] mptcp_try_fallback+0x14b/0x360 [ 8431.058022][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8431.058028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8431.058031][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8431.058034][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8431.058039][ C2] __mptcp_retrans+0x42a/0x960 [ 8431.058044][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8431.058050][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8431.058055][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8431.058062][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8431.058065][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8431.058068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8431.058071][ C2] ? lock_acquire+0x10c/0x170 [ 8431.058074][ C2] ? release_sock+0x1f/0x1d0 [ 8431.058079][ C2] release_sock+0x17f/0x1d0 [ 8431.058082][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8431.058090][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8431.058093][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8431.058097][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8431.058102][ C2] ? find_held_lock+0x2b/0x80 [ 8431.058106][ C2] sock_write_iter+0x3c1/0x520 [ 8431.058110][ C2] ? __up_write+0x1ad/0x530 [ 8431.058114][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8431.058120][ C2] ? ksys_write+0xf7/0x1d0 [ 8431.058126][ C2] vfs_write+0xc0c/0x1210 [ 8431.058129][ C2] ? ksys_write+0x137/0x1d0 [ 8431.058131][ C2] ? __lock_release+0x5d/0x170 [ 8431.058135][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8431.058139][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8431.058146][ C2] ksys_write+0x183/0x1d0 [ 8431.058149][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8431.058152][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8431.058158][ C2] do_syscall_64+0xc1/0x380 [ 8431.058161][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8431.058165][ C2] RIP: 0033:0x7f492fa5f337 [ 8431.058170][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8431.058171][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8431.058174][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8431.058176][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8431.058183][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8431.058185][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8431.058187][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8431.058193][ C2] [ 8456.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5789s! [mptcp_connect:16967] [ 8456.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8456.512925][ C2] irq event stamp: 66996 [ 8456.512926][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8456.512933][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8456.512938][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8456.512943][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8456.512948][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8456.512954][ C2] Tainted: [L]=SOFTLOCKUP [ 8456.512955][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8456.512958][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8456.512962][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8456.512965][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8456.512968][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8456.512971][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8456.512973][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8456.512975][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8456.512977][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8456.512980][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8456.512983][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8456.512986][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8456.512988][ C2] PKRU: 55555554 [ 8456.512990][ C2] Call Trace: [ 8456.512992][ C2] [ 8456.512995][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8456.513003][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8456.513006][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8456.513009][ C2] ? lock_acquire+0x10c/0x170 [ 8456.513013][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8456.513018][ C2] mptcp_try_fallback+0x14b/0x360 [ 8456.513022][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8456.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8456.513031][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8456.513034][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8456.513039][ C2] __mptcp_retrans+0x42a/0x960 [ 8456.513045][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8456.513050][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8456.513056][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8456.513063][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8456.513066][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8456.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8456.513072][ C2] ? lock_acquire+0x10c/0x170 [ 8456.513075][ C2] ? release_sock+0x1f/0x1d0 [ 8456.513080][ C2] release_sock+0x17f/0x1d0 [ 8456.513083][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8456.513091][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8456.513095][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8456.513099][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8456.513103][ C2] ? find_held_lock+0x2b/0x80 [ 8456.513108][ C2] sock_write_iter+0x3c1/0x520 [ 8456.513112][ C2] ? __up_write+0x1ad/0x530 [ 8456.513116][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8456.513122][ C2] ? ksys_write+0xf7/0x1d0 [ 8456.513128][ C2] vfs_write+0xc0c/0x1210 [ 8456.513131][ C2] ? ksys_write+0x137/0x1d0 [ 8456.513134][ C2] ? __lock_release+0x5d/0x170 [ 8456.513138][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8456.513142][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8456.513149][ C2] ksys_write+0x183/0x1d0 [ 8456.513153][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8456.513155][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8456.513161][ C2] do_syscall_64+0xc1/0x380 [ 8456.513165][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8456.513168][ C2] RIP: 0033:0x7f492fa5f337 [ 8456.513173][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8456.513174][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8456.513177][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8456.513179][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8456.513182][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8456.513184][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8456.513186][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8456.513192][ C2] [ 8484.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5815s! [mptcp_connect:16967] [ 8484.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8484.512923][ C2] irq event stamp: 66996 [ 8484.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8484.512932][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8484.512936][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8484.512941][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8484.512946][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8484.512952][ C2] Tainted: [L]=SOFTLOCKUP [ 8484.512954][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8484.512956][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 8484.512961][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <72> 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 [ 8484.512964][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 8484.512967][ C2] RAX: ffff88800bf86b34 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8484.512970][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8484.512972][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8484.512974][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8484.512976][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8484.512978][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8484.512981][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8484.512985][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8484.512988][ C2] PKRU: 55555554 [ 8484.512989][ C2] Call Trace: [ 8484.512992][ C2] [ 8484.512994][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8484.513001][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8484.513008][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8484.513012][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8484.513015][ C2] ? lock_acquire+0x10c/0x170 [ 8484.513019][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8484.513023][ C2] mptcp_try_fallback+0x14b/0x360 [ 8484.513027][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8484.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8484.513037][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8484.513040][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8484.513045][ C2] __mptcp_retrans+0x42a/0x960 [ 8484.513050][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8484.513055][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8484.513061][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8484.513068][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8484.513071][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8484.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8484.513077][ C2] ? lock_acquire+0x10c/0x170 [ 8484.513080][ C2] ? release_sock+0x1f/0x1d0 [ 8484.513085][ C2] release_sock+0x17f/0x1d0 [ 8484.513089][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8484.513097][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8484.513100][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8484.513104][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8484.513109][ C2] ? find_held_lock+0x2b/0x80 [ 8484.513113][ C2] sock_write_iter+0x3c1/0x520 [ 8484.513117][ C2] ? __up_write+0x1ad/0x530 [ 8484.513122][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8484.513129][ C2] ? ksys_write+0xf7/0x1d0 [ 8484.513134][ C2] vfs_write+0xc0c/0x1210 [ 8484.513137][ C2] ? ksys_write+0x137/0x1d0 [ 8484.513140][ C2] ? __lock_release+0x5d/0x170 [ 8484.513144][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8484.513148][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8484.513155][ C2] ksys_write+0x183/0x1d0 [ 8484.513159][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8484.513162][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8484.513168][ C2] do_syscall_64+0xc1/0x380 [ 8484.513171][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8484.513174][ C2] RIP: 0033:0x7f492fa5f337 [ 8484.513179][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8484.513181][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8484.513184][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8484.513187][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8484.513189][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8484.513191][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8484.513193][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8484.513199][ C2] [ 8500.655493][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6227960 jiffies s: 68497 root: 0x4/. [ 8500.656132][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8500.656323][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8500.656519][ C2] NMI backtrace for cpu 2 [ 8500.656525][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8500.656530][ C2] Tainted: [L]=SOFTLOCKUP [ 8500.656531][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8500.656534][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8500.656541][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8500.656544][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8500.656547][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8500.656549][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8500.656551][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8500.656554][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8500.656556][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8500.656558][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8500.656561][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8500.656564][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8500.656566][ C2] PKRU: 55555554 [ 8500.656568][ C2] Call Trace: [ 8500.656570][ C2] [ 8500.656573][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8500.656580][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8500.656584][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8500.656587][ C2] ? lock_acquire+0x10c/0x170 [ 8500.656590][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8500.656595][ C2] mptcp_try_fallback+0x14b/0x360 [ 8500.656600][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8500.656606][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8500.656609][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8500.656612][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8500.656617][ C2] __mptcp_retrans+0x42a/0x960 [ 8500.656622][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8500.656628][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8500.656633][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8500.656640][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8500.656643][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8500.656646][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8500.656649][ C2] ? lock_acquire+0x10c/0x170 [ 8500.656652][ C2] ? release_sock+0x1f/0x1d0 [ 8500.656658][ C2] release_sock+0x17f/0x1d0 [ 8500.656661][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8500.656669][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8500.656673][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8500.656677][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8500.656681][ C2] ? find_held_lock+0x2b/0x80 [ 8500.656686][ C2] sock_write_iter+0x3c1/0x520 [ 8500.656690][ C2] ? __up_write+0x1ad/0x530 [ 8500.656694][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8500.656701][ C2] ? ksys_write+0xf7/0x1d0 [ 8500.656707][ C2] vfs_write+0xc0c/0x1210 [ 8500.656710][ C2] ? ksys_write+0x137/0x1d0 [ 8500.656713][ C2] ? __lock_release+0x5d/0x170 [ 8500.656717][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8500.656720][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8500.656727][ C2] ksys_write+0x183/0x1d0 [ 8500.656731][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8500.656733][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8500.656739][ C2] do_syscall_64+0xc1/0x380 [ 8500.656742][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8500.656745][ C2] RIP: 0033:0x7f492fa5f337 [ 8500.656750][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8500.656752][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8500.656755][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8500.656758][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8500.656760][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8500.656762][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8500.656764][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8500.656770][ C2] [ 8509.061475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8509.061855][ C2] rcu: 2-....: (6260795 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2175968 [ 8509.062455][ C2] rcu: (t=6266398 jiffies g=1296501 q=108696 ncpus=4) [ 8509.062786][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8509.062791][ C2] Tainted: [L]=SOFTLOCKUP [ 8509.062793][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8509.062795][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8509.062801][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8509.062805][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8509.062808][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8509.062810][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8509.062812][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8509.062815][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8509.062817][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8509.062819][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8509.062822][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8509.062826][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8509.062829][ C2] PKRU: 55555554 [ 8509.062830][ C2] Call Trace: [ 8509.062832][ C2] [ 8509.062834][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8509.062842][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8509.062846][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8509.062849][ C2] ? lock_acquire+0x10c/0x170 [ 8509.062852][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8509.062857][ C2] mptcp_try_fallback+0x14b/0x360 [ 8509.062861][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8509.062867][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8509.062870][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8509.062873][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8509.062878][ C2] __mptcp_retrans+0x42a/0x960 [ 8509.062884][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8509.062889][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8509.062895][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8509.062902][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8509.062905][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8509.062908][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8509.062911][ C2] ? lock_acquire+0x10c/0x170 [ 8509.062914][ C2] ? release_sock+0x1f/0x1d0 [ 8509.062919][ C2] release_sock+0x17f/0x1d0 [ 8509.062922][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8509.062929][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8509.062933][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8509.062937][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8509.062941][ C2] ? find_held_lock+0x2b/0x80 [ 8509.062945][ C2] sock_write_iter+0x3c1/0x520 [ 8509.062949][ C2] ? __up_write+0x1ad/0x530 [ 8509.062953][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8509.062959][ C2] ? ksys_write+0xf7/0x1d0 [ 8509.062965][ C2] vfs_write+0xc0c/0x1210 [ 8509.062968][ C2] ? ksys_write+0x137/0x1d0 [ 8509.062971][ C2] ? __lock_release+0x5d/0x170 [ 8509.062975][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8509.062979][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8509.062986][ C2] ksys_write+0x183/0x1d0 [ 8509.062990][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8509.062993][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8509.062998][ C2] do_syscall_64+0xc1/0x380 [ 8509.063002][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8509.063005][ C2] RIP: 0033:0x7f492fa5f337 [ 8509.063009][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8509.063011][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8509.063014][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8509.063016][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8509.063018][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8509.063020][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8509.063022][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8509.063029][ C2] [ 8536.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5864s! [mptcp_connect:16967] [ 8536.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8536.512925][ C2] irq event stamp: 66996 [ 8536.512927][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8536.512934][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8536.512938][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8536.512943][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8536.512949][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8536.512954][ C2] Tainted: [L]=SOFTLOCKUP [ 8536.512955][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8536.512958][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 8536.512963][ C2] Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 b0 48 89 da 4c 89 d8 4c 29 da e9 49 ff ff ff 48 85 d2 74 b3 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 01 00 [ 8536.512967][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 8536.512970][ C2] RAX: ffffed10017f0d66 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 8536.512973][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8536.512975][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8536.512977][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8536.512979][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8536.512982][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8536.512985][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8536.512989][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8536.512991][ C2] PKRU: 55555554 [ 8536.512992][ C2] Call Trace: [ 8536.512994][ C2] [ 8536.512997][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8536.513002][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8536.513009][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8536.513013][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8536.513015][ C2] ? lock_acquire+0x10c/0x170 [ 8536.513019][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8536.513024][ C2] mptcp_try_fallback+0x14b/0x360 [ 8536.513028][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8536.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8536.513037][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8536.513040][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8536.513045][ C2] __mptcp_retrans+0x42a/0x960 [ 8536.513051][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8536.513056][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8536.513062][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8536.513069][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8536.513072][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8536.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8536.513078][ C2] ? lock_acquire+0x10c/0x170 [ 8536.513081][ C2] ? release_sock+0x1f/0x1d0 [ 8536.513086][ C2] release_sock+0x17f/0x1d0 [ 8536.513090][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8536.513097][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8536.513101][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8536.513105][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8536.513110][ C2] ? find_held_lock+0x2b/0x80 [ 8536.513114][ C2] sock_write_iter+0x3c1/0x520 [ 8536.513118][ C2] ? __up_write+0x1ad/0x530 [ 8536.513122][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8536.513129][ C2] ? ksys_write+0xf7/0x1d0 [ 8536.513134][ C2] vfs_write+0xc0c/0x1210 [ 8536.513138][ C2] ? ksys_write+0x137/0x1d0 [ 8536.513140][ C2] ? __lock_release+0x5d/0x170 [ 8536.513144][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8536.513148][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8536.513155][ C2] ksys_write+0x183/0x1d0 [ 8536.513159][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8536.513162][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8536.513167][ C2] do_syscall_64+0xc1/0x380 [ 8536.513171][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8536.513174][ C2] RIP: 0033:0x7f492fa5f337 [ 8536.513180][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8536.513182][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8536.513185][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8536.513187][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8536.513189][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8536.513191][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8536.513193][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8536.513200][ C2] [ 8564.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5890s! [mptcp_connect:16967] [ 8564.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8564.512924][ C2] irq event stamp: 66996 [ 8564.512926][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8564.512933][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8564.512937][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8564.512941][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8564.512947][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8564.512952][ C2] Tainted: [L]=SOFTLOCKUP [ 8564.512954][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8564.512956][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8564.512961][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8564.512964][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8564.512967][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8564.512969][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8564.512971][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8564.512974][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8564.512976][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8564.512979][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8564.512982][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8564.512985][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8564.512988][ C2] PKRU: 55555554 [ 8564.512990][ C2] Call Trace: [ 8564.512992][ C2] [ 8564.512995][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8564.513002][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8564.513006][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8564.513009][ C2] ? lock_acquire+0x10c/0x170 [ 8564.513012][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8564.513017][ C2] mptcp_try_fallback+0x14b/0x360 [ 8564.513021][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8564.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8564.513031][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8564.513034][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8564.513039][ C2] __mptcp_retrans+0x42a/0x960 [ 8564.513044][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8564.513050][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8564.513055][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8564.513062][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8564.513065][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8564.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8564.513071][ C2] ? lock_acquire+0x10c/0x170 [ 8564.513074][ C2] ? release_sock+0x1f/0x1d0 [ 8564.513079][ C2] release_sock+0x17f/0x1d0 [ 8564.513082][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8564.513090][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8564.513093][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8564.513097][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8564.513102][ C2] ? find_held_lock+0x2b/0x80 [ 8564.513106][ C2] sock_write_iter+0x3c1/0x520 [ 8564.513110][ C2] ? __up_write+0x1ad/0x530 [ 8564.513114][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8564.513121][ C2] ? ksys_write+0xf7/0x1d0 [ 8564.513126][ C2] vfs_write+0xc0c/0x1210 [ 8564.513130][ C2] ? ksys_write+0x137/0x1d0 [ 8564.513132][ C2] ? __lock_release+0x5d/0x170 [ 8564.513136][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8564.513141][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8564.513148][ C2] ksys_write+0x183/0x1d0 [ 8564.513151][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8564.513154][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8564.513159][ C2] do_syscall_64+0xc1/0x380 [ 8564.513163][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8564.513166][ C2] RIP: 0033:0x7f492fa5f337 [ 8564.513171][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8564.513173][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8564.513176][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8564.513179][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8564.513181][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8564.513183][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8564.513185][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8564.513191][ C2] [ 8587.066475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8587.066941][ C2] rcu: 2-....: (6338743 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2202426 [ 8587.067529][ C2] rcu: (t=6344404 jiffies g=1296501 q=109722 ncpus=4) [ 8587.067792][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8587.067798][ C2] Tainted: [L]=SOFTLOCKUP [ 8587.067799][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8587.067802][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8587.067808][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8587.067811][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8587.067814][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8587.067817][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8587.067819][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8587.067821][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8587.067823][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8587.067825][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8587.067828][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8587.067833][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8587.067835][ C2] PKRU: 55555554 [ 8587.067837][ C2] Call Trace: [ 8587.067838][ C2] [ 8587.067840][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8587.067848][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8587.067852][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8587.067854][ C2] ? lock_acquire+0x10c/0x170 [ 8587.067858][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8587.067864][ C2] mptcp_try_fallback+0x14b/0x360 [ 8587.067868][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8587.067874][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8587.067876][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8587.067879][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8587.067884][ C2] __mptcp_retrans+0x42a/0x960 [ 8587.067890][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8587.067895][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8587.067901][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8587.067908][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8587.067911][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8587.067914][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8587.067917][ C2] ? lock_acquire+0x10c/0x170 [ 8587.067920][ C2] ? release_sock+0x1f/0x1d0 [ 8587.067925][ C2] release_sock+0x17f/0x1d0 [ 8587.067929][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8587.067937][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8587.067940][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8587.067944][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8587.067949][ C2] ? find_held_lock+0x2b/0x80 [ 8587.067953][ C2] sock_write_iter+0x3c1/0x520 [ 8587.067957][ C2] ? __up_write+0x1ad/0x530 [ 8587.067961][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8587.067968][ C2] ? ksys_write+0xf7/0x1d0 [ 8587.067973][ C2] vfs_write+0xc0c/0x1210 [ 8587.067976][ C2] ? ksys_write+0x137/0x1d0 [ 8587.067979][ C2] ? __lock_release+0x5d/0x170 [ 8587.067983][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8587.067987][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8587.067994][ C2] ksys_write+0x183/0x1d0 [ 8587.067998][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8587.068000][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8587.068006][ C2] do_syscall_64+0xc1/0x380 [ 8587.068009][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8587.068012][ C2] RIP: 0033:0x7f492fa5f337 [ 8587.068018][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8587.068019][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8587.068022][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8587.068024][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8587.068026][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8587.068028][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8587.068030][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8587.068037][ C2] [ 8598.960490][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6326265 jiffies s: 68497 root: 0x4/. [ 8598.961095][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8598.961349][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8598.961697][ C2] NMI backtrace for cpu 2 [ 8598.961703][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8598.961709][ C2] Tainted: [L]=SOFTLOCKUP [ 8598.961710][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8598.961712][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8598.961719][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8598.961722][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8598.961725][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8598.961728][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8598.961730][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8598.961732][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8598.961734][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8598.961737][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8598.961739][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8598.961743][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8598.961746][ C2] PKRU: 55555554 [ 8598.961747][ C2] Call Trace: [ 8598.961750][ C2] [ 8598.961753][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8598.961760][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8598.961764][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8598.961767][ C2] ? lock_acquire+0x10c/0x170 [ 8598.961771][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8598.961776][ C2] mptcp_try_fallback+0x14b/0x360 [ 8598.961781][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8598.961787][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8598.961791][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8598.961793][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8598.961798][ C2] __mptcp_retrans+0x42a/0x960 [ 8598.961804][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8598.961809][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8598.961815][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8598.961822][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8598.961825][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8598.961828][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8598.961831][ C2] ? lock_acquire+0x10c/0x170 [ 8598.961834][ C2] ? release_sock+0x1f/0x1d0 [ 8598.961839][ C2] release_sock+0x17f/0x1d0 [ 8598.961843][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8598.961850][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8598.961853][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8598.961857][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8598.961862][ C2] ? find_held_lock+0x2b/0x80 [ 8598.961866][ C2] sock_write_iter+0x3c1/0x520 [ 8598.961870][ C2] ? __up_write+0x1ad/0x530 [ 8598.961874][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8598.961881][ C2] ? ksys_write+0xf7/0x1d0 [ 8598.961886][ C2] vfs_write+0xc0c/0x1210 [ 8598.961889][ C2] ? ksys_write+0x137/0x1d0 [ 8598.961892][ C2] ? __lock_release+0x5d/0x170 [ 8598.961896][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8598.961899][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8598.961907][ C2] ksys_write+0x183/0x1d0 [ 8598.961910][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8598.961913][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8598.961919][ C2] do_syscall_64+0xc1/0x380 [ 8598.961922][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8598.961925][ C2] RIP: 0033:0x7f492fa5f337 [ 8598.961931][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8598.961933][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8598.961936][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8598.961938][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8598.961940][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8598.961942][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8598.961945][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8598.961951][ C2] [ 8624.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5946s! [mptcp_connect:16967] [ 8624.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8624.512932][ C2] irq event stamp: 66996 [ 8624.512934][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8624.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8624.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8624.512955][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8624.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8624.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 8624.512971][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8624.512974][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8624.512979][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8624.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8624.512986][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8624.512988][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8624.512990][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8624.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8624.512995][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8624.512997][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8624.513000][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8624.513004][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8624.513006][ C2] PKRU: 55555554 [ 8624.513008][ C2] Call Trace: [ 8624.513011][ C2] [ 8624.513015][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8624.513022][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8624.513027][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8624.513030][ C2] ? lock_acquire+0x10c/0x170 [ 8624.513034][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8624.513039][ C2] mptcp_try_fallback+0x14b/0x360 [ 8624.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8624.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8624.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8624.513056][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8624.513061][ C2] __mptcp_retrans+0x42a/0x960 [ 8624.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8624.513072][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8624.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8624.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8624.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8624.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8624.513095][ C2] ? lock_acquire+0x10c/0x170 [ 8624.513099][ C2] ? release_sock+0x1f/0x1d0 [ 8624.513104][ C2] release_sock+0x17f/0x1d0 [ 8624.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8624.513116][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8624.513120][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8624.513124][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8624.513130][ C2] ? find_held_lock+0x2b/0x80 [ 8624.513135][ C2] sock_write_iter+0x3c1/0x520 [ 8624.513140][ C2] ? __up_write+0x1ad/0x530 [ 8624.513146][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8624.513152][ C2] ? ksys_write+0xf7/0x1d0 [ 8624.513159][ C2] vfs_write+0xc0c/0x1210 [ 8624.513163][ C2] ? ksys_write+0x137/0x1d0 [ 8624.513165][ C2] ? __lock_release+0x5d/0x170 [ 8624.513170][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8624.513174][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8624.513181][ C2] ksys_write+0x183/0x1d0 [ 8624.513185][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8624.513187][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8624.513194][ C2] do_syscall_64+0xc1/0x380 [ 8624.513198][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8624.513202][ C2] RIP: 0033:0x7f492fa5f337 [ 8624.513210][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8624.513211][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8624.513215][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8624.513217][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8624.513219][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8624.513221][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8624.513223][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8624.513230][ C2] [ 8652.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5972s! [mptcp_connect:16967] [ 8652.512913][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8652.512929][ C2] irq event stamp: 66996 [ 8652.512930][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8652.512940][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8652.512944][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8652.512949][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8652.512956][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8652.512962][ C2] Tainted: [L]=SOFTLOCKUP [ 8652.512963][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8652.512966][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8652.512971][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8652.512974][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8652.512977][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8652.512979][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8652.512982][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8652.512984][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8652.512986][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8652.512988][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8652.512991][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8652.512995][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8652.512997][ C2] PKRU: 55555554 [ 8652.512998][ C2] Call Trace: [ 8652.513000][ C2] [ 8652.513004][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8652.513012][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8652.513016][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8652.513019][ C2] ? lock_acquire+0x10c/0x170 [ 8652.513023][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8652.513028][ C2] mptcp_try_fallback+0x14b/0x360 [ 8652.513032][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8652.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8652.513042][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8652.513045][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8652.513050][ C2] __mptcp_retrans+0x42a/0x960 [ 8652.513056][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8652.513062][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8652.513068][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8652.513075][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8652.513078][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8652.513081][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8652.513084][ C2] ? lock_acquire+0x10c/0x170 [ 8652.513087][ C2] ? release_sock+0x1f/0x1d0 [ 8652.513093][ C2] release_sock+0x17f/0x1d0 [ 8652.513097][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8652.513104][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8652.513108][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8652.513112][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8652.513119][ C2] ? find_held_lock+0x2b/0x80 [ 8652.513123][ C2] sock_write_iter+0x3c1/0x520 [ 8652.513128][ C2] ? __up_write+0x1ad/0x530 [ 8652.513133][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8652.513140][ C2] ? ksys_write+0xf7/0x1d0 [ 8652.513146][ C2] vfs_write+0xc0c/0x1210 [ 8652.513150][ C2] ? ksys_write+0x137/0x1d0 [ 8652.513153][ C2] ? __lock_release+0x5d/0x170 [ 8652.513157][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8652.513161][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8652.513169][ C2] ksys_write+0x183/0x1d0 [ 8652.513172][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8652.513175][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8652.513182][ C2] do_syscall_64+0xc1/0x380 [ 8652.513186][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8652.513189][ C2] RIP: 0033:0x7f492fa5f337 [ 8652.513197][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8652.513199][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8652.513202][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8652.513204][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8652.513207][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8652.513209][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8652.513211][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8652.513217][ C2] [ 8665.071475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8665.071966][ C2] rcu: 2-....: (6416674 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2228833 [ 8665.072509][ C2] rcu: (t=6422409 jiffies g=1296501 q=111067 ncpus=4) [ 8665.072783][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8665.072789][ C2] Tainted: [L]=SOFTLOCKUP [ 8665.072790][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8665.072792][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8665.072799][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8665.072803][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8665.072806][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8665.072808][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8665.072811][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8665.072813][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8665.072815][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8665.072817][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8665.072820][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8665.072824][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8665.072826][ C2] PKRU: 55555554 [ 8665.072827][ C2] Call Trace: [ 8665.072829][ C2] [ 8665.072831][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8665.072839][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8665.072843][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8665.072846][ C2] ? lock_acquire+0x10c/0x170 [ 8665.072849][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8665.072855][ C2] mptcp_try_fallback+0x14b/0x360 [ 8665.072859][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8665.072865][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8665.072867][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8665.072870][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8665.072875][ C2] __mptcp_retrans+0x42a/0x960 [ 8665.072881][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8665.072886][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8665.072892][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8665.072899][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8665.072901][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8665.072905][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8665.072908][ C2] ? lock_acquire+0x10c/0x170 [ 8665.072911][ C2] ? release_sock+0x1f/0x1d0 [ 8665.072917][ C2] release_sock+0x17f/0x1d0 [ 8665.072920][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8665.072927][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8665.072931][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8665.072935][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8665.072940][ C2] ? find_held_lock+0x2b/0x80 [ 8665.072945][ C2] sock_write_iter+0x3c1/0x520 [ 8665.072949][ C2] ? __up_write+0x1ad/0x530 [ 8665.072954][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8665.072961][ C2] ? ksys_write+0xf7/0x1d0 [ 8665.072967][ C2] vfs_write+0xc0c/0x1210 [ 8665.072970][ C2] ? ksys_write+0x137/0x1d0 [ 8665.072972][ C2] ? __lock_release+0x5d/0x170 [ 8665.072976][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8665.072980][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8665.072988][ C2] ksys_write+0x183/0x1d0 [ 8665.072991][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8665.072994][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8665.072999][ C2] do_syscall_64+0xc1/0x380 [ 8665.073003][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8665.073006][ C2] RIP: 0033:0x7f492fa5f337 [ 8665.073012][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8665.073014][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8665.073016][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8665.073019][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8665.073021][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8665.073022][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8665.073024][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8665.073031][ C2] [ 8692.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6009s! [mptcp_connect:16967] [ 8692.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8692.512926][ C2] irq event stamp: 66996 [ 8692.512927][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8692.512936][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8692.512940][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8692.512945][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8692.512951][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8692.512956][ C2] Tainted: [L]=SOFTLOCKUP [ 8692.512958][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8692.512960][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 8692.512967][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 8692.512970][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 8692.512973][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8692.512976][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8692.512978][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8692.512980][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8692.512982][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8692.512984][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8692.512987][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8692.512991][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8692.512993][ C2] PKRU: 55555554 [ 8692.512994][ C2] Call Trace: [ 8692.512997][ C2] [ 8692.512998][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8692.513004][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8692.513012][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8692.513016][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8692.513018][ C2] ? lock_acquire+0x10c/0x170 [ 8692.513022][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8692.513026][ C2] mptcp_try_fallback+0x14b/0x360 [ 8692.513030][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8692.513037][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8692.513040][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8692.513043][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8692.513048][ C2] __mptcp_retrans+0x42a/0x960 [ 8692.513054][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8692.513059][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8692.513065][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8692.513072][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8692.513074][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8692.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8692.513080][ C2] ? lock_acquire+0x10c/0x170 [ 8692.513083][ C2] ? release_sock+0x1f/0x1d0 [ 8692.513089][ C2] release_sock+0x17f/0x1d0 [ 8692.513092][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8692.513100][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8692.513103][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8692.513107][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8692.513112][ C2] ? find_held_lock+0x2b/0x80 [ 8692.513116][ C2] sock_write_iter+0x3c1/0x520 [ 8692.513121][ C2] ? __up_write+0x1ad/0x530 [ 8692.513125][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8692.513132][ C2] ? ksys_write+0xf7/0x1d0 [ 8692.513137][ C2] vfs_write+0xc0c/0x1210 [ 8692.513140][ C2] ? ksys_write+0x137/0x1d0 [ 8692.513143][ C2] ? __lock_release+0x5d/0x170 [ 8692.513148][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8692.513151][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8692.513159][ C2] ksys_write+0x183/0x1d0 [ 8692.513162][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8692.513165][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8692.513171][ C2] do_syscall_64+0xc1/0x380 [ 8692.513174][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8692.513178][ C2] RIP: 0033:0x7f492fa5f337 [ 8692.513184][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8692.513186][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8692.513188][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8692.513191][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8692.513193][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8692.513195][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8692.513197][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8692.513203][ C2] [ 8697.264488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6424569 jiffies s: 68497 root: 0x4/. [ 8697.265050][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8697.265306][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8697.265568][ C2] NMI backtrace for cpu 2 [ 8697.265574][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8697.265580][ C2] Tainted: [L]=SOFTLOCKUP [ 8697.265581][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8697.265583][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8697.265590][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8697.265594][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8697.265598][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8697.265600][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8697.265602][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8697.265604][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8697.265606][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8697.265609][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8697.265611][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8697.265616][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8697.265617][ C2] PKRU: 55555554 [ 8697.265619][ C2] Call Trace: [ 8697.265621][ C2] [ 8697.265624][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8697.265631][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8697.265635][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8697.265638][ C2] ? lock_acquire+0x10c/0x170 [ 8697.265641][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8697.265647][ C2] mptcp_try_fallback+0x14b/0x360 [ 8697.265651][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8697.265657][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8697.265660][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8697.265663][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8697.265668][ C2] __mptcp_retrans+0x42a/0x960 [ 8697.265674][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8697.265679][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8697.265685][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8697.265692][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8697.265694][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8697.265698][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8697.265701][ C2] ? lock_acquire+0x10c/0x170 [ 8697.265705][ C2] ? release_sock+0x1f/0x1d0 [ 8697.265710][ C2] release_sock+0x17f/0x1d0 [ 8697.265713][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8697.265721][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8697.265724][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8697.265728][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8697.265733][ C2] ? find_held_lock+0x2b/0x80 [ 8697.265736][ C2] sock_write_iter+0x3c1/0x520 [ 8697.265741][ C2] ? __up_write+0x1ad/0x530 [ 8697.265745][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8697.265751][ C2] ? ksys_write+0xf7/0x1d0 [ 8697.265756][ C2] vfs_write+0xc0c/0x1210 [ 8697.265760][ C2] ? ksys_write+0x137/0x1d0 [ 8697.265762][ C2] ? __lock_release+0x5d/0x170 [ 8697.265766][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8697.265770][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8697.265777][ C2] ksys_write+0x183/0x1d0 [ 8697.265781][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8697.265784][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8697.265789][ C2] do_syscall_64+0xc1/0x380 [ 8697.265793][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8697.265796][ C2] RIP: 0033:0x7f492fa5f337 [ 8697.265801][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8697.265803][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8697.265806][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8697.265809][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8697.265811][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8697.265813][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8697.265815][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8697.265821][ C2] [ 8724.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6039s! [mptcp_connect:16967] [ 8724.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8724.512926][ C2] irq event stamp: 66996 [ 8724.512928][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8724.512935][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8724.512939][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8724.512944][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8724.512950][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8724.512955][ C2] Tainted: [L]=SOFTLOCKUP [ 8724.512957][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8724.512959][ C2] RIP: 0010:kasan_check_range+0x106/0x1c0 [ 8724.512965][ C2] Code: 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff <5b> b8 01 00 00 00 5d 41 5c e9 3c fa 1a 02 41 bc 08 00 00 00 45 29 [ 8724.512969][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 8724.512972][ C2] RAX: ffffed10017f0d67 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 8724.512975][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8724.512977][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8724.512979][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8724.512981][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8724.512983][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8724.512986][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8724.512990][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8724.512992][ C2] PKRU: 55555554 [ 8724.512993][ C2] Call Trace: [ 8724.512996][ C2] [ 8724.512999][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8724.513004][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8724.513012][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8724.513015][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8724.513018][ C2] ? lock_acquire+0x10c/0x170 [ 8724.513022][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8724.513027][ C2] mptcp_try_fallback+0x14b/0x360 [ 8724.513031][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8724.513037][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8724.513040][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8724.513043][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8724.513049][ C2] __mptcp_retrans+0x42a/0x960 [ 8724.513054][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8724.513059][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8724.513065][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8724.513072][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8724.513075][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8724.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8724.513081][ C2] ? lock_acquire+0x10c/0x170 [ 8724.513084][ C2] ? release_sock+0x1f/0x1d0 [ 8724.513089][ C2] release_sock+0x17f/0x1d0 [ 8724.513093][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8724.513101][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8724.513104][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8724.513109][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8724.513114][ C2] ? find_held_lock+0x2b/0x80 [ 8724.513118][ C2] sock_write_iter+0x3c1/0x520 [ 8724.513123][ C2] ? __up_write+0x1ad/0x530 [ 8724.513127][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8724.513133][ C2] ? ksys_write+0xf7/0x1d0 [ 8724.513139][ C2] vfs_write+0xc0c/0x1210 [ 8724.513142][ C2] ? ksys_write+0x137/0x1d0 [ 8724.513145][ C2] ? __lock_release+0x5d/0x170 [ 8724.513149][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8724.513153][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8724.513160][ C2] ksys_write+0x183/0x1d0 [ 8724.513164][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8724.513166][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8724.513173][ C2] do_syscall_64+0xc1/0x380 [ 8724.513176][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8724.513180][ C2] RIP: 0033:0x7f492fa5f337 [ 8724.513186][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8724.513188][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8724.513191][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8724.513193][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8724.513195][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8724.513198][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8724.513200][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8724.513206][ C2] [ 8743.076477][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8743.076942][ C2] rcu: 2-....: (6494604 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2255298 [ 8743.077479][ C2] rcu: (t=6500414 jiffies g=1296501 q=112418 ncpus=4) [ 8743.077737][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8743.077745][ C2] Tainted: [L]=SOFTLOCKUP [ 8743.077746][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8743.077749][ C2] RIP: 0010:kasan_check_range+0x4f/0x1c0 [ 8743.077760][ C2] Code: ff ff ff ff ff ff fe 48 39 c7 77 23 44 89 c2 e8 b7 e7 ff ff 83 f0 01 5b 5d 41 5c e9 0b fb 1a 02 48 b8 ff ff ff ff ff 7f ff ff <48> 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff [ 8743.077764][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000282 [ 8743.077768][ C2] RAX: ffff7fffffffffff RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8743.077771][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8743.077773][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8743.077775][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8743.077778][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8743.077780][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8743.077783][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8743.077787][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8743.077789][ C2] PKRU: 55555554 [ 8743.077791][ C2] Call Trace: [ 8743.077793][ C2] [ 8743.077795][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8743.077805][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8743.077812][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8743.077817][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8743.077819][ C2] ? lock_acquire+0x10c/0x170 [ 8743.077824][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8743.077831][ C2] mptcp_try_fallback+0x14b/0x360 [ 8743.077835][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8743.077842][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8743.077844][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8743.077847][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8743.077853][ C2] __mptcp_retrans+0x42a/0x960 [ 8743.077859][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8743.077864][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8743.077873][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8743.077881][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8743.077884][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8743.077887][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8743.077890][ C2] ? lock_acquire+0x10c/0x170 [ 8743.077893][ C2] ? release_sock+0x1f/0x1d0 [ 8743.077899][ C2] release_sock+0x17f/0x1d0 [ 8743.077903][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8743.077911][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8743.077915][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8743.077919][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8743.077926][ C2] ? find_held_lock+0x2b/0x80 [ 8743.077930][ C2] sock_write_iter+0x3c1/0x520 [ 8743.077937][ C2] ? __up_write+0x1ad/0x530 [ 8743.077942][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8743.077948][ C2] ? ksys_write+0xf7/0x1d0 [ 8743.077955][ C2] vfs_write+0xc0c/0x1210 [ 8743.077958][ C2] ? ksys_write+0x137/0x1d0 [ 8743.077961][ C2] ? __lock_release+0x5d/0x170 [ 8743.077965][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8743.077969][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8743.077976][ C2] ksys_write+0x183/0x1d0 [ 8743.077980][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8743.077983][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8743.077991][ C2] do_syscall_64+0xc1/0x380 [ 8743.077995][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8743.077999][ C2] RIP: 0033:0x7f492fa5f337 [ 8743.078009][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8743.078011][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8743.078014][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8743.078016][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8743.078018][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8743.078020][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8743.078022][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8743.078029][ C2] [ 8768.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6080s! [mptcp_connect:16967] [ 8768.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8768.512931][ C2] irq event stamp: 66996 [ 8768.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8768.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8768.512948][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8768.512953][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8768.512961][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8768.512967][ C2] Tainted: [L]=SOFTLOCKUP [ 8768.512968][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8768.512970][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8768.512975][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8768.512979][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8768.512982][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8768.512985][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8768.512987][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8768.512989][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8768.512991][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8768.512994][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8768.512997][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8768.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8768.513003][ C2] PKRU: 55555554 [ 8768.513005][ C2] Call Trace: [ 8768.513007][ C2] [ 8768.513011][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8768.513019][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8768.513024][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8768.513027][ C2] ? lock_acquire+0x10c/0x170 [ 8768.513032][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8768.513037][ C2] mptcp_try_fallback+0x14b/0x360 [ 8768.513041][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8768.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8768.513051][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8768.513054][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8768.513059][ C2] __mptcp_retrans+0x42a/0x960 [ 8768.513065][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8768.513071][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8768.513077][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8768.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8768.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8768.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8768.513094][ C2] ? lock_acquire+0x10c/0x170 [ 8768.513097][ C2] ? release_sock+0x1f/0x1d0 [ 8768.513103][ C2] release_sock+0x17f/0x1d0 [ 8768.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8768.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8768.513118][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8768.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8768.513128][ C2] ? find_held_lock+0x2b/0x80 [ 8768.513133][ C2] sock_write_iter+0x3c1/0x520 [ 8768.513138][ C2] ? __up_write+0x1ad/0x530 [ 8768.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8768.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 8768.513156][ C2] vfs_write+0xc0c/0x1210 [ 8768.513160][ C2] ? ksys_write+0x137/0x1d0 [ 8768.513163][ C2] ? __lock_release+0x5d/0x170 [ 8768.513167][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8768.513171][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8768.513178][ C2] ksys_write+0x183/0x1d0 [ 8768.513182][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8768.513185][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8768.513192][ C2] do_syscall_64+0xc1/0x380 [ 8768.513196][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8768.513200][ C2] RIP: 0033:0x7f492fa5f337 [ 8768.513208][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8768.513210][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8768.513213][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8768.513215][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8768.513218][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8768.513220][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8768.513222][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8768.513228][ C2] [ 8795.568488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6522873 jiffies s: 68497 root: 0x4/. [ 8795.569098][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8795.569296][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8795.569565][ C2] NMI backtrace for cpu 2 [ 8795.569573][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8795.569579][ C2] Tainted: [L]=SOFTLOCKUP [ 8795.569581][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8795.569583][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 8795.569592][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 8795.569595][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8795.569599][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8795.569601][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8795.569604][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8795.569606][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8795.569608][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8795.569610][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8795.569613][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8795.569617][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8795.569619][ C2] PKRU: 55555554 [ 8795.569620][ C2] Call Trace: [ 8795.569623][ C2] [ 8795.569627][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8795.569635][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8795.569639][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8795.569642][ C2] ? lock_acquire+0x10c/0x170 [ 8795.569647][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8795.569652][ C2] mptcp_try_fallback+0x14b/0x360 [ 8795.569656][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8795.569663][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8795.569666][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8795.569669][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8795.569674][ C2] __mptcp_retrans+0x42a/0x960 [ 8795.569680][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8795.569686][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8795.569692][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8795.569699][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8795.569702][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8795.569706][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8795.569709][ C2] ? lock_acquire+0x10c/0x170 [ 8795.569712][ C2] ? release_sock+0x1f/0x1d0 [ 8795.569717][ C2] release_sock+0x17f/0x1d0 [ 8795.569721][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8795.569729][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8795.569732][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8795.569736][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8795.569742][ C2] ? find_held_lock+0x2b/0x80 [ 8795.569746][ C2] sock_write_iter+0x3c1/0x520 [ 8795.569752][ C2] ? __up_write+0x1ad/0x530 [ 8795.569757][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8795.569763][ C2] ? ksys_write+0xf7/0x1d0 [ 8795.569768][ C2] vfs_write+0xc0c/0x1210 [ 8795.569773][ C2] ? ksys_write+0x137/0x1d0 [ 8795.569775][ C2] ? __lock_release+0x5d/0x170 [ 8795.569780][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8795.569784][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8795.569791][ C2] ksys_write+0x183/0x1d0 [ 8795.569794][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8795.569797][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8795.569803][ C2] do_syscall_64+0xc1/0x380 [ 8795.569807][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8795.569811][ C2] RIP: 0033:0x7f492fa5f337 [ 8795.569817][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8795.569819][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8795.569822][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8795.569824][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8795.569827][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8795.569829][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8795.569831][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8795.569837][ C2] [ 8820.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6128s! [mptcp_connect:16967] [ 8820.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8820.512928][ C2] irq event stamp: 66996 [ 8820.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8820.512939][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8820.512943][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8820.512948][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8820.512954][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8820.512959][ C2] Tainted: [L]=SOFTLOCKUP [ 8820.512960][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8820.512962][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8820.512967][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8820.512971][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8820.512974][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8820.512976][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8820.512979][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8820.512981][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8820.512983][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8820.512985][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8820.512988][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8820.512992][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8820.512994][ C2] PKRU: 55555554 [ 8820.512995][ C2] Call Trace: [ 8820.512997][ C2] [ 8820.513001][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8820.513008][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8820.513013][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8820.513016][ C2] ? lock_acquire+0x10c/0x170 [ 8820.513020][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8820.513025][ C2] mptcp_try_fallback+0x14b/0x360 [ 8820.513029][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8820.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8820.513038][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8820.513041][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8820.513047][ C2] __mptcp_retrans+0x42a/0x960 [ 8820.513053][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8820.513058][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8820.513064][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8820.513071][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8820.513074][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8820.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8820.513080][ C2] ? lock_acquire+0x10c/0x170 [ 8820.513083][ C2] ? release_sock+0x1f/0x1d0 [ 8820.513089][ C2] release_sock+0x17f/0x1d0 [ 8820.513093][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8820.513100][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8820.513103][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8820.513107][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8820.513112][ C2] ? find_held_lock+0x2b/0x80 [ 8820.513116][ C2] sock_write_iter+0x3c1/0x520 [ 8820.513121][ C2] ? __up_write+0x1ad/0x530 [ 8820.513126][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8820.513132][ C2] ? ksys_write+0xf7/0x1d0 [ 8820.513138][ C2] vfs_write+0xc0c/0x1210 [ 8820.513141][ C2] ? ksys_write+0x137/0x1d0 [ 8820.513144][ C2] ? __lock_release+0x5d/0x170 [ 8820.513148][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8820.513152][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8820.513160][ C2] ksys_write+0x183/0x1d0 [ 8820.513163][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8820.513166][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8820.513173][ C2] do_syscall_64+0xc1/0x380 [ 8820.513176][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8820.513180][ C2] RIP: 0033:0x7f492fa5f337 [ 8820.513186][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8820.513188][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8820.513191][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8820.513193][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8820.513195][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8820.513197][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8820.513199][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8820.513206][ C2] [ 8821.081474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8821.082009][ C2] rcu: 2-....: (6572533 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2281656 [ 8821.082545][ C2] rcu: (t=6578419 jiffies g=1296501 q=113766 ncpus=4) [ 8821.082818][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8821.082823][ C2] Tainted: [L]=SOFTLOCKUP [ 8821.082825][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8821.082827][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8821.082833][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8821.082836][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8821.082839][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8821.082841][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8821.082844][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8821.082846][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8821.082847][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8821.082850][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8821.082852][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8821.082856][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8821.082858][ C2] PKRU: 55555554 [ 8821.082860][ C2] Call Trace: [ 8821.082861][ C2] [ 8821.082864][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8821.082871][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8821.082875][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8821.082878][ C2] ? lock_acquire+0x10c/0x170 [ 8821.082882][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8821.082887][ C2] mptcp_try_fallback+0x14b/0x360 [ 8821.082891][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8821.082897][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8821.082900][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8821.082903][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8821.082909][ C2] __mptcp_retrans+0x42a/0x960 [ 8821.082914][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8821.082920][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8821.082925][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8821.082933][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8821.082936][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8821.082939][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8821.082942][ C2] ? lock_acquire+0x10c/0x170 [ 8821.082945][ C2] ? release_sock+0x1f/0x1d0 [ 8821.082950][ C2] release_sock+0x17f/0x1d0 [ 8821.082953][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8821.082960][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8821.082964][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8821.082968][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8821.082973][ C2] ? find_held_lock+0x2b/0x80 [ 8821.082976][ C2] sock_write_iter+0x3c1/0x520 [ 8821.082980][ C2] ? __up_write+0x1ad/0x530 [ 8821.082985][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8821.082991][ C2] ? ksys_write+0xf7/0x1d0 [ 8821.082997][ C2] vfs_write+0xc0c/0x1210 [ 8821.082999][ C2] ? ksys_write+0x137/0x1d0 [ 8821.083002][ C2] ? __lock_release+0x5d/0x170 [ 8821.083006][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8821.083010][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8821.083017][ C2] ksys_write+0x183/0x1d0 [ 8821.083021][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8821.083024][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8821.083030][ C2] do_syscall_64+0xc1/0x380 [ 8821.083033][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8821.083037][ C2] RIP: 0033:0x7f492fa5f337 [ 8821.083041][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8821.083043][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8821.083046][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8821.083048][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8821.083050][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8821.083052][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8821.083054][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8821.083061][ C2] [ 8848.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6154s! [mptcp_connect:16967] [ 8848.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8848.512925][ C2] irq event stamp: 66996 [ 8848.512927][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8848.512935][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8848.512939][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8848.512944][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8848.512949][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8848.512955][ C2] Tainted: [L]=SOFTLOCKUP [ 8848.512956][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8848.512958][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8848.512963][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8848.512966][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8848.512969][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8848.512971][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8848.512973][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8848.512976][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8848.512978][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8848.512980][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8848.512983][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8848.512987][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8848.512989][ C2] PKRU: 55555554 [ 8848.512990][ C2] Call Trace: [ 8848.512992][ C2] [ 8848.512995][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8848.513003][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8848.513007][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8848.513010][ C2] ? lock_acquire+0x10c/0x170 [ 8848.513013][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8848.513018][ C2] mptcp_try_fallback+0x14b/0x360 [ 8848.513022][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8848.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8848.513032][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8848.513035][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8848.513040][ C2] __mptcp_retrans+0x42a/0x960 [ 8848.513046][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8848.513052][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8848.513058][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8848.513065][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8848.513068][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8848.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8848.513074][ C2] ? lock_acquire+0x10c/0x170 [ 8848.513077][ C2] ? release_sock+0x1f/0x1d0 [ 8848.513082][ C2] release_sock+0x17f/0x1d0 [ 8848.513086][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8848.513093][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8848.513096][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8848.513100][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8848.513105][ C2] ? find_held_lock+0x2b/0x80 [ 8848.513109][ C2] sock_write_iter+0x3c1/0x520 [ 8848.513113][ C2] ? __up_write+0x1ad/0x530 [ 8848.513117][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8848.513124][ C2] ? ksys_write+0xf7/0x1d0 [ 8848.513129][ C2] vfs_write+0xc0c/0x1210 [ 8848.513133][ C2] ? ksys_write+0x137/0x1d0 [ 8848.513136][ C2] ? __lock_release+0x5d/0x170 [ 8848.513140][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8848.513144][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8848.513151][ C2] ksys_write+0x183/0x1d0 [ 8848.513155][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8848.513158][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8848.513163][ C2] do_syscall_64+0xc1/0x380 [ 8848.513167][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8848.513170][ C2] RIP: 0033:0x7f492fa5f337 [ 8848.513175][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8848.513177][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8848.513180][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8848.513182][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8848.513185][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8848.513187][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8848.513189][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8848.513195][ C2] [ 8876.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6180s! [mptcp_connect:16967] [ 8876.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8876.512932][ C2] irq event stamp: 66996 [ 8876.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8876.512944][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8876.512949][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8876.512954][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8876.512962][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8876.512967][ C2] Tainted: [L]=SOFTLOCKUP [ 8876.512969][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8876.512971][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8876.512976][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8876.512980][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8876.512983][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8876.512985][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8876.512987][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8876.512989][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8876.512991][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8876.512994][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8876.512996][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8876.513001][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8876.513003][ C2] PKRU: 55555554 [ 8876.513004][ C2] Call Trace: [ 8876.513007][ C2] [ 8876.513010][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8876.513018][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8876.513023][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8876.513026][ C2] ? lock_acquire+0x10c/0x170 [ 8876.513031][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8876.513036][ C2] mptcp_try_fallback+0x14b/0x360 [ 8876.513040][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8876.513047][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8876.513050][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8876.513053][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8876.513058][ C2] __mptcp_retrans+0x42a/0x960 [ 8876.513064][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8876.513069][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8876.513076][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8876.513083][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8876.513086][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8876.513090][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8876.513092][ C2] ? lock_acquire+0x10c/0x170 [ 8876.513095][ C2] ? release_sock+0x1f/0x1d0 [ 8876.513102][ C2] release_sock+0x17f/0x1d0 [ 8876.513106][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8876.513114][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8876.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8876.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8876.513128][ C2] ? find_held_lock+0x2b/0x80 [ 8876.513132][ C2] sock_write_iter+0x3c1/0x520 [ 8876.513139][ C2] ? __up_write+0x1ad/0x530 [ 8876.513144][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8876.513151][ C2] ? ksys_write+0xf7/0x1d0 [ 8876.513157][ C2] vfs_write+0xc0c/0x1210 [ 8876.513161][ C2] ? ksys_write+0x137/0x1d0 [ 8876.513164][ C2] ? __lock_release+0x5d/0x170 [ 8876.513168][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8876.513172][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8876.513180][ C2] ksys_write+0x183/0x1d0 [ 8876.513183][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8876.513186][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8876.513194][ C2] do_syscall_64+0xc1/0x380 [ 8876.513198][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8876.513202][ C2] RIP: 0033:0x7f492fa5f337 [ 8876.513210][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8876.513212][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8876.513215][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8876.513217][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8876.513219][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8876.513221][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8876.513223][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8876.513229][ C2] [ 8893.871493][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6621176 jiffies s: 68497 root: 0x4/. [ 8893.871999][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8893.872269][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8893.872438][ C2] NMI backtrace for cpu 2 [ 8893.872445][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8893.872451][ C2] Tainted: [L]=SOFTLOCKUP [ 8893.872452][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8893.872454][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8893.872462][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 8893.872466][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8893.872469][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 8893.872473][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8893.872476][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8893.872478][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8893.872480][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 8893.872482][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8893.872485][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8893.872489][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8893.872491][ C2] PKRU: 55555554 [ 8893.872493][ C2] Call Trace: [ 8893.872496][ C2] [ 8893.872497][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8893.872507][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8893.872515][ C2] __common_interrupt+0xad/0x1d0 [ 8893.872523][ C2] common_interrupt+0xb9/0xe0 [ 8893.872528][ C2] [ 8893.872529][ C2] [ 8893.872531][ C2] asm_common_interrupt+0x26/0x40 [ 8893.872535][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 8893.872541][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 8893.872544][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8893.872547][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8893.872549][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8893.872551][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8893.872553][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8893.872555][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8893.872559][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8893.872565][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8893.872572][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8893.872577][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8893.872579][ C2] ? lock_acquire+0x10c/0x170 [ 8893.872583][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8893.872589][ C2] mptcp_try_fallback+0x14b/0x360 [ 8893.872593][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8893.872599][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8893.872602][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8893.872605][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8893.872610][ C2] __mptcp_retrans+0x42a/0x960 [ 8893.872616][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8893.872621][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8893.872627][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8893.872634][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8893.872637][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8893.872640][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8893.872643][ C2] ? lock_acquire+0x10c/0x170 [ 8893.872647][ C2] ? release_sock+0x1f/0x1d0 [ 8893.872652][ C2] release_sock+0x17f/0x1d0 [ 8893.872656][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8893.872663][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8893.872667][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8893.872671][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8893.872678][ C2] ? find_held_lock+0x2b/0x80 [ 8893.872682][ C2] sock_write_iter+0x3c1/0x520 [ 8893.872687][ C2] ? __up_write+0x1ad/0x530 [ 8893.872692][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8893.872698][ C2] ? ksys_write+0xf7/0x1d0 [ 8893.872704][ C2] vfs_write+0xc0c/0x1210 [ 8893.872708][ C2] ? ksys_write+0x137/0x1d0 [ 8893.872711][ C2] ? __lock_release+0x5d/0x170 [ 8893.872715][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8893.872718][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8893.872726][ C2] ksys_write+0x183/0x1d0 [ 8893.872729][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8893.872732][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8893.872738][ C2] do_syscall_64+0xc1/0x380 [ 8893.872741][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8893.872744][ C2] RIP: 0033:0x7f492fa5f337 [ 8893.872751][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8893.872753][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8893.872756][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8893.872758][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8893.872760][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8893.872762][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8893.872764][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8893.872770][ C2] [ 8899.086474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8899.087059][ C2] rcu: 2-....: (6650457 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2308110 [ 8899.087626][ C2] rcu: (t=6656424 jiffies g=1296501 q=115192 ncpus=4) [ 8899.087966][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8899.087972][ C2] Tainted: [L]=SOFTLOCKUP [ 8899.087973][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8899.087976][ C2] RIP: 0010:kasan_check_range+0x10f/0x1c0 [ 8899.087984][ C2] Code: 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff 5b b8 01 00 00 00 5d 41 5c 3c fa 1a 02 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c 48 83 [ 8899.087987][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 8899.087990][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8899.087992][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8899.087995][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8899.087997][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8899.087999][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8899.088001][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8899.088004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8899.088009][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8899.088011][ C2] PKRU: 55555554 [ 8899.088012][ C2] Call Trace: [ 8899.088014][ C2] [ 8899.088015][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8899.088022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8899.088029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8899.088033][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8899.088035][ C2] ? lock_acquire+0x10c/0x170 [ 8899.088039][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8899.088045][ C2] mptcp_try_fallback+0x14b/0x360 [ 8899.088048][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8899.088055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8899.088057][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8899.088060][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8899.088066][ C2] __mptcp_retrans+0x42a/0x960 [ 8899.088071][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8899.088077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8899.088082][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8899.088089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8899.088092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8899.088095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8899.088098][ C2] ? lock_acquire+0x10c/0x170 [ 8899.088101][ C2] ? release_sock+0x1f/0x1d0 [ 8899.088107][ C2] release_sock+0x17f/0x1d0 [ 8899.088111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8899.088118][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8899.088122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8899.088126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8899.088131][ C2] ? find_held_lock+0x2b/0x80 [ 8899.088135][ C2] sock_write_iter+0x3c1/0x520 [ 8899.088139][ C2] ? __up_write+0x1ad/0x530 [ 8899.088143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8899.088150][ C2] ? ksys_write+0xf7/0x1d0 [ 8899.088155][ C2] vfs_write+0xc0c/0x1210 [ 8899.088158][ C2] ? ksys_write+0x137/0x1d0 [ 8899.088161][ C2] ? __lock_release+0x5d/0x170 [ 8899.088165][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8899.088168][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8899.088175][ C2] ksys_write+0x183/0x1d0 [ 8899.088179][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8899.088182][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8899.088188][ C2] do_syscall_64+0xc1/0x380 [ 8899.088191][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8899.088195][ C2] RIP: 0033:0x7f492fa5f337 [ 8899.088200][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8899.088202][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8899.088205][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8899.088208][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8899.088210][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8899.088212][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8899.088214][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8899.088221][ C2] [ 8924.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6225s! [mptcp_connect:16967] [ 8924.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8924.512927][ C2] irq event stamp: 66996 [ 8924.512928][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8924.512936][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8924.512941][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8924.512945][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8924.512951][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8924.512956][ C2] Tainted: [L]=SOFTLOCKUP [ 8924.512958][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8924.512960][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8924.512965][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8924.512968][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8924.512970][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8924.512973][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8924.512975][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8924.512977][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8924.512979][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8924.512982][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8924.512984][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8924.512988][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8924.512990][ C2] PKRU: 55555554 [ 8924.512992][ C2] Call Trace: [ 8924.512994][ C2] [ 8924.512997][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8924.513005][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8924.513009][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8924.513012][ C2] ? lock_acquire+0x10c/0x170 [ 8924.513015][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8924.513020][ C2] mptcp_try_fallback+0x14b/0x360 [ 8924.513024][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8924.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8924.513034][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8924.513037][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8924.513042][ C2] __mptcp_retrans+0x42a/0x960 [ 8924.513048][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8924.513053][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8924.513059][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8924.513066][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8924.513068][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8924.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8924.513075][ C2] ? lock_acquire+0x10c/0x170 [ 8924.513078][ C2] ? release_sock+0x1f/0x1d0 [ 8924.513083][ C2] release_sock+0x17f/0x1d0 [ 8924.513087][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8924.513094][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8924.513098][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8924.513102][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8924.513106][ C2] ? find_held_lock+0x2b/0x80 [ 8924.513110][ C2] sock_write_iter+0x3c1/0x520 [ 8924.513114][ C2] ? __up_write+0x1ad/0x530 [ 8924.513119][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8924.513125][ C2] ? ksys_write+0xf7/0x1d0 [ 8924.513131][ C2] vfs_write+0xc0c/0x1210 [ 8924.513134][ C2] ? ksys_write+0x137/0x1d0 [ 8924.513137][ C2] ? __lock_release+0x5d/0x170 [ 8924.513141][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8924.513145][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8924.513153][ C2] ksys_write+0x183/0x1d0 [ 8924.513156][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8924.513159][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8924.513165][ C2] do_syscall_64+0xc1/0x380 [ 8924.513168][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8924.513171][ C2] RIP: 0033:0x7f492fa5f337 [ 8924.513177][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8924.513179][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8924.513182][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8924.513184][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8924.513186][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8924.513188][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8924.513190][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8924.513196][ C2] [ 8952.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6251s! [mptcp_connect:16967] [ 8952.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 8952.512923][ C2] irq event stamp: 66996 [ 8952.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8952.512932][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8952.512936][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 8952.512940][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 8952.512946][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8952.512951][ C2] Tainted: [L]=SOFTLOCKUP [ 8952.512953][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8952.512955][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8952.512959][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8952.512963][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8952.512966][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8952.512968][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8952.512970][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8952.512973][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8952.512975][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8952.512977][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8952.512980][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8952.512984][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8952.512986][ C2] PKRU: 55555554 [ 8952.512987][ C2] Call Trace: [ 8952.512990][ C2] [ 8952.512993][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8952.513000][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8952.513004][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8952.513007][ C2] ? lock_acquire+0x10c/0x170 [ 8952.513010][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8952.513015][ C2] mptcp_try_fallback+0x14b/0x360 [ 8952.513020][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8952.513026][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8952.513029][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8952.513032][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8952.513037][ C2] __mptcp_retrans+0x42a/0x960 [ 8952.513043][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8952.513049][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8952.513054][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8952.513061][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8952.513064][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8952.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8952.513070][ C2] ? lock_acquire+0x10c/0x170 [ 8952.513073][ C2] ? release_sock+0x1f/0x1d0 [ 8952.513078][ C2] release_sock+0x17f/0x1d0 [ 8952.513082][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8952.513089][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8952.513092][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8952.513096][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8952.513101][ C2] ? find_held_lock+0x2b/0x80 [ 8952.513105][ C2] sock_write_iter+0x3c1/0x520 [ 8952.513109][ C2] ? __up_write+0x1ad/0x530 [ 8952.513113][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8952.513120][ C2] ? ksys_write+0xf7/0x1d0 [ 8952.513125][ C2] vfs_write+0xc0c/0x1210 [ 8952.513129][ C2] ? ksys_write+0x137/0x1d0 [ 8952.513131][ C2] ? __lock_release+0x5d/0x170 [ 8952.513135][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8952.513139][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8952.513146][ C2] ksys_write+0x183/0x1d0 [ 8952.513150][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8952.513153][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8952.513159][ C2] do_syscall_64+0xc1/0x380 [ 8952.513163][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8952.513166][ C2] RIP: 0033:0x7f492fa5f337 [ 8952.513171][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8952.513173][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8952.513176][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8952.513178][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8952.513180][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8952.513183][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8952.513185][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8952.513191][ C2] [ 8977.091475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8977.092029][ C2] rcu: 2-....: (6728402 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2334484 [ 8977.092569][ C2] rcu: (t=6734429 jiffies g=1296501 q=116218 ncpus=4) [ 8977.092871][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8977.092877][ C2] Tainted: [L]=SOFTLOCKUP [ 8977.092879][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8977.092881][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8977.092889][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8977.092892][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8977.092895][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8977.092898][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8977.092900][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8977.092902][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8977.092904][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8977.092907][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8977.092909][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8977.092913][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8977.092915][ C2] PKRU: 55555554 [ 8977.092917][ C2] Call Trace: [ 8977.092918][ C2] [ 8977.092920][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8977.092928][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8977.092932][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8977.092935][ C2] ? lock_acquire+0x10c/0x170 [ 8977.092938][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8977.092944][ C2] mptcp_try_fallback+0x14b/0x360 [ 8977.092947][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8977.092953][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8977.092956][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8977.092959][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8977.092964][ C2] __mptcp_retrans+0x42a/0x960 [ 8977.092970][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8977.092975][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8977.092981][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8977.092988][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8977.092991][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8977.092994][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8977.092997][ C2] ? lock_acquire+0x10c/0x170 [ 8977.093000][ C2] ? release_sock+0x1f/0x1d0 [ 8977.093005][ C2] release_sock+0x17f/0x1d0 [ 8977.093009][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8977.093016][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8977.093020][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8977.093024][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8977.093029][ C2] ? find_held_lock+0x2b/0x80 [ 8977.093033][ C2] sock_write_iter+0x3c1/0x520 [ 8977.093037][ C2] ? __up_write+0x1ad/0x530 [ 8977.093042][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8977.093048][ C2] ? ksys_write+0xf7/0x1d0 [ 8977.093054][ C2] vfs_write+0xc0c/0x1210 [ 8977.093057][ C2] ? ksys_write+0x137/0x1d0 [ 8977.093059][ C2] ? __lock_release+0x5d/0x170 [ 8977.093063][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8977.093067][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8977.093075][ C2] ksys_write+0x183/0x1d0 [ 8977.093078][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8977.093081][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8977.093087][ C2] do_syscall_64+0xc1/0x380 [ 8977.093090][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8977.093093][ C2] RIP: 0033:0x7f492fa5f337 [ 8977.093099][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8977.093100][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8977.093103][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8977.093106][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8977.093108][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8977.093109][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8977.093111][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8977.093118][ C2] [ 8992.176488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6719481 jiffies s: 68497 root: 0x4/. [ 8992.177086][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8992.177355][ T17] Sending NMI from CPU 1 to CPUs 2: [ 8992.177534][ C2] NMI backtrace for cpu 2 [ 8992.177540][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8992.177545][ C2] Tainted: [L]=SOFTLOCKUP [ 8992.177547][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8992.177549][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8992.177556][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8992.177559][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 8992.177562][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 8992.177564][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 8992.177567][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 8992.177569][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 8992.177571][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 8992.177573][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 8992.177576][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8992.177580][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 8992.177582][ C2] PKRU: 55555554 [ 8992.177583][ C2] Call Trace: [ 8992.177585][ C2] [ 8992.177588][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8992.177596][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8992.177600][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8992.177603][ C2] ? lock_acquire+0x10c/0x170 [ 8992.177606][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8992.177612][ C2] mptcp_try_fallback+0x14b/0x360 [ 8992.177616][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8992.177622][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8992.177625][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8992.177628][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8992.177633][ C2] __mptcp_retrans+0x42a/0x960 [ 8992.177638][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8992.177643][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8992.177649][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8992.177656][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8992.177658][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8992.177662][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8992.177664][ C2] ? lock_acquire+0x10c/0x170 [ 8992.177667][ C2] ? release_sock+0x1f/0x1d0 [ 8992.177673][ C2] release_sock+0x17f/0x1d0 [ 8992.177676][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8992.177684][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8992.177687][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8992.177692][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8992.177697][ C2] ? find_held_lock+0x2b/0x80 [ 8992.177701][ C2] sock_write_iter+0x3c1/0x520 [ 8992.177705][ C2] ? __up_write+0x1ad/0x530 [ 8992.177709][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8992.177716][ C2] ? ksys_write+0xf7/0x1d0 [ 8992.177721][ C2] vfs_write+0xc0c/0x1210 [ 8992.177725][ C2] ? ksys_write+0x137/0x1d0 [ 8992.177727][ C2] ? __lock_release+0x5d/0x170 [ 8992.177732][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8992.177736][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8992.177742][ C2] ksys_write+0x183/0x1d0 [ 8992.177747][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8992.177749][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8992.177755][ C2] do_syscall_64+0xc1/0x380 [ 8992.177759][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8992.177762][ C2] RIP: 0033:0x7f492fa5f337 [ 8992.177768][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 8992.177770][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8992.177773][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 8992.177775][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 8992.177777][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 8992.177780][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 8992.177782][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 8992.177788][ C2] [ 9016.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6311s! [mptcp_connect:16967] [ 9016.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9016.512925][ C2] irq event stamp: 66996 [ 9016.512927][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9016.512935][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9016.512939][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9016.512944][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9016.512950][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9016.512956][ C2] Tainted: [L]=SOFTLOCKUP [ 9016.512957][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9016.512959][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 9016.512964][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 9016.512967][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9016.512970][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9016.512972][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9016.512975][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9016.512977][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9016.512979][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9016.512981][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9016.512984][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9016.512988][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9016.512990][ C2] PKRU: 55555554 [ 9016.512992][ C2] Call Trace: [ 9016.512994][ C2] [ 9016.512998][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9016.513005][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9016.513010][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9016.513012][ C2] ? lock_acquire+0x10c/0x170 [ 9016.513016][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9016.513020][ C2] mptcp_try_fallback+0x14b/0x360 [ 9016.513024][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9016.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9016.513034][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9016.513037][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9016.513042][ C2] __mptcp_retrans+0x42a/0x960 [ 9016.513048][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9016.513053][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9016.513059][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9016.513066][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9016.513069][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9016.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9016.513075][ C2] ? lock_acquire+0x10c/0x170 [ 9016.513078][ C2] ? release_sock+0x1f/0x1d0 [ 9016.513083][ C2] release_sock+0x17f/0x1d0 [ 9016.513087][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9016.513094][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9016.513098][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9016.513102][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9016.513106][ C2] ? find_held_lock+0x2b/0x80 [ 9016.513110][ C2] sock_write_iter+0x3c1/0x520 [ 9016.513114][ C2] ? __up_write+0x1ad/0x530 [ 9016.513118][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9016.513125][ C2] ? ksys_write+0xf7/0x1d0 [ 9016.513130][ C2] vfs_write+0xc0c/0x1210 [ 9016.513134][ C2] ? ksys_write+0x137/0x1d0 [ 9016.513136][ C2] ? __lock_release+0x5d/0x170 [ 9016.513140][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9016.513144][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9016.513152][ C2] ksys_write+0x183/0x1d0 [ 9016.513156][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9016.513158][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9016.513164][ C2] do_syscall_64+0xc1/0x380 [ 9016.513168][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9016.513171][ C2] RIP: 0033:0x7f492fa5f337 [ 9016.513176][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9016.513178][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9016.513181][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9016.513183][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9016.513185][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9016.513187][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9016.513190][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9016.513196][ C2] [ 9044.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6337s! [mptcp_connect:16967] [ 9044.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9044.512926][ C2] irq event stamp: 66996 [ 9044.512927][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9044.512935][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9044.512939][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9044.512944][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9044.512949][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9044.512954][ C2] Tainted: [L]=SOFTLOCKUP [ 9044.512956][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9044.512958][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9044.512963][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9044.512966][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9044.512969][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9044.512971][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9044.512974][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9044.512976][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9044.512978][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9044.512981][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9044.512984][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9044.512988][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9044.512990][ C2] PKRU: 55555554 [ 9044.512991][ C2] Call Trace: [ 9044.512994][ C2] [ 9044.512997][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9044.513005][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9044.513009][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9044.513012][ C2] ? lock_acquire+0x10c/0x170 [ 9044.513015][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9044.513020][ C2] mptcp_try_fallback+0x14b/0x360 [ 9044.513024][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9044.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9044.513033][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9044.513036][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9044.513041][ C2] __mptcp_retrans+0x42a/0x960 [ 9044.513047][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9044.513052][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9044.513058][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9044.513065][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9044.513068][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9044.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9044.513074][ C2] ? lock_acquire+0x10c/0x170 [ 9044.513077][ C2] ? release_sock+0x1f/0x1d0 [ 9044.513082][ C2] release_sock+0x17f/0x1d0 [ 9044.513085][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9044.513093][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9044.513096][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9044.513100][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9044.513104][ C2] ? find_held_lock+0x2b/0x80 [ 9044.513108][ C2] sock_write_iter+0x3c1/0x520 [ 9044.513112][ C2] ? __up_write+0x1ad/0x530 [ 9044.513116][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9044.513123][ C2] ? ksys_write+0xf7/0x1d0 [ 9044.513129][ C2] vfs_write+0xc0c/0x1210 [ 9044.513132][ C2] ? ksys_write+0x137/0x1d0 [ 9044.513135][ C2] ? __lock_release+0x5d/0x170 [ 9044.513139][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9044.513143][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9044.513150][ C2] ksys_write+0x183/0x1d0 [ 9044.513154][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9044.513157][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9044.513163][ C2] do_syscall_64+0xc1/0x380 [ 9044.513166][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9044.513169][ C2] RIP: 0033:0x7f492fa5f337 [ 9044.513174][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9044.513176][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9044.513179][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9044.513182][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9044.513184][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9044.513186][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9044.513188][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9044.513194][ C2] [ 9055.096474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9055.096976][ C2] rcu: 2-....: (6806332 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2360949 [ 9055.097402][ C2] rcu: (t=6812433 jiffies g=1296501 q=117563 ncpus=4) [ 9055.097730][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9055.097736][ C2] Tainted: [L]=SOFTLOCKUP [ 9055.097737][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9055.097739][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9055.097746][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9055.097749][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9055.097752][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9055.097755][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9055.097757][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9055.097759][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9055.097762][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9055.097764][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9055.097766][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9055.097770][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9055.097772][ C2] PKRU: 55555554 [ 9055.097773][ C2] Call Trace: [ 9055.097775][ C2] [ 9055.097777][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9055.097784][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9055.097788][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9055.097791][ C2] ? lock_acquire+0x10c/0x170 [ 9055.097794][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9055.097800][ C2] mptcp_try_fallback+0x14b/0x360 [ 9055.097804][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9055.097810][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9055.097812][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9055.097815][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9055.097820][ C2] __mptcp_retrans+0x42a/0x960 [ 9055.097826][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9055.097831][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9055.097837][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9055.097844][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9055.097847][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9055.097850][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9055.097853][ C2] ? lock_acquire+0x10c/0x170 [ 9055.097856][ C2] ? release_sock+0x1f/0x1d0 [ 9055.097861][ C2] release_sock+0x17f/0x1d0 [ 9055.097864][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9055.097871][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9055.097875][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9055.097879][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9055.097883][ C2] ? find_held_lock+0x2b/0x80 [ 9055.097887][ C2] sock_write_iter+0x3c1/0x520 [ 9055.097891][ C2] ? __up_write+0x1ad/0x530 [ 9055.097895][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9055.097902][ C2] ? ksys_write+0xf7/0x1d0 [ 9055.097907][ C2] vfs_write+0xc0c/0x1210 [ 9055.097910][ C2] ? ksys_write+0x137/0x1d0 [ 9055.097913][ C2] ? __lock_release+0x5d/0x170 [ 9055.097917][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9055.097920][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9055.097928][ C2] ksys_write+0x183/0x1d0 [ 9055.097931][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9055.097934][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9055.097940][ C2] do_syscall_64+0xc1/0x380 [ 9055.097943][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9055.097946][ C2] RIP: 0033:0x7f492fa5f337 [ 9055.097951][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9055.097953][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9055.097956][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9055.097958][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9055.097960][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9055.097962][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9055.097964][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9055.097971][ C2] [ 9080.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6370s! [mptcp_connect:16967] [ 9080.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9080.512924][ C2] irq event stamp: 66996 [ 9080.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9080.512932][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9080.512936][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9080.512941][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9080.512947][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9080.512952][ C2] Tainted: [L]=SOFTLOCKUP [ 9080.512953][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9080.512955][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9080.512960][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9080.512964][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9080.512966][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9080.512969][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9080.512971][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9080.512973][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9080.512975][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9080.512977][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9080.512980][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9080.512985][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9080.512987][ C2] PKRU: 55555554 [ 9080.512989][ C2] Call Trace: [ 9080.512991][ C2] [ 9080.512994][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9080.513001][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9080.513005][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9080.513007][ C2] ? lock_acquire+0x10c/0x170 [ 9080.513011][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9080.513016][ C2] mptcp_try_fallback+0x14b/0x360 [ 9080.513020][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9080.513026][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9080.513029][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9080.513032][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9080.513037][ C2] __mptcp_retrans+0x42a/0x960 [ 9080.513043][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9080.513048][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9080.513054][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9080.513061][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9080.513064][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9080.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9080.513069][ C2] ? lock_acquire+0x10c/0x170 [ 9080.513072][ C2] ? release_sock+0x1f/0x1d0 [ 9080.513077][ C2] release_sock+0x17f/0x1d0 [ 9080.513081][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9080.513088][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9080.513095][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9080.513099][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9080.513104][ C2] ? find_held_lock+0x2b/0x80 [ 9080.513108][ C2] sock_write_iter+0x3c1/0x520 [ 9080.513112][ C2] ? __up_write+0x1ad/0x530 [ 9080.513116][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9080.513123][ C2] ? ksys_write+0xf7/0x1d0 [ 9080.513128][ C2] vfs_write+0xc0c/0x1210 [ 9080.513131][ C2] ? ksys_write+0x137/0x1d0 [ 9080.513134][ C2] ? __lock_release+0x5d/0x170 [ 9080.513138][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9080.513142][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9080.513149][ C2] ksys_write+0x183/0x1d0 [ 9080.513153][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9080.513156][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9080.513162][ C2] do_syscall_64+0xc1/0x380 [ 9080.513165][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9080.513168][ C2] RIP: 0033:0x7f492fa5f337 [ 9080.513173][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9080.513175][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9080.513178][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9080.513180][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9080.513182][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9080.513184][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9080.513186][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9080.513193][ C2] [ 9090.479492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6817784 jiffies s: 68497 root: 0x4/. [ 9090.480165][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9090.480373][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9090.480552][ C2] NMI backtrace for cpu 2 [ 9090.480559][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9090.480564][ C2] Tainted: [L]=SOFTLOCKUP [ 9090.480566][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9090.480568][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9090.480575][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9090.480578][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9090.480582][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9090.480584][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9090.480587][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9090.480589][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9090.480591][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9090.480593][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9090.480596][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9090.480600][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9090.480602][ C2] PKRU: 55555554 [ 9090.480603][ C2] Call Trace: [ 9090.480606][ C2] [ 9090.480610][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9090.480617][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9090.480622][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9090.480624][ C2] ? lock_acquire+0x10c/0x170 [ 9090.480628][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9090.480634][ C2] mptcp_try_fallback+0x14b/0x360 [ 9090.480637][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9090.480643][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9090.480646][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9090.480649][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9090.480654][ C2] __mptcp_retrans+0x42a/0x960 [ 9090.480660][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9090.480665][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9090.480672][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9090.480679][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9090.480682][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9090.480685][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9090.480687][ C2] ? lock_acquire+0x10c/0x170 [ 9090.480691][ C2] ? release_sock+0x1f/0x1d0 [ 9090.480696][ C2] release_sock+0x17f/0x1d0 [ 9090.480699][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9090.480707][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9090.480711][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9090.480715][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9090.480720][ C2] ? find_held_lock+0x2b/0x80 [ 9090.480724][ C2] sock_write_iter+0x3c1/0x520 [ 9090.480728][ C2] ? __up_write+0x1ad/0x530 [ 9090.480733][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9090.480739][ C2] ? ksys_write+0xf7/0x1d0 [ 9090.480744][ C2] vfs_write+0xc0c/0x1210 [ 9090.480748][ C2] ? ksys_write+0x137/0x1d0 [ 9090.480751][ C2] ? __lock_release+0x5d/0x170 [ 9090.480755][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9090.480759][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9090.480766][ C2] ksys_write+0x183/0x1d0 [ 9090.480769][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9090.480772][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9090.480778][ C2] do_syscall_64+0xc1/0x380 [ 9090.480782][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9090.480786][ C2] RIP: 0033:0x7f492fa5f337 [ 9090.480791][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9090.480793][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9090.480796][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9090.480799][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9090.480801][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9090.480803][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9090.480805][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9090.480811][ C2] [ 9116.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6404s! [mptcp_connect:16967] [ 9116.512914][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9116.512929][ C2] irq event stamp: 66996 [ 9116.512931][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9116.512939][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9116.512943][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9116.512949][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9116.512955][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9116.512960][ C2] Tainted: [L]=SOFTLOCKUP [ 9116.512962][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9116.512964][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9116.512969][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9116.512972][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9116.512975][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9116.512977][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9116.512980][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9116.512982][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9116.512984][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9116.512986][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9116.512989][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9116.512993][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9116.512995][ C2] PKRU: 55555554 [ 9116.512997][ C2] Call Trace: [ 9116.513000][ C2] [ 9116.513004][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9116.513011][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9116.513016][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9116.513018][ C2] ? lock_acquire+0x10c/0x170 [ 9116.513022][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9116.513026][ C2] mptcp_try_fallback+0x14b/0x360 [ 9116.513031][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9116.513037][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9116.513040][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9116.513043][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9116.513048][ C2] __mptcp_retrans+0x42a/0x960 [ 9116.513054][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9116.513060][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9116.513066][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9116.513073][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9116.513075][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9116.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9116.513082][ C2] ? lock_acquire+0x10c/0x170 [ 9116.513085][ C2] ? release_sock+0x1f/0x1d0 [ 9116.513090][ C2] release_sock+0x17f/0x1d0 [ 9116.513094][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9116.513101][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9116.513105][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9116.513109][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9116.513113][ C2] ? find_held_lock+0x2b/0x80 [ 9116.513118][ C2] sock_write_iter+0x3c1/0x520 [ 9116.513122][ C2] ? __up_write+0x1ad/0x530 [ 9116.513127][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9116.513134][ C2] ? ksys_write+0xf7/0x1d0 [ 9116.513139][ C2] vfs_write+0xc0c/0x1210 [ 9116.513143][ C2] ? ksys_write+0x137/0x1d0 [ 9116.513146][ C2] ? __lock_release+0x5d/0x170 [ 9116.513150][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9116.513154][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9116.513161][ C2] ksys_write+0x183/0x1d0 [ 9116.513165][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9116.513168][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9116.513174][ C2] do_syscall_64+0xc1/0x380 [ 9116.513177][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9116.513181][ C2] RIP: 0033:0x7f492fa5f337 [ 9116.513187][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9116.513189][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9116.513192][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9116.513194][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9116.513196][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9116.513198][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9116.513201][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9116.513207][ C2] [ 9133.101475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9133.102047][ C2] rcu: 2-....: (6884261 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2387423 [ 9133.102578][ C2] rcu: (t=6890439 jiffies g=1296501 q=118908 ncpus=4) [ 9133.102934][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9133.102939][ C2] Tainted: [L]=SOFTLOCKUP [ 9133.102941][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9133.102943][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9133.102950][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9133.102953][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9133.102956][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9133.102958][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9133.102961][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9133.102963][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9133.102965][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9133.102968][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9133.102970][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9133.102974][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9133.102976][ C2] PKRU: 55555554 [ 9133.102978][ C2] Call Trace: [ 9133.102979][ C2] [ 9133.102982][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9133.102989][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9133.102993][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9133.102996][ C2] ? lock_acquire+0x10c/0x170 [ 9133.102999][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9133.103005][ C2] mptcp_try_fallback+0x14b/0x360 [ 9133.103008][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9133.103014][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9133.103017][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9133.103020][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9133.103025][ C2] __mptcp_retrans+0x42a/0x960 [ 9133.103031][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9133.103036][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9133.103042][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9133.103049][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9133.103051][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9133.103054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9133.103057][ C2] ? lock_acquire+0x10c/0x170 [ 9133.103060][ C2] ? release_sock+0x1f/0x1d0 [ 9133.103065][ C2] release_sock+0x17f/0x1d0 [ 9133.103068][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9133.103076][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9133.103079][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9133.103083][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9133.103088][ C2] ? find_held_lock+0x2b/0x80 [ 9133.103092][ C2] sock_write_iter+0x3c1/0x520 [ 9133.103096][ C2] ? __up_write+0x1ad/0x530 [ 9133.103100][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9133.103106][ C2] ? ksys_write+0xf7/0x1d0 [ 9133.103112][ C2] vfs_write+0xc0c/0x1210 [ 9133.103115][ C2] ? ksys_write+0x137/0x1d0 [ 9133.103118][ C2] ? __lock_release+0x5d/0x170 [ 9133.103122][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9133.103125][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9133.103133][ C2] ksys_write+0x183/0x1d0 [ 9133.103136][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9133.103139][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9133.103145][ C2] do_syscall_64+0xc1/0x380 [ 9133.103148][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9133.103152][ C2] RIP: 0033:0x7f492fa5f337 [ 9133.103157][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9133.103158][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9133.103162][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9133.103164][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9133.103166][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9133.103168][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9133.103170][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9133.103177][ C2] [ 9160.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6445s! [mptcp_connect:16967] [ 9160.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9160.512926][ C2] irq event stamp: 66996 [ 9160.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9160.512937][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9160.512941][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9160.512946][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9160.512951][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9160.512957][ C2] Tainted: [L]=SOFTLOCKUP [ 9160.512958][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9160.512961][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 9160.512968][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 9160.512971][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 9160.512974][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9160.512977][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9160.512979][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9160.512981][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9160.512983][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9160.512985][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9160.512988][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9160.512992][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9160.512994][ C2] PKRU: 55555554 [ 9160.512995][ C2] Call Trace: [ 9160.512998][ C2] [ 9160.512999][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9160.513006][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9160.513013][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9160.513017][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9160.513020][ C2] ? lock_acquire+0x10c/0x170 [ 9160.513023][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9160.513028][ C2] mptcp_try_fallback+0x14b/0x360 [ 9160.513032][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9160.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9160.513041][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9160.513044][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9160.513049][ C2] __mptcp_retrans+0x42a/0x960 [ 9160.513055][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9160.513060][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9160.513066][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9160.513073][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9160.513076][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9160.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9160.513082][ C2] ? lock_acquire+0x10c/0x170 [ 9160.513085][ C2] ? release_sock+0x1f/0x1d0 [ 9160.513090][ C2] release_sock+0x17f/0x1d0 [ 9160.513094][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9160.513102][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9160.513106][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9160.513110][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9160.513114][ C2] ? find_held_lock+0x2b/0x80 [ 9160.513118][ C2] sock_write_iter+0x3c1/0x520 [ 9160.513123][ C2] ? __up_write+0x1ad/0x530 [ 9160.513127][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9160.513134][ C2] ? ksys_write+0xf7/0x1d0 [ 9160.513139][ C2] vfs_write+0xc0c/0x1210 [ 9160.513143][ C2] ? ksys_write+0x137/0x1d0 [ 9160.513145][ C2] ? __lock_release+0x5d/0x170 [ 9160.513149][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9160.513153][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9160.513160][ C2] ksys_write+0x183/0x1d0 [ 9160.513164][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9160.513166][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9160.513172][ C2] do_syscall_64+0xc1/0x380 [ 9160.513176][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9160.513179][ C2] RIP: 0033:0x7f492fa5f337 [ 9160.513184][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9160.513186][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9160.513188][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9160.513191][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9160.513193][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9160.513195][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9160.513197][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9160.513203][ C2] [ 9188.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6471s! [mptcp_connect:16967] [ 9188.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9188.512926][ C2] irq event stamp: 66996 [ 9188.512928][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9188.512937][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9188.512941][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9188.512946][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9188.512952][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9188.512957][ C2] Tainted: [L]=SOFTLOCKUP [ 9188.512959][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9188.512961][ C2] RIP: 0010:kasan_check_range+0x74/0x1c0 [ 9188.512967][ C2] Code: ff ff 7f ff ff 48 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 <49> 01 c1 48 89 e8 49 8d 59 01 48 89 da 48 29 ea 48 83 fa 10 0f 8e [ 9188.512970][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000286 [ 9188.512973][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9188.512976][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9188.512978][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: 1ffff110017f0d66 [ 9188.512980][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9188.512982][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9188.512984][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9188.512987][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9188.512991][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9188.512993][ C2] PKRU: 55555554 [ 9188.512994][ C2] Call Trace: [ 9188.512997][ C2] [ 9188.513000][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9188.513005][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9188.513013][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9188.513017][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9188.513020][ C2] ? lock_acquire+0x10c/0x170 [ 9188.513024][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9188.513029][ C2] mptcp_try_fallback+0x14b/0x360 [ 9188.513033][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9188.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9188.513042][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9188.513045][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9188.513050][ C2] __mptcp_retrans+0x42a/0x960 [ 9188.513056][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9188.513061][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9188.513067][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9188.513074][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9188.513076][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9188.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9188.513082][ C2] ? lock_acquire+0x10c/0x170 [ 9188.513085][ C2] ? release_sock+0x1f/0x1d0 [ 9188.513090][ C2] release_sock+0x17f/0x1d0 [ 9188.513094][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9188.513102][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9188.513105][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9188.513109][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9188.513114][ C2] ? find_held_lock+0x2b/0x80 [ 9188.513118][ C2] sock_write_iter+0x3c1/0x520 [ 9188.513122][ C2] ? __up_write+0x1ad/0x530 [ 9188.513126][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9188.513133][ C2] ? ksys_write+0xf7/0x1d0 [ 9188.513138][ C2] vfs_write+0xc0c/0x1210 [ 9188.513142][ C2] ? ksys_write+0x137/0x1d0 [ 9188.513144][ C2] ? __lock_release+0x5d/0x170 [ 9188.513148][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9188.513152][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9188.513159][ C2] ksys_write+0x183/0x1d0 [ 9188.513163][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9188.513165][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9188.513172][ C2] do_syscall_64+0xc1/0x380 [ 9188.513175][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9188.513178][ C2] RIP: 0033:0x7f492fa5f337 [ 9188.513184][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9188.513186][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9188.513189][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9188.513191][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9188.513193][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9188.513195][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9188.513197][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9188.513204][ C2] [ 9188.784486][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6916089 jiffies s: 68497 root: 0x4/. [ 9188.785069][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9188.785294][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9188.785466][ C2] NMI backtrace for cpu 2 [ 9188.785473][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9188.785478][ C2] Tainted: [L]=SOFTLOCKUP [ 9188.785479][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9188.785481][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 9188.785489][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 9188.785492][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 9188.785495][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 9188.785498][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 9188.785500][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 9188.785502][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 9188.785504][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 9188.785506][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9188.785509][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9188.785512][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9188.785515][ C2] PKRU: 55555554 [ 9188.785516][ C2] Call Trace: [ 9188.785518][ C2] [ 9188.785520][ C2] ioapic_ack_level+0xcf/0x3d0 [ 9188.785529][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 9188.785536][ C2] __common_interrupt+0xad/0x1d0 [ 9188.785544][ C2] common_interrupt+0xb9/0xe0 [ 9188.785549][ C2] [ 9188.785550][ C2] [ 9188.785552][ C2] asm_common_interrupt+0x26/0x40 [ 9188.785556][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9188.785560][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9188.785563][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9188.785566][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9188.785568][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9188.785570][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9188.785572][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9188.785574][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9188.785578][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 9188.785585][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9188.785592][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9188.785595][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9188.785598][ C2] ? lock_acquire+0x10c/0x170 [ 9188.785602][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9188.785607][ C2] mptcp_try_fallback+0x14b/0x360 [ 9188.785611][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9188.785617][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9188.785620][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9188.785624][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9188.785629][ C2] __mptcp_retrans+0x42a/0x960 [ 9188.785634][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9188.785639][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9188.785645][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9188.785652][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9188.785654][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9188.785658][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9188.785661][ C2] ? lock_acquire+0x10c/0x170 [ 9188.785664][ C2] ? release_sock+0x1f/0x1d0 [ 9188.785668][ C2] release_sock+0x17f/0x1d0 [ 9188.785672][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9188.785679][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9188.785683][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9188.785687][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9188.785691][ C2] ? find_held_lock+0x2b/0x80 [ 9188.785695][ C2] sock_write_iter+0x3c1/0x520 [ 9188.785699][ C2] ? __up_write+0x1ad/0x530 [ 9188.785703][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9188.785709][ C2] ? ksys_write+0xf7/0x1d0 [ 9188.785715][ C2] vfs_write+0xc0c/0x1210 [ 9188.785718][ C2] ? ksys_write+0x137/0x1d0 [ 9188.785721][ C2] ? __lock_release+0x5d/0x170 [ 9188.785725][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9188.785729][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9188.785736][ C2] ksys_write+0x183/0x1d0 [ 9188.785739][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9188.785742][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9188.785748][ C2] do_syscall_64+0xc1/0x380 [ 9188.785751][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9188.785754][ C2] RIP: 0033:0x7f492fa5f337 [ 9188.785759][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9188.785761][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9188.785763][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9188.785765][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9188.785767][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9188.785769][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9188.785771][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9188.785777][ C2] [ 9211.106474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9211.106951][ C2] rcu: 2-....: (6962183 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2415095 [ 9211.107419][ C2] rcu: (t=6968443 jiffies g=1296501 q=120340 ncpus=4) [ 9211.107670][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9211.107675][ C2] Tainted: [L]=SOFTLOCKUP [ 9211.107677][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9211.107679][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9211.107686][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9211.107690][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9211.107693][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9211.107695][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9211.107697][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9211.107700][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9211.107702][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9211.107704][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9211.107707][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9211.107711][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9211.107713][ C2] PKRU: 55555554 [ 9211.107714][ C2] Call Trace: [ 9211.107715][ C2] [ 9211.107718][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9211.107726][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9211.107729][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9211.107732][ C2] ? lock_acquire+0x10c/0x170 [ 9211.107736][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9211.107742][ C2] mptcp_try_fallback+0x14b/0x360 [ 9211.107745][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9211.107751][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9211.107754][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9211.107757][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9211.107762][ C2] __mptcp_retrans+0x42a/0x960 [ 9211.107767][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9211.107772][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9211.107778][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9211.107785][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9211.107788][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9211.107792][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9211.107794][ C2] ? lock_acquire+0x10c/0x170 [ 9211.107797][ C2] ? release_sock+0x1f/0x1d0 [ 9211.107802][ C2] release_sock+0x17f/0x1d0 [ 9211.107806][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9211.107813][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9211.107817][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9211.107821][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9211.107825][ C2] ? find_held_lock+0x2b/0x80 [ 9211.107829][ C2] sock_write_iter+0x3c1/0x520 [ 9211.107834][ C2] ? __up_write+0x1ad/0x530 [ 9211.107838][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9211.107844][ C2] ? ksys_write+0xf7/0x1d0 [ 9211.107850][ C2] vfs_write+0xc0c/0x1210 [ 9211.107853][ C2] ? ksys_write+0x137/0x1d0 [ 9211.107856][ C2] ? __lock_release+0x5d/0x170 [ 9211.107860][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9211.107864][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9211.107871][ C2] ksys_write+0x183/0x1d0 [ 9211.107874][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9211.107877][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9211.107883][ C2] do_syscall_64+0xc1/0x380 [ 9211.107887][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9211.107890][ C2] RIP: 0033:0x7f492fa5f337 [ 9211.107895][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9211.107897][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9211.107900][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9211.107902][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9211.107904][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9211.107907][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9211.107909][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9211.107915][ C2] [ 9236.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6516s! [mptcp_connect:16967] [ 9236.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9236.512924][ C2] irq event stamp: 66996 [ 9236.512926][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9236.512933][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9236.512937][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9236.512942][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9236.512947][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9236.512953][ C2] Tainted: [L]=SOFTLOCKUP [ 9236.512955][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9236.512957][ C2] RIP: 0010:kasan_check_range+0x4/0x1c0 [ 9236.512962][ C2] Code: 00 00 e9 bf c5 18 02 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <48> 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 [ 9236.512965][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 9236.512968][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9236.512970][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9236.512972][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9236.512975][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9236.512977][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9236.512979][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9236.512981][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9236.512985][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9236.512987][ C2] PKRU: 55555554 [ 9236.512988][ C2] Call Trace: [ 9236.512991][ C2] [ 9236.512992][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9236.512998][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9236.513006][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9236.513009][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9236.513012][ C2] ? lock_acquire+0x10c/0x170 [ 9236.513016][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9236.513020][ C2] mptcp_try_fallback+0x14b/0x360 [ 9236.513024][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9236.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9236.513034][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9236.513037][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9236.513042][ C2] __mptcp_retrans+0x42a/0x960 [ 9236.513047][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9236.513053][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9236.513059][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9236.513066][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9236.513068][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9236.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9236.513074][ C2] ? lock_acquire+0x10c/0x170 [ 9236.513077][ C2] ? release_sock+0x1f/0x1d0 [ 9236.513082][ C2] release_sock+0x17f/0x1d0 [ 9236.513086][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9236.513093][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9236.513097][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9236.513101][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9236.513105][ C2] ? find_held_lock+0x2b/0x80 [ 9236.513109][ C2] sock_write_iter+0x3c1/0x520 [ 9236.513113][ C2] ? __up_write+0x1ad/0x530 [ 9236.513117][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9236.513124][ C2] ? ksys_write+0xf7/0x1d0 [ 9236.513129][ C2] vfs_write+0xc0c/0x1210 [ 9236.513133][ C2] ? ksys_write+0x137/0x1d0 [ 9236.513136][ C2] ? __lock_release+0x5d/0x170 [ 9236.513140][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9236.513144][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9236.513151][ C2] ksys_write+0x183/0x1d0 [ 9236.513155][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9236.513157][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9236.513163][ C2] do_syscall_64+0xc1/0x380 [ 9236.513167][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9236.513170][ C2] RIP: 0033:0x7f492fa5f337 [ 9236.513175][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9236.513177][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9236.513180][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9236.513182][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9236.513184][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9236.513186][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9236.513189][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9236.513195][ C2] [ 9264.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6542s! [mptcp_connect:16967] [ 9264.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9264.512935][ C2] irq event stamp: 66996 [ 9264.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9264.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9264.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9264.512958][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9264.512966][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9264.512973][ C2] Tainted: [L]=SOFTLOCKUP [ 9264.512974][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9264.512977][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9264.512982][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9264.512985][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9264.512989][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9264.512991][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9264.512994][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9264.512996][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9264.512998][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9264.513001][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9264.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9264.513007][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9264.513010][ C2] PKRU: 55555554 [ 9264.513011][ C2] Call Trace: [ 9264.513014][ C2] [ 9264.513017][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9264.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9264.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9264.513033][ C2] ? lock_acquire+0x10c/0x170 [ 9264.513038][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9264.513043][ C2] mptcp_try_fallback+0x14b/0x360 [ 9264.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9264.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9264.513057][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9264.513060][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9264.513065][ C2] __mptcp_retrans+0x42a/0x960 [ 9264.513071][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9264.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9264.513085][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9264.513093][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9264.513095][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9264.513099][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9264.513102][ C2] ? lock_acquire+0x10c/0x170 [ 9264.513104][ C2] ? release_sock+0x1f/0x1d0 [ 9264.513111][ C2] release_sock+0x17f/0x1d0 [ 9264.513115][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9264.513123][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9264.513126][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9264.513131][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9264.513136][ C2] ? find_held_lock+0x2b/0x80 [ 9264.513141][ C2] sock_write_iter+0x3c1/0x520 [ 9264.513147][ C2] ? __up_write+0x1ad/0x530 [ 9264.513152][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9264.513159][ C2] ? ksys_write+0xf7/0x1d0 [ 9264.513166][ C2] vfs_write+0xc0c/0x1210 [ 9264.513170][ C2] ? ksys_write+0x137/0x1d0 [ 9264.513173][ C2] ? __lock_release+0x5d/0x170 [ 9264.513178][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9264.513182][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9264.513189][ C2] ksys_write+0x183/0x1d0 [ 9264.513193][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9264.513196][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9264.513203][ C2] do_syscall_64+0xc1/0x380 [ 9264.513208][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9264.513211][ C2] RIP: 0033:0x7f492fa5f337 [ 9264.513221][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9264.513223][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9264.513226][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9264.513229][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9264.513231][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9264.513233][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9264.513235][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9264.513242][ C2] [ 9287.088488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7014393 jiffies s: 68497 root: 0x4/. [ 9287.089194][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9287.089486][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9287.089722][ C2] NMI backtrace for cpu 2 [ 9287.089730][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9287.089736][ C2] Tainted: [L]=SOFTLOCKUP [ 9287.089737][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9287.089740][ C2] RIP: 0010:vm_interrupt+0x49/0x160 [ 9287.089751][ C2] Code: 8d be 28 05 00 00 53 48 89 fa 48 89 f3 48 c1 ea 03 48 83 ec 08 80 3c 02 00 0f 85 fc 00 00 00 48 8b 83 28 05 00 00 44 8b 68 60 <48> 8b 83 28 05 00 00 44 89 68 64 45 89 ec 41 83 e4 02 0f 85 b5 00 [ 9287.089755][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [ 9287.089758][ C2] RAX: ffffc9000002ec00 RBX: ffff88800626b800 RCX: ffffffffa4623c21 [ 9287.089761][ C2] RDX: 1ffff11000c4d7a5 RSI: ffff88800626b800 RDI: ffff88800626bd28 [ 9287.089763][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff514a2fa [ 9287.089766][ C2] R10: ffffffffa8a517d7 R11: ffffc90000218ff8 R12: ffff888002126400 [ 9287.089768][ C2] R13: 0000000000000001 R14: ffffffffa56624b0 R15: ffff888006230b00 [ 9287.089770][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9287.089772][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9287.089776][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9287.089778][ C2] PKRU: 55555554 [ 9287.089780][ C2] Call Trace: [ 9287.089783][ C2] [ 9287.089785][ C2] ? rcu_is_watching+0x12/0xc0 [ 9287.089794][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 9287.089797][ C2] __handle_irq_event_percpu+0x190/0x310 [ 9287.089806][ C2] handle_irq_event+0xaa/0x1c0 [ 9287.089810][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 9287.089816][ C2] __common_interrupt+0xad/0x1d0 [ 9287.089825][ C2] common_interrupt+0xb9/0xe0 [ 9287.089831][ C2] [ 9287.089832][ C2] [ 9287.089834][ C2] asm_common_interrupt+0x26/0x40 [ 9287.089839][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 9287.089845][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 9287.089848][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9287.089850][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9287.089852][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9287.089855][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9287.089857][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9287.089859][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9287.089863][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 9287.089869][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9287.089876][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9287.089880][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9287.089883][ C2] ? lock_acquire+0x10c/0x170 [ 9287.089887][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9287.089893][ C2] mptcp_try_fallback+0x14b/0x360 [ 9287.089897][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9287.089903][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9287.089906][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9287.089909][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9287.089914][ C2] __mptcp_retrans+0x42a/0x960 [ 9287.089920][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9287.089925][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9287.089932][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9287.089939][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9287.089942][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9287.089946][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9287.089948][ C2] ? lock_acquire+0x10c/0x170 [ 9287.089951][ C2] ? release_sock+0x1f/0x1d0 [ 9287.089957][ C2] release_sock+0x17f/0x1d0 [ 9287.089961][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9287.089969][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9287.089973][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9287.089977][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9287.089982][ C2] ? find_held_lock+0x2b/0x80 [ 9287.089986][ C2] sock_write_iter+0x3c1/0x520 [ 9287.089991][ C2] ? __up_write+0x1ad/0x530 [ 9287.089997][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9287.090003][ C2] ? ksys_write+0xf7/0x1d0 [ 9287.090009][ C2] vfs_write+0xc0c/0x1210 [ 9287.090013][ C2] ? ksys_write+0x137/0x1d0 [ 9287.090016][ C2] ? __lock_release+0x5d/0x170 [ 9287.090020][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9287.090024][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9287.090031][ C2] ksys_write+0x183/0x1d0 [ 9287.090035][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9287.090037][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9287.090044][ C2] do_syscall_64+0xc1/0x380 [ 9287.090048][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9287.090051][ C2] RIP: 0033:0x7f492fa5f337 [ 9287.090059][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9287.090061][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9287.090064][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9287.090067][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9287.090069][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9287.090071][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9287.090073][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9287.090079][ C2] [ 9289.111474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9289.111938][ C2] rcu: 2-....: (7040106 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2443583 [ 9289.112376][ C2] rcu: (t=7046448 jiffies g=1296501 q=121781 ncpus=4) [ 9289.112627][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9289.112633][ C2] Tainted: [L]=SOFTLOCKUP [ 9289.112634][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9289.112636][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9289.112645][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9289.112648][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9289.112651][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9289.112654][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9289.112656][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9289.112659][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9289.112661][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9289.112663][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9289.112665][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9289.112669][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9289.112671][ C2] PKRU: 55555554 [ 9289.112673][ C2] Call Trace: [ 9289.112674][ C2] [ 9289.112677][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9289.112684][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9289.112688][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9289.112691][ C2] ? lock_acquire+0x10c/0x170 [ 9289.112694][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9289.112700][ C2] mptcp_try_fallback+0x14b/0x360 [ 9289.112704][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9289.112710][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9289.112713][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9289.112716][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9289.112721][ C2] __mptcp_retrans+0x42a/0x960 [ 9289.112727][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9289.112732][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9289.112738][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9289.112745][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9289.112748][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9289.112751][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9289.112754][ C2] ? lock_acquire+0x10c/0x170 [ 9289.112757][ C2] ? release_sock+0x1f/0x1d0 [ 9289.112763][ C2] release_sock+0x17f/0x1d0 [ 9289.112766][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9289.112774][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9289.112778][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9289.112782][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9289.112786][ C2] ? find_held_lock+0x2b/0x80 [ 9289.112790][ C2] sock_write_iter+0x3c1/0x520 [ 9289.112794][ C2] ? __up_write+0x1ad/0x530 [ 9289.112799][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9289.112805][ C2] ? ksys_write+0xf7/0x1d0 [ 9289.112810][ C2] vfs_write+0xc0c/0x1210 [ 9289.112813][ C2] ? ksys_write+0x137/0x1d0 [ 9289.112816][ C2] ? __lock_release+0x5d/0x170 [ 9289.112820][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9289.112824][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9289.112831][ C2] ksys_write+0x183/0x1d0 [ 9289.112835][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9289.112838][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9289.112844][ C2] do_syscall_64+0xc1/0x380 [ 9289.112847][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9289.112850][ C2] RIP: 0033:0x7f492fa5f337 [ 9289.112855][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9289.112857][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9289.112860][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9289.112863][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9289.112865][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9289.112867][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9289.112869][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9289.112876][ C2] [ 9316.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6590s! [mptcp_connect:16967] [ 9316.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9316.512927][ C2] irq event stamp: 66996 [ 9316.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9316.512937][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9316.512941][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9316.512946][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9316.512952][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9316.512957][ C2] Tainted: [L]=SOFTLOCKUP [ 9316.512959][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9316.512961][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 9316.512966][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 9316.512969][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9316.512972][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9316.512974][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9316.512977][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9316.512979][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9316.512981][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9316.512983][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9316.512986][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9316.512990][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9316.512992][ C2] PKRU: 55555554 [ 9316.512993][ C2] Call Trace: [ 9316.512996][ C2] [ 9316.512999][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9316.513007][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9316.513011][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9316.513014][ C2] ? lock_acquire+0x10c/0x170 [ 9316.513018][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9316.513023][ C2] mptcp_try_fallback+0x14b/0x360 [ 9316.513026][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9316.513033][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9316.513036][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9316.513039][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9316.513044][ C2] __mptcp_retrans+0x42a/0x960 [ 9316.513050][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9316.513055][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9316.513061][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9316.513068][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9316.513071][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9316.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9316.513077][ C2] ? lock_acquire+0x10c/0x170 [ 9316.513080][ C2] ? release_sock+0x1f/0x1d0 [ 9316.513085][ C2] release_sock+0x17f/0x1d0 [ 9316.513089][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9316.513096][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9316.513100][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9316.513104][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9316.513108][ C2] ? find_held_lock+0x2b/0x80 [ 9316.513112][ C2] sock_write_iter+0x3c1/0x520 [ 9316.513117][ C2] ? __up_write+0x1ad/0x530 [ 9316.513121][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9316.513128][ C2] ? ksys_write+0xf7/0x1d0 [ 9316.513134][ C2] vfs_write+0xc0c/0x1210 [ 9316.513137][ C2] ? ksys_write+0x137/0x1d0 [ 9316.513140][ C2] ? __lock_release+0x5d/0x170 [ 9316.513144][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9316.513148][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9316.513156][ C2] ksys_write+0x183/0x1d0 [ 9316.513159][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9316.513162][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9316.513168][ C2] do_syscall_64+0xc1/0x380 [ 9316.513172][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9316.513176][ C2] RIP: 0033:0x7f492fa5f337 [ 9316.513182][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9316.513184][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9316.513187][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9316.513189][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9316.513192][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9316.513194][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9316.513196][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9316.513203][ C2] [ 9344.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6616s! [mptcp_connect:16967] [ 9344.512913][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9344.512928][ C2] irq event stamp: 66996 [ 9344.512929][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9344.512938][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9344.512942][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9344.512947][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9344.512953][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9344.512958][ C2] Tainted: [L]=SOFTLOCKUP [ 9344.512960][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9344.512963][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9344.512967][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9344.512971][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9344.512974][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9344.512976][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9344.512978][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9344.512981][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9344.512982][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9344.512985][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9344.512988][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9344.512991][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9344.512994][ C2] PKRU: 55555554 [ 9344.512995][ C2] Call Trace: [ 9344.512997][ C2] [ 9344.513001][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9344.513008][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9344.513013][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9344.513016][ C2] ? lock_acquire+0x10c/0x170 [ 9344.513020][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9344.513024][ C2] mptcp_try_fallback+0x14b/0x360 [ 9344.513028][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9344.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9344.513038][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9344.513041][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9344.513046][ C2] __mptcp_retrans+0x42a/0x960 [ 9344.513052][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9344.513057][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9344.513064][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9344.513071][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9344.513074][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9344.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9344.513080][ C2] ? lock_acquire+0x10c/0x170 [ 9344.513083][ C2] ? release_sock+0x1f/0x1d0 [ 9344.513088][ C2] release_sock+0x17f/0x1d0 [ 9344.513092][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9344.513099][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9344.513103][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9344.513107][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9344.513111][ C2] ? find_held_lock+0x2b/0x80 [ 9344.513115][ C2] sock_write_iter+0x3c1/0x520 [ 9344.513119][ C2] ? __up_write+0x1ad/0x530 [ 9344.513124][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9344.513131][ C2] ? ksys_write+0xf7/0x1d0 [ 9344.513136][ C2] vfs_write+0xc0c/0x1210 [ 9344.513140][ C2] ? ksys_write+0x137/0x1d0 [ 9344.513143][ C2] ? __lock_release+0x5d/0x170 [ 9344.513147][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9344.513151][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9344.513158][ C2] ksys_write+0x183/0x1d0 [ 9344.513162][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9344.513164][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9344.513171][ C2] do_syscall_64+0xc1/0x380 [ 9344.513174][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9344.513178][ C2] RIP: 0033:0x7f492fa5f337 [ 9344.513184][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9344.513185][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9344.513189][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9344.513191][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9344.513193][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9344.513195][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9344.513198][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9344.513204][ C2] [ 9367.116474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9367.116880][ C2] rcu: 2-....: (7118052 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2472120 [ 9367.117392][ C2] rcu: (t=7124453 jiffies g=1296501 q=122804 ncpus=4) [ 9367.117790][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9367.117796][ C2] Tainted: [L]=SOFTLOCKUP [ 9367.117798][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9367.117800][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9367.117808][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9367.117811][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9367.117814][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9367.117816][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9367.117818][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9367.117821][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9367.117823][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9367.117825][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9367.117828][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9367.117832][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9367.117834][ C2] PKRU: 55555554 [ 9367.117835][ C2] Call Trace: [ 9367.117837][ C2] [ 9367.117839][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9367.117847][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9367.117851][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9367.117854][ C2] ? lock_acquire+0x10c/0x170 [ 9367.117857][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9367.117863][ C2] mptcp_try_fallback+0x14b/0x360 [ 9367.117867][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9367.117873][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9367.117876][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9367.117879][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9367.117884][ C2] __mptcp_retrans+0x42a/0x960 [ 9367.117890][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9367.117896][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9367.117901][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9367.117908][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9367.117911][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9367.117915][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9367.117918][ C2] ? lock_acquire+0x10c/0x170 [ 9367.117920][ C2] ? release_sock+0x1f/0x1d0 [ 9367.117926][ C2] release_sock+0x17f/0x1d0 [ 9367.117929][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9367.117936][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9367.117940][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9367.117944][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9367.117949][ C2] ? find_held_lock+0x2b/0x80 [ 9367.117953][ C2] sock_write_iter+0x3c1/0x520 [ 9367.117956][ C2] ? __up_write+0x1ad/0x530 [ 9367.117961][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9367.117967][ C2] ? ksys_write+0xf7/0x1d0 [ 9367.117973][ C2] vfs_write+0xc0c/0x1210 [ 9367.117976][ C2] ? ksys_write+0x137/0x1d0 [ 9367.117978][ C2] ? __lock_release+0x5d/0x170 [ 9367.117982][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9367.117986][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9367.117993][ C2] ksys_write+0x183/0x1d0 [ 9367.117997][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9367.118000][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9367.118005][ C2] do_syscall_64+0xc1/0x380 [ 9367.118009][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9367.118012][ C2] RIP: 0033:0x7f492fa5f337 [ 9367.118018][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9367.118020][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9367.118023][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9367.118025][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9367.118027][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9367.118029][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9367.118031][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9367.118038][ C2] [ 9385.392488][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7112697 jiffies s: 68497 root: 0x4/. [ 9385.393175][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9385.393393][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9385.393655][ C2] NMI backtrace for cpu 2 [ 9385.393661][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9385.393666][ C2] Tainted: [L]=SOFTLOCKUP [ 9385.393668][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9385.393670][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 9385.393677][ C2] Code: 00 49 89 fe 49 89 fd 4c 8d 7c 24 40 bb 01 00 00 00 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 04 00 00 00 48 89 ef e8 5d 3f e5 fd 41 0f b6 06 41 38 c5 7c 08 [ 9385.393681][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9385.393684][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9385.393686][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9385.393689][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9385.393691][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9385.393693][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9385.393695][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9385.393698][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9385.393701][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9385.393703][ C2] PKRU: 55555554 [ 9385.393705][ C2] Call Trace: [ 9385.393707][ C2] [ 9385.393710][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9385.393718][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9385.393722][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9385.393725][ C2] ? lock_acquire+0x10c/0x170 [ 9385.393728][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9385.393734][ C2] mptcp_try_fallback+0x14b/0x360 [ 9385.393738][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9385.393744][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9385.393747][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9385.393750][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9385.393755][ C2] __mptcp_retrans+0x42a/0x960 [ 9385.393761][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9385.393766][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9385.393772][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9385.393779][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9385.393781][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9385.393785][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9385.393788][ C2] ? lock_acquire+0x10c/0x170 [ 9385.393791][ C2] ? release_sock+0x1f/0x1d0 [ 9385.393796][ C2] release_sock+0x17f/0x1d0 [ 9385.393800][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9385.393807][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9385.393811][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9385.393815][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9385.393819][ C2] ? find_held_lock+0x2b/0x80 [ 9385.393823][ C2] sock_write_iter+0x3c1/0x520 [ 9385.393828][ C2] ? __up_write+0x1ad/0x530 [ 9385.393832][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9385.393838][ C2] ? ksys_write+0xf7/0x1d0 [ 9385.393844][ C2] vfs_write+0xc0c/0x1210 [ 9385.393848][ C2] ? ksys_write+0x137/0x1d0 [ 9385.393851][ C2] ? __lock_release+0x5d/0x170 [ 9385.393855][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9385.393858][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9385.393865][ C2] ksys_write+0x183/0x1d0 [ 9385.393869][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9385.393871][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9385.393877][ C2] do_syscall_64+0xc1/0x380 [ 9385.393881][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9385.393884][ C2] RIP: 0033:0x7f492fa5f337 [ 9385.393889][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9385.393891][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9385.393894][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9385.393896][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9385.393898][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9385.393900][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9385.393902][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9385.393908][ C2] [ 9412.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6680s! [mptcp_connect:16967] [ 9412.512917][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9412.512933][ C2] irq event stamp: 66996 [ 9412.512935][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9412.512948][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9412.512952][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9412.512959][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9412.512967][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9412.512973][ C2] Tainted: [L]=SOFTLOCKUP [ 9412.512975][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9412.512977][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9412.512983][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9412.512986][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9412.512989][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9412.512992][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9412.512994][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9412.512996][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9412.512998][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9412.513001][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9412.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9412.513008][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9412.513010][ C2] PKRU: 55555554 [ 9412.513012][ C2] Call Trace: [ 9412.513016][ C2] [ 9412.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9412.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9412.513036][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9412.513039][ C2] ? lock_acquire+0x10c/0x170 [ 9412.513043][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9412.513048][ C2] mptcp_try_fallback+0x14b/0x360 [ 9412.513053][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9412.513060][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9412.513063][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9412.513066][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9412.513071][ C2] __mptcp_retrans+0x42a/0x960 [ 9412.513077][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9412.513083][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9412.513090][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9412.513098][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9412.513101][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9412.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9412.513107][ C2] ? lock_acquire+0x10c/0x170 [ 9412.513110][ C2] ? release_sock+0x1f/0x1d0 [ 9412.513117][ C2] release_sock+0x17f/0x1d0 [ 9412.513121][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9412.513129][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9412.513133][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9412.513137][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9412.513144][ C2] ? find_held_lock+0x2b/0x80 [ 9412.513148][ C2] sock_write_iter+0x3c1/0x520 [ 9412.513154][ C2] ? __up_write+0x1ad/0x530 [ 9412.513160][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9412.513167][ C2] ? ksys_write+0xf7/0x1d0 [ 9412.513174][ C2] vfs_write+0xc0c/0x1210 [ 9412.513178][ C2] ? ksys_write+0x137/0x1d0 [ 9412.513181][ C2] ? __lock_release+0x5d/0x170 [ 9412.513185][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9412.513189][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9412.513197][ C2] ksys_write+0x183/0x1d0 [ 9412.513200][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9412.513203][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9412.513211][ C2] do_syscall_64+0xc1/0x380 [ 9412.513217][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9412.513221][ C2] RIP: 0033:0x7f492fa5f337 [ 9412.513230][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9412.513232][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9412.513235][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9412.513237][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9412.513239][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9412.513241][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9412.513243][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9412.513249][ C2] [ 9440.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6706s! [mptcp_connect:16967] [ 9440.512915][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9440.512931][ C2] irq event stamp: 66996 [ 9440.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9440.512945][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9440.512950][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9440.512956][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9440.512964][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9440.512970][ C2] Tainted: [L]=SOFTLOCKUP [ 9440.512972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9440.512974][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9440.512980][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9440.512983][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9440.512987][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9440.512989][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9440.512991][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9440.512993][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9440.512996][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9440.512998][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9440.513001][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9440.513005][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9440.513008][ C2] PKRU: 55555554 [ 9440.513009][ C2] Call Trace: [ 9440.513013][ C2] [ 9440.513017][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9440.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9440.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9440.513033][ C2] ? lock_acquire+0x10c/0x170 [ 9440.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9440.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 9440.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9440.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9440.513057][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9440.513060][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9440.513065][ C2] __mptcp_retrans+0x42a/0x960 [ 9440.513071][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9440.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9440.513084][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9440.513092][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9440.513095][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9440.513098][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9440.513100][ C2] ? lock_acquire+0x10c/0x170 [ 9440.513103][ C2] ? release_sock+0x1f/0x1d0 [ 9440.513110][ C2] release_sock+0x17f/0x1d0 [ 9440.513114][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9440.513121][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9440.513125][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9440.513129][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9440.513136][ C2] ? find_held_lock+0x2b/0x80 [ 9440.513140][ C2] sock_write_iter+0x3c1/0x520 [ 9440.513145][ C2] ? __up_write+0x1ad/0x530 [ 9440.513149][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9440.513156][ C2] ? ksys_write+0xf7/0x1d0 [ 9440.513163][ C2] vfs_write+0xc0c/0x1210 [ 9440.513167][ C2] ? ksys_write+0x137/0x1d0 [ 9440.513169][ C2] ? __lock_release+0x5d/0x170 [ 9440.513173][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9440.513177][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9440.513185][ C2] ksys_write+0x183/0x1d0 [ 9440.513189][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9440.513191][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9440.513199][ C2] do_syscall_64+0xc1/0x380 [ 9440.513203][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9440.513207][ C2] RIP: 0033:0x7f492fa5f337 [ 9440.513215][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9440.513217][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9440.513220][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9440.513222][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9440.513224][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9440.513226][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9440.513229][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9440.513235][ C2] [ 9445.121474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9445.122081][ C2] rcu: 2-....: (7195981 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2500430 [ 9445.122631][ C2] rcu: (t=7202459 jiffies g=1296501 q=124149 ncpus=4) [ 9445.123085][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9445.123090][ C2] Tainted: [L]=SOFTLOCKUP [ 9445.123092][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9445.123094][ C2] RIP: 0010:kasan_check_range+0x106/0x1c0 [ 9445.123102][ C2] Code: 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff <5b> b8 01 00 00 00 5d 41 5c e9 3c fa 1a 02 41 bc 08 00 00 00 45 29 [ 9445.123106][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 9445.123109][ C2] RAX: ffffed10017f0d67 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 9445.123111][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9445.123114][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9445.123116][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9445.123118][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9445.123120][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9445.123123][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9445.123127][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9445.123129][ C2] PKRU: 55555554 [ 9445.123130][ C2] Call Trace: [ 9445.123132][ C2] [ 9445.123134][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9445.123141][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9445.123148][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9445.123152][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9445.123155][ C2] ? lock_acquire+0x10c/0x170 [ 9445.123159][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9445.123165][ C2] mptcp_try_fallback+0x14b/0x360 [ 9445.123168][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9445.123175][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9445.123177][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9445.123180][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9445.123185][ C2] __mptcp_retrans+0x42a/0x960 [ 9445.123191][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9445.123197][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9445.123203][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9445.123210][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9445.123213][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9445.123216][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9445.123219][ C2] ? lock_acquire+0x10c/0x170 [ 9445.123222][ C2] ? release_sock+0x1f/0x1d0 [ 9445.123227][ C2] release_sock+0x17f/0x1d0 [ 9445.123231][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9445.123238][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9445.123242][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9445.123246][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9445.123250][ C2] ? find_held_lock+0x2b/0x80 [ 9445.123254][ C2] sock_write_iter+0x3c1/0x520 [ 9445.123259][ C2] ? __up_write+0x1ad/0x530 [ 9445.123263][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9445.123269][ C2] ? ksys_write+0xf7/0x1d0 [ 9445.123274][ C2] vfs_write+0xc0c/0x1210 [ 9445.123278][ C2] ? ksys_write+0x137/0x1d0 [ 9445.123281][ C2] ? __lock_release+0x5d/0x170 [ 9445.123285][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9445.123288][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9445.123296][ C2] ksys_write+0x183/0x1d0 [ 9445.123299][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9445.123302][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9445.123308][ C2] do_syscall_64+0xc1/0x380 [ 9445.123312][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9445.123315][ C2] RIP: 0033:0x7f492fa5f337 [ 9445.123321][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9445.123323][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9445.123326][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9445.123328][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9445.123330][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9445.123332][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9445.123335][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9445.123341][ C2] [ 9472.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6735s! [mptcp_connect:16967] [ 9472.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9472.512925][ C2] irq event stamp: 66996 [ 9472.512927][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9472.512934][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9472.512938][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9472.512943][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9472.512949][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9472.512954][ C2] Tainted: [L]=SOFTLOCKUP [ 9472.512955][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9472.512958][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9472.512963][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9472.512966][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9472.512969][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9472.512972][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9472.512974][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9472.512976][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9472.512978][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9472.512980][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9472.512983][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9472.512987][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9472.512989][ C2] PKRU: 55555554 [ 9472.512991][ C2] Call Trace: [ 9472.512993][ C2] [ 9472.512996][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9472.513004][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9472.513008][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9472.513011][ C2] ? lock_acquire+0x10c/0x170 [ 9472.513015][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9472.513020][ C2] mptcp_try_fallback+0x14b/0x360 [ 9472.513024][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9472.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9472.513034][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9472.513037][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9472.513042][ C2] __mptcp_retrans+0x42a/0x960 [ 9472.513048][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9472.513053][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9472.513059][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9472.513066][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9472.513069][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9472.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9472.513075][ C2] ? lock_acquire+0x10c/0x170 [ 9472.513078][ C2] ? release_sock+0x1f/0x1d0 [ 9472.513083][ C2] release_sock+0x17f/0x1d0 [ 9472.513087][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9472.513094][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9472.513098][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9472.513103][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9472.513107][ C2] ? find_held_lock+0x2b/0x80 [ 9472.513111][ C2] sock_write_iter+0x3c1/0x520 [ 9472.513116][ C2] ? __up_write+0x1ad/0x530 [ 9472.513120][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9472.513127][ C2] ? ksys_write+0xf7/0x1d0 [ 9472.513133][ C2] vfs_write+0xc0c/0x1210 [ 9472.513136][ C2] ? ksys_write+0x137/0x1d0 [ 9472.513138][ C2] ? __lock_release+0x5d/0x170 [ 9472.513143][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9472.513146][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9472.513154][ C2] ksys_write+0x183/0x1d0 [ 9472.513157][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9472.513160][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9472.513167][ C2] do_syscall_64+0xc1/0x380 [ 9472.513171][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9472.513174][ C2] RIP: 0033:0x7f492fa5f337 [ 9472.513179][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9472.513181][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9472.513184][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9472.513187][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9472.513189][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9472.513192][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9472.513194][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9472.513200][ C2] [ 9483.695492][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7211000 jiffies s: 68497 root: 0x4/. [ 9483.696106][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9483.696464][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9483.696653][ C2] NMI backtrace for cpu 2 [ 9483.696659][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9483.696665][ C2] Tainted: [L]=SOFTLOCKUP [ 9483.696666][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9483.696668][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 9483.696676][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 9483.696679][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 9483.696682][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 9483.696684][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 9483.696687][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 9483.696689][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 9483.696691][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 9483.696693][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9483.696696][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9483.696700][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9483.696702][ C2] PKRU: 55555554 [ 9483.696703][ C2] Call Trace: [ 9483.696706][ C2] [ 9483.696707][ C2] ioapic_ack_level+0xcf/0x3d0 [ 9483.696717][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 9483.696725][ C2] __common_interrupt+0xad/0x1d0 [ 9483.696733][ C2] common_interrupt+0xb9/0xe0 [ 9483.696738][ C2] [ 9483.696739][ C2] [ 9483.696741][ C2] asm_common_interrupt+0x26/0x40 [ 9483.696745][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9483.696750][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9483.696753][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9483.696756][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9483.696758][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9483.696760][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9483.696762][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9483.696765][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9483.696769][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 9483.696775][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9483.696782][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9483.696786][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9483.696789][ C2] ? lock_acquire+0x10c/0x170 [ 9483.696792][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9483.696798][ C2] mptcp_try_fallback+0x14b/0x360 [ 9483.696802][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9483.696808][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9483.696811][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9483.696814][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9483.696819][ C2] __mptcp_retrans+0x42a/0x960 [ 9483.696825][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9483.696830][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9483.696836][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9483.696843][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9483.696846][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9483.696850][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9483.696853][ C2] ? lock_acquire+0x10c/0x170 [ 9483.696856][ C2] ? release_sock+0x1f/0x1d0 [ 9483.696861][ C2] release_sock+0x17f/0x1d0 [ 9483.696865][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9483.696872][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9483.696876][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9483.696880][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9483.696884][ C2] ? find_held_lock+0x2b/0x80 [ 9483.696888][ C2] sock_write_iter+0x3c1/0x520 [ 9483.696892][ C2] ? __up_write+0x1ad/0x530 [ 9483.696896][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9483.696903][ C2] ? ksys_write+0xf7/0x1d0 [ 9483.696908][ C2] vfs_write+0xc0c/0x1210 [ 9483.696912][ C2] ? ksys_write+0x137/0x1d0 [ 9483.696914][ C2] ? __lock_release+0x5d/0x170 [ 9483.696919][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9483.696923][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9483.696930][ C2] ksys_write+0x183/0x1d0 [ 9483.696933][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9483.696936][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9483.696942][ C2] do_syscall_64+0xc1/0x380 [ 9483.696945][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9483.696948][ C2] RIP: 0033:0x7f492fa5f337 [ 9483.696954][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9483.696956][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9483.696958][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9483.696961][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9483.696963][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9483.696965][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9483.696967][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9483.696973][ C2] [ 9508.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6769s! [mptcp_connect:16967] [ 9508.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9508.512924][ C2] irq event stamp: 66996 [ 9508.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9508.512933][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9508.512937][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9508.512942][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9508.512947][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9508.512953][ C2] Tainted: [L]=SOFTLOCKUP [ 9508.512954][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9508.512956][ C2] RIP: 0010:kasan_check_range+0x106/0x1c0 [ 9508.512963][ C2] Code: 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff <5b> b8 01 00 00 00 5d 41 5c e9 3c fa 1a 02 41 bc 08 00 00 00 45 29 [ 9508.512967][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000246 [ 9508.512969][ C2] RAX: ffffed10017f0d67 RBX: ffffed10017f0d67 RCX: ffffffffa6ed0f13 [ 9508.512972][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9508.512974][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9508.512976][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9508.512979][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9508.512981][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9508.512984][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9508.512987][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9508.512989][ C2] PKRU: 55555554 [ 9508.512991][ C2] Call Trace: [ 9508.512994][ C2] [ 9508.512996][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9508.513002][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9508.513009][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9508.513012][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9508.513015][ C2] ? lock_acquire+0x10c/0x170 [ 9508.513019][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9508.513024][ C2] mptcp_try_fallback+0x14b/0x360 [ 9508.513028][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9508.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9508.513038][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9508.513040][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9508.513046][ C2] __mptcp_retrans+0x42a/0x960 [ 9508.513052][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9508.513057][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9508.513062][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9508.513069][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9508.513072][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9508.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9508.513078][ C2] ? lock_acquire+0x10c/0x170 [ 9508.513081][ C2] ? release_sock+0x1f/0x1d0 [ 9508.513086][ C2] release_sock+0x17f/0x1d0 [ 9508.513090][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9508.513098][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9508.513101][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9508.513106][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9508.513110][ C2] ? find_held_lock+0x2b/0x80 [ 9508.513114][ C2] sock_write_iter+0x3c1/0x520 [ 9508.513119][ C2] ? __up_write+0x1ad/0x530 [ 9508.513123][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9508.513129][ C2] ? ksys_write+0xf7/0x1d0 [ 9508.513135][ C2] vfs_write+0xc0c/0x1210 [ 9508.513138][ C2] ? ksys_write+0x137/0x1d0 [ 9508.513141][ C2] ? __lock_release+0x5d/0x170 [ 9508.513145][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9508.513149][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9508.513156][ C2] ksys_write+0x183/0x1d0 [ 9508.513160][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9508.513162][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9508.513168][ C2] do_syscall_64+0xc1/0x380 [ 9508.513172][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9508.513176][ C2] RIP: 0033:0x7f492fa5f337 [ 9508.513181][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9508.513183][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9508.513186][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9508.513189][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9508.513191][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9508.513193][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9508.513195][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9508.513202][ C2] [ 9523.126474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9523.126917][ C2] rcu: 2-....: (7273904 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2528786 [ 9523.127447][ C2] rcu: (t=7280463 jiffies g=1296501 q=125584 ncpus=4) [ 9523.127791][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9523.127797][ C2] Tainted: [L]=SOFTLOCKUP [ 9523.127798][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9523.127800][ C2] RIP: 0010:kasan_check_range+0x10f/0x1c0 [ 9523.127806][ C2] Code: 00 00 48 85 d2 0f 84 4c ff ff ff 41 83 e2 07 49 39 d1 0f 85 34 ff ff ff 45 3a 11 0f 8d 2b ff ff ff 5b b8 01 00 00 00 5d 41 5c 3c fa 1a 02 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c 48 83 [ 9523.127810][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000246 [ 9523.127812][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9523.127815][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9523.127817][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9523.127820][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9523.127822][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9523.127824][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9523.127827][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9523.127831][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9523.127833][ C2] PKRU: 55555554 [ 9523.127834][ C2] Call Trace: [ 9523.127836][ C2] [ 9523.127838][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9523.127843][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9523.127851][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9523.127854][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9523.127857][ C2] ? lock_acquire+0x10c/0x170 [ 9523.127860][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9523.127866][ C2] mptcp_try_fallback+0x14b/0x360 [ 9523.127870][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9523.127876][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9523.127879][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9523.127882][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9523.127888][ C2] __mptcp_retrans+0x42a/0x960 [ 9523.127893][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9523.127899][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9523.127904][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9523.127912][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9523.127915][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9523.127918][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9523.127921][ C2] ? lock_acquire+0x10c/0x170 [ 9523.127924][ C2] ? release_sock+0x1f/0x1d0 [ 9523.127929][ C2] release_sock+0x17f/0x1d0 [ 9523.127932][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9523.127939][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9523.127943][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9523.127947][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9523.127952][ C2] ? find_held_lock+0x2b/0x80 [ 9523.127956][ C2] sock_write_iter+0x3c1/0x520 [ 9523.127960][ C2] ? __up_write+0x1ad/0x530 [ 9523.127964][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9523.127970][ C2] ? ksys_write+0xf7/0x1d0 [ 9523.127976][ C2] vfs_write+0xc0c/0x1210 [ 9523.127979][ C2] ? ksys_write+0x137/0x1d0 [ 9523.127982][ C2] ? __lock_release+0x5d/0x170 [ 9523.127986][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9523.127989][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9523.127997][ C2] ksys_write+0x183/0x1d0 [ 9523.128000][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9523.128003][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9523.128008][ C2] do_syscall_64+0xc1/0x380 [ 9523.128012][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9523.128015][ C2] RIP: 0033:0x7f492fa5f337 [ 9523.128020][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9523.128021][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9523.128024][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9523.128026][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9523.128028][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9523.128030][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9523.128032][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9523.128038][ C2] [ 9548.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6806s! [mptcp_connect:16967] [ 9548.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9548.512924][ C2] irq event stamp: 66996 [ 9548.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9548.512932][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9548.512936][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9548.512941][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9548.512946][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9548.512952][ C2] Tainted: [L]=SOFTLOCKUP [ 9548.512953][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9548.512955][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9548.512960][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9548.512963][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9548.512966][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9548.512968][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9548.512971][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9548.512973][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9548.512975][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9548.512977][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9548.512980][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9548.512985][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9548.512987][ C2] PKRU: 55555554 [ 9548.512989][ C2] Call Trace: [ 9548.512991][ C2] [ 9548.512994][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9548.513001][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9548.513005][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9548.513009][ C2] ? lock_acquire+0x10c/0x170 [ 9548.513012][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9548.513017][ C2] mptcp_try_fallback+0x14b/0x360 [ 9548.513021][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9548.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9548.513031][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9548.513034][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9548.513039][ C2] __mptcp_retrans+0x42a/0x960 [ 9548.513045][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9548.513050][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9548.513055][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9548.513063][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9548.513065][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9548.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9548.513071][ C2] ? lock_acquire+0x10c/0x170 [ 9548.513074][ C2] ? release_sock+0x1f/0x1d0 [ 9548.513079][ C2] release_sock+0x17f/0x1d0 [ 9548.513083][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9548.513091][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9548.513094][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9548.513098][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9548.513103][ C2] ? find_held_lock+0x2b/0x80 [ 9548.513107][ C2] sock_write_iter+0x3c1/0x520 [ 9548.513111][ C2] ? __up_write+0x1ad/0x530 [ 9548.513115][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9548.513122][ C2] ? ksys_write+0xf7/0x1d0 [ 9548.513127][ C2] vfs_write+0xc0c/0x1210 [ 9548.513131][ C2] ? ksys_write+0x137/0x1d0 [ 9548.513134][ C2] ? __lock_release+0x5d/0x170 [ 9548.513138][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9548.513142][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9548.513149][ C2] ksys_write+0x183/0x1d0 [ 9548.513153][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9548.513156][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9548.513161][ C2] do_syscall_64+0xc1/0x380 [ 9548.513165][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9548.513168][ C2] RIP: 0033:0x7f492fa5f337 [ 9548.513173][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9548.513175][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9548.513178][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9548.513181][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9548.513183][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9548.513185][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9548.513187][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9548.513194][ C2] [ 9576.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6832s! [mptcp_connect:16967] [ 9576.512916][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9576.512931][ C2] irq event stamp: 66996 [ 9576.512933][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9576.512943][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9576.512948][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9576.512953][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9576.512960][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9576.512966][ C2] Tainted: [L]=SOFTLOCKUP [ 9576.512968][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9576.512971][ C2] RIP: 0010:kasan_check_range+0x16/0x1c0 [ 9576.512978][ C2] Code: 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 <48> 01 f0 55 53 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe [ 9576.512982][ C2] RSP: 0018:ffffc9000028f5c0 EFLAGS: 00000202 [ 9576.512985][ C2] RAX: ffff88800bf86b30 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9576.512987][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9576.512989][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9576.512992][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9576.512994][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9576.512996][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9576.512999][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9576.513003][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9576.513005][ C2] PKRU: 55555554 [ 9576.513006][ C2] Call Trace: [ 9576.513009][ C2] [ 9576.513011][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9576.513017][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9576.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9576.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9576.513032][ C2] ? lock_acquire+0x10c/0x170 [ 9576.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9576.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 9576.513045][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9576.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9576.513054][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9576.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9576.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 9576.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9576.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9576.513081][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9576.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9576.513091][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9576.513094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9576.513097][ C2] ? lock_acquire+0x10c/0x170 [ 9576.513101][ C2] ? release_sock+0x1f/0x1d0 [ 9576.513107][ C2] release_sock+0x17f/0x1d0 [ 9576.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9576.513119][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9576.513123][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9576.513127][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9576.513133][ C2] ? find_held_lock+0x2b/0x80 [ 9576.513137][ C2] sock_write_iter+0x3c1/0x520 [ 9576.513142][ C2] ? __up_write+0x1ad/0x530 [ 9576.513147][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9576.513154][ C2] ? ksys_write+0xf7/0x1d0 [ 9576.513160][ C2] vfs_write+0xc0c/0x1210 [ 9576.513164][ C2] ? ksys_write+0x137/0x1d0 [ 9576.513167][ C2] ? __lock_release+0x5d/0x170 [ 9576.513171][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9576.513174][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9576.513182][ C2] ksys_write+0x183/0x1d0 [ 9576.513186][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9576.513188][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9576.513195][ C2] do_syscall_64+0xc1/0x380 [ 9576.513199][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9576.513202][ C2] RIP: 0033:0x7f492fa5f337 [ 9576.513210][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9576.513211][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9576.513215][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9576.513217][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9576.513219][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9576.513221][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9576.513224][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9576.513230][ C2] [ 9581.999489][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7309304 jiffies s: 68497 root: 0x4/. [ 9582.000100][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9582.000392][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9582.000577][ C2] NMI backtrace for cpu 2 [ 9582.000582][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9582.000588][ C2] Tainted: [L]=SOFTLOCKUP [ 9582.000589][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9582.000591][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9582.000598][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9582.000602][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9582.000605][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9582.000607][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9582.000610][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9582.000612][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9582.000614][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9582.000617][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9582.000620][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9582.000623][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9582.000625][ C2] PKRU: 55555554 [ 9582.000627][ C2] Call Trace: [ 9582.000629][ C2] [ 9582.000632][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9582.000639][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9582.000643][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9582.000646][ C2] ? lock_acquire+0x10c/0x170 [ 9582.000649][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9582.000655][ C2] mptcp_try_fallback+0x14b/0x360 [ 9582.000659][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9582.000665][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9582.000668][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9582.000671][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9582.000676][ C2] __mptcp_retrans+0x42a/0x960 [ 9582.000681][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9582.000687][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9582.000692][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9582.000699][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9582.000702][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9582.000705][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9582.000708][ C2] ? lock_acquire+0x10c/0x170 [ 9582.000711][ C2] ? release_sock+0x1f/0x1d0 [ 9582.000717][ C2] release_sock+0x17f/0x1d0 [ 9582.000720][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9582.000728][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9582.000731][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9582.000735][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9582.000739][ C2] ? find_held_lock+0x2b/0x80 [ 9582.000744][ C2] sock_write_iter+0x3c1/0x520 [ 9582.000748][ C2] ? __up_write+0x1ad/0x530 [ 9582.000752][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9582.000758][ C2] ? ksys_write+0xf7/0x1d0 [ 9582.000763][ C2] vfs_write+0xc0c/0x1210 [ 9582.000767][ C2] ? ksys_write+0x137/0x1d0 [ 9582.000770][ C2] ? __lock_release+0x5d/0x170 [ 9582.000774][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9582.000778][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9582.000785][ C2] ksys_write+0x183/0x1d0 [ 9582.000788][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9582.000791][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9582.000797][ C2] do_syscall_64+0xc1/0x380 [ 9582.000800][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9582.000803][ C2] RIP: 0033:0x7f492fa5f337 [ 9582.000809][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9582.000810][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9582.000813][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9582.000815][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9582.000818][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9582.000820][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9582.000822][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9582.000828][ C2] [ 9601.131474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9601.131956][ C2] rcu: 2-....: (7351833 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2557069 [ 9601.132633][ C2] rcu: (t=7358469 jiffies g=1296501 q=126935 ncpus=4) [ 9601.132967][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9601.132972][ C2] Tainted: [L]=SOFTLOCKUP [ 9601.132974][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9601.132976][ C2] RIP: 0010:kasan_check_range+0x74/0x1c0 [ 9601.132982][ C2] Code: ff ff 7f ff ff 48 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 <49> 01 c1 48 89 e8 49 8d 59 01 48 89 da 48 29 ea 48 83 fa 10 0f 8e [ 9601.132985][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000286 [ 9601.132988][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9601.132990][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9601.132992][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: 1ffff110017f0d66 [ 9601.132995][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9601.132997][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9601.132999][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9601.133002][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9601.133006][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9601.133009][ C2] PKRU: 55555554 [ 9601.133010][ C2] Call Trace: [ 9601.133011][ C2] [ 9601.133013][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9601.133019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9601.133027][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9601.133031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9601.133033][ C2] ? lock_acquire+0x10c/0x170 [ 9601.133037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9601.133043][ C2] mptcp_try_fallback+0x14b/0x360 [ 9601.133046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9601.133053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9601.133056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9601.133059][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9601.133064][ C2] __mptcp_retrans+0x42a/0x960 [ 9601.133070][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9601.133076][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9601.133081][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9601.133088][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9601.133091][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9601.133094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9601.133097][ C2] ? lock_acquire+0x10c/0x170 [ 9601.133100][ C2] ? release_sock+0x1f/0x1d0 [ 9601.133106][ C2] release_sock+0x17f/0x1d0 [ 9601.133109][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9601.133117][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9601.133120][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9601.133124][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9601.133129][ C2] ? find_held_lock+0x2b/0x80 [ 9601.133133][ C2] sock_write_iter+0x3c1/0x520 [ 9601.133137][ C2] ? __up_write+0x1ad/0x530 [ 9601.133141][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9601.133147][ C2] ? ksys_write+0xf7/0x1d0 [ 9601.133153][ C2] vfs_write+0xc0c/0x1210 [ 9601.133156][ C2] ? ksys_write+0x137/0x1d0 [ 9601.133158][ C2] ? __lock_release+0x5d/0x170 [ 9601.133162][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9601.133166][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9601.133173][ C2] ksys_write+0x183/0x1d0 [ 9601.133177][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9601.133180][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9601.133185][ C2] do_syscall_64+0xc1/0x380 [ 9601.133189][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9601.133192][ C2] RIP: 0033:0x7f492fa5f337 [ 9601.133197][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9601.133198][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9601.133201][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9601.133203][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9601.133205][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9601.133207][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9601.133209][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9601.133215][ C2] [ 9628.512904][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6881s! [mptcp_connect:16967] [ 9628.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9628.512924][ C2] irq event stamp: 66996 [ 9628.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9628.512933][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9628.512937][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9628.512941][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9628.512947][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9628.512953][ C2] Tainted: [L]=SOFTLOCKUP [ 9628.512954][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9628.512956][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9628.512961][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9628.512965][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9628.512967][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9628.512970][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9628.512972][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9628.512974][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9628.512976][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9628.512979][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9628.512982][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9628.512986][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9628.512988][ C2] PKRU: 55555554 [ 9628.512989][ C2] Call Trace: [ 9628.512992][ C2] [ 9628.512994][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9628.513002][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9628.513006][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9628.513009][ C2] ? lock_acquire+0x10c/0x170 [ 9628.513012][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9628.513017][ C2] mptcp_try_fallback+0x14b/0x360 [ 9628.513021][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9628.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9628.513031][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9628.513034][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9628.513039][ C2] __mptcp_retrans+0x42a/0x960 [ 9628.513045][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9628.513050][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9628.513056][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9628.513063][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9628.513065][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9628.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9628.513072][ C2] ? lock_acquire+0x10c/0x170 [ 9628.513075][ C2] ? release_sock+0x1f/0x1d0 [ 9628.513081][ C2] release_sock+0x17f/0x1d0 [ 9628.513084][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9628.513092][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9628.513096][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9628.513100][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9628.513105][ C2] ? find_held_lock+0x2b/0x80 [ 9628.513109][ C2] sock_write_iter+0x3c1/0x520 [ 9628.513113][ C2] ? __up_write+0x1ad/0x530 [ 9628.513117][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9628.513124][ C2] ? ksys_write+0xf7/0x1d0 [ 9628.513130][ C2] vfs_write+0xc0c/0x1210 [ 9628.513133][ C2] ? ksys_write+0x137/0x1d0 [ 9628.513136][ C2] ? __lock_release+0x5d/0x170 [ 9628.513140][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9628.513144][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9628.513151][ C2] ksys_write+0x183/0x1d0 [ 9628.513155][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9628.513158][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9628.513163][ C2] do_syscall_64+0xc1/0x380 [ 9628.513167][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9628.513171][ C2] RIP: 0033:0x7f492fa5f337 [ 9628.513176][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9628.513177][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9628.513180][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9628.513182][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9628.513184][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9628.513186][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9628.513189][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9628.513195][ C2] [ 9656.512904][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6907s! [mptcp_connect:16967] [ 9656.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9656.512922][ C2] irq event stamp: 66996 [ 9656.512924][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9656.512930][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9656.512935][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9656.512939][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9656.512945][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9656.512950][ C2] Tainted: [L]=SOFTLOCKUP [ 9656.512952][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9656.512954][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9656.512959][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9656.512962][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9656.512965][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9656.512967][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9656.512970][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9656.512972][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9656.512974][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9656.512976][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9656.512979][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9656.512983][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9656.512985][ C2] PKRU: 55555554 [ 9656.512986][ C2] Call Trace: [ 9656.512989][ C2] [ 9656.512991][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9656.512999][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9656.513003][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9656.513006][ C2] ? lock_acquire+0x10c/0x170 [ 9656.513010][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9656.513015][ C2] mptcp_try_fallback+0x14b/0x360 [ 9656.513019][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9656.513025][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9656.513028][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9656.513031][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9656.513036][ C2] __mptcp_retrans+0x42a/0x960 [ 9656.513042][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9656.513047][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9656.513052][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9656.513059][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9656.513062][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9656.513066][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9656.513068][ C2] ? lock_acquire+0x10c/0x170 [ 9656.513071][ C2] ? release_sock+0x1f/0x1d0 [ 9656.513077][ C2] release_sock+0x17f/0x1d0 [ 9656.513080][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9656.513088][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9656.513092][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9656.513096][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9656.513100][ C2] ? find_held_lock+0x2b/0x80 [ 9656.513105][ C2] sock_write_iter+0x3c1/0x520 [ 9656.513109][ C2] ? __up_write+0x1ad/0x530 [ 9656.513113][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9656.513120][ C2] ? ksys_write+0xf7/0x1d0 [ 9656.513126][ C2] vfs_write+0xc0c/0x1210 [ 9656.513129][ C2] ? ksys_write+0x137/0x1d0 [ 9656.513132][ C2] ? __lock_release+0x5d/0x170 [ 9656.513136][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9656.513140][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9656.513147][ C2] ksys_write+0x183/0x1d0 [ 9656.513150][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9656.513153][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9656.513159][ C2] do_syscall_64+0xc1/0x380 [ 9656.513162][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9656.513166][ C2] RIP: 0033:0x7f492fa5f337 [ 9656.513171][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9656.513172][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9656.513175][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9656.513178][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9656.513180][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9656.513182][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9656.513184][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9656.513191][ C2] [ 9679.136474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9679.137070][ C2] rcu: 2-....: (7429779 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2585275 [ 9679.137502][ C2] rcu: (t=7436474 jiffies g=1296501 q=127961 ncpus=4) [ 9679.137753][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9679.137759][ C2] Tainted: [L]=SOFTLOCKUP [ 9679.137760][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9679.137762][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9679.137769][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9679.137772][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9679.137776][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9679.137778][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9679.137780][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9679.137782][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9679.137784][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9679.137786][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9679.137788][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9679.137792][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9679.137795][ C2] PKRU: 55555554 [ 9679.137796][ C2] Call Trace: [ 9679.137798][ C2] [ 9679.137800][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9679.137808][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9679.137812][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9679.137814][ C2] ? lock_acquire+0x10c/0x170 [ 9679.137818][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9679.137824][ C2] mptcp_try_fallback+0x14b/0x360 [ 9679.137828][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9679.137834][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9679.137837][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9679.137840][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9679.137845][ C2] __mptcp_retrans+0x42a/0x960 [ 9679.137850][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9679.137856][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9679.137861][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9679.137869][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9679.137872][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9679.137875][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9679.137878][ C2] ? lock_acquire+0x10c/0x170 [ 9679.137881][ C2] ? release_sock+0x1f/0x1d0 [ 9679.137886][ C2] release_sock+0x17f/0x1d0 [ 9679.137890][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9679.137897][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9679.137901][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9679.137905][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9679.137909][ C2] ? find_held_lock+0x2b/0x80 [ 9679.137913][ C2] sock_write_iter+0x3c1/0x520 [ 9679.137917][ C2] ? __up_write+0x1ad/0x530 [ 9679.137921][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9679.137928][ C2] ? ksys_write+0xf7/0x1d0 [ 9679.137934][ C2] vfs_write+0xc0c/0x1210 [ 9679.137937][ C2] ? ksys_write+0x137/0x1d0 [ 9679.137940][ C2] ? __lock_release+0x5d/0x170 [ 9679.137944][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9679.137948][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9679.137955][ C2] ksys_write+0x183/0x1d0 [ 9679.137959][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9679.137961][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9679.137967][ C2] do_syscall_64+0xc1/0x380 [ 9679.137970][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9679.137973][ C2] RIP: 0033:0x7f492fa5f337 [ 9679.137978][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9679.137980][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9679.137983][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9679.137985][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9679.137987][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9679.137989][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9679.137991][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9679.137998][ C2] [ 9680.303485][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7407608 jiffies s: 68497 root: 0x4/. [ 9680.304070][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9680.304419][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9680.304697][ C2] NMI backtrace for cpu 2 [ 9680.304703][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9680.304708][ C2] Tainted: [L]=SOFTLOCKUP [ 9680.304709][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9680.304711][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 9680.304718][ C2] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 b9 0b 08 00 00 89 c2 0f 30 3c 30 ad 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 9680.304721][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 9680.304724][ C2] RAX: 0000000000000000 RBX: ffff888002badc40 RCX: 000000000000080b [ 9680.304727][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 9680.304729][ C2] RBP: ffff888002126428 R08: 0000000000000001 R09: ffffed1006c24779 [ 9680.304731][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 9680.304734][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002badc44 [ 9680.304736][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9680.304739][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9680.304742][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9680.304744][ C2] PKRU: 55555554 [ 9680.304746][ C2] Call Trace: [ 9680.304748][ C2] [ 9680.304750][ C2] ioapic_ack_level+0xcf/0x3d0 [ 9680.304759][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 9680.304767][ C2] __common_interrupt+0xad/0x1d0 [ 9680.304775][ C2] common_interrupt+0xb9/0xe0 [ 9680.304779][ C2] [ 9680.304781][ C2] [ 9680.304783][ C2] asm_common_interrupt+0x26/0x40 [ 9680.304787][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9680.304791][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9680.304794][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9680.304796][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9680.304799][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9680.304801][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9680.304803][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9680.304804][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9680.304808][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 9680.304814][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9680.304822][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9680.304825][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9680.304828][ C2] ? lock_acquire+0x10c/0x170 [ 9680.304831][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9680.304837][ C2] mptcp_try_fallback+0x14b/0x360 [ 9680.304840][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9680.304846][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9680.304849][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9680.304852][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9680.304857][ C2] __mptcp_retrans+0x42a/0x960 [ 9680.304863][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9680.304868][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9680.304873][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9680.304880][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9680.304883][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9680.304886][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9680.304889][ C2] ? lock_acquire+0x10c/0x170 [ 9680.304892][ C2] ? release_sock+0x1f/0x1d0 [ 9680.304897][ C2] release_sock+0x17f/0x1d0 [ 9680.304901][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9680.304908][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9680.304911][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9680.304915][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9680.304919][ C2] ? find_held_lock+0x2b/0x80 [ 9680.304923][ C2] sock_write_iter+0x3c1/0x520 [ 9680.304927][ C2] ? __up_write+0x1ad/0x530 [ 9680.304932][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9680.304938][ C2] ? ksys_write+0xf7/0x1d0 [ 9680.304944][ C2] vfs_write+0xc0c/0x1210 [ 9680.304947][ C2] ? ksys_write+0x137/0x1d0 [ 9680.304950][ C2] ? __lock_release+0x5d/0x170 [ 9680.304954][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9680.304957][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9680.304965][ C2] ksys_write+0x183/0x1d0 [ 9680.304968][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9680.304971][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9680.304977][ C2] do_syscall_64+0xc1/0x380 [ 9680.304980][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9680.304983][ C2] RIP: 0033:0x7f492fa5f337 [ 9680.304988][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9680.304990][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9680.304993][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9680.304995][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9680.304997][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9680.304999][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9680.305001][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9680.305008][ C2] [ 9704.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6952s! [mptcp_connect:16967] [ 9704.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9704.512923][ C2] irq event stamp: 66996 [ 9704.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9704.512931][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9704.512935][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9704.512939][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9704.512945][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9704.512950][ C2] Tainted: [L]=SOFTLOCKUP [ 9704.512951][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9704.512953][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 9704.512959][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 9704.512962][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 9704.512965][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9704.512967][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9704.512969][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9704.512972][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9704.512974][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9704.512976][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9704.512978][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9704.512982][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9704.512984][ C2] PKRU: 55555554 [ 9704.512985][ C2] Call Trace: [ 9704.512988][ C2] [ 9704.512989][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9704.512995][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9704.513003][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9704.513006][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9704.513009][ C2] ? lock_acquire+0x10c/0x170 [ 9704.513012][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9704.513017][ C2] mptcp_try_fallback+0x14b/0x360 [ 9704.513021][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9704.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9704.513030][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9704.513033][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9704.513038][ C2] __mptcp_retrans+0x42a/0x960 [ 9704.513044][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9704.513049][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9704.513055][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9704.513062][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9704.513065][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9704.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9704.513072][ C2] ? lock_acquire+0x10c/0x170 [ 9704.513075][ C2] ? release_sock+0x1f/0x1d0 [ 9704.513080][ C2] release_sock+0x17f/0x1d0 [ 9704.513083][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9704.513091][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9704.513094][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9704.513099][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9704.513103][ C2] ? find_held_lock+0x2b/0x80 [ 9704.513107][ C2] sock_write_iter+0x3c1/0x520 [ 9704.513112][ C2] ? __up_write+0x1ad/0x530 [ 9704.513116][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9704.513123][ C2] ? ksys_write+0xf7/0x1d0 [ 9704.513128][ C2] vfs_write+0xc0c/0x1210 [ 9704.513131][ C2] ? ksys_write+0x137/0x1d0 [ 9704.513134][ C2] ? __lock_release+0x5d/0x170 [ 9704.513138][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9704.513142][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9704.513149][ C2] ksys_write+0x183/0x1d0 [ 9704.513152][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9704.513155][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9704.513161][ C2] do_syscall_64+0xc1/0x380 [ 9704.513164][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9704.513167][ C2] RIP: 0033:0x7f492fa5f337 [ 9704.513172][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9704.513174][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9704.513177][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9704.513179][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9704.513181][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9704.513183][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9704.513186][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9704.513192][ C2] [ 9732.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6978s! [mptcp_connect:16967] [ 9732.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9732.512923][ C2] irq event stamp: 66996 [ 9732.512924][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9732.512931][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9732.512935][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9732.512940][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9732.512945][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9732.512951][ C2] Tainted: [L]=SOFTLOCKUP [ 9732.512953][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9732.512954][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9732.512959][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9732.512963][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9732.512965][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9732.512968][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9732.512970][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9732.512972][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9732.512974][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9732.512977][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9732.512980][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9732.512983][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9732.512986][ C2] PKRU: 55555554 [ 9732.512987][ C2] Call Trace: [ 9732.512989][ C2] [ 9732.512992][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9732.513000][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9732.513004][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9732.513007][ C2] ? lock_acquire+0x10c/0x170 [ 9732.513010][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9732.513016][ C2] mptcp_try_fallback+0x14b/0x360 [ 9732.513020][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9732.513027][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9732.513029][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9732.513032][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9732.513037][ C2] __mptcp_retrans+0x42a/0x960 [ 9732.513043][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9732.513049][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9732.513054][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9732.513061][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9732.513064][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9732.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9732.513070][ C2] ? lock_acquire+0x10c/0x170 [ 9732.513073][ C2] ? release_sock+0x1f/0x1d0 [ 9732.513078][ C2] release_sock+0x17f/0x1d0 [ 9732.513082][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9732.513089][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9732.513093][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9732.513097][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9732.513101][ C2] ? find_held_lock+0x2b/0x80 [ 9732.513106][ C2] sock_write_iter+0x3c1/0x520 [ 9732.513110][ C2] ? __up_write+0x1ad/0x530 [ 9732.513114][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9732.513120][ C2] ? ksys_write+0xf7/0x1d0 [ 9732.513126][ C2] vfs_write+0xc0c/0x1210 [ 9732.513130][ C2] ? ksys_write+0x137/0x1d0 [ 9732.513133][ C2] ? __lock_release+0x5d/0x170 [ 9732.513136][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9732.513140][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9732.513148][ C2] ksys_write+0x183/0x1d0 [ 9732.513151][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9732.513154][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9732.513160][ C2] do_syscall_64+0xc1/0x380 [ 9732.513163][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9732.513167][ C2] RIP: 0033:0x7f492fa5f337 [ 9732.513171][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9732.513173][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9732.513176][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9732.513178][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9732.513180][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9732.513183][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9732.513185][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9732.513191][ C2] [ 9757.141474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9757.142056][ C2] rcu: 2-....: (7507703 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2613539 [ 9757.142523][ C2] rcu: (t=7514479 jiffies g=1296501 q=129393 ncpus=4) [ 9757.142989][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9757.142994][ C2] Tainted: [L]=SOFTLOCKUP [ 9757.142995][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9757.142997][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9757.143004][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9757.143007][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9757.143010][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9757.143013][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9757.143015][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9757.143017][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9757.143019][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9757.143021][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9757.143024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9757.143028][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9757.143030][ C2] PKRU: 55555554 [ 9757.143031][ C2] Call Trace: [ 9757.143033][ C2] [ 9757.143035][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9757.143043][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9757.143046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9757.143049][ C2] ? lock_acquire+0x10c/0x170 [ 9757.143052][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9757.143058][ C2] mptcp_try_fallback+0x14b/0x360 [ 9757.143062][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9757.143068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9757.143071][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9757.143074][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9757.143079][ C2] __mptcp_retrans+0x42a/0x960 [ 9757.143085][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9757.143090][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9757.143096][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9757.143103][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9757.143106][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9757.143109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9757.143112][ C2] ? lock_acquire+0x10c/0x170 [ 9757.143115][ C2] ? release_sock+0x1f/0x1d0 [ 9757.143120][ C2] release_sock+0x17f/0x1d0 [ 9757.143123][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9757.143131][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9757.143134][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9757.143138][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9757.143143][ C2] ? find_held_lock+0x2b/0x80 [ 9757.143147][ C2] sock_write_iter+0x3c1/0x520 [ 9757.143150][ C2] ? __up_write+0x1ad/0x530 [ 9757.143155][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9757.143161][ C2] ? ksys_write+0xf7/0x1d0 [ 9757.143167][ C2] vfs_write+0xc0c/0x1210 [ 9757.143170][ C2] ? ksys_write+0x137/0x1d0 [ 9757.143173][ C2] ? __lock_release+0x5d/0x170 [ 9757.143177][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9757.143181][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9757.143188][ C2] ksys_write+0x183/0x1d0 [ 9757.143191][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9757.143194][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9757.143200][ C2] do_syscall_64+0xc1/0x380 [ 9757.143203][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9757.143206][ C2] RIP: 0033:0x7f492fa5f337 [ 9757.143211][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9757.143213][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9757.143216][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9757.143218][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9757.143220][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9757.143222][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9757.143224][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9757.143231][ C2] [ 9778.607485][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7505912 jiffies s: 68497 root: 0x4/. [ 9778.608188][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9778.608386][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9778.608564][ C2] NMI backtrace for cpu 2 [ 9778.608570][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9778.608575][ C2] Tainted: [L]=SOFTLOCKUP [ 9778.608577][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9778.608579][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9778.608585][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9778.608588][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9778.608591][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9778.608594][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9778.608596][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9778.608598][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9778.608600][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9778.608602][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9778.608605][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9778.608608][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9778.608610][ C2] PKRU: 55555554 [ 9778.608612][ C2] Call Trace: [ 9778.608614][ C2] [ 9778.608617][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9778.608625][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9778.608629][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9778.608631][ C2] ? lock_acquire+0x10c/0x170 [ 9778.608635][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9778.608640][ C2] mptcp_try_fallback+0x14b/0x360 [ 9778.608644][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9778.608650][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9778.608653][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9778.608656][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9778.608661][ C2] __mptcp_retrans+0x42a/0x960 [ 9778.608667][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9778.608672][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9778.608678][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9778.608684][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9778.608687][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9778.608691][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9778.608693][ C2] ? lock_acquire+0x10c/0x170 [ 9778.608696][ C2] ? release_sock+0x1f/0x1d0 [ 9778.608701][ C2] release_sock+0x17f/0x1d0 [ 9778.608705][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9778.608712][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9778.608716][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9778.608720][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9778.608724][ C2] ? find_held_lock+0x2b/0x80 [ 9778.608728][ C2] sock_write_iter+0x3c1/0x520 [ 9778.608732][ C2] ? __up_write+0x1ad/0x530 [ 9778.608736][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9778.608743][ C2] ? ksys_write+0xf7/0x1d0 [ 9778.608749][ C2] vfs_write+0xc0c/0x1210 [ 9778.608752][ C2] ? ksys_write+0x137/0x1d0 [ 9778.608755][ C2] ? __lock_release+0x5d/0x170 [ 9778.608759][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9778.608763][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9778.608770][ C2] ksys_write+0x183/0x1d0 [ 9778.608773][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9778.608776][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9778.608782][ C2] do_syscall_64+0xc1/0x380 [ 9778.608785][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9778.608788][ C2] RIP: 0033:0x7f492fa5f337 [ 9778.608794][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9778.608795][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9778.608799][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9778.608801][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9778.608803][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9778.608805][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9778.608807][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9778.608813][ C2] [ 9804.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7045s! [mptcp_connect:16967] [ 9804.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9804.512923][ C2] irq event stamp: 66996 [ 9804.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9804.512931][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9804.512935][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9804.512940][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9804.512945][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9804.512951][ C2] Tainted: [L]=SOFTLOCKUP [ 9804.512952][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9804.512954][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9804.512959][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9804.512962][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9804.512965][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9804.512968][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9804.512970][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9804.512971][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9804.512974][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9804.512976][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9804.512979][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9804.512983][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9804.512985][ C2] PKRU: 55555554 [ 9804.512987][ C2] Call Trace: [ 9804.512989][ C2] [ 9804.512992][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9804.513000][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9804.513004][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9804.513006][ C2] ? lock_acquire+0x10c/0x170 [ 9804.513010][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9804.513015][ C2] mptcp_try_fallback+0x14b/0x360 [ 9804.513019][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9804.513025][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9804.513028][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9804.513031][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9804.513036][ C2] __mptcp_retrans+0x42a/0x960 [ 9804.513042][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9804.513048][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9804.513053][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9804.513060][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9804.513063][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9804.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9804.513070][ C2] ? lock_acquire+0x10c/0x170 [ 9804.513073][ C2] ? release_sock+0x1f/0x1d0 [ 9804.513077][ C2] release_sock+0x17f/0x1d0 [ 9804.513081][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9804.513088][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9804.513092][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9804.513096][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9804.513100][ C2] ? find_held_lock+0x2b/0x80 [ 9804.513104][ C2] sock_write_iter+0x3c1/0x520 [ 9804.513108][ C2] ? __up_write+0x1ad/0x530 [ 9804.513112][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9804.513119][ C2] ? ksys_write+0xf7/0x1d0 [ 9804.513125][ C2] vfs_write+0xc0c/0x1210 [ 9804.513128][ C2] ? ksys_write+0x137/0x1d0 [ 9804.513131][ C2] ? __lock_release+0x5d/0x170 [ 9804.513135][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9804.513139][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9804.513147][ C2] ksys_write+0x183/0x1d0 [ 9804.513150][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9804.513153][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9804.513159][ C2] do_syscall_64+0xc1/0x380 [ 9804.513163][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9804.513166][ C2] RIP: 0033:0x7f492fa5f337 [ 9804.513171][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9804.513173][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9804.513176][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9804.513178][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9804.513180][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9804.513182][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9804.513184][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9804.513191][ C2] [ 9832.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7071s! [mptcp_connect:16967] [ 9832.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9832.512923][ C2] irq event stamp: 66996 [ 9832.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9832.512931][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9832.512936][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9832.512940][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9832.512946][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9832.512951][ C2] Tainted: [L]=SOFTLOCKUP [ 9832.512953][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9832.512955][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 9832.512960][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 9832.512964][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 9832.512967][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9832.512969][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9832.512971][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9832.512974][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9832.512976][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9832.512978][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9832.512981][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9832.512984][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9832.512987][ C2] PKRU: 55555554 [ 9832.512988][ C2] Call Trace: [ 9832.512990][ C2] [ 9832.512992][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9832.512998][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9832.513005][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9832.513008][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9832.513011][ C2] ? lock_acquire+0x10c/0x170 [ 9832.513014][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9832.513019][ C2] mptcp_try_fallback+0x14b/0x360 [ 9832.513023][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9832.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9832.513032][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9832.513035][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9832.513040][ C2] __mptcp_retrans+0x42a/0x960 [ 9832.513046][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9832.513052][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9832.513057][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9832.513064][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9832.513067][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9832.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9832.513073][ C2] ? lock_acquire+0x10c/0x170 [ 9832.513076][ C2] ? release_sock+0x1f/0x1d0 [ 9832.513081][ C2] release_sock+0x17f/0x1d0 [ 9832.513085][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9832.513093][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9832.513096][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9832.513100][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9832.513104][ C2] ? find_held_lock+0x2b/0x80 [ 9832.513109][ C2] sock_write_iter+0x3c1/0x520 [ 9832.513112][ C2] ? __up_write+0x1ad/0x530 [ 9832.513117][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9832.513123][ C2] ? ksys_write+0xf7/0x1d0 [ 9832.513129][ C2] vfs_write+0xc0c/0x1210 [ 9832.513132][ C2] ? ksys_write+0x137/0x1d0 [ 9832.513135][ C2] ? __lock_release+0x5d/0x170 [ 9832.513139][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9832.513143][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9832.513150][ C2] ksys_write+0x183/0x1d0 [ 9832.513153][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9832.513156][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9832.513162][ C2] do_syscall_64+0xc1/0x380 [ 9832.513165][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9832.513169][ C2] RIP: 0033:0x7f492fa5f337 [ 9832.513173][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9832.513175][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9832.513178][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9832.513180][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9832.513182][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9832.513184][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9832.513186][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9832.513192][ C2] [ 9835.146473][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9835.146939][ C2] rcu: 2-....: (7585632 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2641912 [ 9835.147494][ C2] rcu: (t=7592484 jiffies g=1296501 q=130741 ncpus=4) [ 9835.147948][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9835.147954][ C2] Tainted: [L]=SOFTLOCKUP [ 9835.147955][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9835.147957][ C2] RIP: 0010:kasan_check_range+0x74/0x1c0 [ 9835.147962][ C2] Code: ff ff 7f ff ff 48 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 <49> 01 c1 48 89 e8 49 8d 59 01 48 89 da 48 29 ea 48 83 fa 10 0f 8e [ 9835.147966][ C2] RSP: 0018:ffffc9000028f5b0 EFLAGS: 00000286 [ 9835.147969][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9835.147971][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9835.147973][ C2] RBP: ffffed10017f0d66 R08: 0000000000000000 R09: 1ffff110017f0d66 [ 9835.147976][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9835.147978][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9835.147980][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9835.147982][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9835.147986][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9835.147988][ C2] PKRU: 55555554 [ 9835.147989][ C2] Call Trace: [ 9835.147991][ C2] [ 9835.147993][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9835.147998][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9835.148006][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9835.148009][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9835.148012][ C2] ? lock_acquire+0x10c/0x170 [ 9835.148015][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9835.148020][ C2] mptcp_try_fallback+0x14b/0x360 [ 9835.148024][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9835.148031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9835.148034][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9835.148037][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9835.148042][ C2] __mptcp_retrans+0x42a/0x960 [ 9835.148048][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9835.148053][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9835.148058][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9835.148065][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9835.148068][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9835.148071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9835.148074][ C2] ? lock_acquire+0x10c/0x170 [ 9835.148078][ C2] ? release_sock+0x1f/0x1d0 [ 9835.148082][ C2] release_sock+0x17f/0x1d0 [ 9835.148086][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9835.148093][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9835.148097][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9835.148101][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9835.148105][ C2] ? find_held_lock+0x2b/0x80 [ 9835.148109][ C2] sock_write_iter+0x3c1/0x520 [ 9835.148113][ C2] ? __up_write+0x1ad/0x530 [ 9835.148117][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9835.148124][ C2] ? ksys_write+0xf7/0x1d0 [ 9835.148129][ C2] vfs_write+0xc0c/0x1210 [ 9835.148132][ C2] ? ksys_write+0x137/0x1d0 [ 9835.148135][ C2] ? __lock_release+0x5d/0x170 [ 9835.148139][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9835.148143][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9835.148150][ C2] ksys_write+0x183/0x1d0 [ 9835.148153][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9835.148156][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9835.148162][ C2] do_syscall_64+0xc1/0x380 [ 9835.148165][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9835.148168][ C2] RIP: 0033:0x7f492fa5f337 [ 9835.148173][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9835.148175][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9835.148178][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9835.148180][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9835.148182][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9835.148184][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9835.148186][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9835.148192][ C2] [ 9860.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7097s! [mptcp_connect:16967] [ 9860.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9860.512922][ C2] irq event stamp: 66996 [ 9860.512924][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9860.512930][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9860.512935][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9860.512939][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9860.512945][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9860.512950][ C2] Tainted: [L]=SOFTLOCKUP [ 9860.512952][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9860.512954][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9860.512958][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9860.512961][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9860.512964][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9860.512967][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9860.512969][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9860.512971][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9860.512973][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9860.512976][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9860.512979][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9860.512983][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9860.512985][ C2] PKRU: 55555554 [ 9860.512986][ C2] Call Trace: [ 9860.512988][ C2] [ 9860.512991][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9860.512999][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9860.513002][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9860.513005][ C2] ? lock_acquire+0x10c/0x170 [ 9860.513008][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9860.513013][ C2] mptcp_try_fallback+0x14b/0x360 [ 9860.513017][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9860.513024][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9860.513027][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9860.513030][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9860.513035][ C2] __mptcp_retrans+0x42a/0x960 [ 9860.513040][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9860.513046][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9860.513051][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9860.513058][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9860.513061][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9860.513064][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9860.513067][ C2] ? lock_acquire+0x10c/0x170 [ 9860.513070][ C2] ? release_sock+0x1f/0x1d0 [ 9860.513075][ C2] release_sock+0x17f/0x1d0 [ 9860.513079][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9860.513086][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9860.513090][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9860.513094][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9860.513099][ C2] ? find_held_lock+0x2b/0x80 [ 9860.513103][ C2] sock_write_iter+0x3c1/0x520 [ 9860.513107][ C2] ? __up_write+0x1ad/0x530 [ 9860.513111][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9860.513118][ C2] ? ksys_write+0xf7/0x1d0 [ 9860.513123][ C2] vfs_write+0xc0c/0x1210 [ 9860.513127][ C2] ? ksys_write+0x137/0x1d0 [ 9860.513130][ C2] ? __lock_release+0x5d/0x170 [ 9860.513134][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9860.513138][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9860.513145][ C2] ksys_write+0x183/0x1d0 [ 9860.513148][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9860.513151][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9860.513156][ C2] do_syscall_64+0xc1/0x380 [ 9860.513160][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9860.513163][ C2] RIP: 0033:0x7f492fa5f337 [ 9860.513168][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9860.513170][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9860.513173][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9860.513176][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9860.513178][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9860.513180][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9860.513182][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9860.513188][ C2] [ 9876.911489][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7604216 jiffies s: 68497 root: 0x4/. [ 9876.912229][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9876.912425][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9876.912696][ C2] NMI backtrace for cpu 2 [ 9876.912705][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9876.912711][ C2] Tainted: [L]=SOFTLOCKUP [ 9876.912712][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9876.912715][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9876.912725][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9876.912728][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9876.912732][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9876.912734][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9876.912737][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9876.912739][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9876.912741][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9876.912743][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9876.912746][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9876.912750][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9876.912752][ C2] PKRU: 55555554 [ 9876.912753][ C2] Call Trace: [ 9876.912756][ C2] [ 9876.912761][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9876.912768][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9876.912774][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9876.912777][ C2] ? lock_acquire+0x10c/0x170 [ 9876.912781][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9876.912788][ C2] mptcp_try_fallback+0x14b/0x360 [ 9876.912792][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9876.912798][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9876.912801][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9876.912804][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9876.912809][ C2] __mptcp_retrans+0x42a/0x960 [ 9876.912815][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9876.912820][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9876.912827][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9876.912834][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9876.912837][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9876.912840][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9876.912843][ C2] ? lock_acquire+0x10c/0x170 [ 9876.912846][ C2] ? release_sock+0x1f/0x1d0 [ 9876.912853][ C2] release_sock+0x17f/0x1d0 [ 9876.912856][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9876.912864][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9876.912868][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9876.912872][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9876.912878][ C2] ? find_held_lock+0x2b/0x80 [ 9876.912882][ C2] sock_write_iter+0x3c1/0x520 [ 9876.912889][ C2] ? __up_write+0x1ad/0x530 [ 9876.912894][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9876.912900][ C2] ? ksys_write+0xf7/0x1d0 [ 9876.912907][ C2] vfs_write+0xc0c/0x1210 [ 9876.912910][ C2] ? ksys_write+0x137/0x1d0 [ 9876.912913][ C2] ? __lock_release+0x5d/0x170 [ 9876.912917][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9876.912921][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9876.912928][ C2] ksys_write+0x183/0x1d0 [ 9876.912931][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9876.912934][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9876.912941][ C2] do_syscall_64+0xc1/0x380 [ 9876.912945][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9876.912950][ C2] RIP: 0033:0x7f492fa5f337 [ 9876.912958][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9876.912960][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9876.912963][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9876.912965][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9876.912968][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9876.912970][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9876.912972][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9876.912978][ C2] [ 9904.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7138s! [mptcp_connect:16967] [ 9904.512912][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9904.512929][ C2] irq event stamp: 66996 [ 9904.512931][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9904.512940][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9904.512944][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9904.512949][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9904.512955][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9904.512961][ C2] Tainted: [L]=SOFTLOCKUP [ 9904.512962][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9904.512965][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9904.512970][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9904.512973][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9904.512976][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9904.512978][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9904.512980][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9904.512983][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9904.512985][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9904.512987][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9904.512990][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9904.512994][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9904.512996][ C2] PKRU: 55555554 [ 9904.512997][ C2] Call Trace: [ 9904.513000][ C2] [ 9904.513003][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9904.513010][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9904.513015][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9904.513017][ C2] ? lock_acquire+0x10c/0x170 [ 9904.513021][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9904.513026][ C2] mptcp_try_fallback+0x14b/0x360 [ 9904.513030][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9904.513036][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9904.513039][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9904.513043][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9904.513048][ C2] __mptcp_retrans+0x42a/0x960 [ 9904.513054][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9904.513059][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9904.513065][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9904.513072][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9904.513075][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9904.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9904.513081][ C2] ? lock_acquire+0x10c/0x170 [ 9904.513084][ C2] ? release_sock+0x1f/0x1d0 [ 9904.513090][ C2] release_sock+0x17f/0x1d0 [ 9904.513094][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9904.513101][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9904.513105][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9904.513109][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9904.513114][ C2] ? find_held_lock+0x2b/0x80 [ 9904.513118][ C2] sock_write_iter+0x3c1/0x520 [ 9904.513123][ C2] ? __up_write+0x1ad/0x530 [ 9904.513127][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9904.513134][ C2] ? ksys_write+0xf7/0x1d0 [ 9904.513139][ C2] vfs_write+0xc0c/0x1210 [ 9904.513143][ C2] ? ksys_write+0x137/0x1d0 [ 9904.513146][ C2] ? __lock_release+0x5d/0x170 [ 9904.513150][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9904.513154][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9904.513161][ C2] ksys_write+0x183/0x1d0 [ 9904.513165][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9904.513167][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9904.513174][ C2] do_syscall_64+0xc1/0x380 [ 9904.513177][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9904.513181][ C2] RIP: 0033:0x7f492fa5f337 [ 9904.513187][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9904.513188][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9904.513192][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9904.513194][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9904.513196][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9904.513198][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9904.513201][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9904.513207][ C2] [ 9913.151475][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9913.151928][ C2] rcu: 2-....: (7663559 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2670383 [ 9913.152478][ C2] rcu: (t=7670489 jiffies g=1296501 q=132089 ncpus=4) [ 9913.152820][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9913.152825][ C2] Tainted: [L]=SOFTLOCKUP [ 9913.152827][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9913.152829][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9913.152837][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9913.152840][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9913.152843][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9913.152846][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9913.152848][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9913.152851][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9913.152853][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9913.152855][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9913.152857][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9913.152861][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9913.152863][ C2] PKRU: 55555554 [ 9913.152864][ C2] Call Trace: [ 9913.152866][ C2] [ 9913.152868][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9913.152876][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9913.152880][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9913.152883][ C2] ? lock_acquire+0x10c/0x170 [ 9913.152886][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9913.152892][ C2] mptcp_try_fallback+0x14b/0x360 [ 9913.152896][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9913.152902][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9913.152905][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9913.152908][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9913.152913][ C2] __mptcp_retrans+0x42a/0x960 [ 9913.152919][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9913.152924][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9913.152929][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9913.152936][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9913.152939][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9913.152942][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9913.152945][ C2] ? lock_acquire+0x10c/0x170 [ 9913.152948][ C2] ? release_sock+0x1f/0x1d0 [ 9913.152953][ C2] release_sock+0x17f/0x1d0 [ 9913.152957][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9913.152964][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9913.152968][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9913.152972][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9913.152976][ C2] ? find_held_lock+0x2b/0x80 [ 9913.152980][ C2] sock_write_iter+0x3c1/0x520 [ 9913.152984][ C2] ? __up_write+0x1ad/0x530 [ 9913.152989][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9913.152995][ C2] ? ksys_write+0xf7/0x1d0 [ 9913.153001][ C2] vfs_write+0xc0c/0x1210 [ 9913.153004][ C2] ? ksys_write+0x137/0x1d0 [ 9913.153007][ C2] ? __lock_release+0x5d/0x170 [ 9913.153011][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9913.153015][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9913.153022][ C2] ksys_write+0x183/0x1d0 [ 9913.153025][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9913.153028][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9913.153034][ C2] do_syscall_64+0xc1/0x380 [ 9913.153038][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9913.153041][ C2] RIP: 0033:0x7f492fa5f337 [ 9913.153046][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9913.153047][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9913.153050][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9913.153052][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9913.153054][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9913.153056][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9913.153058][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9913.153064][ C2] [ 9940.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7171s! [mptcp_connect:16967] [ 9940.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9940.512926][ C2] irq event stamp: 66996 [ 9940.512927][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9940.512935][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9940.512939][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9940.512944][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9940.512950][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9940.512955][ C2] Tainted: [L]=SOFTLOCKUP [ 9940.512957][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9940.512959][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9940.512963][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9940.512966][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9940.512969][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9940.512972][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9940.512974][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9940.512976][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9940.512979][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9940.512981][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9940.512984][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9940.512988][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9940.512990][ C2] PKRU: 55555554 [ 9940.512991][ C2] Call Trace: [ 9940.512993][ C2] [ 9940.512996][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9940.513004][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9940.513008][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9940.513010][ C2] ? lock_acquire+0x10c/0x170 [ 9940.513014][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9940.513018][ C2] mptcp_try_fallback+0x14b/0x360 [ 9940.513022][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9940.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9940.513032][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9940.513035][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9940.513040][ C2] __mptcp_retrans+0x42a/0x960 [ 9940.513046][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9940.513051][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9940.513057][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9940.513064][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9940.513066][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9940.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9940.513073][ C2] ? lock_acquire+0x10c/0x170 [ 9940.513076][ C2] ? release_sock+0x1f/0x1d0 [ 9940.513081][ C2] release_sock+0x17f/0x1d0 [ 9940.513085][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9940.513092][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9940.513096][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9940.513100][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9940.513105][ C2] ? find_held_lock+0x2b/0x80 [ 9940.513109][ C2] sock_write_iter+0x3c1/0x520 [ 9940.513113][ C2] ? __up_write+0x1ad/0x530 [ 9940.513117][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9940.513124][ C2] ? ksys_write+0xf7/0x1d0 [ 9940.513129][ C2] vfs_write+0xc0c/0x1210 [ 9940.513133][ C2] ? ksys_write+0x137/0x1d0 [ 9940.513136][ C2] ? __lock_release+0x5d/0x170 [ 9940.513140][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9940.513143][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9940.513151][ C2] ksys_write+0x183/0x1d0 [ 9940.513154][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9940.513157][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9940.513163][ C2] do_syscall_64+0xc1/0x380 [ 9940.513167][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9940.513170][ C2] RIP: 0033:0x7f492fa5f337 [ 9940.513175][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9940.513177][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9940.513179][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9940.513182][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9940.513184][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9940.513186][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9940.513188][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9940.513194][ C2] [ 9968.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7197s! [mptcp_connect:16967] [ 9968.512910][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [ 9968.512924][ C2] irq event stamp: 66996 [ 9968.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9968.512933][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9968.512937][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [ 9968.512942][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [ 9968.512947][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9968.512953][ C2] Tainted: [L]=SOFTLOCKUP [ 9968.512954][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9968.512957][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9968.512961][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9968.512965][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9968.512967][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9968.512970][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9968.512972][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9968.512974][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9968.512976][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9968.512979][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9968.512982][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9968.512985][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9968.512988][ C2] PKRU: 55555554 [ 9968.512989][ C2] Call Trace: [ 9968.512992][ C2] [ 9968.512995][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9968.513002][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9968.513007][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9968.513010][ C2] ? lock_acquire+0x10c/0x170 [ 9968.513014][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9968.513019][ C2] mptcp_try_fallback+0x14b/0x360 [ 9968.513023][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9968.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9968.513032][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9968.513035][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9968.513040][ C2] __mptcp_retrans+0x42a/0x960 [ 9968.513046][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9968.513051][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9968.513057][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9968.513064][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9968.513067][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9968.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9968.513073][ C2] ? lock_acquire+0x10c/0x170 [ 9968.513076][ C2] ? release_sock+0x1f/0x1d0 [ 9968.513081][ C2] release_sock+0x17f/0x1d0 [ 9968.513085][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9968.513092][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9968.513096][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9968.513100][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9968.513105][ C2] ? find_held_lock+0x2b/0x80 [ 9968.513109][ C2] sock_write_iter+0x3c1/0x520 [ 9968.513113][ C2] ? __up_write+0x1ad/0x530 [ 9968.513117][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9968.513124][ C2] ? ksys_write+0xf7/0x1d0 [ 9968.513129][ C2] vfs_write+0xc0c/0x1210 [ 9968.513133][ C2] ? ksys_write+0x137/0x1d0 [ 9968.513135][ C2] ? __lock_release+0x5d/0x170 [ 9968.513139][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9968.513143][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9968.513150][ C2] ksys_write+0x183/0x1d0 [ 9968.513153][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9968.513156][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9968.513162][ C2] do_syscall_64+0xc1/0x380 [ 9968.513166][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9968.513170][ C2] RIP: 0033:0x7f492fa5f337 [ 9968.513175][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9968.513177][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9968.513180][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9968.513183][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9968.513185][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9968.513187][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9968.513189][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9968.513196][ C2] [ 9975.216486][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7702521 jiffies s: 68497 root: 0x4/. [ 9975.217102][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9975.217313][ T17] Sending NMI from CPU 1 to CPUs 2: [ 9975.217579][ C2] NMI backtrace for cpu 2 [ 9975.217585][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9975.217590][ C2] Tainted: [L]=SOFTLOCKUP [ 9975.217592][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9975.217594][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9975.217601][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9975.217604][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [ 9975.217607][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9975.217609][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9975.217612][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9975.217614][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9975.217616][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9975.217618][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9975.217620][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9975.217624][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9975.217626][ C2] PKRU: 55555554 [ 9975.217627][ C2] Call Trace: [ 9975.217630][ C2] [ 9975.217632][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9975.217640][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9975.217644][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9975.217646][ C2] ? lock_acquire+0x10c/0x170 [ 9975.217650][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9975.217655][ C2] mptcp_try_fallback+0x14b/0x360 [ 9975.217659][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9975.217665][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9975.217668][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9975.217671][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9975.217676][ C2] __mptcp_retrans+0x42a/0x960 [ 9975.217682][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9975.217687][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9975.217692][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9975.217699][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9975.217702][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9975.217705][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9975.217708][ C2] ? lock_acquire+0x10c/0x170 [ 9975.217711][ C2] ? release_sock+0x1f/0x1d0 [ 9975.217716][ C2] release_sock+0x17f/0x1d0 [ 9975.217720][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9975.217727][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9975.217731][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9975.217735][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9975.217740][ C2] ? find_held_lock+0x2b/0x80 [ 9975.217744][ C2] sock_write_iter+0x3c1/0x520 [ 9975.217748][ C2] ? __up_write+0x1ad/0x530 [ 9975.217752][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9975.217759][ C2] ? ksys_write+0xf7/0x1d0 [ 9975.217764][ C2] vfs_write+0xc0c/0x1210 [ 9975.217768][ C2] ? ksys_write+0x137/0x1d0 [ 9975.217770][ C2] ? __lock_release+0x5d/0x170 [ 9975.217774][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9975.217778][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9975.217785][ C2] ksys_write+0x183/0x1d0 [ 9975.217789][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9975.217791][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9975.217797][ C2] do_syscall_64+0xc1/0x380 [ 9975.217800][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9975.217804][ C2] RIP: 0033:0x7f492fa5f337 [ 9975.217809][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9975.217811][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9975.217813][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9975.217816][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9975.217818][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9975.217820][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9975.217822][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9975.217828][ C2] [ 9991.156474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9991.156942][ C2] rcu: 2-....: (7741488 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2698684 [ 9991.157369][ C2] rcu: (t=7748493 jiffies g=1296501 q=133434 ncpus=4) [ 9991.157789][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9991.157794][ C2] Tainted: [L]=SOFTLOCKUP [ 9991.157796][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9991.157798][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 9991.157805][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [ 9991.157808][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [ 9991.157812][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [ 9991.157814][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [ 9991.157817][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [ 9991.157819][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [ 9991.157821][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [ 9991.157823][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [ 9991.157826][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9991.157830][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [ 9991.157832][ C2] PKRU: 55555554 [ 9991.157833][ C2] Call Trace: [ 9991.157835][ C2] [ 9991.157836][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9991.157842][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9991.157849][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9991.157853][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9991.157856][ C2] ? lock_acquire+0x10c/0x170 [ 9991.157859][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9991.157865][ C2] mptcp_try_fallback+0x14b/0x360 [ 9991.157869][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9991.157875][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9991.157878][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9991.157880][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9991.157885][ C2] __mptcp_retrans+0x42a/0x960 [ 9991.157891][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9991.157896][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9991.157902][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9991.157909][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9991.157912][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9991.157915][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9991.157918][ C2] ? lock_acquire+0x10c/0x170 [ 9991.157921][ C2] ? release_sock+0x1f/0x1d0 [ 9991.157926][ C2] release_sock+0x17f/0x1d0 [ 9991.157929][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9991.157937][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9991.157940][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9991.157945][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9991.157949][ C2] ? find_held_lock+0x2b/0x80 [ 9991.157953][ C2] sock_write_iter+0x3c1/0x520 [ 9991.157956][ C2] ? __up_write+0x1ad/0x530 [ 9991.157961][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9991.157967][ C2] ? ksys_write+0xf7/0x1d0 [ 9991.157972][ C2] vfs_write+0xc0c/0x1210 [ 9991.157976][ C2] ? ksys_write+0x137/0x1d0 [ 9991.157979][ C2] ? __lock_release+0x5d/0x170 [ 9991.157983][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9991.157987][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9991.157994][ C2] ksys_write+0x183/0x1d0 [ 9991.157997][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9991.158000][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9991.158006][ C2] do_syscall_64+0xc1/0x380 [ 9991.158010][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9991.158013][ C2] RIP: 0033:0x7f492fa5f337 [ 9991.158018][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [ 9991.158019][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9991.158022][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [ 9991.158024][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [ 9991.158026][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [ 9991.158028][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [ 9991.158030][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [ 9991.158037][ C2] [10016.512905][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7242s! [mptcp_connect:16967] [10016.512911][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10016.512924][ C2] irq event stamp: 66996 [10016.512925][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10016.512931][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10016.512935][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10016.512940][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10016.512945][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10016.512951][ C2] Tainted: [L]=SOFTLOCKUP [10016.512952][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10016.512954][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [10016.512959][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [10016.512962][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [10016.512965][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10016.512968][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10016.512970][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10016.512972][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10016.512974][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10016.512976][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10016.512979][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10016.512983][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10016.512985][ C2] PKRU: 55555554 [10016.512986][ C2] Call Trace: [10016.512988][ C2] [10016.512990][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [10016.512995][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10016.513003][ C2] do_raw_spin_lock+0x1e8/0x270 [10016.513006][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10016.513009][ C2] ? lock_acquire+0x10c/0x170 [10016.513012][ C2] ? mptcp_try_fallback+0x14b/0x360 [10016.513017][ C2] mptcp_try_fallback+0x14b/0x360 [10016.513021][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10016.513027][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10016.513030][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10016.513033][ C2] ? __mptcp_retrans+0x34a/0x960 [10016.513038][ C2] __mptcp_retrans+0x42a/0x960 [10016.513044][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10016.513049][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10016.513055][ C2] mptcp_release_cb+0x5eb/0xac0 [10016.513062][ C2] ? do_raw_spin_lock+0x130/0x270 [10016.513065][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10016.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10016.513071][ C2] ? lock_acquire+0x10c/0x170 [10016.513074][ C2] ? release_sock+0x1f/0x1d0 [10016.513079][ C2] release_sock+0x17f/0x1d0 [10016.513083][ C2] mptcp_sendmsg+0xae1/0x18b0 [10016.513090][ C2] ? _raw_spin_unlock+0x2d/0x50 [10016.513094][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10016.513098][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10016.513103][ C2] ? find_held_lock+0x2b/0x80 [10016.513107][ C2] sock_write_iter+0x3c1/0x520 [10016.513111][ C2] ? __up_write+0x1ad/0x530 [10016.513115][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10016.513122][ C2] ? ksys_write+0xf7/0x1d0 [10016.513127][ C2] vfs_write+0xc0c/0x1210 [10016.513131][ C2] ? ksys_write+0x137/0x1d0 [10016.513133][ C2] ? __lock_release+0x5d/0x170 [10016.513137][ C2] ? __pfx_vfs_write+0x10/0x10 [10016.513141][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10016.513148][ C2] ksys_write+0x183/0x1d0 [10016.513152][ C2] ? __pfx_ksys_write+0x10/0x10 [10016.513155][ C2] ? do_user_addr_fault+0x959/0xe00 [10016.513160][ C2] do_syscall_64+0xc1/0x380 [10016.513164][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10016.513167][ C2] RIP: 0033:0x7f492fa5f337 [10016.513172][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10016.513174][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10016.513177][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10016.513179][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10016.513181][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10016.513183][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10016.513186][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10016.513192][ C2] [10044.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7268s! [mptcp_connect:16967] [10044.512919][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10044.512935][ C2] irq event stamp: 66996 [10044.512936][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10044.512950][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10044.512955][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10044.512962][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10044.512970][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10044.512976][ C2] Tainted: [L]=SOFTLOCKUP [10044.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10044.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10044.512986][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10044.512990][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10044.512993][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10044.512996][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10044.512998][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10044.513000][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10044.513003][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10044.513005][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10044.513008][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10044.513012][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10044.513015][ C2] PKRU: 55555554 [10044.513016][ C2] Call Trace: [10044.513021][ C2] [10044.513027][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10044.513034][ C2] do_raw_spin_lock+0x1e8/0x270 [10044.513041][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10044.513044][ C2] ? lock_acquire+0x10c/0x170 [10044.513049][ C2] ? mptcp_try_fallback+0x14b/0x360 [10044.513054][ C2] mptcp_try_fallback+0x14b/0x360 [10044.513058][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10044.513066][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10044.513068][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10044.513071][ C2] ? __mptcp_retrans+0x34a/0x960 [10044.513076][ C2] __mptcp_retrans+0x42a/0x960 [10044.513082][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10044.513087][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10044.513095][ C2] mptcp_release_cb+0x5eb/0xac0 [10044.513103][ C2] ? do_raw_spin_lock+0x130/0x270 [10044.513106][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10044.513110][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10044.513112][ C2] ? lock_acquire+0x10c/0x170 [10044.513116][ C2] ? release_sock+0x1f/0x1d0 [10044.513123][ C2] release_sock+0x17f/0x1d0 [10044.513127][ C2] mptcp_sendmsg+0xae1/0x18b0 [10044.513135][ C2] ? _raw_spin_unlock+0x2d/0x50 [10044.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10044.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10044.513150][ C2] ? find_held_lock+0x2b/0x80 [10044.513154][ C2] sock_write_iter+0x3c1/0x520 [10044.513160][ C2] ? __up_write+0x1ad/0x530 [10044.513166][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10044.513172][ C2] ? ksys_write+0xf7/0x1d0 [10044.513180][ C2] vfs_write+0xc0c/0x1210 [10044.513184][ C2] ? ksys_write+0x137/0x1d0 [10044.513186][ C2] ? __lock_release+0x5d/0x170 [10044.513190][ C2] ? __pfx_vfs_write+0x10/0x10 [10044.513194][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10044.513201][ C2] ksys_write+0x183/0x1d0 [10044.513205][ C2] ? __pfx_ksys_write+0x10/0x10 [10044.513208][ C2] ? do_user_addr_fault+0x959/0xe00 [10044.513215][ C2] do_syscall_64+0xc1/0x380 [10044.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10044.513225][ C2] RIP: 0033:0x7f492fa5f337 [10044.513234][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10044.513236][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10044.513240][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10044.513242][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10044.513244][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10044.513246][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10044.513248][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10044.513254][ C2] [10069.161474][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [10069.161866][ C2] rcu: 2-....: (7819433 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2727018 [10069.162469][ C2] rcu: (t=7826498 jiffies g=1296501 q=134463 ncpus=4) [10069.162721][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10069.162728][ C2] Tainted: [L]=SOFTLOCKUP [10069.162729][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10069.162732][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10069.162742][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10069.162745][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10069.162749][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10069.162751][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10069.162754][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10069.162756][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10069.162758][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10069.162761][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10069.162763][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10069.162767][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10069.162769][ C2] PKRU: 55555554 [10069.162771][ C2] Call Trace: [10069.162772][ C2] [10069.162775][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10069.162782][ C2] do_raw_spin_lock+0x1e8/0x270 [10069.162787][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10069.162790][ C2] ? lock_acquire+0x10c/0x170 [10069.162794][ C2] ? mptcp_try_fallback+0x14b/0x360 [10069.162800][ C2] mptcp_try_fallback+0x14b/0x360 [10069.162804][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10069.162810][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10069.162813][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10069.162816][ C2] ? __mptcp_retrans+0x34a/0x960 [10069.162821][ C2] __mptcp_retrans+0x42a/0x960 [10069.162827][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10069.162832][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10069.162839][ C2] mptcp_release_cb+0x5eb/0xac0 [10069.162846][ C2] ? do_raw_spin_lock+0x130/0x270 [10069.162849][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10069.162852][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10069.162855][ C2] ? lock_acquire+0x10c/0x170 [10069.162858][ C2] ? release_sock+0x1f/0x1d0 [10069.162864][ C2] release_sock+0x17f/0x1d0 [10069.162868][ C2] mptcp_sendmsg+0xae1/0x18b0 [10069.162875][ C2] ? _raw_spin_unlock+0x2d/0x50 [10069.162879][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10069.162883][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10069.162890][ C2] ? find_held_lock+0x2b/0x80 [10069.162894][ C2] sock_write_iter+0x3c1/0x520 [10069.162899][ C2] ? __up_write+0x1ad/0x530 [10069.162904][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10069.162910][ C2] ? ksys_write+0xf7/0x1d0 [10069.162917][ C2] vfs_write+0xc0c/0x1210 [10069.162920][ C2] ? ksys_write+0x137/0x1d0 [10069.162922][ C2] ? __lock_release+0x5d/0x170 [10069.162926][ C2] ? __pfx_vfs_write+0x10/0x10 [10069.162930][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10069.162937][ C2] ksys_write+0x183/0x1d0 [10069.162941][ C2] ? __pfx_ksys_write+0x10/0x10 [10069.162944][ C2] ? do_user_addr_fault+0x959/0xe00 [10069.162951][ C2] do_syscall_64+0xc1/0x380 [10069.162955][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10069.162959][ C2] RIP: 0033:0x7f492fa5f337 [10069.162967][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10069.162969][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10069.162972][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10069.162974][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10069.162977][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10069.162979][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10069.162981][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10069.162987][ C2] [10073.520487][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7800825 jiffies s: 68497 root: 0x4/. [10073.521051][ T17] rcu: blocking rcu_node structures (internal RCU debug): [10073.521320][ T17] Sending NMI from CPU 1 to CPUs 2: [10073.521643][ C2] NMI backtrace for cpu 2 [10073.521649][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10073.521654][ C2] Tainted: [L]=SOFTLOCKUP [10073.521656][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10073.521658][ C2] RIP: 0010:vm_interrupt+0x54/0x160 [10073.521667][ C2] Code: 89 f3 48 c1 ea 03 48 83 ec 08 80 3c 02 00 0f 85 fc 00 00 00 48 8b 83 28 05 00 00 44 8b 68 60 48 8b 83 28 05 00 00 44 89 68 64 <45> 89 ec 41 83 e4 02 0f 85 b5 00 00 00 41 83 e5 01 0f 84 95 00 00 [10073.521670][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [10073.521673][ C2] RAX: ffffc9000002ec00 RBX: ffff88800626b800 RCX: ffffffffa4623c21 [10073.521676][ C2] RDX: 1ffff11000c4d7a5 RSI: ffff88800626b800 RDI: ffff88800626bd28 [10073.521678][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff514a2fa [10073.521681][ C2] R10: ffffffffa8a517d7 R11: ffffc90000218ff8 R12: ffff888002126400 [10073.521683][ C2] R13: 0000000000000001 R14: ffffffffa56624b0 R15: ffff888006230b00 [10073.521685][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10073.521688][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10073.521691][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10073.521694][ C2] PKRU: 55555554 [10073.521695][ C2] Call Trace: [10073.521699][ C2] [10073.521700][ C2] ? rcu_is_watching+0x12/0xc0 [10073.521709][ C2] ? __pfx_vm_interrupt+0x10/0x10 [10073.521713][ C2] __handle_irq_event_percpu+0x190/0x310 [10073.521721][ C2] handle_irq_event+0xaa/0x1c0 [10073.521725][ C2] handle_fasteoi_irq+0x1dd/0xb90 [10073.521731][ C2] __common_interrupt+0xad/0x1d0 [10073.521739][ C2] common_interrupt+0xb9/0xe0 [10073.521745][ C2] [10073.521746][ C2] [10073.521748][ C2] asm_common_interrupt+0x26/0x40 [10073.521753][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10073.521758][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10073.521761][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10073.521764][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10073.521766][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10073.521768][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10073.521770][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10073.521772][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10073.521776][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [10073.521782][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10073.521789][ C2] do_raw_spin_lock+0x1e8/0x270 [10073.521793][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10073.521796][ C2] ? lock_acquire+0x10c/0x170 [10073.521800][ C2] ? mptcp_try_fallback+0x14b/0x360 [10073.521805][ C2] mptcp_try_fallback+0x14b/0x360 [10073.521809][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10073.521815][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10073.521818][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10073.521821][ C2] ? __mptcp_retrans+0x34a/0x960 [10073.521825][ C2] __mptcp_retrans+0x42a/0x960 [10073.521831][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10073.521836][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10073.521841][ C2] mptcp_release_cb+0x5eb/0xac0 [10073.521848][ C2] ? do_raw_spin_lock+0x130/0x270 [10073.521851][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10073.521854][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10073.521857][ C2] ? lock_acquire+0x10c/0x170 [10073.521861][ C2] ? release_sock+0x1f/0x1d0 [10073.521866][ C2] release_sock+0x17f/0x1d0 [10073.521870][ C2] mptcp_sendmsg+0xae1/0x18b0 [10073.521878][ C2] ? _raw_spin_unlock+0x2d/0x50 [10073.521881][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10073.521885][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10073.521889][ C2] ? find_held_lock+0x2b/0x80 [10073.521893][ C2] sock_write_iter+0x3c1/0x520 [10073.521898][ C2] ? __up_write+0x1ad/0x530 [10073.521902][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10073.521908][ C2] ? ksys_write+0xf7/0x1d0 [10073.521914][ C2] vfs_write+0xc0c/0x1210 [10073.521917][ C2] ? ksys_write+0x137/0x1d0 [10073.521920][ C2] ? __lock_release+0x5d/0x170 [10073.521924][ C2] ? __pfx_vfs_write+0x10/0x10 [10073.521928][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10073.521935][ C2] ksys_write+0x183/0x1d0 [10073.521938][ C2] ? __pfx_ksys_write+0x10/0x10 [10073.521941][ C2] ? do_user_addr_fault+0x959/0xe00 [10073.521947][ C2] do_syscall_64+0xc1/0x380 [10073.521951][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10073.521953][ C2] RIP: 0033:0x7f492fa5f337 [10073.521958][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10073.521960][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10073.521963][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10073.521965][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10073.521967][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10073.521969][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10073.521971][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10073.521977][ C2] HARD STOP (10017.952393) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr