[ 330.852923][ T3078] netem: version 1.3 [ 946.493306][ T6651] ip (6651) used greatest stack depth: 23872 bytes left [ 1988.039748][T15044] pm_nl_ctl (15044) used greatest stack depth: 23856 bytes left [ 2224.517673][T16956] [ 2224.517894][T16956] ============================================ [ 2224.518244][T16956] WARNING: possible recursive locking detected [ 2224.518613][T16956] 6.16.0-rc6-virtme #1 Not tainted [ 2224.518855][T16956] -------------------------------------------- [ 2224.519091][T16956] mptcp_connect/16956 is trying to acquire lock: [ 2224.519394][T16956] ffff88800b85eb48 (&msk->fallback_lock){+.-.}-{3:3}, at: mptcp_try_fallback+0x14b/0x360 [ 2224.519751][T16956] [ 2224.519751][T16956] but task is already holding lock: [ 2224.520153][T16956] ffff88800b85eb48 (&msk->fallback_lock){+.-.}-{3:3}, at: __mptcp_retrans+0x34a/0x960 [ 2224.520505][T16956] [ 2224.520505][T16956] other info that might help us debug this: [ 2224.520787][T16956] Possible unsafe locking scenario: [ 2224.520787][T16956] [ 2224.521067][T16956] CPU0 [ 2224.521207][T16956] ---- [ 2224.521348][T16956] lock(&msk->fallback_lock); [ 2224.521537][T16956] lock(&msk->fallback_lock); [ 2224.521727][T16956] [ 2224.521727][T16956] *** DEADLOCK *** [ 2224.521727][T16956] [ 2224.522012][T16956] May be due to missing lock nesting notation [ 2224.522012][T16956] [ 2224.522280][T16956] 3 locks held by mptcp_connect/16956: [ 2224.522464][T16956] #0: ffff88800b85e298 (sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_sendmsg+0x113/0x18b0 [ 2224.522810][T16956] #1: ffff8880101d4f18 (k-sk_lock-AF_INET#2){+.+.}-{0:0}, at: __mptcp_retrans+0x2c4/0x960 [ 2224.523191][T16956] #2: ffff88800b85eb48 (&msk->fallback_lock){+.-.}-{3:3}, at: __mptcp_retrans+0x34a/0x960 [ 2224.523567][T16956] [ 2224.523567][T16956] stack backtrace: [ 2224.523817][T16956] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Not tainted 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2224.523823][T16956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2224.523829][T16956] Call Trace: [ 2224.523833][T16956] [ 2224.523836][T16956] dump_stack_lvl+0x82/0xd0 [ 2224.523845][T16956] print_deadlock_bug+0x1ec/0x250 [ 2224.523853][T16956] validate_chain+0x292/0x4d0 [ 2224.523858][T16956] __lock_acquire+0x44d/0x7e0 [ 2224.523864][T16956] lock_acquire.part.0+0xb6/0x240 [ 2224.523868][T16956] ? mptcp_try_fallback+0x14b/0x360 [ 2224.523871][T16956] ? rcu_is_watching+0x12/0xc0 [ 2224.523878][T16956] ? lock_acquire+0x10c/0x170 [ 2224.523881][T16956] ? mptcp_try_fallback+0x14b/0x360 [ 2224.523885][T16956] _raw_spin_lock_bh+0x38/0x50 [ 2224.523891][T16956] ? mptcp_try_fallback+0x14b/0x360 [ 2224.523893][T16956] mptcp_try_fallback+0x14b/0x360 [ 2224.523897][T16956] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2224.523904][T16956] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2224.523907][T16956] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2224.523910][T16956] ? __mptcp_retrans+0x34a/0x960 [ 2224.523914][T16956] __mptcp_retrans+0x42a/0x960 [ 2224.523920][T16956] ? __pfx___mptcp_retrans+0x10/0x10 [ 2224.523925][T16956] ? __local_bh_enable_ip+0xa9/0x130 [ 2224.523934][T16956] mptcp_release_cb+0x5eb/0xac0 [ 2224.523941][T16956] ? do_raw_spin_lock+0x130/0x270 [ 2224.523943][T16956] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2224.523946][T16956] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2224.523949][T16956] ? lock_acquire+0x10c/0x170 [ 2224.523952][T16956] ? release_sock+0x1f/0x1d0 [ 2224.523959][T16956] release_sock+0x17f/0x1d0 [ 2224.523963][T16956] mptcp_sendmsg+0xae1/0x18b0 [ 2224.523970][T16956] ? _raw_spin_unlock+0x2d/0x50 [ 2224.523973][T16956] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2224.523977][T16956] ? __pfx_ovl_copyattr+0x10/0x10 [ 2224.523984][T16956] ? find_held_lock+0x2b/0x80 [ 2224.523988][T16956] sock_write_iter+0x3c1/0x520 [ 2224.523994][T16956] ? __up_write+0x1ad/0x530 [ 2224.523999][T16956] ? __pfx_sock_write_iter+0x10/0x10 [ 2224.524005][T16956] ? ksys_write+0xf7/0x1d0 [ 2224.524013][T16956] vfs_write+0xc0c/0x1210 [ 2224.524016][T16956] ? ksys_write+0x137/0x1d0 [ 2224.524019][T16956] ? __lock_release+0x5d/0x170 [ 2224.524023][T16956] ? __pfx_vfs_write+0x10/0x10 [ 2224.524026][T16956] ? __mutex_unlock_slowpath+0x144/0x400 [ 2224.524034][T16956] ksys_write+0x183/0x1d0 [ 2224.524037][T16956] ? __pfx_ksys_write+0x10/0x10 [ 2224.524040][T16956] ? do_user_addr_fault+0x959/0xe00 [ 2224.524047][T16956] do_syscall_64+0xc1/0x380 [ 2224.524052][T16956] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2224.524055][T16956] RIP: 0033:0x7f471c970337 [ 2224.524062][T16956] 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 [ 2224.524066][T16956] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2224.524073][T16956] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2224.524076][T16956] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2224.524078][T16956] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2224.524080][T16956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2224.524081][T16956] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2224.524087][T16956] [ 2250.517322][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2250.517734][ C2] rcu: 2-....: (25984 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=6496 [ 2250.518276][ C2] rcu: (t=26000 jiffies g=1286133 q=1128 ncpus=4) [ 2250.518534][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Not tainted 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2250.518540][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2250.518543][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2250.518555][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2250.518558][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2250.518562][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2250.518564][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2250.518566][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2250.518568][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2250.518570][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2250.518572][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2250.518574][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2250.518578][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2250.518580][ C2] PKRU: 55555554 [ 2250.518581][ C2] Call Trace: [ 2250.518583][ C2] [ 2250.518586][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2250.518594][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2250.518600][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2250.518603][ C2] ? lock_acquire+0x10c/0x170 [ 2250.518608][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2250.518616][ C2] mptcp_try_fallback+0x14b/0x360 [ 2250.518620][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2250.518626][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2250.518629][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2250.518632][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2250.518637][ C2] __mptcp_retrans+0x42a/0x960 [ 2250.518643][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2250.518648][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2250.518656][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2250.518664][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2250.518666][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2250.518669][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2250.518672][ C2] ? lock_acquire+0x10c/0x170 [ 2250.518675][ C2] ? release_sock+0x1f/0x1d0 [ 2250.518682][ C2] release_sock+0x17f/0x1d0 [ 2250.518685][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2250.518692][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2250.518697][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2250.518700][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2250.518707][ C2] ? find_held_lock+0x2b/0x80 [ 2250.518711][ C2] sock_write_iter+0x3c1/0x520 [ 2250.518717][ C2] ? __up_write+0x1ad/0x530 [ 2250.518723][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2250.518729][ C2] ? ksys_write+0xf7/0x1d0 [ 2250.518737][ C2] vfs_write+0xc0c/0x1210 [ 2250.518740][ C2] ? ksys_write+0x137/0x1d0 [ 2250.518742][ C2] ? __lock_release+0x5d/0x170 [ 2250.518746][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2250.518750][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2250.518757][ C2] ksys_write+0x183/0x1d0 [ 2250.518760][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2250.518762][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2250.518771][ C2] do_syscall_64+0xc1/0x380 [ 2250.518775][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2250.518778][ C2] RIP: 0033:0x7f471c970337 [ 2250.518785][ 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 [ 2250.518787][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2250.518791][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2250.518793][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2250.518795][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2250.518797][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2250.518799][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2250.518805][ C2] [ 2276.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 49s! [mptcp_connect:16956] [ 2276.512948][ 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 [ 2276.512967][ C2] irq event stamp: 64230 [ 2276.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2276.512987][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2276.512991][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2276.512999][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2276.513007][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Not tainted 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2276.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2276.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2276.513021][ 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 [ 2276.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2276.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2276.513030][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2276.513031][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2276.513034][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2276.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2276.513038][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2276.513041][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2276.513044][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2276.513046][ C2] PKRU: 55555554 [ 2276.513048][ C2] Call Trace: [ 2276.513050][ C2] [ 2276.513054][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2276.513061][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2276.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2276.513070][ C2] ? lock_acquire+0x10c/0x170 [ 2276.513075][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2276.513080][ C2] mptcp_try_fallback+0x14b/0x360 [ 2276.513084][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2276.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2276.513094][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2276.513097][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2276.513101][ C2] __mptcp_retrans+0x42a/0x960 [ 2276.513107][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2276.513113][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2276.513122][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2276.513130][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2276.513132][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2276.513136][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2276.513138][ C2] ? lock_acquire+0x10c/0x170 [ 2276.513141][ C2] ? release_sock+0x1f/0x1d0 [ 2276.513148][ C2] release_sock+0x17f/0x1d0 [ 2276.513152][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2276.513160][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2276.513164][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2276.513168][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2276.513174][ C2] ? find_held_lock+0x2b/0x80 [ 2276.513179][ C2] sock_write_iter+0x3c1/0x520 [ 2276.513185][ C2] ? __up_write+0x1ad/0x530 [ 2276.513191][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2276.513198][ C2] ? ksys_write+0xf7/0x1d0 [ 2276.513206][ C2] vfs_write+0xc0c/0x1210 [ 2276.513210][ C2] ? ksys_write+0x137/0x1d0 [ 2276.513212][ C2] ? __lock_release+0x5d/0x170 [ 2276.513216][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2276.513220][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2276.513228][ C2] ksys_write+0x183/0x1d0 [ 2276.513232][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2276.513234][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2276.513242][ C2] do_syscall_64+0xc1/0x380 [ 2276.513247][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2276.513252][ C2] RIP: 0033:0x7f471c970337 [ 2276.513258][ 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 [ 2276.513260][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2276.513263][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2276.513265][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2276.513267][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2276.513269][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2276.513271][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2276.513277][ C2] [ 2291.101385][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 36549 jiffies s: 68525 root: 0x4/. [ 2291.102076][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2291.102433][ T17] Sending NMI from CPU 0 to CPUs 2: [ 2291.102711][ C2] NMI backtrace for cpu 2 [ 2291.102721][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2291.102728][ C2] Tainted: [L]=SOFTLOCKUP [ 2291.102729][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2291.102732][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2291.102744][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2291.102747][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2291.102751][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2291.102753][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2291.102755][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2291.102757][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2291.102759][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2291.102761][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2291.102764][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2291.102767][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2291.102769][ C2] PKRU: 55555554 [ 2291.102771][ C2] Call Trace: [ 2291.102773][ C2] [ 2291.102776][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2291.102784][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2291.102791][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2291.102794][ C2] ? lock_acquire+0x10c/0x170 [ 2291.102799][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2291.102807][ C2] mptcp_try_fallback+0x14b/0x360 [ 2291.102811][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2291.102818][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2291.102820][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2291.102823][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2291.102828][ C2] __mptcp_retrans+0x42a/0x960 [ 2291.102834][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2291.102839][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2291.102849][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2291.102856][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2291.102859][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2291.102862][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2291.102864][ C2] ? lock_acquire+0x10c/0x170 [ 2291.102867][ C2] ? release_sock+0x1f/0x1d0 [ 2291.102874][ C2] release_sock+0x17f/0x1d0 [ 2291.102878][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2291.102886][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2291.102890][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2291.102894][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2291.102901][ C2] ? find_held_lock+0x2b/0x80 [ 2291.102905][ C2] sock_write_iter+0x3c1/0x520 [ 2291.102911][ C2] ? __up_write+0x1ad/0x530 [ 2291.102917][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2291.102924][ C2] ? ksys_write+0xf7/0x1d0 [ 2291.102931][ C2] vfs_write+0xc0c/0x1210 [ 2291.102935][ C2] ? ksys_write+0x137/0x1d0 [ 2291.102938][ C2] ? __lock_release+0x5d/0x170 [ 2291.102942][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2291.102945][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2291.102953][ C2] ksys_write+0x183/0x1d0 [ 2291.102956][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2291.102959][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2291.102967][ C2] do_syscall_64+0xc1/0x380 [ 2291.102971][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2291.102975][ C2] RIP: 0033:0x7f471c970337 [ 2291.102981][ 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 [ 2291.102984][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2291.102987][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2291.102989][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2291.102991][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2291.102993][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2291.102995][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2291.103001][ C2] [ 2316.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 86s! [mptcp_connect:16956] [ 2316.512948][ 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 [ 2316.512968][ C2] irq event stamp: 64230 [ 2316.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2316.512984][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2316.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2316.512996][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2316.513005][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2316.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 2316.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2316.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2316.513021][ 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 [ 2316.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2316.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2316.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2316.513032][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2316.513034][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2316.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2316.513038][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2316.513041][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2316.513045][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2316.513046][ C2] PKRU: 55555554 [ 2316.513048][ C2] Call Trace: [ 2316.513050][ C2] [ 2316.513054][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2316.513061][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2316.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2316.513070][ C2] ? lock_acquire+0x10c/0x170 [ 2316.513075][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2316.513080][ C2] mptcp_try_fallback+0x14b/0x360 [ 2316.513084][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2316.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2316.513093][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2316.513096][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2316.513101][ C2] __mptcp_retrans+0x42a/0x960 [ 2316.513107][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2316.513112][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2316.513121][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2316.513129][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2316.513132][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2316.513135][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2316.513137][ C2] ? lock_acquire+0x10c/0x170 [ 2316.513140][ C2] ? release_sock+0x1f/0x1d0 [ 2316.513147][ C2] release_sock+0x17f/0x1d0 [ 2316.513151][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2316.513159][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2316.513163][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2316.513167][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2316.513174][ C2] ? find_held_lock+0x2b/0x80 [ 2316.513178][ C2] sock_write_iter+0x3c1/0x520 [ 2316.513185][ C2] ? __up_write+0x1ad/0x530 [ 2316.513191][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2316.513197][ C2] ? ksys_write+0xf7/0x1d0 [ 2316.513205][ C2] vfs_write+0xc0c/0x1210 [ 2316.513209][ C2] ? ksys_write+0x137/0x1d0 [ 2316.513211][ C2] ? __lock_release+0x5d/0x170 [ 2316.513215][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2316.513219][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2316.513227][ C2] ksys_write+0x183/0x1d0 [ 2316.513230][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2316.513233][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2316.513241][ C2] do_syscall_64+0xc1/0x380 [ 2316.513246][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2316.513251][ C2] RIP: 0033:0x7f471c970337 [ 2316.513257][ 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 [ 2316.513260][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2316.513263][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2316.513265][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2316.513267][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2316.513269][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2316.513271][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2316.513276][ C2] [ 2328.520321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2328.520746][ C2] rcu: 2-....: (103920 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=25983 [ 2328.521145][ C2] rcu: (t=104003 jiffies g=1286133 q=2619 ncpus=4) [ 2328.521515][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2328.521521][ C2] Tainted: [L]=SOFTLOCKUP [ 2328.521523][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2328.521525][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2328.521539][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2328.521542][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2328.521546][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2328.521548][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2328.521551][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2328.521553][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2328.521554][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2328.521557][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2328.521559][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2328.521563][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2328.521565][ C2] PKRU: 55555554 [ 2328.521566][ C2] Call Trace: [ 2328.521568][ C2] [ 2328.521571][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2328.521578][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2328.521584][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2328.521587][ C2] ? lock_acquire+0x10c/0x170 [ 2328.521592][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2328.521601][ C2] mptcp_try_fallback+0x14b/0x360 [ 2328.521605][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2328.521611][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2328.521614][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2328.521617][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2328.521622][ C2] __mptcp_retrans+0x42a/0x960 [ 2328.521628][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2328.521633][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2328.521643][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2328.521650][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2328.521653][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2328.521656][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2328.521658][ C2] ? lock_acquire+0x10c/0x170 [ 2328.521661][ C2] ? release_sock+0x1f/0x1d0 [ 2328.521669][ C2] release_sock+0x17f/0x1d0 [ 2328.521672][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2328.521679][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2328.521683][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2328.521687][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2328.521694][ C2] ? find_held_lock+0x2b/0x80 [ 2328.521698][ C2] sock_write_iter+0x3c1/0x520 [ 2328.521705][ C2] ? __up_write+0x1ad/0x530 [ 2328.521710][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2328.521717][ C2] ? ksys_write+0xf7/0x1d0 [ 2328.521725][ C2] vfs_write+0xc0c/0x1210 [ 2328.521728][ C2] ? ksys_write+0x137/0x1d0 [ 2328.521731][ C2] ? __lock_release+0x5d/0x170 [ 2328.521734][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2328.521738][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2328.521745][ C2] ksys_write+0x183/0x1d0 [ 2328.521748][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2328.521751][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2328.521759][ C2] do_syscall_64+0xc1/0x380 [ 2328.521764][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2328.521768][ C2] RIP: 0033:0x7f471c970337 [ 2328.521773][ 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 [ 2328.521776][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2328.521779][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2328.521781][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2328.521783][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2328.521785][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2328.521787][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2328.521792][ C2] [ 2356.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 123s! [mptcp_connect:16956] [ 2356.512949][ 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 [ 2356.512968][ C2] irq event stamp: 64230 [ 2356.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2356.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2356.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2356.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2356.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2356.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 2356.513011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2356.513014][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2356.513019][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2356.513022][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2356.513026][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2356.513028][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2356.513030][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2356.513032][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2356.513033][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2356.513035][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2356.513037][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2356.513041][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2356.513043][ C2] PKRU: 55555554 [ 2356.513045][ C2] Call Trace: [ 2356.513048][ C2] [ 2356.513053][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2356.513061][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2356.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2356.513070][ C2] ? lock_acquire+0x10c/0x170 [ 2356.513075][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2356.513080][ C2] mptcp_try_fallback+0x14b/0x360 [ 2356.513084][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2356.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2356.513094][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2356.513097][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2356.513102][ C2] __mptcp_retrans+0x42a/0x960 [ 2356.513108][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2356.513113][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2356.513122][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2356.513129][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2356.513132][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2356.513135][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2356.513138][ C2] ? lock_acquire+0x10c/0x170 [ 2356.513141][ C2] ? release_sock+0x1f/0x1d0 [ 2356.513148][ C2] release_sock+0x17f/0x1d0 [ 2356.513152][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2356.513161][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2356.513164][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2356.513168][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2356.513175][ C2] ? find_held_lock+0x2b/0x80 [ 2356.513180][ C2] sock_write_iter+0x3c1/0x520 [ 2356.513186][ C2] ? __up_write+0x1ad/0x530 [ 2356.513192][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2356.513198][ C2] ? ksys_write+0xf7/0x1d0 [ 2356.513206][ C2] vfs_write+0xc0c/0x1210 [ 2356.513210][ C2] ? ksys_write+0x137/0x1d0 [ 2356.513213][ C2] ? __lock_release+0x5d/0x170 [ 2356.513217][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2356.513221][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2356.513228][ C2] ksys_write+0x183/0x1d0 [ 2356.513232][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2356.513234][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2356.513242][ C2] do_syscall_64+0xc1/0x380 [ 2356.513247][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2356.513252][ C2] RIP: 0033:0x7f471c970337 [ 2356.513257][ 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 [ 2356.513259][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2356.513262][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2356.513264][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2356.513266][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2356.513268][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2356.513270][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2356.513276][ C2] [ 2384.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 149s! [mptcp_connect:16956] [ 2384.512949][ 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 [ 2384.512967][ C2] irq event stamp: 64230 [ 2384.512968][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2384.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2384.512986][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2384.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2384.513003][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2384.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 2384.513011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2384.513013][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 2384.513022][ C2] Code: c7 c7 40 05 87 a3 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 [ 2384.513025][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 2384.513029][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2384.513031][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2384.513033][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2384.513035][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2384.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2384.513038][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2384.513042][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2384.513046][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2384.513048][ C2] PKRU: 55555554 [ 2384.513049][ C2] Call Trace: [ 2384.513054][ C2] [ 2384.513056][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2384.513065][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2384.513073][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2384.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2384.513081][ C2] ? lock_acquire+0x10c/0x170 [ 2384.513086][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2384.513091][ C2] mptcp_try_fallback+0x14b/0x360 [ 2384.513095][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2384.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2384.513105][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2384.513108][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2384.513112][ C2] __mptcp_retrans+0x42a/0x960 [ 2384.513118][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2384.513124][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2384.513133][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2384.513141][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2384.513143][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2384.513146][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2384.513149][ C2] ? lock_acquire+0x10c/0x170 [ 2384.513152][ C2] ? release_sock+0x1f/0x1d0 [ 2384.513159][ C2] release_sock+0x17f/0x1d0 [ 2384.513163][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2384.513170][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2384.513174][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2384.513178][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2384.513186][ C2] ? find_held_lock+0x2b/0x80 [ 2384.513190][ C2] sock_write_iter+0x3c1/0x520 [ 2384.513197][ C2] ? __up_write+0x1ad/0x530 [ 2384.513202][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2384.513209][ C2] ? ksys_write+0xf7/0x1d0 [ 2384.513217][ C2] vfs_write+0xc0c/0x1210 [ 2384.513221][ C2] ? ksys_write+0x137/0x1d0 [ 2384.513223][ C2] ? __lock_release+0x5d/0x170 [ 2384.513227][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2384.513231][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2384.513239][ C2] ksys_write+0x183/0x1d0 [ 2384.513242][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2384.513245][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2384.513253][ C2] do_syscall_64+0xc1/0x380 [ 2384.513258][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2384.513263][ C2] RIP: 0033:0x7f471c970337 [ 2384.513269][ 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 [ 2384.513272][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2384.513275][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2384.513277][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2384.513279][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2384.513280][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2384.513282][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2384.513288][ C2] [ 2389.405339][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 134853 jiffies s: 68525 root: 0x4/. [ 2389.405852][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2389.406149][ T17] Sending NMI from CPU 0 to CPUs 2: [ 2389.406341][ C2] NMI backtrace for cpu 2 [ 2389.406355][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2389.406362][ C2] Tainted: [L]=SOFTLOCKUP [ 2389.406363][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2389.406366][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2389.406380][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2389.406383][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2389.406388][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2389.406390][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2389.406392][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2389.406394][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2389.406395][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2389.406397][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2389.406400][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2389.406403][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2389.406406][ C2] PKRU: 55555554 [ 2389.406407][ C2] Call Trace: [ 2389.406410][ C2] [ 2389.406414][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2389.406422][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2389.406429][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2389.406432][ C2] ? lock_acquire+0x10c/0x170 [ 2389.406436][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2389.406445][ C2] mptcp_try_fallback+0x14b/0x360 [ 2389.406449][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2389.406456][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2389.406458][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2389.406461][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2389.406466][ C2] __mptcp_retrans+0x42a/0x960 [ 2389.406472][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2389.406477][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2389.406486][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2389.406494][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2389.406496][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2389.406499][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2389.406502][ C2] ? lock_acquire+0x10c/0x170 [ 2389.406505][ C2] ? release_sock+0x1f/0x1d0 [ 2389.406513][ C2] release_sock+0x17f/0x1d0 [ 2389.406517][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2389.406524][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2389.406528][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2389.406532][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2389.406539][ C2] ? find_held_lock+0x2b/0x80 [ 2389.406543][ C2] sock_write_iter+0x3c1/0x520 [ 2389.406549][ C2] ? __up_write+0x1ad/0x530 [ 2389.406555][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2389.406562][ C2] ? ksys_write+0xf7/0x1d0 [ 2389.406569][ C2] vfs_write+0xc0c/0x1210 [ 2389.406573][ C2] ? ksys_write+0x137/0x1d0 [ 2389.406576][ C2] ? __lock_release+0x5d/0x170 [ 2389.406579][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2389.406583][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2389.406590][ C2] ksys_write+0x183/0x1d0 [ 2389.406594][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2389.406596][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2389.406604][ C2] do_syscall_64+0xc1/0x380 [ 2389.406609][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2389.406613][ C2] RIP: 0033:0x7f471c970337 [ 2389.406618][ 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 [ 2389.406621][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2389.406624][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2389.406626][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2389.406628][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2389.406630][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2389.406632][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2389.406637][ C2] [ 2406.523341][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2406.523923][ C2] rcu: 2-....: (181858 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=45358 [ 2406.524438][ C2] rcu: (t=182006 jiffies g=1286133 q=4021 ncpus=4) [ 2406.524730][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2406.524737][ C2] Tainted: [L]=SOFTLOCKUP [ 2406.524738][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2406.524746][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2406.524777][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2406.524781][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2406.524787][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2406.524789][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2406.524791][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2406.524794][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2406.524795][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2406.524798][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2406.524800][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2406.524804][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2406.524806][ C2] PKRU: 55555554 [ 2406.524808][ C2] Call Trace: [ 2406.524809][ C2] [ 2406.524813][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2406.524823][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2406.524832][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2406.524835][ C2] ? lock_acquire+0x10c/0x170 [ 2406.524841][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2406.524852][ C2] mptcp_try_fallback+0x14b/0x360 [ 2406.524857][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2406.524864][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2406.524866][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2406.524869][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2406.524874][ C2] __mptcp_retrans+0x42a/0x960 [ 2406.524880][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2406.524885][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2406.524893][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2406.524902][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2406.524905][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2406.524908][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2406.524910][ C2] ? lock_acquire+0x10c/0x170 [ 2406.524913][ C2] ? release_sock+0x1f/0x1d0 [ 2406.524925][ C2] release_sock+0x17f/0x1d0 [ 2406.524928][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2406.524936][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2406.524940][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2406.524944][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2406.524953][ C2] ? find_held_lock+0x2b/0x80 [ 2406.524957][ C2] sock_write_iter+0x3c1/0x520 [ 2406.524963][ C2] ? __up_write+0x1ad/0x530 [ 2406.524969][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2406.524975][ C2] ? ksys_write+0xf7/0x1d0 [ 2406.524988][ C2] vfs_write+0xc0c/0x1210 [ 2406.524991][ C2] ? ksys_write+0x137/0x1d0 [ 2406.524994][ C2] ? __lock_release+0x5d/0x170 [ 2406.524998][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2406.525001][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2406.525009][ C2] ksys_write+0x183/0x1d0 [ 2406.525012][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2406.525014][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2406.525023][ C2] do_syscall_64+0xc1/0x380 [ 2406.525028][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2406.525032][ C2] RIP: 0033:0x7f471c970337 [ 2406.525047][ 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 [ 2406.525049][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2406.525052][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2406.525054][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2406.525056][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2406.525058][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2406.525060][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2406.525066][ C2] [ 2432.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 194s! [mptcp_connect:16956] [ 2432.512948][ 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 [ 2432.512978][ C2] irq event stamp: 64230 [ 2432.512979][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2432.512993][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2432.512997][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2432.513005][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2432.513015][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2432.513022][ C2] Tainted: [L]=SOFTLOCKUP [ 2432.513023][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2432.513026][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2432.513031][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2432.513035][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2432.513038][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2432.513041][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2432.513043][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2432.513045][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2432.513047][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2432.513050][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2432.513052][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2432.513056][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2432.513058][ C2] PKRU: 55555554 [ 2432.513059][ C2] Call Trace: [ 2432.513063][ C2] [ 2432.513067][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2432.513075][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2432.513082][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2432.513084][ C2] ? lock_acquire+0x10c/0x170 [ 2432.513089][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2432.513094][ C2] mptcp_try_fallback+0x14b/0x360 [ 2432.513099][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2432.513105][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2432.513108][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2432.513111][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2432.513116][ C2] __mptcp_retrans+0x42a/0x960 [ 2432.513122][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2432.513127][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2432.513136][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2432.513144][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2432.513147][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2432.513150][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2432.513153][ C2] ? lock_acquire+0x10c/0x170 [ 2432.513156][ C2] ? release_sock+0x1f/0x1d0 [ 2432.513163][ C2] release_sock+0x17f/0x1d0 [ 2432.513167][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2432.513175][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2432.513179][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2432.513183][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2432.513190][ C2] ? find_held_lock+0x2b/0x80 [ 2432.513195][ C2] sock_write_iter+0x3c1/0x520 [ 2432.513201][ C2] ? __up_write+0x1ad/0x530 [ 2432.513207][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2432.513214][ C2] ? ksys_write+0xf7/0x1d0 [ 2432.513222][ C2] vfs_write+0xc0c/0x1210 [ 2432.513226][ C2] ? ksys_write+0x137/0x1d0 [ 2432.513229][ C2] ? __lock_release+0x5d/0x170 [ 2432.513233][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2432.513237][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2432.513244][ C2] ksys_write+0x183/0x1d0 [ 2432.513248][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2432.513250][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2432.513258][ C2] do_syscall_64+0xc1/0x380 [ 2432.513263][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2432.513268][ C2] RIP: 0033:0x7f471c970337 [ 2432.513275][ 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 [ 2432.513277][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2432.513281][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2432.513283][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2432.513285][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2432.513287][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2432.513289][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2432.513295][ C2] [ 2459.037460][ T44] INFO: task mptcp_connect:16951 blocked for more than 122 seconds. [ 2459.037842][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 2459.038172][ T44] Blocked by coredump. [ 2459.038335][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2459.038629][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 2459.039075][ T44] Call Trace: [ 2459.039202][ T44] [ 2459.039290][ T44] __schedule+0x862/0x1b00 [ 2459.039602][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 2459.039782][ T44] ? __pfx___schedule+0x10/0x10 [ 2459.039941][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2459.040113][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2459.040361][ T44] ? rcu_is_watching+0x12/0xc0 [ 2459.040525][ T44] ? rcu_is_watching+0x12/0xc0 [ 2459.040692][ T44] ? schedule+0x1ee/0x270 [ 2459.040813][ T44] ? rcu_is_watching+0x12/0xc0 [ 2459.040982][ T44] schedule+0xe2/0x270 [ 2459.041184][ T44] synchronize_rcu_expedited+0x379/0x450 [ 2459.041355][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 2459.041567][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 2459.041860][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2459.042019][ T44] ? rcu_is_watching+0x12/0xc0 [ 2459.042178][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 2459.042348][ T44] ? __up_write+0x1ad/0x530 [ 2459.042589][ T44] ? trace_lock_release+0x2a/0xd0 [ 2459.042752][ T44] namespace_unlock+0x440/0x7f0 [ 2459.042939][ T44] ? umount_tree+0x53d/0x1260 [ 2459.043101][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 2459.043357][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2459.043532][ T44] ? __pfx_umount_tree+0x10/0x10 [ 2459.043692][ T44] ? put_mnt_ns+0xc8/0xf0 [ 2459.043814][ T44] ? rcu_is_watching+0x12/0xc0 [ 2459.043982][ T44] put_mnt_ns+0xcd/0xf0 [ 2459.044188][ T44] free_nsproxy+0x39/0x330 [ 2459.044398][ T44] do_exit+0x5a2/0xea0 [ 2459.044525][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2459.044688][ T44] ? __pfx_do_exit+0x10/0x10 [ 2459.044928][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2459.045091][ T44] ? rcu_is_watching+0x12/0xc0 [ 2459.045255][ T44] do_group_exit+0xb8/0x260 [ 2459.045424][ T44] __x64_sys_exit_group+0x3e/0x50 [ 2459.045663][ T44] x64_sys_call+0xf76/0x18a0 [ 2459.045835][ T44] do_syscall_64+0xc1/0x380 [ 2459.046006][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2459.046215][ T44] RIP: 0033:0x7f1e66bbcadd [ 2459.046479][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 2459.046727][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 2459.046971][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 2459.047310][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 2459.047562][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 2459.047895][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 2459.048141][ T44] [ 2459.048276][ T44] INFO: lockdep is turned off. [ 2460.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 220s! [mptcp_connect:16956] [ 2460.512951][ 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 [ 2460.512969][ C2] irq event stamp: 64230 [ 2460.512971][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2460.512993][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2460.512998][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2460.513005][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2460.513016][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2460.513021][ C2] Tainted: [L]=SOFTLOCKUP [ 2460.513023][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2460.513026][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2460.513032][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2460.513035][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2460.513039][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2460.513041][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2460.513043][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2460.513045][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2460.513047][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2460.513049][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2460.513052][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2460.513056][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2460.513058][ C2] PKRU: 55555554 [ 2460.513060][ C2] Call Trace: [ 2460.513064][ C2] [ 2460.513069][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2460.513077][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2460.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2460.513086][ C2] ? lock_acquire+0x10c/0x170 [ 2460.513091][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2460.513096][ C2] mptcp_try_fallback+0x14b/0x360 [ 2460.513101][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2460.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2460.513111][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2460.513114][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2460.513118][ C2] __mptcp_retrans+0x42a/0x960 [ 2460.513125][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2460.513130][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2460.513139][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2460.513147][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2460.513150][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2460.513153][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2460.513155][ C2] ? lock_acquire+0x10c/0x170 [ 2460.513158][ C2] ? release_sock+0x1f/0x1d0 [ 2460.513165][ C2] release_sock+0x17f/0x1d0 [ 2460.513170][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2460.513178][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2460.513181][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2460.513185][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2460.513192][ C2] ? find_held_lock+0x2b/0x80 [ 2460.513196][ C2] sock_write_iter+0x3c1/0x520 [ 2460.513203][ C2] ? __up_write+0x1ad/0x530 [ 2460.513209][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2460.513215][ C2] ? ksys_write+0xf7/0x1d0 [ 2460.513223][ C2] vfs_write+0xc0c/0x1210 [ 2460.513228][ C2] ? ksys_write+0x137/0x1d0 [ 2460.513230][ C2] ? __lock_release+0x5d/0x170 [ 2460.513234][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2460.513238][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2460.513246][ C2] ksys_write+0x183/0x1d0 [ 2460.513250][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2460.513252][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2460.513260][ C2] do_syscall_64+0xc1/0x380 [ 2460.513266][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2460.513271][ C2] RIP: 0033:0x7f471c970337 [ 2460.513277][ 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 [ 2460.513280][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2460.513283][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2460.513285][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2460.513287][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2460.513289][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2460.513291][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2460.513297][ C2] [ 2484.526323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2484.526756][ C2] rcu: 2-....: (259811 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=64673 [ 2484.527132][ C2] rcu: (t=260009 jiffies g=1286133 q=5322 ncpus=4) [ 2484.527491][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2484.527498][ C2] Tainted: [L]=SOFTLOCKUP [ 2484.527499][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2484.527501][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2484.527515][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2484.527518][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2484.527523][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2484.527525][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2484.527527][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2484.527529][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2484.527531][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2484.527533][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2484.527536][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2484.527540][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2484.527542][ C2] PKRU: 55555554 [ 2484.527543][ C2] Call Trace: [ 2484.527545][ C2] [ 2484.527547][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2484.527555][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2484.527560][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2484.527563][ C2] ? lock_acquire+0x10c/0x170 [ 2484.527568][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2484.527576][ C2] mptcp_try_fallback+0x14b/0x360 [ 2484.527579][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2484.527586][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2484.527588][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2484.527591][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2484.527596][ C2] __mptcp_retrans+0x42a/0x960 [ 2484.527602][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2484.527607][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2484.527616][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2484.527623][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2484.527626][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2484.527629][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2484.527632][ C2] ? lock_acquire+0x10c/0x170 [ 2484.527635][ C2] ? release_sock+0x1f/0x1d0 [ 2484.527642][ C2] release_sock+0x17f/0x1d0 [ 2484.527645][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2484.527653][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2484.527656][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2484.527660][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2484.527667][ C2] ? find_held_lock+0x2b/0x80 [ 2484.527671][ C2] sock_write_iter+0x3c1/0x520 [ 2484.527677][ C2] ? __up_write+0x1ad/0x530 [ 2484.527683][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2484.527689][ C2] ? ksys_write+0xf7/0x1d0 [ 2484.527697][ C2] vfs_write+0xc0c/0x1210 [ 2484.527701][ C2] ? ksys_write+0x137/0x1d0 [ 2484.527703][ C2] ? __lock_release+0x5d/0x170 [ 2484.527707][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2484.527711][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2484.527718][ C2] ksys_write+0x183/0x1d0 [ 2484.527722][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2484.527724][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2484.527732][ C2] do_syscall_64+0xc1/0x380 [ 2484.527736][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2484.527740][ C2] RIP: 0033:0x7f471c970337 [ 2484.527747][ 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 [ 2484.527749][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2484.527752][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2484.527754][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2484.527756][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2484.527758][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2484.527759][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2484.527766][ C2] [ 2487.709363][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 233157 jiffies s: 68525 root: 0x4/. [ 2487.709901][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2487.710182][ T17] Sending NMI from CPU 0 to CPUs 2: [ 2487.710381][ C2] NMI backtrace for cpu 2 [ 2487.710395][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2487.710401][ C2] Tainted: [L]=SOFTLOCKUP [ 2487.710403][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2487.710406][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 2487.710419][ 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 [ 2487.710422][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2487.710427][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2487.710429][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2487.710431][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2487.710433][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2487.710435][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2487.710437][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2487.710439][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2487.710443][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2487.710445][ C2] PKRU: 55555554 [ 2487.710446][ C2] Call Trace: [ 2487.710448][ C2] [ 2487.710453][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2487.710460][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2487.710466][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2487.710469][ C2] ? lock_acquire+0x10c/0x170 [ 2487.710473][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2487.710481][ C2] mptcp_try_fallback+0x14b/0x360 [ 2487.710485][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2487.710492][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2487.710495][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2487.710497][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2487.710502][ C2] __mptcp_retrans+0x42a/0x960 [ 2487.710508][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2487.710513][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2487.710525][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2487.710533][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2487.710535][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2487.710539][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2487.710541][ C2] ? lock_acquire+0x10c/0x170 [ 2487.710544][ C2] ? release_sock+0x1f/0x1d0 [ 2487.710552][ C2] release_sock+0x17f/0x1d0 [ 2487.710555][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2487.710563][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2487.710567][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2487.710571][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2487.710577][ C2] ? find_held_lock+0x2b/0x80 [ 2487.710581][ C2] sock_write_iter+0x3c1/0x520 [ 2487.710588][ C2] ? __up_write+0x1ad/0x530 [ 2487.710593][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2487.710600][ C2] ? ksys_write+0xf7/0x1d0 [ 2487.710608][ C2] vfs_write+0xc0c/0x1210 [ 2487.710611][ C2] ? ksys_write+0x137/0x1d0 [ 2487.710614][ C2] ? __lock_release+0x5d/0x170 [ 2487.710618][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2487.710621][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2487.710629][ C2] ksys_write+0x183/0x1d0 [ 2487.710632][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2487.710635][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2487.710643][ C2] do_syscall_64+0xc1/0x380 [ 2487.710648][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2487.710652][ C2] RIP: 0033:0x7f471c970337 [ 2487.710658][ 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 [ 2487.710661][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2487.710664][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2487.710666][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2487.710668][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2487.710670][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2487.710671][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2487.710677][ C2] [ 2512.512945][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 268s! [mptcp_connect:16956] [ 2512.512972][ 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 [ 2512.512992][ C2] irq event stamp: 64230 [ 2512.512997][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2512.513026][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2512.513030][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2512.513041][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2512.513056][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2512.513062][ C2] Tainted: [L]=SOFTLOCKUP [ 2512.513064][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2512.513067][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2512.513073][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2512.513076][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2512.513082][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2512.513085][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2512.513087][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2512.513089][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2512.513090][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2512.513093][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2512.513095][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2512.513099][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2512.513101][ C2] PKRU: 55555554 [ 2512.513102][ C2] Call Trace: [ 2512.513109][ C2] [ 2512.513113][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2512.513121][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2512.513139][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2512.513142][ C2] ? lock_acquire+0x10c/0x170 [ 2512.513146][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2512.513151][ C2] mptcp_try_fallback+0x14b/0x360 [ 2512.513155][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2512.513162][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2512.513165][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2512.513168][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2512.513173][ C2] __mptcp_retrans+0x42a/0x960 [ 2512.513181][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2512.513186][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2512.513202][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2512.513211][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2512.513213][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2512.513217][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2512.513219][ C2] ? lock_acquire+0x10c/0x170 [ 2512.513222][ C2] ? release_sock+0x1f/0x1d0 [ 2512.513232][ C2] release_sock+0x17f/0x1d0 [ 2512.513237][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2512.513245][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2512.513248][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2512.513252][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2512.513266][ C2] ? find_held_lock+0x2b/0x80 [ 2512.513270][ C2] sock_write_iter+0x3c1/0x520 [ 2512.513278][ C2] ? __up_write+0x1ad/0x530 [ 2512.513284][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2512.513291][ C2] ? ksys_write+0xf7/0x1d0 [ 2512.513301][ C2] vfs_write+0xc0c/0x1210 [ 2512.513307][ C2] ? ksys_write+0x137/0x1d0 [ 2512.513309][ C2] ? __lock_release+0x5d/0x170 [ 2512.513314][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2512.513318][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2512.513325][ C2] ksys_write+0x183/0x1d0 [ 2512.513329][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2512.513331][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2512.513339][ C2] do_syscall_64+0xc1/0x380 [ 2512.513344][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2512.513351][ C2] RIP: 0033:0x7f471c970337 [ 2512.513360][ 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 [ 2512.513362][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2512.513365][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2512.513367][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2512.513369][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2512.513371][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2512.513373][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2512.513379][ C2] [ 2540.512945][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 295s! [mptcp_connect:16956] [ 2540.512962][ 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 [ 2540.512991][ C2] irq event stamp: 64230 [ 2540.512993][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2540.513020][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2540.513024][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2540.513032][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2540.513047][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2540.513054][ C2] Tainted: [L]=SOFTLOCKUP [ 2540.513056][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2540.513059][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2540.513065][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2540.513068][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2540.513071][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2540.513074][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2540.513076][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2540.513078][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2540.513080][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2540.513082][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2540.513085][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2540.513089][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2540.513091][ C2] PKRU: 55555554 [ 2540.513092][ C2] Call Trace: [ 2540.513099][ C2] [ 2540.513104][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2540.513112][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2540.513125][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2540.513127][ C2] ? lock_acquire+0x10c/0x170 [ 2540.513132][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2540.513138][ C2] mptcp_try_fallback+0x14b/0x360 [ 2540.513144][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2540.513151][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2540.513154][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2540.513157][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2540.513162][ C2] __mptcp_retrans+0x42a/0x960 [ 2540.513169][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2540.513174][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2540.513184][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2540.513193][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2540.513196][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2540.513199][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2540.513202][ C2] ? lock_acquire+0x10c/0x170 [ 2540.513205][ C2] ? release_sock+0x1f/0x1d0 [ 2540.513213][ C2] release_sock+0x17f/0x1d0 [ 2540.513217][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2540.513227][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2540.513230][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2540.513234][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2540.513247][ C2] ? find_held_lock+0x2b/0x80 [ 2540.513251][ C2] sock_write_iter+0x3c1/0x520 [ 2540.513260][ C2] ? __up_write+0x1ad/0x530 [ 2540.513265][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2540.513272][ C2] ? ksys_write+0xf7/0x1d0 [ 2540.513284][ C2] vfs_write+0xc0c/0x1210 [ 2540.513289][ C2] ? ksys_write+0x137/0x1d0 [ 2540.513291][ C2] ? __lock_release+0x5d/0x170 [ 2540.513296][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2540.513299][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2540.513307][ C2] ksys_write+0x183/0x1d0 [ 2540.513310][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2540.513313][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2540.513321][ C2] do_syscall_64+0xc1/0x380 [ 2540.513328][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2540.513338][ C2] RIP: 0033:0x7f471c970337 [ 2540.513348][ 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 [ 2540.513350][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2540.513354][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2540.513356][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2540.513358][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2540.513360][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2540.513362][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2540.513368][ C2] [ 2562.529323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2562.529786][ C2] rcu: 2-....: (337751 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=84009 [ 2562.530300][ C2] rcu: (t=338012 jiffies g=1286133 q=6737 ncpus=4) [ 2562.530539][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2562.530547][ C2] Tainted: [L]=SOFTLOCKUP [ 2562.530548][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2562.530551][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 2562.530563][ 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 [ 2562.530566][ C2] RSP: 0018:ffffc9000029f5b8 EFLAGS: 00000282 [ 2562.530570][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2562.530573][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2562.530575][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2562.530577][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2562.530579][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2562.530581][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2562.530583][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2562.530587][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2562.530589][ C2] PKRU: 55555554 [ 2562.530590][ C2] Call Trace: [ 2562.530592][ C2] [ 2562.530594][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2562.530604][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2562.530611][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2562.530616][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2562.530619][ C2] ? lock_acquire+0x10c/0x170 [ 2562.530624][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2562.530632][ C2] mptcp_try_fallback+0x14b/0x360 [ 2562.530636][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2562.530642][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2562.530645][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2562.530648][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2562.530653][ C2] __mptcp_retrans+0x42a/0x960 [ 2562.530659][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2562.530664][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2562.530673][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2562.530680][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2562.530683][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2562.530686][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2562.530689][ C2] ? lock_acquire+0x10c/0x170 [ 2562.530691][ C2] ? release_sock+0x1f/0x1d0 [ 2562.530699][ C2] release_sock+0x17f/0x1d0 [ 2562.530702][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2562.530709][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2562.530713][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2562.530717][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2562.530724][ C2] ? find_held_lock+0x2b/0x80 [ 2562.530728][ C2] sock_write_iter+0x3c1/0x520 [ 2562.530733][ C2] ? __up_write+0x1ad/0x530 [ 2562.530739][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2562.530745][ C2] ? ksys_write+0xf7/0x1d0 [ 2562.530752][ C2] vfs_write+0xc0c/0x1210 [ 2562.530755][ C2] ? ksys_write+0x137/0x1d0 [ 2562.530757][ C2] ? __lock_release+0x5d/0x170 [ 2562.530761][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2562.530765][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2562.530772][ C2] ksys_write+0x183/0x1d0 [ 2562.530775][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2562.530777][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2562.530785][ C2] do_syscall_64+0xc1/0x380 [ 2562.530789][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2562.530794][ C2] RIP: 0033:0x7f471c970337 [ 2562.530799][ 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 [ 2562.530802][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2562.530805][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2562.530807][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2562.530809][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2562.530811][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2562.530813][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2562.530819][ C2] [ 2581.917386][ T44] INFO: task mptcp_connect:16951 blocked for more than 245 seconds. [ 2581.917801][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 2581.918112][ T44] Blocked by coredump. [ 2581.918270][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2581.918562][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 2581.919001][ T44] Call Trace: [ 2581.919131][ T44] [ 2581.919215][ T44] __schedule+0x862/0x1b00 [ 2581.919397][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 2581.919642][ T44] ? __pfx___schedule+0x10/0x10 [ 2581.919805][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2581.919968][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2581.920126][ T44] ? rcu_is_watching+0x12/0xc0 [ 2581.920415][ T44] ? rcu_is_watching+0x12/0xc0 [ 2581.920585][ T44] ? schedule+0x1ee/0x270 [ 2581.920708][ T44] ? rcu_is_watching+0x12/0xc0 [ 2581.920869][ T44] schedule+0xe2/0x270 [ 2581.921071][ T44] synchronize_rcu_expedited+0x379/0x450 [ 2581.921234][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 2581.921442][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 2581.921644][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2581.921889][ T44] ? rcu_is_watching+0x12/0xc0 [ 2581.922052][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 2581.922214][ T44] ? __up_write+0x1ad/0x530 [ 2581.922389][ T44] ? trace_lock_release+0x2a/0xd0 [ 2581.922656][ T44] namespace_unlock+0x440/0x7f0 [ 2581.922824][ T44] ? umount_tree+0x53d/0x1260 [ 2581.922984][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 2581.923143][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2581.923394][ T44] ? __pfx_umount_tree+0x10/0x10 [ 2581.923553][ T44] ? put_mnt_ns+0xc8/0xf0 [ 2581.923674][ T44] ? rcu_is_watching+0x12/0xc0 [ 2581.923836][ T44] put_mnt_ns+0xcd/0xf0 [ 2581.924037][ T44] free_nsproxy+0x39/0x330 [ 2581.924201][ T44] do_exit+0x5a2/0xea0 [ 2581.924330][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2581.924490][ T44] ? __pfx_do_exit+0x10/0x10 [ 2581.924652][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2581.924893][ T44] ? rcu_is_watching+0x12/0xc0 [ 2581.925052][ T44] do_group_exit+0xb8/0x260 [ 2581.925213][ T44] __x64_sys_exit_group+0x3e/0x50 [ 2581.925486][ T44] x64_sys_call+0xf76/0x18a0 [ 2581.925656][ T44] do_syscall_64+0xc1/0x380 [ 2581.925817][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2581.926014][ T44] RIP: 0033:0x7f1e66bbcadd [ 2581.926268][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 2581.926522][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 2581.926781][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 2581.927109][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 2581.927365][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 2581.927608][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 2581.927933][ T44] [ 2581.928056][ T44] INFO: lockdep is turned off. [ 2586.013385][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 331461 jiffies s: 68525 root: 0x4/. [ 2586.014234][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2586.014547][ T17] Sending NMI from CPU 0 to CPUs 2: [ 2586.014808][ C2] NMI backtrace for cpu 2 [ 2586.014822][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2586.014829][ C2] Tainted: [L]=SOFTLOCKUP [ 2586.014831][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2586.014833][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2586.014846][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2586.014849][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2586.014853][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2586.014855][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2586.014857][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2586.014859][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2586.014861][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2586.014863][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2586.014865][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2586.014869][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2586.014871][ C2] PKRU: 55555554 [ 2586.014872][ C2] Call Trace: [ 2586.014875][ C2] [ 2586.014879][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2586.014886][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2586.014893][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2586.014896][ C2] ? lock_acquire+0x10c/0x170 [ 2586.014900][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2586.014908][ C2] mptcp_try_fallback+0x14b/0x360 [ 2586.014912][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2586.014919][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2586.014921][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2586.014925][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2586.014929][ C2] __mptcp_retrans+0x42a/0x960 [ 2586.014936][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2586.014941][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2586.014950][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2586.014958][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2586.014960][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2586.014963][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2586.014966][ C2] ? lock_acquire+0x10c/0x170 [ 2586.014969][ C2] ? release_sock+0x1f/0x1d0 [ 2586.014976][ C2] release_sock+0x17f/0x1d0 [ 2586.014980][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2586.014988][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2586.014992][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2586.014996][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2586.015002][ C2] ? find_held_lock+0x2b/0x80 [ 2586.015007][ C2] sock_write_iter+0x3c1/0x520 [ 2586.015013][ C2] ? __up_write+0x1ad/0x530 [ 2586.015019][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2586.015025][ C2] ? ksys_write+0xf7/0x1d0 [ 2586.015033][ C2] vfs_write+0xc0c/0x1210 [ 2586.015037][ C2] ? ksys_write+0x137/0x1d0 [ 2586.015040][ C2] ? __lock_release+0x5d/0x170 [ 2586.015043][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2586.015047][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2586.015055][ C2] ksys_write+0x183/0x1d0 [ 2586.015058][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2586.015061][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2586.015069][ C2] do_syscall_64+0xc1/0x380 [ 2586.015074][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2586.015078][ C2] RIP: 0033:0x7f471c970337 [ 2586.015084][ 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 [ 2586.015087][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2586.015090][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2586.015093][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2586.015094][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2586.015096][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2586.015098][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2586.015104][ C2] [ 2612.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 362s! [mptcp_connect:16956] [ 2612.512949][ 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 [ 2612.512967][ C2] irq event stamp: 64230 [ 2612.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2612.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2612.512986][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2612.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2612.513003][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2612.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 2612.513010][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2612.513013][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2612.513019][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2612.513022][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2612.513025][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2612.513028][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2612.513030][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2612.513031][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2612.513033][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2612.513036][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2612.513039][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2612.513042][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2612.513044][ C2] PKRU: 55555554 [ 2612.513046][ C2] Call Trace: [ 2612.513049][ C2] [ 2612.513054][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2612.513061][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2612.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2612.513071][ C2] ? lock_acquire+0x10c/0x170 [ 2612.513075][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2612.513081][ C2] mptcp_try_fallback+0x14b/0x360 [ 2612.513085][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2612.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2612.513094][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2612.513097][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2612.513102][ C2] __mptcp_retrans+0x42a/0x960 [ 2612.513108][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2612.513113][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2612.513122][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2612.513130][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2612.513132][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2612.513135][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2612.513138][ C2] ? lock_acquire+0x10c/0x170 [ 2612.513141][ C2] ? release_sock+0x1f/0x1d0 [ 2612.513148][ C2] release_sock+0x17f/0x1d0 [ 2612.513152][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2612.513160][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2612.513164][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2612.513168][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2612.513174][ C2] ? find_held_lock+0x2b/0x80 [ 2612.513179][ C2] sock_write_iter+0x3c1/0x520 [ 2612.513186][ C2] ? __up_write+0x1ad/0x530 [ 2612.513191][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2612.513198][ C2] ? ksys_write+0xf7/0x1d0 [ 2612.513206][ C2] vfs_write+0xc0c/0x1210 [ 2612.513210][ C2] ? ksys_write+0x137/0x1d0 [ 2612.513213][ C2] ? __lock_release+0x5d/0x170 [ 2612.513216][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2612.513220][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2612.513227][ C2] ksys_write+0x183/0x1d0 [ 2612.513231][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2612.513234][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2612.513242][ C2] do_syscall_64+0xc1/0x380 [ 2612.513247][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2612.513252][ C2] RIP: 0033:0x7f471c970337 [ 2612.513257][ 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 [ 2612.513260][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2612.513263][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2612.513265][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2612.513267][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2612.513269][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2612.513271][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2612.513277][ C2] [ 2640.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 388s! [mptcp_connect:16956] [ 2640.512950][ 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 [ 2640.512968][ C2] irq event stamp: 64230 [ 2640.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2640.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2640.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2640.512996][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2640.513005][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2640.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 2640.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2640.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2640.513021][ 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 [ 2640.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2640.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2640.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2640.513032][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2640.513033][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2640.513035][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2640.513038][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2640.513040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2640.513044][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2640.513046][ C2] PKRU: 55555554 [ 2640.513048][ C2] Call Trace: [ 2640.513051][ C2] [ 2640.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2640.513063][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2640.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2640.513072][ C2] ? lock_acquire+0x10c/0x170 [ 2640.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2640.513082][ C2] mptcp_try_fallback+0x14b/0x360 [ 2640.513087][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2640.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2640.513096][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2640.513099][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2640.513104][ C2] __mptcp_retrans+0x42a/0x960 [ 2640.513110][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2640.513116][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2640.513124][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2640.513132][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2640.513135][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2640.513138][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2640.513141][ C2] ? lock_acquire+0x10c/0x170 [ 2640.513144][ C2] ? release_sock+0x1f/0x1d0 [ 2640.513151][ C2] release_sock+0x17f/0x1d0 [ 2640.513154][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2640.513163][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2640.513166][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2640.513170][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2640.513178][ C2] ? find_held_lock+0x2b/0x80 [ 2640.513182][ C2] sock_write_iter+0x3c1/0x520 [ 2640.513189][ C2] ? __up_write+0x1ad/0x530 [ 2640.513195][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2640.513202][ C2] ? ksys_write+0xf7/0x1d0 [ 2640.513210][ C2] vfs_write+0xc0c/0x1210 [ 2640.513214][ C2] ? ksys_write+0x137/0x1d0 [ 2640.513216][ C2] ? __lock_release+0x5d/0x170 [ 2640.513220][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2640.513224][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2640.513232][ C2] ksys_write+0x183/0x1d0 [ 2640.513236][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2640.513238][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2640.513246][ C2] do_syscall_64+0xc1/0x380 [ 2640.513251][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2640.513255][ C2] RIP: 0033:0x7f471c970337 [ 2640.513261][ 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 [ 2640.513264][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2640.513267][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2640.513269][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2640.513271][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2640.513273][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2640.513275][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2640.513281][ C2] [ 2640.532320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2640.532563][ C2] rcu: 2-....: (415690 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=103371 [ 2640.533059][ C2] rcu: (t=416015 jiffies g=1286133 q=8351 ncpus=4) [ 2640.533290][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2640.533296][ C2] Tainted: [L]=SOFTLOCKUP [ 2640.533298][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2640.533300][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2640.533310][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2640.533313][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2640.533317][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2640.533319][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2640.533321][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2640.533323][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2640.533325][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2640.533326][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2640.533329][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2640.533333][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2640.533334][ C2] PKRU: 55555554 [ 2640.533335][ C2] Call Trace: [ 2640.533337][ C2] [ 2640.533339][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2640.533347][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2640.533351][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2640.533354][ C2] ? lock_acquire+0x10c/0x170 [ 2640.533358][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2640.533366][ C2] mptcp_try_fallback+0x14b/0x360 [ 2640.533369][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2640.533376][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2640.533378][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2640.533381][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2640.533386][ C2] __mptcp_retrans+0x42a/0x960 [ 2640.533392][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2640.533397][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2640.533405][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2640.533412][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2640.533415][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2640.533418][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2640.533420][ C2] ? lock_acquire+0x10c/0x170 [ 2640.533423][ C2] ? release_sock+0x1f/0x1d0 [ 2640.533430][ C2] release_sock+0x17f/0x1d0 [ 2640.533433][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2640.533441][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2640.533445][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2640.533449][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2640.533455][ C2] ? find_held_lock+0x2b/0x80 [ 2640.533459][ C2] sock_write_iter+0x3c1/0x520 [ 2640.533464][ C2] ? __up_write+0x1ad/0x530 [ 2640.533469][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2640.533475][ C2] ? ksys_write+0xf7/0x1d0 [ 2640.533482][ C2] vfs_write+0xc0c/0x1210 [ 2640.533485][ C2] ? ksys_write+0x137/0x1d0 [ 2640.533488][ C2] ? __lock_release+0x5d/0x170 [ 2640.533491][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2640.533495][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2640.533502][ C2] ksys_write+0x183/0x1d0 [ 2640.533505][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2640.533508][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2640.533515][ C2] do_syscall_64+0xc1/0x380 [ 2640.533519][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2640.533522][ C2] RIP: 0033:0x7f471c970337 [ 2640.533526][ 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 [ 2640.533529][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2640.533532][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2640.533534][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2640.533536][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2640.533538][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2640.533540][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2640.533546][ C2] [ 2668.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 414s! [mptcp_connect:16956] [ 2668.512949][ 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 [ 2668.512967][ C2] irq event stamp: 64230 [ 2668.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2668.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2668.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2668.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2668.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2668.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 2668.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2668.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2668.513020][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2668.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2668.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2668.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2668.513031][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2668.513034][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2668.513035][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2668.513037][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2668.513040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2668.513044][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2668.513046][ C2] PKRU: 55555554 [ 2668.513047][ C2] Call Trace: [ 2668.513051][ C2] [ 2668.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2668.513063][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2668.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2668.513072][ C2] ? lock_acquire+0x10c/0x170 [ 2668.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2668.513082][ C2] mptcp_try_fallback+0x14b/0x360 [ 2668.513086][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2668.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2668.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2668.513099][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2668.513103][ C2] __mptcp_retrans+0x42a/0x960 [ 2668.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2668.513115][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2668.513124][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2668.513132][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2668.513134][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2668.513137][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2668.513140][ C2] ? lock_acquire+0x10c/0x170 [ 2668.513143][ C2] ? release_sock+0x1f/0x1d0 [ 2668.513150][ C2] release_sock+0x17f/0x1d0 [ 2668.513154][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2668.513162][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2668.513166][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2668.513170][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2668.513177][ C2] ? find_held_lock+0x2b/0x80 [ 2668.513181][ C2] sock_write_iter+0x3c1/0x520 [ 2668.513188][ C2] ? __up_write+0x1ad/0x530 [ 2668.513193][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2668.513200][ C2] ? ksys_write+0xf7/0x1d0 [ 2668.513209][ C2] vfs_write+0xc0c/0x1210 [ 2668.513212][ C2] ? ksys_write+0x137/0x1d0 [ 2668.513215][ C2] ? __lock_release+0x5d/0x170 [ 2668.513219][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2668.513222][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2668.513230][ C2] ksys_write+0x183/0x1d0 [ 2668.513233][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2668.513236][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2668.513244][ C2] do_syscall_64+0xc1/0x380 [ 2668.513248][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2668.513253][ C2] RIP: 0033:0x7f471c970337 [ 2668.513259][ 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 [ 2668.513261][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2668.513265][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2668.513267][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2668.513269][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2668.513271][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2668.513273][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2668.513279][ C2] [ 2684.317504][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 429765 jiffies s: 68525 root: 0x4/. [ 2684.318090][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2684.318285][ T17] Sending NMI from CPU 0 to CPUs 2: [ 2684.318593][ C2] NMI backtrace for cpu 2 [ 2684.318606][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2684.318613][ C2] Tainted: [L]=SOFTLOCKUP [ 2684.318614][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2684.318616][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2684.318630][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2684.318633][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2684.318638][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2684.318640][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2684.318642][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2684.318644][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2684.318646][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2684.318648][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2684.318650][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2684.318654][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2684.318655][ C2] PKRU: 55555554 [ 2684.318657][ C2] Call Trace: [ 2684.318659][ C2] [ 2684.318663][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2684.318671][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2684.318677][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2684.318680][ C2] ? lock_acquire+0x10c/0x170 [ 2684.318686][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2684.318694][ C2] mptcp_try_fallback+0x14b/0x360 [ 2684.318698][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2684.318704][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2684.318707][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2684.318710][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2684.318715][ C2] __mptcp_retrans+0x42a/0x960 [ 2684.318721][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2684.318726][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2684.318735][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2684.318742][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2684.318745][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2684.318748][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2684.318750][ C2] ? lock_acquire+0x10c/0x170 [ 2684.318753][ C2] ? release_sock+0x1f/0x1d0 [ 2684.318760][ C2] release_sock+0x17f/0x1d0 [ 2684.318764][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2684.318771][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2684.318775][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2684.318779][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2684.318785][ C2] ? find_held_lock+0x2b/0x80 [ 2684.318789][ C2] sock_write_iter+0x3c1/0x520 [ 2684.318796][ C2] ? __up_write+0x1ad/0x530 [ 2684.318801][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2684.318808][ C2] ? ksys_write+0xf7/0x1d0 [ 2684.318816][ C2] vfs_write+0xc0c/0x1210 [ 2684.318820][ C2] ? ksys_write+0x137/0x1d0 [ 2684.318822][ C2] ? __lock_release+0x5d/0x170 [ 2684.318826][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2684.318830][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2684.318837][ C2] ksys_write+0x183/0x1d0 [ 2684.318840][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2684.318842][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2684.318850][ C2] do_syscall_64+0xc1/0x380 [ 2684.318854][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2684.318859][ C2] RIP: 0033:0x7f471c970337 [ 2684.318865][ 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 [ 2684.318867][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2684.318871][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2684.318873][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2684.318874][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2684.318876][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2684.318878][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2684.318884][ C2] [ 2704.797412][ T44] INFO: task mptcp_connect:16951 blocked for more than 368 seconds. [ 2704.797904][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 2704.798266][ T44] Blocked by coredump. [ 2704.798729][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2704.799151][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 2704.799899][ T44] Call Trace: [ 2704.800087][ T44] [ 2704.800217][ T44] __schedule+0x862/0x1b00 [ 2704.800486][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 2704.800749][ T44] ? __pfx___schedule+0x10/0x10 [ 2704.801143][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2704.801407][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2704.801664][ T44] ? rcu_is_watching+0x12/0xc0 [ 2704.801918][ T44] ? rcu_is_watching+0x12/0xc0 [ 2704.802333][ T44] ? schedule+0x1ee/0x270 [ 2704.802526][ T44] ? rcu_is_watching+0x12/0xc0 [ 2704.802785][ T44] schedule+0xe2/0x270 [ 2704.802978][ T44] synchronize_rcu_expedited+0x379/0x450 [ 2704.803236][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 2704.803558][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 2704.803872][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2704.804120][ T44] ? rcu_is_watching+0x12/0xc0 [ 2704.804424][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 2704.804674][ T44] ? __up_write+0x1ad/0x530 [ 2704.804927][ T44] ? trace_lock_release+0x2a/0xd0 [ 2704.805182][ T44] namespace_unlock+0x440/0x7f0 [ 2704.805589][ T44] ? umount_tree+0x53d/0x1260 [ 2704.805843][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 2704.806093][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2704.806353][ T44] ? __pfx_umount_tree+0x10/0x10 [ 2704.806743][ T44] ? put_mnt_ns+0xc8/0xf0 [ 2704.806930][ T44] ? rcu_is_watching+0x12/0xc0 [ 2704.807179][ T44] put_mnt_ns+0xcd/0xf0 [ 2704.807386][ T44] free_nsproxy+0x39/0x330 [ 2704.807636][ T44] do_exit+0x5a2/0xea0 [ 2704.807972][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2704.808234][ T44] ? __pfx_do_exit+0x10/0x10 [ 2704.808492][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2704.808740][ T44] ? rcu_is_watching+0x12/0xc0 [ 2704.809141][ T44] do_group_exit+0xb8/0x260 [ 2704.809425][ T44] __x64_sys_exit_group+0x3e/0x50 [ 2704.809596][ T44] x64_sys_call+0xf76/0x18a0 [ 2704.809767][ T44] do_syscall_64+0xc1/0x380 [ 2704.810007][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2704.810216][ T44] RIP: 0033:0x7f1e66bbcadd [ 2704.810392][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 2704.810723][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 2704.810970][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 2704.811217][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 2704.811557][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 2704.811797][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 2704.812047][ T44] [ 2704.812270][ T44] INFO: lockdep is turned off. [ 2708.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 451s! [mptcp_connect:16956] [ 2708.512949][ 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 [ 2708.512968][ C2] irq event stamp: 64230 [ 2708.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2708.512984][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2708.512989][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2708.512997][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2708.513006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2708.513012][ C2] Tainted: [L]=SOFTLOCKUP [ 2708.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2708.513016][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 2708.513024][ 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 [ 2708.513027][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000246 [ 2708.513031][ C2] RAX: ffffed100170bd66 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 2708.513033][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2708.513035][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 2708.513037][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2708.513039][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2708.513041][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2708.513043][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2708.513047][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2708.513049][ C2] PKRU: 55555554 [ 2708.513050][ C2] Call Trace: [ 2708.513054][ C2] [ 2708.513058][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2708.513065][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2708.513072][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2708.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2708.513081][ C2] ? lock_acquire+0x10c/0x170 [ 2708.513085][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2708.513090][ C2] mptcp_try_fallback+0x14b/0x360 [ 2708.513094][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2708.513101][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2708.513104][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2708.513106][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2708.513111][ C2] __mptcp_retrans+0x42a/0x960 [ 2708.513118][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2708.513123][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2708.513132][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2708.513140][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2708.513142][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2708.513146][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2708.513148][ C2] ? lock_acquire+0x10c/0x170 [ 2708.513151][ C2] ? release_sock+0x1f/0x1d0 [ 2708.513159][ C2] release_sock+0x17f/0x1d0 [ 2708.513163][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2708.513170][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2708.513174][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2708.513178][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2708.513184][ C2] ? find_held_lock+0x2b/0x80 [ 2708.513188][ C2] sock_write_iter+0x3c1/0x520 [ 2708.513195][ C2] ? __up_write+0x1ad/0x530 [ 2708.513200][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2708.513207][ C2] ? ksys_write+0xf7/0x1d0 [ 2708.513214][ C2] vfs_write+0xc0c/0x1210 [ 2708.513218][ C2] ? ksys_write+0x137/0x1d0 [ 2708.513220][ C2] ? __lock_release+0x5d/0x170 [ 2708.513224][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2708.513228][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2708.513235][ C2] ksys_write+0x183/0x1d0 [ 2708.513239][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2708.513242][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2708.513250][ C2] do_syscall_64+0xc1/0x380 [ 2708.513254][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2708.513259][ C2] RIP: 0033:0x7f471c970337 [ 2708.513265][ 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 [ 2708.513267][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2708.513271][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2708.513273][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2708.513275][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2708.513277][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2708.513279][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2708.513285][ C2] [ 2718.535322][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2718.535709][ C2] rcu: 2-....: (493630 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=122673 [ 2718.536085][ C2] rcu: (t=494018 jiffies g=1286133 q=9968 ncpus=4) [ 2718.536475][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2718.536481][ C2] Tainted: [L]=SOFTLOCKUP [ 2718.536483][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2718.536485][ C2] RIP: 0010:kasan_check_range+0x74/0x1c0 [ 2718.536497][ 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 [ 2718.536500][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000286 [ 2718.536505][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2718.536507][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2718.536509][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: 1ffff1100170bd66 [ 2718.536510][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2718.536512][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2718.536514][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2718.536516][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2718.536521][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2718.536523][ C2] PKRU: 55555554 [ 2718.536524][ C2] Call Trace: [ 2718.536525][ C2] [ 2718.536528][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2718.536538][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2718.536545][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2718.536550][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2718.536553][ C2] ? lock_acquire+0x10c/0x170 [ 2718.536557][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2718.536566][ C2] mptcp_try_fallback+0x14b/0x360 [ 2718.536569][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2718.536576][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2718.536578][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2718.536581][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2718.536586][ C2] __mptcp_retrans+0x42a/0x960 [ 2718.536592][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2718.536597][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2718.536606][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2718.536614][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2718.536616][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2718.536619][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2718.536622][ C2] ? lock_acquire+0x10c/0x170 [ 2718.536625][ C2] ? release_sock+0x1f/0x1d0 [ 2718.536632][ C2] release_sock+0x17f/0x1d0 [ 2718.536635][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2718.536642][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2718.536646][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2718.536650][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2718.536657][ C2] ? find_held_lock+0x2b/0x80 [ 2718.536661][ C2] sock_write_iter+0x3c1/0x520 [ 2718.536667][ C2] ? __up_write+0x1ad/0x530 [ 2718.536672][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2718.536678][ C2] ? ksys_write+0xf7/0x1d0 [ 2718.536685][ C2] vfs_write+0xc0c/0x1210 [ 2718.536688][ C2] ? ksys_write+0x137/0x1d0 [ 2718.536691][ C2] ? __lock_release+0x5d/0x170 [ 2718.536695][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2718.536698][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2718.536706][ C2] ksys_write+0x183/0x1d0 [ 2718.536709][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2718.536712][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2718.536720][ C2] do_syscall_64+0xc1/0x380 [ 2718.536724][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2718.536728][ C2] RIP: 0033:0x7f471c970337 [ 2718.536733][ 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 [ 2718.536735][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2718.536739][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2718.536741][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2718.536743][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2718.536744][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2718.536746][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2718.536752][ C2] [ 2744.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 485s! [mptcp_connect:16956] [ 2744.512948][ 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 [ 2744.512968][ C2] irq event stamp: 64230 [ 2744.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2744.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2744.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2744.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2744.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2744.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 2744.513011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2744.513014][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2744.513020][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2744.513023][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2744.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2744.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2744.513031][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2744.513033][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2744.513035][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2744.513037][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2744.513040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2744.513043][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2744.513046][ C2] PKRU: 55555554 [ 2744.513047][ C2] Call Trace: [ 2744.513051][ C2] [ 2744.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2744.513063][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2744.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2744.513073][ C2] ? lock_acquire+0x10c/0x170 [ 2744.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2744.513082][ C2] mptcp_try_fallback+0x14b/0x360 [ 2744.513086][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2744.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2744.513096][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2744.513099][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2744.513104][ C2] __mptcp_retrans+0x42a/0x960 [ 2744.513110][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2744.513115][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2744.513124][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2744.513132][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2744.513135][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2744.513138][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2744.513141][ C2] ? lock_acquire+0x10c/0x170 [ 2744.513144][ C2] ? release_sock+0x1f/0x1d0 [ 2744.513151][ C2] release_sock+0x17f/0x1d0 [ 2744.513154][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2744.513162][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2744.513166][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2744.513170][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2744.513176][ C2] ? find_held_lock+0x2b/0x80 [ 2744.513180][ C2] sock_write_iter+0x3c1/0x520 [ 2744.513186][ C2] ? __up_write+0x1ad/0x530 [ 2744.513192][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2744.513199][ C2] ? ksys_write+0xf7/0x1d0 [ 2744.513206][ C2] vfs_write+0xc0c/0x1210 [ 2744.513211][ C2] ? ksys_write+0x137/0x1d0 [ 2744.513213][ C2] ? __lock_release+0x5d/0x170 [ 2744.513217][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2744.513221][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2744.513228][ C2] ksys_write+0x183/0x1d0 [ 2744.513232][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2744.513234][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2744.513242][ C2] do_syscall_64+0xc1/0x380 [ 2744.513247][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2744.513251][ C2] RIP: 0033:0x7f471c970337 [ 2744.513257][ 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 [ 2744.513260][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2744.513263][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2744.513265][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2744.513267][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2744.513269][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2744.513271][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2744.513277][ C2] [ 2772.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 511s! [mptcp_connect:16956] [ 2772.512947][ 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 [ 2772.512966][ C2] irq event stamp: 64230 [ 2772.512967][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2772.512980][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2772.512985][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2772.512992][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2772.513003][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2772.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 2772.513011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2772.513014][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2772.513019][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2772.513022][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2772.513026][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2772.513028][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2772.513030][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2772.513032][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2772.513034][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2772.513036][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2772.513039][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2772.513042][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2772.513045][ C2] PKRU: 55555554 [ 2772.513046][ C2] Call Trace: [ 2772.513050][ C2] [ 2772.513054][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2772.513062][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2772.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2772.513071][ C2] ? lock_acquire+0x10c/0x170 [ 2772.513075][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2772.513080][ C2] mptcp_try_fallback+0x14b/0x360 [ 2772.513085][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2772.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2772.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2772.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2772.513103][ C2] __mptcp_retrans+0x42a/0x960 [ 2772.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2772.513114][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2772.513122][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2772.513130][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2772.513133][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2772.513136][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2772.513139][ C2] ? lock_acquire+0x10c/0x170 [ 2772.513142][ C2] ? release_sock+0x1f/0x1d0 [ 2772.513149][ C2] release_sock+0x17f/0x1d0 [ 2772.513152][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2772.513161][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2772.513164][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2772.513168][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2772.513175][ C2] ? find_held_lock+0x2b/0x80 [ 2772.513179][ C2] sock_write_iter+0x3c1/0x520 [ 2772.513185][ C2] ? __up_write+0x1ad/0x530 [ 2772.513191][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2772.513198][ C2] ? ksys_write+0xf7/0x1d0 [ 2772.513206][ C2] vfs_write+0xc0c/0x1210 [ 2772.513210][ C2] ? ksys_write+0x137/0x1d0 [ 2772.513213][ C2] ? __lock_release+0x5d/0x170 [ 2772.513217][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2772.513221][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2772.513228][ C2] ksys_write+0x183/0x1d0 [ 2772.513231][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2772.513234][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2772.513242][ C2] do_syscall_64+0xc1/0x380 [ 2772.513247][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2772.513251][ C2] RIP: 0033:0x7f471c970337 [ 2772.513257][ 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 [ 2772.513259][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2772.513262][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2772.513264][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2772.513266][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2772.513268][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2772.513270][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2772.513276][ C2] [ 2782.622336][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 528070 jiffies s: 68525 root: 0x4/. [ 2782.622786][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2782.623056][ T17] Sending NMI from CPU 0 to CPUs 2: [ 2782.623241][ C2] NMI backtrace for cpu 2 [ 2782.623256][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2782.623263][ C2] Tainted: [L]=SOFTLOCKUP [ 2782.623264][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2782.623267][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2782.623280][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2782.623282][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2782.623288][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2782.623290][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2782.623292][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2782.623294][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2782.623296][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2782.623298][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2782.623300][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2782.623304][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2782.623306][ C2] PKRU: 55555554 [ 2782.623307][ C2] Call Trace: [ 2782.623311][ C2] [ 2782.623316][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2782.623324][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2782.623330][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2782.623333][ C2] ? lock_acquire+0x10c/0x170 [ 2782.623337][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2782.623346][ C2] mptcp_try_fallback+0x14b/0x360 [ 2782.623350][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2782.623356][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2782.623359][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2782.623361][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2782.623367][ C2] __mptcp_retrans+0x42a/0x960 [ 2782.623373][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2782.623378][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2782.623387][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2782.623395][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2782.623397][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2782.623400][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2782.623403][ C2] ? lock_acquire+0x10c/0x170 [ 2782.623406][ C2] ? release_sock+0x1f/0x1d0 [ 2782.623413][ C2] release_sock+0x17f/0x1d0 [ 2782.623416][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2782.623424][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2782.623428][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2782.623432][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2782.623439][ C2] ? find_held_lock+0x2b/0x80 [ 2782.623443][ C2] sock_write_iter+0x3c1/0x520 [ 2782.623450][ C2] ? __up_write+0x1ad/0x530 [ 2782.623455][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2782.623462][ C2] ? ksys_write+0xf7/0x1d0 [ 2782.623470][ C2] vfs_write+0xc0c/0x1210 [ 2782.623474][ C2] ? ksys_write+0x137/0x1d0 [ 2782.623476][ C2] ? __lock_release+0x5d/0x170 [ 2782.623481][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2782.623485][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2782.623492][ C2] ksys_write+0x183/0x1d0 [ 2782.623495][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2782.623498][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2782.623506][ C2] do_syscall_64+0xc1/0x380 [ 2782.623510][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2782.623514][ C2] RIP: 0033:0x7f471c970337 [ 2782.623521][ 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 [ 2782.623523][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2782.623526][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2782.623528][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2782.623530][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2782.623532][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2782.623534][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2782.623539][ C2] [ 2796.538323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2796.538646][ C2] rcu: 2-....: (571569 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=141859 [ 2796.539140][ C2] rcu: (t=572021 jiffies g=1286133 q=11367 ncpus=4) [ 2796.539401][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2796.539407][ C2] Tainted: [L]=SOFTLOCKUP [ 2796.539409][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2796.539411][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2796.539423][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2796.539427][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2796.539431][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2796.539433][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2796.539435][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2796.539437][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2796.539439][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2796.539441][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2796.539443][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2796.539447][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2796.539449][ C2] PKRU: 55555554 [ 2796.539450][ C2] Call Trace: [ 2796.539452][ C2] [ 2796.539454][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2796.539462][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2796.539468][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2796.539471][ C2] ? lock_acquire+0x10c/0x170 [ 2796.539476][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2796.539484][ C2] mptcp_try_fallback+0x14b/0x360 [ 2796.539488][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2796.539494][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2796.539497][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2796.539499][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2796.539504][ C2] __mptcp_retrans+0x42a/0x960 [ 2796.539510][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2796.539515][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2796.539524][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2796.539532][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2796.539535][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2796.539538][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2796.539541][ C2] ? lock_acquire+0x10c/0x170 [ 2796.539543][ C2] ? release_sock+0x1f/0x1d0 [ 2796.539550][ C2] release_sock+0x17f/0x1d0 [ 2796.539554][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2796.539561][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2796.539565][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2796.539569][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2796.539575][ C2] ? find_held_lock+0x2b/0x80 [ 2796.539580][ C2] sock_write_iter+0x3c1/0x520 [ 2796.539586][ C2] ? __up_write+0x1ad/0x530 [ 2796.539590][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2796.539597][ C2] ? ksys_write+0xf7/0x1d0 [ 2796.539605][ C2] vfs_write+0xc0c/0x1210 [ 2796.539608][ C2] ? ksys_write+0x137/0x1d0 [ 2796.539610][ C2] ? __lock_release+0x5d/0x170 [ 2796.539615][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2796.539618][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2796.539626][ C2] ksys_write+0x183/0x1d0 [ 2796.539629][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2796.539632][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2796.539640][ C2] do_syscall_64+0xc1/0x380 [ 2796.539644][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2796.539648][ C2] RIP: 0033:0x7f471c970337 [ 2796.539654][ 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 [ 2796.539656][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2796.539660][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2796.539661][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2796.539663][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2796.539665][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2796.539667][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2796.539673][ C2] [ 2824.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 559s! [mptcp_connect:16956] [ 2824.512948][ 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 [ 2824.512967][ C2] irq event stamp: 64230 [ 2824.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2824.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2824.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2824.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2824.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2824.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 2824.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2824.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 2824.513020][ 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 [ 2824.513023][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2824.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2824.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2824.513031][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2824.513033][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2824.513035][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2824.513037][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2824.513040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2824.513044][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2824.513046][ C2] PKRU: 55555554 [ 2824.513047][ C2] Call Trace: [ 2824.513052][ C2] [ 2824.513056][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2824.513064][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2824.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2824.513073][ C2] ? lock_acquire+0x10c/0x170 [ 2824.513078][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2824.513083][ C2] mptcp_try_fallback+0x14b/0x360 [ 2824.513087][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2824.513094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2824.513097][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2824.513100][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2824.513105][ C2] __mptcp_retrans+0x42a/0x960 [ 2824.513110][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2824.513116][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2824.513125][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2824.513133][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2824.513136][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2824.513139][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2824.513142][ C2] ? lock_acquire+0x10c/0x170 [ 2824.513144][ C2] ? release_sock+0x1f/0x1d0 [ 2824.513152][ C2] release_sock+0x17f/0x1d0 [ 2824.513156][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2824.513163][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2824.513167][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2824.513170][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2824.513177][ C2] ? find_held_lock+0x2b/0x80 [ 2824.513181][ C2] sock_write_iter+0x3c1/0x520 [ 2824.513187][ C2] ? __up_write+0x1ad/0x530 [ 2824.513192][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2824.513199][ C2] ? ksys_write+0xf7/0x1d0 [ 2824.513207][ C2] vfs_write+0xc0c/0x1210 [ 2824.513211][ C2] ? ksys_write+0x137/0x1d0 [ 2824.513213][ C2] ? __lock_release+0x5d/0x170 [ 2824.513218][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2824.513221][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2824.513229][ C2] ksys_write+0x183/0x1d0 [ 2824.513232][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2824.513235][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2824.513243][ C2] do_syscall_64+0xc1/0x380 [ 2824.513247][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2824.513252][ C2] RIP: 0033:0x7f471c970337 [ 2824.513257][ 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 [ 2824.513260][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2824.513263][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2824.513265][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2824.513267][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2824.513269][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2824.513271][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2824.513277][ C2] [ 2827.678372][ T44] INFO: task mptcp_connect:16951 blocked for more than 491 seconds. [ 2827.678761][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 2827.679072][ T44] Blocked by coredump. [ 2827.679221][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2827.679491][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 2827.679943][ T44] Call Trace: [ 2827.680070][ T44] [ 2827.680154][ T44] __schedule+0x862/0x1b00 [ 2827.680422][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 2827.680608][ T44] ? __pfx___schedule+0x10/0x10 [ 2827.680772][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2827.680936][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2827.681180][ T44] ? rcu_is_watching+0x12/0xc0 [ 2827.681377][ T44] ? rcu_is_watching+0x12/0xc0 [ 2827.681537][ T44] ? schedule+0x1ee/0x270 [ 2827.681657][ T44] ? rcu_is_watching+0x12/0xc0 [ 2827.681817][ T44] schedule+0xe2/0x270 [ 2827.682023][ T44] synchronize_rcu_expedited+0x379/0x450 [ 2827.682191][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 2827.682397][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 2827.682695][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2827.682854][ T44] ? rcu_is_watching+0x12/0xc0 [ 2827.683011][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 2827.683168][ T44] ? __up_write+0x1ad/0x530 [ 2827.683337][ T44] ? trace_lock_release+0x2a/0xd0 [ 2827.683498][ T44] namespace_unlock+0x440/0x7f0 [ 2827.683657][ T44] ? umount_tree+0x53d/0x1260 [ 2827.683821][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 2827.684058][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2827.684216][ T44] ? __pfx_umount_tree+0x10/0x10 [ 2827.684378][ T44] ? put_mnt_ns+0xc8/0xf0 [ 2827.684504][ T44] ? rcu_is_watching+0x12/0xc0 [ 2827.684663][ T44] put_mnt_ns+0xcd/0xf0 [ 2827.684863][ T44] free_nsproxy+0x39/0x330 [ 2827.685024][ T44] do_exit+0x5a2/0xea0 [ 2827.685155][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2827.685312][ T44] ? __pfx_do_exit+0x10/0x10 [ 2827.685559][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2827.685736][ T44] ? rcu_is_watching+0x12/0xc0 [ 2827.685932][ T44] do_group_exit+0xb8/0x260 [ 2827.686106][ T44] __x64_sys_exit_group+0x3e/0x50 [ 2827.686386][ T44] x64_sys_call+0xf76/0x18a0 [ 2827.686549][ T44] do_syscall_64+0xc1/0x380 [ 2827.686715][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2827.686916][ T44] RIP: 0033:0x7f1e66bbcadd [ 2827.687162][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 2827.687409][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 2827.687648][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 2827.687976][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 2827.688213][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 2827.688535][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 2827.688778][ T44] [ 2827.688899][ T44] INFO: lockdep is turned off. [ 2852.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 585s! [mptcp_connect:16956] [ 2852.512948][ 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 [ 2852.512968][ C2] irq event stamp: 64230 [ 2852.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2852.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2852.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2852.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2852.513005][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2852.513012][ C2] Tainted: [L]=SOFTLOCKUP [ 2852.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2852.513016][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2852.513021][ 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 [ 2852.513025][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2852.513028][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2852.513030][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2852.513032][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2852.513034][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2852.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2852.513038][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2852.513040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2852.513044][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2852.513046][ C2] PKRU: 55555554 [ 2852.513047][ C2] Call Trace: [ 2852.513052][ C2] [ 2852.513056][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2852.513063][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2852.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2852.513073][ C2] ? lock_acquire+0x10c/0x170 [ 2852.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2852.513082][ C2] mptcp_try_fallback+0x14b/0x360 [ 2852.513087][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2852.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2852.513096][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2852.513099][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2852.513104][ C2] __mptcp_retrans+0x42a/0x960 [ 2852.513110][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2852.513115][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2852.513124][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2852.513132][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2852.513135][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2852.513138][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2852.513140][ C2] ? lock_acquire+0x10c/0x170 [ 2852.513143][ C2] ? release_sock+0x1f/0x1d0 [ 2852.513150][ C2] release_sock+0x17f/0x1d0 [ 2852.513154][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2852.513162][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2852.513165][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2852.513169][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2852.513176][ C2] ? find_held_lock+0x2b/0x80 [ 2852.513181][ C2] sock_write_iter+0x3c1/0x520 [ 2852.513187][ C2] ? __up_write+0x1ad/0x530 [ 2852.513193][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2852.513199][ C2] ? ksys_write+0xf7/0x1d0 [ 2852.513207][ C2] vfs_write+0xc0c/0x1210 [ 2852.513211][ C2] ? ksys_write+0x137/0x1d0 [ 2852.513214][ C2] ? __lock_release+0x5d/0x170 [ 2852.513217][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2852.513221][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2852.513228][ C2] ksys_write+0x183/0x1d0 [ 2852.513232][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2852.513234][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2852.513242][ C2] do_syscall_64+0xc1/0x380 [ 2852.513247][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2852.513252][ C2] RIP: 0033:0x7f471c970337 [ 2852.513257][ 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 [ 2852.513260][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2852.513263][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2852.513265][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2852.513267][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2852.513269][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2852.513271][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2852.513277][ C2] [ 2874.541323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2874.541729][ C2] rcu: 2-....: (649523 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=160910 [ 2874.542118][ C2] rcu: (t=650024 jiffies g=1286133 q=12647 ncpus=4) [ 2874.542476][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2874.542483][ C2] Tainted: [L]=SOFTLOCKUP [ 2874.542484][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2874.542487][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2874.542500][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2874.542503][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2874.542507][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2874.542509][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2874.542512][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2874.542513][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2874.542515][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2874.542517][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2874.542520][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2874.542523][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2874.542525][ C2] PKRU: 55555554 [ 2874.542527][ C2] Call Trace: [ 2874.542528][ C2] [ 2874.542530][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2874.542538][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2874.542545][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2874.542548][ C2] ? lock_acquire+0x10c/0x170 [ 2874.542553][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2874.542561][ C2] mptcp_try_fallback+0x14b/0x360 [ 2874.542565][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2874.542571][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2874.542574][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2874.542577][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2874.542581][ C2] __mptcp_retrans+0x42a/0x960 [ 2874.542587][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2874.542592][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2874.542600][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2874.542608][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2874.542611][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2874.542614][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2874.542616][ C2] ? lock_acquire+0x10c/0x170 [ 2874.542619][ C2] ? release_sock+0x1f/0x1d0 [ 2874.542626][ C2] release_sock+0x17f/0x1d0 [ 2874.542630][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2874.542637][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2874.542641][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2874.542645][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2874.542651][ C2] ? find_held_lock+0x2b/0x80 [ 2874.542654][ C2] sock_write_iter+0x3c1/0x520 [ 2874.542659][ C2] ? __up_write+0x1ad/0x530 [ 2874.542664][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2874.542670][ C2] ? ksys_write+0xf7/0x1d0 [ 2874.542678][ C2] vfs_write+0xc0c/0x1210 [ 2874.542681][ C2] ? ksys_write+0x137/0x1d0 [ 2874.542684][ C2] ? __lock_release+0x5d/0x170 [ 2874.542688][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2874.542691][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2874.542698][ C2] ksys_write+0x183/0x1d0 [ 2874.542702][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2874.542704][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2874.542712][ C2] do_syscall_64+0xc1/0x380 [ 2874.542716][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2874.542720][ C2] RIP: 0033:0x7f471c970337 [ 2874.542726][ 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 [ 2874.542728][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2874.542731][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2874.542734][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2874.542736][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2874.542737][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2874.542739][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2874.542745][ C2] [ 2880.925348][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 626373 jiffies s: 68525 root: 0x4/. [ 2880.925959][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2880.926152][ T17] Sending NMI from CPU 0 to CPUs 2: [ 2880.926341][ C2] NMI backtrace for cpu 2 [ 2880.926356][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2880.926363][ C2] Tainted: [L]=SOFTLOCKUP [ 2880.926364][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2880.926367][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 2880.926379][ C2] Code: c7 c7 40 05 87 a3 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 [ 2880.926382][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 2880.926386][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2880.926389][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2880.926391][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2880.926393][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2880.926395][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2880.926396][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2880.926399][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2880.926403][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2880.926405][ C2] PKRU: 55555554 [ 2880.926406][ C2] Call Trace: [ 2880.926409][ C2] [ 2880.926411][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 2880.926423][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2880.926430][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2880.926435][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2880.926437][ C2] ? lock_acquire+0x10c/0x170 [ 2880.926442][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2880.926451][ C2] mptcp_try_fallback+0x14b/0x360 [ 2880.926455][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2880.926462][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2880.926465][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2880.926467][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2880.926473][ C2] __mptcp_retrans+0x42a/0x960 [ 2880.926479][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2880.926484][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2880.926492][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2880.926500][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2880.926502][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2880.926505][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2880.926508][ C2] ? lock_acquire+0x10c/0x170 [ 2880.926511][ C2] ? release_sock+0x1f/0x1d0 [ 2880.926518][ C2] release_sock+0x17f/0x1d0 [ 2880.926522][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2880.926529][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2880.926533][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2880.926537][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2880.926544][ C2] ? find_held_lock+0x2b/0x80 [ 2880.926548][ C2] sock_write_iter+0x3c1/0x520 [ 2880.926554][ C2] ? __up_write+0x1ad/0x530 [ 2880.926560][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2880.926566][ C2] ? ksys_write+0xf7/0x1d0 [ 2880.926573][ C2] vfs_write+0xc0c/0x1210 [ 2880.926576][ C2] ? ksys_write+0x137/0x1d0 [ 2880.926579][ C2] ? __lock_release+0x5d/0x170 [ 2880.926583][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2880.926586][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2880.926593][ C2] ksys_write+0x183/0x1d0 [ 2880.926597][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2880.926599][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2880.926607][ C2] do_syscall_64+0xc1/0x380 [ 2880.926612][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2880.926617][ C2] RIP: 0033:0x7f471c970337 [ 2880.926623][ 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 [ 2880.926625][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2880.926628][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2880.926630][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2880.926632][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2880.926634][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2880.926636][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2880.926642][ C2] [ 2908.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 637s! [mptcp_connect:16956] [ 2908.512947][ 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 [ 2908.512966][ C2] irq event stamp: 64230 [ 2908.512967][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2908.512981][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2908.512985][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2908.512992][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2908.513002][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2908.513008][ C2] Tainted: [L]=SOFTLOCKUP [ 2908.513010][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2908.513012][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2908.513017][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2908.513021][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2908.513024][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2908.513026][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2908.513028][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2908.513030][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2908.513032][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2908.513034][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2908.513037][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2908.513041][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2908.513043][ C2] PKRU: 55555554 [ 2908.513044][ C2] Call Trace: [ 2908.513048][ C2] [ 2908.513053][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2908.513061][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2908.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2908.513069][ C2] ? lock_acquire+0x10c/0x170 [ 2908.513074][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2908.513079][ C2] mptcp_try_fallback+0x14b/0x360 [ 2908.513084][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2908.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2908.513094][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2908.513096][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2908.513101][ C2] __mptcp_retrans+0x42a/0x960 [ 2908.513108][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2908.513113][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2908.513122][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2908.513130][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2908.513132][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2908.513136][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2908.513138][ C2] ? lock_acquire+0x10c/0x170 [ 2908.513141][ C2] ? release_sock+0x1f/0x1d0 [ 2908.513148][ C2] release_sock+0x17f/0x1d0 [ 2908.513152][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2908.513161][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2908.513164][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2908.513168][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2908.513175][ C2] ? find_held_lock+0x2b/0x80 [ 2908.513179][ C2] sock_write_iter+0x3c1/0x520 [ 2908.513186][ C2] ? __up_write+0x1ad/0x530 [ 2908.513191][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2908.513197][ C2] ? ksys_write+0xf7/0x1d0 [ 2908.513205][ C2] vfs_write+0xc0c/0x1210 [ 2908.513209][ C2] ? ksys_write+0x137/0x1d0 [ 2908.513212][ C2] ? __lock_release+0x5d/0x170 [ 2908.513215][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2908.513219][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2908.513227][ C2] ksys_write+0x183/0x1d0 [ 2908.513231][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2908.513233][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2908.513241][ C2] do_syscall_64+0xc1/0x380 [ 2908.513246][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2908.513250][ C2] RIP: 0033:0x7f471c970337 [ 2908.513255][ 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 [ 2908.513258][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2908.513261][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2908.513263][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2908.513265][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2908.513266][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2908.513268][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2908.513274][ C2] [ 2936.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 663s! [mptcp_connect:16956] [ 2936.512948][ 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 [ 2936.512968][ C2] irq event stamp: 64230 [ 2936.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 2936.512984][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 2936.512989][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 2936.512997][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 2936.513006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2936.513012][ C2] Tainted: [L]=SOFTLOCKUP [ 2936.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2936.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2936.513021][ 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 [ 2936.513023][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2936.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2936.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2936.513031][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2936.513032][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2936.513034][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2936.513036][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2936.513039][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2936.513042][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2936.513044][ C2] PKRU: 55555554 [ 2936.513046][ C2] Call Trace: [ 2936.513049][ C2] [ 2936.513053][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2936.513061][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2936.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2936.513071][ C2] ? lock_acquire+0x10c/0x170 [ 2936.513075][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2936.513081][ C2] mptcp_try_fallback+0x14b/0x360 [ 2936.513085][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2936.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2936.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2936.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2936.513103][ C2] __mptcp_retrans+0x42a/0x960 [ 2936.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2936.513114][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2936.513123][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2936.513131][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2936.513133][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2936.513137][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2936.513139][ C2] ? lock_acquire+0x10c/0x170 [ 2936.513142][ C2] ? release_sock+0x1f/0x1d0 [ 2936.513150][ C2] release_sock+0x17f/0x1d0 [ 2936.513153][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2936.513162][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2936.513165][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2936.513169][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2936.513176][ C2] ? find_held_lock+0x2b/0x80 [ 2936.513180][ C2] sock_write_iter+0x3c1/0x520 [ 2936.513187][ C2] ? __up_write+0x1ad/0x530 [ 2936.513193][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2936.513200][ C2] ? ksys_write+0xf7/0x1d0 [ 2936.513208][ C2] vfs_write+0xc0c/0x1210 [ 2936.513212][ C2] ? ksys_write+0x137/0x1d0 [ 2936.513214][ C2] ? __lock_release+0x5d/0x170 [ 2936.513219][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2936.513223][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2936.513230][ C2] ksys_write+0x183/0x1d0 [ 2936.513234][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2936.513236][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2936.513245][ C2] do_syscall_64+0xc1/0x380 [ 2936.513249][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2936.513253][ C2] RIP: 0033:0x7f471c970337 [ 2936.513260][ 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 [ 2936.513262][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2936.513265][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2936.513267][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2936.513269][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2936.513271][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2936.513273][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2936.513279][ C2] [ 2950.557379][ T44] INFO: task mptcp_connect:16951 blocked for more than 614 seconds. [ 2950.557765][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 2950.558004][ T44] Blocked by coredump. [ 2950.558157][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2950.558518][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 2950.558894][ T44] Call Trace: [ 2950.559092][ T44] [ 2950.559175][ T44] __schedule+0x862/0x1b00 [ 2950.559355][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 2950.559518][ T44] ? __pfx___schedule+0x10/0x10 [ 2950.559765][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2950.559931][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2950.560088][ T44] ? rcu_is_watching+0x12/0xc0 [ 2950.560252][ T44] ? rcu_is_watching+0x12/0xc0 [ 2950.560536][ T44] ? schedule+0x1ee/0x270 [ 2950.560657][ T44] ? rcu_is_watching+0x12/0xc0 [ 2950.560815][ T44] schedule+0xe2/0x270 [ 2950.560939][ T44] synchronize_rcu_expedited+0x379/0x450 [ 2950.561103][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 2950.561417][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 2950.561618][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2950.561783][ T44] ? rcu_is_watching+0x12/0xc0 [ 2950.562020][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 2950.562178][ T44] ? __up_write+0x1ad/0x530 [ 2950.562350][ T44] ? trace_lock_release+0x2a/0xd0 [ 2950.562511][ T44] namespace_unlock+0x440/0x7f0 [ 2950.562752][ T44] ? umount_tree+0x53d/0x1260 [ 2950.562911][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 2950.563068][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2950.563232][ T44] ? __pfx_umount_tree+0x10/0x10 [ 2950.563479][ T44] ? put_mnt_ns+0xc8/0xf0 [ 2950.563610][ T44] ? rcu_is_watching+0x12/0xc0 [ 2950.563768][ T44] put_mnt_ns+0xcd/0xf0 [ 2950.563889][ T44] free_nsproxy+0x39/0x330 [ 2950.564053][ T44] do_exit+0x5a2/0xea0 [ 2950.564253][ T44] ? do_raw_spin_lock+0x130/0x270 [ 2950.564418][ T44] ? __pfx_do_exit+0x10/0x10 [ 2950.564582][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2950.564746][ T44] ? rcu_is_watching+0x12/0xc0 [ 2950.564997][ T44] do_group_exit+0xb8/0x260 [ 2950.565155][ T44] __x64_sys_exit_group+0x3e/0x50 [ 2950.565313][ T44] x64_sys_call+0xf76/0x18a0 [ 2950.565483][ T44] do_syscall_64+0xc1/0x380 [ 2950.565720][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2950.565927][ T44] RIP: 0033:0x7f1e66bbcadd [ 2950.566098][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 2950.566370][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 2950.566609][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 2950.566849][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 2950.567190][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 2950.567436][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 2950.567680][ T44] [ 2950.567882][ T44] INFO: lockdep is turned off. [ 2952.544323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2952.544726][ C2] rcu: 2-....: (727462 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=180089 [ 2952.545236][ C2] rcu: (t=728027 jiffies g=1286133 q=14261 ncpus=4) [ 2952.545472][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2952.545479][ C2] Tainted: [L]=SOFTLOCKUP [ 2952.545481][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2952.545483][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 2952.545496][ 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 [ 2952.545500][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2952.545504][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2952.545506][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2952.545508][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2952.545510][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2952.545511][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2952.545514][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2952.545516][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2952.545521][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2952.545523][ C2] PKRU: 55555554 [ 2952.545524][ C2] Call Trace: [ 2952.545526][ C2] [ 2952.545528][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2952.545536][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2952.545542][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2952.545545][ C2] ? lock_acquire+0x10c/0x170 [ 2952.545550][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2952.545558][ C2] mptcp_try_fallback+0x14b/0x360 [ 2952.545562][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2952.545568][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2952.545571][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2952.545573][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2952.545578][ C2] __mptcp_retrans+0x42a/0x960 [ 2952.545584][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2952.545590][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2952.545599][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2952.545606][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2952.545609][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2952.545612][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2952.545615][ C2] ? lock_acquire+0x10c/0x170 [ 2952.545617][ C2] ? release_sock+0x1f/0x1d0 [ 2952.545624][ C2] release_sock+0x17f/0x1d0 [ 2952.545628][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2952.545635][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2952.545639][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2952.545642][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2952.545649][ C2] ? find_held_lock+0x2b/0x80 [ 2952.545653][ C2] sock_write_iter+0x3c1/0x520 [ 2952.545659][ C2] ? __up_write+0x1ad/0x530 [ 2952.545664][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2952.545670][ C2] ? ksys_write+0xf7/0x1d0 [ 2952.545678][ C2] vfs_write+0xc0c/0x1210 [ 2952.545681][ C2] ? ksys_write+0x137/0x1d0 [ 2952.545684][ C2] ? __lock_release+0x5d/0x170 [ 2952.545687][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2952.545691][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2952.545698][ C2] ksys_write+0x183/0x1d0 [ 2952.545702][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2952.545705][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2952.545713][ C2] do_syscall_64+0xc1/0x380 [ 2952.545717][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2952.545721][ C2] RIP: 0033:0x7f471c970337 [ 2952.545727][ 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 [ 2952.545729][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2952.545732][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2952.545734][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2952.545736][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2952.545738][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2952.545740][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2952.545746][ C2] [ 2979.229363][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 724677 jiffies s: 68525 root: 0x4/. [ 2979.229884][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 2979.230172][ T17] Sending NMI from CPU 0 to CPUs 2: [ 2979.230353][ C2] NMI backtrace for cpu 2 [ 2979.230366][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 2979.230373][ C2] Tainted: [L]=SOFTLOCKUP [ 2979.230375][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2979.230377][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 2979.230390][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 2979.230393][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 2979.230397][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 2979.230399][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 2979.230402][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 2979.230404][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 2979.230406][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 2979.230408][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 2979.230410][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2979.230414][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 2979.230416][ C2] PKRU: 55555554 [ 2979.230417][ C2] Call Trace: [ 2979.230420][ C2] [ 2979.230425][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 2979.230432][ C2] do_raw_spin_lock+0x1e8/0x270 [ 2979.230438][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2979.230441][ C2] ? lock_acquire+0x10c/0x170 [ 2979.230446][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 2979.230454][ C2] mptcp_try_fallback+0x14b/0x360 [ 2979.230458][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 2979.230464][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2979.230467][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 2979.230470][ C2] ? __mptcp_retrans+0x34a/0x960 [ 2979.230475][ C2] __mptcp_retrans+0x42a/0x960 [ 2979.230481][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 2979.230486][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 2979.230495][ C2] mptcp_release_cb+0x5eb/0xac0 [ 2979.230503][ C2] ? do_raw_spin_lock+0x130/0x270 [ 2979.230506][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 2979.230509][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2979.230512][ C2] ? lock_acquire+0x10c/0x170 [ 2979.230515][ C2] ? release_sock+0x1f/0x1d0 [ 2979.230521][ C2] release_sock+0x17f/0x1d0 [ 2979.230526][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 2979.230533][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 2979.230537][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 2979.230542][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 2979.230548][ C2] ? find_held_lock+0x2b/0x80 [ 2979.230553][ C2] sock_write_iter+0x3c1/0x520 [ 2979.230559][ C2] ? __up_write+0x1ad/0x530 [ 2979.230564][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 2979.230571][ C2] ? ksys_write+0xf7/0x1d0 [ 2979.230578][ C2] vfs_write+0xc0c/0x1210 [ 2979.230582][ C2] ? ksys_write+0x137/0x1d0 [ 2979.230585][ C2] ? __lock_release+0x5d/0x170 [ 2979.230589][ C2] ? __pfx_vfs_write+0x10/0x10 [ 2979.230593][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 2979.230600][ C2] ksys_write+0x183/0x1d0 [ 2979.230603][ C2] ? __pfx_ksys_write+0x10/0x10 [ 2979.230606][ C2] ? do_user_addr_fault+0x959/0xe00 [ 2979.230614][ C2] do_syscall_64+0xc1/0x380 [ 2979.230618][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 2979.230622][ C2] RIP: 0033:0x7f471c970337 [ 2979.230628][ 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 [ 2979.230631][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2979.230634][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 2979.230636][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 2979.230638][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 2979.230640][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 2979.230642][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 2979.230648][ C2] [ 3004.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 727s! [mptcp_connect:16956] [ 3004.512948][ 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 [ 3004.512967][ C2] irq event stamp: 64230 [ 3004.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3004.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3004.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3004.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3004.513005][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3004.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 3004.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3004.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3004.513021][ 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 [ 3004.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3004.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3004.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3004.513031][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3004.513033][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3004.513035][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3004.513037][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3004.513040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3004.513044][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3004.513046][ C2] PKRU: 55555554 [ 3004.513047][ C2] Call Trace: [ 3004.513050][ C2] [ 3004.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3004.513063][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3004.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3004.513072][ C2] ? lock_acquire+0x10c/0x170 [ 3004.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3004.513082][ C2] mptcp_try_fallback+0x14b/0x360 [ 3004.513086][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3004.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3004.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3004.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3004.513103][ C2] __mptcp_retrans+0x42a/0x960 [ 3004.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3004.513114][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3004.513122][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3004.513130][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3004.513133][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3004.513136][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3004.513138][ C2] ? lock_acquire+0x10c/0x170 [ 3004.513141][ C2] ? release_sock+0x1f/0x1d0 [ 3004.513148][ C2] release_sock+0x17f/0x1d0 [ 3004.513152][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3004.513160][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3004.513164][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3004.513168][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3004.513175][ C2] ? find_held_lock+0x2b/0x80 [ 3004.513179][ C2] sock_write_iter+0x3c1/0x520 [ 3004.513185][ C2] ? __up_write+0x1ad/0x530 [ 3004.513191][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3004.513198][ C2] ? ksys_write+0xf7/0x1d0 [ 3004.513205][ C2] vfs_write+0xc0c/0x1210 [ 3004.513209][ C2] ? ksys_write+0x137/0x1d0 [ 3004.513211][ C2] ? __lock_release+0x5d/0x170 [ 3004.513215][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3004.513219][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3004.513226][ C2] ksys_write+0x183/0x1d0 [ 3004.513230][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3004.513232][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3004.513241][ C2] do_syscall_64+0xc1/0x380 [ 3004.513245][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3004.513250][ C2] RIP: 0033:0x7f471c970337 [ 3004.513256][ 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 [ 3004.513258][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3004.513262][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3004.513264][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3004.513266][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3004.513268][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3004.513270][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3004.513276][ C2] [ 3030.547322][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3030.547717][ C2] rcu: 2-....: (805419 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=199366 [ 3030.548113][ C2] rcu: (t=806030 jiffies g=1286133 q=15281 ncpus=4) [ 3030.548477][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3030.548484][ C2] Tainted: [L]=SOFTLOCKUP [ 3030.548485][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3030.548488][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3030.548500][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3030.548504][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3030.548508][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3030.548510][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3030.548512][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3030.548514][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3030.548516][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3030.548518][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3030.548520][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3030.548524][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3030.548526][ C2] PKRU: 55555554 [ 3030.548527][ C2] Call Trace: [ 3030.548529][ C2] [ 3030.548531][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3030.548539][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3030.548545][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3030.548547][ C2] ? lock_acquire+0x10c/0x170 [ 3030.548552][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3030.548560][ C2] mptcp_try_fallback+0x14b/0x360 [ 3030.548564][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3030.548570][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3030.548573][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3030.548575][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3030.548580][ C2] __mptcp_retrans+0x42a/0x960 [ 3030.548586][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3030.548592][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3030.548601][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3030.548609][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3030.548612][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3030.548615][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3030.548617][ C2] ? lock_acquire+0x10c/0x170 [ 3030.548621][ C2] ? release_sock+0x1f/0x1d0 [ 3030.548628][ C2] release_sock+0x17f/0x1d0 [ 3030.548632][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3030.548639][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3030.548643][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3030.548647][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3030.548653][ C2] ? find_held_lock+0x2b/0x80 [ 3030.548657][ C2] sock_write_iter+0x3c1/0x520 [ 3030.548663][ C2] ? __up_write+0x1ad/0x530 [ 3030.548668][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3030.548675][ C2] ? ksys_write+0xf7/0x1d0 [ 3030.548682][ C2] vfs_write+0xc0c/0x1210 [ 3030.548686][ C2] ? ksys_write+0x137/0x1d0 [ 3030.548688][ C2] ? __lock_release+0x5d/0x170 [ 3030.548691][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3030.548695][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3030.548702][ C2] ksys_write+0x183/0x1d0 [ 3030.548706][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3030.548708][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3030.548716][ C2] do_syscall_64+0xc1/0x380 [ 3030.548721][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3030.548725][ C2] RIP: 0033:0x7f471c970337 [ 3030.548731][ 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 [ 3030.548733][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3030.548736][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3030.548738][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3030.548740][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3030.548742][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3030.548744][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3030.548750][ C2] [ 3056.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 775s! [mptcp_connect:16956] [ 3056.512949][ 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 [ 3056.512968][ C2] irq event stamp: 64230 [ 3056.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3056.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3056.512986][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3056.512993][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3056.513003][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3056.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 3056.513010][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3056.513013][ C2] RIP: 0010:kasan_check_range+0x66/0x1c0 [ 3056.513023][ 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 [ 3056.513026][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000212 [ 3056.513030][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3056.513032][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3056.513034][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3056.513036][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3056.513038][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3056.513040][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3056.513043][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3056.513047][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3056.513049][ C2] PKRU: 55555554 [ 3056.513050][ C2] Call Trace: [ 3056.513054][ C2] [ 3056.513058][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3056.513064][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3056.513071][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3056.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3056.513080][ C2] ? lock_acquire+0x10c/0x170 [ 3056.513084][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3056.513089][ C2] mptcp_try_fallback+0x14b/0x360 [ 3056.513094][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3056.513100][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3056.513103][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3056.513106][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3056.513111][ C2] __mptcp_retrans+0x42a/0x960 [ 3056.513117][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3056.513122][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3056.513131][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3056.513138][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3056.513141][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3056.513144][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3056.513147][ C2] ? lock_acquire+0x10c/0x170 [ 3056.513149][ C2] ? release_sock+0x1f/0x1d0 [ 3056.513156][ C2] release_sock+0x17f/0x1d0 [ 3056.513160][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3056.513168][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3056.513171][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3056.513175][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3056.513182][ C2] ? find_held_lock+0x2b/0x80 [ 3056.513186][ C2] sock_write_iter+0x3c1/0x520 [ 3056.513193][ C2] ? __up_write+0x1ad/0x530 [ 3056.513198][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3056.513205][ C2] ? ksys_write+0xf7/0x1d0 [ 3056.513211][ C2] vfs_write+0xc0c/0x1210 [ 3056.513215][ C2] ? ksys_write+0x137/0x1d0 [ 3056.513218][ C2] ? __lock_release+0x5d/0x170 [ 3056.513222][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3056.513226][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3056.513233][ C2] ksys_write+0x183/0x1d0 [ 3056.513236][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3056.513239][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3056.513247][ C2] do_syscall_64+0xc1/0x380 [ 3056.513252][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3056.513257][ C2] RIP: 0033:0x7f471c970337 [ 3056.513263][ 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 [ 3056.513265][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3056.513269][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3056.513271][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3056.513273][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3056.513275][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3056.513277][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3056.513283][ C2] [ 3073.437380][ T44] INFO: task mptcp_connect:16951 blocked for more than 737 seconds. [ 3073.437792][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 3073.438102][ T44] Blocked by coredump. [ 3073.438260][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3073.438535][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 3073.438994][ T44] Call Trace: [ 3073.439115][ T44] [ 3073.439199][ T44] __schedule+0x862/0x1b00 [ 3073.439479][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 3073.439653][ T44] ? __pfx___schedule+0x10/0x10 [ 3073.439815][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3073.439976][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3073.440219][ T44] ? rcu_is_watching+0x12/0xc0 [ 3073.440421][ T44] ? rcu_is_watching+0x12/0xc0 [ 3073.440581][ T44] ? schedule+0x1ee/0x270 [ 3073.440716][ T44] ? rcu_is_watching+0x12/0xc0 [ 3073.440879][ T44] schedule+0xe2/0x270 [ 3073.441095][ T44] synchronize_rcu_expedited+0x379/0x450 [ 3073.441266][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 3073.441488][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 3073.441782][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3073.441940][ T44] ? rcu_is_watching+0x12/0xc0 [ 3073.442114][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 3073.442273][ T44] ? __up_write+0x1ad/0x530 [ 3073.442539][ T44] ? trace_lock_release+0x2a/0xd0 [ 3073.442701][ T44] namespace_unlock+0x440/0x7f0 [ 3073.442865][ T44] ? umount_tree+0x53d/0x1260 [ 3073.443025][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 3073.443262][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3073.443443][ T44] ? __pfx_umount_tree+0x10/0x10 [ 3073.443601][ T44] ? put_mnt_ns+0xc8/0xf0 [ 3073.443722][ T44] ? rcu_is_watching+0x12/0xc0 [ 3073.443893][ T44] put_mnt_ns+0xcd/0xf0 [ 3073.444092][ T44] free_nsproxy+0x39/0x330 [ 3073.444253][ T44] do_exit+0x5a2/0xea0 [ 3073.444384][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3073.444549][ T44] ? __pfx_do_exit+0x10/0x10 [ 3073.444787][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3073.444946][ T44] ? rcu_is_watching+0x12/0xc0 [ 3073.445114][ T44] do_group_exit+0xb8/0x260 [ 3073.445292][ T44] __x64_sys_exit_group+0x3e/0x50 [ 3073.445558][ T44] x64_sys_call+0xf76/0x18a0 [ 3073.445721][ T44] do_syscall_64+0xc1/0x380 [ 3073.445883][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3073.446080][ T44] RIP: 0033:0x7f1e66bbcadd [ 3073.446349][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 3073.446594][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 3073.446839][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 3073.447162][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 3073.447410][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 3073.447734][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 3073.447983][ T44] [ 3073.448104][ T44] INFO: lockdep is turned off. [ 3077.533339][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 822981 jiffies s: 68525 root: 0x4/. [ 3077.533899][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3077.534123][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3077.534322][ C2] NMI backtrace for cpu 2 [ 3077.534337][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3077.534344][ C2] Tainted: [L]=SOFTLOCKUP [ 3077.534345][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3077.534348][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 3077.534366][ 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 [ 3077.534369][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 3077.534374][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 3077.534376][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 3077.534379][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 3077.534381][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 3077.534383][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 3077.534384][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3077.534387][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3077.534390][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3077.534392][ C2] PKRU: 55555554 [ 3077.534394][ C2] Call Trace: [ 3077.534401][ C2] [ 3077.534402][ C2] ioapic_ack_level+0xcf/0x3d0 [ 3077.534414][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 3077.534426][ C2] __common_interrupt+0xad/0x1d0 [ 3077.534436][ C2] common_interrupt+0xb9/0xe0 [ 3077.534443][ C2] [ 3077.534444][ C2] [ 3077.534446][ C2] asm_common_interrupt+0x26/0x40 [ 3077.534451][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 3077.534458][ 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 [ 3077.534461][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3077.534463][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3077.534465][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3077.534467][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3077.534469][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3077.534470][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3077.534474][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 3077.534480][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3077.534487][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3077.534492][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3077.534495][ C2] ? lock_acquire+0x10c/0x170 [ 3077.534500][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3077.534508][ C2] mptcp_try_fallback+0x14b/0x360 [ 3077.534512][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3077.534518][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3077.534521][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3077.534523][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3077.534528][ C2] __mptcp_retrans+0x42a/0x960 [ 3077.534534][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3077.534539][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3077.534547][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3077.534555][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3077.534558][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3077.534561][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3077.534564][ C2] ? lock_acquire+0x10c/0x170 [ 3077.534566][ C2] ? release_sock+0x1f/0x1d0 [ 3077.534574][ C2] release_sock+0x17f/0x1d0 [ 3077.534577][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3077.534584][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3077.534588][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3077.534592][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3077.534598][ C2] ? find_held_lock+0x2b/0x80 [ 3077.534602][ C2] sock_write_iter+0x3c1/0x520 [ 3077.534609][ C2] ? __up_write+0x1ad/0x530 [ 3077.534614][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3077.534620][ C2] ? ksys_write+0xf7/0x1d0 [ 3077.534628][ C2] vfs_write+0xc0c/0x1210 [ 3077.534632][ C2] ? ksys_write+0x137/0x1d0 [ 3077.534634][ C2] ? __lock_release+0x5d/0x170 [ 3077.534638][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3077.534642][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3077.534649][ C2] ksys_write+0x183/0x1d0 [ 3077.534653][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3077.534655][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3077.534663][ C2] do_syscall_64+0xc1/0x380 [ 3077.534667][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3077.534670][ C2] RIP: 0033:0x7f471c970337 [ 3077.534676][ 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 [ 3077.534679][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3077.534682][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3077.534684][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3077.534686][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3077.534688][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3077.534690][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3077.534696][ C2] [ 3104.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 820s! [mptcp_connect:16956] [ 3104.512949][ 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 [ 3104.512967][ C2] irq event stamp: 64230 [ 3104.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3104.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3104.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3104.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3104.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3104.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 3104.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3104.513014][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3104.513020][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3104.513023][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3104.513026][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3104.513028][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3104.513030][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3104.513032][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3104.513033][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3104.513035][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3104.513038][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3104.513042][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3104.513044][ C2] PKRU: 55555554 [ 3104.513045][ C2] Call Trace: [ 3104.513050][ C2] [ 3104.513054][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3104.513062][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3104.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3104.513071][ C2] ? lock_acquire+0x10c/0x170 [ 3104.513076][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3104.513081][ C2] mptcp_try_fallback+0x14b/0x360 [ 3104.513085][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3104.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3104.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3104.513097][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3104.513102][ C2] __mptcp_retrans+0x42a/0x960 [ 3104.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3104.513114][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3104.513123][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3104.513131][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3104.513134][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3104.513137][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3104.513139][ C2] ? lock_acquire+0x10c/0x170 [ 3104.513143][ C2] ? release_sock+0x1f/0x1d0 [ 3104.513150][ C2] release_sock+0x17f/0x1d0 [ 3104.513154][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3104.513162][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3104.513165][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3104.513169][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3104.513176][ C2] ? find_held_lock+0x2b/0x80 [ 3104.513180][ C2] sock_write_iter+0x3c1/0x520 [ 3104.513187][ C2] ? __up_write+0x1ad/0x530 [ 3104.513192][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3104.513199][ C2] ? ksys_write+0xf7/0x1d0 [ 3104.513207][ C2] vfs_write+0xc0c/0x1210 [ 3104.513211][ C2] ? ksys_write+0x137/0x1d0 [ 3104.513214][ C2] ? __lock_release+0x5d/0x170 [ 3104.513218][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3104.513222][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3104.513229][ C2] ksys_write+0x183/0x1d0 [ 3104.513233][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3104.513235][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3104.513244][ C2] do_syscall_64+0xc1/0x380 [ 3104.513248][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3104.513253][ C2] RIP: 0033:0x7f471c970337 [ 3104.513259][ 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 [ 3104.513262][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3104.513265][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3104.513267][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3104.513268][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3104.513271][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3104.513273][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3104.513278][ C2] [ 3108.550321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3108.550704][ C2] rcu: 2-....: (883353 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=218645 [ 3108.551206][ C2] rcu: (t=884033 jiffies g=1286133 q=16976 ncpus=4) [ 3108.551448][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3108.551455][ C2] Tainted: [L]=SOFTLOCKUP [ 3108.551456][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3108.551459][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3108.551472][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3108.551475][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3108.551479][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3108.551481][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3108.551483][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3108.551485][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3108.551486][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3108.551488][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3108.551491][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3108.551495][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3108.551497][ C2] PKRU: 55555554 [ 3108.551498][ C2] Call Trace: [ 3108.551500][ C2] [ 3108.551502][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3108.551510][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3108.551515][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3108.551518][ C2] ? lock_acquire+0x10c/0x170 [ 3108.551523][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3108.551531][ C2] mptcp_try_fallback+0x14b/0x360 [ 3108.551534][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3108.551541][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3108.551543][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3108.551546][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3108.551551][ C2] __mptcp_retrans+0x42a/0x960 [ 3108.551557][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3108.551562][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3108.551571][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3108.551579][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3108.551581][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3108.551585][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3108.551587][ C2] ? lock_acquire+0x10c/0x170 [ 3108.551590][ C2] ? release_sock+0x1f/0x1d0 [ 3108.551597][ C2] release_sock+0x17f/0x1d0 [ 3108.551600][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3108.551608][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3108.551611][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3108.551615][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3108.551622][ C2] ? find_held_lock+0x2b/0x80 [ 3108.551626][ C2] sock_write_iter+0x3c1/0x520 [ 3108.551632][ C2] ? __up_write+0x1ad/0x530 [ 3108.551637][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3108.551644][ C2] ? ksys_write+0xf7/0x1d0 [ 3108.551652][ C2] vfs_write+0xc0c/0x1210 [ 3108.551655][ C2] ? ksys_write+0x137/0x1d0 [ 3108.551657][ C2] ? __lock_release+0x5d/0x170 [ 3108.551661][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3108.551665][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3108.551672][ C2] ksys_write+0x183/0x1d0 [ 3108.551675][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3108.551678][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3108.551685][ C2] do_syscall_64+0xc1/0x380 [ 3108.551690][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3108.551693][ C2] RIP: 0033:0x7f471c970337 [ 3108.551699][ 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 [ 3108.551702][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3108.551705][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3108.551707][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3108.551709][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3108.551711][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3108.551712][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3108.551719][ C2] [ 3136.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 850s! [mptcp_connect:16956] [ 3136.512949][ 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 [ 3136.512968][ C2] irq event stamp: 64230 [ 3136.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3136.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3136.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3136.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3136.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3136.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 3136.513011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3136.513014][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 3136.513019][ 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 [ 3136.513022][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3136.513025][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3136.513027][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3136.513029][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3136.513031][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3136.513033][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3136.513035][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3136.513039][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3136.513043][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3136.513045][ C2] PKRU: 55555554 [ 3136.513046][ C2] Call Trace: [ 3136.513051][ C2] [ 3136.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3136.513063][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3136.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3136.513072][ C2] ? lock_acquire+0x10c/0x170 [ 3136.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3136.513081][ C2] mptcp_try_fallback+0x14b/0x360 [ 3136.513085][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3136.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3136.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3136.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3136.513102][ C2] __mptcp_retrans+0x42a/0x960 [ 3136.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3136.513114][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3136.513123][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3136.513131][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3136.513133][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3136.513137][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3136.513139][ C2] ? lock_acquire+0x10c/0x170 [ 3136.513142][ C2] ? release_sock+0x1f/0x1d0 [ 3136.513150][ C2] release_sock+0x17f/0x1d0 [ 3136.513154][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3136.513162][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3136.513165][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3136.513169][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3136.513176][ C2] ? find_held_lock+0x2b/0x80 [ 3136.513181][ C2] sock_write_iter+0x3c1/0x520 [ 3136.513187][ C2] ? __up_write+0x1ad/0x530 [ 3136.513192][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3136.513199][ C2] ? ksys_write+0xf7/0x1d0 [ 3136.513207][ C2] vfs_write+0xc0c/0x1210 [ 3136.513212][ C2] ? ksys_write+0x137/0x1d0 [ 3136.513214][ C2] ? __lock_release+0x5d/0x170 [ 3136.513218][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3136.513222][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3136.513230][ C2] ksys_write+0x183/0x1d0 [ 3136.513233][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3136.513236][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3136.513244][ C2] do_syscall_64+0xc1/0x380 [ 3136.513248][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3136.513253][ C2] RIP: 0033:0x7f471c970337 [ 3136.513259][ 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 [ 3136.513261][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3136.513264][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3136.513266][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3136.513268][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3136.513270][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3136.513272][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3136.513278][ C2] [ 3164.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 876s! [mptcp_connect:16956] [ 3164.512948][ 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 [ 3164.512967][ C2] irq event stamp: 64230 [ 3164.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3164.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3164.512986][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3164.512993][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3164.513002][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3164.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 3164.513011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3164.513013][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3164.513018][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3164.513021][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3164.513025][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3164.513027][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3164.513029][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3164.513031][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3164.513033][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3164.513035][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3164.513038][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3164.513042][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3164.513044][ C2] PKRU: 55555554 [ 3164.513045][ C2] Call Trace: [ 3164.513049][ C2] [ 3164.513054][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3164.513061][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3164.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3164.513070][ C2] ? lock_acquire+0x10c/0x170 [ 3164.513075][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3164.513080][ C2] mptcp_try_fallback+0x14b/0x360 [ 3164.513084][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3164.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3164.513094][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3164.513096][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3164.513101][ C2] __mptcp_retrans+0x42a/0x960 [ 3164.513108][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3164.513113][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3164.513121][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3164.513129][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3164.513131][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3164.513134][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3164.513137][ C2] ? lock_acquire+0x10c/0x170 [ 3164.513140][ C2] ? release_sock+0x1f/0x1d0 [ 3164.513148][ C2] release_sock+0x17f/0x1d0 [ 3164.513151][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3164.513159][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3164.513163][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3164.513167][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3164.513173][ C2] ? find_held_lock+0x2b/0x80 [ 3164.513177][ C2] sock_write_iter+0x3c1/0x520 [ 3164.513184][ C2] ? __up_write+0x1ad/0x530 [ 3164.513189][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3164.513196][ C2] ? ksys_write+0xf7/0x1d0 [ 3164.513204][ C2] vfs_write+0xc0c/0x1210 [ 3164.513209][ C2] ? ksys_write+0x137/0x1d0 [ 3164.513211][ C2] ? __lock_release+0x5d/0x170 [ 3164.513215][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3164.513219][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3164.513226][ C2] ksys_write+0x183/0x1d0 [ 3164.513230][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3164.513232][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3164.513241][ C2] do_syscall_64+0xc1/0x380 [ 3164.513245][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3164.513250][ C2] RIP: 0033:0x7f471c970337 [ 3164.513256][ 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 [ 3164.513259][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3164.513262][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3164.513264][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3164.513266][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3164.513268][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3164.513270][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3164.513276][ C2] [ 3175.838463][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 921286 jiffies s: 68525 root: 0x4/. [ 3175.838972][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3175.839166][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3175.839446][ C2] NMI backtrace for cpu 2 [ 3175.839459][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3175.839465][ C2] Tainted: [L]=SOFTLOCKUP [ 3175.839467][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3175.839469][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 3175.839481][ 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 [ 3175.839484][ C2] RSP: 0018:ffffc9000029f5b8 EFLAGS: 00000282 [ 3175.839489][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3175.839491][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3175.839493][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3175.839495][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3175.839497][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3175.839499][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3175.839502][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3175.839505][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3175.839507][ C2] PKRU: 55555554 [ 3175.839509][ C2] Call Trace: [ 3175.839511][ C2] [ 3175.839514][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3175.839525][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3175.839532][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3175.839537][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3175.839540][ C2] ? lock_acquire+0x10c/0x170 [ 3175.839544][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3175.839552][ C2] mptcp_try_fallback+0x14b/0x360 [ 3175.839557][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3175.839563][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3175.839566][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3175.839569][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3175.839574][ C2] __mptcp_retrans+0x42a/0x960 [ 3175.839580][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3175.839585][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3175.839594][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3175.839602][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3175.839605][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3175.839608][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3175.839610][ C2] ? lock_acquire+0x10c/0x170 [ 3175.839613][ C2] ? release_sock+0x1f/0x1d0 [ 3175.839620][ C2] release_sock+0x17f/0x1d0 [ 3175.839624][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3175.839631][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3175.839635][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3175.839639][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3175.839646][ C2] ? find_held_lock+0x2b/0x80 [ 3175.839650][ C2] sock_write_iter+0x3c1/0x520 [ 3175.839656][ C2] ? __up_write+0x1ad/0x530 [ 3175.839662][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3175.839668][ C2] ? ksys_write+0xf7/0x1d0 [ 3175.839675][ C2] vfs_write+0xc0c/0x1210 [ 3175.839679][ C2] ? ksys_write+0x137/0x1d0 [ 3175.839681][ C2] ? __lock_release+0x5d/0x170 [ 3175.839685][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3175.839689][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3175.839696][ C2] ksys_write+0x183/0x1d0 [ 3175.839700][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3175.839702][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3175.839710][ C2] do_syscall_64+0xc1/0x380 [ 3175.839715][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3175.839719][ C2] RIP: 0033:0x7f471c970337 [ 3175.839725][ 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 [ 3175.839728][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3175.839731][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3175.839733][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3175.839735][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3175.839737][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3175.839739][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3175.839745][ C2] [ 3185.002440][ T70] kmemleak: 289 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 3186.553323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3186.553893][ C2] rcu: 2-....: (961291 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=237949 [ 3186.554266][ C2] rcu: (t=962036 jiffies g=1286133 q=18369 ncpus=4) [ 3186.554511][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3186.554518][ C2] Tainted: [L]=SOFTLOCKUP [ 3186.554520][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3186.554522][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3186.554535][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3186.554538][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3186.554542][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3186.554544][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3186.554546][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3186.554548][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3186.554550][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3186.554552][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3186.554555][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3186.554559][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3186.554561][ C2] PKRU: 55555554 [ 3186.554562][ C2] Call Trace: [ 3186.554563][ C2] [ 3186.554566][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3186.554574][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3186.554579][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3186.554581][ C2] ? lock_acquire+0x10c/0x170 [ 3186.554586][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3186.554594][ C2] mptcp_try_fallback+0x14b/0x360 [ 3186.554598][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3186.554604][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3186.554607][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3186.554609][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3186.554614][ C2] __mptcp_retrans+0x42a/0x960 [ 3186.554620][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3186.554625][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3186.554633][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3186.554641][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3186.554643][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3186.554646][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3186.554649][ C2] ? lock_acquire+0x10c/0x170 [ 3186.554652][ C2] ? release_sock+0x1f/0x1d0 [ 3186.554659][ C2] release_sock+0x17f/0x1d0 [ 3186.554663][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3186.554670][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3186.554674][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3186.554678][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3186.554685][ C2] ? find_held_lock+0x2b/0x80 [ 3186.554689][ C2] sock_write_iter+0x3c1/0x520 [ 3186.554695][ C2] ? __up_write+0x1ad/0x530 [ 3186.554700][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3186.554706][ C2] ? ksys_write+0xf7/0x1d0 [ 3186.554714][ C2] vfs_write+0xc0c/0x1210 [ 3186.554717][ C2] ? ksys_write+0x137/0x1d0 [ 3186.554720][ C2] ? __lock_release+0x5d/0x170 [ 3186.554724][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3186.554727][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3186.554735][ C2] ksys_write+0x183/0x1d0 [ 3186.554738][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3186.554741][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3186.554749][ C2] do_syscall_64+0xc1/0x380 [ 3186.554753][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3186.554757][ C2] RIP: 0033:0x7f471c970337 [ 3186.554763][ 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 [ 3186.554766][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3186.554769][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3186.554771][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3186.554772][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3186.554775][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3186.554776][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3186.554782][ C2] [ 3196.317388][ T44] INFO: task mptcp_connect:16951 blocked for more than 860 seconds. [ 3196.317875][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 3196.318122][ T44] Blocked by coredump. [ 3196.318376][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3196.318646][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 3196.319078][ T44] Call Trace: [ 3196.319200][ T44] [ 3196.319285][ T44] __schedule+0x862/0x1b00 [ 3196.319493][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 3196.319739][ T44] ? __pfx___schedule+0x10/0x10 [ 3196.319901][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3196.320074][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3196.320230][ T44] ? rcu_is_watching+0x12/0xc0 [ 3196.320487][ T44] ? rcu_is_watching+0x12/0xc0 [ 3196.320647][ T44] ? schedule+0x1ee/0x270 [ 3196.320775][ T44] ? rcu_is_watching+0x12/0xc0 [ 3196.320934][ T44] schedule+0xe2/0x270 [ 3196.321057][ T44] synchronize_rcu_expedited+0x379/0x450 [ 3196.321295][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 3196.321513][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 3196.321714][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3196.321959][ T44] ? rcu_is_watching+0x12/0xc0 [ 3196.322119][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 3196.322282][ T44] ? __up_write+0x1ad/0x530 [ 3196.322449][ T44] ? trace_lock_release+0x2a/0xd0 [ 3196.322688][ T44] namespace_unlock+0x440/0x7f0 [ 3196.322857][ T44] ? umount_tree+0x53d/0x1260 [ 3196.323016][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 3196.323178][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3196.323344][ T44] ? __pfx_umount_tree+0x10/0x10 [ 3196.323507][ T44] ? put_mnt_ns+0xc8/0xf0 [ 3196.323628][ T44] ? rcu_is_watching+0x12/0xc0 [ 3196.323791][ T44] put_mnt_ns+0xcd/0xf0 [ 3196.323912][ T44] free_nsproxy+0x39/0x330 [ 3196.324163][ T44] do_exit+0x5a2/0xea0 [ 3196.324291][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3196.324458][ T44] ? __pfx_do_exit+0x10/0x10 [ 3196.324617][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3196.324856][ T44] ? rcu_is_watching+0x12/0xc0 [ 3196.325016][ T44] do_group_exit+0xb8/0x260 [ 3196.325173][ T44] __x64_sys_exit_group+0x3e/0x50 [ 3196.325338][ T44] x64_sys_call+0xf76/0x18a0 [ 3196.325586][ T44] do_syscall_64+0xc1/0x380 [ 3196.325745][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3196.325943][ T44] RIP: 0033:0x7f1e66bbcadd [ 3196.326107][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 3196.326443][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 3196.326685][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 3196.327009][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 3196.327248][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 3196.327492][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 3196.327832][ T44] [ 3196.327954][ T44] INFO: lockdep is turned off. [ 3212.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 920s! [mptcp_connect:16956] [ 3212.512949][ 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 [ 3212.512967][ C2] irq event stamp: 64230 [ 3212.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3212.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3212.512986][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3212.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3212.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3212.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 3212.513011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3212.513013][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 3212.513023][ C2] Code: c7 c7 40 05 87 a3 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 [ 3212.513026][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 3212.513029][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3212.513031][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3212.513034][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3212.513036][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3212.513037][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3212.513040][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3212.513042][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3212.513046][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3212.513048][ C2] PKRU: 55555554 [ 3212.513050][ C2] Call Trace: [ 3212.513054][ C2] [ 3212.513056][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3212.513064][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3212.513071][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3212.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3212.513080][ C2] ? lock_acquire+0x10c/0x170 [ 3212.513085][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3212.513090][ C2] mptcp_try_fallback+0x14b/0x360 [ 3212.513095][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3212.513101][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3212.513104][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3212.513107][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3212.513111][ C2] __mptcp_retrans+0x42a/0x960 [ 3212.513117][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3212.513123][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3212.513131][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3212.513139][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3212.513142][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3212.513145][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3212.513147][ C2] ? lock_acquire+0x10c/0x170 [ 3212.513150][ C2] ? release_sock+0x1f/0x1d0 [ 3212.513158][ C2] release_sock+0x17f/0x1d0 [ 3212.513162][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3212.513170][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3212.513173][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3212.513177][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3212.513184][ C2] ? find_held_lock+0x2b/0x80 [ 3212.513188][ C2] sock_write_iter+0x3c1/0x520 [ 3212.513195][ C2] ? __up_write+0x1ad/0x530 [ 3212.513200][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3212.513207][ C2] ? ksys_write+0xf7/0x1d0 [ 3212.513214][ C2] vfs_write+0xc0c/0x1210 [ 3212.513218][ C2] ? ksys_write+0x137/0x1d0 [ 3212.513220][ C2] ? __lock_release+0x5d/0x170 [ 3212.513224][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3212.513228][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3212.513235][ C2] ksys_write+0x183/0x1d0 [ 3212.513239][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3212.513241][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3212.513250][ C2] do_syscall_64+0xc1/0x380 [ 3212.513254][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3212.513259][ C2] RIP: 0033:0x7f471c970337 [ 3212.513265][ 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 [ 3212.513267][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3212.513271][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3212.513273][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3212.513275][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3212.513277][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3212.513279][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3212.513285][ C2] [ 3240.512938][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 946s! [mptcp_connect:16956] [ 3240.512952][ 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 [ 3240.512971][ C2] irq event stamp: 64230 [ 3240.512973][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3240.512987][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3240.512991][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3240.512999][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3240.513009][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3240.513015][ C2] Tainted: [L]=SOFTLOCKUP [ 3240.513016][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3240.513018][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3240.513024][ 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 [ 3240.513027][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3240.513030][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3240.513033][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3240.513035][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3240.513037][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3240.513039][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3240.513041][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3240.513043][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3240.513047][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3240.513049][ C2] PKRU: 55555554 [ 3240.513050][ C2] Call Trace: [ 3240.513055][ C2] [ 3240.513060][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3240.513068][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3240.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3240.513078][ C2] ? lock_acquire+0x10c/0x170 [ 3240.513082][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3240.513087][ C2] mptcp_try_fallback+0x14b/0x360 [ 3240.513091][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3240.513098][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3240.513101][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3240.513104][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3240.513109][ C2] __mptcp_retrans+0x42a/0x960 [ 3240.513115][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3240.513120][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3240.513129][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3240.513137][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3240.513140][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3240.513143][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3240.513146][ C2] ? lock_acquire+0x10c/0x170 [ 3240.513148][ C2] ? release_sock+0x1f/0x1d0 [ 3240.513156][ C2] release_sock+0x17f/0x1d0 [ 3240.513159][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3240.513167][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3240.513171][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3240.513175][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3240.513182][ C2] ? find_held_lock+0x2b/0x80 [ 3240.513186][ C2] sock_write_iter+0x3c1/0x520 [ 3240.513193][ C2] ? __up_write+0x1ad/0x530 [ 3240.513199][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3240.513206][ C2] ? ksys_write+0xf7/0x1d0 [ 3240.513213][ C2] vfs_write+0xc0c/0x1210 [ 3240.513218][ C2] ? ksys_write+0x137/0x1d0 [ 3240.513220][ C2] ? __lock_release+0x5d/0x170 [ 3240.513224][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3240.513228][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3240.513235][ C2] ksys_write+0x183/0x1d0 [ 3240.513239][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3240.513241][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3240.513249][ C2] do_syscall_64+0xc1/0x380 [ 3240.513254][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3240.513259][ C2] RIP: 0033:0x7f471c970337 [ 3240.513265][ 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 [ 3240.513268][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3240.513271][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3240.513273][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3240.513275][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3240.513277][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3240.513279][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3240.513285][ C2] [ 3264.556322][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3264.556729][ C2] rcu: 2-....: (1039243 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=257400 [ 3264.557263][ C2] rcu: (t=1040039 jiffies g=1286133 q=19658 ncpus=4) [ 3264.557523][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3264.557529][ C2] Tainted: [L]=SOFTLOCKUP [ 3264.557531][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3264.557533][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3264.557546][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3264.557549][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3264.557554][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3264.557556][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3264.557558][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3264.557559][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3264.557561][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3264.557563][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3264.557566][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3264.557570][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3264.557572][ C2] PKRU: 55555554 [ 3264.557573][ C2] Call Trace: [ 3264.557574][ C2] [ 3264.557576][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3264.557584][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3264.557591][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3264.557593][ C2] ? lock_acquire+0x10c/0x170 [ 3264.557599][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3264.557608][ C2] mptcp_try_fallback+0x14b/0x360 [ 3264.557611][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3264.557618][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3264.557620][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3264.557623][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3264.557628][ C2] __mptcp_retrans+0x42a/0x960 [ 3264.557634][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3264.557639][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3264.557648][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3264.557656][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3264.557659][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3264.557662][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3264.557664][ C2] ? lock_acquire+0x10c/0x170 [ 3264.557667][ C2] ? release_sock+0x1f/0x1d0 [ 3264.557675][ C2] release_sock+0x17f/0x1d0 [ 3264.557678][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3264.557686][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3264.557690][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3264.557694][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3264.557701][ C2] ? find_held_lock+0x2b/0x80 [ 3264.557705][ C2] sock_write_iter+0x3c1/0x520 [ 3264.557712][ C2] ? __up_write+0x1ad/0x530 [ 3264.557717][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3264.557724][ C2] ? ksys_write+0xf7/0x1d0 [ 3264.557732][ C2] vfs_write+0xc0c/0x1210 [ 3264.557736][ C2] ? ksys_write+0x137/0x1d0 [ 3264.557738][ C2] ? __lock_release+0x5d/0x170 [ 3264.557741][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3264.557745][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3264.557752][ C2] ksys_write+0x183/0x1d0 [ 3264.557755][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3264.557758][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3264.557766][ C2] do_syscall_64+0xc1/0x380 [ 3264.557771][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3264.557775][ C2] RIP: 0033:0x7f471c970337 [ 3264.557780][ 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 [ 3264.557782][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3264.557786][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3264.557788][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3264.557789][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3264.557791][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3264.557793][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3264.557799][ C2] [ 3274.141349][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1019589 jiffies s: 68525 root: 0x4/. [ 3274.141925][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3274.142137][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3274.142319][ C2] NMI backtrace for cpu 2 [ 3274.142329][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3274.142334][ C2] Tainted: [L]=SOFTLOCKUP [ 3274.142336][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3274.142338][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 3274.142348][ 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 [ 3274.142350][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 3274.142354][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 3274.142356][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 3274.142358][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 3274.142360][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 3274.142362][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 3274.142364][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3274.142366][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3274.142371][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3274.142373][ C2] PKRU: 55555554 [ 3274.142374][ C2] Call Trace: [ 3274.142377][ C2] [ 3274.142379][ C2] ioapic_ack_level+0xcf/0x3d0 [ 3274.142389][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 3274.142399][ C2] __common_interrupt+0xad/0x1d0 [ 3274.142407][ C2] common_interrupt+0xb9/0xe0 [ 3274.142413][ C2] [ 3274.142414][ C2] [ 3274.142416][ C2] asm_common_interrupt+0x26/0x40 [ 3274.142421][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3274.142427][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3274.142429][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3274.142432][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3274.142433][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3274.142435][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3274.142437][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3274.142439][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3274.142442][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 3274.142449][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3274.142455][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3274.142459][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3274.142462][ C2] ? lock_acquire+0x10c/0x170 [ 3274.142466][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3274.142473][ C2] mptcp_try_fallback+0x14b/0x360 [ 3274.142477][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3274.142483][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3274.142485][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3274.142488][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3274.142493][ C2] __mptcp_retrans+0x42a/0x960 [ 3274.142499][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3274.142504][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3274.142510][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3274.142518][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3274.142520][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3274.142523][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3274.142526][ C2] ? lock_acquire+0x10c/0x170 [ 3274.142529][ C2] ? release_sock+0x1f/0x1d0 [ 3274.142535][ C2] release_sock+0x17f/0x1d0 [ 3274.142539][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3274.142546][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3274.142550][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3274.142553][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3274.142559][ C2] ? find_held_lock+0x2b/0x80 [ 3274.142563][ C2] sock_write_iter+0x3c1/0x520 [ 3274.142568][ C2] ? __up_write+0x1ad/0x530 [ 3274.142573][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3274.142579][ C2] ? ksys_write+0xf7/0x1d0 [ 3274.142585][ C2] vfs_write+0xc0c/0x1210 [ 3274.142589][ C2] ? ksys_write+0x137/0x1d0 [ 3274.142591][ C2] ? __lock_release+0x5d/0x170 [ 3274.142595][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3274.142598][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3274.142605][ C2] ksys_write+0x183/0x1d0 [ 3274.142609][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3274.142611][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3274.142617][ C2] do_syscall_64+0xc1/0x380 [ 3274.142621][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3274.142624][ C2] RIP: 0033:0x7f471c970337 [ 3274.142629][ 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 [ 3274.142631][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3274.142634][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3274.142636][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3274.142638][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3274.142639][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3274.142641][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3274.142647][ C2] [ 3300.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1002s! [mptcp_connect:16956] [ 3300.512946][ 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 [ 3300.512964][ C2] irq event stamp: 64230 [ 3300.512966][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3300.512977][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3300.512981][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3300.512987][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3300.512995][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3300.513000][ C2] Tainted: [L]=SOFTLOCKUP [ 3300.513002][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3300.513004][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3300.513009][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3300.513012][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3300.513016][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3300.513018][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3300.513020][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3300.513022][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3300.513024][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3300.513026][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3300.513028][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3300.513032][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3300.513035][ C2] PKRU: 55555554 [ 3300.513036][ C2] Call Trace: [ 3300.513040][ C2] [ 3300.513044][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3300.513052][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3300.513057][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3300.513060][ C2] ? lock_acquire+0x10c/0x170 [ 3300.513065][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3300.513069][ C2] mptcp_try_fallback+0x14b/0x360 [ 3300.513073][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3300.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3300.513083][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3300.513086][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3300.513090][ C2] __mptcp_retrans+0x42a/0x960 [ 3300.513096][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3300.513101][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3300.513109][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3300.513116][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3300.513119][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3300.513122][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3300.513124][ C2] ? lock_acquire+0x10c/0x170 [ 3300.513127][ C2] ? release_sock+0x1f/0x1d0 [ 3300.513134][ C2] release_sock+0x17f/0x1d0 [ 3300.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3300.513145][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3300.513149][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3300.513153][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3300.513159][ C2] ? find_held_lock+0x2b/0x80 [ 3300.513164][ C2] sock_write_iter+0x3c1/0x520 [ 3300.513169][ C2] ? __up_write+0x1ad/0x530 [ 3300.513174][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3300.513181][ C2] ? ksys_write+0xf7/0x1d0 [ 3300.513187][ C2] vfs_write+0xc0c/0x1210 [ 3300.513191][ C2] ? ksys_write+0x137/0x1d0 [ 3300.513194][ C2] ? __lock_release+0x5d/0x170 [ 3300.513198][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3300.513201][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3300.513208][ C2] ksys_write+0x183/0x1d0 [ 3300.513212][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3300.513215][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3300.513222][ C2] do_syscall_64+0xc1/0x380 [ 3300.513227][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3300.513231][ C2] RIP: 0033:0x7f471c970337 [ 3300.513235][ 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 [ 3300.513238][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3300.513242][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3300.513244][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3300.513246][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3300.513247][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3300.513249][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3300.513256][ C2] [ 3319.198394][ T44] INFO: task mptcp_connect:16951 blocked for more than 983 seconds. [ 3319.198853][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 3319.199087][ T44] Blocked by coredump. [ 3319.199235][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3319.199589][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 3319.199958][ T44] Call Trace: [ 3319.200077][ T44] [ 3319.200239][ T44] __schedule+0x862/0x1b00 [ 3319.200420][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 3319.200595][ T44] ? __pfx___schedule+0x10/0x10 [ 3319.200753][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3319.200991][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3319.201149][ T44] ? rcu_is_watching+0x12/0xc0 [ 3319.201357][ T44] ? rcu_is_watching+0x12/0xc0 [ 3319.201520][ T44] ? schedule+0x1ee/0x270 [ 3319.201641][ T44] ? rcu_is_watching+0x12/0xc0 [ 3319.201886][ T44] schedule+0xe2/0x270 [ 3319.202007][ T44] synchronize_rcu_expedited+0x379/0x450 [ 3319.202167][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 3319.202456][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 3319.202662][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3319.202820][ T44] ? rcu_is_watching+0x12/0xc0 [ 3319.202983][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 3319.203219][ T44] ? __up_write+0x1ad/0x530 [ 3319.203387][ T44] ? trace_lock_release+0x2a/0xd0 [ 3319.203548][ T44] namespace_unlock+0x440/0x7f0 [ 3319.203708][ T44] ? umount_tree+0x53d/0x1260 [ 3319.203981][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 3319.204146][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3319.204312][ T44] ? __pfx_umount_tree+0x10/0x10 [ 3319.204480][ T44] ? put_mnt_ns+0xc8/0xf0 [ 3319.204601][ T44] ? rcu_is_watching+0x12/0xc0 [ 3319.204840][ T44] put_mnt_ns+0xcd/0xf0 [ 3319.204961][ T44] free_nsproxy+0x39/0x330 [ 3319.205123][ T44] do_exit+0x5a2/0xea0 [ 3319.205244][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3319.205500][ T44] ? __pfx_do_exit+0x10/0x10 [ 3319.205658][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3319.205817][ T44] ? rcu_is_watching+0x12/0xc0 [ 3319.205977][ T44] do_group_exit+0xb8/0x260 [ 3319.206215][ T44] __x64_sys_exit_group+0x3e/0x50 [ 3319.206381][ T44] x64_sys_call+0xf76/0x18a0 [ 3319.206549][ T44] do_syscall_64+0xc1/0x380 [ 3319.206705][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3319.206998][ T44] RIP: 0033:0x7f1e66bbcadd [ 3319.207159][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 3319.207405][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 3319.207723][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 3319.207961][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 3319.208206][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 3319.208533][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 3319.208774][ T44] [ 3319.208899][ T44] INFO: lockdep is turned off. [ 3328.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1028s! [mptcp_connect:16956] [ 3328.512947][ 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 [ 3328.512964][ C2] irq event stamp: 64230 [ 3328.512966][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3328.512976][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3328.512981][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3328.512986][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3328.512994][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3328.512999][ C2] Tainted: [L]=SOFTLOCKUP [ 3328.513001][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3328.513003][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3328.513008][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3328.513012][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3328.513015][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3328.513017][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3328.513019][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3328.513021][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3328.513023][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3328.513025][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3328.513027][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3328.513031][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3328.513034][ C2] PKRU: 55555554 [ 3328.513035][ C2] Call Trace: [ 3328.513039][ C2] [ 3328.513043][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3328.513051][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3328.513057][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3328.513060][ C2] ? lock_acquire+0x10c/0x170 [ 3328.513064][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3328.513069][ C2] mptcp_try_fallback+0x14b/0x360 [ 3328.513073][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3328.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3328.513083][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3328.513085][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3328.513090][ C2] __mptcp_retrans+0x42a/0x960 [ 3328.513096][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3328.513101][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3328.513108][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3328.513116][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3328.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3328.513122][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3328.513124][ C2] ? lock_acquire+0x10c/0x170 [ 3328.513127][ C2] ? release_sock+0x1f/0x1d0 [ 3328.513133][ C2] release_sock+0x17f/0x1d0 [ 3328.513137][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3328.513145][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3328.513148][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3328.513152][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3328.513158][ C2] ? find_held_lock+0x2b/0x80 [ 3328.513162][ C2] sock_write_iter+0x3c1/0x520 [ 3328.513167][ C2] ? __up_write+0x1ad/0x530 [ 3328.513172][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3328.513179][ C2] ? ksys_write+0xf7/0x1d0 [ 3328.513185][ C2] vfs_write+0xc0c/0x1210 [ 3328.513189][ C2] ? ksys_write+0x137/0x1d0 [ 3328.513192][ C2] ? __lock_release+0x5d/0x170 [ 3328.513196][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3328.513200][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3328.513207][ C2] ksys_write+0x183/0x1d0 [ 3328.513210][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3328.513213][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3328.513220][ C2] do_syscall_64+0xc1/0x380 [ 3328.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3328.513228][ C2] RIP: 0033:0x7f471c970337 [ 3328.513233][ 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 [ 3328.513235][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3328.513239][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3328.513241][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3328.513243][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3328.513244][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3328.513246][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3328.513252][ C2] [ 3342.559321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3342.559867][ C2] rcu: 2-....: (1117172 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=276793 [ 3342.560265][ C2] rcu: (t=1118042 jiffies g=1286133 q=21356 ncpus=4) [ 3342.560636][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3342.560643][ C2] Tainted: [L]=SOFTLOCKUP [ 3342.560644][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3342.560647][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3342.560657][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3342.560661][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3342.560664][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3342.560667][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3342.560669][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3342.560670][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3342.560672][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3342.560674][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3342.560677][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3342.560681][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3342.560683][ C2] PKRU: 55555554 [ 3342.560684][ C2] Call Trace: [ 3342.560685][ C2] [ 3342.560688][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3342.560695][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3342.560700][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3342.560703][ C2] ? lock_acquire+0x10c/0x170 [ 3342.560707][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3342.560713][ C2] mptcp_try_fallback+0x14b/0x360 [ 3342.560717][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3342.560723][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3342.560726][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3342.560728][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3342.560733][ C2] __mptcp_retrans+0x42a/0x960 [ 3342.560739][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3342.560744][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3342.560751][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3342.560759][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3342.560761][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3342.560764][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3342.560767][ C2] ? lock_acquire+0x10c/0x170 [ 3342.560770][ C2] ? release_sock+0x1f/0x1d0 [ 3342.560776][ C2] release_sock+0x17f/0x1d0 [ 3342.560779][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3342.560786][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3342.560790][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3342.560794][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3342.560800][ C2] ? find_held_lock+0x2b/0x80 [ 3342.560804][ C2] sock_write_iter+0x3c1/0x520 [ 3342.560810][ C2] ? __up_write+0x1ad/0x530 [ 3342.560814][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3342.560821][ C2] ? ksys_write+0xf7/0x1d0 [ 3342.560828][ C2] vfs_write+0xc0c/0x1210 [ 3342.560831][ C2] ? ksys_write+0x137/0x1d0 [ 3342.560834][ C2] ? __lock_release+0x5d/0x170 [ 3342.560837][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3342.560841][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3342.560849][ C2] ksys_write+0x183/0x1d0 [ 3342.560852][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3342.560854][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3342.560861][ C2] do_syscall_64+0xc1/0x380 [ 3342.560865][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3342.560868][ C2] RIP: 0033:0x7f471c970337 [ 3342.560873][ 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 [ 3342.560876][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3342.560879][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3342.560881][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3342.560883][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3342.560885][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3342.560886][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3342.560892][ C2] [ 3368.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1066s! [mptcp_connect:16956] [ 3368.512946][ 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 [ 3368.512963][ C2] irq event stamp: 64230 [ 3368.512965][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3368.512975][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3368.512979][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3368.512985][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3368.512994][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3368.512999][ C2] Tainted: [L]=SOFTLOCKUP [ 3368.513001][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3368.513003][ C2] RIP: 0010:kasan_check_range+0x81/0x1c0 [ 3368.513011][ 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 [ 3368.513014][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000286 [ 3368.513017][ C2] RAX: ffffed100170bd66 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 3368.513019][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3368.513021][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 3368.513023][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3368.513025][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3368.513027][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3368.513030][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3368.513034][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3368.513036][ C2] PKRU: 55555554 [ 3368.513037][ C2] Call Trace: [ 3368.513041][ C2] [ 3368.513045][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3368.513051][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3368.513058][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3368.513063][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3368.513066][ C2] ? lock_acquire+0x10c/0x170 [ 3368.513070][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3368.513075][ C2] mptcp_try_fallback+0x14b/0x360 [ 3368.513079][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3368.513085][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3368.513088][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3368.513091][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3368.513095][ C2] __mptcp_retrans+0x42a/0x960 [ 3368.513101][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3368.513106][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3368.513113][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3368.513121][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3368.513123][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3368.513126][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3368.513129][ C2] ? lock_acquire+0x10c/0x170 [ 3368.513132][ C2] ? release_sock+0x1f/0x1d0 [ 3368.513138][ C2] release_sock+0x17f/0x1d0 [ 3368.513141][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3368.513149][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3368.513153][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3368.513156][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3368.513162][ C2] ? find_held_lock+0x2b/0x80 [ 3368.513166][ C2] sock_write_iter+0x3c1/0x520 [ 3368.513172][ C2] ? __up_write+0x1ad/0x530 [ 3368.513176][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3368.513183][ C2] ? ksys_write+0xf7/0x1d0 [ 3368.513189][ C2] vfs_write+0xc0c/0x1210 [ 3368.513193][ C2] ? ksys_write+0x137/0x1d0 [ 3368.513195][ C2] ? __lock_release+0x5d/0x170 [ 3368.513199][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3368.513203][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3368.513210][ C2] ksys_write+0x183/0x1d0 [ 3368.513213][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3368.513216][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3368.513222][ C2] do_syscall_64+0xc1/0x380 [ 3368.513227][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3368.513231][ C2] RIP: 0033:0x7f471c970337 [ 3368.513236][ 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 [ 3368.513239][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3368.513242][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3368.513244][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3368.513246][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3368.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3368.513250][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3368.513256][ C2] [ 3372.445350][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1117893 jiffies s: 68525 root: 0x4/. [ 3372.445876][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3372.446069][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3372.446321][ C2] NMI backtrace for cpu 2 [ 3372.446329][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3372.446335][ C2] Tainted: [L]=SOFTLOCKUP [ 3372.446337][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3372.446339][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 3372.446347][ 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 [ 3372.446351][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 3372.446354][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 3372.446356][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 3372.446358][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 3372.446360][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 3372.446362][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 3372.446364][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3372.446367][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3372.446370][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3372.446372][ C2] PKRU: 55555554 [ 3372.446374][ C2] Call Trace: [ 3372.446376][ C2] [ 3372.446383][ C2] ioapic_ack_level+0xcf/0x3d0 [ 3372.446391][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 3372.446398][ C2] __common_interrupt+0xad/0x1d0 [ 3372.446404][ C2] common_interrupt+0xb9/0xe0 [ 3372.446410][ C2] [ 3372.446411][ C2] [ 3372.446413][ C2] asm_common_interrupt+0x26/0x40 [ 3372.446417][ C2] RIP: 0010:queued_spin_lock_slowpath+0xc7/0x9c0 [ 3372.446422][ 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 [ 3372.446425][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 3372.446427][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3372.446429][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3372.446431][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3372.446433][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3372.446435][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3372.446439][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 3372.446445][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3372.446452][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3372.446456][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3372.446458][ C2] ? lock_acquire+0x10c/0x170 [ 3372.446462][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3372.446469][ C2] mptcp_try_fallback+0x14b/0x360 [ 3372.446473][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3372.446479][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3372.446482][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3372.446485][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3372.446490][ C2] __mptcp_retrans+0x42a/0x960 [ 3372.446495][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3372.446500][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3372.446507][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3372.446514][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3372.446517][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3372.446520][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3372.446522][ C2] ? lock_acquire+0x10c/0x170 [ 3372.446525][ C2] ? release_sock+0x1f/0x1d0 [ 3372.446531][ C2] release_sock+0x17f/0x1d0 [ 3372.446534][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3372.446541][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3372.446545][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3372.446549][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3372.446555][ C2] ? find_held_lock+0x2b/0x80 [ 3372.446559][ C2] sock_write_iter+0x3c1/0x520 [ 3372.446564][ C2] ? __up_write+0x1ad/0x530 [ 3372.446568][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3372.446575][ C2] ? ksys_write+0xf7/0x1d0 [ 3372.446581][ C2] vfs_write+0xc0c/0x1210 [ 3372.446584][ C2] ? ksys_write+0x137/0x1d0 [ 3372.446587][ C2] ? __lock_release+0x5d/0x170 [ 3372.446590][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3372.446594][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3372.446601][ C2] ksys_write+0x183/0x1d0 [ 3372.446605][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3372.446607][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3372.446613][ C2] do_syscall_64+0xc1/0x380 [ 3372.446617][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3372.446620][ C2] RIP: 0033:0x7f471c970337 [ 3372.446624][ 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 [ 3372.446626][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3372.446629][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3372.446631][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3372.446633][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3372.446635][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3372.446637][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3372.446643][ C2] [ 3396.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1092s! [mptcp_connect:16956] [ 3396.512946][ 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 [ 3396.512962][ C2] irq event stamp: 64230 [ 3396.512964][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3396.512974][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3396.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3396.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3396.512992][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3396.512998][ C2] Tainted: [L]=SOFTLOCKUP [ 3396.512999][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3396.513002][ C2] RIP: 0010:kasan_check_range+0x66/0x1c0 [ 3396.513009][ 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 [ 3396.513012][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000212 [ 3396.513015][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3396.513018][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3396.513019][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3396.513021][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3396.513023][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3396.513026][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3396.513028][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3396.513033][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3396.513035][ C2] PKRU: 55555554 [ 3396.513036][ C2] Call Trace: [ 3396.513039][ C2] [ 3396.513044][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3396.513049][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3396.513057][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3396.513061][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3396.513064][ C2] ? lock_acquire+0x10c/0x170 [ 3396.513068][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3396.513073][ C2] mptcp_try_fallback+0x14b/0x360 [ 3396.513077][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3396.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3396.513086][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3396.513089][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3396.513094][ C2] __mptcp_retrans+0x42a/0x960 [ 3396.513100][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3396.513105][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3396.513112][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3396.513120][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3396.513123][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3396.513126][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3396.513128][ C2] ? lock_acquire+0x10c/0x170 [ 3396.513131][ C2] ? release_sock+0x1f/0x1d0 [ 3396.513137][ C2] release_sock+0x17f/0x1d0 [ 3396.513141][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3396.513149][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3396.513152][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3396.513156][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3396.513162][ C2] ? find_held_lock+0x2b/0x80 [ 3396.513166][ C2] sock_write_iter+0x3c1/0x520 [ 3396.513172][ C2] ? __up_write+0x1ad/0x530 [ 3396.513176][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3396.513183][ C2] ? ksys_write+0xf7/0x1d0 [ 3396.513189][ C2] vfs_write+0xc0c/0x1210 [ 3396.513193][ C2] ? ksys_write+0x137/0x1d0 [ 3396.513196][ C2] ? __lock_release+0x5d/0x170 [ 3396.513199][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3396.513203][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3396.513210][ C2] ksys_write+0x183/0x1d0 [ 3396.513214][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3396.513217][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3396.513224][ C2] do_syscall_64+0xc1/0x380 [ 3396.513228][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3396.513233][ C2] RIP: 0033:0x7f471c970337 [ 3396.513238][ 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 [ 3396.513241][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3396.513244][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3396.513246][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3396.513248][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3396.513250][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3396.513252][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3396.513258][ C2] [ 3420.562321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3420.562755][ C2] rcu: 2-....: (1195103 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=296247 [ 3420.563277][ C2] rcu: (t=1196045 jiffies g=1286133 q=22830 ncpus=4) [ 3420.563524][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3420.563531][ C2] Tainted: [L]=SOFTLOCKUP [ 3420.563532][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3420.563535][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3420.563544][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3420.563547][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3420.563551][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3420.563553][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3420.563555][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3420.563557][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3420.563559][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3420.563561][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3420.563563][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3420.563567][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3420.563569][ C2] PKRU: 55555554 [ 3420.563571][ C2] Call Trace: [ 3420.563572][ C2] [ 3420.563574][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3420.563582][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3420.563587][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3420.563589][ C2] ? lock_acquire+0x10c/0x170 [ 3420.563593][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3420.563600][ C2] mptcp_try_fallback+0x14b/0x360 [ 3420.563604][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3420.563610][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3420.563613][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3420.563615][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3420.563621][ C2] __mptcp_retrans+0x42a/0x960 [ 3420.563626][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3420.563631][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3420.563639][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3420.563646][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3420.563648][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3420.563652][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3420.563654][ C2] ? lock_acquire+0x10c/0x170 [ 3420.563657][ C2] ? release_sock+0x1f/0x1d0 [ 3420.563663][ C2] release_sock+0x17f/0x1d0 [ 3420.563667][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3420.563674][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3420.563678][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3420.563682][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3420.563687][ C2] ? find_held_lock+0x2b/0x80 [ 3420.563691][ C2] sock_write_iter+0x3c1/0x520 [ 3420.563696][ C2] ? __up_write+0x1ad/0x530 [ 3420.563701][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3420.563707][ C2] ? ksys_write+0xf7/0x1d0 [ 3420.563714][ C2] vfs_write+0xc0c/0x1210 [ 3420.563717][ C2] ? ksys_write+0x137/0x1d0 [ 3420.563719][ C2] ? __lock_release+0x5d/0x170 [ 3420.563723][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3420.563727][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3420.563734][ C2] ksys_write+0x183/0x1d0 [ 3420.563737][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3420.563740][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3420.563747][ C2] do_syscall_64+0xc1/0x380 [ 3420.563751][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3420.563755][ C2] RIP: 0033:0x7f471c970337 [ 3420.563760][ 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 [ 3420.563763][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3420.563766][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3420.563768][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3420.563770][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3420.563772][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3420.563774][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3420.563780][ C2] [ 3442.077404][ T44] INFO: task mptcp_connect:16951 blocked for more than 1105 seconds. [ 3442.077736][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 3442.077969][ T44] Blocked by coredump. [ 3442.078207][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3442.078481][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 3442.078929][ T44] Call Trace: [ 3442.079050][ T44] [ 3442.079145][ T44] __schedule+0x862/0x1b00 [ 3442.079333][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 3442.079580][ T44] ? __pfx___schedule+0x10/0x10 [ 3442.079751][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3442.079911][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3442.080070][ T44] ? rcu_is_watching+0x12/0xc0 [ 3442.080310][ T44] ? rcu_is_watching+0x12/0xc0 [ 3442.080520][ T44] ? schedule+0x1ee/0x270 [ 3442.080647][ T44] ? rcu_is_watching+0x12/0xc0 [ 3442.080826][ T44] schedule+0xe2/0x270 [ 3442.080949][ T44] synchronize_rcu_expedited+0x379/0x450 [ 3442.081190][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 3442.081402][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 3442.081600][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3442.081855][ T44] ? rcu_is_watching+0x12/0xc0 [ 3442.082029][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 3442.082189][ T44] ? __up_write+0x1ad/0x530 [ 3442.082360][ T44] ? trace_lock_release+0x2a/0xd0 [ 3442.082601][ T44] namespace_unlock+0x440/0x7f0 [ 3442.082774][ T44] ? umount_tree+0x53d/0x1260 [ 3442.082937][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 3442.083095][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3442.083343][ T44] ? __pfx_umount_tree+0x10/0x10 [ 3442.083513][ T44] ? put_mnt_ns+0xc8/0xf0 [ 3442.083634][ T44] ? rcu_is_watching+0x12/0xc0 [ 3442.083806][ T44] put_mnt_ns+0xcd/0xf0 [ 3442.083928][ T44] free_nsproxy+0x39/0x330 [ 3442.084179][ T44] do_exit+0x5a2/0xea0 [ 3442.084301][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3442.084469][ T44] ? __pfx_do_exit+0x10/0x10 [ 3442.084628][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3442.084890][ T44] ? rcu_is_watching+0x12/0xc0 [ 3442.085050][ T44] do_group_exit+0xb8/0x260 [ 3442.085209][ T44] __x64_sys_exit_group+0x3e/0x50 [ 3442.085378][ T44] x64_sys_call+0xf76/0x18a0 [ 3442.085619][ T44] do_syscall_64+0xc1/0x380 [ 3442.085789][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3442.085999][ T44] RIP: 0033:0x7f1e66bbcadd [ 3442.086164][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 3442.086511][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 3442.086755][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 3442.087085][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 3442.087331][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 3442.087579][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 3442.087925][ T44] [ 3442.088048][ T44] INFO: lockdep is turned off. [ 3448.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1140s! [mptcp_connect:16956] [ 3448.512951][ 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 [ 3448.512971][ C2] irq event stamp: 64230 [ 3448.512973][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3448.512987][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3448.512991][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3448.512999][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3448.513009][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3448.513015][ C2] Tainted: [L]=SOFTLOCKUP [ 3448.513018][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3448.513020][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3448.513027][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3448.513030][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3448.513034][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3448.513037][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3448.513039][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3448.513041][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3448.513043][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3448.513045][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3448.513048][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3448.513052][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3448.513055][ C2] PKRU: 55555554 [ 3448.513056][ C2] Call Trace: [ 3448.513060][ C2] [ 3448.513066][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3448.513075][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3448.513082][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3448.513084][ C2] ? lock_acquire+0x10c/0x170 [ 3448.513089][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3448.513094][ C2] mptcp_try_fallback+0x14b/0x360 [ 3448.513099][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3448.513106][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3448.513109][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3448.513112][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3448.513116][ C2] __mptcp_retrans+0x42a/0x960 [ 3448.513123][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3448.513128][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3448.513137][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3448.513146][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3448.513149][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3448.513152][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3448.513154][ C2] ? lock_acquire+0x10c/0x170 [ 3448.513157][ C2] ? release_sock+0x1f/0x1d0 [ 3448.513165][ C2] release_sock+0x17f/0x1d0 [ 3448.513169][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3448.513177][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3448.513181][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3448.513185][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3448.513193][ C2] ? find_held_lock+0x2b/0x80 [ 3448.513197][ C2] sock_write_iter+0x3c1/0x520 [ 3448.513204][ C2] ? __up_write+0x1ad/0x530 [ 3448.513210][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3448.513217][ C2] ? ksys_write+0xf7/0x1d0 [ 3448.513225][ C2] vfs_write+0xc0c/0x1210 [ 3448.513229][ C2] ? ksys_write+0x137/0x1d0 [ 3448.513232][ C2] ? __lock_release+0x5d/0x170 [ 3448.513236][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3448.513240][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3448.513247][ C2] ksys_write+0x183/0x1d0 [ 3448.513251][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3448.513254][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3448.513262][ C2] do_syscall_64+0xc1/0x380 [ 3448.513267][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3448.513272][ C2] RIP: 0033:0x7f471c970337 [ 3448.513279][ 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 [ 3448.513282][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3448.513286][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3448.513288][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3448.513290][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3448.513292][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3448.513294][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3448.513301][ C2] [ 3470.749357][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1216197 jiffies s: 68525 root: 0x4/. [ 3470.749952][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3470.750152][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3470.750329][ C2] NMI backtrace for cpu 2 [ 3470.750345][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3470.750352][ C2] Tainted: [L]=SOFTLOCKUP [ 3470.750354][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3470.750357][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 3470.750369][ 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 [ 3470.750373][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 3470.750377][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 3470.750380][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 3470.750382][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 3470.750384][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 3470.750386][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 3470.750388][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3470.750391][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3470.750395][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3470.750397][ C2] PKRU: 55555554 [ 3470.750398][ C2] Call Trace: [ 3470.750403][ C2] [ 3470.750405][ C2] ioapic_ack_level+0xcf/0x3d0 [ 3470.750417][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 3470.750427][ C2] __common_interrupt+0xad/0x1d0 [ 3470.750434][ C2] common_interrupt+0xb9/0xe0 [ 3470.750441][ C2] [ 3470.750442][ C2] [ 3470.750445][ C2] asm_common_interrupt+0x26/0x40 [ 3470.750451][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3470.750457][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3470.750460][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3470.750462][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3470.750464][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3470.750467][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3470.750468][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3470.750470][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3470.750474][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 3470.750481][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3470.750488][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3470.750493][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3470.750495][ C2] ? lock_acquire+0x10c/0x170 [ 3470.750501][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3470.750509][ C2] mptcp_try_fallback+0x14b/0x360 [ 3470.750513][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3470.750519][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3470.750522][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3470.750525][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3470.750530][ C2] __mptcp_retrans+0x42a/0x960 [ 3470.750536][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3470.750541][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3470.750549][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3470.750557][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3470.750560][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3470.750563][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3470.750566][ C2] ? lock_acquire+0x10c/0x170 [ 3470.750569][ C2] ? release_sock+0x1f/0x1d0 [ 3470.750576][ C2] release_sock+0x17f/0x1d0 [ 3470.750580][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3470.750588][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3470.750592][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3470.750596][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3470.750603][ C2] ? find_held_lock+0x2b/0x80 [ 3470.750607][ C2] sock_write_iter+0x3c1/0x520 [ 3470.750613][ C2] ? __up_write+0x1ad/0x530 [ 3470.750619][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3470.750625][ C2] ? ksys_write+0xf7/0x1d0 [ 3470.750633][ C2] vfs_write+0xc0c/0x1210 [ 3470.750638][ C2] ? ksys_write+0x137/0x1d0 [ 3470.750641][ C2] ? __lock_release+0x5d/0x170 [ 3470.750645][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3470.750649][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3470.750656][ C2] ksys_write+0x183/0x1d0 [ 3470.750660][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3470.750662][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3470.750670][ C2] do_syscall_64+0xc1/0x380 [ 3470.750673][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3470.750677][ C2] RIP: 0033:0x7f471c970337 [ 3470.750683][ 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 [ 3470.750686][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3470.750689][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3470.750691][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3470.750694][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3470.750696][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3470.750698][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3470.750704][ C2] [ 3496.512944][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1185s! [mptcp_connect:16956] [ 3496.512958][ 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 [ 3496.512977][ C2] irq event stamp: 64230 [ 3496.512978][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3496.512993][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3496.512997][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3496.513005][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3496.513014][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3496.513020][ C2] Tainted: [L]=SOFTLOCKUP [ 3496.513022][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3496.513024][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3496.513030][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3496.513034][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3496.513037][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3496.513040][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3496.513042][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3496.513044][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3496.513046][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3496.513049][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3496.513051][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3496.513055][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3496.513057][ C2] PKRU: 55555554 [ 3496.513059][ C2] Call Trace: [ 3496.513063][ C2] [ 3496.513069][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3496.513077][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3496.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3496.513087][ C2] ? lock_acquire+0x10c/0x170 [ 3496.513092][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3496.513097][ C2] mptcp_try_fallback+0x14b/0x360 [ 3496.513102][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3496.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3496.513112][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3496.513114][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3496.513119][ C2] __mptcp_retrans+0x42a/0x960 [ 3496.513125][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3496.513131][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3496.513139][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3496.513147][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3496.513150][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3496.513153][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3496.513156][ C2] ? lock_acquire+0x10c/0x170 [ 3496.513159][ C2] ? release_sock+0x1f/0x1d0 [ 3496.513166][ C2] release_sock+0x17f/0x1d0 [ 3496.513171][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3496.513178][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3496.513183][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3496.513187][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3496.513194][ C2] ? find_held_lock+0x2b/0x80 [ 3496.513198][ C2] sock_write_iter+0x3c1/0x520 [ 3496.513205][ C2] ? __up_write+0x1ad/0x530 [ 3496.513211][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3496.513218][ C2] ? ksys_write+0xf7/0x1d0 [ 3496.513226][ C2] vfs_write+0xc0c/0x1210 [ 3496.513230][ C2] ? ksys_write+0x137/0x1d0 [ 3496.513233][ C2] ? __lock_release+0x5d/0x170 [ 3496.513237][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3496.513241][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3496.513249][ C2] ksys_write+0x183/0x1d0 [ 3496.513253][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3496.513255][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3496.513264][ C2] do_syscall_64+0xc1/0x380 [ 3496.513269][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3496.513274][ C2] RIP: 0033:0x7f471c970337 [ 3496.513281][ 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 [ 3496.513284][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3496.513287][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3496.513289][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3496.513291][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3496.513293][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3496.513295][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3496.513304][ C2] [ 3498.565323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3498.565826][ C2] rcu: 2-....: (1273036 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=335029 [ 3498.566245][ C2] rcu: (t=1274048 jiffies g=1286133 q=24522 ncpus=4) [ 3498.566501][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3498.566508][ C2] Tainted: [L]=SOFTLOCKUP [ 3498.566510][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3498.566513][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 3498.566526][ 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 [ 3498.566529][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3498.566533][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3498.566536][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3498.566538][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3498.566540][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3498.566542][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3498.566544][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3498.566547][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3498.566550][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3498.566552][ C2] PKRU: 55555554 [ 3498.566553][ C2] Call Trace: [ 3498.566555][ C2] [ 3498.566557][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3498.566565][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3498.566571][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3498.566573][ C2] ? lock_acquire+0x10c/0x170 [ 3498.566578][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3498.566587][ C2] mptcp_try_fallback+0x14b/0x360 [ 3498.566590][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3498.566597][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3498.566599][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3498.566602][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3498.566607][ C2] __mptcp_retrans+0x42a/0x960 [ 3498.566613][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3498.566618][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3498.566627][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3498.566635][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3498.566638][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3498.566641][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3498.566643][ C2] ? lock_acquire+0x10c/0x170 [ 3498.566647][ C2] ? release_sock+0x1f/0x1d0 [ 3498.566654][ C2] release_sock+0x17f/0x1d0 [ 3498.566657][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3498.566665][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3498.566669][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3498.566672][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3498.566679][ C2] ? find_held_lock+0x2b/0x80 [ 3498.566683][ C2] sock_write_iter+0x3c1/0x520 [ 3498.566689][ C2] ? __up_write+0x1ad/0x530 [ 3498.566695][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3498.566701][ C2] ? ksys_write+0xf7/0x1d0 [ 3498.566709][ C2] vfs_write+0xc0c/0x1210 [ 3498.566713][ C2] ? ksys_write+0x137/0x1d0 [ 3498.566716][ C2] ? __lock_release+0x5d/0x170 [ 3498.566720][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3498.566723][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3498.566731][ C2] ksys_write+0x183/0x1d0 [ 3498.566734][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3498.566736][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3498.566745][ C2] do_syscall_64+0xc1/0x380 [ 3498.566749][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3498.566753][ C2] RIP: 0033:0x7f471c970337 [ 3498.566759][ 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 [ 3498.566762][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3498.566765][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3498.566767][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3498.566770][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3498.566772][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3498.566774][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3498.566780][ C2] [ 3524.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1211s! [mptcp_connect:16956] [ 3524.512951][ 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 [ 3524.512970][ C2] irq event stamp: 64230 [ 3524.512972][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3524.512986][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3524.512990][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3524.512998][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3524.513009][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3524.513015][ C2] Tainted: [L]=SOFTLOCKUP [ 3524.513017][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3524.513020][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3524.513026][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3524.513030][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3524.513033][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3524.513035][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3524.513037][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3524.513039][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3524.513041][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3524.513044][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3524.513047][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3524.513051][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3524.513053][ C2] PKRU: 55555554 [ 3524.513054][ C2] Call Trace: [ 3524.513059][ C2] [ 3524.513064][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3524.513072][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3524.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3524.513083][ C2] ? lock_acquire+0x10c/0x170 [ 3524.513088][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3524.513093][ C2] mptcp_try_fallback+0x14b/0x360 [ 3524.513097][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3524.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3524.513107][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3524.513110][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3524.513115][ C2] __mptcp_retrans+0x42a/0x960 [ 3524.513121][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3524.513126][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3524.513135][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3524.513143][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3524.513146][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3524.513149][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3524.513152][ C2] ? lock_acquire+0x10c/0x170 [ 3524.513155][ C2] ? release_sock+0x1f/0x1d0 [ 3524.513162][ C2] release_sock+0x17f/0x1d0 [ 3524.513166][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3524.513174][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3524.513177][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3524.513181][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3524.513189][ C2] ? find_held_lock+0x2b/0x80 [ 3524.513193][ C2] sock_write_iter+0x3c1/0x520 [ 3524.513200][ C2] ? __up_write+0x1ad/0x530 [ 3524.513206][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3524.513213][ C2] ? ksys_write+0xf7/0x1d0 [ 3524.513221][ C2] vfs_write+0xc0c/0x1210 [ 3524.513226][ C2] ? ksys_write+0x137/0x1d0 [ 3524.513228][ C2] ? __lock_release+0x5d/0x170 [ 3524.513233][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3524.513237][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3524.513244][ C2] ksys_write+0x183/0x1d0 [ 3524.513248][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3524.513251][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3524.513259][ C2] do_syscall_64+0xc1/0x380 [ 3524.513265][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3524.513270][ C2] RIP: 0033:0x7f471c970337 [ 3524.513276][ 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 [ 3524.513279][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3524.513282][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3524.513284][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3524.513287][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3524.513289][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3524.513291][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3524.513297][ C2] [ 3552.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1237s! [mptcp_connect:16956] [ 3552.512949][ 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 [ 3552.512968][ C2] irq event stamp: 64230 [ 3552.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3552.512984][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3552.512989][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3552.512997][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3552.513006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3552.513012][ C2] Tainted: [L]=SOFTLOCKUP [ 3552.513014][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3552.513017][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 3552.513027][ 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 [ 3552.513030][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 3552.513034][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3552.513036][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3552.513038][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3552.513040][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3552.513042][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3552.513044][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3552.513047][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3552.513051][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3552.513053][ C2] PKRU: 55555554 [ 3552.513054][ C2] Call Trace: [ 3552.513059][ C2] [ 3552.513061][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3552.513070][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3552.513077][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3552.513083][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3552.513086][ C2] ? lock_acquire+0x10c/0x170 [ 3552.513092][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3552.513097][ C2] mptcp_try_fallback+0x14b/0x360 [ 3552.513101][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3552.513107][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3552.513110][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3552.513113][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3552.513118][ C2] __mptcp_retrans+0x42a/0x960 [ 3552.513124][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3552.513129][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3552.513139][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3552.513147][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3552.513149][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3552.513153][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3552.513155][ C2] ? lock_acquire+0x10c/0x170 [ 3552.513158][ C2] ? release_sock+0x1f/0x1d0 [ 3552.513166][ C2] release_sock+0x17f/0x1d0 [ 3552.513170][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3552.513178][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3552.513182][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3552.513186][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3552.513194][ C2] ? find_held_lock+0x2b/0x80 [ 3552.513199][ C2] sock_write_iter+0x3c1/0x520 [ 3552.513205][ C2] ? __up_write+0x1ad/0x530 [ 3552.513211][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3552.513218][ C2] ? ksys_write+0xf7/0x1d0 [ 3552.513226][ C2] vfs_write+0xc0c/0x1210 [ 3552.513230][ C2] ? ksys_write+0x137/0x1d0 [ 3552.513232][ C2] ? __lock_release+0x5d/0x170 [ 3552.513236][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3552.513240][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3552.513248][ C2] ksys_write+0x183/0x1d0 [ 3552.513252][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3552.513254][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3552.513263][ C2] do_syscall_64+0xc1/0x380 [ 3552.513268][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3552.513273][ C2] RIP: 0033:0x7f471c970337 [ 3552.513280][ 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 [ 3552.513283][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3552.513286][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3552.513288][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3552.513290][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3552.513292][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3552.513294][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3552.513301][ C2] [ 3564.957394][ T44] INFO: task mptcp_connect:16951 blocked for more than 1228 seconds. [ 3564.957778][ T44] Tainted: G L 6.16.0-rc6-virtme #1 [ 3564.958012][ T44] Blocked by coredump. [ 3564.958178][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3564.958528][ T44] task:mptcp_connect state:D stack:26032 pid:16951 tgid:16951 ppid:16948 task_flags:0x40010c flags:0x00004002 [ 3564.958886][ T44] Call Trace: [ 3564.959010][ T44] [ 3564.959176][ T44] __schedule+0x862/0x1b00 [ 3564.959361][ T44] ? try_to_wake_up+0x6b0/0xde0 [ 3564.959538][ T44] ? __pfx___schedule+0x10/0x10 [ 3564.959699][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3564.959938][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3564.960098][ T44] ? rcu_is_watching+0x12/0xc0 [ 3564.960260][ T44] ? rcu_is_watching+0x12/0xc0 [ 3564.960456][ T44] ? schedule+0x1ee/0x270 [ 3564.960586][ T44] ? rcu_is_watching+0x12/0xc0 [ 3564.960823][ T44] schedule+0xe2/0x270 [ 3564.960953][ T44] synchronize_rcu_expedited+0x379/0x450 [ 3564.961115][ T44] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 3564.961420][ T44] ? __pfx_autoremove_wake_function+0x10/0x10 [ 3564.961620][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3564.961786][ T44] ? rcu_is_watching+0x12/0xc0 [ 3564.961944][ T44] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 3564.962185][ T44] ? __up_write+0x1ad/0x530 [ 3564.962360][ T44] ? trace_lock_release+0x2a/0xd0 [ 3564.962522][ T44] namespace_unlock+0x440/0x7f0 [ 3564.962684][ T44] ? umount_tree+0x53d/0x1260 [ 3564.962932][ T44] ? __pfx_namespace_unlock+0x10/0x10 [ 3564.963095][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3564.963257][ T44] ? __pfx_umount_tree+0x10/0x10 [ 3564.963423][ T44] ? put_mnt_ns+0xc8/0xf0 [ 3564.963545][ T44] ? rcu_is_watching+0x12/0xc0 [ 3564.963800][ T44] put_mnt_ns+0xcd/0xf0 [ 3564.963926][ T44] free_nsproxy+0x39/0x330 [ 3564.964088][ T44] do_exit+0x5a2/0xea0 [ 3564.964213][ T44] ? do_raw_spin_lock+0x130/0x270 [ 3564.964376][ T44] ? __pfx_do_exit+0x10/0x10 [ 3564.964535][ T44] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3564.964695][ T44] ? rcu_is_watching+0x12/0xc0 [ 3564.964854][ T44] do_group_exit+0xb8/0x260 [ 3564.965109][ T44] __x64_sys_exit_group+0x3e/0x50 [ 3564.965280][ T44] x64_sys_call+0xf76/0x18a0 [ 3564.965447][ T44] do_syscall_64+0xc1/0x380 [ 3564.965608][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3564.965890][ T44] RIP: 0033:0x7f1e66bbcadd [ 3564.966060][ T44] RSP: 002b:00007ffe10f0a388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 3564.966301][ T44] RAX: ffffffffffffffda RBX: 00007f1e66cd89c0 RCX: 00007f1e66bbcadd [ 3564.966636][ T44] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 3564.966876][ T44] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028 [ 3564.967118][ T44] R10: 00007ffe10f0a210 R11: 0000000000000246 R12: 00007f1e66cd89c0 [ 3564.967448][ T44] R13: 00007f1e66cddf20 R14: 0000000000000001 R15: 00007f1e66cddf08 [ 3564.967712][ T44] [ 3564.967833][ T44] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 3564.968169][ T44] INFO: lockdep is turned off. [ 3569.053351][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1314501 jiffies s: 68525 root: 0x4/. [ 3569.053882][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3569.054094][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3569.054274][ C2] NMI backtrace for cpu 2 [ 3569.054289][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3569.054296][ C2] Tainted: [L]=SOFTLOCKUP [ 3569.054298][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3569.054300][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3569.054314][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3569.054319][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3569.054323][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3569.054326][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3569.054328][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3569.054330][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3569.054332][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3569.054335][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3569.054337][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3569.054341][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3569.054343][ C2] PKRU: 55555554 [ 3569.054345][ C2] Call Trace: [ 3569.054348][ C2] [ 3569.054353][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3569.054361][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3569.054368][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3569.054370][ C2] ? lock_acquire+0x10c/0x170 [ 3569.054375][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3569.054383][ C2] mptcp_try_fallback+0x14b/0x360 [ 3569.054388][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3569.054394][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3569.054397][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3569.054400][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3569.054405][ C2] __mptcp_retrans+0x42a/0x960 [ 3569.054411][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3569.054417][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3569.054425][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3569.054433][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3569.054436][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3569.054439][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3569.054442][ C2] ? lock_acquire+0x10c/0x170 [ 3569.054445][ C2] ? release_sock+0x1f/0x1d0 [ 3569.054452][ C2] release_sock+0x17f/0x1d0 [ 3569.054456][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3569.054464][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3569.054468][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3569.054472][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3569.054479][ C2] ? find_held_lock+0x2b/0x80 [ 3569.054484][ C2] sock_write_iter+0x3c1/0x520 [ 3569.054491][ C2] ? __up_write+0x1ad/0x530 [ 3569.054497][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3569.054504][ C2] ? ksys_write+0xf7/0x1d0 [ 3569.054512][ C2] vfs_write+0xc0c/0x1210 [ 3569.054516][ C2] ? ksys_write+0x137/0x1d0 [ 3569.054518][ C2] ? __lock_release+0x5d/0x170 [ 3569.054522][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3569.054526][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3569.054534][ C2] ksys_write+0x183/0x1d0 [ 3569.054537][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3569.054540][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3569.054548][ C2] do_syscall_64+0xc1/0x380 [ 3569.054553][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3569.054557][ C2] RIP: 0033:0x7f471c970337 [ 3569.054563][ 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 [ 3569.054566][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3569.054569][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3569.054572][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3569.054574][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3569.054576][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3569.054578][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3569.054584][ C2] [ 3576.568323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3576.568659][ C2] rcu: 2-....: (1350973 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=373747 [ 3576.569061][ C2] rcu: (t=1352051 jiffies g=1286133 q=26143 ncpus=4) [ 3576.569437][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3576.569445][ C2] Tainted: [L]=SOFTLOCKUP [ 3576.569446][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3576.569449][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3576.569463][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3576.569467][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3576.569471][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3576.569473][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3576.569475][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3576.569478][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3576.569480][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3576.569482][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3576.569485][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3576.569489][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3576.569491][ C2] PKRU: 55555554 [ 3576.569492][ C2] Call Trace: [ 3576.569494][ C2] [ 3576.569496][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3576.569504][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3576.569510][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3576.569513][ C2] ? lock_acquire+0x10c/0x170 [ 3576.569517][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3576.569526][ C2] mptcp_try_fallback+0x14b/0x360 [ 3576.569529][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3576.569536][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3576.569538][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3576.569541][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3576.569547][ C2] __mptcp_retrans+0x42a/0x960 [ 3576.569553][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3576.569558][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3576.569567][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3576.569575][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3576.569578][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3576.569581][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3576.569584][ C2] ? lock_acquire+0x10c/0x170 [ 3576.569587][ C2] ? release_sock+0x1f/0x1d0 [ 3576.569594][ C2] release_sock+0x17f/0x1d0 [ 3576.569598][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3576.569605][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3576.569610][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3576.569614][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3576.569621][ C2] ? find_held_lock+0x2b/0x80 [ 3576.569625][ C2] sock_write_iter+0x3c1/0x520 [ 3576.569631][ C2] ? __up_write+0x1ad/0x530 [ 3576.569636][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3576.569643][ C2] ? ksys_write+0xf7/0x1d0 [ 3576.569651][ C2] vfs_write+0xc0c/0x1210 [ 3576.569655][ C2] ? ksys_write+0x137/0x1d0 [ 3576.569658][ C2] ? __lock_release+0x5d/0x170 [ 3576.569662][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3576.569665][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3576.569673][ C2] ksys_write+0x183/0x1d0 [ 3576.569676][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3576.569679][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3576.569687][ C2] do_syscall_64+0xc1/0x380 [ 3576.569691][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3576.569695][ C2] RIP: 0033:0x7f471c970337 [ 3576.569700][ 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 [ 3576.569703][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3576.569706][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3576.569709][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3576.569710][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3576.569712][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3576.569714][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3576.569720][ C2] [ 3604.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1285s! [mptcp_connect:16956] [ 3604.512947][ 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 [ 3604.512966][ C2] irq event stamp: 64230 [ 3604.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3604.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3604.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3604.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3604.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3604.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 3604.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3604.513016][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3604.513022][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3604.513025][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3604.513029][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3604.513031][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3604.513033][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3604.513035][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3604.513037][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3604.513040][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3604.513042][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3604.513046][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3604.513048][ C2] PKRU: 55555554 [ 3604.513050][ C2] Call Trace: [ 3604.513054][ C2] [ 3604.513058][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3604.513066][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3604.513073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3604.513076][ C2] ? lock_acquire+0x10c/0x170 [ 3604.513080][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3604.513085][ C2] mptcp_try_fallback+0x14b/0x360 [ 3604.513090][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3604.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3604.513099][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3604.513102][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3604.513107][ C2] __mptcp_retrans+0x42a/0x960 [ 3604.513113][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3604.513119][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3604.513128][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3604.513136][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3604.513139][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3604.513142][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3604.513145][ C2] ? lock_acquire+0x10c/0x170 [ 3604.513148][ C2] ? release_sock+0x1f/0x1d0 [ 3604.513155][ C2] release_sock+0x17f/0x1d0 [ 3604.513159][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3604.513167][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3604.513171][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3604.513175][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3604.513182][ C2] ? find_held_lock+0x2b/0x80 [ 3604.513187][ C2] sock_write_iter+0x3c1/0x520 [ 3604.513194][ C2] ? __up_write+0x1ad/0x530 [ 3604.513199][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3604.513206][ C2] ? ksys_write+0xf7/0x1d0 [ 3604.513215][ C2] vfs_write+0xc0c/0x1210 [ 3604.513219][ C2] ? ksys_write+0x137/0x1d0 [ 3604.513222][ C2] ? __lock_release+0x5d/0x170 [ 3604.513226][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3604.513230][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3604.513237][ C2] ksys_write+0x183/0x1d0 [ 3604.513241][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3604.513244][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3604.513253][ C2] do_syscall_64+0xc1/0x380 [ 3604.513258][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3604.513263][ C2] RIP: 0033:0x7f471c970337 [ 3604.513269][ 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 [ 3604.513272][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3604.513275][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3604.513278][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3604.513280][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3604.513282][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3604.513284][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3604.513290][ C2] [ 3632.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1312s! [mptcp_connect:16956] [ 3632.512948][ 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 [ 3632.512967][ C2] irq event stamp: 64230 [ 3632.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3632.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3632.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3632.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3632.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3632.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 3632.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3632.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3632.513021][ 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 [ 3632.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3632.513028][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3632.513030][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3632.513032][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3632.513034][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3632.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3632.513038][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3632.513041][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3632.513045][ C2] CR2: 00007ffc12f1b468 CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3632.513047][ C2] PKRU: 55555554 [ 3632.513048][ C2] Call Trace: [ 3632.513053][ C2] [ 3632.513059][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3632.513067][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3632.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3632.513076][ C2] ? lock_acquire+0x10c/0x170 [ 3632.513081][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3632.513086][ C2] mptcp_try_fallback+0x14b/0x360 [ 3632.513090][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3632.513097][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3632.513100][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3632.513103][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3632.513108][ C2] __mptcp_retrans+0x42a/0x960 [ 3632.513114][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3632.513120][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3632.513129][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3632.513136][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3632.513139][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3632.513143][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3632.513145][ C2] ? lock_acquire+0x10c/0x170 [ 3632.513148][ C2] ? release_sock+0x1f/0x1d0 [ 3632.513156][ C2] release_sock+0x17f/0x1d0 [ 3632.513160][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3632.513168][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3632.513172][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3632.513176][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3632.513183][ C2] ? find_held_lock+0x2b/0x80 [ 3632.513187][ C2] sock_write_iter+0x3c1/0x520 [ 3632.513194][ C2] ? __up_write+0x1ad/0x530 [ 3632.513199][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3632.513206][ C2] ? ksys_write+0xf7/0x1d0 [ 3632.513214][ C2] vfs_write+0xc0c/0x1210 [ 3632.513218][ C2] ? ksys_write+0x137/0x1d0 [ 3632.513221][ C2] ? __lock_release+0x5d/0x170 [ 3632.513225][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3632.513229][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3632.513237][ C2] ksys_write+0x183/0x1d0 [ 3632.513241][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3632.513244][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3632.513252][ C2] do_syscall_64+0xc1/0x380 [ 3632.513257][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3632.513262][ C2] RIP: 0033:0x7f471c970337 [ 3632.513287][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3632.513289][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3632.513292][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3632.513294][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3632.513296][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3632.513299][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3632.513301][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3632.513307][ C2] [ 3654.571323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3654.571736][ C2] rcu: 2-....: (1428926 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=412538 [ 3654.572237][ C2] rcu: (t=1430054 jiffies g=1286133 q=28941 ncpus=4) [ 3654.572475][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3654.572482][ C2] Tainted: [L]=SOFTLOCKUP [ 3654.572484][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3654.572487][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3654.572501][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3654.572505][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3654.572509][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3654.572511][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3654.572513][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3654.572515][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3654.572517][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3654.572519][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3654.572522][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3654.572526][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3654.572528][ C2] PKRU: 55555554 [ 3654.572529][ C2] Call Trace: [ 3654.572530][ C2] [ 3654.572532][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3654.572541][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3654.572547][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3654.572550][ C2] ? lock_acquire+0x10c/0x170 [ 3654.572555][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3654.572564][ C2] mptcp_try_fallback+0x14b/0x360 [ 3654.572567][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3654.572574][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3654.572576][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3654.572579][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3654.572584][ C2] __mptcp_retrans+0x42a/0x960 [ 3654.572590][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3654.572595][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3654.572604][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3654.572612][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3654.572615][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3654.572618][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3654.572621][ C2] ? lock_acquire+0x10c/0x170 [ 3654.572624][ C2] ? release_sock+0x1f/0x1d0 [ 3654.572631][ C2] release_sock+0x17f/0x1d0 [ 3654.572634][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3654.572641][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3654.572645][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3654.572649][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3654.572656][ C2] ? find_held_lock+0x2b/0x80 [ 3654.572660][ C2] sock_write_iter+0x3c1/0x520 [ 3654.572666][ C2] ? __up_write+0x1ad/0x530 [ 3654.572672][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3654.572678][ C2] ? ksys_write+0xf7/0x1d0 [ 3654.572686][ C2] vfs_write+0xc0c/0x1210 [ 3654.572689][ C2] ? ksys_write+0x137/0x1d0 [ 3654.572692][ C2] ? __lock_release+0x5d/0x170 [ 3654.572696][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3654.572700][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3654.572707][ C2] ksys_write+0x183/0x1d0 [ 3654.572711][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3654.572713][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3654.572721][ C2] do_syscall_64+0xc1/0x380 [ 3654.572726][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3654.572730][ C2] RIP: 0033:0x7f471c970337 [ 3654.572741][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3654.572743][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3654.572746][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3654.572749][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3654.572751][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3654.572753][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3654.572755][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3654.572761][ C2] [ 3667.357359][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1412805 jiffies s: 68525 root: 0x4/. [ 3667.357878][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3667.358078][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3667.358253][ C2] NMI backtrace for cpu 2 [ 3667.358267][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3667.358274][ C2] Tainted: [L]=SOFTLOCKUP [ 3667.358276][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3667.358278][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 3667.358290][ 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 [ 3667.358293][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 3667.358298][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 3667.358300][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 3667.358302][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 3667.358305][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 3667.358307][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 3667.358309][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3667.358311][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3667.358316][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3667.358318][ C2] PKRU: 55555554 [ 3667.358320][ C2] Call Trace: [ 3667.358323][ C2] [ 3667.358324][ C2] ioapic_ack_level+0xcf/0x3d0 [ 3667.358334][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 3667.358343][ C2] __common_interrupt+0xad/0x1d0 [ 3667.358351][ C2] common_interrupt+0xb9/0xe0 [ 3667.358358][ C2] [ 3667.358359][ C2] [ 3667.358361][ C2] asm_common_interrupt+0x26/0x40 [ 3667.358366][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3667.358373][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3667.358376][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3667.358378][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3667.358380][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3667.358382][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3667.358384][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3667.358386][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3667.358390][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 3667.358397][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3667.358404][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3667.358409][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3667.358412][ C2] ? lock_acquire+0x10c/0x170 [ 3667.358416][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3667.358425][ C2] mptcp_try_fallback+0x14b/0x360 [ 3667.358429][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3667.358435][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3667.358438][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3667.358441][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3667.358446][ C2] __mptcp_retrans+0x42a/0x960 [ 3667.358452][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3667.358458][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3667.358466][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3667.358474][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3667.358477][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3667.358480][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3667.358482][ C2] ? lock_acquire+0x10c/0x170 [ 3667.358485][ C2] ? release_sock+0x1f/0x1d0 [ 3667.358492][ C2] release_sock+0x17f/0x1d0 [ 3667.358496][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3667.358504][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3667.358508][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3667.358512][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3667.358519][ C2] ? find_held_lock+0x2b/0x80 [ 3667.358523][ C2] sock_write_iter+0x3c1/0x520 [ 3667.358529][ C2] ? __up_write+0x1ad/0x530 [ 3667.358535][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3667.358541][ C2] ? ksys_write+0xf7/0x1d0 [ 3667.358549][ C2] vfs_write+0xc0c/0x1210 [ 3667.358553][ C2] ? ksys_write+0x137/0x1d0 [ 3667.358555][ C2] ? __lock_release+0x5d/0x170 [ 3667.358559][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3667.358563][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3667.358570][ C2] ksys_write+0x183/0x1d0 [ 3667.358574][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3667.358577][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3667.358585][ C2] do_syscall_64+0xc1/0x380 [ 3667.358588][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3667.358591][ C2] RIP: 0033:0x7f471c970337 [ 3667.358601][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3667.358603][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3667.358606][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3667.358608][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3667.358611][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3667.358613][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3667.358614][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3667.358620][ C2] [ 3692.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1367s! [mptcp_connect:16956] [ 3692.512952][ 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 [ 3692.512971][ C2] irq event stamp: 64230 [ 3692.512973][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3692.512987][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3692.512992][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3692.513000][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3692.513010][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3692.513016][ C2] Tainted: [L]=SOFTLOCKUP [ 3692.513018][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3692.513021][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3692.513027][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3692.513030][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3692.513034][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3692.513036][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3692.513038][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3692.513040][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3692.513042][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3692.513045][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3692.513047][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3692.513052][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3692.513054][ C2] PKRU: 55555554 [ 3692.513055][ C2] Call Trace: [ 3692.513060][ C2] [ 3692.513066][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3692.513074][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3692.513081][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3692.513084][ C2] ? lock_acquire+0x10c/0x170 [ 3692.513089][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3692.513094][ C2] mptcp_try_fallback+0x14b/0x360 [ 3692.513098][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3692.513105][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3692.513108][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3692.513112][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3692.513116][ C2] __mptcp_retrans+0x42a/0x960 [ 3692.513123][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3692.513129][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3692.513138][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3692.513146][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3692.513149][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3692.513152][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3692.513155][ C2] ? lock_acquire+0x10c/0x170 [ 3692.513158][ C2] ? release_sock+0x1f/0x1d0 [ 3692.513166][ C2] release_sock+0x17f/0x1d0 [ 3692.513170][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3692.513178][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3692.513182][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3692.513186][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3692.513194][ C2] ? find_held_lock+0x2b/0x80 [ 3692.513198][ C2] sock_write_iter+0x3c1/0x520 [ 3692.513205][ C2] ? __up_write+0x1ad/0x530 [ 3692.513210][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3692.513217][ C2] ? ksys_write+0xf7/0x1d0 [ 3692.513226][ C2] vfs_write+0xc0c/0x1210 [ 3692.513230][ C2] ? ksys_write+0x137/0x1d0 [ 3692.513233][ C2] ? __lock_release+0x5d/0x170 [ 3692.513237][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3692.513241][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3692.513249][ C2] ksys_write+0x183/0x1d0 [ 3692.513252][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3692.513255][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3692.513264][ C2] do_syscall_64+0xc1/0x380 [ 3692.513269][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3692.513274][ C2] RIP: 0033:0x7f471c970337 [ 3692.513286][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3692.513287][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3692.513291][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3692.513293][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3692.513296][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3692.513298][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3692.513300][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3692.513306][ C2] [ 3720.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1393s! [mptcp_connect:16956] [ 3720.512946][ 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 [ 3720.512964][ C2] irq event stamp: 64230 [ 3720.512966][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3720.512979][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3720.512984][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3720.512993][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3720.513001][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3720.513007][ C2] Tainted: [L]=SOFTLOCKUP [ 3720.513009][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3720.513011][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3720.513017][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3720.513020][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3720.513023][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3720.513025][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3720.513028][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3720.513029][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3720.513031][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3720.513034][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3720.513036][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3720.513040][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3720.513042][ C2] PKRU: 55555554 [ 3720.513043][ C2] Call Trace: [ 3720.513048][ C2] [ 3720.513052][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3720.513060][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3720.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3720.513071][ C2] ? lock_acquire+0x10c/0x170 [ 3720.513076][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3720.513081][ C2] mptcp_try_fallback+0x14b/0x360 [ 3720.513086][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3720.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3720.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3720.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3720.513103][ C2] __mptcp_retrans+0x42a/0x960 [ 3720.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3720.513114][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3720.513124][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3720.513132][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3720.513135][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3720.513138][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3720.513141][ C2] ? lock_acquire+0x10c/0x170 [ 3720.513143][ C2] ? release_sock+0x1f/0x1d0 [ 3720.513151][ C2] release_sock+0x17f/0x1d0 [ 3720.513155][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3720.513163][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3720.513167][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3720.513171][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3720.513179][ C2] ? find_held_lock+0x2b/0x80 [ 3720.513183][ C2] sock_write_iter+0x3c1/0x520 [ 3720.513190][ C2] ? __up_write+0x1ad/0x530 [ 3720.513196][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3720.513203][ C2] ? ksys_write+0xf7/0x1d0 [ 3720.513212][ C2] vfs_write+0xc0c/0x1210 [ 3720.513216][ C2] ? ksys_write+0x137/0x1d0 [ 3720.513218][ C2] ? __lock_release+0x5d/0x170 [ 3720.513222][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3720.513226][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3720.513234][ C2] ksys_write+0x183/0x1d0 [ 3720.513238][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3720.513241][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3720.513249][ C2] do_syscall_64+0xc1/0x380 [ 3720.513255][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3720.513259][ C2] RIP: 0033:0x7f471c970337 [ 3720.513269][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3720.513271][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3720.513274][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3720.513277][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3720.513279][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3720.513280][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3720.513282][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3720.513288][ C2] [ 3732.574322][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3732.574675][ C2] rcu: 2-....: (1506862 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=451106 [ 3732.575207][ C2] rcu: (t=1508057 jiffies g=1286133 q=30367 ncpus=4) [ 3732.575460][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3732.575466][ C2] Tainted: [L]=SOFTLOCKUP [ 3732.575468][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3732.575470][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3732.575479][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3732.575482][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3732.575487][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3732.575489][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3732.575491][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3732.575493][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3732.575495][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3732.575497][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3732.575500][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3732.575504][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3732.575506][ C2] PKRU: 55555554 [ 3732.575508][ C2] Call Trace: [ 3732.575509][ C2] [ 3732.575511][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3732.575519][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3732.575524][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3732.575526][ C2] ? lock_acquire+0x10c/0x170 [ 3732.575530][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3732.575537][ C2] mptcp_try_fallback+0x14b/0x360 [ 3732.575541][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3732.575547][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3732.575550][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3732.575553][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3732.575558][ C2] __mptcp_retrans+0x42a/0x960 [ 3732.575563][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3732.575568][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3732.575575][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3732.575583][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3732.575585][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3732.575589][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3732.575591][ C2] ? lock_acquire+0x10c/0x170 [ 3732.575594][ C2] ? release_sock+0x1f/0x1d0 [ 3732.575600][ C2] release_sock+0x17f/0x1d0 [ 3732.575604][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3732.575611][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3732.575615][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3732.575619][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3732.575624][ C2] ? find_held_lock+0x2b/0x80 [ 3732.575628][ C2] sock_write_iter+0x3c1/0x520 [ 3732.575633][ C2] ? __up_write+0x1ad/0x530 [ 3732.575638][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3732.575644][ C2] ? ksys_write+0xf7/0x1d0 [ 3732.575651][ C2] vfs_write+0xc0c/0x1210 [ 3732.575654][ C2] ? ksys_write+0x137/0x1d0 [ 3732.575657][ C2] ? __lock_release+0x5d/0x170 [ 3732.575660][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3732.575664][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3732.575672][ C2] ksys_write+0x183/0x1d0 [ 3732.575675][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3732.575677][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3732.575684][ C2] do_syscall_64+0xc1/0x380 [ 3732.575688][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3732.575691][ C2] RIP: 0033:0x7f471c970337 [ 3732.575699][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3732.575701][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3732.575704][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3732.575706][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3732.575708][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3732.575710][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3732.575712][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3732.575718][ C2] [ 3760.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1431s! [mptcp_connect:16956] [ 3760.512945][ 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 [ 3760.512961][ C2] irq event stamp: 64230 [ 3760.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3760.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3760.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3760.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3760.512991][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3760.512997][ C2] Tainted: [L]=SOFTLOCKUP [ 3760.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3760.513001][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3760.513006][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3760.513009][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3760.513012][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3760.513014][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3760.513016][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3760.513018][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3760.513020][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3760.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3760.513025][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3760.513029][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3760.513031][ C2] PKRU: 55555554 [ 3760.513032][ C2] Call Trace: [ 3760.513036][ C2] [ 3760.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3760.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3760.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3760.513057][ C2] ? lock_acquire+0x10c/0x170 [ 3760.513060][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3760.513065][ C2] mptcp_try_fallback+0x14b/0x360 [ 3760.513069][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3760.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3760.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3760.513081][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3760.513086][ C2] __mptcp_retrans+0x42a/0x960 [ 3760.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3760.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3760.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3760.513113][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3760.513115][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3760.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3760.513121][ C2] ? lock_acquire+0x10c/0x170 [ 3760.513124][ C2] ? release_sock+0x1f/0x1d0 [ 3760.513130][ C2] release_sock+0x17f/0x1d0 [ 3760.513133][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3760.513141][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3760.513145][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3760.513149][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3760.513155][ C2] ? find_held_lock+0x2b/0x80 [ 3760.513159][ C2] sock_write_iter+0x3c1/0x520 [ 3760.513164][ C2] ? __up_write+0x1ad/0x530 [ 3760.513168][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3760.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 3760.513182][ C2] vfs_write+0xc0c/0x1210 [ 3760.513186][ C2] ? ksys_write+0x137/0x1d0 [ 3760.513188][ C2] ? __lock_release+0x5d/0x170 [ 3760.513192][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3760.513196][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3760.513203][ C2] ksys_write+0x183/0x1d0 [ 3760.513206][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3760.513209][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3760.513216][ C2] do_syscall_64+0xc1/0x380 [ 3760.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3760.513225][ C2] RIP: 0033:0x7f471c970337 [ 3760.513233][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3760.513235][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3760.513238][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3760.513240][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3760.513242][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3760.513244][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3760.513246][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3760.513252][ C2] [ 3765.661349][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1511109 jiffies s: 68525 root: 0x4/. [ 3765.661846][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3765.662045][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3765.662298][ C2] NMI backtrace for cpu 2 [ 3765.662309][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3765.662316][ C2] Tainted: [L]=SOFTLOCKUP [ 3765.662318][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3765.662320][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3765.662330][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3765.662333][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3765.662337][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3765.662340][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3765.662342][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3765.662344][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3765.662346][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3765.662348][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3765.662351][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3765.662355][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3765.662357][ C2] PKRU: 55555554 [ 3765.662358][ C2] Call Trace: [ 3765.662361][ C2] [ 3765.662365][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3765.662373][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3765.662378][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3765.662381][ C2] ? lock_acquire+0x10c/0x170 [ 3765.662384][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3765.662391][ C2] mptcp_try_fallback+0x14b/0x360 [ 3765.662396][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3765.662402][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3765.662405][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3765.662407][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3765.662412][ C2] __mptcp_retrans+0x42a/0x960 [ 3765.662418][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3765.662423][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3765.662431][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3765.662438][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3765.662441][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3765.662444][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3765.662447][ C2] ? lock_acquire+0x10c/0x170 [ 3765.662450][ C2] ? release_sock+0x1f/0x1d0 [ 3765.662456][ C2] release_sock+0x17f/0x1d0 [ 3765.662460][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3765.662468][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3765.662472][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3765.662476][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3765.662481][ C2] ? find_held_lock+0x2b/0x80 [ 3765.662485][ C2] sock_write_iter+0x3c1/0x520 [ 3765.662491][ C2] ? __up_write+0x1ad/0x530 [ 3765.662495][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3765.662502][ C2] ? ksys_write+0xf7/0x1d0 [ 3765.662508][ C2] vfs_write+0xc0c/0x1210 [ 3765.662512][ C2] ? ksys_write+0x137/0x1d0 [ 3765.662515][ C2] ? __lock_release+0x5d/0x170 [ 3765.662519][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3765.662522][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3765.662529][ C2] ksys_write+0x183/0x1d0 [ 3765.662533][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3765.662535][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3765.662542][ C2] do_syscall_64+0xc1/0x380 [ 3765.662546][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3765.662550][ C2] RIP: 0033:0x7f471c970337 [ 3765.662559][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3765.662561][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3765.662564][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3765.662566][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3765.662568][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3765.662570][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3765.662572][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3765.662578][ C2] [ 3792.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1461s! [mptcp_connect:16956] [ 3792.512946][ 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 [ 3792.512962][ C2] irq event stamp: 64230 [ 3792.512964][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3792.512974][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3792.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3792.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3792.512993][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3792.512998][ C2] Tainted: [L]=SOFTLOCKUP [ 3792.513000][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3792.513003][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3792.513008][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3792.513011][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3792.513014][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3792.513016][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3792.513018][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3792.513020][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3792.513022][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3792.513024][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3792.513027][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3792.513030][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3792.513033][ C2] PKRU: 55555554 [ 3792.513034][ C2] Call Trace: [ 3792.513038][ C2] [ 3792.513042][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3792.513050][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3792.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3792.513058][ C2] ? lock_acquire+0x10c/0x170 [ 3792.513063][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3792.513067][ C2] mptcp_try_fallback+0x14b/0x360 [ 3792.513072][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3792.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3792.513081][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3792.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3792.513089][ C2] __mptcp_retrans+0x42a/0x960 [ 3792.513095][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3792.513100][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3792.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3792.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3792.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3792.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3792.513123][ C2] ? lock_acquire+0x10c/0x170 [ 3792.513126][ C2] ? release_sock+0x1f/0x1d0 [ 3792.513133][ C2] release_sock+0x17f/0x1d0 [ 3792.513136][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3792.513144][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3792.513148][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3792.513152][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3792.513158][ C2] ? find_held_lock+0x2b/0x80 [ 3792.513162][ C2] sock_write_iter+0x3c1/0x520 [ 3792.513167][ C2] ? __up_write+0x1ad/0x530 [ 3792.513172][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3792.513179][ C2] ? ksys_write+0xf7/0x1d0 [ 3792.513185][ C2] vfs_write+0xc0c/0x1210 [ 3792.513189][ C2] ? ksys_write+0x137/0x1d0 [ 3792.513192][ C2] ? __lock_release+0x5d/0x170 [ 3792.513195][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3792.513199][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3792.513207][ C2] ksys_write+0x183/0x1d0 [ 3792.513215][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3792.513219][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3792.513230][ C2] do_syscall_64+0xc1/0x380 [ 3792.513235][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3792.513241][ C2] RIP: 0033:0x7f471c970337 [ 3792.513251][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3792.513254][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3792.513259][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3792.513262][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3792.513264][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3792.513267][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3792.513270][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3792.513278][ C2] [ 3810.577323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3810.577729][ C2] rcu: 2-....: (1584798 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=490020 [ 3810.578128][ C2] rcu: (t=1586060 jiffies g=1286133 q=31712 ncpus=4) [ 3810.578511][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3810.578517][ C2] Tainted: [L]=SOFTLOCKUP [ 3810.578519][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3810.578521][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3810.578531][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3810.578535][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3810.578538][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3810.578540][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3810.578542][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3810.578544][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3810.578546][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3810.578548][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3810.578551][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3810.578554][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3810.578556][ C2] PKRU: 55555554 [ 3810.578558][ C2] Call Trace: [ 3810.578559][ C2] [ 3810.578561][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3810.578569][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3810.578574][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3810.578577][ C2] ? lock_acquire+0x10c/0x170 [ 3810.578581][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3810.578588][ C2] mptcp_try_fallback+0x14b/0x360 [ 3810.578592][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3810.578598][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3810.578600][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3810.578603][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3810.578608][ C2] __mptcp_retrans+0x42a/0x960 [ 3810.578614][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3810.578619][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3810.578627][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3810.578634][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3810.578636][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3810.578639][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3810.578642][ C2] ? lock_acquire+0x10c/0x170 [ 3810.578645][ C2] ? release_sock+0x1f/0x1d0 [ 3810.578651][ C2] release_sock+0x17f/0x1d0 [ 3810.578655][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3810.578662][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3810.578666][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3810.578670][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3810.578676][ C2] ? find_held_lock+0x2b/0x80 [ 3810.578680][ C2] sock_write_iter+0x3c1/0x520 [ 3810.578684][ C2] ? __up_write+0x1ad/0x530 [ 3810.578689][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3810.578696][ C2] ? ksys_write+0xf7/0x1d0 [ 3810.578702][ C2] vfs_write+0xc0c/0x1210 [ 3810.578706][ C2] ? ksys_write+0x137/0x1d0 [ 3810.578708][ C2] ? __lock_release+0x5d/0x170 [ 3810.578712][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3810.578715][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3810.578723][ C2] ksys_write+0x183/0x1d0 [ 3810.578726][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3810.578729][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3810.578736][ C2] do_syscall_64+0xc1/0x380 [ 3810.578739][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3810.578743][ C2] RIP: 0033:0x7f471c970337 [ 3810.578751][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3810.578753][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3810.578756][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3810.578758][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3810.578760][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3810.578761][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3810.578763][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3810.578769][ C2] [ 3836.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1502s! [mptcp_connect:16956] [ 3836.512946][ 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 [ 3836.512962][ C2] irq event stamp: 64230 [ 3836.512963][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3836.512974][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3836.512979][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3836.512985][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3836.512993][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3836.512998][ C2] Tainted: [L]=SOFTLOCKUP [ 3836.513000][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3836.513003][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3836.513008][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3836.513011][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3836.513014][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3836.513016][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3836.513018][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3836.513020][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3836.513022][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3836.513024][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3836.513027][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3836.513031][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3836.513033][ C2] PKRU: 55555554 [ 3836.513034][ C2] Call Trace: [ 3836.513038][ C2] [ 3836.513043][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3836.513051][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3836.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3836.513059][ C2] ? lock_acquire+0x10c/0x170 [ 3836.513063][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3836.513067][ C2] mptcp_try_fallback+0x14b/0x360 [ 3836.513072][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3836.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3836.513081][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3836.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3836.513089][ C2] __mptcp_retrans+0x42a/0x960 [ 3836.513095][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3836.513100][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3836.513108][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3836.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3836.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3836.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3836.513123][ C2] ? lock_acquire+0x10c/0x170 [ 3836.513126][ C2] ? release_sock+0x1f/0x1d0 [ 3836.513132][ C2] release_sock+0x17f/0x1d0 [ 3836.513136][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3836.513144][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3836.513148][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3836.513152][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3836.513157][ C2] ? find_held_lock+0x2b/0x80 [ 3836.513162][ C2] sock_write_iter+0x3c1/0x520 [ 3836.513167][ C2] ? __up_write+0x1ad/0x530 [ 3836.513172][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3836.513179][ C2] ? ksys_write+0xf7/0x1d0 [ 3836.513185][ C2] vfs_write+0xc0c/0x1210 [ 3836.513190][ C2] ? ksys_write+0x137/0x1d0 [ 3836.513192][ C2] ? __lock_release+0x5d/0x170 [ 3836.513196][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3836.513200][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3836.513207][ C2] ksys_write+0x183/0x1d0 [ 3836.513211][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3836.513213][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3836.513220][ C2] do_syscall_64+0xc1/0x380 [ 3836.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3836.513229][ C2] RIP: 0033:0x7f471c970337 [ 3836.513238][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3836.513239][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3836.513242][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3836.513244][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3836.513246][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3836.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3836.513250][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3836.513256][ C2] [ 3863.965346][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1609413 jiffies s: 68525 root: 0x4/. [ 3863.965883][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3863.966121][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3863.966397][ C2] NMI backtrace for cpu 2 [ 3863.966408][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3863.966414][ C2] Tainted: [L]=SOFTLOCKUP [ 3863.966416][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3863.966418][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3863.966428][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3863.966431][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3863.966434][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3863.966437][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3863.966439][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3863.966441][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3863.966443][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3863.966445][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3863.966447][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3863.966451][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3863.966454][ C2] PKRU: 55555554 [ 3863.966455][ C2] Call Trace: [ 3863.966458][ C2] [ 3863.966462][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3863.966469][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3863.966476][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3863.966478][ C2] ? lock_acquire+0x10c/0x170 [ 3863.966482][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3863.966489][ C2] mptcp_try_fallback+0x14b/0x360 [ 3863.966493][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3863.966501][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3863.966503][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3863.966507][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3863.966512][ C2] __mptcp_retrans+0x42a/0x960 [ 3863.966517][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3863.966523][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3863.966530][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3863.966537][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3863.966540][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3863.966543][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3863.966547][ C2] ? lock_acquire+0x10c/0x170 [ 3863.966550][ C2] ? release_sock+0x1f/0x1d0 [ 3863.966556][ C2] release_sock+0x17f/0x1d0 [ 3863.966560][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3863.966568][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3863.966572][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3863.966576][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3863.966581][ C2] ? find_held_lock+0x2b/0x80 [ 3863.966586][ C2] sock_write_iter+0x3c1/0x520 [ 3863.966591][ C2] ? __up_write+0x1ad/0x530 [ 3863.966596][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3863.966602][ C2] ? ksys_write+0xf7/0x1d0 [ 3863.966609][ C2] vfs_write+0xc0c/0x1210 [ 3863.966612][ C2] ? ksys_write+0x137/0x1d0 [ 3863.966615][ C2] ? __lock_release+0x5d/0x170 [ 3863.966619][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3863.966623][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3863.966630][ C2] ksys_write+0x183/0x1d0 [ 3863.966633][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3863.966636][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3863.966643][ C2] do_syscall_64+0xc1/0x380 [ 3863.966647][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3863.966651][ C2] RIP: 0033:0x7f471c970337 [ 3863.966660][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3863.966661][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3863.966665][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3863.966667][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3863.966668][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3863.966670][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3863.966672][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3863.966678][ C2] [ 3888.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1550s! [mptcp_connect:16956] [ 3888.512945][ 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 [ 3888.512962][ C2] irq event stamp: 64230 [ 3888.512964][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3888.512973][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3888.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3888.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3888.512992][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3888.512997][ C2] Tainted: [L]=SOFTLOCKUP [ 3888.512999][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3888.513001][ C2] RIP: 0010:kasan_check_range+0x106/0x1c0 [ 3888.513010][ 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 [ 3888.513013][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000246 [ 3888.513016][ C2] RAX: ffffed100170bd67 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 3888.513019][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3888.513021][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 3888.513023][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3888.513024][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3888.513027][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3888.513029][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3888.513033][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3888.513035][ C2] PKRU: 55555554 [ 3888.513037][ C2] Call Trace: [ 3888.513040][ C2] [ 3888.513044][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3888.513050][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3888.513057][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3888.513062][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3888.513065][ C2] ? lock_acquire+0x10c/0x170 [ 3888.513068][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3888.513073][ C2] mptcp_try_fallback+0x14b/0x360 [ 3888.513078][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3888.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3888.513087][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3888.513090][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3888.513095][ C2] __mptcp_retrans+0x42a/0x960 [ 3888.513101][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3888.513106][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3888.513113][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3888.513121][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3888.513123][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3888.513126][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3888.513129][ C2] ? lock_acquire+0x10c/0x170 [ 3888.513132][ C2] ? release_sock+0x1f/0x1d0 [ 3888.513138][ C2] release_sock+0x17f/0x1d0 [ 3888.513142][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3888.513149][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3888.513153][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3888.513157][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3888.513163][ C2] ? find_held_lock+0x2b/0x80 [ 3888.513167][ C2] sock_write_iter+0x3c1/0x520 [ 3888.513172][ C2] ? __up_write+0x1ad/0x530 [ 3888.513177][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3888.513183][ C2] ? ksys_write+0xf7/0x1d0 [ 3888.513189][ C2] vfs_write+0xc0c/0x1210 [ 3888.513193][ C2] ? ksys_write+0x137/0x1d0 [ 3888.513195][ C2] ? __lock_release+0x5d/0x170 [ 3888.513199][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3888.513203][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3888.513210][ C2] ksys_write+0x183/0x1d0 [ 3888.513213][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3888.513216][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3888.513223][ C2] do_syscall_64+0xc1/0x380 [ 3888.513227][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3888.513232][ C2] RIP: 0033:0x7f471c970337 [ 3888.513241][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3888.513242][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3888.513245][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3888.513247][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3888.513249][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3888.513251][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3888.513253][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3888.513259][ C2] [ 3888.580320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3888.580728][ C2] rcu: 2-....: (1662733 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=528491 [ 3888.581284][ C2] rcu: (t=1664063 jiffies g=1286133 q=33060 ncpus=4) [ 3888.581553][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3888.581559][ C2] Tainted: [L]=SOFTLOCKUP [ 3888.581561][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3888.581563][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3888.581574][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3888.581577][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3888.581581][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3888.581583][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3888.581584][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3888.581586][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3888.581589][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3888.581591][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3888.581593][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3888.581598][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3888.581600][ C2] PKRU: 55555554 [ 3888.581601][ C2] Call Trace: [ 3888.581602][ C2] [ 3888.581605][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3888.581612][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3888.581617][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3888.581621][ C2] ? lock_acquire+0x10c/0x170 [ 3888.581625][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3888.581631][ C2] mptcp_try_fallback+0x14b/0x360 [ 3888.581635][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3888.581641][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3888.581644][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3888.581647][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3888.581652][ C2] __mptcp_retrans+0x42a/0x960 [ 3888.581658][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3888.581663][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3888.581670][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3888.581678][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3888.581680][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3888.581683][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3888.581686][ C2] ? lock_acquire+0x10c/0x170 [ 3888.581689][ C2] ? release_sock+0x1f/0x1d0 [ 3888.581695][ C2] release_sock+0x17f/0x1d0 [ 3888.581699][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3888.581706][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3888.581710][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3888.581714][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3888.581719][ C2] ? find_held_lock+0x2b/0x80 [ 3888.581723][ C2] sock_write_iter+0x3c1/0x520 [ 3888.581728][ C2] ? __up_write+0x1ad/0x530 [ 3888.581732][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3888.581739][ C2] ? ksys_write+0xf7/0x1d0 [ 3888.581745][ C2] vfs_write+0xc0c/0x1210 [ 3888.581748][ C2] ? ksys_write+0x137/0x1d0 [ 3888.581750][ C2] ? __lock_release+0x5d/0x170 [ 3888.581755][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3888.581758][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3888.581765][ C2] ksys_write+0x183/0x1d0 [ 3888.581769][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3888.581771][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3888.581778][ C2] do_syscall_64+0xc1/0x380 [ 3888.581782][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3888.581785][ C2] RIP: 0033:0x7f471c970337 [ 3888.581794][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3888.581795][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3888.581798][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3888.581800][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3888.581802][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3888.581804][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3888.581806][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3888.581812][ C2] [ 3916.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1576s! [mptcp_connect:16956] [ 3916.512942][ 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 [ 3916.512958][ C2] irq event stamp: 64230 [ 3916.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3916.512969][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3916.512973][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3916.512979][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3916.512987][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3916.512993][ C2] Tainted: [L]=SOFTLOCKUP [ 3916.512994][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3916.512996][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3916.513001][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3916.513005][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3916.513008][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3916.513010][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3916.513012][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3916.513014][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3916.513016][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3916.513018][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3916.513021][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3916.513025][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3916.513027][ C2] PKRU: 55555554 [ 3916.513028][ C2] Call Trace: [ 3916.513031][ C2] [ 3916.513035][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3916.513043][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3916.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3916.513050][ C2] ? lock_acquire+0x10c/0x170 [ 3916.513054][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3916.513059][ C2] mptcp_try_fallback+0x14b/0x360 [ 3916.513063][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3916.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3916.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3916.513075][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3916.513080][ C2] __mptcp_retrans+0x42a/0x960 [ 3916.513086][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3916.513091][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3916.513098][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3916.513106][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3916.513108][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3916.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3916.513114][ C2] ? lock_acquire+0x10c/0x170 [ 3916.513117][ C2] ? release_sock+0x1f/0x1d0 [ 3916.513123][ C2] release_sock+0x17f/0x1d0 [ 3916.513127][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3916.513134][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3916.513138][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3916.513142][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3916.513147][ C2] ? find_held_lock+0x2b/0x80 [ 3916.513151][ C2] sock_write_iter+0x3c1/0x520 [ 3916.513156][ C2] ? __up_write+0x1ad/0x530 [ 3916.513161][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3916.513168][ C2] ? ksys_write+0xf7/0x1d0 [ 3916.513175][ C2] vfs_write+0xc0c/0x1210 [ 3916.513178][ C2] ? ksys_write+0x137/0x1d0 [ 3916.513181][ C2] ? __lock_release+0x5d/0x170 [ 3916.513185][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3916.513188][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3916.513196][ C2] ksys_write+0x183/0x1d0 [ 3916.513199][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3916.513202][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3916.513209][ C2] do_syscall_64+0xc1/0x380 [ 3916.513214][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3916.513218][ C2] RIP: 0033:0x7f471c970337 [ 3916.513226][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3916.513227][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3916.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3916.513233][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3916.513234][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3916.513236][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3916.513238][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3916.513244][ C2] [ 3944.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1602s! [mptcp_connect:16956] [ 3944.512945][ 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 [ 3944.512961][ C2] irq event stamp: 64230 [ 3944.512963][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3944.512973][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3944.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3944.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3944.512992][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3944.512998][ C2] Tainted: [L]=SOFTLOCKUP [ 3944.513000][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3944.513002][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3944.513007][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3944.513010][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3944.513013][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3944.513016][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3944.513018][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3944.513020][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3944.513022][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3944.513024][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3944.513026][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3944.513030][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3944.513032][ C2] PKRU: 55555554 [ 3944.513033][ C2] Call Trace: [ 3944.513038][ C2] [ 3944.513042][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3944.513050][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3944.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3944.513058][ C2] ? lock_acquire+0x10c/0x170 [ 3944.513062][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3944.513067][ C2] mptcp_try_fallback+0x14b/0x360 [ 3944.513071][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3944.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3944.513080][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3944.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3944.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 3944.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3944.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3944.513106][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3944.513113][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3944.513116][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3944.513119][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3944.513122][ C2] ? lock_acquire+0x10c/0x170 [ 3944.513125][ C2] ? release_sock+0x1f/0x1d0 [ 3944.513131][ C2] release_sock+0x17f/0x1d0 [ 3944.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3944.513142][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3944.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3944.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3944.513155][ C2] ? find_held_lock+0x2b/0x80 [ 3944.513159][ C2] sock_write_iter+0x3c1/0x520 [ 3944.513165][ C2] ? __up_write+0x1ad/0x530 [ 3944.513170][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3944.513176][ C2] ? ksys_write+0xf7/0x1d0 [ 3944.513183][ C2] vfs_write+0xc0c/0x1210 [ 3944.513187][ C2] ? ksys_write+0x137/0x1d0 [ 3944.513189][ C2] ? __lock_release+0x5d/0x170 [ 3944.513193][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3944.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3944.513204][ C2] ksys_write+0x183/0x1d0 [ 3944.513208][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3944.513210][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3944.513217][ C2] do_syscall_64+0xc1/0x380 [ 3944.513222][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3944.513226][ C2] RIP: 0033:0x7f471c970337 [ 3944.513234][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3944.513236][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3944.513239][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3944.513241][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3944.513243][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3944.513245][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3944.513247][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3944.513253][ C2] [ 3962.269351][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1707717 jiffies s: 68525 root: 0x4/. [ 3962.269910][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 3962.270168][ T17] Sending NMI from CPU 0 to CPUs 2: [ 3962.270339][ C2] NMI backtrace for cpu 2 [ 3962.270349][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3962.270355][ C2] Tainted: [L]=SOFTLOCKUP [ 3962.270357][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3962.270360][ C2] RIP: 0010:kasan_check_range+0x4/0x1c0 [ 3962.270368][ 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 [ 3962.270371][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000246 [ 3962.270375][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3962.270377][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3962.270379][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3962.270381][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3962.270383][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3962.270385][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3962.270388][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3962.270392][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3962.270394][ C2] PKRU: 55555554 [ 3962.270396][ C2] Call Trace: [ 3962.270398][ C2] [ 3962.270400][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3962.270410][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3962.270417][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3962.270422][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3962.270425][ C2] ? lock_acquire+0x10c/0x170 [ 3962.270429][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3962.270436][ C2] mptcp_try_fallback+0x14b/0x360 [ 3962.270440][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3962.270447][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3962.270449][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3962.270452][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3962.270457][ C2] __mptcp_retrans+0x42a/0x960 [ 3962.270463][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3962.270468][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3962.270476][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3962.270483][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3962.270486][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3962.270489][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3962.270492][ C2] ? lock_acquire+0x10c/0x170 [ 3962.270495][ C2] ? release_sock+0x1f/0x1d0 [ 3962.270501][ C2] release_sock+0x17f/0x1d0 [ 3962.270504][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3962.270512][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3962.270516][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3962.270519][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3962.270525][ C2] ? find_held_lock+0x2b/0x80 [ 3962.270530][ C2] sock_write_iter+0x3c1/0x520 [ 3962.270535][ C2] ? __up_write+0x1ad/0x530 [ 3962.270539][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3962.270546][ C2] ? ksys_write+0xf7/0x1d0 [ 3962.270552][ C2] vfs_write+0xc0c/0x1210 [ 3962.270556][ C2] ? ksys_write+0x137/0x1d0 [ 3962.270558][ C2] ? __lock_release+0x5d/0x170 [ 3962.270562][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3962.270566][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3962.270573][ C2] ksys_write+0x183/0x1d0 [ 3962.270577][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3962.270579][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3962.270586][ C2] do_syscall_64+0xc1/0x380 [ 3962.270591][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3962.270595][ C2] RIP: 0033:0x7f471c970337 [ 3962.270604][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3962.270606][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3962.270610][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3962.270612][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3962.270614][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3962.270616][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3962.270617][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3962.270623][ C2] [ 3966.583320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3966.583690][ C2] rcu: 2-....: (1740669 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=567416 [ 3966.584192][ C2] rcu: (t=1742066 jiffies g=1286133 q=34408 ncpus=4) [ 3966.584439][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3966.584445][ C2] Tainted: [L]=SOFTLOCKUP [ 3966.584447][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3966.584450][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 3966.584459][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 3966.584463][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 3966.584466][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3966.584469][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3966.584471][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3966.584473][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3966.584474][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3966.584476][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3966.584479][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3966.584483][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3966.584485][ C2] PKRU: 55555554 [ 3966.584486][ C2] Call Trace: [ 3966.584488][ C2] [ 3966.584490][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3966.584498][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3966.584503][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3966.584505][ C2] ? lock_acquire+0x10c/0x170 [ 3966.584509][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3966.584516][ C2] mptcp_try_fallback+0x14b/0x360 [ 3966.584520][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3966.584526][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3966.584529][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3966.584532][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3966.584537][ C2] __mptcp_retrans+0x42a/0x960 [ 3966.584542][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3966.584548][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3966.584555][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3966.584563][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3966.584565][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3966.584568][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3966.584571][ C2] ? lock_acquire+0x10c/0x170 [ 3966.584574][ C2] ? release_sock+0x1f/0x1d0 [ 3966.584580][ C2] release_sock+0x17f/0x1d0 [ 3966.584583][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3966.584591][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3966.584595][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3966.584599][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3966.584604][ C2] ? find_held_lock+0x2b/0x80 [ 3966.584608][ C2] sock_write_iter+0x3c1/0x520 [ 3966.584614][ C2] ? __up_write+0x1ad/0x530 [ 3966.584618][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3966.584625][ C2] ? ksys_write+0xf7/0x1d0 [ 3966.584632][ C2] vfs_write+0xc0c/0x1210 [ 3966.584635][ C2] ? ksys_write+0x137/0x1d0 [ 3966.584637][ C2] ? __lock_release+0x5d/0x170 [ 3966.584641][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3966.584645][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3966.584652][ C2] ksys_write+0x183/0x1d0 [ 3966.584655][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3966.584658][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3966.584664][ C2] do_syscall_64+0xc1/0x380 [ 3966.584669][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3966.584672][ C2] RIP: 0033:0x7f471c970337 [ 3966.584681][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3966.584684][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3966.584687][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3966.584689][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3966.584690][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3966.584692][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3966.584694][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3966.584700][ C2] [ 3992.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1647s! [mptcp_connect:16956] [ 3992.512946][ 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 [ 3992.512962][ C2] irq event stamp: 64230 [ 3992.512964][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 3992.512973][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 3992.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 3992.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 3992.512992][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 3992.512997][ C2] Tainted: [L]=SOFTLOCKUP [ 3992.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3992.513001][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 3992.513008][ C2] Code: c7 c7 40 05 87 a3 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 [ 3992.513011][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 3992.513014][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 3992.513017][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 3992.513019][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 3992.513021][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 3992.513022][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 3992.513024][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 3992.513027][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3992.513031][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 3992.513033][ C2] PKRU: 55555554 [ 3992.513034][ C2] Call Trace: [ 3992.513038][ C2] [ 3992.513040][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 3992.513048][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 3992.513055][ C2] do_raw_spin_lock+0x1e8/0x270 [ 3992.513060][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3992.513062][ C2] ? lock_acquire+0x10c/0x170 [ 3992.513067][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 3992.513071][ C2] mptcp_try_fallback+0x14b/0x360 [ 3992.513076][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 3992.513082][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3992.513085][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 3992.513088][ C2] ? __mptcp_retrans+0x34a/0x960 [ 3992.513092][ C2] __mptcp_retrans+0x42a/0x960 [ 3992.513098][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 3992.513103][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 3992.513110][ C2] mptcp_release_cb+0x5eb/0xac0 [ 3992.513118][ C2] ? do_raw_spin_lock+0x130/0x270 [ 3992.513120][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 3992.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 3992.513126][ C2] ? lock_acquire+0x10c/0x170 [ 3992.513129][ C2] ? release_sock+0x1f/0x1d0 [ 3992.513135][ C2] release_sock+0x17f/0x1d0 [ 3992.513139][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 3992.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 3992.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 3992.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 3992.513159][ C2] ? find_held_lock+0x2b/0x80 [ 3992.513163][ C2] sock_write_iter+0x3c1/0x520 [ 3992.513169][ C2] ? __up_write+0x1ad/0x530 [ 3992.513174][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 3992.513180][ C2] ? ksys_write+0xf7/0x1d0 [ 3992.513186][ C2] vfs_write+0xc0c/0x1210 [ 3992.513190][ C2] ? ksys_write+0x137/0x1d0 [ 3992.513192][ C2] ? __lock_release+0x5d/0x170 [ 3992.513196][ C2] ? __pfx_vfs_write+0x10/0x10 [ 3992.513200][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 3992.513207][ C2] ksys_write+0x183/0x1d0 [ 3992.513211][ C2] ? __pfx_ksys_write+0x10/0x10 [ 3992.513214][ C2] ? do_user_addr_fault+0x959/0xe00 [ 3992.513221][ C2] do_syscall_64+0xc1/0x380 [ 3992.513226][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3992.513230][ C2] RIP: 0033:0x7f471c970337 [ 3992.513238][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 3992.513240][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 3992.513243][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 3992.513245][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 3992.513247][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 3992.513249][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 3992.513251][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 3992.513257][ C2] [ 4020.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1673s! [mptcp_connect:16956] [ 4020.512949][ 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 [ 4020.512968][ C2] irq event stamp: 64230 [ 4020.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4020.512984][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4020.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4020.512996][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4020.513006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4020.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 4020.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4020.513016][ C2] RIP: 0010:kasan_check_range+0x84/0x1c0 [ 4020.513025][ 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 [ 4020.513029][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000202 [ 4020.513033][ C2] RAX: ffffed100170bd66 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 4020.513035][ C2] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4020.513037][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 4020.513040][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4020.513042][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4020.513044][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4020.513047][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4020.513051][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4020.513053][ C2] PKRU: 55555554 [ 4020.513054][ C2] Call Trace: [ 4020.513059][ C2] [ 4020.513064][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4020.513071][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4020.513078][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4020.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4020.513088][ C2] ? lock_acquire+0x10c/0x170 [ 4020.513092][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4020.513097][ C2] mptcp_try_fallback+0x14b/0x360 [ 4020.513102][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4020.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4020.513112][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4020.513115][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4020.513120][ C2] __mptcp_retrans+0x42a/0x960 [ 4020.513126][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4020.513132][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4020.513141][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4020.513148][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4020.513151][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4020.513154][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4020.513158][ C2] ? lock_acquire+0x10c/0x170 [ 4020.513160][ C2] ? release_sock+0x1f/0x1d0 [ 4020.513169][ C2] release_sock+0x17f/0x1d0 [ 4020.513173][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4020.513181][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4020.513185][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4020.513189][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4020.513196][ C2] ? find_held_lock+0x2b/0x80 [ 4020.513201][ C2] sock_write_iter+0x3c1/0x520 [ 4020.513207][ C2] ? __up_write+0x1ad/0x530 [ 4020.513213][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4020.513219][ C2] ? ksys_write+0xf7/0x1d0 [ 4020.513226][ C2] vfs_write+0xc0c/0x1210 [ 4020.513231][ C2] ? ksys_write+0x137/0x1d0 [ 4020.513233][ C2] ? __lock_release+0x5d/0x170 [ 4020.513237][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4020.513241][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4020.513248][ C2] ksys_write+0x183/0x1d0 [ 4020.513252][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4020.513255][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4020.513263][ C2] do_syscall_64+0xc1/0x380 [ 4020.513268][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4020.513272][ C2] RIP: 0033:0x7f471c970337 [ 4020.513284][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4020.513286][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4020.513289][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4020.513291][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4020.513293][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4020.513295][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4020.513297][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4020.513303][ C2] [ 4044.586324][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4044.586883][ C2] rcu: 2-....: (1818623 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=606301 [ 4044.587296][ C2] rcu: (t=1820069 jiffies g=1286133 q=35437 ncpus=4) [ 4044.587546][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4044.587553][ C2] Tainted: [L]=SOFTLOCKUP [ 4044.587555][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4044.587557][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4044.587570][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4044.587574][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4044.587578][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4044.587581][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4044.587583][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4044.587585][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4044.587587][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4044.587589][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4044.587592][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4044.587596][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4044.587598][ C2] PKRU: 55555554 [ 4044.587599][ C2] Call Trace: [ 4044.587601][ C2] [ 4044.587603][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4044.587611][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4044.587617][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4044.587620][ C2] ? lock_acquire+0x10c/0x170 [ 4044.587625][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4044.587633][ C2] mptcp_try_fallback+0x14b/0x360 [ 4044.587636][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4044.587643][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4044.587646][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4044.587649][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4044.587654][ C2] __mptcp_retrans+0x42a/0x960 [ 4044.587660][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4044.587665][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4044.587675][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4044.587683][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4044.587686][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4044.587689][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4044.587691][ C2] ? lock_acquire+0x10c/0x170 [ 4044.587694][ C2] ? release_sock+0x1f/0x1d0 [ 4044.587702][ C2] release_sock+0x17f/0x1d0 [ 4044.587705][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4044.587712][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4044.587716][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4044.587720][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4044.587727][ C2] ? find_held_lock+0x2b/0x80 [ 4044.587731][ C2] sock_write_iter+0x3c1/0x520 [ 4044.587737][ C2] ? __up_write+0x1ad/0x530 [ 4044.587742][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4044.587749][ C2] ? ksys_write+0xf7/0x1d0 [ 4044.587757][ C2] vfs_write+0xc0c/0x1210 [ 4044.587760][ C2] ? ksys_write+0x137/0x1d0 [ 4044.587763][ C2] ? __lock_release+0x5d/0x170 [ 4044.587767][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4044.587771][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4044.587779][ C2] ksys_write+0x183/0x1d0 [ 4044.587782][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4044.587785][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4044.587793][ C2] do_syscall_64+0xc1/0x380 [ 4044.587797][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4044.587801][ C2] RIP: 0033:0x7f471c970337 [ 4044.587813][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4044.587815][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4044.587818][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4044.587820][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4044.587822][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4044.587824][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4044.587826][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4044.587832][ C2] [ 4060.573351][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1806021 jiffies s: 68525 root: 0x4/. [ 4060.573863][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4060.574135][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4060.574310][ C2] NMI backtrace for cpu 2 [ 4060.574327][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4060.574335][ C2] Tainted: [L]=SOFTLOCKUP [ 4060.574337][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4060.574339][ C2] RIP: 0010:note_interrupt+0x4a0/0x7e0 [ 4060.574350][ C2] Code: 80 3c 02 00 0f 85 51 03 00 00 48 c7 c0 00 12 a1 a3 49 8b 9f 90 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 1a 03 00 00 48 8b 05 53 1e 5e 03 48 29 c3 48 83 c3 64 0f 88 [ 4060.574353][ C2] RSP: 0018:ffffc90000218f18 EFLAGS: 00000046 [ 4060.574358][ C2] RAX: 1ffffffff4742240 RBX: 0000000100396000 RCX: b21a73b73db89644 [ 4060.574361][ C2] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800293e490 [ 4060.574363][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff490a2fa [ 4060.574366][ C2] R10: ffffffffa48517d7 R11: ffffc90000218ff8 R12: ffff88800293e47c [ 4060.574368][ C2] R13: ffff88800293e4a8 R14: ffff88800293e438 R15: ffff88800293e400 [ 4060.574370][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4060.574372][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4060.574377][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4060.574379][ C2] PKRU: 55555554 [ 4060.574380][ C2] Call Trace: [ 4060.574388][ C2] [ 4060.574393][ C2] handle_irq_event+0x16d/0x1c0 [ 4060.574400][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 4060.574406][ C2] __common_interrupt+0xad/0x1d0 [ 4060.574414][ C2] common_interrupt+0xb9/0xe0 [ 4060.574422][ C2] [ 4060.574423][ C2] [ 4060.574425][ C2] asm_common_interrupt+0x26/0x40 [ 4060.574430][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 4060.574437][ 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 [ 4060.574440][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4060.574442][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4060.574444][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4060.574446][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4060.574448][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4060.574450][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4060.574454][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 4060.574460][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4060.574467][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4060.574472][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4060.574475][ C2] ? lock_acquire+0x10c/0x170 [ 4060.574480][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4060.574488][ C2] mptcp_try_fallback+0x14b/0x360 [ 4060.574492][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4060.574499][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4060.574501][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4060.574504][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4060.574509][ C2] __mptcp_retrans+0x42a/0x960 [ 4060.574515][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4060.574521][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4060.574529][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4060.574537][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4060.574540][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4060.574543][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4060.574546][ C2] ? lock_acquire+0x10c/0x170 [ 4060.574548][ C2] ? release_sock+0x1f/0x1d0 [ 4060.574556][ C2] release_sock+0x17f/0x1d0 [ 4060.574559][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4060.574566][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4060.574571][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4060.574574][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4060.574581][ C2] ? find_held_lock+0x2b/0x80 [ 4060.574585][ C2] sock_write_iter+0x3c1/0x520 [ 4060.574591][ C2] ? __up_write+0x1ad/0x530 [ 4060.574597][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4060.574603][ C2] ? ksys_write+0xf7/0x1d0 [ 4060.574611][ C2] vfs_write+0xc0c/0x1210 [ 4060.574615][ C2] ? ksys_write+0x137/0x1d0 [ 4060.574618][ C2] ? __lock_release+0x5d/0x170 [ 4060.574622][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4060.574625][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4060.574633][ C2] ksys_write+0x183/0x1d0 [ 4060.574636][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4060.574639][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4060.574647][ C2] do_syscall_64+0xc1/0x380 [ 4060.574650][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4060.574654][ C2] RIP: 0033:0x7f471c970337 [ 4060.574665][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4060.574666][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4060.574670][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4060.574672][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4060.574674][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4060.574676][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4060.574678][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4060.574684][ C2] [ 4088.512938][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1736s! [mptcp_connect:16956] [ 4088.512952][ 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 [ 4088.512974][ C2] irq event stamp: 64230 [ 4088.512976][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4088.512990][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4088.512995][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4088.513002][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4088.513013][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4088.513020][ C2] Tainted: [L]=SOFTLOCKUP [ 4088.513022][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4088.513024][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 4088.513030][ 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 [ 4088.513034][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4088.513037][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4088.513040][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4088.513042][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4088.513044][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4088.513046][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4088.513048][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4088.513051][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4088.513055][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4088.513057][ C2] PKRU: 55555554 [ 4088.513059][ C2] Call Trace: [ 4088.513064][ C2] [ 4088.513070][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4088.513078][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4088.513085][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4088.513088][ C2] ? lock_acquire+0x10c/0x170 [ 4088.513093][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4088.513098][ C2] mptcp_try_fallback+0x14b/0x360 [ 4088.513102][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4088.513110][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4088.513113][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4088.513115][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4088.513121][ C2] __mptcp_retrans+0x42a/0x960 [ 4088.513127][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4088.513132][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4088.513141][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4088.513149][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4088.513152][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4088.513155][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4088.513158][ C2] ? lock_acquire+0x10c/0x170 [ 4088.513161][ C2] ? release_sock+0x1f/0x1d0 [ 4088.513168][ C2] release_sock+0x17f/0x1d0 [ 4088.513172][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4088.513180][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4088.513184][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4088.513188][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4088.513196][ C2] ? find_held_lock+0x2b/0x80 [ 4088.513200][ C2] sock_write_iter+0x3c1/0x520 [ 4088.513207][ C2] ? __up_write+0x1ad/0x530 [ 4088.513213][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4088.513219][ C2] ? ksys_write+0xf7/0x1d0 [ 4088.513228][ C2] vfs_write+0xc0c/0x1210 [ 4088.513232][ C2] ? ksys_write+0x137/0x1d0 [ 4088.513235][ C2] ? __lock_release+0x5d/0x170 [ 4088.513239][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4088.513243][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4088.513251][ C2] ksys_write+0x183/0x1d0 [ 4088.513255][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4088.513257][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4088.513266][ C2] do_syscall_64+0xc1/0x380 [ 4088.513271][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4088.513276][ C2] RIP: 0033:0x7f471c970337 [ 4088.513288][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4088.513290][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4088.513294][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4088.513296][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4088.513298][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4088.513300][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4088.513302][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4088.513308][ C2] [ 4116.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1762s! [mptcp_connect:16956] [ 4116.512948][ 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 [ 4116.512967][ C2] irq event stamp: 64230 [ 4116.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4116.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4116.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4116.512996][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4116.513006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4116.513012][ C2] Tainted: [L]=SOFTLOCKUP [ 4116.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4116.513016][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4116.513022][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4116.513025][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4116.513028][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4116.513031][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4116.513033][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4116.513035][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4116.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4116.513039][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4116.513041][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4116.513046][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4116.513049][ C2] PKRU: 55555554 [ 4116.513050][ C2] Call Trace: [ 4116.513054][ C2] [ 4116.513058][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4116.513066][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4116.513073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4116.513076][ C2] ? lock_acquire+0x10c/0x170 [ 4116.513081][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4116.513086][ C2] mptcp_try_fallback+0x14b/0x360 [ 4116.513091][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4116.513097][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4116.513100][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4116.513103][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4116.513107][ C2] __mptcp_retrans+0x42a/0x960 [ 4116.513114][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4116.513121][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4116.513133][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4116.513147][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4116.513151][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4116.513157][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4116.513162][ C2] ? lock_acquire+0x10c/0x170 [ 4116.513169][ C2] ? release_sock+0x1f/0x1d0 [ 4116.513178][ C2] release_sock+0x17f/0x1d0 [ 4116.513182][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4116.513190][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4116.513193][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4116.513197][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4116.513205][ C2] ? find_held_lock+0x2b/0x80 [ 4116.513209][ C2] sock_write_iter+0x3c1/0x520 [ 4116.513216][ C2] ? __up_write+0x1ad/0x530 [ 4116.513223][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4116.513230][ C2] ? ksys_write+0xf7/0x1d0 [ 4116.513238][ C2] vfs_write+0xc0c/0x1210 [ 4116.513242][ C2] ? ksys_write+0x137/0x1d0 [ 4116.513245][ C2] ? __lock_release+0x5d/0x170 [ 4116.513249][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4116.513253][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4116.513260][ C2] ksys_write+0x183/0x1d0 [ 4116.513264][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4116.513266][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4116.513275][ C2] do_syscall_64+0xc1/0x380 [ 4116.513280][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4116.513285][ C2] RIP: 0033:0x7f471c970337 [ 4116.513296][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4116.513298][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4116.513301][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4116.513303][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4116.513305][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4116.513307][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4116.513309][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4116.513315][ C2] [ 4122.589323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4122.589811][ C2] rcu: 2-....: (1896557 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=644227 [ 4122.590237][ C2] rcu: (t=1898072 jiffies g=1286133 q=36863 ncpus=4) [ 4122.590477][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4122.590483][ C2] Tainted: [L]=SOFTLOCKUP [ 4122.590485][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4122.590487][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4122.590497][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4122.590501][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4122.590504][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4122.590507][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4122.590509][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4122.590511][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4122.590513][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4122.590515][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4122.590517][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4122.590521][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4122.590523][ C2] PKRU: 55555554 [ 4122.590524][ C2] Call Trace: [ 4122.590526][ C2] [ 4122.590528][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4122.590536][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4122.590541][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4122.590544][ C2] ? lock_acquire+0x10c/0x170 [ 4122.590548][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4122.590555][ C2] mptcp_try_fallback+0x14b/0x360 [ 4122.590558][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4122.590565][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4122.590568][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4122.590571][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4122.590576][ C2] __mptcp_retrans+0x42a/0x960 [ 4122.590582][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4122.590587][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4122.590595][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4122.590602][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4122.590605][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4122.590608][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4122.590611][ C2] ? lock_acquire+0x10c/0x170 [ 4122.590613][ C2] ? release_sock+0x1f/0x1d0 [ 4122.590619][ C2] release_sock+0x17f/0x1d0 [ 4122.590623][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4122.590630][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4122.590634][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4122.590637][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4122.590643][ C2] ? find_held_lock+0x2b/0x80 [ 4122.590647][ C2] sock_write_iter+0x3c1/0x520 [ 4122.590652][ C2] ? __up_write+0x1ad/0x530 [ 4122.590657][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4122.590663][ C2] ? ksys_write+0xf7/0x1d0 [ 4122.590670][ C2] vfs_write+0xc0c/0x1210 [ 4122.590681][ C2] ? ksys_write+0x137/0x1d0 [ 4122.590684][ C2] ? __lock_release+0x5d/0x170 [ 4122.590687][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4122.590691][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4122.590698][ C2] ksys_write+0x183/0x1d0 [ 4122.590702][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4122.590704][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4122.590711][ C2] do_syscall_64+0xc1/0x380 [ 4122.590715][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4122.590719][ C2] RIP: 0033:0x7f471c970337 [ 4122.590728][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4122.590729][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4122.590733][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4122.590735][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4122.590736][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4122.590738][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4122.590741][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4122.590747][ C2] [ 4148.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1792s! [mptcp_connect:16956] [ 4148.512944][ 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 [ 4148.512961][ C2] irq event stamp: 64230 [ 4148.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4148.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4148.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4148.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4148.512991][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4148.512997][ C2] Tainted: [L]=SOFTLOCKUP [ 4148.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4148.513000][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4148.513005][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4148.513009][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4148.513012][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4148.513014][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4148.513016][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4148.513018][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4148.513020][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4148.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4148.513025][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4148.513030][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4148.513032][ C2] PKRU: 55555554 [ 4148.513033][ C2] Call Trace: [ 4148.513036][ C2] [ 4148.513041][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4148.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4148.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4148.513057][ C2] ? lock_acquire+0x10c/0x170 [ 4148.513061][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4148.513066][ C2] mptcp_try_fallback+0x14b/0x360 [ 4148.513070][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4148.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4148.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4148.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4148.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 4148.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4148.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4148.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4148.513112][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4148.513115][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4148.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4148.513120][ C2] ? lock_acquire+0x10c/0x170 [ 4148.513123][ C2] ? release_sock+0x1f/0x1d0 [ 4148.513129][ C2] release_sock+0x17f/0x1d0 [ 4148.513133][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4148.513141][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4148.513144][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4148.513148][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4148.513154][ C2] ? find_held_lock+0x2b/0x80 [ 4148.513158][ C2] sock_write_iter+0x3c1/0x520 [ 4148.513164][ C2] ? __up_write+0x1ad/0x530 [ 4148.513168][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4148.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 4148.513181][ C2] vfs_write+0xc0c/0x1210 [ 4148.513185][ C2] ? ksys_write+0x137/0x1d0 [ 4148.513188][ C2] ? __lock_release+0x5d/0x170 [ 4148.513192][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4148.513195][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4148.513203][ C2] ksys_write+0x183/0x1d0 [ 4148.513206][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4148.513209][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4148.513216][ C2] do_syscall_64+0xc1/0x380 [ 4148.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4148.513225][ C2] RIP: 0033:0x7f471c970337 [ 4148.513233][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4148.513235][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4148.513238][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4148.513240][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4148.513242][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4148.513244][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4148.513246][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4148.513252][ C2] [ 4158.877351][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1904325 jiffies s: 68525 root: 0x4/. [ 4158.877844][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4158.878097][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4158.878253][ C2] NMI backtrace for cpu 2 [ 4158.878262][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4158.878268][ C2] Tainted: [L]=SOFTLOCKUP [ 4158.878270][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4158.878272][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 4158.878282][ 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 [ 4158.878285][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 4158.878289][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 4158.878291][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 4158.878293][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 4158.878295][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 4158.878297][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 4158.878299][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4158.878301][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4158.878305][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4158.878307][ C2] PKRU: 55555554 [ 4158.878308][ C2] Call Trace: [ 4158.878310][ C2] [ 4158.878312][ C2] ioapic_ack_level+0xcf/0x3d0 [ 4158.878323][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 4158.878333][ C2] __common_interrupt+0xad/0x1d0 [ 4158.878341][ C2] common_interrupt+0xb9/0xe0 [ 4158.878347][ C2] [ 4158.878348][ C2] [ 4158.878350][ C2] asm_common_interrupt+0x26/0x40 [ 4158.878354][ C2] RIP: 0010:kasan_check_range+0x16/0x1c0 [ 4158.878361][ 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 [ 4158.878364][ C2] RSP: 0018:ffffc9000029f5c0 EFLAGS: 00000202 [ 4158.878366][ C2] RAX: ffff88800b85eb30 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4158.878368][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4158.878370][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4158.878372][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4158.878374][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4158.878378][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 4158.878386][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4158.878391][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4158.878397][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4158.878401][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4158.878404][ C2] ? lock_acquire+0x10c/0x170 [ 4158.878408][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4158.878415][ C2] mptcp_try_fallback+0x14b/0x360 [ 4158.878419][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4158.878426][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4158.878428][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4158.878431][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4158.878436][ C2] __mptcp_retrans+0x42a/0x960 [ 4158.878442][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4158.878447][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4158.878453][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4158.878461][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4158.878463][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4158.878466][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4158.878469][ C2] ? lock_acquire+0x10c/0x170 [ 4158.878472][ C2] ? release_sock+0x1f/0x1d0 [ 4158.878478][ C2] release_sock+0x17f/0x1d0 [ 4158.878481][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4158.878488][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4158.878492][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4158.878496][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4158.878501][ C2] ? find_held_lock+0x2b/0x80 [ 4158.878505][ C2] sock_write_iter+0x3c1/0x520 [ 4158.878510][ C2] ? __up_write+0x1ad/0x530 [ 4158.878515][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4158.878522][ C2] ? ksys_write+0xf7/0x1d0 [ 4158.878528][ C2] vfs_write+0xc0c/0x1210 [ 4158.878531][ C2] ? ksys_write+0x137/0x1d0 [ 4158.878534][ C2] ? __lock_release+0x5d/0x170 [ 4158.878538][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4158.878541][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4158.878548][ C2] ksys_write+0x183/0x1d0 [ 4158.878552][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4158.878554][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4158.878561][ C2] do_syscall_64+0xc1/0x380 [ 4158.878564][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4158.878567][ C2] RIP: 0033:0x7f471c970337 [ 4158.878575][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4158.878577][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4158.878580][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4158.878582][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4158.878584][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4158.878586][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4158.878588][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4158.878593][ C2] [ 4184.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1826s! [mptcp_connect:16956] [ 4184.512944][ 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 [ 4184.512959][ C2] irq event stamp: 64230 [ 4184.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4184.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4184.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4184.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4184.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4184.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 4184.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4184.512998][ C2] RIP: 0010:queued_spin_lock_slowpath+0xc7/0x9c0 [ 4184.513002][ 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 [ 4184.513006][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 4184.513008][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4184.513011][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4184.513013][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4184.513015][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4184.513017][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4184.513019][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4184.513021][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4184.513025][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4184.513027][ C2] PKRU: 55555554 [ 4184.513029][ C2] Call Trace: [ 4184.513032][ C2] [ 4184.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4184.513044][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4184.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4184.513052][ C2] ? lock_acquire+0x10c/0x170 [ 4184.513056][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4184.513061][ C2] mptcp_try_fallback+0x14b/0x360 [ 4184.513065][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4184.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4184.513074][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4184.513077][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4184.513082][ C2] __mptcp_retrans+0x42a/0x960 [ 4184.513088][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4184.513094][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4184.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4184.513109][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4184.513112][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4184.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4184.513118][ C2] ? lock_acquire+0x10c/0x170 [ 4184.513120][ C2] ? release_sock+0x1f/0x1d0 [ 4184.513126][ C2] release_sock+0x17f/0x1d0 [ 4184.513130][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4184.513138][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4184.513142][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4184.513146][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4184.513151][ C2] ? find_held_lock+0x2b/0x80 [ 4184.513155][ C2] sock_write_iter+0x3c1/0x520 [ 4184.513160][ C2] ? __up_write+0x1ad/0x530 [ 4184.513165][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4184.513172][ C2] ? ksys_write+0xf7/0x1d0 [ 4184.513178][ C2] vfs_write+0xc0c/0x1210 [ 4184.513182][ C2] ? ksys_write+0x137/0x1d0 [ 4184.513184][ C2] ? __lock_release+0x5d/0x170 [ 4184.513188][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4184.513192][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4184.513199][ C2] ksys_write+0x183/0x1d0 [ 4184.513203][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4184.513205][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4184.513212][ C2] do_syscall_64+0xc1/0x380 [ 4184.513217][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4184.513221][ C2] RIP: 0033:0x7f471c970337 [ 4184.513229][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4184.513231][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4184.513234][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4184.513236][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4184.513238][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4184.513240][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4184.513241][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4184.513248][ C2] [ 4200.592319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4200.592747][ C2] rcu: 2-....: (1974493 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=683132 [ 4200.593115][ C2] rcu: (t=1976075 jiffies g=1286133 q=38292 ncpus=4) [ 4200.593352][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4200.593358][ C2] Tainted: [L]=SOFTLOCKUP [ 4200.593359][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4200.593362][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4200.593371][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4200.593374][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4200.593378][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4200.593380][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4200.593382][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4200.593384][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4200.593386][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4200.593388][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4200.593391][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4200.593394][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4200.593396][ C2] PKRU: 55555554 [ 4200.593398][ C2] Call Trace: [ 4200.593399][ C2] [ 4200.593402][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4200.593409][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4200.593414][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4200.593417][ C2] ? lock_acquire+0x10c/0x170 [ 4200.593421][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4200.593428][ C2] mptcp_try_fallback+0x14b/0x360 [ 4200.593431][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4200.593438][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4200.593440][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4200.593443][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4200.593448][ C2] __mptcp_retrans+0x42a/0x960 [ 4200.593454][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4200.593459][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4200.593466][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4200.593474][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4200.593476][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4200.593479][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4200.593482][ C2] ? lock_acquire+0x10c/0x170 [ 4200.593485][ C2] ? release_sock+0x1f/0x1d0 [ 4200.593491][ C2] release_sock+0x17f/0x1d0 [ 4200.593495][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4200.593502][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4200.593506][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4200.593510][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4200.593515][ C2] ? find_held_lock+0x2b/0x80 [ 4200.593519][ C2] sock_write_iter+0x3c1/0x520 [ 4200.593524][ C2] ? __up_write+0x1ad/0x530 [ 4200.593529][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4200.593535][ C2] ? ksys_write+0xf7/0x1d0 [ 4200.593542][ C2] vfs_write+0xc0c/0x1210 [ 4200.593545][ C2] ? ksys_write+0x137/0x1d0 [ 4200.593547][ C2] ? __lock_release+0x5d/0x170 [ 4200.593551][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4200.593554][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4200.593562][ C2] ksys_write+0x183/0x1d0 [ 4200.593565][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4200.593568][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4200.593575][ C2] do_syscall_64+0xc1/0x380 [ 4200.593578][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4200.593582][ C2] RIP: 0033:0x7f471c970337 [ 4200.593589][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4200.593591][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4200.593594][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4200.593596][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4200.593598][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4200.593599][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4200.593601][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4200.593607][ C2] [ 4228.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1867s! [mptcp_connect:16956] [ 4228.512943][ 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 [ 4228.512958][ C2] irq event stamp: 64230 [ 4228.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4228.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4228.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4228.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4228.512988][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4228.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 4228.512995][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4228.512998][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 4228.513002][ 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 [ 4228.513005][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4228.513009][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4228.513011][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4228.513013][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4228.513015][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4228.513016][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4228.513018][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4228.513021][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4228.513025][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4228.513028][ C2] PKRU: 55555554 [ 4228.513029][ C2] Call Trace: [ 4228.513032][ C2] [ 4228.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4228.513044][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4228.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4228.513052][ C2] ? lock_acquire+0x10c/0x170 [ 4228.513056][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4228.513061][ C2] mptcp_try_fallback+0x14b/0x360 [ 4228.513065][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4228.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4228.513074][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4228.513077][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4228.513082][ C2] __mptcp_retrans+0x42a/0x960 [ 4228.513088][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4228.513093][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4228.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4228.513108][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4228.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4228.513114][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4228.513117][ C2] ? lock_acquire+0x10c/0x170 [ 4228.513120][ C2] ? release_sock+0x1f/0x1d0 [ 4228.513126][ C2] release_sock+0x17f/0x1d0 [ 4228.513130][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4228.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4228.513141][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4228.513145][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4228.513150][ C2] ? find_held_lock+0x2b/0x80 [ 4228.513154][ C2] sock_write_iter+0x3c1/0x520 [ 4228.513160][ C2] ? __up_write+0x1ad/0x530 [ 4228.513164][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4228.513171][ C2] ? ksys_write+0xf7/0x1d0 [ 4228.513177][ C2] vfs_write+0xc0c/0x1210 [ 4228.513181][ C2] ? ksys_write+0x137/0x1d0 [ 4228.513184][ C2] ? __lock_release+0x5d/0x170 [ 4228.513187][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4228.513192][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4228.513199][ C2] ksys_write+0x183/0x1d0 [ 4228.513202][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4228.513205][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4228.513212][ C2] do_syscall_64+0xc1/0x380 [ 4228.513216][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4228.513220][ C2] RIP: 0033:0x7f471c970337 [ 4228.513228][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4228.513229][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4228.513232][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4228.513234][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4228.513236][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4228.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4228.513240][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4228.513246][ C2] [ 4256.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1893s! [mptcp_connect:16956] [ 4256.512944][ 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 [ 4256.512961][ C2] irq event stamp: 64230 [ 4256.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4256.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4256.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4256.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4256.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4256.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 4256.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4256.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4256.513004][ 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 [ 4256.513007][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4256.513010][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4256.513012][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4256.513014][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4256.513016][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4256.513018][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4256.513020][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4256.513022][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4256.513026][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4256.513028][ C2] PKRU: 55555554 [ 4256.513029][ C2] Call Trace: [ 4256.513033][ C2] [ 4256.513037][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4256.513045][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4256.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4256.513053][ C2] ? lock_acquire+0x10c/0x170 [ 4256.513057][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4256.513062][ C2] mptcp_try_fallback+0x14b/0x360 [ 4256.513066][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4256.513073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4256.513076][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4256.513078][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4256.513084][ C2] __mptcp_retrans+0x42a/0x960 [ 4256.513089][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4256.513095][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4256.513102][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4256.513109][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4256.513112][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4256.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4256.513118][ C2] ? lock_acquire+0x10c/0x170 [ 4256.513121][ C2] ? release_sock+0x1f/0x1d0 [ 4256.513127][ C2] release_sock+0x17f/0x1d0 [ 4256.513131][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4256.513139][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4256.513142][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4256.513146][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4256.513151][ C2] ? find_held_lock+0x2b/0x80 [ 4256.513155][ C2] sock_write_iter+0x3c1/0x520 [ 4256.513161][ C2] ? __up_write+0x1ad/0x530 [ 4256.513165][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4256.513171][ C2] ? ksys_write+0xf7/0x1d0 [ 4256.513178][ C2] vfs_write+0xc0c/0x1210 [ 4256.513182][ C2] ? ksys_write+0x137/0x1d0 [ 4256.513184][ C2] ? __lock_release+0x5d/0x170 [ 4256.513188][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4256.513192][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4256.513199][ C2] ksys_write+0x183/0x1d0 [ 4256.513203][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4256.513205][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4256.513212][ C2] do_syscall_64+0xc1/0x380 [ 4256.513217][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4256.513221][ C2] RIP: 0033:0x7f471c970337 [ 4256.513229][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4256.513231][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4256.513234][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4256.513236][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4256.513238][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4256.513239][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4256.513241][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4256.513247][ C2] [ 4257.181357][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2002629 jiffies s: 68525 root: 0x4/. [ 4257.181913][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4257.182097][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4257.182251][ C2] NMI backtrace for cpu 2 [ 4257.182258][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4257.182264][ C2] Tainted: [L]=SOFTLOCKUP [ 4257.182265][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4257.182267][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 4257.182274][ 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 [ 4257.182278][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 4257.182281][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 4257.182283][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 4257.182285][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 4257.182287][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 4257.182289][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 4257.182291][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4257.182293][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4257.182297][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4257.182299][ C2] PKRU: 55555554 [ 4257.182300][ C2] Call Trace: [ 4257.182302][ C2] [ 4257.182304][ C2] ioapic_ack_level+0xcf/0x3d0 [ 4257.182311][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 4257.182319][ C2] __common_interrupt+0xad/0x1d0 [ 4257.182325][ C2] common_interrupt+0xb9/0xe0 [ 4257.182331][ C2] [ 4257.182332][ C2] [ 4257.182334][ C2] asm_common_interrupt+0x26/0x40 [ 4257.182338][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4257.182343][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4257.182346][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4257.182348][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4257.182350][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4257.182352][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4257.182353][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4257.182355][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4257.182359][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 4257.182365][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4257.182372][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4257.182376][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4257.182379][ C2] ? lock_acquire+0x10c/0x170 [ 4257.182383][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4257.182390][ C2] mptcp_try_fallback+0x14b/0x360 [ 4257.182393][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4257.182400][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4257.182402][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4257.182405][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4257.182410][ C2] __mptcp_retrans+0x42a/0x960 [ 4257.182415][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4257.182420][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4257.182427][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4257.182434][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4257.182437][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4257.182440][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4257.182442][ C2] ? lock_acquire+0x10c/0x170 [ 4257.182445][ C2] ? release_sock+0x1f/0x1d0 [ 4257.182451][ C2] release_sock+0x17f/0x1d0 [ 4257.182454][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4257.182462][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4257.182465][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4257.182469][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4257.182474][ C2] ? find_held_lock+0x2b/0x80 [ 4257.182478][ C2] sock_write_iter+0x3c1/0x520 [ 4257.182483][ C2] ? __up_write+0x1ad/0x530 [ 4257.182488][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4257.182494][ C2] ? ksys_write+0xf7/0x1d0 [ 4257.182500][ C2] vfs_write+0xc0c/0x1210 [ 4257.182504][ C2] ? ksys_write+0x137/0x1d0 [ 4257.182506][ C2] ? __lock_release+0x5d/0x170 [ 4257.182510][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4257.182513][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4257.182520][ C2] ksys_write+0x183/0x1d0 [ 4257.182523][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4257.182526][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4257.182533][ C2] do_syscall_64+0xc1/0x380 [ 4257.182536][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4257.182539][ C2] RIP: 0033:0x7f471c970337 [ 4257.182547][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4257.182549][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4257.182552][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4257.182554][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4257.182556][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4257.182558][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4257.182559][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4257.182565][ C2] [ 4278.595320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4278.595780][ C2] rcu: 2-....: (2052430 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=722086 [ 4278.596175][ C2] rcu: (t=2054078 jiffies g=1286133 q=39724 ncpus=4) [ 4278.596549][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4278.596555][ C2] Tainted: [L]=SOFTLOCKUP [ 4278.596557][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4278.596559][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4278.596569][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4278.596573][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4278.596576][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4278.596579][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4278.596581][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4278.596583][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4278.596584][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4278.596586][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4278.596589][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4278.596594][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4278.596596][ C2] PKRU: 55555554 [ 4278.596597][ C2] Call Trace: [ 4278.596598][ C2] [ 4278.596601][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4278.596608][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4278.596613][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4278.596616][ C2] ? lock_acquire+0x10c/0x170 [ 4278.596620][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4278.596627][ C2] mptcp_try_fallback+0x14b/0x360 [ 4278.596631][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4278.596637][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4278.596639][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4278.596642][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4278.596647][ C2] __mptcp_retrans+0x42a/0x960 [ 4278.596653][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4278.596658][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4278.596665][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4278.596672][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4278.596675][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4278.596678][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4278.596681][ C2] ? lock_acquire+0x10c/0x170 [ 4278.596684][ C2] ? release_sock+0x1f/0x1d0 [ 4278.596690][ C2] release_sock+0x17f/0x1d0 [ 4278.596693][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4278.596700][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4278.596704][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4278.596708][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4278.596714][ C2] ? find_held_lock+0x2b/0x80 [ 4278.596718][ C2] sock_write_iter+0x3c1/0x520 [ 4278.596723][ C2] ? __up_write+0x1ad/0x530 [ 4278.596727][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4278.596734][ C2] ? ksys_write+0xf7/0x1d0 [ 4278.596741][ C2] vfs_write+0xc0c/0x1210 [ 4278.596744][ C2] ? ksys_write+0x137/0x1d0 [ 4278.596746][ C2] ? __lock_release+0x5d/0x170 [ 4278.596750][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4278.596754][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4278.596761][ C2] ksys_write+0x183/0x1d0 [ 4278.596764][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4278.596767][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4278.596774][ C2] do_syscall_64+0xc1/0x380 [ 4278.596778][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4278.596781][ C2] RIP: 0033:0x7f471c970337 [ 4278.596790][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4278.596791][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4278.596794][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4278.596797][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4278.596800][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4278.596802][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4278.596805][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4278.596815][ C2] [ 4304.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1937s! [mptcp_connect:16956] [ 4304.512944][ 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 [ 4304.512961][ C2] irq event stamp: 64230 [ 4304.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4304.512973][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4304.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4304.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4304.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4304.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 4304.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4304.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4304.513004][ 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 [ 4304.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4304.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4304.513013][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4304.513015][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4304.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4304.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4304.513021][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4304.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4304.513028][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4304.513030][ C2] PKRU: 55555554 [ 4304.513032][ C2] Call Trace: [ 4304.513035][ C2] [ 4304.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4304.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4304.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4304.513056][ C2] ? lock_acquire+0x10c/0x170 [ 4304.513060][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4304.513065][ C2] mptcp_try_fallback+0x14b/0x360 [ 4304.513069][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4304.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4304.513078][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4304.513081][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4304.513086][ C2] __mptcp_retrans+0x42a/0x960 [ 4304.513091][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4304.513096][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4304.513104][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4304.513111][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4304.513114][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4304.513117][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4304.513120][ C2] ? lock_acquire+0x10c/0x170 [ 4304.513123][ C2] ? release_sock+0x1f/0x1d0 [ 4304.513129][ C2] release_sock+0x17f/0x1d0 [ 4304.513133][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4304.513140][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4304.513144][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4304.513147][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4304.513153][ C2] ? find_held_lock+0x2b/0x80 [ 4304.513157][ C2] sock_write_iter+0x3c1/0x520 [ 4304.513162][ C2] ? __up_write+0x1ad/0x530 [ 4304.513167][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4304.513173][ C2] ? ksys_write+0xf7/0x1d0 [ 4304.513180][ C2] vfs_write+0xc0c/0x1210 [ 4304.513184][ C2] ? ksys_write+0x137/0x1d0 [ 4304.513186][ C2] ? __lock_release+0x5d/0x170 [ 4304.513190][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4304.513194][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4304.513201][ C2] ksys_write+0x183/0x1d0 [ 4304.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4304.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4304.513214][ C2] do_syscall_64+0xc1/0x380 [ 4304.513218][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4304.513222][ C2] RIP: 0033:0x7f471c970337 [ 4304.513231][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4304.513232][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4304.513235][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4304.513237][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4304.513239][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4304.513241][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4304.513243][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4304.513249][ C2] [ 4332.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 1963s! [mptcp_connect:16956] [ 4332.512943][ 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 [ 4332.512959][ C2] irq event stamp: 64230 [ 4332.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4332.512970][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4332.512974][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4332.512980][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4332.512987][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4332.512992][ C2] Tainted: [L]=SOFTLOCKUP [ 4332.512994][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4332.512996][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4332.513001][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4332.513004][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4332.513007][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4332.513009][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4332.513011][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4332.513013][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4332.513015][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4332.513017][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4332.513020][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4332.513023][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4332.513026][ C2] PKRU: 55555554 [ 4332.513027][ C2] Call Trace: [ 4332.513030][ C2] [ 4332.513034][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4332.513042][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4332.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4332.513050][ C2] ? lock_acquire+0x10c/0x170 [ 4332.513055][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4332.513059][ C2] mptcp_try_fallback+0x14b/0x360 [ 4332.513063][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4332.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4332.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4332.513076][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4332.513080][ C2] __mptcp_retrans+0x42a/0x960 [ 4332.513086][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4332.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4332.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4332.513106][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4332.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4332.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4332.513115][ C2] ? lock_acquire+0x10c/0x170 [ 4332.513118][ C2] ? release_sock+0x1f/0x1d0 [ 4332.513125][ C2] release_sock+0x17f/0x1d0 [ 4332.513128][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4332.513136][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4332.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4332.513144][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4332.513150][ C2] ? find_held_lock+0x2b/0x80 [ 4332.513154][ C2] sock_write_iter+0x3c1/0x520 [ 4332.513159][ C2] ? __up_write+0x1ad/0x530 [ 4332.513164][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4332.513171][ C2] ? ksys_write+0xf7/0x1d0 [ 4332.513178][ C2] vfs_write+0xc0c/0x1210 [ 4332.513181][ C2] ? ksys_write+0x137/0x1d0 [ 4332.513184][ C2] ? __lock_release+0x5d/0x170 [ 4332.513188][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4332.513192][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4332.513199][ C2] ksys_write+0x183/0x1d0 [ 4332.513203][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4332.513205][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4332.513213][ C2] do_syscall_64+0xc1/0x380 [ 4332.513217][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4332.513221][ C2] RIP: 0033:0x7f471c970337 [ 4332.513229][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4332.513231][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4332.513234][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4332.513236][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4332.513238][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4332.513240][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4332.513242][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4332.513248][ C2] [ 4355.485344][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2100933 jiffies s: 68525 root: 0x4/. [ 4355.485832][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4355.486013][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4355.486175][ C2] NMI backtrace for cpu 2 [ 4355.486184][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4355.486190][ C2] Tainted: [L]=SOFTLOCKUP [ 4355.486191][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4355.486194][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4355.486204][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4355.486207][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4355.486211][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4355.486214][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4355.486216][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4355.486218][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4355.486220][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4355.486222][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4355.486225][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4355.486229][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4355.486231][ C2] PKRU: 55555554 [ 4355.486232][ C2] Call Trace: [ 4355.486235][ C2] [ 4355.486240][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4355.486248][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4355.486253][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4355.486256][ C2] ? lock_acquire+0x10c/0x170 [ 4355.486260][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4355.486267][ C2] mptcp_try_fallback+0x14b/0x360 [ 4355.486271][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4355.486278][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4355.486281][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4355.486284][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4355.486289][ C2] __mptcp_retrans+0x42a/0x960 [ 4355.486294][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4355.486300][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4355.486307][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4355.486314][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4355.486318][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4355.486322][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4355.486324][ C2] ? lock_acquire+0x10c/0x170 [ 4355.486327][ C2] ? release_sock+0x1f/0x1d0 [ 4355.486333][ C2] release_sock+0x17f/0x1d0 [ 4355.486338][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4355.486345][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4355.486349][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4355.486353][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4355.486359][ C2] ? find_held_lock+0x2b/0x80 [ 4355.486363][ C2] sock_write_iter+0x3c1/0x520 [ 4355.486368][ C2] ? __up_write+0x1ad/0x530 [ 4355.486373][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4355.486379][ C2] ? ksys_write+0xf7/0x1d0 [ 4355.486386][ C2] vfs_write+0xc0c/0x1210 [ 4355.486390][ C2] ? ksys_write+0x137/0x1d0 [ 4355.486392][ C2] ? __lock_release+0x5d/0x170 [ 4355.486396][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4355.486400][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4355.486407][ C2] ksys_write+0x183/0x1d0 [ 4355.486410][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4355.486413][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4355.486420][ C2] do_syscall_64+0xc1/0x380 [ 4355.486424][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4355.486428][ C2] RIP: 0033:0x7f471c970337 [ 4355.486436][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4355.486437][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4355.486441][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4355.486442][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4355.486445][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4355.486447][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4355.486449][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4355.486455][ C2] [ 4356.598320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4356.598628][ C2] rcu: 2-....: (2130372 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=761044 [ 4356.599011][ C2] rcu: (t=2132081 jiffies g=1286133 q=41069 ncpus=4) [ 4356.599245][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4356.599251][ C2] Tainted: [L]=SOFTLOCKUP [ 4356.599253][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4356.599255][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4356.599265][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4356.599268][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4356.599272][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4356.599274][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4356.599276][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4356.599278][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4356.599280][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4356.599282][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4356.599285][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4356.599289][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4356.599291][ C2] PKRU: 55555554 [ 4356.599292][ C2] Call Trace: [ 4356.599293][ C2] [ 4356.599296][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4356.599304][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4356.599308][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4356.599311][ C2] ? lock_acquire+0x10c/0x170 [ 4356.599315][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4356.599322][ C2] mptcp_try_fallback+0x14b/0x360 [ 4356.599326][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4356.599332][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4356.599335][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4356.599338][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4356.599343][ C2] __mptcp_retrans+0x42a/0x960 [ 4356.599349][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4356.599354][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4356.599362][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4356.599369][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4356.599372][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4356.599375][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4356.599378][ C2] ? lock_acquire+0x10c/0x170 [ 4356.599381][ C2] ? release_sock+0x1f/0x1d0 [ 4356.599388][ C2] release_sock+0x17f/0x1d0 [ 4356.599391][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4356.599398][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4356.599402][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4356.599406][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4356.599412][ C2] ? find_held_lock+0x2b/0x80 [ 4356.599416][ C2] sock_write_iter+0x3c1/0x520 [ 4356.599421][ C2] ? __up_write+0x1ad/0x530 [ 4356.599425][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4356.599432][ C2] ? ksys_write+0xf7/0x1d0 [ 4356.599438][ C2] vfs_write+0xc0c/0x1210 [ 4356.599441][ C2] ? ksys_write+0x137/0x1d0 [ 4356.599444][ C2] ? __lock_release+0x5d/0x170 [ 4356.599448][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4356.599451][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4356.599458][ C2] ksys_write+0x183/0x1d0 [ 4356.599462][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4356.599464][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4356.599471][ C2] do_syscall_64+0xc1/0x380 [ 4356.599475][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4356.599479][ C2] RIP: 0033:0x7f471c970337 [ 4356.599487][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4356.599488][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4356.599491][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4356.599493][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4356.599495][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4356.599497][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4356.599499][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4356.599505][ C2] [ 4384.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2012s! [mptcp_connect:16956] [ 4384.512946][ 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 [ 4384.512963][ C2] irq event stamp: 64230 [ 4384.512965][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4384.512976][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4384.512981][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4384.512987][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4384.512995][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4384.513000][ C2] Tainted: [L]=SOFTLOCKUP [ 4384.513002][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4384.513004][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4384.513009][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4384.513013][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4384.513016][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4384.513018][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4384.513020][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4384.513022][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4384.513024][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4384.513026][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4384.513029][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4384.513033][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4384.513036][ C2] PKRU: 55555554 [ 4384.513037][ C2] Call Trace: [ 4384.513040][ C2] [ 4384.513045][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4384.513053][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4384.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4384.513061][ C2] ? lock_acquire+0x10c/0x170 [ 4384.513066][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4384.513071][ C2] mptcp_try_fallback+0x14b/0x360 [ 4384.513075][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4384.513082][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4384.513085][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4384.513088][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4384.513093][ C2] __mptcp_retrans+0x42a/0x960 [ 4384.513099][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4384.513104][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4384.513111][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4384.513119][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4384.513121][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4384.513125][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4384.513128][ C2] ? lock_acquire+0x10c/0x170 [ 4384.513131][ C2] ? release_sock+0x1f/0x1d0 [ 4384.513137][ C2] release_sock+0x17f/0x1d0 [ 4384.513141][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4384.513149][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4384.513152][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4384.513156][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4384.513162][ C2] ? find_held_lock+0x2b/0x80 [ 4384.513166][ C2] sock_write_iter+0x3c1/0x520 [ 4384.513171][ C2] ? __up_write+0x1ad/0x530 [ 4384.513177][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4384.513184][ C2] ? ksys_write+0xf7/0x1d0 [ 4384.513190][ C2] vfs_write+0xc0c/0x1210 [ 4384.513194][ C2] ? ksys_write+0x137/0x1d0 [ 4384.513197][ C2] ? __lock_release+0x5d/0x170 [ 4384.513201][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4384.513205][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4384.513212][ C2] ksys_write+0x183/0x1d0 [ 4384.513216][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4384.513219][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4384.513226][ C2] do_syscall_64+0xc1/0x380 [ 4384.513231][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4384.513234][ C2] RIP: 0033:0x7f471c970337 [ 4384.513244][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4384.513245][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4384.513248][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4384.513251][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4384.513253][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4384.513255][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4384.513257][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4384.513263][ C2] [ 4412.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2038s! [mptcp_connect:16956] [ 4412.512944][ 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 [ 4412.512960][ C2] irq event stamp: 64230 [ 4412.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4412.512974][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4412.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4412.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4412.512992][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4412.512998][ C2] Tainted: [L]=SOFTLOCKUP [ 4412.513000][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4412.513002][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 4412.513007][ 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 [ 4412.513010][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4412.513013][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4412.513015][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4412.513018][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4412.513019][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4412.513021][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4412.513024][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4412.513026][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4412.513030][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4412.513033][ C2] PKRU: 55555554 [ 4412.513034][ C2] Call Trace: [ 4412.513038][ C2] [ 4412.513042][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4412.513050][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4412.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4412.513059][ C2] ? lock_acquire+0x10c/0x170 [ 4412.513064][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4412.513069][ C2] mptcp_try_fallback+0x14b/0x360 [ 4412.513073][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4412.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4412.513083][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4412.513086][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4412.513091][ C2] __mptcp_retrans+0x42a/0x960 [ 4412.513097][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4412.513102][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4412.513109][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4412.513116][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4412.513119][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4412.513122][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4412.513125][ C2] ? lock_acquire+0x10c/0x170 [ 4412.513128][ C2] ? release_sock+0x1f/0x1d0 [ 4412.513135][ C2] release_sock+0x17f/0x1d0 [ 4412.513139][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4412.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4412.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4412.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4412.513160][ C2] ? find_held_lock+0x2b/0x80 [ 4412.513164][ C2] sock_write_iter+0x3c1/0x520 [ 4412.513170][ C2] ? __up_write+0x1ad/0x530 [ 4412.513175][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4412.513181][ C2] ? ksys_write+0xf7/0x1d0 [ 4412.513188][ C2] vfs_write+0xc0c/0x1210 [ 4412.513192][ C2] ? ksys_write+0x137/0x1d0 [ 4412.513195][ C2] ? __lock_release+0x5d/0x170 [ 4412.513199][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4412.513203][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4412.513210][ C2] ksys_write+0x183/0x1d0 [ 4412.513213][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4412.513216][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4412.513223][ C2] do_syscall_64+0xc1/0x380 [ 4412.513228][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4412.513232][ C2] RIP: 0033:0x7f471c970337 [ 4412.513241][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4412.513243][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4412.513246][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4412.513248][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4412.513250][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4412.513252][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4412.513254][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4412.513260][ C2] [ 4430.219004][ T70] kmemleak: 501 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 4434.601321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4434.601772][ C2] rcu: 2-....: (2208327 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=798198 [ 4434.602148][ C2] rcu: (t=2210084 jiffies g=1286133 q=42105 ncpus=4) [ 4434.602382][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4434.602388][ C2] Tainted: [L]=SOFTLOCKUP [ 4434.602390][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4434.602392][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4434.602403][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4434.602406][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4434.602411][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4434.602413][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4434.602415][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4434.602417][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4434.602419][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4434.602421][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4434.602424][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4434.602428][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4434.602430][ C2] PKRU: 55555554 [ 4434.602432][ C2] Call Trace: [ 4434.602433][ C2] [ 4434.602436][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4434.602444][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4434.602449][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4434.602452][ C2] ? lock_acquire+0x10c/0x170 [ 4434.602456][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4434.602462][ C2] mptcp_try_fallback+0x14b/0x360 [ 4434.602466][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4434.602472][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4434.602475][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4434.602478][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4434.602483][ C2] __mptcp_retrans+0x42a/0x960 [ 4434.602489][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4434.602494][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4434.602501][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4434.602508][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4434.602511][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4434.602514][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4434.602517][ C2] ? lock_acquire+0x10c/0x170 [ 4434.602520][ C2] ? release_sock+0x1f/0x1d0 [ 4434.602526][ C2] release_sock+0x17f/0x1d0 [ 4434.602529][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4434.602537][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4434.602541][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4434.602544][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4434.602550][ C2] ? find_held_lock+0x2b/0x80 [ 4434.602554][ C2] sock_write_iter+0x3c1/0x520 [ 4434.602559][ C2] ? __up_write+0x1ad/0x530 [ 4434.602564][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4434.602570][ C2] ? ksys_write+0xf7/0x1d0 [ 4434.602577][ C2] vfs_write+0xc0c/0x1210 [ 4434.602580][ C2] ? ksys_write+0x137/0x1d0 [ 4434.602582][ C2] ? __lock_release+0x5d/0x170 [ 4434.602586][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4434.602590][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4434.602597][ C2] ksys_write+0x183/0x1d0 [ 4434.602600][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4434.602603][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4434.602610][ C2] do_syscall_64+0xc1/0x380 [ 4434.602614][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4434.602617][ C2] RIP: 0033:0x7f471c970337 [ 4434.602627][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4434.602628][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4434.602631][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4434.602633][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4434.602636][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4434.602638][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4434.602639][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4434.602646][ C2] [ 4453.789346][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2199237 jiffies s: 68525 root: 0x4/. [ 4453.789819][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4453.789994][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4453.790163][ C2] NMI backtrace for cpu 2 [ 4453.790173][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4453.790179][ C2] Tainted: [L]=SOFTLOCKUP [ 4453.790180][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4453.790183][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 4453.790191][ 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 [ 4453.790194][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 4453.790198][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 4453.790200][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 4453.790202][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 4453.790205][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 4453.790207][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 4453.790209][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4453.790212][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4453.790215][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4453.790217][ C2] PKRU: 55555554 [ 4453.790219][ C2] Call Trace: [ 4453.790222][ C2] [ 4453.790223][ C2] ioapic_ack_level+0xcf/0x3d0 [ 4453.790232][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 4453.790239][ C2] __common_interrupt+0xad/0x1d0 [ 4453.790245][ C2] common_interrupt+0xb9/0xe0 [ 4453.790251][ C2] [ 4453.790252][ C2] [ 4453.790254][ C2] asm_common_interrupt+0x26/0x40 [ 4453.790259][ C2] RIP: 0010:kasan_check_range+0x16/0x1c0 [ 4453.790264][ 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 [ 4453.790267][ C2] RSP: 0018:ffffc9000029f5c0 EFLAGS: 00000202 [ 4453.790269][ C2] RAX: ffff88800b85eb30 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4453.790271][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4453.790273][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4453.790275][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4453.790277][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4453.790281][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 4453.790288][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4453.790293][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4453.790300][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4453.790305][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4453.790308][ C2] ? lock_acquire+0x10c/0x170 [ 4453.790312][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4453.790320][ C2] mptcp_try_fallback+0x14b/0x360 [ 4453.790324][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4453.790330][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4453.790333][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4453.790336][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4453.790341][ C2] __mptcp_retrans+0x42a/0x960 [ 4453.790347][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4453.790352][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4453.790359][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4453.790367][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4453.790369][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4453.790372][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4453.790375][ C2] ? lock_acquire+0x10c/0x170 [ 4453.790378][ C2] ? release_sock+0x1f/0x1d0 [ 4453.790384][ C2] release_sock+0x17f/0x1d0 [ 4453.790388][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4453.790395][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4453.790399][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4453.790403][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4453.790408][ C2] ? find_held_lock+0x2b/0x80 [ 4453.790412][ C2] sock_write_iter+0x3c1/0x520 [ 4453.790417][ C2] ? __up_write+0x1ad/0x530 [ 4453.790422][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4453.790428][ C2] ? ksys_write+0xf7/0x1d0 [ 4453.790434][ C2] vfs_write+0xc0c/0x1210 [ 4453.790438][ C2] ? ksys_write+0x137/0x1d0 [ 4453.790440][ C2] ? __lock_release+0x5d/0x170 [ 4453.790444][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4453.790448][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4453.790455][ C2] ksys_write+0x183/0x1d0 [ 4453.790458][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4453.790461][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4453.790468][ C2] do_syscall_64+0xc1/0x380 [ 4453.790471][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4453.790475][ C2] RIP: 0033:0x7f471c970337 [ 4453.790483][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4453.790484][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4453.790488][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4453.790490][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4453.790492][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4453.790494][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4453.790496][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4453.790502][ C2] [ 4480.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2101s! [mptcp_connect:16956] [ 4480.512944][ 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 [ 4480.512961][ C2] irq event stamp: 64230 [ 4480.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4480.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4480.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4480.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4480.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4480.512996][ C2] Tainted: [L]=SOFTLOCKUP [ 4480.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4480.513000][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4480.513005][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4480.513009][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4480.513012][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4480.513014][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4480.513016][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4480.513018][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4480.513020][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4480.513023][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4480.513025][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4480.513029][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4480.513032][ C2] PKRU: 55555554 [ 4480.513033][ C2] Call Trace: [ 4480.513036][ C2] [ 4480.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4480.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4480.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4480.513056][ C2] ? lock_acquire+0x10c/0x170 [ 4480.513060][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4480.513065][ C2] mptcp_try_fallback+0x14b/0x360 [ 4480.513069][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4480.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4480.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4480.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4480.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 4480.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4480.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4480.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4480.513113][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4480.513116][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4480.513119][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4480.513122][ C2] ? lock_acquire+0x10c/0x170 [ 4480.513125][ C2] ? release_sock+0x1f/0x1d0 [ 4480.513131][ C2] release_sock+0x17f/0x1d0 [ 4480.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4480.513142][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4480.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4480.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4480.513156][ C2] ? find_held_lock+0x2b/0x80 [ 4480.513160][ C2] sock_write_iter+0x3c1/0x520 [ 4480.513166][ C2] ? __up_write+0x1ad/0x530 [ 4480.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4480.513177][ C2] ? ksys_write+0xf7/0x1d0 [ 4480.513184][ C2] vfs_write+0xc0c/0x1210 [ 4480.513188][ C2] ? ksys_write+0x137/0x1d0 [ 4480.513191][ C2] ? __lock_release+0x5d/0x170 [ 4480.513194][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4480.513198][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4480.513206][ C2] ksys_write+0x183/0x1d0 [ 4480.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4480.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4480.513219][ C2] do_syscall_64+0xc1/0x380 [ 4480.513223][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4480.513227][ C2] RIP: 0033:0x7f471c970337 [ 4480.513236][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4480.513237][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4480.513241][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4480.513243][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4480.513245][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4480.513247][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4480.513249][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4480.513255][ C2] [ 4508.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2127s! [mptcp_connect:16956] [ 4508.512944][ 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 [ 4508.512959][ C2] irq event stamp: 64230 [ 4508.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4508.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4508.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4508.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4508.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4508.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 4508.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4508.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4508.513004][ 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 [ 4508.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4508.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4508.513014][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4508.513016][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4508.513018][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4508.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4508.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4508.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4508.513028][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4508.513030][ C2] PKRU: 55555554 [ 4508.513032][ C2] Call Trace: [ 4508.513036][ C2] [ 4508.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4508.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4508.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4508.513056][ C2] ? lock_acquire+0x10c/0x170 [ 4508.513060][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4508.513065][ C2] mptcp_try_fallback+0x14b/0x360 [ 4508.513069][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4508.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4508.513078][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4508.513081][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4508.513086][ C2] __mptcp_retrans+0x42a/0x960 [ 4508.513092][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4508.513097][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4508.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4508.513112][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4508.513115][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4508.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4508.513120][ C2] ? lock_acquire+0x10c/0x170 [ 4508.513123][ C2] ? release_sock+0x1f/0x1d0 [ 4508.513129][ C2] release_sock+0x17f/0x1d0 [ 4508.513133][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4508.513141][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4508.513144][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4508.513148][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4508.513154][ C2] ? find_held_lock+0x2b/0x80 [ 4508.513158][ C2] sock_write_iter+0x3c1/0x520 [ 4508.513164][ C2] ? __up_write+0x1ad/0x530 [ 4508.513168][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4508.513175][ C2] ? ksys_write+0xf7/0x1d0 [ 4508.513182][ C2] vfs_write+0xc0c/0x1210 [ 4508.513186][ C2] ? ksys_write+0x137/0x1d0 [ 4508.513189][ C2] ? __lock_release+0x5d/0x170 [ 4508.513192][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4508.513196][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4508.513204][ C2] ksys_write+0x183/0x1d0 [ 4508.513208][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4508.513211][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4508.513218][ C2] do_syscall_64+0xc1/0x380 [ 4508.513222][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4508.513226][ C2] RIP: 0033:0x7f471c970337 [ 4508.513234][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4508.513236][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4508.513239][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4508.513241][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4508.513243][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4508.513245][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4508.513247][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4508.513253][ C2] [ 4512.604320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4512.604691][ C2] rcu: 2-....: (2286264 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=837153 [ 4512.605068][ C2] rcu: (t=2288087 jiffies g=1286133 q=43534 ncpus=4) [ 4512.605428][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4512.605434][ C2] Tainted: [L]=SOFTLOCKUP [ 4512.605436][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4512.605438][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 4512.605446][ C2] Code: c7 c7 40 05 87 a3 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 [ 4512.605450][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 4512.605454][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4512.605456][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4512.605458][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4512.605460][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4512.605462][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4512.605464][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4512.605467][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4512.605471][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4512.605473][ C2] PKRU: 55555554 [ 4512.605474][ C2] Call Trace: [ 4512.605476][ C2] [ 4512.605477][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4512.605485][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4512.605493][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4512.605497][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4512.605500][ C2] ? lock_acquire+0x10c/0x170 [ 4512.605504][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4512.605511][ C2] mptcp_try_fallback+0x14b/0x360 [ 4512.605514][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4512.605521][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4512.605523][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4512.605526][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4512.605531][ C2] __mptcp_retrans+0x42a/0x960 [ 4512.605537][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4512.605542][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4512.605549][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4512.605556][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4512.605559][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4512.605562][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4512.605565][ C2] ? lock_acquire+0x10c/0x170 [ 4512.605568][ C2] ? release_sock+0x1f/0x1d0 [ 4512.605574][ C2] release_sock+0x17f/0x1d0 [ 4512.605578][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4512.605585][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4512.605589][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4512.605593][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4512.605598][ C2] ? find_held_lock+0x2b/0x80 [ 4512.605603][ C2] sock_write_iter+0x3c1/0x520 [ 4512.605608][ C2] ? __up_write+0x1ad/0x530 [ 4512.605612][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4512.605619][ C2] ? ksys_write+0xf7/0x1d0 [ 4512.605625][ C2] vfs_write+0xc0c/0x1210 [ 4512.605628][ C2] ? ksys_write+0x137/0x1d0 [ 4512.605631][ C2] ? __lock_release+0x5d/0x170 [ 4512.605635][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4512.605638][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4512.605645][ C2] ksys_write+0x183/0x1d0 [ 4512.605649][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4512.605651][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4512.605658][ C2] do_syscall_64+0xc1/0x380 [ 4512.605662][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4512.605665][ C2] RIP: 0033:0x7f471c970337 [ 4512.605674][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4512.605675][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4512.605678][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4512.605680][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4512.605682][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4512.605684][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4512.605686][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4512.605692][ C2] [ 4540.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2157s! [mptcp_connect:16956] [ 4540.512944][ 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 [ 4540.512960][ C2] irq event stamp: 64230 [ 4540.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4540.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4540.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4540.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4540.512988][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4540.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 4540.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4540.512998][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4540.513003][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4540.513006][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4540.513010][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4540.513012][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4540.513014][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4540.513016][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4540.513018][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4540.513020][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4540.513023][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4540.513027][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4540.513029][ C2] PKRU: 55555554 [ 4540.513030][ C2] Call Trace: [ 4540.513034][ C2] [ 4540.513038][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4540.513046][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4540.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4540.513054][ C2] ? lock_acquire+0x10c/0x170 [ 4540.513058][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4540.513063][ C2] mptcp_try_fallback+0x14b/0x360 [ 4540.513068][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4540.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4540.513077][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4540.513080][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4540.513086][ C2] __mptcp_retrans+0x42a/0x960 [ 4540.513091][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4540.513097][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4540.513104][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4540.513112][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4540.513114][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4540.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4540.513120][ C2] ? lock_acquire+0x10c/0x170 [ 4540.513124][ C2] ? release_sock+0x1f/0x1d0 [ 4540.513130][ C2] release_sock+0x17f/0x1d0 [ 4540.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4540.513142][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4540.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4540.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4540.513155][ C2] ? find_held_lock+0x2b/0x80 [ 4540.513159][ C2] sock_write_iter+0x3c1/0x520 [ 4540.513165][ C2] ? __up_write+0x1ad/0x530 [ 4540.513169][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4540.513176][ C2] ? ksys_write+0xf7/0x1d0 [ 4540.513183][ C2] vfs_write+0xc0c/0x1210 [ 4540.513187][ C2] ? ksys_write+0x137/0x1d0 [ 4540.513190][ C2] ? __lock_release+0x5d/0x170 [ 4540.513194][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4540.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4540.513205][ C2] ksys_write+0x183/0x1d0 [ 4540.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4540.513211][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4540.513218][ C2] do_syscall_64+0xc1/0x380 [ 4540.513222][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4540.513226][ C2] RIP: 0033:0x7f471c970337 [ 4540.513235][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4540.513237][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4540.513240][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4540.513243][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4540.513245][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4540.513247][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4540.513249][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4540.513255][ C2] [ 4552.093348][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2297541 jiffies s: 68525 root: 0x4/. [ 4552.093774][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4552.093959][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4552.094196][ C2] NMI backtrace for cpu 2 [ 4552.094205][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4552.094211][ C2] Tainted: [L]=SOFTLOCKUP [ 4552.094213][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4552.094216][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4552.094225][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4552.094228][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4552.094232][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4552.094235][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4552.094237][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4552.094239][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4552.094241][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4552.094243][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4552.094246][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4552.094250][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4552.094252][ C2] PKRU: 55555554 [ 4552.094253][ C2] Call Trace: [ 4552.094256][ C2] [ 4552.094259][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4552.094267][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4552.094272][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4552.094275][ C2] ? lock_acquire+0x10c/0x170 [ 4552.094279][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4552.094286][ C2] mptcp_try_fallback+0x14b/0x360 [ 4552.094290][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4552.094296][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4552.094299][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4552.094301][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4552.094306][ C2] __mptcp_retrans+0x42a/0x960 [ 4552.094313][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4552.094319][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4552.094326][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4552.094334][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4552.094337][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4552.094340][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4552.094342][ C2] ? lock_acquire+0x10c/0x170 [ 4552.094345][ C2] ? release_sock+0x1f/0x1d0 [ 4552.094352][ C2] release_sock+0x17f/0x1d0 [ 4552.094356][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4552.094364][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4552.094368][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4552.094372][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4552.094377][ C2] ? find_held_lock+0x2b/0x80 [ 4552.094382][ C2] sock_write_iter+0x3c1/0x520 [ 4552.094387][ C2] ? __up_write+0x1ad/0x530 [ 4552.094392][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4552.094398][ C2] ? ksys_write+0xf7/0x1d0 [ 4552.094405][ C2] vfs_write+0xc0c/0x1210 [ 4552.094408][ C2] ? ksys_write+0x137/0x1d0 [ 4552.094411][ C2] ? __lock_release+0x5d/0x170 [ 4552.094415][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4552.094419][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4552.094426][ C2] ksys_write+0x183/0x1d0 [ 4552.094429][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4552.094432][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4552.094439][ C2] do_syscall_64+0xc1/0x380 [ 4552.094443][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4552.094446][ C2] RIP: 0033:0x7f471c970337 [ 4552.094454][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4552.094456][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4552.094459][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4552.094461][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4552.094463][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4552.094465][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4552.094467][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4552.094473][ C2] [ 4576.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2191s! [mptcp_connect:16956] [ 4576.512945][ 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 [ 4576.512961][ C2] irq event stamp: 64230 [ 4576.512963][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4576.512973][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4576.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4576.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4576.512991][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4576.512997][ C2] Tainted: [L]=SOFTLOCKUP [ 4576.512999][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4576.513001][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4576.513006][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4576.513010][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4576.513013][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4576.513015][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4576.513017][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4576.513020][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4576.513021][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4576.513024][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4576.513027][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4576.513031][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4576.513033][ C2] PKRU: 55555554 [ 4576.513034][ C2] Call Trace: [ 4576.513038][ C2] [ 4576.513042][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4576.513049][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4576.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4576.513058][ C2] ? lock_acquire+0x10c/0x170 [ 4576.513062][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4576.513067][ C2] mptcp_try_fallback+0x14b/0x360 [ 4576.513071][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4576.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4576.513081][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4576.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4576.513088][ C2] __mptcp_retrans+0x42a/0x960 [ 4576.513095][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4576.513100][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4576.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4576.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4576.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4576.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4576.513123][ C2] ? lock_acquire+0x10c/0x170 [ 4576.513126][ C2] ? release_sock+0x1f/0x1d0 [ 4576.513133][ C2] release_sock+0x17f/0x1d0 [ 4576.513137][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4576.513145][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4576.513148][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4576.513152][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4576.513159][ C2] ? find_held_lock+0x2b/0x80 [ 4576.513163][ C2] sock_write_iter+0x3c1/0x520 [ 4576.513168][ C2] ? __up_write+0x1ad/0x530 [ 4576.513173][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4576.513180][ C2] ? ksys_write+0xf7/0x1d0 [ 4576.513187][ C2] vfs_write+0xc0c/0x1210 [ 4576.513190][ C2] ? ksys_write+0x137/0x1d0 [ 4576.513193][ C2] ? __lock_release+0x5d/0x170 [ 4576.513197][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4576.513201][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4576.513208][ C2] ksys_write+0x183/0x1d0 [ 4576.513212][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4576.513214][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4576.513222][ C2] do_syscall_64+0xc1/0x380 [ 4576.513226][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4576.513230][ C2] RIP: 0033:0x7f471c970337 [ 4576.513239][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4576.513240][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4576.513243][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4576.513246][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4576.513248][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4576.513250][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4576.513252][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4576.513258][ C2] [ 4590.607320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4590.607699][ C2] rcu: 2-....: (2364206 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=876090 [ 4590.608072][ C2] rcu: (t=2366090 jiffies g=1286133 q=44888 ncpus=4) [ 4590.608426][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4590.608433][ C2] Tainted: [L]=SOFTLOCKUP [ 4590.608434][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4590.608437][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4590.608447][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4590.608450][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4590.608454][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4590.608456][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4590.608458][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4590.608460][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4590.608462][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4590.608464][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4590.608467][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4590.608471][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4590.608473][ C2] PKRU: 55555554 [ 4590.608474][ C2] Call Trace: [ 4590.608475][ C2] [ 4590.608477][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4590.608485][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4590.608490][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4590.608493][ C2] ? lock_acquire+0x10c/0x170 [ 4590.608497][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4590.608504][ C2] mptcp_try_fallback+0x14b/0x360 [ 4590.608507][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4590.608514][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4590.608516][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4590.608519][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4590.608524][ C2] __mptcp_retrans+0x42a/0x960 [ 4590.608530][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4590.608535][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4590.608542][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4590.608550][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4590.608553][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4590.608556][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4590.608558][ C2] ? lock_acquire+0x10c/0x170 [ 4590.608561][ C2] ? release_sock+0x1f/0x1d0 [ 4590.608567][ C2] release_sock+0x17f/0x1d0 [ 4590.608571][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4590.608578][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4590.608582][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4590.608586][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4590.608591][ C2] ? find_held_lock+0x2b/0x80 [ 4590.608596][ C2] sock_write_iter+0x3c1/0x520 [ 4590.608600][ C2] ? __up_write+0x1ad/0x530 [ 4590.608605][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4590.608612][ C2] ? ksys_write+0xf7/0x1d0 [ 4590.608619][ C2] vfs_write+0xc0c/0x1210 [ 4590.608622][ C2] ? ksys_write+0x137/0x1d0 [ 4590.608624][ C2] ? __lock_release+0x5d/0x170 [ 4590.608628][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4590.608632][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4590.608639][ C2] ksys_write+0x183/0x1d0 [ 4590.608642][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4590.608645][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4590.608652][ C2] do_syscall_64+0xc1/0x380 [ 4590.608656][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4590.608659][ C2] RIP: 0033:0x7f471c970337 [ 4590.608668][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4590.608670][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4590.608673][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4590.608675][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4590.608677][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4590.608679][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4590.608681][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4590.608687][ C2] [ 4616.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2228s! [mptcp_connect:16956] [ 4616.512946][ 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 [ 4616.512962][ C2] irq event stamp: 64230 [ 4616.512964][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4616.512974][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4616.512979][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4616.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4616.512992][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4616.512998][ C2] Tainted: [L]=SOFTLOCKUP [ 4616.512999][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4616.513002][ C2] RIP: 0010:kasan_check_range+0x106/0x1c0 [ 4616.513009][ 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 [ 4616.513012][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000246 [ 4616.513015][ C2] RAX: ffffed100170bd67 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 4616.513017][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4616.513020][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 4616.513022][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4616.513023][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4616.513026][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4616.513028][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4616.513032][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4616.513035][ C2] PKRU: 55555554 [ 4616.513036][ C2] Call Trace: [ 4616.513040][ C2] [ 4616.513044][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4616.513050][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4616.513057][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4616.513063][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4616.513065][ C2] ? lock_acquire+0x10c/0x170 [ 4616.513069][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4616.513074][ C2] mptcp_try_fallback+0x14b/0x360 [ 4616.513078][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4616.513085][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4616.513087][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4616.513090][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4616.513095][ C2] __mptcp_retrans+0x42a/0x960 [ 4616.513101][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4616.513106][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4616.513113][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4616.513121][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4616.513123][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4616.513126][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4616.513129][ C2] ? lock_acquire+0x10c/0x170 [ 4616.513132][ C2] ? release_sock+0x1f/0x1d0 [ 4616.513138][ C2] release_sock+0x17f/0x1d0 [ 4616.513142][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4616.513150][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4616.513153][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4616.513157][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4616.513163][ C2] ? find_held_lock+0x2b/0x80 [ 4616.513167][ C2] sock_write_iter+0x3c1/0x520 [ 4616.513172][ C2] ? __up_write+0x1ad/0x530 [ 4616.513177][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4616.513183][ C2] ? ksys_write+0xf7/0x1d0 [ 4616.513189][ C2] vfs_write+0xc0c/0x1210 [ 4616.513193][ C2] ? ksys_write+0x137/0x1d0 [ 4616.513195][ C2] ? __lock_release+0x5d/0x170 [ 4616.513199][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4616.513203][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4616.513210][ C2] ksys_write+0x183/0x1d0 [ 4616.513213][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4616.513216][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4616.513223][ C2] do_syscall_64+0xc1/0x380 [ 4616.513227][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4616.513231][ C2] RIP: 0033:0x7f471c970337 [ 4616.513240][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4616.513242][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4616.513245][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4616.513247][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4616.513249][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4616.513251][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4616.513253][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4616.513259][ C2] [ 4644.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2254s! [mptcp_connect:16956] [ 4644.512948][ 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 [ 4644.512966][ C2] irq event stamp: 64230 [ 4644.512968][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4644.512980][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4644.512984][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4644.512991][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4644.513001][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4644.513006][ C2] Tainted: [L]=SOFTLOCKUP [ 4644.513008][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4644.513011][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4644.513017][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4644.513021][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4644.513024][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4644.513027][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4644.513029][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4644.513031][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4644.513033][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4644.513035][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4644.513038][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4644.513043][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4644.513045][ C2] PKRU: 55555554 [ 4644.513046][ C2] Call Trace: [ 4644.513050][ C2] [ 4644.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4644.513063][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4644.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4644.513073][ C2] ? lock_acquire+0x10c/0x170 [ 4644.513078][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4644.513083][ C2] mptcp_try_fallback+0x14b/0x360 [ 4644.513088][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4644.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4644.513098][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4644.513101][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4644.513106][ C2] __mptcp_retrans+0x42a/0x960 [ 4644.513112][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4644.513117][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4644.513125][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4644.513133][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4644.513136][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4644.513139][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4644.513142][ C2] ? lock_acquire+0x10c/0x170 [ 4644.513145][ C2] ? release_sock+0x1f/0x1d0 [ 4644.513152][ C2] release_sock+0x17f/0x1d0 [ 4644.513157][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4644.513164][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4644.513168][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4644.513172][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4644.513178][ C2] ? find_held_lock+0x2b/0x80 [ 4644.513182][ C2] sock_write_iter+0x3c1/0x520 [ 4644.513189][ C2] ? __up_write+0x1ad/0x530 [ 4644.513194][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4644.513201][ C2] ? ksys_write+0xf7/0x1d0 [ 4644.513209][ C2] vfs_write+0xc0c/0x1210 [ 4644.513212][ C2] ? ksys_write+0x137/0x1d0 [ 4644.513215][ C2] ? __lock_release+0x5d/0x170 [ 4644.513219][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4644.513223][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4644.513230][ C2] ksys_write+0x183/0x1d0 [ 4644.513234][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4644.513237][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4644.513245][ C2] do_syscall_64+0xc1/0x380 [ 4644.513250][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4644.513254][ C2] RIP: 0033:0x7f471c970337 [ 4644.513265][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4644.513267][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4644.513270][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4644.513273][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4644.513275][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4644.513277][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4644.513279][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4644.513285][ C2] [ 4650.397357][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2395845 jiffies s: 68525 root: 0x4/. [ 4650.397988][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4650.398256][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4650.398465][ C2] NMI backtrace for cpu 2 [ 4650.398479][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4650.398486][ C2] Tainted: [L]=SOFTLOCKUP [ 4650.398488][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4650.398491][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4650.398502][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4650.398505][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4650.398509][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4650.398512][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4650.398514][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4650.398516][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4650.398518][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4650.398520][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4650.398523][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4650.398527][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4650.398529][ C2] PKRU: 55555554 [ 4650.398531][ C2] Call Trace: [ 4650.398535][ C2] [ 4650.398540][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4650.398548][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4650.398555][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4650.398558][ C2] ? lock_acquire+0x10c/0x170 [ 4650.398562][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4650.398569][ C2] mptcp_try_fallback+0x14b/0x360 [ 4650.398573][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4650.398580][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4650.398583][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4650.398586][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4650.398591][ C2] __mptcp_retrans+0x42a/0x960 [ 4650.398597][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4650.398602][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4650.398610][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4650.398617][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4650.398620][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4650.398623][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4650.398626][ C2] ? lock_acquire+0x10c/0x170 [ 4650.398629][ C2] ? release_sock+0x1f/0x1d0 [ 4650.398636][ C2] release_sock+0x17f/0x1d0 [ 4650.398640][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4650.398648][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4650.398652][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4650.398656][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4650.398662][ C2] ? find_held_lock+0x2b/0x80 [ 4650.398666][ C2] sock_write_iter+0x3c1/0x520 [ 4650.398672][ C2] ? __up_write+0x1ad/0x530 [ 4650.398677][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4650.398683][ C2] ? ksys_write+0xf7/0x1d0 [ 4650.398690][ C2] vfs_write+0xc0c/0x1210 [ 4650.398695][ C2] ? ksys_write+0x137/0x1d0 [ 4650.398697][ C2] ? __lock_release+0x5d/0x170 [ 4650.398701][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4650.398705][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4650.398712][ C2] ksys_write+0x183/0x1d0 [ 4650.398716][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4650.398718][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4650.398725][ C2] do_syscall_64+0xc1/0x380 [ 4650.398730][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4650.398734][ C2] RIP: 0033:0x7f471c970337 [ 4650.398744][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4650.398746][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4650.398749][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4650.398751][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4650.398753][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4650.398756][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4650.398757][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4650.398763][ C2] [ 4668.610323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4668.610751][ C2] rcu: 2-....: (2442143 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=913558 [ 4668.611243][ C2] rcu: (t=2444093 jiffies g=1286133 q=46236 ncpus=4) [ 4668.611485][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4668.611492][ C2] Tainted: [L]=SOFTLOCKUP [ 4668.611494][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4668.611496][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 4668.611506][ 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 [ 4668.611510][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4668.611514][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4668.611516][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4668.611518][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4668.611520][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4668.611522][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4668.611524][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4668.611527][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4668.611531][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4668.611533][ C2] PKRU: 55555554 [ 4668.611535][ C2] Call Trace: [ 4668.611536][ C2] [ 4668.611538][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4668.611546][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4668.611551][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4668.611554][ C2] ? lock_acquire+0x10c/0x170 [ 4668.611558][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4668.611566][ C2] mptcp_try_fallback+0x14b/0x360 [ 4668.611569][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4668.611576][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4668.611578][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4668.611581][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4668.611586][ C2] __mptcp_retrans+0x42a/0x960 [ 4668.611592][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4668.611597][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4668.611605][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4668.611612][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4668.611615][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4668.611618][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4668.611621][ C2] ? lock_acquire+0x10c/0x170 [ 4668.611624][ C2] ? release_sock+0x1f/0x1d0 [ 4668.611630][ C2] release_sock+0x17f/0x1d0 [ 4668.611634][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4668.611641][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4668.611645][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4668.611649][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4668.611655][ C2] ? find_held_lock+0x2b/0x80 [ 4668.611659][ C2] sock_write_iter+0x3c1/0x520 [ 4668.611664][ C2] ? __up_write+0x1ad/0x530 [ 4668.611669][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4668.611676][ C2] ? ksys_write+0xf7/0x1d0 [ 4668.611683][ C2] vfs_write+0xc0c/0x1210 [ 4668.611686][ C2] ? ksys_write+0x137/0x1d0 [ 4668.611689][ C2] ? __lock_release+0x5d/0x170 [ 4668.611693][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4668.611697][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4668.611704][ C2] ksys_write+0x183/0x1d0 [ 4668.611707][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4668.611710][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4668.611717][ C2] do_syscall_64+0xc1/0x380 [ 4668.611721][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4668.611724][ C2] RIP: 0033:0x7f471c970337 [ 4668.611734][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4668.611735][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4668.611738][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4668.611740][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4668.611742][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4668.611744][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4668.611746][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4668.611752][ C2] [ 4696.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2302s! [mptcp_connect:16956] [ 4696.512945][ 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 [ 4696.512961][ C2] irq event stamp: 64230 [ 4696.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4696.512974][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4696.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4696.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4696.512993][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4696.512998][ C2] Tainted: [L]=SOFTLOCKUP [ 4696.513000][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4696.513002][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4696.513008][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4696.513011][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4696.513014][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4696.513017][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4696.513019][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4696.513021][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4696.513023][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4696.513025][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4696.513028][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4696.513032][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4696.513035][ C2] PKRU: 55555554 [ 4696.513036][ C2] Call Trace: [ 4696.513040][ C2] [ 4696.513044][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4696.513052][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4696.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4696.513061][ C2] ? lock_acquire+0x10c/0x170 [ 4696.513065][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4696.513070][ C2] mptcp_try_fallback+0x14b/0x360 [ 4696.513075][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4696.513081][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4696.513084][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4696.513087][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4696.513092][ C2] __mptcp_retrans+0x42a/0x960 [ 4696.513098][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4696.513103][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4696.513110][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4696.513118][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4696.513120][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4696.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4696.513126][ C2] ? lock_acquire+0x10c/0x170 [ 4696.513129][ C2] ? release_sock+0x1f/0x1d0 [ 4696.513135][ C2] release_sock+0x17f/0x1d0 [ 4696.513139][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4696.513147][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4696.513151][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4696.513155][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4696.513161][ C2] ? find_held_lock+0x2b/0x80 [ 4696.513165][ C2] sock_write_iter+0x3c1/0x520 [ 4696.513171][ C2] ? __up_write+0x1ad/0x530 [ 4696.513175][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4696.513182][ C2] ? ksys_write+0xf7/0x1d0 [ 4696.513189][ C2] vfs_write+0xc0c/0x1210 [ 4696.513193][ C2] ? ksys_write+0x137/0x1d0 [ 4696.513196][ C2] ? __lock_release+0x5d/0x170 [ 4696.513200][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4696.513204][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4696.513211][ C2] ksys_write+0x183/0x1d0 [ 4696.513214][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4696.513217][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4696.513224][ C2] do_syscall_64+0xc1/0x380 [ 4696.513228][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4696.513233][ C2] RIP: 0033:0x7f471c970337 [ 4696.513241][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4696.513243][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4696.513246][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4696.513248][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4696.513250][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4696.513252][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4696.513254][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4696.513260][ C2] [ 4724.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2329s! [mptcp_connect:16956] [ 4724.512943][ 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 [ 4724.512960][ C2] irq event stamp: 64230 [ 4724.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4724.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4724.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4724.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4724.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4724.512996][ C2] Tainted: [L]=SOFTLOCKUP [ 4724.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4724.513001][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4724.513006][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4724.513009][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4724.513012][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4724.513015][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4724.513017][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4724.513019][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4724.513021][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4724.513023][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4724.513026][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4724.513031][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4724.513034][ C2] PKRU: 55555554 [ 4724.513035][ C2] Call Trace: [ 4724.513039][ C2] [ 4724.513043][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4724.513051][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4724.513057][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4724.513060][ C2] ? lock_acquire+0x10c/0x170 [ 4724.513063][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4724.513068][ C2] mptcp_try_fallback+0x14b/0x360 [ 4724.513073][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4724.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4724.513082][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4724.513085][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4724.513090][ C2] __mptcp_retrans+0x42a/0x960 [ 4724.513097][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4724.513102][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4724.513110][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4724.513117][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4724.513120][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4724.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4724.513126][ C2] ? lock_acquire+0x10c/0x170 [ 4724.513129][ C2] ? release_sock+0x1f/0x1d0 [ 4724.513135][ C2] release_sock+0x17f/0x1d0 [ 4724.513140][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4724.513148][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4724.513151][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4724.513155][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4724.513162][ C2] ? find_held_lock+0x2b/0x80 [ 4724.513166][ C2] sock_write_iter+0x3c1/0x520 [ 4724.513171][ C2] ? __up_write+0x1ad/0x530 [ 4724.513176][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4724.513183][ C2] ? ksys_write+0xf7/0x1d0 [ 4724.513190][ C2] vfs_write+0xc0c/0x1210 [ 4724.513194][ C2] ? ksys_write+0x137/0x1d0 [ 4724.513196][ C2] ? __lock_release+0x5d/0x170 [ 4724.513200][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4724.513204][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4724.513211][ C2] ksys_write+0x183/0x1d0 [ 4724.513215][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4724.513217][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4724.513224][ C2] do_syscall_64+0xc1/0x380 [ 4724.513229][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4724.513233][ C2] RIP: 0033:0x7f471c970337 [ 4724.513242][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4724.513243][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4724.513246][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4724.513248][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4724.513250][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4724.513252][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4724.513254][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4724.513260][ C2] [ 4746.613320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4746.613692][ C2] rcu: 2-....: (2520097 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=952451 [ 4746.614111][ C2] rcu: (t=2522096 jiffies g=1286133 q=47259 ncpus=4) [ 4746.614490][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4746.614496][ C2] Tainted: [L]=SOFTLOCKUP [ 4746.614498][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4746.614500][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 4746.614510][ 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 [ 4746.614514][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 4746.614518][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4746.614520][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4746.614522][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4746.614524][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4746.614526][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4746.614528][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4746.614531][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4746.614535][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4746.614538][ C2] PKRU: 55555554 [ 4746.614539][ C2] Call Trace: [ 4746.614541][ C2] [ 4746.614543][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4746.614551][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4746.614556][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4746.614559][ C2] ? lock_acquire+0x10c/0x170 [ 4746.614562][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4746.614570][ C2] mptcp_try_fallback+0x14b/0x360 [ 4746.614573][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4746.614579][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4746.614582][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4746.614585][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4746.614590][ C2] __mptcp_retrans+0x42a/0x960 [ 4746.614596][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4746.614601][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4746.614608][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4746.614616][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4746.614619][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4746.614622][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4746.614625][ C2] ? lock_acquire+0x10c/0x170 [ 4746.614628][ C2] ? release_sock+0x1f/0x1d0 [ 4746.614634][ C2] release_sock+0x17f/0x1d0 [ 4746.614637][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4746.614645][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4746.614649][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4746.614652][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4746.614658][ C2] ? find_held_lock+0x2b/0x80 [ 4746.614662][ C2] sock_write_iter+0x3c1/0x520 [ 4746.614667][ C2] ? __up_write+0x1ad/0x530 [ 4746.614672][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4746.614678][ C2] ? ksys_write+0xf7/0x1d0 [ 4746.614685][ C2] vfs_write+0xc0c/0x1210 [ 4746.614689][ C2] ? ksys_write+0x137/0x1d0 [ 4746.614691][ C2] ? __lock_release+0x5d/0x170 [ 4746.614695][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4746.614699][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4746.614706][ C2] ksys_write+0x183/0x1d0 [ 4746.614709][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4746.614712][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4746.614719][ C2] do_syscall_64+0xc1/0x380 [ 4746.614723][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4746.614727][ C2] RIP: 0033:0x7f471c970337 [ 4746.614736][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4746.614738][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4746.614741][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4746.614743][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4746.614745][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4746.614747][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4746.614749][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4746.614755][ C2] [ 4748.701346][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2494149 jiffies s: 68525 root: 0x4/. [ 4748.701797][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4748.702095][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4748.702268][ C2] NMI backtrace for cpu 2 [ 4748.702278][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4748.702284][ C2] Tainted: [L]=SOFTLOCKUP [ 4748.702285][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4748.702288][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 4748.702296][ 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 [ 4748.702299][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 4748.702303][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 4748.702305][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 4748.702308][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 4748.702310][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 4748.702312][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 4748.702314][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4748.702318][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4748.702322][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4748.702324][ C2] PKRU: 55555554 [ 4748.702325][ C2] Call Trace: [ 4748.702327][ C2] [ 4748.702329][ C2] ioapic_ack_level+0xcf/0x3d0 [ 4748.702339][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 4748.702346][ C2] __common_interrupt+0xad/0x1d0 [ 4748.702352][ C2] common_interrupt+0xb9/0xe0 [ 4748.702358][ C2] [ 4748.702359][ C2] [ 4748.702361][ C2] asm_common_interrupt+0x26/0x40 [ 4748.702366][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 4748.702372][ C2] Code: c7 c7 40 05 87 a3 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 [ 4748.702375][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 4748.702377][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4748.702379][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4748.702381][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4748.702383][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4748.702385][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4748.702389][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 4748.702397][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4748.702402][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4748.702409][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4748.702413][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4748.702416][ C2] ? lock_acquire+0x10c/0x170 [ 4748.702420][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4748.702427][ C2] mptcp_try_fallback+0x14b/0x360 [ 4748.702432][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4748.702438][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4748.702441][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4748.702444][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4748.702449][ C2] __mptcp_retrans+0x42a/0x960 [ 4748.702455][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4748.702460][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4748.702466][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4748.702474][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4748.702477][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4748.702480][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4748.702483][ C2] ? lock_acquire+0x10c/0x170 [ 4748.702486][ C2] ? release_sock+0x1f/0x1d0 [ 4748.702492][ C2] release_sock+0x17f/0x1d0 [ 4748.702496][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4748.702503][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4748.702507][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4748.702511][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4748.702517][ C2] ? find_held_lock+0x2b/0x80 [ 4748.702521][ C2] sock_write_iter+0x3c1/0x520 [ 4748.702526][ C2] ? __up_write+0x1ad/0x530 [ 4748.702531][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4748.702537][ C2] ? ksys_write+0xf7/0x1d0 [ 4748.702543][ C2] vfs_write+0xc0c/0x1210 [ 4748.702547][ C2] ? ksys_write+0x137/0x1d0 [ 4748.702550][ C2] ? __lock_release+0x5d/0x170 [ 4748.702554][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4748.702557][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4748.702564][ C2] ksys_write+0x183/0x1d0 [ 4748.702568][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4748.702570][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4748.702577][ C2] do_syscall_64+0xc1/0x380 [ 4748.702581][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4748.702584][ C2] RIP: 0033:0x7f471c970337 [ 4748.702592][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4748.702594][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4748.702597][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4748.702599][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4748.702601][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4748.702603][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4748.702604][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4748.702610][ C2] [ 4776.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2377s! [mptcp_connect:16956] [ 4776.512944][ 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 [ 4776.512960][ C2] irq event stamp: 64230 [ 4776.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4776.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4776.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4776.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4776.512992][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4776.512998][ C2] Tainted: [L]=SOFTLOCKUP [ 4776.512999][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4776.513002][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4776.513007][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4776.513010][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4776.513014][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4776.513016][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4776.513019][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4776.513021][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4776.513023][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4776.513025][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4776.513028][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4776.513032][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4776.513034][ C2] PKRU: 55555554 [ 4776.513036][ C2] Call Trace: [ 4776.513039][ C2] [ 4776.513044][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4776.513052][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4776.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4776.513061][ C2] ? lock_acquire+0x10c/0x170 [ 4776.513065][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4776.513069][ C2] mptcp_try_fallback+0x14b/0x360 [ 4776.513074][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4776.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4776.513083][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4776.513086][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4776.513091][ C2] __mptcp_retrans+0x42a/0x960 [ 4776.513097][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4776.513102][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4776.513110][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4776.513117][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4776.513120][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4776.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4776.513126][ C2] ? lock_acquire+0x10c/0x170 [ 4776.513129][ C2] ? release_sock+0x1f/0x1d0 [ 4776.513135][ C2] release_sock+0x17f/0x1d0 [ 4776.513139][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4776.513147][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4776.513151][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4776.513155][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4776.513160][ C2] ? find_held_lock+0x2b/0x80 [ 4776.513164][ C2] sock_write_iter+0x3c1/0x520 [ 4776.513170][ C2] ? __up_write+0x1ad/0x530 [ 4776.513175][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4776.513182][ C2] ? ksys_write+0xf7/0x1d0 [ 4776.513189][ C2] vfs_write+0xc0c/0x1210 [ 4776.513193][ C2] ? ksys_write+0x137/0x1d0 [ 4776.513195][ C2] ? __lock_release+0x5d/0x170 [ 4776.513199][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4776.513203][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4776.513210][ C2] ksys_write+0x183/0x1d0 [ 4776.513214][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4776.513217][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4776.513223][ C2] do_syscall_64+0xc1/0x380 [ 4776.513228][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4776.513232][ C2] RIP: 0033:0x7f471c970337 [ 4776.513240][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4776.513242][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4776.513245][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4776.513248][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4776.513250][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4776.513252][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4776.513254][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4776.513260][ C2] [ 4804.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2403s! [mptcp_connect:16956] [ 4804.512943][ 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 [ 4804.512960][ C2] irq event stamp: 64230 [ 4804.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4804.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4804.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4804.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4804.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4804.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 4804.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4804.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 4804.513004][ 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 [ 4804.513007][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 4804.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4804.513013][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4804.513015][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4804.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4804.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4804.513021][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4804.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4804.513028][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4804.513030][ C2] PKRU: 55555554 [ 4804.513032][ C2] Call Trace: [ 4804.513036][ C2] [ 4804.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4804.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4804.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4804.513057][ C2] ? lock_acquire+0x10c/0x170 [ 4804.513061][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4804.513066][ C2] mptcp_try_fallback+0x14b/0x360 [ 4804.513071][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4804.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4804.513080][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4804.513083][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4804.513088][ C2] __mptcp_retrans+0x42a/0x960 [ 4804.513094][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4804.513099][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4804.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4804.513114][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4804.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4804.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4804.513123][ C2] ? lock_acquire+0x10c/0x170 [ 4804.513126][ C2] ? release_sock+0x1f/0x1d0 [ 4804.513132][ C2] release_sock+0x17f/0x1d0 [ 4804.513136][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4804.513144][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4804.513148][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4804.513152][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4804.513158][ C2] ? find_held_lock+0x2b/0x80 [ 4804.513162][ C2] sock_write_iter+0x3c1/0x520 [ 4804.513167][ C2] ? __up_write+0x1ad/0x530 [ 4804.513172][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4804.513179][ C2] ? ksys_write+0xf7/0x1d0 [ 4804.513186][ C2] vfs_write+0xc0c/0x1210 [ 4804.513190][ C2] ? ksys_write+0x137/0x1d0 [ 4804.513192][ C2] ? __lock_release+0x5d/0x170 [ 4804.513196][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4804.513200][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4804.513207][ C2] ksys_write+0x183/0x1d0 [ 4804.513211][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4804.513213][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4804.513220][ C2] do_syscall_64+0xc1/0x380 [ 4804.513225][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4804.513229][ C2] RIP: 0033:0x7f471c970337 [ 4804.513238][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4804.513240][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4804.513243][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4804.513245][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4804.513247][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4804.513249][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4804.513251][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4804.513257][ C2] [ 4824.616321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4824.616635][ C2] rcu: 2-....: (2598031 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=991348 [ 4824.617139][ C2] rcu: (t=2600099 jiffies g=1286133 q=48688 ncpus=4) [ 4824.617372][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4824.617378][ C2] Tainted: [L]=SOFTLOCKUP [ 4824.617380][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4824.617382][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4824.617392][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4824.617395][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4824.617400][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4824.617402][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4824.617404][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4824.617406][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4824.617408][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4824.617410][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4824.617413][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4824.617417][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4824.617419][ C2] PKRU: 55555554 [ 4824.617421][ C2] Call Trace: [ 4824.617422][ C2] [ 4824.617424][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4824.617432][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4824.617437][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4824.617440][ C2] ? lock_acquire+0x10c/0x170 [ 4824.617444][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4824.617451][ C2] mptcp_try_fallback+0x14b/0x360 [ 4824.617455][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4824.617461][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4824.617464][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4824.617467][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4824.617472][ C2] __mptcp_retrans+0x42a/0x960 [ 4824.617478][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4824.617484][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4824.617491][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4824.617499][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4824.617502][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4824.617505][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4824.617507][ C2] ? lock_acquire+0x10c/0x170 [ 4824.617510][ C2] ? release_sock+0x1f/0x1d0 [ 4824.617517][ C2] release_sock+0x17f/0x1d0 [ 4824.617520][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4824.617527][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4824.617531][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4824.617535][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4824.617541][ C2] ? find_held_lock+0x2b/0x80 [ 4824.617545][ C2] sock_write_iter+0x3c1/0x520 [ 4824.617550][ C2] ? __up_write+0x1ad/0x530 [ 4824.617555][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4824.617561][ C2] ? ksys_write+0xf7/0x1d0 [ 4824.617568][ C2] vfs_write+0xc0c/0x1210 [ 4824.617571][ C2] ? ksys_write+0x137/0x1d0 [ 4824.617574][ C2] ? __lock_release+0x5d/0x170 [ 4824.617578][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4824.617582][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4824.617589][ C2] ksys_write+0x183/0x1d0 [ 4824.617592][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4824.617595][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4824.617602][ C2] do_syscall_64+0xc1/0x380 [ 4824.617606][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4824.617609][ C2] RIP: 0033:0x7f471c970337 [ 4824.617619][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4824.617620][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4824.617623][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4824.617625][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4824.617627][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4824.617629][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4824.617631][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4824.617637][ C2] [ 4847.005343][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2592453 jiffies s: 68525 root: 0x4/. [ 4847.005838][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4847.006148][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4847.006358][ C2] NMI backtrace for cpu 2 [ 4847.006368][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4847.006374][ C2] Tainted: [L]=SOFTLOCKUP [ 4847.006376][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4847.006379][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4847.006388][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4847.006392][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4847.006395][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4847.006398][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4847.006400][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4847.006402][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4847.006404][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4847.006406][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4847.006409][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4847.006413][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4847.006415][ C2] PKRU: 55555554 [ 4847.006417][ C2] Call Trace: [ 4847.006420][ C2] [ 4847.006424][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4847.006431][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4847.006438][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4847.006441][ C2] ? lock_acquire+0x10c/0x170 [ 4847.006445][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4847.006452][ C2] mptcp_try_fallback+0x14b/0x360 [ 4847.006456][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4847.006462][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4847.006465][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4847.006468][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4847.006473][ C2] __mptcp_retrans+0x42a/0x960 [ 4847.006479][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4847.006484][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4847.006491][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4847.006499][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4847.006502][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4847.006505][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4847.006508][ C2] ? lock_acquire+0x10c/0x170 [ 4847.006511][ C2] ? release_sock+0x1f/0x1d0 [ 4847.006517][ C2] release_sock+0x17f/0x1d0 [ 4847.006521][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4847.006529][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4847.006533][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4847.006537][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4847.006542][ C2] ? find_held_lock+0x2b/0x80 [ 4847.006547][ C2] sock_write_iter+0x3c1/0x520 [ 4847.006552][ C2] ? __up_write+0x1ad/0x530 [ 4847.006557][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4847.006563][ C2] ? ksys_write+0xf7/0x1d0 [ 4847.006570][ C2] vfs_write+0xc0c/0x1210 [ 4847.006574][ C2] ? ksys_write+0x137/0x1d0 [ 4847.006576][ C2] ? __lock_release+0x5d/0x170 [ 4847.006580][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4847.006584][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4847.006592][ C2] ksys_write+0x183/0x1d0 [ 4847.006595][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4847.006598][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4847.006604][ C2] do_syscall_64+0xc1/0x380 [ 4847.006608][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4847.006613][ C2] RIP: 0033:0x7f471c970337 [ 4847.006621][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4847.006623][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4847.006626][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4847.006628][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4847.006630][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4847.006632][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4847.006634][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4847.006640][ C2] [ 4872.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2466s! [mptcp_connect:16956] [ 4872.512943][ 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 [ 4872.512959][ C2] irq event stamp: 64230 [ 4872.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4872.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4872.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4872.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4872.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4872.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 4872.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4872.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4872.513004][ 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 [ 4872.513007][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4872.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4872.513013][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4872.513015][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4872.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4872.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4872.513021][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4872.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4872.513028][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4872.513030][ C2] PKRU: 55555554 [ 4872.513032][ C2] Call Trace: [ 4872.513035][ C2] [ 4872.513039][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4872.513047][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4872.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4872.513055][ C2] ? lock_acquire+0x10c/0x170 [ 4872.513059][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4872.513064][ C2] mptcp_try_fallback+0x14b/0x360 [ 4872.513069][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4872.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4872.513078][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4872.513081][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4872.513086][ C2] __mptcp_retrans+0x42a/0x960 [ 4872.513092][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4872.513097][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4872.513104][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4872.513113][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4872.513115][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4872.513119][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4872.513122][ C2] ? lock_acquire+0x10c/0x170 [ 4872.513125][ C2] ? release_sock+0x1f/0x1d0 [ 4872.513131][ C2] release_sock+0x17f/0x1d0 [ 4872.513135][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4872.513143][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4872.513147][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4872.513151][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4872.513157][ C2] ? find_held_lock+0x2b/0x80 [ 4872.513161][ C2] sock_write_iter+0x3c1/0x520 [ 4872.513166][ C2] ? __up_write+0x1ad/0x530 [ 4872.513172][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4872.513179][ C2] ? ksys_write+0xf7/0x1d0 [ 4872.513185][ C2] vfs_write+0xc0c/0x1210 [ 4872.513189][ C2] ? ksys_write+0x137/0x1d0 [ 4872.513192][ C2] ? __lock_release+0x5d/0x170 [ 4872.513195][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4872.513199][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4872.513207][ C2] ksys_write+0x183/0x1d0 [ 4872.513210][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4872.513213][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4872.513220][ C2] do_syscall_64+0xc1/0x380 [ 4872.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4872.513228][ C2] RIP: 0033:0x7f471c970337 [ 4872.513237][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4872.513239][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4872.513242][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4872.513244][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4872.513246][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4872.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4872.513250][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4872.513256][ C2] [ 4900.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2492s! [mptcp_connect:16956] [ 4900.512945][ 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 [ 4900.512961][ C2] irq event stamp: 64230 [ 4900.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4900.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4900.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4900.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4900.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4900.512996][ C2] Tainted: [L]=SOFTLOCKUP [ 4900.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4900.513000][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4900.513005][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4900.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4900.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4900.513014][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4900.513016][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4900.513018][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4900.513020][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4900.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4900.513025][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4900.513029][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4900.513031][ C2] PKRU: 55555554 [ 4900.513032][ C2] Call Trace: [ 4900.513036][ C2] [ 4900.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4900.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4900.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4900.513057][ C2] ? lock_acquire+0x10c/0x170 [ 4900.513061][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4900.513066][ C2] mptcp_try_fallback+0x14b/0x360 [ 4900.513070][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4900.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4900.513080][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4900.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4900.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 4900.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4900.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4900.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4900.513113][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4900.513115][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4900.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4900.513121][ C2] ? lock_acquire+0x10c/0x170 [ 4900.513124][ C2] ? release_sock+0x1f/0x1d0 [ 4900.513130][ C2] release_sock+0x17f/0x1d0 [ 4900.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4900.513142][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4900.513145][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4900.513149][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4900.513155][ C2] ? find_held_lock+0x2b/0x80 [ 4900.513159][ C2] sock_write_iter+0x3c1/0x520 [ 4900.513165][ C2] ? __up_write+0x1ad/0x530 [ 4900.513169][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4900.513176][ C2] ? ksys_write+0xf7/0x1d0 [ 4900.513182][ C2] vfs_write+0xc0c/0x1210 [ 4900.513187][ C2] ? ksys_write+0x137/0x1d0 [ 4900.513190][ C2] ? __lock_release+0x5d/0x170 [ 4900.513194][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4900.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4900.513205][ C2] ksys_write+0x183/0x1d0 [ 4900.513208][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4900.513211][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4900.513217][ C2] do_syscall_64+0xc1/0x380 [ 4900.513222][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4900.513227][ C2] RIP: 0033:0x7f471c970337 [ 4900.513235][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4900.513237][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4900.513240][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4900.513242][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4900.513244][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4900.513246][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4900.513248][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4900.513254][ C2] [ 4902.619321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4902.619648][ C2] rcu: 2-....: (2675970 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1030271 [ 4902.620147][ C2] rcu: (t=2678102 jiffies g=1286133 q=50033 ncpus=4) [ 4902.620385][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4902.620391][ C2] Tainted: [L]=SOFTLOCKUP [ 4902.620393][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4902.620395][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4902.620405][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4902.620409][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4902.620413][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4902.620416][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4902.620418][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4902.620420][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4902.620422][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4902.620424][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4902.620427][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4902.620431][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4902.620433][ C2] PKRU: 55555554 [ 4902.620435][ C2] Call Trace: [ 4902.620436][ C2] [ 4902.620439][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4902.620447][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4902.620452][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4902.620455][ C2] ? lock_acquire+0x10c/0x170 [ 4902.620459][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4902.620466][ C2] mptcp_try_fallback+0x14b/0x360 [ 4902.620469][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4902.620476][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4902.620479][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4902.620481][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4902.620486][ C2] __mptcp_retrans+0x42a/0x960 [ 4902.620492][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4902.620497][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4902.620505][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4902.620512][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4902.620515][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4902.620518][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4902.620521][ C2] ? lock_acquire+0x10c/0x170 [ 4902.620524][ C2] ? release_sock+0x1f/0x1d0 [ 4902.620530][ C2] release_sock+0x17f/0x1d0 [ 4902.620534][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4902.620541][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4902.620545][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4902.620549][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4902.620554][ C2] ? find_held_lock+0x2b/0x80 [ 4902.620558][ C2] sock_write_iter+0x3c1/0x520 [ 4902.620563][ C2] ? __up_write+0x1ad/0x530 [ 4902.620568][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4902.620574][ C2] ? ksys_write+0xf7/0x1d0 [ 4902.620581][ C2] vfs_write+0xc0c/0x1210 [ 4902.620584][ C2] ? ksys_write+0x137/0x1d0 [ 4902.620587][ C2] ? __lock_release+0x5d/0x170 [ 4902.620591][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4902.620595][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4902.620602][ C2] ksys_write+0x183/0x1d0 [ 4902.620605][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4902.620608][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4902.620614][ C2] do_syscall_64+0xc1/0x380 [ 4902.620618][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4902.620622][ C2] RIP: 0033:0x7f471c970337 [ 4902.620630][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4902.620632][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4902.620635][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4902.620637][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4902.620639][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4902.620641][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4902.620643][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4902.620649][ C2] [ 4928.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2519s! [mptcp_connect:16956] [ 4928.512945][ 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 [ 4928.512962][ C2] irq event stamp: 64230 [ 4928.512964][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4928.512974][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4928.512979][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4928.512985][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4928.512993][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4928.512999][ C2] Tainted: [L]=SOFTLOCKUP [ 4928.513001][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4928.513003][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4928.513009][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4928.513013][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4928.513016][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4928.513018][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4928.513020][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4928.513022][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4928.513024][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4928.513027][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4928.513029][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4928.513034][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4928.513037][ C2] PKRU: 55555554 [ 4928.513038][ C2] Call Trace: [ 4928.513042][ C2] [ 4928.513047][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4928.513054][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4928.513061][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4928.513064][ C2] ? lock_acquire+0x10c/0x170 [ 4928.513068][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4928.513073][ C2] mptcp_try_fallback+0x14b/0x360 [ 4928.513077][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4928.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4928.513087][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4928.513090][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4928.513095][ C2] __mptcp_retrans+0x42a/0x960 [ 4928.513101][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4928.513106][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4928.513114][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4928.513121][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4928.513124][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4928.513127][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4928.513129][ C2] ? lock_acquire+0x10c/0x170 [ 4928.513132][ C2] ? release_sock+0x1f/0x1d0 [ 4928.513139][ C2] release_sock+0x17f/0x1d0 [ 4928.513142][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4928.513150][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4928.513154][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4928.513158][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4928.513164][ C2] ? find_held_lock+0x2b/0x80 [ 4928.513168][ C2] sock_write_iter+0x3c1/0x520 [ 4928.513173][ C2] ? __up_write+0x1ad/0x530 [ 4928.513178][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4928.513185][ C2] ? ksys_write+0xf7/0x1d0 [ 4928.513191][ C2] vfs_write+0xc0c/0x1210 [ 4928.513195][ C2] ? ksys_write+0x137/0x1d0 [ 4928.513198][ C2] ? __lock_release+0x5d/0x170 [ 4928.513202][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4928.513205][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4928.513213][ C2] ksys_write+0x183/0x1d0 [ 4928.513217][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4928.513219][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4928.513227][ C2] do_syscall_64+0xc1/0x380 [ 4928.513231][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4928.513235][ C2] RIP: 0033:0x7f471c970337 [ 4928.513244][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4928.513246][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4928.513249][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4928.513251][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4928.513253][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4928.513255][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4928.513257][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4928.513264][ C2] [ 4945.309342][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2690757 jiffies s: 68525 root: 0x4/. [ 4945.309767][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 4945.310020][ T17] Sending NMI from CPU 0 to CPUs 2: [ 4945.310177][ C2] NMI backtrace for cpu 2 [ 4945.310187][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4945.310194][ C2] Tainted: [L]=SOFTLOCKUP [ 4945.310195][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4945.310198][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 4945.310207][ 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 [ 4945.310210][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 4945.310214][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 4945.310216][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 4945.310219][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 4945.310221][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 4945.310223][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 4945.310225][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4945.310228][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4945.310232][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4945.310235][ C2] PKRU: 55555554 [ 4945.310236][ C2] Call Trace: [ 4945.310239][ C2] [ 4945.310241][ C2] ioapic_ack_level+0xcf/0x3d0 [ 4945.310251][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 4945.310258][ C2] __common_interrupt+0xad/0x1d0 [ 4945.310264][ C2] common_interrupt+0xb9/0xe0 [ 4945.310270][ C2] [ 4945.310271][ C2] [ 4945.310273][ C2] asm_common_interrupt+0x26/0x40 [ 4945.310277][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 4945.310283][ 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 [ 4945.310286][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000282 [ 4945.310288][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4945.310290][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4945.310292][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4945.310294][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4945.310296][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4945.310300][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 4945.310309][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 4945.310313][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4945.310321][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4945.310326][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4945.310329][ C2] ? lock_acquire+0x10c/0x170 [ 4945.310333][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4945.310340][ C2] mptcp_try_fallback+0x14b/0x360 [ 4945.310344][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4945.310350][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4945.310353][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4945.310356][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4945.310361][ C2] __mptcp_retrans+0x42a/0x960 [ 4945.310368][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4945.310373][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4945.310380][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4945.310387][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4945.310390][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4945.310393][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4945.310395][ C2] ? lock_acquire+0x10c/0x170 [ 4945.310399][ C2] ? release_sock+0x1f/0x1d0 [ 4945.310405][ C2] release_sock+0x17f/0x1d0 [ 4945.310408][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4945.310416][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4945.310419][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4945.310423][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4945.310429][ C2] ? find_held_lock+0x2b/0x80 [ 4945.310433][ C2] sock_write_iter+0x3c1/0x520 [ 4945.310439][ C2] ? __up_write+0x1ad/0x530 [ 4945.310443][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4945.310450][ C2] ? ksys_write+0xf7/0x1d0 [ 4945.310456][ C2] vfs_write+0xc0c/0x1210 [ 4945.310459][ C2] ? ksys_write+0x137/0x1d0 [ 4945.310462][ C2] ? __lock_release+0x5d/0x170 [ 4945.310466][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4945.310470][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4945.310477][ C2] ksys_write+0x183/0x1d0 [ 4945.310480][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4945.310483][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4945.310490][ C2] do_syscall_64+0xc1/0x380 [ 4945.310493][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4945.310497][ C2] RIP: 0033:0x7f471c970337 [ 4945.310506][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4945.310508][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4945.310511][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4945.310513][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4945.310515][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4945.310517][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4945.310519][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4945.310525][ C2] [ 4972.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2560s! [mptcp_connect:16956] [ 4972.512945][ 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 [ 4972.512961][ C2] irq event stamp: 64230 [ 4972.512963][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 4972.512975][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 4972.512979][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 4972.512985][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 4972.512993][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4972.512999][ C2] Tainted: [L]=SOFTLOCKUP [ 4972.513001][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4972.513003][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4972.513009][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4972.513012][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4972.513015][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4972.513017][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4972.513020][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4972.513022][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4972.513024][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4972.513026][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4972.513029][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4972.513033][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4972.513035][ C2] PKRU: 55555554 [ 4972.513036][ C2] Call Trace: [ 4972.513041][ C2] [ 4972.513044][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4972.513052][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4972.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4972.513061][ C2] ? lock_acquire+0x10c/0x170 [ 4972.513065][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4972.513070][ C2] mptcp_try_fallback+0x14b/0x360 [ 4972.513074][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4972.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4972.513083][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4972.513086][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4972.513091][ C2] __mptcp_retrans+0x42a/0x960 [ 4972.513097][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4972.513102][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4972.513109][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4972.513117][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4972.513119][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4972.513123][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4972.513125][ C2] ? lock_acquire+0x10c/0x170 [ 4972.513128][ C2] ? release_sock+0x1f/0x1d0 [ 4972.513134][ C2] release_sock+0x17f/0x1d0 [ 4972.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4972.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4972.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4972.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4972.513160][ C2] ? find_held_lock+0x2b/0x80 [ 4972.513164][ C2] sock_write_iter+0x3c1/0x520 [ 4972.513169][ C2] ? __up_write+0x1ad/0x530 [ 4972.513174][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4972.513181][ C2] ? ksys_write+0xf7/0x1d0 [ 4972.513188][ C2] vfs_write+0xc0c/0x1210 [ 4972.513192][ C2] ? ksys_write+0x137/0x1d0 [ 4972.513194][ C2] ? __lock_release+0x5d/0x170 [ 4972.513198][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4972.513202][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4972.513209][ C2] ksys_write+0x183/0x1d0 [ 4972.513213][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4972.513215][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4972.513223][ C2] do_syscall_64+0xc1/0x380 [ 4972.513227][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4972.513231][ C2] RIP: 0033:0x7f471c970337 [ 4972.513240][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4972.513242][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4972.513245][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4972.513247][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4972.513249][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4972.513251][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4972.513253][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4972.513259][ C2] [ 4980.622323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4980.622675][ C2] rcu: 2-....: (2753907 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1069068 [ 4980.623183][ C2] rcu: (t=2756105 jiffies g=1286133 q=51462 ncpus=4) [ 4980.623432][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 4980.623438][ C2] Tainted: [L]=SOFTLOCKUP [ 4980.623440][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4980.623443][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 4980.623455][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 4980.623459][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 4980.623463][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 4980.623465][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 4980.623467][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 4980.623469][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 4980.623471][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 4980.623474][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 4980.623476][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4980.623481][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 4980.623484][ C2] PKRU: 55555554 [ 4980.623485][ C2] Call Trace: [ 4980.623487][ C2] [ 4980.623490][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 4980.623498][ C2] do_raw_spin_lock+0x1e8/0x270 [ 4980.623503][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4980.623506][ C2] ? lock_acquire+0x10c/0x170 [ 4980.623511][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 4980.623518][ C2] mptcp_try_fallback+0x14b/0x360 [ 4980.623522][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 4980.623529][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4980.623532][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 4980.623535][ C2] ? __mptcp_retrans+0x34a/0x960 [ 4980.623540][ C2] __mptcp_retrans+0x42a/0x960 [ 4980.623545][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 4980.623551][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 4980.623558][ C2] mptcp_release_cb+0x5eb/0xac0 [ 4980.623566][ C2] ? do_raw_spin_lock+0x130/0x270 [ 4980.623569][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 4980.623572][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 4980.623575][ C2] ? lock_acquire+0x10c/0x170 [ 4980.623578][ C2] ? release_sock+0x1f/0x1d0 [ 4980.623584][ C2] release_sock+0x17f/0x1d0 [ 4980.623588][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 4980.623595][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 4980.623599][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 4980.623603][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 4980.623609][ C2] ? find_held_lock+0x2b/0x80 [ 4980.623613][ C2] sock_write_iter+0x3c1/0x520 [ 4980.623618][ C2] ? __up_write+0x1ad/0x530 [ 4980.623623][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 4980.623630][ C2] ? ksys_write+0xf7/0x1d0 [ 4980.623637][ C2] vfs_write+0xc0c/0x1210 [ 4980.623640][ C2] ? ksys_write+0x137/0x1d0 [ 4980.623643][ C2] ? __lock_release+0x5d/0x170 [ 4980.623647][ C2] ? __pfx_vfs_write+0x10/0x10 [ 4980.623650][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 4980.623658][ C2] ksys_write+0x183/0x1d0 [ 4980.623661][ C2] ? __pfx_ksys_write+0x10/0x10 [ 4980.623664][ C2] ? do_user_addr_fault+0x959/0xe00 [ 4980.623671][ C2] do_syscall_64+0xc1/0x380 [ 4980.623675][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 4980.623679][ C2] RIP: 0033:0x7f471c970337 [ 4980.623689][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 4980.623691][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 4980.623694][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 4980.623696][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 4980.623698][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 4980.623700][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 4980.623702][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 4980.623708][ C2] [ 5008.512938][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2593s! [mptcp_connect:16956] [ 5008.512961][ 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 [ 5008.512992][ C2] irq event stamp: 64230 [ 5008.512994][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5008.513015][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5008.513021][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5008.513033][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5008.513048][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5008.513056][ C2] Tainted: [L]=SOFTLOCKUP [ 5008.513058][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5008.513062][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5008.513069][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5008.513074][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5008.513079][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5008.513082][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5008.513085][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5008.513088][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5008.513092][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5008.513095][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5008.513098][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5008.513103][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5008.513105][ C2] PKRU: 55555554 [ 5008.513106][ C2] Call Trace: [ 5008.513115][ C2] [ 5008.513122][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5008.513130][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5008.513141][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5008.513144][ C2] ? lock_acquire+0x10c/0x170 [ 5008.513151][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5008.513158][ C2] mptcp_try_fallback+0x14b/0x360 [ 5008.513165][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5008.513172][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5008.513175][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5008.513178][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5008.513184][ C2] __mptcp_retrans+0x42a/0x960 [ 5008.513191][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5008.513196][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5008.513207][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5008.513216][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5008.513219][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5008.513222][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5008.513225][ C2] ? lock_acquire+0x10c/0x170 [ 5008.513228][ C2] ? release_sock+0x1f/0x1d0 [ 5008.513238][ C2] release_sock+0x17f/0x1d0 [ 5008.513243][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5008.513253][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5008.513257][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5008.513261][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5008.513273][ C2] ? find_held_lock+0x2b/0x80 [ 5008.513277][ C2] sock_write_iter+0x3c1/0x520 [ 5008.513286][ C2] ? __up_write+0x1ad/0x530 [ 5008.513292][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5008.513300][ C2] ? ksys_write+0xf7/0x1d0 [ 5008.513310][ C2] vfs_write+0xc0c/0x1210 [ 5008.513315][ C2] ? ksys_write+0x137/0x1d0 [ 5008.513318][ C2] ? __lock_release+0x5d/0x170 [ 5008.513322][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5008.513327][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5008.513335][ C2] ksys_write+0x183/0x1d0 [ 5008.513339][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5008.513342][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5008.513352][ C2] do_syscall_64+0xc1/0x380 [ 5008.513358][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5008.513365][ C2] RIP: 0033:0x7f471c970337 [ 5008.513382][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5008.513385][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5008.513389][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5008.513391][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5008.513394][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5008.513396][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5008.513399][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5008.513405][ C2] [ 5036.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2619s! [mptcp_connect:16956] [ 5036.512947][ 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 [ 5036.512966][ C2] irq event stamp: 64230 [ 5036.512968][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5036.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5036.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5036.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5036.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5036.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 5036.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5036.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5036.513020][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5036.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5036.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5036.513030][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5036.513032][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5036.513034][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5036.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5036.513038][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5036.513041][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5036.513045][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5036.513047][ C2] PKRU: 55555554 [ 5036.513049][ C2] Call Trace: [ 5036.513053][ C2] [ 5036.513057][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5036.513065][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5036.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5036.513074][ C2] ? lock_acquire+0x10c/0x170 [ 5036.513079][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5036.513084][ C2] mptcp_try_fallback+0x14b/0x360 [ 5036.513088][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5036.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5036.513098][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5036.513101][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5036.513106][ C2] __mptcp_retrans+0x42a/0x960 [ 5036.513112][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5036.513118][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5036.513127][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5036.513135][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5036.513137][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5036.513140][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5036.513143][ C2] ? lock_acquire+0x10c/0x170 [ 5036.513146][ C2] ? release_sock+0x1f/0x1d0 [ 5036.513154][ C2] release_sock+0x17f/0x1d0 [ 5036.513158][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5036.513166][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5036.513169][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5036.513173][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5036.513180][ C2] ? find_held_lock+0x2b/0x80 [ 5036.513185][ C2] sock_write_iter+0x3c1/0x520 [ 5036.513191][ C2] ? __up_write+0x1ad/0x530 [ 5036.513196][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5036.513203][ C2] ? ksys_write+0xf7/0x1d0 [ 5036.513212][ C2] vfs_write+0xc0c/0x1210 [ 5036.513215][ C2] ? ksys_write+0x137/0x1d0 [ 5036.513218][ C2] ? __lock_release+0x5d/0x170 [ 5036.513222][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5036.513226][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5036.513234][ C2] ksys_write+0x183/0x1d0 [ 5036.513238][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5036.513240][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5036.513248][ C2] do_syscall_64+0xc1/0x380 [ 5036.513253][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5036.513258][ C2] RIP: 0033:0x7f471c970337 [ 5036.513269][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5036.513271][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5036.513275][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5036.513277][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5036.513279][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5036.513281][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5036.513283][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5036.513289][ C2] [ 5043.613363][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2789061 jiffies s: 68525 root: 0x4/. [ 5043.614226][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5043.614526][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5043.614788][ C2] NMI backtrace for cpu 2 [ 5043.614798][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5043.614804][ C2] Tainted: [L]=SOFTLOCKUP [ 5043.614805][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5043.614807][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5043.614820][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5043.614824][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5043.614828][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5043.614830][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5043.614832][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5043.614834][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5043.614837][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5043.614839][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5043.614842][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5043.614845][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5043.614847][ C2] PKRU: 55555554 [ 5043.614849][ C2] Call Trace: [ 5043.614851][ C2] [ 5043.614855][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5043.614863][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5043.614868][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5043.614871][ C2] ? lock_acquire+0x10c/0x170 [ 5043.614876][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5043.614884][ C2] mptcp_try_fallback+0x14b/0x360 [ 5043.614888][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5043.614894][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5043.614897][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5043.614900][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5043.614905][ C2] __mptcp_retrans+0x42a/0x960 [ 5043.614911][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5043.614917][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5043.614926][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5043.614934][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5043.614936][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5043.614940][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5043.614943][ C2] ? lock_acquire+0x10c/0x170 [ 5043.614946][ C2] ? release_sock+0x1f/0x1d0 [ 5043.614953][ C2] release_sock+0x17f/0x1d0 [ 5043.614957][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5043.614965][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5043.614969][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5043.614973][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5043.614980][ C2] ? find_held_lock+0x2b/0x80 [ 5043.614984][ C2] sock_write_iter+0x3c1/0x520 [ 5043.614991][ C2] ? __up_write+0x1ad/0x530 [ 5043.614996][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5043.615003][ C2] ? ksys_write+0xf7/0x1d0 [ 5043.615011][ C2] vfs_write+0xc0c/0x1210 [ 5043.615015][ C2] ? ksys_write+0x137/0x1d0 [ 5043.615017][ C2] ? __lock_release+0x5d/0x170 [ 5043.615021][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5043.615025][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5043.615032][ C2] ksys_write+0x183/0x1d0 [ 5043.615036][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5043.615039][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5043.615046][ C2] do_syscall_64+0xc1/0x380 [ 5043.615051][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5043.615055][ C2] RIP: 0033:0x7f471c970337 [ 5043.615065][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5043.615067][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5043.615070][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5043.615072][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5043.615075][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5043.615077][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5043.615079][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5043.615085][ C2] [ 5058.625321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5058.625722][ C2] rcu: 2-....: (2831844 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1106896 [ 5058.626261][ C2] rcu: (t=2834108 jiffies g=1286133 q=52807 ncpus=4) [ 5058.626512][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5058.626519][ C2] Tainted: [L]=SOFTLOCKUP [ 5058.626521][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5058.626523][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5058.626535][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5058.626539][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5058.626543][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5058.626546][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5058.626548][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5058.626550][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5058.626552][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5058.626555][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5058.626557][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5058.626562][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5058.626564][ C2] PKRU: 55555554 [ 5058.626565][ C2] Call Trace: [ 5058.626567][ C2] [ 5058.626570][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5058.626578][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5058.626583][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5058.626586][ C2] ? lock_acquire+0x10c/0x170 [ 5058.626592][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5058.626600][ C2] mptcp_try_fallback+0x14b/0x360 [ 5058.626604][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5058.626611][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5058.626613][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5058.626616][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5058.626622][ C2] __mptcp_retrans+0x42a/0x960 [ 5058.626628][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5058.626633][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5058.626642][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5058.626649][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5058.626652][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5058.626655][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5058.626658][ C2] ? lock_acquire+0x10c/0x170 [ 5058.626661][ C2] ? release_sock+0x1f/0x1d0 [ 5058.626669][ C2] release_sock+0x17f/0x1d0 [ 5058.626672][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5058.626680][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5058.626684][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5058.626688][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5058.626695][ C2] ? find_held_lock+0x2b/0x80 [ 5058.626699][ C2] sock_write_iter+0x3c1/0x520 [ 5058.626706][ C2] ? __up_write+0x1ad/0x530 [ 5058.626711][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5058.626718][ C2] ? ksys_write+0xf7/0x1d0 [ 5058.626726][ C2] vfs_write+0xc0c/0x1210 [ 5058.626729][ C2] ? ksys_write+0x137/0x1d0 [ 5058.626732][ C2] ? __lock_release+0x5d/0x170 [ 5058.626736][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5058.626739][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5058.626747][ C2] ksys_write+0x183/0x1d0 [ 5058.626750][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5058.626753][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5058.626760][ C2] do_syscall_64+0xc1/0x380 [ 5058.626765][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5058.626769][ C2] RIP: 0033:0x7f471c970337 [ 5058.626779][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5058.626780][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5058.626784][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5058.626786][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5058.626788][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5058.626790][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5058.626792][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5058.626798][ C2] [ 5084.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2664s! [mptcp_connect:16956] [ 5084.512947][ 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 [ 5084.512965][ C2] irq event stamp: 64230 [ 5084.512967][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5084.512980][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5084.512985][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5084.512992][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5084.513001][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5084.513007][ C2] Tainted: [L]=SOFTLOCKUP [ 5084.513009][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5084.513012][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5084.513018][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5084.513021][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5084.513025][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5084.513027][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5084.513029][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5084.513031][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5084.513034][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5084.513036][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5084.513039][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5084.513043][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5084.513045][ C2] PKRU: 55555554 [ 5084.513046][ C2] Call Trace: [ 5084.513050][ C2] [ 5084.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5084.513062][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5084.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5084.513072][ C2] ? lock_acquire+0x10c/0x170 [ 5084.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5084.513082][ C2] mptcp_try_fallback+0x14b/0x360 [ 5084.513086][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5084.513094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5084.513097][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5084.513100][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5084.513105][ C2] __mptcp_retrans+0x42a/0x960 [ 5084.513111][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5084.513116][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5084.513125][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5084.513133][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5084.513136][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5084.513139][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5084.513142][ C2] ? lock_acquire+0x10c/0x170 [ 5084.513145][ C2] ? release_sock+0x1f/0x1d0 [ 5084.513152][ C2] release_sock+0x17f/0x1d0 [ 5084.513156][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5084.513164][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5084.513168][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5084.513173][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5084.513180][ C2] ? find_held_lock+0x2b/0x80 [ 5084.513184][ C2] sock_write_iter+0x3c1/0x520 [ 5084.513190][ C2] ? __up_write+0x1ad/0x530 [ 5084.513196][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5084.513203][ C2] ? ksys_write+0xf7/0x1d0 [ 5084.513212][ C2] vfs_write+0xc0c/0x1210 [ 5084.513216][ C2] ? ksys_write+0x137/0x1d0 [ 5084.513219][ C2] ? __lock_release+0x5d/0x170 [ 5084.513223][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5084.513227][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5084.513234][ C2] ksys_write+0x183/0x1d0 [ 5084.513238][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5084.513240][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5084.513249][ C2] do_syscall_64+0xc1/0x380 [ 5084.513253][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5084.513258][ C2] RIP: 0033:0x7f471c970337 [ 5084.513268][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5084.513270][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5084.513273][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5084.513276][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5084.513278][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5084.513280][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5084.513282][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5084.513288][ C2] [ 5112.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2690s! [mptcp_connect:16956] [ 5112.512946][ 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 [ 5112.512965][ C2] irq event stamp: 64230 [ 5112.512967][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5112.512981][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5112.512985][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5112.512993][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5112.513002][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5112.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 5112.513010][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5112.513013][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5112.513019][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5112.513022][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5112.513026][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5112.513028][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5112.513030][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5112.513033][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5112.513035][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5112.513037][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5112.513040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5112.513044][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5112.513046][ C2] PKRU: 55555554 [ 5112.513048][ C2] Call Trace: [ 5112.513052][ C2] [ 5112.513056][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5112.513064][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5112.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5112.513074][ C2] ? lock_acquire+0x10c/0x170 [ 5112.513079][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5112.513084][ C2] mptcp_try_fallback+0x14b/0x360 [ 5112.513088][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5112.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5112.513098][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5112.513101][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5112.513106][ C2] __mptcp_retrans+0x42a/0x960 [ 5112.513112][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5112.513118][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5112.513127][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5112.513139][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5112.513142][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5112.513145][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5112.513148][ C2] ? lock_acquire+0x10c/0x170 [ 5112.513151][ C2] ? release_sock+0x1f/0x1d0 [ 5112.513159][ C2] release_sock+0x17f/0x1d0 [ 5112.513163][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5112.513171][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5112.513175][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5112.513179][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5112.513186][ C2] ? find_held_lock+0x2b/0x80 [ 5112.513191][ C2] sock_write_iter+0x3c1/0x520 [ 5112.513198][ C2] ? __up_write+0x1ad/0x530 [ 5112.513204][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5112.513210][ C2] ? ksys_write+0xf7/0x1d0 [ 5112.513219][ C2] vfs_write+0xc0c/0x1210 [ 5112.513223][ C2] ? ksys_write+0x137/0x1d0 [ 5112.513225][ C2] ? __lock_release+0x5d/0x170 [ 5112.513230][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5112.513234][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5112.513241][ C2] ksys_write+0x183/0x1d0 [ 5112.513245][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5112.513248][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5112.513256][ C2] do_syscall_64+0xc1/0x380 [ 5112.513260][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5112.513266][ C2] RIP: 0033:0x7f471c970337 [ 5112.513276][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5112.513278][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5112.513281][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5112.513284][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5112.513286][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5112.513288][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5112.513290][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5112.513296][ C2] [ 5136.628320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5136.628668][ C2] rcu: 2-....: (2909798 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1145846 [ 5136.629226][ C2] rcu: (t=2912111 jiffies g=1286133 q=53830 ncpus=4) [ 5136.629478][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5136.629485][ C2] Tainted: [L]=SOFTLOCKUP [ 5136.629486][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5136.629489][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5136.629503][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5136.629506][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5136.629510][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5136.629513][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5136.629515][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5136.629517][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5136.629519][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5136.629521][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5136.629524][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5136.629528][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5136.629530][ C2] PKRU: 55555554 [ 5136.629532][ C2] Call Trace: [ 5136.629533][ C2] [ 5136.629536][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5136.629544][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5136.629549][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5136.629552][ C2] ? lock_acquire+0x10c/0x170 [ 5136.629558][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5136.629566][ C2] mptcp_try_fallback+0x14b/0x360 [ 5136.629570][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5136.629577][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5136.629580][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5136.629582][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5136.629588][ C2] __mptcp_retrans+0x42a/0x960 [ 5136.629593][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5136.629599][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5136.629607][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5136.629616][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5136.629619][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5136.629622][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5136.629625][ C2] ? lock_acquire+0x10c/0x170 [ 5136.629628][ C2] ? release_sock+0x1f/0x1d0 [ 5136.629636][ C2] release_sock+0x17f/0x1d0 [ 5136.629639][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5136.629647][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5136.629651][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5136.629655][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5136.629662][ C2] ? find_held_lock+0x2b/0x80 [ 5136.629666][ C2] sock_write_iter+0x3c1/0x520 [ 5136.629673][ C2] ? __up_write+0x1ad/0x530 [ 5136.629678][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5136.629685][ C2] ? ksys_write+0xf7/0x1d0 [ 5136.629693][ C2] vfs_write+0xc0c/0x1210 [ 5136.629697][ C2] ? ksys_write+0x137/0x1d0 [ 5136.629699][ C2] ? __lock_release+0x5d/0x170 [ 5136.629703][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5136.629707][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5136.629715][ C2] ksys_write+0x183/0x1d0 [ 5136.629718][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5136.629720][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5136.629729][ C2] do_syscall_64+0xc1/0x380 [ 5136.629733][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5136.629737][ C2] RIP: 0033:0x7f471c970337 [ 5136.629748][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5136.629750][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5136.629753][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5136.629755][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5136.629757][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5136.629759][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5136.629761][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5136.629767][ C2] [ 5141.917364][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2887365 jiffies s: 68525 root: 0x4/. [ 5141.917909][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5141.918103][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5141.918274][ C2] NMI backtrace for cpu 2 [ 5141.918284][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5141.918290][ C2] Tainted: [L]=SOFTLOCKUP [ 5141.918292][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5141.918294][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5141.918305][ 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 [ 5141.918308][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5141.918312][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 5141.918315][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5141.918318][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5141.918320][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5141.918322][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 5141.918325][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5141.918327][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5141.918332][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5141.918334][ C2] PKRU: 55555554 [ 5141.918336][ C2] Call Trace: [ 5141.918339][ C2] [ 5141.918341][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5141.918351][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5141.918359][ C2] __common_interrupt+0xad/0x1d0 [ 5141.918367][ C2] common_interrupt+0xb9/0xe0 [ 5141.918374][ C2] [ 5141.918375][ C2] [ 5141.918377][ C2] asm_common_interrupt+0x26/0x40 [ 5141.918383][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 5141.918390][ 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 [ 5141.918393][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 5141.918395][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5141.918397][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5141.918399][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5141.918401][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5141.918403][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5141.918408][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5141.918416][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5141.918420][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5141.918427][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5141.918431][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5141.918434][ C2] ? lock_acquire+0x10c/0x170 [ 5141.918439][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5141.918447][ C2] mptcp_try_fallback+0x14b/0x360 [ 5141.918451][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5141.918457][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5141.918460][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5141.918463][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5141.918468][ C2] __mptcp_retrans+0x42a/0x960 [ 5141.918473][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5141.918478][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5141.918487][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5141.918495][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5141.918497][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5141.918501][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5141.918503][ C2] ? lock_acquire+0x10c/0x170 [ 5141.918507][ C2] ? release_sock+0x1f/0x1d0 [ 5141.918513][ C2] release_sock+0x17f/0x1d0 [ 5141.918517][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5141.918525][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5141.918529][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5141.918533][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5141.918539][ C2] ? find_held_lock+0x2b/0x80 [ 5141.918544][ C2] sock_write_iter+0x3c1/0x520 [ 5141.918550][ C2] ? __up_write+0x1ad/0x530 [ 5141.918555][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5141.918562][ C2] ? ksys_write+0xf7/0x1d0 [ 5141.918568][ C2] vfs_write+0xc0c/0x1210 [ 5141.918572][ C2] ? ksys_write+0x137/0x1d0 [ 5141.918574][ C2] ? __lock_release+0x5d/0x170 [ 5141.918578][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5141.918582][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5141.918589][ C2] ksys_write+0x183/0x1d0 [ 5141.918592][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5141.918595][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5141.918602][ C2] do_syscall_64+0xc1/0x380 [ 5141.918606][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5141.918608][ C2] RIP: 0033:0x7f471c970337 [ 5141.918618][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5141.918620][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5141.918622][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5141.918625][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5141.918627][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5141.918629][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5141.918631][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5141.918638][ C2] [ 5168.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2742s! [mptcp_connect:16956] [ 5168.512949][ 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 [ 5168.512967][ C2] irq event stamp: 64230 [ 5168.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5168.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5168.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5168.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5168.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5168.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 5168.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5168.513014][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 5168.513023][ 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 [ 5168.513027][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 5168.513030][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5168.513032][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5168.513034][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5168.513036][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5168.513038][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5168.513041][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5168.513043][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5168.513047][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5168.513049][ C2] PKRU: 55555554 [ 5168.513051][ C2] Call Trace: [ 5168.513056][ C2] [ 5168.513058][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5168.513066][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5168.513074][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5168.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5168.513082][ C2] ? lock_acquire+0x10c/0x170 [ 5168.513088][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5168.513093][ C2] mptcp_try_fallback+0x14b/0x360 [ 5168.513097][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5168.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5168.513107][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5168.513110][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5168.513115][ C2] __mptcp_retrans+0x42a/0x960 [ 5168.513121][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5168.513126][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5168.513135][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5168.513143][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5168.513146][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5168.513150][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5168.513152][ C2] ? lock_acquire+0x10c/0x170 [ 5168.513156][ C2] ? release_sock+0x1f/0x1d0 [ 5168.513163][ C2] release_sock+0x17f/0x1d0 [ 5168.513166][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5168.513174][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5168.513178][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5168.513182][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5168.513189][ C2] ? find_held_lock+0x2b/0x80 [ 5168.513193][ C2] sock_write_iter+0x3c1/0x520 [ 5168.513200][ C2] ? __up_write+0x1ad/0x530 [ 5168.513205][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5168.513212][ C2] ? ksys_write+0xf7/0x1d0 [ 5168.513219][ C2] vfs_write+0xc0c/0x1210 [ 5168.513224][ C2] ? ksys_write+0x137/0x1d0 [ 5168.513226][ C2] ? __lock_release+0x5d/0x170 [ 5168.513231][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5168.513235][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5168.513242][ C2] ksys_write+0x183/0x1d0 [ 5168.513246][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5168.513249][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5168.513257][ C2] do_syscall_64+0xc1/0x380 [ 5168.513262][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5168.513267][ C2] RIP: 0033:0x7f471c970337 [ 5168.513278][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5168.513279][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5168.513283][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5168.513285][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5168.513287][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5168.513289][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5168.513291][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5168.513298][ C2] [ 5196.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2768s! [mptcp_connect:16956] [ 5196.512947][ 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 [ 5196.512966][ C2] irq event stamp: 64230 [ 5196.512967][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5196.512981][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5196.512986][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5196.512993][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5196.513003][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5196.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 5196.513011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5196.513014][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5196.513020][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5196.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5196.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5196.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5196.513031][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5196.513033][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5196.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5196.513038][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5196.513040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5196.513044][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5196.513046][ C2] PKRU: 55555554 [ 5196.513048][ C2] Call Trace: [ 5196.513052][ C2] [ 5196.513057][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5196.513065][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5196.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5196.513074][ C2] ? lock_acquire+0x10c/0x170 [ 5196.513079][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5196.513084][ C2] mptcp_try_fallback+0x14b/0x360 [ 5196.513088][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5196.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5196.513098][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5196.513101][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5196.513106][ C2] __mptcp_retrans+0x42a/0x960 [ 5196.513112][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5196.513118][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5196.513127][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5196.513135][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5196.513138][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5196.513141][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5196.513144][ C2] ? lock_acquire+0x10c/0x170 [ 5196.513147][ C2] ? release_sock+0x1f/0x1d0 [ 5196.513155][ C2] release_sock+0x17f/0x1d0 [ 5196.513159][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5196.513168][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5196.513172][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5196.513176][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5196.513183][ C2] ? find_held_lock+0x2b/0x80 [ 5196.513187][ C2] sock_write_iter+0x3c1/0x520 [ 5196.513194][ C2] ? __up_write+0x1ad/0x530 [ 5196.513200][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5196.513207][ C2] ? ksys_write+0xf7/0x1d0 [ 5196.513215][ C2] vfs_write+0xc0c/0x1210 [ 5196.513219][ C2] ? ksys_write+0x137/0x1d0 [ 5196.513222][ C2] ? __lock_release+0x5d/0x170 [ 5196.513226][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5196.513230][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5196.513238][ C2] ksys_write+0x183/0x1d0 [ 5196.513242][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5196.513245][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5196.513253][ C2] do_syscall_64+0xc1/0x380 [ 5196.513258][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5196.513263][ C2] RIP: 0033:0x7f471c970337 [ 5196.513273][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5196.513275][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5196.513278][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5196.513281][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5196.513283][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5196.513285][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5196.513287][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5196.513294][ C2] [ 5214.631323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5214.631860][ C2] rcu: 2-....: (2987729 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1184623 [ 5214.632264][ C2] rcu: (t=2990114 jiffies g=1286133 q=55262 ncpus=4) [ 5214.632532][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5214.632540][ C2] Tainted: [L]=SOFTLOCKUP [ 5214.632542][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5214.632545][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5214.632559][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5214.632563][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5214.632568][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5214.632570][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5214.632572][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5214.632575][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5214.632577][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5214.632579][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5214.632581][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5214.632586][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5214.632588][ C2] PKRU: 55555554 [ 5214.632590][ C2] Call Trace: [ 5214.632591][ C2] [ 5214.632594][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5214.632602][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5214.632608][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5214.632611][ C2] ? lock_acquire+0x10c/0x170 [ 5214.632617][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5214.632626][ C2] mptcp_try_fallback+0x14b/0x360 [ 5214.632630][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5214.632636][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5214.632639][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5214.632642][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5214.632648][ C2] __mptcp_retrans+0x42a/0x960 [ 5214.632653][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5214.632659][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5214.632668][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5214.632676][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5214.632679][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5214.632682][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5214.632685][ C2] ? lock_acquire+0x10c/0x170 [ 5214.632688][ C2] ? release_sock+0x1f/0x1d0 [ 5214.632695][ C2] release_sock+0x17f/0x1d0 [ 5214.632699][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5214.632706][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5214.632711][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5214.632715][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5214.632721][ C2] ? find_held_lock+0x2b/0x80 [ 5214.632726][ C2] sock_write_iter+0x3c1/0x520 [ 5214.632732][ C2] ? __up_write+0x1ad/0x530 [ 5214.632738][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5214.632745][ C2] ? ksys_write+0xf7/0x1d0 [ 5214.632753][ C2] vfs_write+0xc0c/0x1210 [ 5214.632756][ C2] ? ksys_write+0x137/0x1d0 [ 5214.632759][ C2] ? __lock_release+0x5d/0x170 [ 5214.632763][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5214.632767][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5214.632774][ C2] ksys_write+0x183/0x1d0 [ 5214.632777][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5214.632780][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5214.632788][ C2] do_syscall_64+0xc1/0x380 [ 5214.632793][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5214.632797][ C2] RIP: 0033:0x7f471c970337 [ 5214.632808][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5214.632810][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5214.632813][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5214.632816][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5214.632818][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5214.632821][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5214.632823][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5214.632829][ C2] [ 5240.221356][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2985669 jiffies s: 68525 root: 0x4/. [ 5240.222240][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5240.222580][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5240.222846][ C2] NMI backtrace for cpu 2 [ 5240.222858][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5240.222864][ C2] Tainted: [L]=SOFTLOCKUP [ 5240.222866][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5240.222869][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5240.222882][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5240.222885][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5240.222889][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5240.222892][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5240.222894][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5240.222897][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5240.222899][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5240.222901][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5240.222904][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5240.222908][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5240.222910][ C2] PKRU: 55555554 [ 5240.222911][ C2] Call Trace: [ 5240.222915][ C2] [ 5240.222920][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5240.222928][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5240.222935][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5240.222938][ C2] ? lock_acquire+0x10c/0x170 [ 5240.222943][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5240.222951][ C2] mptcp_try_fallback+0x14b/0x360 [ 5240.222955][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5240.222962][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5240.222965][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5240.222968][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5240.222973][ C2] __mptcp_retrans+0x42a/0x960 [ 5240.222979][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5240.222985][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5240.222994][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5240.223002][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5240.223005][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5240.223008][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5240.223011][ C2] ? lock_acquire+0x10c/0x170 [ 5240.223014][ C2] ? release_sock+0x1f/0x1d0 [ 5240.223021][ C2] release_sock+0x17f/0x1d0 [ 5240.223026][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5240.223034][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5240.223038][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5240.223042][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5240.223049][ C2] ? find_held_lock+0x2b/0x80 [ 5240.223054][ C2] sock_write_iter+0x3c1/0x520 [ 5240.223060][ C2] ? __up_write+0x1ad/0x530 [ 5240.223066][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5240.223073][ C2] ? ksys_write+0xf7/0x1d0 [ 5240.223081][ C2] vfs_write+0xc0c/0x1210 [ 5240.223085][ C2] ? ksys_write+0x137/0x1d0 [ 5240.223088][ C2] ? __lock_release+0x5d/0x170 [ 5240.223092][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5240.223096][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5240.223103][ C2] ksys_write+0x183/0x1d0 [ 5240.223106][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5240.223109][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5240.223117][ C2] do_syscall_64+0xc1/0x380 [ 5240.223122][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5240.223127][ C2] RIP: 0033:0x7f471c970337 [ 5240.223137][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5240.223140][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5240.223143][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5240.223146][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5240.223148][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5240.223150][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5240.223152][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5240.223158][ C2] [ 5264.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2831s! [mptcp_connect:16956] [ 5264.512947][ 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 [ 5264.512966][ C2] irq event stamp: 64230 [ 5264.512968][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5264.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5264.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5264.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5264.513005][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5264.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 5264.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5264.513016][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 5264.513022][ 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 [ 5264.513026][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5264.513030][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5264.513032][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5264.513034][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5264.513036][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5264.513039][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5264.513041][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5264.513044][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5264.513048][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5264.513050][ C2] PKRU: 55555554 [ 5264.513052][ C2] Call Trace: [ 5264.513057][ C2] [ 5264.513063][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5264.513071][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5264.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5264.513082][ C2] ? lock_acquire+0x10c/0x170 [ 5264.513087][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5264.513092][ C2] mptcp_try_fallback+0x14b/0x360 [ 5264.513096][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5264.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5264.513107][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5264.513110][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5264.513115][ C2] __mptcp_retrans+0x42a/0x960 [ 5264.513121][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5264.513126][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5264.513136][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5264.513144][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5264.513147][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5264.513150][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5264.513153][ C2] ? lock_acquire+0x10c/0x170 [ 5264.513156][ C2] ? release_sock+0x1f/0x1d0 [ 5264.513163][ C2] release_sock+0x17f/0x1d0 [ 5264.513168][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5264.513176][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5264.513179][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5264.513184][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5264.513191][ C2] ? find_held_lock+0x2b/0x80 [ 5264.513195][ C2] sock_write_iter+0x3c1/0x520 [ 5264.513202][ C2] ? __up_write+0x1ad/0x530 [ 5264.513208][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5264.513215][ C2] ? ksys_write+0xf7/0x1d0 [ 5264.513224][ C2] vfs_write+0xc0c/0x1210 [ 5264.513228][ C2] ? ksys_write+0x137/0x1d0 [ 5264.513231][ C2] ? __lock_release+0x5d/0x170 [ 5264.513236][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5264.513240][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5264.513247][ C2] ksys_write+0x183/0x1d0 [ 5264.513251][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5264.513254][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5264.513262][ C2] do_syscall_64+0xc1/0x380 [ 5264.513267][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5264.513273][ C2] RIP: 0033:0x7f471c970337 [ 5264.513284][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5264.513286][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5264.513290][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5264.513292][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5264.513295][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5264.513297][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5264.513299][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5264.513305][ C2] [ 5292.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2858s! [mptcp_connect:16956] [ 5292.512947][ 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 [ 5292.512966][ C2] irq event stamp: 64230 [ 5292.512968][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5292.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5292.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5292.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5292.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5292.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 5292.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5292.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5292.513021][ 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 [ 5292.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5292.513028][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5292.513030][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5292.513033][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5292.513035][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5292.513037][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5292.513039][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5292.513042][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5292.513046][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5292.513048][ C2] PKRU: 55555554 [ 5292.513050][ C2] Call Trace: [ 5292.513055][ C2] [ 5292.513060][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5292.513068][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5292.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5292.513078][ C2] ? lock_acquire+0x10c/0x170 [ 5292.513083][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5292.513088][ C2] mptcp_try_fallback+0x14b/0x360 [ 5292.513092][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5292.513099][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5292.513102][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5292.513105][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5292.513110][ C2] __mptcp_retrans+0x42a/0x960 [ 5292.513116][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5292.513122][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5292.513131][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5292.513139][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5292.513141][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5292.513145][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5292.513148][ C2] ? lock_acquire+0x10c/0x170 [ 5292.513151][ C2] ? release_sock+0x1f/0x1d0 [ 5292.513158][ C2] release_sock+0x17f/0x1d0 [ 5292.513163][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5292.513171][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5292.513174][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5292.513179][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5292.513186][ C2] ? find_held_lock+0x2b/0x80 [ 5292.513190][ C2] sock_write_iter+0x3c1/0x520 [ 5292.513197][ C2] ? __up_write+0x1ad/0x530 [ 5292.513203][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5292.513210][ C2] ? ksys_write+0xf7/0x1d0 [ 5292.513218][ C2] vfs_write+0xc0c/0x1210 [ 5292.513223][ C2] ? ksys_write+0x137/0x1d0 [ 5292.513225][ C2] ? __lock_release+0x5d/0x170 [ 5292.513230][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5292.513233][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5292.513241][ C2] ksys_write+0x183/0x1d0 [ 5292.513245][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5292.513248][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5292.513256][ C2] do_syscall_64+0xc1/0x380 [ 5292.513261][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5292.513266][ C2] RIP: 0033:0x7f471c970337 [ 5292.513277][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5292.513279][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5292.513282][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5292.513285][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5292.513287][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5292.513289][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5292.513292][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5292.513298][ C2] [ 5292.634320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5292.634634][ C2] rcu: 2-....: (3065666 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1223486 [ 5292.635169][ C2] rcu: (t=3068117 jiffies g=1286133 q=56607 ncpus=4) [ 5292.635428][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5292.635436][ C2] Tainted: [L]=SOFTLOCKUP [ 5292.635437][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5292.635440][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5292.635453][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5292.635457][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5292.635461][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5292.635464][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5292.635466][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5292.635469][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5292.635471][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5292.635474][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5292.635476][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5292.635480][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5292.635483][ C2] PKRU: 55555554 [ 5292.635484][ C2] Call Trace: [ 5292.635486][ C2] [ 5292.635489][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5292.635496][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5292.635502][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5292.635505][ C2] ? lock_acquire+0x10c/0x170 [ 5292.635509][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5292.635518][ C2] mptcp_try_fallback+0x14b/0x360 [ 5292.635522][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5292.635528][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5292.635531][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5292.635534][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5292.635539][ C2] __mptcp_retrans+0x42a/0x960 [ 5292.635545][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5292.635550][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5292.635559][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5292.635567][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5292.635570][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5292.635573][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5292.635575][ C2] ? lock_acquire+0x10c/0x170 [ 5292.635578][ C2] ? release_sock+0x1f/0x1d0 [ 5292.635586][ C2] release_sock+0x17f/0x1d0 [ 5292.635590][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5292.635597][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5292.635601][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5292.635605][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5292.635612][ C2] ? find_held_lock+0x2b/0x80 [ 5292.635617][ C2] sock_write_iter+0x3c1/0x520 [ 5292.635623][ C2] ? __up_write+0x1ad/0x530 [ 5292.635629][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5292.635635][ C2] ? ksys_write+0xf7/0x1d0 [ 5292.635643][ C2] vfs_write+0xc0c/0x1210 [ 5292.635647][ C2] ? ksys_write+0x137/0x1d0 [ 5292.635650][ C2] ? __lock_release+0x5d/0x170 [ 5292.635654][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5292.635658][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5292.635665][ C2] ksys_write+0x183/0x1d0 [ 5292.635669][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5292.635671][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5292.635679][ C2] do_syscall_64+0xc1/0x380 [ 5292.635684][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5292.635687][ C2] RIP: 0033:0x7f471c970337 [ 5292.635698][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5292.635699][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5292.635703][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5292.635705][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5292.635708][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5292.635710][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5292.635712][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5292.635718][ C2] [ 5320.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2884s! [mptcp_connect:16956] [ 5320.512948][ 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 [ 5320.512967][ C2] irq event stamp: 64230 [ 5320.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5320.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5320.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5320.512996][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5320.513006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5320.513013][ C2] Tainted: [L]=SOFTLOCKUP [ 5320.513014][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5320.513017][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5320.513023][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5320.513027][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5320.513031][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5320.513033][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5320.513035][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5320.513038][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5320.513040][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5320.513042][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5320.513045][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5320.513050][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5320.513052][ C2] PKRU: 55555554 [ 5320.513053][ C2] Call Trace: [ 5320.513058][ C2] [ 5320.513064][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5320.513072][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5320.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5320.513082][ C2] ? lock_acquire+0x10c/0x170 [ 5320.513087][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5320.513092][ C2] mptcp_try_fallback+0x14b/0x360 [ 5320.513096][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5320.513103][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5320.513106][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5320.513109][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5320.513114][ C2] __mptcp_retrans+0x42a/0x960 [ 5320.513120][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5320.513126][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5320.513135][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5320.513143][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5320.513146][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5320.513149][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5320.513152][ C2] ? lock_acquire+0x10c/0x170 [ 5320.513155][ C2] ? release_sock+0x1f/0x1d0 [ 5320.513163][ C2] release_sock+0x17f/0x1d0 [ 5320.513167][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5320.513175][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5320.513179][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5320.513183][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5320.513190][ C2] ? find_held_lock+0x2b/0x80 [ 5320.513195][ C2] sock_write_iter+0x3c1/0x520 [ 5320.513202][ C2] ? __up_write+0x1ad/0x530 [ 5320.513208][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5320.513215][ C2] ? ksys_write+0xf7/0x1d0 [ 5320.513223][ C2] vfs_write+0xc0c/0x1210 [ 5320.513227][ C2] ? ksys_write+0x137/0x1d0 [ 5320.513230][ C2] ? __lock_release+0x5d/0x170 [ 5320.513234][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5320.513238][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5320.513246][ C2] ksys_write+0x183/0x1d0 [ 5320.513250][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5320.513253][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5320.513261][ C2] do_syscall_64+0xc1/0x380 [ 5320.513266][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5320.513271][ C2] RIP: 0033:0x7f471c970337 [ 5320.513282][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5320.513285][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5320.513288][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5320.513290][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5320.513292][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5320.513295][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5320.513297][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5320.513303][ C2] [ 5338.525346][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3083973 jiffies s: 68525 root: 0x4/. [ 5338.525894][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5338.526112][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5338.526382][ C2] NMI backtrace for cpu 2 [ 5338.526393][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5338.526400][ C2] Tainted: [L]=SOFTLOCKUP [ 5338.526402][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5338.526405][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5338.526418][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5338.526422][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5338.526426][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5338.526429][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5338.526431][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5338.526433][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5338.526435][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5338.526437][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5338.526440][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5338.526444][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5338.526446][ C2] PKRU: 55555554 [ 5338.526447][ C2] Call Trace: [ 5338.526451][ C2] [ 5338.526457][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5338.526465][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5338.526472][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5338.526475][ C2] ? lock_acquire+0x10c/0x170 [ 5338.526480][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5338.526489][ C2] mptcp_try_fallback+0x14b/0x360 [ 5338.526494][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5338.526500][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5338.526503][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5338.526506][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5338.526511][ C2] __mptcp_retrans+0x42a/0x960 [ 5338.526518][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5338.526523][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5338.526532][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5338.526540][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5338.526543][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5338.526546][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5338.526549][ C2] ? lock_acquire+0x10c/0x170 [ 5338.526552][ C2] ? release_sock+0x1f/0x1d0 [ 5338.526560][ C2] release_sock+0x17f/0x1d0 [ 5338.526564][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5338.526572][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5338.526576][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5338.526581][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5338.526588][ C2] ? find_held_lock+0x2b/0x80 [ 5338.526592][ C2] sock_write_iter+0x3c1/0x520 [ 5338.526599][ C2] ? __up_write+0x1ad/0x530 [ 5338.526605][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5338.526612][ C2] ? ksys_write+0xf7/0x1d0 [ 5338.526620][ C2] vfs_write+0xc0c/0x1210 [ 5338.526624][ C2] ? ksys_write+0x137/0x1d0 [ 5338.526627][ C2] ? __lock_release+0x5d/0x170 [ 5338.526631][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5338.526635][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5338.526642][ C2] ksys_write+0x183/0x1d0 [ 5338.526646][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5338.526649][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5338.526657][ C2] do_syscall_64+0xc1/0x380 [ 5338.526662][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5338.526667][ C2] RIP: 0033:0x7f471c970337 [ 5338.526678][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5338.526680][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5338.526683][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5338.526686][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5338.526688][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5338.526690][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5338.526692][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5338.526698][ C2] [ 5364.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2925s! [mptcp_connect:16956] [ 5364.512949][ 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 [ 5364.512969][ C2] irq event stamp: 64230 [ 5364.512971][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5364.512986][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5364.512990][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5364.512998][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5364.513009][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5364.513015][ C2] Tainted: [L]=SOFTLOCKUP [ 5364.513018][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5364.513021][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5364.513027][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5364.513031][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5364.513034][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5364.513036][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5364.513039][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5364.513041][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5364.513043][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5364.513046][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5364.513049][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5364.513053][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5364.513055][ C2] PKRU: 55555554 [ 5364.513056][ C2] Call Trace: [ 5364.513062][ C2] [ 5364.513068][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5364.513076][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5364.513083][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5364.513086][ C2] ? lock_acquire+0x10c/0x170 [ 5364.513091][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5364.513097][ C2] mptcp_try_fallback+0x14b/0x360 [ 5364.513101][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5364.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5364.513111][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5364.513114][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5364.513119][ C2] __mptcp_retrans+0x42a/0x960 [ 5364.513126][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5364.513131][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5364.513140][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5364.513148][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5364.513151][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5364.513155][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5364.513157][ C2] ? lock_acquire+0x10c/0x170 [ 5364.513160][ C2] ? release_sock+0x1f/0x1d0 [ 5364.513168][ C2] release_sock+0x17f/0x1d0 [ 5364.513172][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5364.513181][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5364.513185][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5364.513189][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5364.513196][ C2] ? find_held_lock+0x2b/0x80 [ 5364.513200][ C2] sock_write_iter+0x3c1/0x520 [ 5364.513207][ C2] ? __up_write+0x1ad/0x530 [ 5364.513213][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5364.513220][ C2] ? ksys_write+0xf7/0x1d0 [ 5364.513228][ C2] vfs_write+0xc0c/0x1210 [ 5364.513232][ C2] ? ksys_write+0x137/0x1d0 [ 5364.513235][ C2] ? __lock_release+0x5d/0x170 [ 5364.513239][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5364.513243][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5364.513251][ C2] ksys_write+0x183/0x1d0 [ 5364.513255][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5364.513257][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5364.513265][ C2] do_syscall_64+0xc1/0x380 [ 5364.513271][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5364.513276][ C2] RIP: 0033:0x7f471c970337 [ 5364.513287][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5364.513289][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5364.513293][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5364.513296][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5364.513298][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5364.513300][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5364.513302][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5364.513308][ C2] [ 5370.637323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5370.637682][ C2] rcu: 2-....: (3143603 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1262410 [ 5370.638217][ C2] rcu: (t=3146120 jiffies g=1286133 q=57952 ncpus=4) [ 5370.638470][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5370.638477][ C2] Tainted: [L]=SOFTLOCKUP [ 5370.638478][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5370.638481][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5370.638494][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5370.638497][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5370.638502][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5370.638505][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5370.638507][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5370.638509][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5370.638511][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5370.638514][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5370.638517][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5370.638521][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5370.638523][ C2] PKRU: 55555554 [ 5370.638525][ C2] Call Trace: [ 5370.638527][ C2] [ 5370.638529][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5370.638537][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5370.638543][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5370.638546][ C2] ? lock_acquire+0x10c/0x170 [ 5370.638552][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5370.638560][ C2] mptcp_try_fallback+0x14b/0x360 [ 5370.638564][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5370.638571][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5370.638573][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5370.638576][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5370.638582][ C2] __mptcp_retrans+0x42a/0x960 [ 5370.638588][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5370.638593][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5370.638603][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5370.638611][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5370.638614][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5370.638617][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5370.638620][ C2] ? lock_acquire+0x10c/0x170 [ 5370.638623][ C2] ? release_sock+0x1f/0x1d0 [ 5370.638631][ C2] release_sock+0x17f/0x1d0 [ 5370.638634][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5370.638641][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5370.638646][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5370.638650][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5370.638656][ C2] ? find_held_lock+0x2b/0x80 [ 5370.638661][ C2] sock_write_iter+0x3c1/0x520 [ 5370.638667][ C2] ? __up_write+0x1ad/0x530 [ 5370.638672][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5370.638679][ C2] ? ksys_write+0xf7/0x1d0 [ 5370.638687][ C2] vfs_write+0xc0c/0x1210 [ 5370.638690][ C2] ? ksys_write+0x137/0x1d0 [ 5370.638693][ C2] ? __lock_release+0x5d/0x170 [ 5370.638697][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5370.638701][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5370.638709][ C2] ksys_write+0x183/0x1d0 [ 5370.638712][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5370.638715][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5370.638723][ C2] do_syscall_64+0xc1/0x380 [ 5370.638727][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5370.638731][ C2] RIP: 0033:0x7f471c970337 [ 5370.638742][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5370.638744][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5370.638748][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5370.638750][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5370.638752][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5370.638754][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5370.638756][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5370.638763][ C2] [ 5396.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2954s! [mptcp_connect:16956] [ 5396.512950][ 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 [ 5396.512968][ C2] irq event stamp: 64230 [ 5396.512970][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5396.512984][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5396.512989][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5396.512997][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5396.513007][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5396.513013][ C2] Tainted: [L]=SOFTLOCKUP [ 5396.513016][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5396.513018][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5396.513024][ 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 [ 5396.513028][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5396.513032][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5396.513034][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5396.513037][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5396.513039][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5396.513041][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5396.513044][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5396.513047][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5396.513052][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5396.513054][ C2] PKRU: 55555554 [ 5396.513055][ C2] Call Trace: [ 5396.513060][ C2] [ 5396.513065][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5396.513073][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5396.513081][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5396.513084][ C2] ? lock_acquire+0x10c/0x170 [ 5396.513089][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5396.513094][ C2] mptcp_try_fallback+0x14b/0x360 [ 5396.513098][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5396.513106][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5396.513109][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5396.513112][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5396.513117][ C2] __mptcp_retrans+0x42a/0x960 [ 5396.513123][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5396.513128][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5396.513138][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5396.513146][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5396.513149][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5396.513152][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5396.513155][ C2] ? lock_acquire+0x10c/0x170 [ 5396.513158][ C2] ? release_sock+0x1f/0x1d0 [ 5396.513166][ C2] release_sock+0x17f/0x1d0 [ 5396.513170][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5396.513178][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5396.513181][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5396.513185][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5396.513192][ C2] ? find_held_lock+0x2b/0x80 [ 5396.513197][ C2] sock_write_iter+0x3c1/0x520 [ 5396.513203][ C2] ? __up_write+0x1ad/0x530 [ 5396.513209][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5396.513216][ C2] ? ksys_write+0xf7/0x1d0 [ 5396.513224][ C2] vfs_write+0xc0c/0x1210 [ 5396.513228][ C2] ? ksys_write+0x137/0x1d0 [ 5396.513231][ C2] ? __lock_release+0x5d/0x170 [ 5396.513235][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5396.513239][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5396.513247][ C2] ksys_write+0x183/0x1d0 [ 5396.513250][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5396.513253][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5396.513261][ C2] do_syscall_64+0xc1/0x380 [ 5396.513267][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5396.513272][ C2] RIP: 0033:0x7f471c970337 [ 5396.513283][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5396.513285][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5396.513288][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5396.513290][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5396.513293][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5396.513295][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5396.513297][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5396.513303][ C2] [ 5424.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 2980s! [mptcp_connect:16956] [ 5424.512950][ 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 [ 5424.512970][ C2] irq event stamp: 64230 [ 5424.512972][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5424.512986][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5424.512991][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5424.512999][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5424.513009][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5424.513015][ C2] Tainted: [L]=SOFTLOCKUP [ 5424.513017][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5424.513020][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 5424.513029][ 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 [ 5424.513032][ C2] RSP: 0018:ffffc9000029f5b8 EFLAGS: 00000282 [ 5424.513036][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5424.513039][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5424.513041][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5424.513043][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5424.513045][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5424.513047][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5424.513050][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5424.513055][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5424.513057][ C2] PKRU: 55555554 [ 5424.513058][ C2] Call Trace: [ 5424.513063][ C2] [ 5424.513068][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5424.513075][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5424.513082][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5424.513088][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5424.513091][ C2] ? lock_acquire+0x10c/0x170 [ 5424.513096][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5424.513101][ C2] mptcp_try_fallback+0x14b/0x360 [ 5424.513106][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5424.513113][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5424.513115][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5424.513118][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5424.513123][ C2] __mptcp_retrans+0x42a/0x960 [ 5424.513130][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5424.513135][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5424.513144][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5424.513152][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5424.513155][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5424.513158][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5424.513161][ C2] ? lock_acquire+0x10c/0x170 [ 5424.513164][ C2] ? release_sock+0x1f/0x1d0 [ 5424.513171][ C2] release_sock+0x17f/0x1d0 [ 5424.513176][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5424.513184][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5424.513188][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5424.513192][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5424.513199][ C2] ? find_held_lock+0x2b/0x80 [ 5424.513204][ C2] sock_write_iter+0x3c1/0x520 [ 5424.513210][ C2] ? __up_write+0x1ad/0x530 [ 5424.513217][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5424.513223][ C2] ? ksys_write+0xf7/0x1d0 [ 5424.513230][ C2] vfs_write+0xc0c/0x1210 [ 5424.513234][ C2] ? ksys_write+0x137/0x1d0 [ 5424.513237][ C2] ? __lock_release+0x5d/0x170 [ 5424.513241][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5424.513245][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5424.513252][ C2] ksys_write+0x183/0x1d0 [ 5424.513257][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5424.513259][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5424.513267][ C2] do_syscall_64+0xc1/0x380 [ 5424.513273][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5424.513278][ C2] RIP: 0033:0x7f471c970337 [ 5424.513290][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5424.513292][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5424.513295][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5424.513297][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5424.513300][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5424.513302][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5424.513304][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5424.513310][ C2] [ 5436.829364][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3182277 jiffies s: 68525 root: 0x4/. [ 5436.830047][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5436.830358][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5436.830783][ C2] NMI backtrace for cpu 2 [ 5436.830798][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5436.830804][ C2] Tainted: [L]=SOFTLOCKUP [ 5436.830806][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5436.830809][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5436.830823][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5436.830827][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5436.830831][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5436.830834][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5436.830836][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5436.830839][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5436.830841][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5436.830843][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5436.830845][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5436.830849][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5436.830852][ C2] PKRU: 55555554 [ 5436.830853][ C2] Call Trace: [ 5436.830857][ C2] [ 5436.830862][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5436.830869][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5436.830875][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5436.830878][ C2] ? lock_acquire+0x10c/0x170 [ 5436.830883][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5436.830892][ C2] mptcp_try_fallback+0x14b/0x360 [ 5436.830896][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5436.830903][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5436.830906][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5436.830909][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5436.830914][ C2] __mptcp_retrans+0x42a/0x960 [ 5436.830920][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5436.830925][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5436.830934][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5436.830942][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5436.830945][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5436.830949][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5436.830952][ C2] ? lock_acquire+0x10c/0x170 [ 5436.830955][ C2] ? release_sock+0x1f/0x1d0 [ 5436.830962][ C2] release_sock+0x17f/0x1d0 [ 5436.830966][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5436.830974][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5436.830978][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5436.830982][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5436.830989][ C2] ? find_held_lock+0x2b/0x80 [ 5436.830994][ C2] sock_write_iter+0x3c1/0x520 [ 5436.831000][ C2] ? __up_write+0x1ad/0x530 [ 5436.831006][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5436.831013][ C2] ? ksys_write+0xf7/0x1d0 [ 5436.831021][ C2] vfs_write+0xc0c/0x1210 [ 5436.831025][ C2] ? ksys_write+0x137/0x1d0 [ 5436.831028][ C2] ? __lock_release+0x5d/0x170 [ 5436.831032][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5436.831037][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5436.831044][ C2] ksys_write+0x183/0x1d0 [ 5436.831048][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5436.831051][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5436.831058][ C2] do_syscall_64+0xc1/0x380 [ 5436.831063][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5436.831068][ C2] RIP: 0033:0x7f471c970337 [ 5436.831078][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5436.831080][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5436.831083][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5436.831085][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5436.831088][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5436.831090][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5436.831091][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5436.831097][ C2] [ 5448.640323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5448.640839][ C2] rcu: 2-....: (3221540 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1300613 [ 5448.641216][ C2] rcu: (t=3224123 jiffies g=1286133 q=59300 ncpus=4) [ 5448.641468][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5448.641476][ C2] Tainted: [L]=SOFTLOCKUP [ 5448.641477][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5448.641480][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 5448.641495][ 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 [ 5448.641498][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 5448.641503][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5448.641506][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5448.641508][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5448.641510][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5448.641512][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5448.641515][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5448.641518][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5448.641522][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5448.641524][ C2] PKRU: 55555554 [ 5448.641525][ C2] Call Trace: [ 5448.641527][ C2] [ 5448.641529][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5448.641537][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5448.641544][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5448.641547][ C2] ? lock_acquire+0x10c/0x170 [ 5448.641553][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5448.641561][ C2] mptcp_try_fallback+0x14b/0x360 [ 5448.641565][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5448.641572][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5448.641575][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5448.641577][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5448.641583][ C2] __mptcp_retrans+0x42a/0x960 [ 5448.641588][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5448.641594][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5448.641604][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5448.641612][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5448.641615][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5448.641618][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5448.641621][ C2] ? lock_acquire+0x10c/0x170 [ 5448.641625][ C2] ? release_sock+0x1f/0x1d0 [ 5448.641632][ C2] release_sock+0x17f/0x1d0 [ 5448.641635][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5448.641643][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5448.641647][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5448.641652][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5448.641659][ C2] ? find_held_lock+0x2b/0x80 [ 5448.641663][ C2] sock_write_iter+0x3c1/0x520 [ 5448.641670][ C2] ? __up_write+0x1ad/0x530 [ 5448.641676][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5448.641682][ C2] ? ksys_write+0xf7/0x1d0 [ 5448.641692][ C2] vfs_write+0xc0c/0x1210 [ 5448.641695][ C2] ? ksys_write+0x137/0x1d0 [ 5448.641698][ C2] ? __lock_release+0x5d/0x170 [ 5448.641702][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5448.641706][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5448.641714][ C2] ksys_write+0x183/0x1d0 [ 5448.641717][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5448.641720][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5448.641729][ C2] do_syscall_64+0xc1/0x380 [ 5448.641733][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5448.641737][ C2] RIP: 0033:0x7f471c970337 [ 5448.641750][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5448.641752][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5448.641755][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5448.641757][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5448.641760][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5448.641762][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5448.641764][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5448.641770][ C2] [ 5476.512941][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3029s! [mptcp_connect:16956] [ 5476.512965][ 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 [ 5476.512993][ C2] irq event stamp: 64230 [ 5476.512996][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5476.513020][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5476.513026][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5476.513038][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5476.513054][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5476.513062][ C2] Tainted: [L]=SOFTLOCKUP [ 5476.513064][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5476.513068][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5476.513075][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5476.513080][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5476.513085][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5476.513088][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5476.513091][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5476.513094][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5476.513097][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5476.513100][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5476.513103][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5476.513108][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5476.513111][ C2] PKRU: 55555554 [ 5476.513112][ C2] Call Trace: [ 5476.513121][ C2] [ 5476.513129][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5476.513138][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5476.513150][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5476.513153][ C2] ? lock_acquire+0x10c/0x170 [ 5476.513161][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5476.513167][ C2] mptcp_try_fallback+0x14b/0x360 [ 5476.513173][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5476.513181][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5476.513185][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5476.513188][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5476.513193][ C2] __mptcp_retrans+0x42a/0x960 [ 5476.513200][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5476.513206][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5476.513221][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5476.513230][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5476.513233][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5476.513237][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5476.513240][ C2] ? lock_acquire+0x10c/0x170 [ 5476.513244][ C2] ? release_sock+0x1f/0x1d0 [ 5476.513253][ C2] release_sock+0x17f/0x1d0 [ 5476.513259][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5476.513268][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5476.513272][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5476.513277][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5476.513287][ C2] ? find_held_lock+0x2b/0x80 [ 5476.513292][ C2] sock_write_iter+0x3c1/0x520 [ 5476.513302][ C2] ? __up_write+0x1ad/0x530 [ 5476.513309][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5476.513317][ C2] ? ksys_write+0xf7/0x1d0 [ 5476.513329][ C2] vfs_write+0xc0c/0x1210 [ 5476.513335][ C2] ? ksys_write+0x137/0x1d0 [ 5476.513338][ C2] ? __lock_release+0x5d/0x170 [ 5476.513343][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5476.513347][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5476.513355][ C2] ksys_write+0x183/0x1d0 [ 5476.513361][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5476.513363][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5476.513374][ C2] do_syscall_64+0xc1/0x380 [ 5476.513381][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5476.513387][ C2] RIP: 0033:0x7f471c970337 [ 5476.513408][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5476.513410][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5476.513414][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5476.513417][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5476.513419][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5476.513422][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5476.513424][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5476.513430][ C2] [ 5504.512938][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3055s! [mptcp_connect:16956] [ 5504.512950][ 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 [ 5504.512971][ C2] irq event stamp: 64230 [ 5504.512973][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5504.512986][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5504.512991][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5504.512999][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5504.513010][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5504.513016][ C2] Tainted: [L]=SOFTLOCKUP [ 5504.513018][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5504.513021][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 5504.513027][ 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 [ 5504.513031][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5504.513035][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5504.513038][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5504.513040][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5504.513042][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5504.513045][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5504.513048][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5504.513051][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5504.513055][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5504.513057][ C2] PKRU: 55555554 [ 5504.513059][ C2] Call Trace: [ 5504.513064][ C2] [ 5504.513069][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5504.513077][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5504.513085][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5504.513088][ C2] ? lock_acquire+0x10c/0x170 [ 5504.513094][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5504.513099][ C2] mptcp_try_fallback+0x14b/0x360 [ 5504.513103][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5504.513110][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5504.513114][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5504.513116][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5504.513121][ C2] __mptcp_retrans+0x42a/0x960 [ 5504.513128][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5504.513133][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5504.513142][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5504.513150][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5504.513153][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5504.513157][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5504.513160][ C2] ? lock_acquire+0x10c/0x170 [ 5504.513163][ C2] ? release_sock+0x1f/0x1d0 [ 5504.513171][ C2] release_sock+0x17f/0x1d0 [ 5504.513175][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5504.513184][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5504.513188][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5504.513192][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5504.513199][ C2] ? find_held_lock+0x2b/0x80 [ 5504.513203][ C2] sock_write_iter+0x3c1/0x520 [ 5504.513210][ C2] ? __up_write+0x1ad/0x530 [ 5504.513216][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5504.513223][ C2] ? ksys_write+0xf7/0x1d0 [ 5504.513231][ C2] vfs_write+0xc0c/0x1210 [ 5504.513235][ C2] ? ksys_write+0x137/0x1d0 [ 5504.513238][ C2] ? __lock_release+0x5d/0x170 [ 5504.513242][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5504.513246][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5504.513254][ C2] ksys_write+0x183/0x1d0 [ 5504.513258][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5504.513261][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5504.513269][ C2] do_syscall_64+0xc1/0x380 [ 5504.513274][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5504.513279][ C2] RIP: 0033:0x7f471c970337 [ 5504.513294][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5504.513295][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5504.513299][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5504.513301][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5504.513303][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5504.513306][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5504.513308][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5504.513314][ C2] [ 5526.643323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5526.643755][ C2] rcu: 2-....: (3299492 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1339101 [ 5526.644283][ C2] rcu: (t=3302126 jiffies g=1286133 q=60323 ncpus=4) [ 5526.644535][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5526.644542][ C2] Tainted: [L]=SOFTLOCKUP [ 5526.644544][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5526.644547][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 5526.644560][ 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 [ 5526.644563][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5526.644568][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5526.644570][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5526.644573][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5526.644575][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5526.644577][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5526.644579][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5526.644582][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5526.644586][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5526.644588][ C2] PKRU: 55555554 [ 5526.644590][ C2] Call Trace: [ 5526.644591][ C2] [ 5526.644594][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5526.644602][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5526.644608][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5526.644611][ C2] ? lock_acquire+0x10c/0x170 [ 5526.644616][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5526.644624][ C2] mptcp_try_fallback+0x14b/0x360 [ 5526.644628][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5526.644635][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5526.644637][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5526.644640][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5526.644646][ C2] __mptcp_retrans+0x42a/0x960 [ 5526.644651][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5526.644657][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5526.644666][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5526.644674][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5526.644677][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5526.644680][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5526.644684][ C2] ? lock_acquire+0x10c/0x170 [ 5526.644687][ C2] ? release_sock+0x1f/0x1d0 [ 5526.644694][ C2] release_sock+0x17f/0x1d0 [ 5526.644698][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5526.644705][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5526.644710][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5526.644714][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5526.644720][ C2] ? find_held_lock+0x2b/0x80 [ 5526.644725][ C2] sock_write_iter+0x3c1/0x520 [ 5526.644731][ C2] ? __up_write+0x1ad/0x530 [ 5526.644736][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5526.644744][ C2] ? ksys_write+0xf7/0x1d0 [ 5526.644752][ C2] vfs_write+0xc0c/0x1210 [ 5526.644756][ C2] ? ksys_write+0x137/0x1d0 [ 5526.644758][ C2] ? __lock_release+0x5d/0x170 [ 5526.644763][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5526.644767][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5526.644774][ C2] ksys_write+0x183/0x1d0 [ 5526.644778][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5526.644781][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5526.644789][ C2] do_syscall_64+0xc1/0x380 [ 5526.644794][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5526.644797][ C2] RIP: 0033:0x7f471c970337 [ 5526.644809][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5526.644811][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5526.644814][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5526.644816][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5526.644818][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5526.644820][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5526.644822][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5526.644828][ C2] [ 5535.134346][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3280581 jiffies s: 68525 root: 0x4/. [ 5535.134838][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5535.135110][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5535.135283][ C2] NMI backtrace for cpu 2 [ 5535.135299][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5535.135306][ C2] Tainted: [L]=SOFTLOCKUP [ 5535.135308][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5535.135311][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5535.135324][ 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 [ 5535.135328][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5535.135333][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 5535.135335][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5535.135338][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5535.135340][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5535.135342][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 5535.135344][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5535.135347][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5535.135351][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5535.135353][ C2] PKRU: 55555554 [ 5535.135354][ C2] Call Trace: [ 5535.135359][ C2] [ 5535.135361][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5535.135372][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5535.135381][ C2] __common_interrupt+0xad/0x1d0 [ 5535.135389][ C2] common_interrupt+0xb9/0xe0 [ 5535.135397][ C2] [ 5535.135398][ C2] [ 5535.135400][ C2] asm_common_interrupt+0x26/0x40 [ 5535.135406][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5535.135413][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5535.135416][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5535.135419][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5535.135421][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5535.135423][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5535.135425][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5535.135427][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5535.135432][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5535.135438][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5535.135445][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5535.135451][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5535.135454][ C2] ? lock_acquire+0x10c/0x170 [ 5535.135459][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5535.135468][ C2] mptcp_try_fallback+0x14b/0x360 [ 5535.135472][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5535.135479][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5535.135482][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5535.135485][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5535.135490][ C2] __mptcp_retrans+0x42a/0x960 [ 5535.135497][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5535.135502][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5535.135510][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5535.135518][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5535.135521][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5535.135524][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5535.135527][ C2] ? lock_acquire+0x10c/0x170 [ 5535.135530][ C2] ? release_sock+0x1f/0x1d0 [ 5535.135538][ C2] release_sock+0x17f/0x1d0 [ 5535.135542][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5535.135550][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5535.135554][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5535.135558][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5535.135565][ C2] ? find_held_lock+0x2b/0x80 [ 5535.135569][ C2] sock_write_iter+0x3c1/0x520 [ 5535.135576][ C2] ? __up_write+0x1ad/0x530 [ 5535.135582][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5535.135588][ C2] ? ksys_write+0xf7/0x1d0 [ 5535.135596][ C2] vfs_write+0xc0c/0x1210 [ 5535.135600][ C2] ? ksys_write+0x137/0x1d0 [ 5535.135603][ C2] ? __lock_release+0x5d/0x170 [ 5535.135607][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5535.135611][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5535.135618][ C2] ksys_write+0x183/0x1d0 [ 5535.135622][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5535.135625][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5535.135632][ C2] do_syscall_64+0xc1/0x380 [ 5535.135636][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5535.135640][ C2] RIP: 0033:0x7f471c970337 [ 5535.135652][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5535.135654][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5535.135658][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5535.135660][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5535.135662][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5535.135664][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5535.135667][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5535.135673][ C2] [ 5560.512961][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3107s! [mptcp_connect:16956] [ 5560.512975][ 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 [ 5560.512994][ C2] irq event stamp: 64230 [ 5560.512996][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5560.513010][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5560.513015][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5560.513023][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5560.513032][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5560.513038][ C2] Tainted: [L]=SOFTLOCKUP [ 5560.513040][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5560.513043][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5560.513049][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5560.513052][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5560.513056][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5560.513058][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5560.513061][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5560.513063][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5560.513065][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5560.513067][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5560.513070][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5560.513075][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5560.513077][ C2] PKRU: 55555554 [ 5560.513079][ C2] Call Trace: [ 5560.513083][ C2] [ 5560.513088][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5560.513096][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5560.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5560.513107][ C2] ? lock_acquire+0x10c/0x170 [ 5560.513112][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5560.513117][ C2] mptcp_try_fallback+0x14b/0x360 [ 5560.513122][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5560.513129][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5560.513132][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5560.513135][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5560.513140][ C2] __mptcp_retrans+0x42a/0x960 [ 5560.513146][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5560.513152][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5560.513160][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5560.513169][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5560.513172][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5560.513175][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5560.513178][ C2] ? lock_acquire+0x10c/0x170 [ 5560.513181][ C2] ? release_sock+0x1f/0x1d0 [ 5560.513188][ C2] release_sock+0x17f/0x1d0 [ 5560.513193][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5560.513201][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5560.513204][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5560.513209][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5560.513216][ C2] ? find_held_lock+0x2b/0x80 [ 5560.513220][ C2] sock_write_iter+0x3c1/0x520 [ 5560.513227][ C2] ? __up_write+0x1ad/0x530 [ 5560.513233][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5560.513240][ C2] ? ksys_write+0xf7/0x1d0 [ 5560.513248][ C2] vfs_write+0xc0c/0x1210 [ 5560.513253][ C2] ? ksys_write+0x137/0x1d0 [ 5560.513256][ C2] ? __lock_release+0x5d/0x170 [ 5560.513260][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5560.513264][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5560.513272][ C2] ksys_write+0x183/0x1d0 [ 5560.513276][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5560.513278][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5560.513286][ C2] do_syscall_64+0xc1/0x380 [ 5560.513292][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5560.513298][ C2] RIP: 0033:0x7f471c970337 [ 5560.513308][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5560.513310][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5560.513314][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5560.513316][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5560.513318][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5560.513320][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5560.513322][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5560.513328][ C2] [ 5588.512961][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3133s! [mptcp_connect:16956] [ 5588.512974][ 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 [ 5588.512994][ C2] irq event stamp: 64230 [ 5588.512996][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5588.513010][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5588.513015][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5588.513023][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5588.513033][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5588.513039][ C2] Tainted: [L]=SOFTLOCKUP [ 5588.513041][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5588.513044][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5588.513050][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5588.513054][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5588.513058][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5588.513060][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5588.513063][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5588.513065][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5588.513067][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5588.513069][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5588.513072][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5588.513077][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5588.513079][ C2] PKRU: 55555554 [ 5588.513080][ C2] Call Trace: [ 5588.513085][ C2] [ 5588.513091][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5588.513099][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5588.513106][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5588.513109][ C2] ? lock_acquire+0x10c/0x170 [ 5588.513114][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5588.513119][ C2] mptcp_try_fallback+0x14b/0x360 [ 5588.513124][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5588.513131][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5588.513134][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5588.513137][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5588.513142][ C2] __mptcp_retrans+0x42a/0x960 [ 5588.513148][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5588.513154][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5588.513162][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5588.513171][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5588.513174][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5588.513177][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5588.513180][ C2] ? lock_acquire+0x10c/0x170 [ 5588.513183][ C2] ? release_sock+0x1f/0x1d0 [ 5588.513191][ C2] release_sock+0x17f/0x1d0 [ 5588.513196][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5588.513204][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5588.513208][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5588.513212][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5588.513219][ C2] ? find_held_lock+0x2b/0x80 [ 5588.513224][ C2] sock_write_iter+0x3c1/0x520 [ 5588.513231][ C2] ? __up_write+0x1ad/0x530 [ 5588.513237][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5588.513244][ C2] ? ksys_write+0xf7/0x1d0 [ 5588.513252][ C2] vfs_write+0xc0c/0x1210 [ 5588.513256][ C2] ? ksys_write+0x137/0x1d0 [ 5588.513259][ C2] ? __lock_release+0x5d/0x170 [ 5588.513263][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5588.513267][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5588.513275][ C2] ksys_write+0x183/0x1d0 [ 5588.513278][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5588.513281][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5588.513289][ C2] do_syscall_64+0xc1/0x380 [ 5588.513295][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5588.513300][ C2] RIP: 0033:0x7f471c970337 [ 5588.513311][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5588.513313][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5588.513316][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5588.513318][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5588.513321][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5588.513323][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5588.513325][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5588.513331][ C2] [ 5604.646324][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5604.646780][ C2] rcu: 2-....: (3377425 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1374326 [ 5604.647314][ C2] rcu: (t=3380129 jiffies g=1286133 q=61749 ncpus=4) [ 5604.647572][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5604.647579][ C2] Tainted: [L]=SOFTLOCKUP [ 5604.647581][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5604.647584][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5604.647598][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5604.647602][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5604.647606][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5604.647609][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5604.647611][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5604.647613][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5604.647615][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5604.647618][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5604.647621][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5604.647625][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5604.647627][ C2] PKRU: 55555554 [ 5604.647628][ C2] Call Trace: [ 5604.647630][ C2] [ 5604.647633][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5604.647641][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5604.647647][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5604.647650][ C2] ? lock_acquire+0x10c/0x170 [ 5604.647655][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5604.647664][ C2] mptcp_try_fallback+0x14b/0x360 [ 5604.647667][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5604.647674][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5604.647676][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5604.647679][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5604.647685][ C2] __mptcp_retrans+0x42a/0x960 [ 5604.647691][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5604.647696][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5604.647705][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5604.647713][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5604.647716][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5604.647719][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5604.647722][ C2] ? lock_acquire+0x10c/0x170 [ 5604.647725][ C2] ? release_sock+0x1f/0x1d0 [ 5604.647733][ C2] release_sock+0x17f/0x1d0 [ 5604.647736][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5604.647744][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5604.647748][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5604.647752][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5604.647759][ C2] ? find_held_lock+0x2b/0x80 [ 5604.647764][ C2] sock_write_iter+0x3c1/0x520 [ 5604.647770][ C2] ? __up_write+0x1ad/0x530 [ 5604.647776][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5604.647782][ C2] ? ksys_write+0xf7/0x1d0 [ 5604.647790][ C2] vfs_write+0xc0c/0x1210 [ 5604.647794][ C2] ? ksys_write+0x137/0x1d0 [ 5604.647797][ C2] ? __lock_release+0x5d/0x170 [ 5604.647801][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5604.647804][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5604.647812][ C2] ksys_write+0x183/0x1d0 [ 5604.647815][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5604.647818][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5604.647827][ C2] do_syscall_64+0xc1/0x380 [ 5604.647831][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5604.647835][ C2] RIP: 0033:0x7f471c970337 [ 5604.647846][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5604.647848][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5604.647852][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5604.647854][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5604.647856][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5604.647858][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5604.647860][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5604.647866][ C2] [ 5632.512967][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3174s! [mptcp_connect:16956] [ 5632.512980][ 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 [ 5632.512998][ C2] irq event stamp: 64230 [ 5632.513000][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5632.513014][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5632.513018][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5632.513026][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5632.513035][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5632.513041][ C2] Tainted: [L]=SOFTLOCKUP [ 5632.513043][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5632.513046][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5632.513052][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5632.513056][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5632.513059][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5632.513062][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5632.513064][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5632.513066][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5632.513068][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5632.513071][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5632.513074][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5632.513078][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5632.513081][ C2] PKRU: 55555554 [ 5632.513082][ C2] Call Trace: [ 5632.513087][ C2] [ 5632.513093][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5632.513101][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5632.513107][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5632.513110][ C2] ? lock_acquire+0x10c/0x170 [ 5632.513115][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5632.513121][ C2] mptcp_try_fallback+0x14b/0x360 [ 5632.513125][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5632.513132][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5632.513136][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5632.513139][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5632.513144][ C2] __mptcp_retrans+0x42a/0x960 [ 5632.513150][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5632.513156][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5632.513164][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5632.513172][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5632.513175][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5632.513179][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5632.513181][ C2] ? lock_acquire+0x10c/0x170 [ 5632.513185][ C2] ? release_sock+0x1f/0x1d0 [ 5632.513192][ C2] release_sock+0x17f/0x1d0 [ 5632.513197][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5632.513205][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5632.513209][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5632.513213][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5632.513220][ C2] ? find_held_lock+0x2b/0x80 [ 5632.513225][ C2] sock_write_iter+0x3c1/0x520 [ 5632.513232][ C2] ? __up_write+0x1ad/0x530 [ 5632.513238][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5632.513245][ C2] ? ksys_write+0xf7/0x1d0 [ 5632.513253][ C2] vfs_write+0xc0c/0x1210 [ 5632.513258][ C2] ? ksys_write+0x137/0x1d0 [ 5632.513260][ C2] ? __lock_release+0x5d/0x170 [ 5632.513265][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5632.513268][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5632.513276][ C2] ksys_write+0x183/0x1d0 [ 5632.513280][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5632.513283][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5632.513291][ C2] do_syscall_64+0xc1/0x380 [ 5632.513296][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5632.513302][ C2] RIP: 0033:0x7f471c970337 [ 5632.513312][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5632.513314][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5632.513317][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5632.513319][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5632.513321][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5632.513324][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5632.513326][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5632.513332][ C2] [ 5633.437350][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3378885 jiffies s: 68525 root: 0x4/. [ 5633.437843][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5633.438104][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5633.438280][ C2] NMI backtrace for cpu 2 [ 5633.438292][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5633.438298][ C2] Tainted: [L]=SOFTLOCKUP [ 5633.438299][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5633.438302][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5633.438312][ 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 [ 5633.438317][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5633.438321][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 5633.438323][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5633.438325][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5633.438328][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5633.438330][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 5633.438332][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5633.438335][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5633.438339][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5633.438341][ C2] PKRU: 55555554 [ 5633.438343][ C2] Call Trace: [ 5633.438346][ C2] [ 5633.438347][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5633.438357][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5633.438365][ C2] __common_interrupt+0xad/0x1d0 [ 5633.438373][ C2] common_interrupt+0xb9/0xe0 [ 5633.438380][ C2] [ 5633.438381][ C2] [ 5633.438383][ C2] asm_common_interrupt+0x26/0x40 [ 5633.438389][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5633.438395][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5633.438398][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5633.438400][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5633.438402][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5633.438405][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5633.438407][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5633.438409][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5633.438412][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5633.438419][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5633.438425][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5633.438430][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5633.438433][ C2] ? lock_acquire+0x10c/0x170 [ 5633.438437][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5633.438446][ C2] mptcp_try_fallback+0x14b/0x360 [ 5633.438450][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5633.438456][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5633.438458][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5633.438461][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5633.438466][ C2] __mptcp_retrans+0x42a/0x960 [ 5633.438472][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5633.438477][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5633.438485][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5633.438493][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5633.438496][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5633.438499][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5633.438502][ C2] ? lock_acquire+0x10c/0x170 [ 5633.438505][ C2] ? release_sock+0x1f/0x1d0 [ 5633.438512][ C2] release_sock+0x17f/0x1d0 [ 5633.438516][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5633.438523][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5633.438527][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5633.438531][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5633.438537][ C2] ? find_held_lock+0x2b/0x80 [ 5633.438541][ C2] sock_write_iter+0x3c1/0x520 [ 5633.438548][ C2] ? __up_write+0x1ad/0x530 [ 5633.438553][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5633.438560][ C2] ? ksys_write+0xf7/0x1d0 [ 5633.438568][ C2] vfs_write+0xc0c/0x1210 [ 5633.438571][ C2] ? ksys_write+0x137/0x1d0 [ 5633.438574][ C2] ? __lock_release+0x5d/0x170 [ 5633.438577][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5633.438581][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5633.438588][ C2] ksys_write+0x183/0x1d0 [ 5633.438592][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5633.438594][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5633.438602][ C2] do_syscall_64+0xc1/0x380 [ 5633.438605][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5633.438608][ C2] RIP: 0033:0x7f471c970337 [ 5633.438618][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5633.438619][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5633.438623][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5633.438625][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5633.438627][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5633.438629][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5633.438631][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5633.438637][ C2] [ 5660.512951][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3200s! [mptcp_connect:16956] [ 5660.512965][ 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 [ 5660.512984][ C2] irq event stamp: 64230 [ 5660.512986][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5660.513000][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5660.513005][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5660.513013][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5660.513023][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5660.513029][ C2] Tainted: [L]=SOFTLOCKUP [ 5660.513031][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5660.513034][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5660.513040][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5660.513044][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5660.513047][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5660.513049][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5660.513051][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5660.513053][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5660.513056][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5660.513058][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5660.513061][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5660.513065][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5660.513067][ C2] PKRU: 55555554 [ 5660.513069][ C2] Call Trace: [ 5660.513074][ C2] [ 5660.513080][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5660.513088][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5660.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5660.513099][ C2] ? lock_acquire+0x10c/0x170 [ 5660.513104][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5660.513109][ C2] mptcp_try_fallback+0x14b/0x360 [ 5660.513113][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5660.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5660.513124][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5660.513127][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5660.513132][ C2] __mptcp_retrans+0x42a/0x960 [ 5660.513138][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5660.513143][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5660.513153][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5660.513161][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5660.513164][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5660.513167][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5660.513169][ C2] ? lock_acquire+0x10c/0x170 [ 5660.513172][ C2] ? release_sock+0x1f/0x1d0 [ 5660.513180][ C2] release_sock+0x17f/0x1d0 [ 5660.513184][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5660.513193][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5660.513197][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5660.513201][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5660.513208][ C2] ? find_held_lock+0x2b/0x80 [ 5660.513213][ C2] sock_write_iter+0x3c1/0x520 [ 5660.513220][ C2] ? __up_write+0x1ad/0x530 [ 5660.513225][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5660.513232][ C2] ? ksys_write+0xf7/0x1d0 [ 5660.513240][ C2] vfs_write+0xc0c/0x1210 [ 5660.513245][ C2] ? ksys_write+0x137/0x1d0 [ 5660.513248][ C2] ? __lock_release+0x5d/0x170 [ 5660.513252][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5660.513256][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5660.513264][ C2] ksys_write+0x183/0x1d0 [ 5660.513267][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5660.513270][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5660.513278][ C2] do_syscall_64+0xc1/0x380 [ 5660.513284][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5660.513289][ C2] RIP: 0033:0x7f471c970337 [ 5660.513300][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5660.513301][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5660.513304][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5660.513307][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5660.513309][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5660.513311][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5660.513313][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5660.513319][ C2] [ 5682.649338][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5682.649761][ C2] rcu: 2-....: (3455360 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1410266 [ 5682.650302][ C2] rcu: (t=3458132 jiffies g=1286133 q=63175 ncpus=4) [ 5682.650564][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5682.650571][ C2] Tainted: [L]=SOFTLOCKUP [ 5682.650573][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5682.650575][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 5682.650588][ 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 [ 5682.650592][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5682.650596][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5682.650599][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5682.650601][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5682.650603][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5682.650605][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5682.650608][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5682.650611][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5682.650614][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5682.650616][ C2] PKRU: 55555554 [ 5682.650618][ C2] Call Trace: [ 5682.650620][ C2] [ 5682.650622][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5682.650630][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5682.650636][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5682.650639][ C2] ? lock_acquire+0x10c/0x170 [ 5682.650644][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5682.650653][ C2] mptcp_try_fallback+0x14b/0x360 [ 5682.650657][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5682.650663][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5682.650666][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5682.650669][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5682.650674][ C2] __mptcp_retrans+0x42a/0x960 [ 5682.650680][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5682.650685][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5682.650694][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5682.650701][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5682.650704][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5682.650708][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5682.650710][ C2] ? lock_acquire+0x10c/0x170 [ 5682.650714][ C2] ? release_sock+0x1f/0x1d0 [ 5682.650721][ C2] release_sock+0x17f/0x1d0 [ 5682.650725][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5682.650732][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5682.650736][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5682.650741][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5682.650747][ C2] ? find_held_lock+0x2b/0x80 [ 5682.650752][ C2] sock_write_iter+0x3c1/0x520 [ 5682.650758][ C2] ? __up_write+0x1ad/0x530 [ 5682.650763][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5682.650770][ C2] ? ksys_write+0xf7/0x1d0 [ 5682.650779][ C2] vfs_write+0xc0c/0x1210 [ 5682.650782][ C2] ? ksys_write+0x137/0x1d0 [ 5682.650785][ C2] ? __lock_release+0x5d/0x170 [ 5682.650788][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5682.650792][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5682.650800][ C2] ksys_write+0x183/0x1d0 [ 5682.650803][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5682.650806][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5682.650814][ C2] do_syscall_64+0xc1/0x380 [ 5682.650818][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5682.650823][ C2] RIP: 0033:0x7f471c970337 [ 5682.650833][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5682.650835][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5682.650838][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5682.650840][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5682.650843][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5682.650845][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5682.650847][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5682.650853][ C2] [ 5708.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3245s! [mptcp_connect:16956] [ 5708.512949][ 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 [ 5708.512969][ C2] irq event stamp: 64230 [ 5708.512971][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5708.512984][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5708.512989][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5708.512996][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5708.513007][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5708.513014][ C2] Tainted: [L]=SOFTLOCKUP [ 5708.513016][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5708.513018][ C2] RIP: 0010:kasan_check_range+0x156/0x1c0 [ 5708.513027][ C2] Code: d0 74 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 09 48 83 c0 01 48 39 d0 74 a5 80 38 00 74 f2 e9 74 ff ff ff b8 [ 5708.513030][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000282 [ 5708.513034][ C2] RAX: ffffed100170bd66 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 5708.513036][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5708.513039][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 5708.513041][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5708.513043][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5708.513045][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5708.513048][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5708.513052][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5708.513054][ C2] PKRU: 55555554 [ 5708.513055][ C2] Call Trace: [ 5708.513060][ C2] [ 5708.513065][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5708.513072][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5708.513079][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5708.513085][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5708.513088][ C2] ? lock_acquire+0x10c/0x170 [ 5708.513093][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5708.513098][ C2] mptcp_try_fallback+0x14b/0x360 [ 5708.513103][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5708.513110][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5708.513113][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5708.513116][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5708.513121][ C2] __mptcp_retrans+0x42a/0x960 [ 5708.513127][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5708.513132][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5708.513141][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5708.513149][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5708.513152][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5708.513155][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5708.513157][ C2] ? lock_acquire+0x10c/0x170 [ 5708.513160][ C2] ? release_sock+0x1f/0x1d0 [ 5708.513168][ C2] release_sock+0x17f/0x1d0 [ 5708.513172][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5708.513180][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5708.513184][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5708.513188][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5708.513194][ C2] ? find_held_lock+0x2b/0x80 [ 5708.513199][ C2] sock_write_iter+0x3c1/0x520 [ 5708.513206][ C2] ? __up_write+0x1ad/0x530 [ 5708.513211][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5708.513218][ C2] ? ksys_write+0xf7/0x1d0 [ 5708.513225][ C2] vfs_write+0xc0c/0x1210 [ 5708.513229][ C2] ? ksys_write+0x137/0x1d0 [ 5708.513232][ C2] ? __lock_release+0x5d/0x170 [ 5708.513236][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5708.513240][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5708.513248][ C2] ksys_write+0x183/0x1d0 [ 5708.513252][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5708.513254][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5708.513263][ C2] do_syscall_64+0xc1/0x380 [ 5708.513268][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5708.513272][ C2] RIP: 0033:0x7f471c970337 [ 5708.513283][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5708.513285][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5708.513288][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5708.513290][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5708.513292][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5708.513295][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5708.513297][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5708.513303][ C2] [ 5731.742368][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3477190 jiffies s: 68525 root: 0x4/. [ 5731.743000][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5731.743449][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5731.743711][ C2] NMI backtrace for cpu 2 [ 5731.743728][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5731.743735][ C2] Tainted: [L]=SOFTLOCKUP [ 5731.743737][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5731.743740][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5731.743754][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5731.743758][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5731.743762][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5731.743765][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5731.743767][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5731.743770][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5731.743772][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5731.743774][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5731.743777][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5731.743781][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5731.743783][ C2] PKRU: 55555554 [ 5731.743785][ C2] Call Trace: [ 5731.743789][ C2] [ 5731.743795][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5731.743803][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5731.743810][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5731.743813][ C2] ? lock_acquire+0x10c/0x170 [ 5731.743818][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5731.743826][ C2] mptcp_try_fallback+0x14b/0x360 [ 5731.743831][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5731.743837][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5731.743840][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5731.743843][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5731.743848][ C2] __mptcp_retrans+0x42a/0x960 [ 5731.743854][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5731.743860][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5731.743869][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5731.743877][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5731.743880][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5731.743883][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5731.743886][ C2] ? lock_acquire+0x10c/0x170 [ 5731.743889][ C2] ? release_sock+0x1f/0x1d0 [ 5731.743896][ C2] release_sock+0x17f/0x1d0 [ 5731.743900][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5731.743908][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5731.743912][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5731.743916][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5731.743924][ C2] ? find_held_lock+0x2b/0x80 [ 5731.743929][ C2] sock_write_iter+0x3c1/0x520 [ 5731.743935][ C2] ? __up_write+0x1ad/0x530 [ 5731.743941][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5731.743947][ C2] ? ksys_write+0xf7/0x1d0 [ 5731.743956][ C2] vfs_write+0xc0c/0x1210 [ 5731.743960][ C2] ? ksys_write+0x137/0x1d0 [ 5731.743963][ C2] ? __lock_release+0x5d/0x170 [ 5731.743967][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5731.743971][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5731.743978][ C2] ksys_write+0x183/0x1d0 [ 5731.743982][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5731.743985][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5731.743994][ C2] do_syscall_64+0xc1/0x380 [ 5731.743999][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5731.744004][ C2] RIP: 0033:0x7f471c970337 [ 5731.744014][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5731.744016][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5731.744019][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5731.744022][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5731.744024][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5731.744026][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5731.744028][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5731.744034][ C2] [ 5756.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3290s! [mptcp_connect:16956] [ 5756.512948][ 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 [ 5756.512968][ C2] irq event stamp: 64230 [ 5756.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5756.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5756.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5756.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5756.513005][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5756.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 5756.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5756.513016][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5756.513021][ 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 [ 5756.513025][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5756.513028][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5756.513031][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5756.513033][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5756.513035][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5756.513037][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5756.513040][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5756.513043][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5756.513048][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5756.513050][ C2] PKRU: 55555554 [ 5756.513052][ C2] Call Trace: [ 5756.513056][ C2] [ 5756.513062][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5756.513070][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5756.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5756.513080][ C2] ? lock_acquire+0x10c/0x170 [ 5756.513085][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5756.513090][ C2] mptcp_try_fallback+0x14b/0x360 [ 5756.513095][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5756.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5756.513105][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5756.513108][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5756.513113][ C2] __mptcp_retrans+0x42a/0x960 [ 5756.513119][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5756.513124][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5756.513133][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5756.513141][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5756.513144][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5756.513148][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5756.513150][ C2] ? lock_acquire+0x10c/0x170 [ 5756.513154][ C2] ? release_sock+0x1f/0x1d0 [ 5756.513161][ C2] release_sock+0x17f/0x1d0 [ 5756.513165][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5756.513173][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5756.513177][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5756.513181][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5756.513188][ C2] ? find_held_lock+0x2b/0x80 [ 5756.513193][ C2] sock_write_iter+0x3c1/0x520 [ 5756.513200][ C2] ? __up_write+0x1ad/0x530 [ 5756.513206][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5756.513213][ C2] ? ksys_write+0xf7/0x1d0 [ 5756.513221][ C2] vfs_write+0xc0c/0x1210 [ 5756.513225][ C2] ? ksys_write+0x137/0x1d0 [ 5756.513228][ C2] ? __lock_release+0x5d/0x170 [ 5756.513232][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5756.513236][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5756.513244][ C2] ksys_write+0x183/0x1d0 [ 5756.513248][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5756.513251][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5756.513259][ C2] do_syscall_64+0xc1/0x380 [ 5756.513264][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5756.513269][ C2] RIP: 0033:0x7f471c970337 [ 5756.513280][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5756.513281][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5756.513284][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5756.513287][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5756.513289][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5756.513291][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5756.513293][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5756.513299][ C2] [ 5760.652348][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5760.652859][ C2] rcu: 2-....: (3533297 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1445454 [ 5760.653258][ C2] rcu: (t=3536135 jiffies g=1286133 q=64523 ncpus=4) [ 5760.653509][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5760.653515][ C2] Tainted: [L]=SOFTLOCKUP [ 5760.653517][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5760.653519][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5760.653532][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5760.653536][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5760.653540][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5760.653542][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5760.653544][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5760.653546][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5760.653548][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5760.653551][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5760.653553][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5760.653557][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5760.653560][ C2] PKRU: 55555554 [ 5760.653561][ C2] Call Trace: [ 5760.653562][ C2] [ 5760.653565][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5760.653573][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5760.653578][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5760.653581][ C2] ? lock_acquire+0x10c/0x170 [ 5760.653587][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5760.653594][ C2] mptcp_try_fallback+0x14b/0x360 [ 5760.653598][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5760.653605][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5760.653608][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5760.653611][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5760.653616][ C2] __mptcp_retrans+0x42a/0x960 [ 5760.653621][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5760.653627][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5760.653636][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5760.653644][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5760.653647][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5760.653651][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5760.653654][ C2] ? lock_acquire+0x10c/0x170 [ 5760.653657][ C2] ? release_sock+0x1f/0x1d0 [ 5760.653664][ C2] release_sock+0x17f/0x1d0 [ 5760.653667][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5760.653675][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5760.653680][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5760.653684][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5760.653691][ C2] ? find_held_lock+0x2b/0x80 [ 5760.653695][ C2] sock_write_iter+0x3c1/0x520 [ 5760.653702][ C2] ? __up_write+0x1ad/0x530 [ 5760.653707][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5760.653713][ C2] ? ksys_write+0xf7/0x1d0 [ 5760.653722][ C2] vfs_write+0xc0c/0x1210 [ 5760.653726][ C2] ? ksys_write+0x137/0x1d0 [ 5760.653728][ C2] ? __lock_release+0x5d/0x170 [ 5760.653732][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5760.653736][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5760.653744][ C2] ksys_write+0x183/0x1d0 [ 5760.653748][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5760.653750][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5760.653759][ C2] do_syscall_64+0xc1/0x380 [ 5760.653763][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5760.653767][ C2] RIP: 0033:0x7f471c970337 [ 5760.653776][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5760.653778][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5760.653781][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5760.653784][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5760.653786][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5760.653787][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5760.653789][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5760.653795][ C2] [ 5788.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3319s! [mptcp_connect:16956] [ 5788.512948][ 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 [ 5788.512967][ C2] irq event stamp: 64230 [ 5788.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5788.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5788.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5788.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5788.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5788.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 5788.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5788.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5788.513021][ 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 [ 5788.513025][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5788.513028][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5788.513031][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5788.513033][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5788.513035][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5788.513037][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5788.513039][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5788.513042][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5788.513046][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5788.513049][ C2] PKRU: 55555554 [ 5788.513050][ C2] Call Trace: [ 5788.513055][ C2] [ 5788.513060][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5788.513069][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5788.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5788.513079][ C2] ? lock_acquire+0x10c/0x170 [ 5788.513084][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5788.513090][ C2] mptcp_try_fallback+0x14b/0x360 [ 5788.513094][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5788.513101][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5788.513104][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5788.513107][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5788.513112][ C2] __mptcp_retrans+0x42a/0x960 [ 5788.513118][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5788.513124][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5788.513133][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5788.513141][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5788.513144][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5788.513147][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5788.513150][ C2] ? lock_acquire+0x10c/0x170 [ 5788.513153][ C2] ? release_sock+0x1f/0x1d0 [ 5788.513160][ C2] release_sock+0x17f/0x1d0 [ 5788.513165][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5788.513173][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5788.513177][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5788.513181][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5788.513188][ C2] ? find_held_lock+0x2b/0x80 [ 5788.513193][ C2] sock_write_iter+0x3c1/0x520 [ 5788.513200][ C2] ? __up_write+0x1ad/0x530 [ 5788.513205][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5788.513212][ C2] ? ksys_write+0xf7/0x1d0 [ 5788.513221][ C2] vfs_write+0xc0c/0x1210 [ 5788.513225][ C2] ? ksys_write+0x137/0x1d0 [ 5788.513228][ C2] ? __lock_release+0x5d/0x170 [ 5788.513232][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5788.513236][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5788.513243][ C2] ksys_write+0x183/0x1d0 [ 5788.513247][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5788.513250][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5788.513258][ C2] do_syscall_64+0xc1/0x380 [ 5788.513264][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5788.513269][ C2] RIP: 0033:0x7f471c970337 [ 5788.513280][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5788.513281][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5788.513285][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5788.513287][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5788.513289][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5788.513292][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5788.513294][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5788.513300][ C2] [ 5816.512945][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3346s! [mptcp_connect:16956] [ 5816.512957][ 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 [ 5816.512976][ C2] irq event stamp: 64230 [ 5816.512977][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5816.512991][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5816.512995][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5816.513003][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5816.513013][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5816.513019][ C2] Tainted: [L]=SOFTLOCKUP [ 5816.513021][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5816.513024][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5816.513029][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5816.513033][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5816.513037][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5816.513039][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5816.513041][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5816.513044][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5816.513046][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5816.513048][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5816.513051][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5816.513055][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5816.513057][ C2] PKRU: 55555554 [ 5816.513059][ C2] Call Trace: [ 5816.513064][ C2] [ 5816.513070][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5816.513077][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5816.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5816.513087][ C2] ? lock_acquire+0x10c/0x170 [ 5816.513092][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5816.513097][ C2] mptcp_try_fallback+0x14b/0x360 [ 5816.513102][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5816.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5816.513112][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5816.513115][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5816.513120][ C2] __mptcp_retrans+0x42a/0x960 [ 5816.513126][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5816.513131][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5816.513140][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5816.513148][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5816.513151][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5816.513154][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5816.513157][ C2] ? lock_acquire+0x10c/0x170 [ 5816.513160][ C2] ? release_sock+0x1f/0x1d0 [ 5816.513167][ C2] release_sock+0x17f/0x1d0 [ 5816.513172][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5816.513180][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5816.513183][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5816.513188][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5816.513195][ C2] ? find_held_lock+0x2b/0x80 [ 5816.513199][ C2] sock_write_iter+0x3c1/0x520 [ 5816.513206][ C2] ? __up_write+0x1ad/0x530 [ 5816.513212][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5816.513219][ C2] ? ksys_write+0xf7/0x1d0 [ 5816.513227][ C2] vfs_write+0xc0c/0x1210 [ 5816.513231][ C2] ? ksys_write+0x137/0x1d0 [ 5816.513234][ C2] ? __lock_release+0x5d/0x170 [ 5816.513238][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5816.513242][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5816.513249][ C2] ksys_write+0x183/0x1d0 [ 5816.513253][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5816.513256][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5816.513264][ C2] do_syscall_64+0xc1/0x380 [ 5816.513269][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5816.513273][ C2] RIP: 0033:0x7f471c970337 [ 5816.513284][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5816.513285][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5816.513288][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5816.513290][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5816.513293][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5816.513295][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5816.513296][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5816.513302][ C2] [ 5830.045347][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3575493 jiffies s: 68525 root: 0x4/. [ 5830.045846][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5830.046031][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5830.046197][ C2] NMI backtrace for cpu 2 [ 5830.046213][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5830.046219][ C2] Tainted: [L]=SOFTLOCKUP [ 5830.046221][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5830.046224][ C2] RIP: 0010:vm_interrupt+0x54/0x160 [ 5830.046246][ 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 [ 5830.046250][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [ 5830.046254][ C2] RAX: ffffc9000002ec00 RBX: ffff88800625b800 RCX: ffffffffa0423c21 [ 5830.046257][ C2] RDX: 1ffff11000c4b7a5 RSI: ffff88800625b800 RDI: ffff88800625bd28 [ 5830.046259][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff490a2fa [ 5830.046261][ C2] R10: ffffffffa48517d7 R11: ffffc90000218ff8 R12: ffff88800293e400 [ 5830.046263][ C2] R13: 0000000000000001 R14: ffffffffa14624b0 R15: ffff8880062eab00 [ 5830.046265][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5830.046268][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5830.046272][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5830.046275][ C2] PKRU: 55555554 [ 5830.046276][ C2] Call Trace: [ 5830.046280][ C2] [ 5830.046283][ C2] ? rcu_is_watching+0x12/0xc0 [ 5830.046293][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 5830.046297][ C2] __handle_irq_event_percpu+0x190/0x310 [ 5830.046305][ C2] handle_irq_event+0xaa/0x1c0 [ 5830.046309][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 5830.046317][ C2] __common_interrupt+0xad/0x1d0 [ 5830.046326][ C2] common_interrupt+0xb9/0xe0 [ 5830.046333][ C2] [ 5830.046334][ C2] [ 5830.046336][ C2] asm_common_interrupt+0x26/0x40 [ 5830.046342][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5830.046349][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5830.046352][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5830.046355][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5830.046357][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5830.046359][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5830.046361][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5830.046363][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5830.046367][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5830.046374][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5830.046381][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5830.046386][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5830.046388][ C2] ? lock_acquire+0x10c/0x170 [ 5830.046393][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5830.046401][ C2] mptcp_try_fallback+0x14b/0x360 [ 5830.046405][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5830.046412][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5830.046415][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5830.046417][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5830.046422][ C2] __mptcp_retrans+0x42a/0x960 [ 5830.046428][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5830.046434][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5830.046442][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5830.046451][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5830.046453][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5830.046457][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5830.046459][ C2] ? lock_acquire+0x10c/0x170 [ 5830.046462][ C2] ? release_sock+0x1f/0x1d0 [ 5830.046470][ C2] release_sock+0x17f/0x1d0 [ 5830.046473][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5830.046481][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5830.046485][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5830.046489][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5830.046496][ C2] ? find_held_lock+0x2b/0x80 [ 5830.046500][ C2] sock_write_iter+0x3c1/0x520 [ 5830.046506][ C2] ? __up_write+0x1ad/0x530 [ 5830.046512][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5830.046518][ C2] ? ksys_write+0xf7/0x1d0 [ 5830.046526][ C2] vfs_write+0xc0c/0x1210 [ 5830.046530][ C2] ? ksys_write+0x137/0x1d0 [ 5830.046532][ C2] ? __lock_release+0x5d/0x170 [ 5830.046537][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5830.046540][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5830.046547][ C2] ksys_write+0x183/0x1d0 [ 5830.046551][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5830.046554][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5830.046561][ C2] do_syscall_64+0xc1/0x380 [ 5830.046565][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5830.046568][ C2] RIP: 0033:0x7f471c970337 [ 5830.046579][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5830.046581][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5830.046584][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5830.046586][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5830.046588][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5830.046590][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5830.046592][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5830.046598][ C2] [ 5838.655324][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5838.655737][ C2] rcu: 2-....: (3611229 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1481559 [ 5838.656231][ C2] rcu: (t=3614138 jiffies g=1286133 q=65961 ncpus=4) [ 5838.656468][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5838.656475][ C2] Tainted: [L]=SOFTLOCKUP [ 5838.656476][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5838.656479][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 5838.656492][ 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 [ 5838.656495][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5838.656499][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5838.656502][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5838.656504][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5838.656506][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5838.656508][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5838.656510][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5838.656513][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5838.656517][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5838.656519][ C2] PKRU: 55555554 [ 5838.656520][ C2] Call Trace: [ 5838.656522][ C2] [ 5838.656524][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5838.656532][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5838.656538][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5838.656541][ C2] ? lock_acquire+0x10c/0x170 [ 5838.656546][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5838.656554][ C2] mptcp_try_fallback+0x14b/0x360 [ 5838.656558][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5838.656565][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5838.656567][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5838.656570][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5838.656576][ C2] __mptcp_retrans+0x42a/0x960 [ 5838.656581][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5838.656586][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5838.656595][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5838.656602][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5838.656605][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5838.656608][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5838.656610][ C2] ? lock_acquire+0x10c/0x170 [ 5838.656613][ C2] ? release_sock+0x1f/0x1d0 [ 5838.656620][ C2] release_sock+0x17f/0x1d0 [ 5838.656623][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5838.656630][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5838.656634][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5838.656638][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5838.656644][ C2] ? find_held_lock+0x2b/0x80 [ 5838.656648][ C2] sock_write_iter+0x3c1/0x520 [ 5838.656654][ C2] ? __up_write+0x1ad/0x530 [ 5838.656659][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5838.656665][ C2] ? ksys_write+0xf7/0x1d0 [ 5838.656673][ C2] vfs_write+0xc0c/0x1210 [ 5838.656676][ C2] ? ksys_write+0x137/0x1d0 [ 5838.656679][ C2] ? __lock_release+0x5d/0x170 [ 5838.656682][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5838.656686][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5838.656693][ C2] ksys_write+0x183/0x1d0 [ 5838.656696][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5838.656698][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5838.656706][ C2] do_syscall_64+0xc1/0x380 [ 5838.656710][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5838.656714][ C2] RIP: 0033:0x7f471c970337 [ 5838.656724][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5838.656726][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5838.656730][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5838.656732][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5838.656734][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5838.656736][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5838.656737][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5838.656743][ C2] [ 5864.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3390s! [mptcp_connect:16956] [ 5864.512949][ 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 [ 5864.512967][ C2] irq event stamp: 64230 [ 5864.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5864.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5864.512986][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5864.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5864.513003][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5864.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 5864.513011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5864.513014][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 5864.513022][ 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 [ 5864.513026][ C2] RSP: 0018:ffffc9000029f5b8 EFLAGS: 00000282 [ 5864.513029][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5864.513031][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5864.513034][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5864.513036][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5864.513038][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5864.513040][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5864.513043][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5864.513047][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5864.513049][ C2] PKRU: 55555554 [ 5864.513051][ C2] Call Trace: [ 5864.513055][ C2] [ 5864.513060][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5864.513067][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5864.513074][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5864.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5864.513083][ C2] ? lock_acquire+0x10c/0x170 [ 5864.513087][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5864.513092][ C2] mptcp_try_fallback+0x14b/0x360 [ 5864.513097][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5864.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5864.513107][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5864.513110][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5864.513115][ C2] __mptcp_retrans+0x42a/0x960 [ 5864.513121][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5864.513126][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5864.513135][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5864.513143][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5864.513145][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5864.513149][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5864.513152][ C2] ? lock_acquire+0x10c/0x170 [ 5864.513155][ C2] ? release_sock+0x1f/0x1d0 [ 5864.513162][ C2] release_sock+0x17f/0x1d0 [ 5864.513166][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5864.513174][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5864.513178][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5864.513182][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5864.513189][ C2] ? find_held_lock+0x2b/0x80 [ 5864.513194][ C2] sock_write_iter+0x3c1/0x520 [ 5864.513200][ C2] ? __up_write+0x1ad/0x530 [ 5864.513206][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5864.513212][ C2] ? ksys_write+0xf7/0x1d0 [ 5864.513219][ C2] vfs_write+0xc0c/0x1210 [ 5864.513223][ C2] ? ksys_write+0x137/0x1d0 [ 5864.513226][ C2] ? __lock_release+0x5d/0x170 [ 5864.513230][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5864.513234][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5864.513241][ C2] ksys_write+0x183/0x1d0 [ 5864.513245][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5864.513247][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5864.513255][ C2] do_syscall_64+0xc1/0x380 [ 5864.513260][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5864.513264][ C2] RIP: 0033:0x7f471c970337 [ 5864.513275][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5864.513277][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5864.513280][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5864.513282][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5864.513284][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5864.513286][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5864.513288][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5864.513295][ C2] [ 5892.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3416s! [mptcp_connect:16956] [ 5892.512949][ 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 [ 5892.512967][ C2] irq event stamp: 64230 [ 5892.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5892.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5892.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5892.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5892.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5892.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 5892.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5892.513015][ C2] RIP: 0010:kasan_check_range+0x81/0x1c0 [ 5892.513024][ 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 [ 5892.513028][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000286 [ 5892.513031][ C2] RAX: ffffed100170bd66 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 5892.513034][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5892.513036][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 5892.513038][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5892.513040][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5892.513043][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5892.513046][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5892.513050][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5892.513052][ C2] PKRU: 55555554 [ 5892.513054][ C2] Call Trace: [ 5892.513060][ C2] [ 5892.513065][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5892.513071][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5892.513078][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5892.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5892.513087][ C2] ? lock_acquire+0x10c/0x170 [ 5892.513092][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5892.513097][ C2] mptcp_try_fallback+0x14b/0x360 [ 5892.513102][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5892.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5892.513112][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5892.513114][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5892.513119][ C2] __mptcp_retrans+0x42a/0x960 [ 5892.513126][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5892.513131][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5892.513139][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5892.513147][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5892.513150][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5892.513153][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5892.513156][ C2] ? lock_acquire+0x10c/0x170 [ 5892.513159][ C2] ? release_sock+0x1f/0x1d0 [ 5892.513166][ C2] release_sock+0x17f/0x1d0 [ 5892.513170][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5892.513178][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5892.513181][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5892.513202][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5892.513209][ C2] ? find_held_lock+0x2b/0x80 [ 5892.513213][ C2] sock_write_iter+0x3c1/0x520 [ 5892.513220][ C2] ? __up_write+0x1ad/0x530 [ 5892.513225][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5892.513232][ C2] ? ksys_write+0xf7/0x1d0 [ 5892.513239][ C2] vfs_write+0xc0c/0x1210 [ 5892.513243][ C2] ? ksys_write+0x137/0x1d0 [ 5892.513246][ C2] ? __lock_release+0x5d/0x170 [ 5892.513250][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5892.513254][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5892.513262][ C2] ksys_write+0x183/0x1d0 [ 5892.513266][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5892.513268][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5892.513276][ C2] do_syscall_64+0xc1/0x380 [ 5892.513281][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5892.513287][ C2] RIP: 0033:0x7f471c970337 [ 5892.513297][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5892.513299][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5892.513303][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5892.513305][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5892.513307][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5892.513309][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5892.513311][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5892.513317][ C2] [ 5916.658322][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5916.658847][ C2] rcu: 2-....: (3689182 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1518048 [ 5916.659281][ C2] rcu: (t=3692141 jiffies g=1286133 q=66990 ncpus=4) [ 5916.659553][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5916.659559][ C2] Tainted: [L]=SOFTLOCKUP [ 5916.659561][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5916.659564][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5916.659577][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5916.659581][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5916.659585][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5916.659587][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5916.659590][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5916.659592][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5916.659594][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5916.659597][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5916.659600][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5916.659604][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5916.659606][ C2] PKRU: 55555554 [ 5916.659607][ C2] Call Trace: [ 5916.659609][ C2] [ 5916.659612][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5916.659620][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5916.659625][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5916.659628][ C2] ? lock_acquire+0x10c/0x170 [ 5916.659633][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5916.659641][ C2] mptcp_try_fallback+0x14b/0x360 [ 5916.659645][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5916.659652][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5916.659655][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5916.659658][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5916.659663][ C2] __mptcp_retrans+0x42a/0x960 [ 5916.659669][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5916.659674][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5916.659683][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5916.659691][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5916.659694][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5916.659698][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5916.659700][ C2] ? lock_acquire+0x10c/0x170 [ 5916.659704][ C2] ? release_sock+0x1f/0x1d0 [ 5916.659711][ C2] release_sock+0x17f/0x1d0 [ 5916.659715][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5916.659722][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5916.659727][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5916.659731][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5916.659737][ C2] ? find_held_lock+0x2b/0x80 [ 5916.659741][ C2] sock_write_iter+0x3c1/0x520 [ 5916.659747][ C2] ? __up_write+0x1ad/0x530 [ 5916.659753][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5916.659759][ C2] ? ksys_write+0xf7/0x1d0 [ 5916.659768][ C2] vfs_write+0xc0c/0x1210 [ 5916.659771][ C2] ? ksys_write+0x137/0x1d0 [ 5916.659774][ C2] ? __lock_release+0x5d/0x170 [ 5916.659778][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5916.659782][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5916.659789][ C2] ksys_write+0x183/0x1d0 [ 5916.659793][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5916.659796][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5916.659804][ C2] do_syscall_64+0xc1/0x380 [ 5916.659808][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5916.659812][ C2] RIP: 0033:0x7f471c970337 [ 5916.659823][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5916.659825][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5916.659828][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5916.659830][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5916.659832][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5916.659834][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5916.659836][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5916.659842][ C2] [ 5928.349347][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3673797 jiffies s: 68525 root: 0x4/. [ 5928.349845][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 5928.350025][ T17] Sending NMI from CPU 0 to CPUs 2: [ 5928.350205][ C2] NMI backtrace for cpu 2 [ 5928.350221][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5928.350228][ C2] Tainted: [L]=SOFTLOCKUP [ 5928.350229][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5928.350232][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 5928.350243][ 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 [ 5928.350247][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 5928.350251][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 5928.350254][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 5928.350256][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 5928.350258][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 5928.350260][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 5928.350262][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5928.350265][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5928.350269][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5928.350272][ C2] PKRU: 55555554 [ 5928.350273][ C2] Call Trace: [ 5928.350277][ C2] [ 5928.350279][ C2] ioapic_ack_level+0xcf/0x3d0 [ 5928.350290][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 5928.350299][ C2] __common_interrupt+0xad/0x1d0 [ 5928.350307][ C2] common_interrupt+0xb9/0xe0 [ 5928.350315][ C2] [ 5928.350317][ C2] [ 5928.350319][ C2] asm_common_interrupt+0x26/0x40 [ 5928.350326][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5928.350332][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5928.350335][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5928.350338][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5928.350340][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5928.350342][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5928.350344][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5928.350345][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5928.350349][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 5928.350356][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5928.350362][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5928.350367][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5928.350370][ C2] ? lock_acquire+0x10c/0x170 [ 5928.350375][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5928.350383][ C2] mptcp_try_fallback+0x14b/0x360 [ 5928.350387][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5928.350394][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5928.350396][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5928.350399][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5928.350404][ C2] __mptcp_retrans+0x42a/0x960 [ 5928.350410][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5928.350415][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5928.350423][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5928.350430][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5928.350433][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5928.350436][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5928.350439][ C2] ? lock_acquire+0x10c/0x170 [ 5928.350442][ C2] ? release_sock+0x1f/0x1d0 [ 5928.350449][ C2] release_sock+0x17f/0x1d0 [ 5928.350453][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5928.350461][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5928.350465][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5928.350468][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5928.350475][ C2] ? find_held_lock+0x2b/0x80 [ 5928.350479][ C2] sock_write_iter+0x3c1/0x520 [ 5928.350485][ C2] ? __up_write+0x1ad/0x530 [ 5928.350491][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5928.350497][ C2] ? ksys_write+0xf7/0x1d0 [ 5928.350505][ C2] vfs_write+0xc0c/0x1210 [ 5928.350509][ C2] ? ksys_write+0x137/0x1d0 [ 5928.350512][ C2] ? __lock_release+0x5d/0x170 [ 5928.350516][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5928.350519][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5928.350526][ C2] ksys_write+0x183/0x1d0 [ 5928.350530][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5928.350533][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5928.350540][ C2] do_syscall_64+0xc1/0x380 [ 5928.350544][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5928.350547][ C2] RIP: 0033:0x7f471c970337 [ 5928.350557][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5928.350559][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5928.350562][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5928.350565][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5928.350567][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5928.350569][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5928.350571][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5928.350577][ C2] [ 5952.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3472s! [mptcp_connect:16956] [ 5952.512948][ 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 [ 5952.512967][ C2] irq event stamp: 64230 [ 5952.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5952.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5952.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5952.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5952.513006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5952.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 5952.513013][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5952.513016][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 5952.513022][ 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 [ 5952.513025][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5952.513029][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5952.513031][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5952.513033][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5952.513035][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5952.513037][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5952.513040][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5952.513043][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5952.513048][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5952.513050][ C2] PKRU: 55555554 [ 5952.513051][ C2] Call Trace: [ 5952.513056][ C2] [ 5952.513061][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5952.513069][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5952.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5952.513079][ C2] ? lock_acquire+0x10c/0x170 [ 5952.513084][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5952.513089][ C2] mptcp_try_fallback+0x14b/0x360 [ 5952.513093][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5952.513100][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5952.513103][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5952.513106][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5952.513110][ C2] __mptcp_retrans+0x42a/0x960 [ 5952.513117][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5952.513122][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5952.513130][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5952.513138][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5952.513140][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5952.513144][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5952.513146][ C2] ? lock_acquire+0x10c/0x170 [ 5952.513149][ C2] ? release_sock+0x1f/0x1d0 [ 5952.513156][ C2] release_sock+0x17f/0x1d0 [ 5952.513160][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5952.513169][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5952.513172][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5952.513176][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5952.513183][ C2] ? find_held_lock+0x2b/0x80 [ 5952.513188][ C2] sock_write_iter+0x3c1/0x520 [ 5952.513194][ C2] ? __up_write+0x1ad/0x530 [ 5952.513201][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5952.513207][ C2] ? ksys_write+0xf7/0x1d0 [ 5952.513215][ C2] vfs_write+0xc0c/0x1210 [ 5952.513219][ C2] ? ksys_write+0x137/0x1d0 [ 5952.513222][ C2] ? __lock_release+0x5d/0x170 [ 5952.513226][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5952.513230][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5952.513237][ C2] ksys_write+0x183/0x1d0 [ 5952.513241][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5952.513244][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5952.513252][ C2] do_syscall_64+0xc1/0x380 [ 5952.513256][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5952.513261][ C2] RIP: 0033:0x7f471c970337 [ 5952.513272][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5952.513274][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5952.513277][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5952.513280][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5952.513282][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5952.513284][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5952.513286][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5952.513292][ C2] [ 5980.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3498s! [mptcp_connect:16956] [ 5980.512949][ 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 [ 5980.512968][ C2] irq event stamp: 64230 [ 5980.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 5980.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 5980.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 5980.512996][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 5980.513006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5980.513012][ C2] Tainted: [L]=SOFTLOCKUP [ 5980.513014][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5980.513017][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 5980.513022][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 5980.513025][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 5980.513029][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5980.513031][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5980.513033][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5980.513036][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5980.513037][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5980.513040][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5980.513043][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5980.513046][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5980.513048][ C2] PKRU: 55555554 [ 5980.513050][ C2] Call Trace: [ 5980.513054][ C2] [ 5980.513059][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5980.513067][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5980.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5980.513077][ C2] ? lock_acquire+0x10c/0x170 [ 5980.513081][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5980.513086][ C2] mptcp_try_fallback+0x14b/0x360 [ 5980.513091][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5980.513097][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5980.513100][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5980.513103][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5980.513108][ C2] __mptcp_retrans+0x42a/0x960 [ 5980.513114][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5980.513120][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5980.513129][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5980.513137][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5980.513139][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5980.513142][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5980.513145][ C2] ? lock_acquire+0x10c/0x170 [ 5980.513148][ C2] ? release_sock+0x1f/0x1d0 [ 5980.513155][ C2] release_sock+0x17f/0x1d0 [ 5980.513159][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5980.513167][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5980.513171][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5980.513175][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5980.513182][ C2] ? find_held_lock+0x2b/0x80 [ 5980.513187][ C2] sock_write_iter+0x3c1/0x520 [ 5980.513193][ C2] ? __up_write+0x1ad/0x530 [ 5980.513199][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5980.513205][ C2] ? ksys_write+0xf7/0x1d0 [ 5980.513214][ C2] vfs_write+0xc0c/0x1210 [ 5980.513218][ C2] ? ksys_write+0x137/0x1d0 [ 5980.513221][ C2] ? __lock_release+0x5d/0x170 [ 5980.513225][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5980.513229][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5980.513237][ C2] ksys_write+0x183/0x1d0 [ 5980.513240][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5980.513243][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5980.513251][ C2] do_syscall_64+0xc1/0x380 [ 5980.513256][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5980.513261][ C2] RIP: 0033:0x7f471c970337 [ 5980.513272][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5980.513274][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5980.513277][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5980.513279][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5980.513282][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5980.513284][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5980.513286][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5980.513292][ C2] [ 5994.661323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5994.661824][ C2] rcu: 2-....: (3767116 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1554176 [ 5994.662220][ C2] rcu: (t=3770144 jiffies g=1286133 q=68416 ncpus=4) [ 5994.662470][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 5994.662476][ C2] Tainted: [L]=SOFTLOCKUP [ 5994.662478][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5994.662481][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 5994.662493][ C2] Code: c7 c7 40 05 87 a3 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 [ 5994.662496][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 5994.662501][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 5994.662503][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 5994.662505][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 5994.662507][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 5994.662509][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 5994.662512][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 5994.662514][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5994.662518][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 5994.662520][ C2] PKRU: 55555554 [ 5994.662521][ C2] Call Trace: [ 5994.662523][ C2] [ 5994.662524][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 5994.662535][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 5994.662542][ C2] do_raw_spin_lock+0x1e8/0x270 [ 5994.662547][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5994.662550][ C2] ? lock_acquire+0x10c/0x170 [ 5994.662555][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 5994.662563][ C2] mptcp_try_fallback+0x14b/0x360 [ 5994.662567][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 5994.662574][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5994.662576][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 5994.662579][ C2] ? __mptcp_retrans+0x34a/0x960 [ 5994.662584][ C2] __mptcp_retrans+0x42a/0x960 [ 5994.662590][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 5994.662595][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 5994.662604][ C2] mptcp_release_cb+0x5eb/0xac0 [ 5994.662612][ C2] ? do_raw_spin_lock+0x130/0x270 [ 5994.662614][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 5994.662617][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 5994.662620][ C2] ? lock_acquire+0x10c/0x170 [ 5994.662623][ C2] ? release_sock+0x1f/0x1d0 [ 5994.662631][ C2] release_sock+0x17f/0x1d0 [ 5994.662634][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 5994.662642][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 5994.662646][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 5994.662649][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 5994.662656][ C2] ? find_held_lock+0x2b/0x80 [ 5994.662661][ C2] sock_write_iter+0x3c1/0x520 [ 5994.662667][ C2] ? __up_write+0x1ad/0x530 [ 5994.662672][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 5994.662678][ C2] ? ksys_write+0xf7/0x1d0 [ 5994.662685][ C2] vfs_write+0xc0c/0x1210 [ 5994.662688][ C2] ? ksys_write+0x137/0x1d0 [ 5994.662691][ C2] ? __lock_release+0x5d/0x170 [ 5994.662695][ C2] ? __pfx_vfs_write+0x10/0x10 [ 5994.662699][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 5994.662706][ C2] ksys_write+0x183/0x1d0 [ 5994.662709][ C2] ? __pfx_ksys_write+0x10/0x10 [ 5994.662712][ C2] ? do_user_addr_fault+0x959/0xe00 [ 5994.662720][ C2] do_syscall_64+0xc1/0x380 [ 5994.662725][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5994.662729][ C2] RIP: 0033:0x7f471c970337 [ 5994.662739][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 5994.662741][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 5994.662744][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 5994.662746][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 5994.662748][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 5994.662750][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 5994.662752][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 5994.662758][ C2] [ 6020.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3536s! [mptcp_connect:16956] [ 6020.512948][ 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 [ 6020.512967][ C2] irq event stamp: 64230 [ 6020.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6020.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6020.512988][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6020.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6020.513006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6020.513012][ C2] Tainted: [L]=SOFTLOCKUP [ 6020.513014][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6020.513017][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 6020.513023][ 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 [ 6020.513027][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6020.513030][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6020.513033][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6020.513035][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6020.513037][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6020.513040][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6020.513042][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6020.513045][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6020.513049][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6020.513052][ C2] PKRU: 55555554 [ 6020.513053][ C2] Call Trace: [ 6020.513058][ C2] [ 6020.513064][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6020.513072][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6020.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6020.513082][ C2] ? lock_acquire+0x10c/0x170 [ 6020.513087][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6020.513092][ C2] mptcp_try_fallback+0x14b/0x360 [ 6020.513097][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6020.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6020.513107][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6020.513110][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6020.513115][ C2] __mptcp_retrans+0x42a/0x960 [ 6020.513121][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6020.513127][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6020.513136][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6020.513144][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6020.513147][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6020.513150][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6020.513152][ C2] ? lock_acquire+0x10c/0x170 [ 6020.513155][ C2] ? release_sock+0x1f/0x1d0 [ 6020.513163][ C2] release_sock+0x17f/0x1d0 [ 6020.513168][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6020.513176][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6020.513179][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6020.513184][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6020.513191][ C2] ? find_held_lock+0x2b/0x80 [ 6020.513196][ C2] sock_write_iter+0x3c1/0x520 [ 6020.513202][ C2] ? __up_write+0x1ad/0x530 [ 6020.513208][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6020.513215][ C2] ? ksys_write+0xf7/0x1d0 [ 6020.513223][ C2] vfs_write+0xc0c/0x1210 [ 6020.513227][ C2] ? ksys_write+0x137/0x1d0 [ 6020.513230][ C2] ? __lock_release+0x5d/0x170 [ 6020.513234][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6020.513238][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6020.513246][ C2] ksys_write+0x183/0x1d0 [ 6020.513250][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6020.513253][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6020.513261][ C2] do_syscall_64+0xc1/0x380 [ 6020.513266][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6020.513271][ C2] RIP: 0033:0x7f471c970337 [ 6020.513283][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6020.513285][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6020.513289][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6020.513291][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6020.513293][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6020.513296][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6020.513298][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6020.513304][ C2] [ 6026.653342][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3772101 jiffies s: 68525 root: 0x4/. [ 6026.653833][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6026.654021][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6026.654185][ C2] NMI backtrace for cpu 2 [ 6026.654199][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6026.654206][ C2] Tainted: [L]=SOFTLOCKUP [ 6026.654208][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6026.654210][ C2] RIP: 0010:vring_interrupt+0x246/0x350 [ 6026.654221][ 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 [ 6026.654224][ C2] RSP: 0018:ffffc90000218ea0 EFLAGS: 00000806 [ 6026.654229][ C2] RAX: dffffc0000000000 RBX: ffff88800645d000 RCX: ffffffffa03f1df0 [ 6026.654231][ C2] RDX: 0000000000000000 RSI: ffff888006350700 RDI: ffff88800645d002 [ 6026.654233][ C2] RBP: ffff888006350700 R08: 0000000000000001 R09: fffff520000431c6 [ 6026.654235][ C2] R10: 0000000000000003 R11: ffffc90000218ff8 R12: 0000000000000402 [ 6026.654237][ C2] R13: ffff88800625bd78 R14: dffffc0000000000 R15: ffff88800625bd38 [ 6026.654239][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6026.654241][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6026.654245][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6026.654247][ C2] PKRU: 55555554 [ 6026.654249][ C2] Call Trace: [ 6026.654252][ C2] [ 6026.654257][ C2] vm_interrupt+0xd2/0x160 [ 6026.654264][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 6026.654268][ C2] __handle_irq_event_percpu+0x190/0x310 [ 6026.654276][ C2] handle_irq_event+0xaa/0x1c0 [ 6026.654280][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 6026.654286][ C2] __common_interrupt+0xad/0x1d0 [ 6026.654294][ C2] common_interrupt+0xb9/0xe0 [ 6026.654302][ C2] [ 6026.654303][ C2] [ 6026.654305][ C2] asm_common_interrupt+0x26/0x40 [ 6026.654310][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6026.654318][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6026.654320][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6026.654323][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6026.654325][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6026.654327][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6026.654328][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6026.654330][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6026.654334][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 6026.654340][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6026.654346][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6026.654351][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6026.654354][ C2] ? lock_acquire+0x10c/0x170 [ 6026.654358][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6026.654366][ C2] mptcp_try_fallback+0x14b/0x360 [ 6026.654370][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6026.654376][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6026.654378][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6026.654381][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6026.654386][ C2] __mptcp_retrans+0x42a/0x960 [ 6026.654392][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6026.654397][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6026.654404][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6026.654412][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6026.654415][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6026.654418][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6026.654421][ C2] ? lock_acquire+0x10c/0x170 [ 6026.654423][ C2] ? release_sock+0x1f/0x1d0 [ 6026.654431][ C2] release_sock+0x17f/0x1d0 [ 6026.654434][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6026.654441][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6026.654445][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6026.654449][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6026.654455][ C2] ? find_held_lock+0x2b/0x80 [ 6026.654459][ C2] sock_write_iter+0x3c1/0x520 [ 6026.654466][ C2] ? __up_write+0x1ad/0x530 [ 6026.654471][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6026.654478][ C2] ? ksys_write+0xf7/0x1d0 [ 6026.654485][ C2] vfs_write+0xc0c/0x1210 [ 6026.654489][ C2] ? ksys_write+0x137/0x1d0 [ 6026.654492][ C2] ? __lock_release+0x5d/0x170 [ 6026.654496][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6026.654499][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6026.654506][ C2] ksys_write+0x183/0x1d0 [ 6026.654509][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6026.654512][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6026.654520][ C2] do_syscall_64+0xc1/0x380 [ 6026.654524][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6026.654527][ C2] RIP: 0033:0x7f471c970337 [ 6026.654537][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6026.654539][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6026.654542][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6026.654544][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6026.654546][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6026.654548][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6026.654550][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6026.654556][ C2] [ 6052.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3565s! [mptcp_connect:16956] [ 6052.512950][ 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 [ 6052.512968][ C2] irq event stamp: 64230 [ 6052.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6052.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6052.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6052.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6052.513004][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6052.513010][ C2] Tainted: [L]=SOFTLOCKUP [ 6052.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6052.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6052.513020][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6052.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6052.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6052.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6052.513031][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6052.513033][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6052.513034][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6052.513036][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6052.513039][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6052.513043][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6052.513045][ C2] PKRU: 55555554 [ 6052.513046][ C2] Call Trace: [ 6052.513050][ C2] [ 6052.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6052.513063][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6052.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6052.513071][ C2] ? lock_acquire+0x10c/0x170 [ 6052.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6052.513081][ C2] mptcp_try_fallback+0x14b/0x360 [ 6052.513085][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6052.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6052.513094][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6052.513097][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6052.513101][ C2] __mptcp_retrans+0x42a/0x960 [ 6052.513107][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6052.513112][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6052.513121][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6052.513128][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6052.513131][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6052.513134][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6052.513136][ C2] ? lock_acquire+0x10c/0x170 [ 6052.513139][ C2] ? release_sock+0x1f/0x1d0 [ 6052.513146][ C2] release_sock+0x17f/0x1d0 [ 6052.513150][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6052.513158][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6052.513161][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6052.513165][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6052.513172][ C2] ? find_held_lock+0x2b/0x80 [ 6052.513176][ C2] sock_write_iter+0x3c1/0x520 [ 6052.513183][ C2] ? __up_write+0x1ad/0x530 [ 6052.513188][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6052.513195][ C2] ? ksys_write+0xf7/0x1d0 [ 6052.513203][ C2] vfs_write+0xc0c/0x1210 [ 6052.513207][ C2] ? ksys_write+0x137/0x1d0 [ 6052.513210][ C2] ? __lock_release+0x5d/0x170 [ 6052.513213][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6052.513217][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6052.513225][ C2] ksys_write+0x183/0x1d0 [ 6052.513228][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6052.513231][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6052.513238][ C2] do_syscall_64+0xc1/0x380 [ 6052.513243][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6052.513248][ C2] RIP: 0033:0x7f471c970337 [ 6052.513259][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6052.513261][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6052.513264][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6052.513266][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6052.513268][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6052.513270][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6052.513272][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6052.513278][ C2] [ 6072.664322][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6072.664800][ C2] rcu: 2-....: (3845049 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1590484 [ 6072.665192][ C2] rcu: (t=3848147 jiffies g=1286133 q=69857 ncpus=4) [ 6072.665465][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6072.665472][ C2] Tainted: [L]=SOFTLOCKUP [ 6072.665474][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6072.665477][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6072.665490][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6072.665493][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6072.665498][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6072.665501][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6072.665503][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6072.665505][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6072.665507][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6072.665509][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6072.665512][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6072.665516][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6072.665518][ C2] PKRU: 55555554 [ 6072.665519][ C2] Call Trace: [ 6072.665521][ C2] [ 6072.665523][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6072.665531][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6072.665537][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6072.665540][ C2] ? lock_acquire+0x10c/0x170 [ 6072.665544][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6072.665553][ C2] mptcp_try_fallback+0x14b/0x360 [ 6072.665556][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6072.665562][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6072.665565][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6072.665568][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6072.665573][ C2] __mptcp_retrans+0x42a/0x960 [ 6072.665579][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6072.665584][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6072.665593][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6072.665601][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6072.665604][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6072.665607][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6072.665609][ C2] ? lock_acquire+0x10c/0x170 [ 6072.665612][ C2] ? release_sock+0x1f/0x1d0 [ 6072.665619][ C2] release_sock+0x17f/0x1d0 [ 6072.665622][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6072.665630][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6072.665634][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6072.665637][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6072.665644][ C2] ? find_held_lock+0x2b/0x80 [ 6072.665648][ C2] sock_write_iter+0x3c1/0x520 [ 6072.665654][ C2] ? __up_write+0x1ad/0x530 [ 6072.665660][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6072.665667][ C2] ? ksys_write+0xf7/0x1d0 [ 6072.665676][ C2] vfs_write+0xc0c/0x1210 [ 6072.665679][ C2] ? ksys_write+0x137/0x1d0 [ 6072.665682][ C2] ? __lock_release+0x5d/0x170 [ 6072.665686][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6072.665690][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6072.665697][ C2] ksys_write+0x183/0x1d0 [ 6072.665700][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6072.665702][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6072.665711][ C2] do_syscall_64+0xc1/0x380 [ 6072.665715][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6072.665719][ C2] RIP: 0033:0x7f471c970337 [ 6072.665730][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6072.665732][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6072.665735][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6072.665737][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6072.665739][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6072.665740][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6072.665742][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6072.665748][ C2] [ 6100.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3610s! [mptcp_connect:16956] [ 6100.512949][ 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 [ 6100.512969][ C2] irq event stamp: 64230 [ 6100.512971][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6100.512985][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6100.512990][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6100.512997][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6100.513007][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6100.513013][ C2] Tainted: [L]=SOFTLOCKUP [ 6100.513015][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6100.513019][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6100.513025][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6100.513028][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6100.513032][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6100.513034][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6100.513037][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6100.513039][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6100.513041][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6100.513044][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6100.513047][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6100.513051][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6100.513053][ C2] PKRU: 55555554 [ 6100.513055][ C2] Call Trace: [ 6100.513060][ C2] [ 6100.513065][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6100.513073][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6100.513081][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6100.513084][ C2] ? lock_acquire+0x10c/0x170 [ 6100.513089][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6100.513094][ C2] mptcp_try_fallback+0x14b/0x360 [ 6100.513098][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6100.513105][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6100.513108][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6100.513111][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6100.513116][ C2] __mptcp_retrans+0x42a/0x960 [ 6100.513122][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6100.513128][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6100.513137][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6100.513145][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6100.513147][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6100.513151][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6100.513153][ C2] ? lock_acquire+0x10c/0x170 [ 6100.513156][ C2] ? release_sock+0x1f/0x1d0 [ 6100.513164][ C2] release_sock+0x17f/0x1d0 [ 6100.513168][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6100.513177][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6100.513180][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6100.513185][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6100.513192][ C2] ? find_held_lock+0x2b/0x80 [ 6100.513196][ C2] sock_write_iter+0x3c1/0x520 [ 6100.513203][ C2] ? __up_write+0x1ad/0x530 [ 6100.513209][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6100.513216][ C2] ? ksys_write+0xf7/0x1d0 [ 6100.513224][ C2] vfs_write+0xc0c/0x1210 [ 6100.513229][ C2] ? ksys_write+0x137/0x1d0 [ 6100.513232][ C2] ? __lock_release+0x5d/0x170 [ 6100.513236][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6100.513240][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6100.513247][ C2] ksys_write+0x183/0x1d0 [ 6100.513251][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6100.513254][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6100.513262][ C2] do_syscall_64+0xc1/0x380 [ 6100.513267][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6100.513273][ C2] RIP: 0033:0x7f471c970337 [ 6100.513284][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6100.513286][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6100.513290][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6100.513292][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6100.513294][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6100.513297][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6100.513299][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6100.513305][ C2] [ 6124.957470][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3870405 jiffies s: 68525 root: 0x4/. [ 6124.958072][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6124.958279][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6124.958532][ C2] NMI backtrace for cpu 2 [ 6124.958548][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6124.958554][ C2] Tainted: [L]=SOFTLOCKUP [ 6124.958556][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6124.958559][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6124.958573][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6124.958577][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6124.958581][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6124.958584][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6124.958586][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6124.958588][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6124.958590][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6124.958592][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6124.958595][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6124.958599][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6124.958601][ C2] PKRU: 55555554 [ 6124.958602][ C2] Call Trace: [ 6124.958606][ C2] [ 6124.958611][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6124.958618][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6124.958626][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6124.958628][ C2] ? lock_acquire+0x10c/0x170 [ 6124.958633][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6124.958642][ C2] mptcp_try_fallback+0x14b/0x360 [ 6124.958646][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6124.958652][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6124.958655][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6124.958658][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6124.958663][ C2] __mptcp_retrans+0x42a/0x960 [ 6124.958668][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6124.958673][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6124.958683][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6124.958691][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6124.958693][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6124.958696][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6124.958699][ C2] ? lock_acquire+0x10c/0x170 [ 6124.958702][ C2] ? release_sock+0x1f/0x1d0 [ 6124.958709][ C2] release_sock+0x17f/0x1d0 [ 6124.958713][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6124.958721][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6124.958725][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6124.958729][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6124.958736][ C2] ? find_held_lock+0x2b/0x80 [ 6124.958740][ C2] sock_write_iter+0x3c1/0x520 [ 6124.958747][ C2] ? __up_write+0x1ad/0x530 [ 6124.958753][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6124.958759][ C2] ? ksys_write+0xf7/0x1d0 [ 6124.958767][ C2] vfs_write+0xc0c/0x1210 [ 6124.958772][ C2] ? ksys_write+0x137/0x1d0 [ 6124.958774][ C2] ? __lock_release+0x5d/0x170 [ 6124.958778][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6124.958782][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6124.958789][ C2] ksys_write+0x183/0x1d0 [ 6124.958792][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6124.958794][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6124.958803][ C2] do_syscall_64+0xc1/0x380 [ 6124.958808][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6124.958813][ C2] RIP: 0033:0x7f471c970337 [ 6124.958824][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6124.958826][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6124.958829][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6124.958832][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6124.958834][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6124.958836][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6124.958838][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6124.958843][ C2] [ 6150.667323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6150.667874][ C2] rcu: 2-....: (3923005 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1627969 [ 6150.668271][ C2] rcu: (t=3926150 jiffies g=1286133 q=70850 ncpus=4) [ 6150.668517][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6150.668524][ C2] Tainted: [L]=SOFTLOCKUP [ 6150.668526][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6150.668529][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6150.668542][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6150.668545][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6150.668550][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6150.668552][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6150.668554][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6150.668557][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6150.668559][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6150.668561][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6150.668563][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6150.668567][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6150.668570][ C2] PKRU: 55555554 [ 6150.668571][ C2] Call Trace: [ 6150.668572][ C2] [ 6150.668575][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6150.668583][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6150.668588][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6150.668591][ C2] ? lock_acquire+0x10c/0x170 [ 6150.668596][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6150.668604][ C2] mptcp_try_fallback+0x14b/0x360 [ 6150.668608][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6150.668614][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6150.668617][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6150.668620][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6150.668625][ C2] __mptcp_retrans+0x42a/0x960 [ 6150.668631][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6150.668636][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6150.668645][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6150.668653][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6150.668655][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6150.668659][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6150.668661][ C2] ? lock_acquire+0x10c/0x170 [ 6150.668664][ C2] ? release_sock+0x1f/0x1d0 [ 6150.668671][ C2] release_sock+0x17f/0x1d0 [ 6150.668675][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6150.668682][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6150.668686][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6150.668690][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6150.668697][ C2] ? find_held_lock+0x2b/0x80 [ 6150.668701][ C2] sock_write_iter+0x3c1/0x520 [ 6150.668707][ C2] ? __up_write+0x1ad/0x530 [ 6150.668712][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6150.668719][ C2] ? ksys_write+0xf7/0x1d0 [ 6150.668727][ C2] vfs_write+0xc0c/0x1210 [ 6150.668731][ C2] ? ksys_write+0x137/0x1d0 [ 6150.668733][ C2] ? __lock_release+0x5d/0x170 [ 6150.668737][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6150.668741][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6150.668749][ C2] ksys_write+0x183/0x1d0 [ 6150.668752][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6150.668755][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6150.668763][ C2] do_syscall_64+0xc1/0x380 [ 6150.668767][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6150.668771][ C2] RIP: 0033:0x7f471c970337 [ 6150.668782][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6150.668784][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6150.668787][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6150.668789][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6150.668791][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6150.668793][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6150.668796][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6150.668802][ C2] [ 6176.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3681s! [mptcp_connect:16956] [ 6176.512945][ 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 [ 6176.512962][ C2] irq event stamp: 64230 [ 6176.512963][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6176.512976][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6176.512980][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6176.512987][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6176.512995][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6176.513001][ C2] Tainted: [L]=SOFTLOCKUP [ 6176.513003][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6176.513006][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 6176.513014][ 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 [ 6176.513018][ C2] RSP: 0018:ffffc9000029f5b8 EFLAGS: 00000282 [ 6176.513021][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6176.513024][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6176.513026][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6176.513028][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6176.513030][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6176.513032][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6176.513035][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6176.513038][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6176.513040][ C2] PKRU: 55555554 [ 6176.513042][ C2] Call Trace: [ 6176.513045][ C2] [ 6176.513049][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6176.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6176.513062][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6176.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6176.513071][ C2] ? lock_acquire+0x10c/0x170 [ 6176.513075][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6176.513080][ C2] mptcp_try_fallback+0x14b/0x360 [ 6176.513085][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6176.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6176.513094][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6176.513097][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6176.513102][ C2] __mptcp_retrans+0x42a/0x960 [ 6176.513108][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6176.513113][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6176.513122][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6176.513129][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6176.513132][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6176.513135][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6176.513138][ C2] ? lock_acquire+0x10c/0x170 [ 6176.513141][ C2] ? release_sock+0x1f/0x1d0 [ 6176.513148][ C2] release_sock+0x17f/0x1d0 [ 6176.513152][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6176.513160][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6176.513164][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6176.513168][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6176.513176][ C2] ? find_held_lock+0x2b/0x80 [ 6176.513180][ C2] sock_write_iter+0x3c1/0x520 [ 6176.513186][ C2] ? __up_write+0x1ad/0x530 [ 6176.513192][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6176.513198][ C2] ? ksys_write+0xf7/0x1d0 [ 6176.513205][ C2] vfs_write+0xc0c/0x1210 [ 6176.513210][ C2] ? ksys_write+0x137/0x1d0 [ 6176.513212][ C2] ? __lock_release+0x5d/0x170 [ 6176.513216][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6176.513220][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6176.513227][ C2] ksys_write+0x183/0x1d0 [ 6176.513231][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6176.513233][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6176.513241][ C2] do_syscall_64+0xc1/0x380 [ 6176.513246][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6176.513251][ C2] RIP: 0033:0x7f471c970337 [ 6176.513261][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6176.513263][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6176.513266][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6176.513268][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6176.513270][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6176.513272][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6176.513274][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6176.513280][ C2] [ 6204.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3707s! [mptcp_connect:16956] [ 6204.512941][ 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 [ 6204.512957][ C2] irq event stamp: 64230 [ 6204.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6204.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6204.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6204.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6204.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6204.512996][ C2] Tainted: [L]=SOFTLOCKUP [ 6204.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6204.513000][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6204.513005][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6204.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6204.513012][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6204.513014][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6204.513017][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6204.513019][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6204.513021][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6204.513023][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6204.513026][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6204.513030][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6204.513032][ C2] PKRU: 55555554 [ 6204.513034][ C2] Call Trace: [ 6204.513038][ C2] [ 6204.513041][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6204.513049][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6204.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6204.513058][ C2] ? lock_acquire+0x10c/0x170 [ 6204.513063][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6204.513068][ C2] mptcp_try_fallback+0x14b/0x360 [ 6204.513072][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6204.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6204.513081][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6204.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6204.513089][ C2] __mptcp_retrans+0x42a/0x960 [ 6204.513095][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6204.513100][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6204.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6204.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6204.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6204.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6204.513123][ C2] ? lock_acquire+0x10c/0x170 [ 6204.513126][ C2] ? release_sock+0x1f/0x1d0 [ 6204.513133][ C2] release_sock+0x17f/0x1d0 [ 6204.513137][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6204.513144][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6204.513148][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6204.513152][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6204.513159][ C2] ? find_held_lock+0x2b/0x80 [ 6204.513163][ C2] sock_write_iter+0x3c1/0x520 [ 6204.513169][ C2] ? __up_write+0x1ad/0x530 [ 6204.513174][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6204.513180][ C2] ? ksys_write+0xf7/0x1d0 [ 6204.513187][ C2] vfs_write+0xc0c/0x1210 [ 6204.513192][ C2] ? ksys_write+0x137/0x1d0 [ 6204.513194][ C2] ? __lock_release+0x5d/0x170 [ 6204.513198][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6204.513202][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6204.513209][ C2] ksys_write+0x183/0x1d0 [ 6204.513213][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6204.513216][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6204.513223][ C2] do_syscall_64+0xc1/0x380 [ 6204.513228][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6204.513232][ C2] RIP: 0033:0x7f471c970337 [ 6204.513239][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6204.513241][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6204.513245][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6204.513247][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6204.513249][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6204.513251][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6204.513253][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6204.513259][ C2] [ 6223.261341][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3968709 jiffies s: 68525 root: 0x4/. [ 6223.261900][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6223.262095][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6223.262372][ C2] NMI backtrace for cpu 2 [ 6223.262381][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6223.262387][ C2] Tainted: [L]=SOFTLOCKUP [ 6223.262389][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6223.262391][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 6223.262403][ 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 [ 6223.262406][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 6223.262411][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6223.262413][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6223.262415][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6223.262417][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6223.262419][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6223.262421][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6223.262424][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6223.262428][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6223.262430][ C2] PKRU: 55555554 [ 6223.262431][ C2] Call Trace: [ 6223.262434][ C2] [ 6223.262439][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6223.262446][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6223.262453][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6223.262456][ C2] ? lock_acquire+0x10c/0x170 [ 6223.262460][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6223.262468][ C2] mptcp_try_fallback+0x14b/0x360 [ 6223.262472][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6223.262479][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6223.262481][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6223.262485][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6223.262489][ C2] __mptcp_retrans+0x42a/0x960 [ 6223.262496][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6223.262501][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6223.262509][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6223.262517][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6223.262520][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6223.262523][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6223.262526][ C2] ? lock_acquire+0x10c/0x170 [ 6223.262528][ C2] ? release_sock+0x1f/0x1d0 [ 6223.262536][ C2] release_sock+0x17f/0x1d0 [ 6223.262539][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6223.262547][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6223.262551][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6223.262555][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6223.262562][ C2] ? find_held_lock+0x2b/0x80 [ 6223.262566][ C2] sock_write_iter+0x3c1/0x520 [ 6223.262573][ C2] ? __up_write+0x1ad/0x530 [ 6223.262578][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6223.262585][ C2] ? ksys_write+0xf7/0x1d0 [ 6223.262593][ C2] vfs_write+0xc0c/0x1210 [ 6223.262598][ C2] ? ksys_write+0x137/0x1d0 [ 6223.262600][ C2] ? __lock_release+0x5d/0x170 [ 6223.262604][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6223.262608][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6223.262615][ C2] ksys_write+0x183/0x1d0 [ 6223.262619][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6223.262622][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6223.262630][ C2] do_syscall_64+0xc1/0x380 [ 6223.262635][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6223.262639][ C2] RIP: 0033:0x7f471c970337 [ 6223.262648][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6223.262650][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6223.262653][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6223.262655][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6223.262658][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6223.262660][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6223.262662][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6223.262668][ C2] [ 6228.670331][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6228.670811][ C2] rcu: 2-....: (4000944 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1665904 [ 6228.671199][ C2] rcu: (t=4004153 jiffies g=1286133 q=72198 ncpus=4) [ 6228.671466][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6228.671472][ C2] Tainted: [L]=SOFTLOCKUP [ 6228.671473][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6228.671476][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6228.671485][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6228.671488][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6228.671492][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6228.671494][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6228.671496][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6228.671498][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6228.671500][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6228.671502][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6228.671504][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6228.671508][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6228.671510][ C2] PKRU: 55555554 [ 6228.671511][ C2] Call Trace: [ 6228.671513][ C2] [ 6228.671515][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6228.671522][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6228.671527][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6228.671530][ C2] ? lock_acquire+0x10c/0x170 [ 6228.671534][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6228.671540][ C2] mptcp_try_fallback+0x14b/0x360 [ 6228.671544][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6228.671550][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6228.671552][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6228.671555][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6228.671560][ C2] __mptcp_retrans+0x42a/0x960 [ 6228.671566][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6228.671571][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6228.671577][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6228.671585][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6228.671587][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6228.671590][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6228.671593][ C2] ? lock_acquire+0x10c/0x170 [ 6228.671596][ C2] ? release_sock+0x1f/0x1d0 [ 6228.671601][ C2] release_sock+0x17f/0x1d0 [ 6228.671604][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6228.671611][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6228.671615][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6228.671619][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6228.671624][ C2] ? find_held_lock+0x2b/0x80 [ 6228.671629][ C2] sock_write_iter+0x3c1/0x520 [ 6228.671634][ C2] ? __up_write+0x1ad/0x530 [ 6228.671638][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6228.671645][ C2] ? ksys_write+0xf7/0x1d0 [ 6228.671651][ C2] vfs_write+0xc0c/0x1210 [ 6228.671655][ C2] ? ksys_write+0x137/0x1d0 [ 6228.671657][ C2] ? __lock_release+0x5d/0x170 [ 6228.671661][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6228.671664][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6228.671672][ C2] ksys_write+0x183/0x1d0 [ 6228.671675][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6228.671677][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6228.671684][ C2] do_syscall_64+0xc1/0x380 [ 6228.671688][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6228.671691][ C2] RIP: 0033:0x7f471c970337 [ 6228.671698][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6228.671700][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6228.671703][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6228.671705][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6228.671707][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6228.671709][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6228.671711][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6228.671717][ C2] [ 6256.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3755s! [mptcp_connect:16956] [ 6256.512940][ 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 [ 6256.512957][ C2] irq event stamp: 64230 [ 6256.512958][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6256.512967][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6256.512972][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6256.512977][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6256.512983][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6256.512989][ C2] Tainted: [L]=SOFTLOCKUP [ 6256.512991][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6256.512993][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6256.512998][ 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 [ 6256.513001][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6256.513004][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6256.513007][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6256.513009][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6256.513011][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6256.513013][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6256.513015][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6256.513018][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6256.513022][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6256.513025][ C2] PKRU: 55555554 [ 6256.513026][ C2] Call Trace: [ 6256.513029][ C2] [ 6256.513032][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6256.513040][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6256.513045][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6256.513048][ C2] ? lock_acquire+0x10c/0x170 [ 6256.513052][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6256.513057][ C2] mptcp_try_fallback+0x14b/0x360 [ 6256.513061][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6256.513067][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6256.513070][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6256.513073][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6256.513078][ C2] __mptcp_retrans+0x42a/0x960 [ 6256.513083][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6256.513089][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6256.513095][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6256.513102][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6256.513105][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6256.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6256.513111][ C2] ? lock_acquire+0x10c/0x170 [ 6256.513114][ C2] ? release_sock+0x1f/0x1d0 [ 6256.513120][ C2] release_sock+0x17f/0x1d0 [ 6256.513124][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6256.513132][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6256.513136][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6256.513140][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6256.513145][ C2] ? find_held_lock+0x2b/0x80 [ 6256.513149][ C2] sock_write_iter+0x3c1/0x520 [ 6256.513155][ C2] ? __up_write+0x1ad/0x530 [ 6256.513160][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6256.513166][ C2] ? ksys_write+0xf7/0x1d0 [ 6256.513173][ C2] vfs_write+0xc0c/0x1210 [ 6256.513176][ C2] ? ksys_write+0x137/0x1d0 [ 6256.513179][ C2] ? __lock_release+0x5d/0x170 [ 6256.513183][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6256.513187][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6256.513195][ C2] ksys_write+0x183/0x1d0 [ 6256.513198][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6256.513201][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6256.513207][ C2] do_syscall_64+0xc1/0x380 [ 6256.513212][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6256.513215][ C2] RIP: 0033:0x7f471c970337 [ 6256.513222][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6256.513223][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6256.513226][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6256.513228][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6256.513230][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6256.513232][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6256.513234][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6256.513240][ C2] [ 6284.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3781s! [mptcp_connect:16956] [ 6284.512941][ 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 [ 6284.512956][ C2] irq event stamp: 64230 [ 6284.512957][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6284.512966][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6284.512970][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6284.512976][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6284.512983][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6284.512988][ C2] Tainted: [L]=SOFTLOCKUP [ 6284.512990][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6284.512992][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6284.512997][ 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 [ 6284.513000][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6284.513003][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6284.513006][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6284.513008][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6284.513010][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6284.513012][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6284.513015][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6284.513018][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6284.513022][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6284.513024][ C2] PKRU: 55555554 [ 6284.513025][ C2] Call Trace: [ 6284.513028][ C2] [ 6284.513031][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6284.513038][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6284.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6284.513046][ C2] ? lock_acquire+0x10c/0x170 [ 6284.513050][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6284.513055][ C2] mptcp_try_fallback+0x14b/0x360 [ 6284.513060][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6284.513066][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6284.513069][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6284.513071][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6284.513076][ C2] __mptcp_retrans+0x42a/0x960 [ 6284.513082][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6284.513087][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6284.513094][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6284.513101][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6284.513104][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6284.513107][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6284.513110][ C2] ? lock_acquire+0x10c/0x170 [ 6284.513113][ C2] ? release_sock+0x1f/0x1d0 [ 6284.513119][ C2] release_sock+0x17f/0x1d0 [ 6284.513123][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6284.513130][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6284.513134][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6284.513137][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6284.513143][ C2] ? find_held_lock+0x2b/0x80 [ 6284.513147][ C2] sock_write_iter+0x3c1/0x520 [ 6284.513152][ C2] ? __up_write+0x1ad/0x530 [ 6284.513157][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6284.513164][ C2] ? ksys_write+0xf7/0x1d0 [ 6284.513170][ C2] vfs_write+0xc0c/0x1210 [ 6284.513174][ C2] ? ksys_write+0x137/0x1d0 [ 6284.513176][ C2] ? __lock_release+0x5d/0x170 [ 6284.513180][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6284.513184][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6284.513192][ C2] ksys_write+0x183/0x1d0 [ 6284.513195][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6284.513198][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6284.513204][ C2] do_syscall_64+0xc1/0x380 [ 6284.513208][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6284.513212][ C2] RIP: 0033:0x7f471c970337 [ 6284.513218][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6284.513219][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6284.513223][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6284.513225][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6284.513227][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6284.513229][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6284.513231][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6284.513237][ C2] [ 6306.673324][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6306.673869][ C2] rcu: 2-....: (4078897 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1703668 [ 6306.674274][ C2] rcu: (t=4082156 jiffies g=1286133 q=73227 ncpus=4) [ 6306.674527][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6306.674534][ C2] Tainted: [L]=SOFTLOCKUP [ 6306.674536][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6306.674538][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6306.674551][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6306.674555][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6306.674559][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6306.674562][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6306.674564][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6306.674566][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6306.674568][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6306.674571][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6306.674574][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6306.674577][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6306.674579][ C2] PKRU: 55555554 [ 6306.674581][ C2] Call Trace: [ 6306.674582][ C2] [ 6306.674585][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6306.674593][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6306.674599][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6306.674602][ C2] ? lock_acquire+0x10c/0x170 [ 6306.674607][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6306.674615][ C2] mptcp_try_fallback+0x14b/0x360 [ 6306.674619][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6306.674625][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6306.674628][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6306.674631][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6306.674636][ C2] __mptcp_retrans+0x42a/0x960 [ 6306.674642][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6306.674647][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6306.674657][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6306.674664][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6306.674667][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6306.674671][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6306.674674][ C2] ? lock_acquire+0x10c/0x170 [ 6306.674677][ C2] ? release_sock+0x1f/0x1d0 [ 6306.674684][ C2] release_sock+0x17f/0x1d0 [ 6306.674688][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6306.674695][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6306.674699][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6306.674703][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6306.674710][ C2] ? find_held_lock+0x2b/0x80 [ 6306.674714][ C2] sock_write_iter+0x3c1/0x520 [ 6306.674721][ C2] ? __up_write+0x1ad/0x530 [ 6306.674726][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6306.674733][ C2] ? ksys_write+0xf7/0x1d0 [ 6306.674741][ C2] vfs_write+0xc0c/0x1210 [ 6306.674744][ C2] ? ksys_write+0x137/0x1d0 [ 6306.674747][ C2] ? __lock_release+0x5d/0x170 [ 6306.674751][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6306.674755][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6306.674762][ C2] ksys_write+0x183/0x1d0 [ 6306.674765][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6306.674768][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6306.674776][ C2] do_syscall_64+0xc1/0x380 [ 6306.674780][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6306.674784][ C2] RIP: 0033:0x7f471c970337 [ 6306.674794][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6306.674796][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6306.674799][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6306.674801][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6306.674804][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6306.674805][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6306.674807][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6306.674814][ C2] [ 6321.565340][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4067013 jiffies s: 68525 root: 0x4/. [ 6321.565852][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6321.566160][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6321.566348][ C2] NMI backtrace for cpu 2 [ 6321.566359][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6321.566366][ C2] Tainted: [L]=SOFTLOCKUP [ 6321.566367][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6321.566370][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6321.566382][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6321.566386][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6321.566390][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6321.566392][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6321.566395][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6321.566397][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6321.566399][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6321.566401][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6321.566404][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6321.566408][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6321.566410][ C2] PKRU: 55555554 [ 6321.566412][ C2] Call Trace: [ 6321.566415][ C2] [ 6321.566420][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6321.566428][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6321.566435][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6321.566438][ C2] ? lock_acquire+0x10c/0x170 [ 6321.566442][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6321.566449][ C2] mptcp_try_fallback+0x14b/0x360 [ 6321.566454][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6321.566460][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6321.566463][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6321.566467][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6321.566472][ C2] __mptcp_retrans+0x42a/0x960 [ 6321.566478][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6321.566483][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6321.566493][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6321.566501][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6321.566504][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6321.566507][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6321.566510][ C2] ? lock_acquire+0x10c/0x170 [ 6321.566513][ C2] ? release_sock+0x1f/0x1d0 [ 6321.566520][ C2] release_sock+0x17f/0x1d0 [ 6321.566525][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6321.566533][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6321.566537][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6321.566541][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6321.566549][ C2] ? find_held_lock+0x2b/0x80 [ 6321.566553][ C2] sock_write_iter+0x3c1/0x520 [ 6321.566560][ C2] ? __up_write+0x1ad/0x530 [ 6321.566565][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6321.566572][ C2] ? ksys_write+0xf7/0x1d0 [ 6321.566580][ C2] vfs_write+0xc0c/0x1210 [ 6321.566584][ C2] ? ksys_write+0x137/0x1d0 [ 6321.566587][ C2] ? __lock_release+0x5d/0x170 [ 6321.566591][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6321.566595][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6321.566602][ C2] ksys_write+0x183/0x1d0 [ 6321.566606][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6321.566608][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6321.566616][ C2] do_syscall_64+0xc1/0x380 [ 6321.566620][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6321.566625][ C2] RIP: 0033:0x7f471c970337 [ 6321.566636][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6321.566638][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6321.566641][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6321.566643][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6321.566646][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6321.566648][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6321.566650][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6321.566656][ C2] [ 6348.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3841s! [mptcp_connect:16956] [ 6348.512951][ 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 [ 6348.512971][ C2] irq event stamp: 64230 [ 6348.512973][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6348.512988][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6348.512993][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6348.513001][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6348.513011][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6348.513018][ C2] Tainted: [L]=SOFTLOCKUP [ 6348.513020][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6348.513023][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6348.513028][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6348.513032][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6348.513035][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6348.513038][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6348.513040][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6348.513043][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6348.513045][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6348.513047][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6348.513050][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6348.513055][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6348.513057][ C2] PKRU: 55555554 [ 6348.513058][ C2] Call Trace: [ 6348.513063][ C2] [ 6348.513068][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6348.513076][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6348.513083][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6348.513086][ C2] ? lock_acquire+0x10c/0x170 [ 6348.513091][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6348.513096][ C2] mptcp_try_fallback+0x14b/0x360 [ 6348.513101][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6348.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6348.513111][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6348.513114][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6348.513119][ C2] __mptcp_retrans+0x42a/0x960 [ 6348.513125][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6348.513131][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6348.513140][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6348.513149][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6348.513152][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6348.513155][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6348.513158][ C2] ? lock_acquire+0x10c/0x170 [ 6348.513161][ C2] ? release_sock+0x1f/0x1d0 [ 6348.513169][ C2] release_sock+0x17f/0x1d0 [ 6348.513174][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6348.513182][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6348.513186][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6348.513190][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6348.513197][ C2] ? find_held_lock+0x2b/0x80 [ 6348.513202][ C2] sock_write_iter+0x3c1/0x520 [ 6348.513209][ C2] ? __up_write+0x1ad/0x530 [ 6348.513215][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6348.513222][ C2] ? ksys_write+0xf7/0x1d0 [ 6348.513231][ C2] vfs_write+0xc0c/0x1210 [ 6348.513235][ C2] ? ksys_write+0x137/0x1d0 [ 6348.513238][ C2] ? __lock_release+0x5d/0x170 [ 6348.513242][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6348.513246][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6348.513254][ C2] ksys_write+0x183/0x1d0 [ 6348.513258][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6348.513261][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6348.513269][ C2] do_syscall_64+0xc1/0x380 [ 6348.513274][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6348.513280][ C2] RIP: 0033:0x7f471c970337 [ 6348.513292][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6348.513294][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6348.513297][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6348.513299][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6348.513302][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6348.513304][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6348.513306][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6348.513312][ C2] [ 6376.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3867s! [mptcp_connect:16956] [ 6376.512951][ 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 [ 6376.512969][ C2] irq event stamp: 64230 [ 6376.512971][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6376.512985][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6376.512990][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6376.512998][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6376.513007][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6376.513013][ C2] Tainted: [L]=SOFTLOCKUP [ 6376.513015][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6376.513018][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6376.513024][ 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 [ 6376.513028][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6376.513032][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6376.513034][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6376.513036][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6376.513038][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6376.513041][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6376.513043][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6376.513046][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6376.513050][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6376.513053][ C2] PKRU: 55555554 [ 6376.513055][ C2] Call Trace: [ 6376.513059][ C2] [ 6376.513064][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6376.513072][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6376.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6376.513082][ C2] ? lock_acquire+0x10c/0x170 [ 6376.513087][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6376.513092][ C2] mptcp_try_fallback+0x14b/0x360 [ 6376.513097][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6376.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6376.513107][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6376.513110][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6376.513115][ C2] __mptcp_retrans+0x42a/0x960 [ 6376.513121][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6376.513127][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6376.513136][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6376.513144][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6376.513147][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6376.513150][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6376.513153][ C2] ? lock_acquire+0x10c/0x170 [ 6376.513156][ C2] ? release_sock+0x1f/0x1d0 [ 6376.513164][ C2] release_sock+0x17f/0x1d0 [ 6376.513168][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6376.513176][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6376.513180][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6376.513184][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6376.513192][ C2] ? find_held_lock+0x2b/0x80 [ 6376.513196][ C2] sock_write_iter+0x3c1/0x520 [ 6376.513203][ C2] ? __up_write+0x1ad/0x530 [ 6376.513208][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6376.513216][ C2] ? ksys_write+0xf7/0x1d0 [ 6376.513224][ C2] vfs_write+0xc0c/0x1210 [ 6376.513228][ C2] ? ksys_write+0x137/0x1d0 [ 6376.513231][ C2] ? __lock_release+0x5d/0x170 [ 6376.513235][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6376.513239][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6376.513247][ C2] ksys_write+0x183/0x1d0 [ 6376.513251][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6376.513253][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6376.513261][ C2] do_syscall_64+0xc1/0x380 [ 6376.513267][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6376.513271][ C2] RIP: 0033:0x7f471c970337 [ 6376.513284][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6376.513286][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6376.513289][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6376.513292][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6376.513294][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6376.513296][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6376.513298][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6376.513304][ C2] [ 6384.676323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6384.676915][ C2] rcu: 2-....: (4156830 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1742483 [ 6384.677443][ C2] rcu: (t=4160159 jiffies g=1286133 q=74572 ncpus=4) [ 6384.677769][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6384.677776][ C2] Tainted: [L]=SOFTLOCKUP [ 6384.677778][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6384.677781][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6384.677795][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6384.677799][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6384.677804][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6384.677806][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6384.677808][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6384.677811][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6384.677813][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6384.677815][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6384.677818][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6384.677822][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6384.677824][ C2] PKRU: 55555554 [ 6384.677826][ C2] Call Trace: [ 6384.677827][ C2] [ 6384.677830][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6384.677838][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6384.677845][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6384.677847][ C2] ? lock_acquire+0x10c/0x170 [ 6384.677852][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6384.677861][ C2] mptcp_try_fallback+0x14b/0x360 [ 6384.677865][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6384.677872][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6384.677875][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6384.677877][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6384.677883][ C2] __mptcp_retrans+0x42a/0x960 [ 6384.677889][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6384.677894][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6384.677903][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6384.677911][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6384.677914][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6384.677917][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6384.677920][ C2] ? lock_acquire+0x10c/0x170 [ 6384.677923][ C2] ? release_sock+0x1f/0x1d0 [ 6384.677932][ C2] release_sock+0x17f/0x1d0 [ 6384.677935][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6384.677943][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6384.677947][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6384.677951][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6384.677958][ C2] ? find_held_lock+0x2b/0x80 [ 6384.677963][ C2] sock_write_iter+0x3c1/0x520 [ 6384.677969][ C2] ? __up_write+0x1ad/0x530 [ 6384.677975][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6384.677982][ C2] ? ksys_write+0xf7/0x1d0 [ 6384.677991][ C2] vfs_write+0xc0c/0x1210 [ 6384.677994][ C2] ? ksys_write+0x137/0x1d0 [ 6384.677997][ C2] ? __lock_release+0x5d/0x170 [ 6384.678001][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6384.678005][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6384.678012][ C2] ksys_write+0x183/0x1d0 [ 6384.678015][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6384.678018][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6384.678026][ C2] do_syscall_64+0xc1/0x380 [ 6384.678031][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6384.678035][ C2] RIP: 0033:0x7f471c970337 [ 6384.678046][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6384.678048][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6384.678052][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6384.678054][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6384.678056][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6384.678058][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6384.678060][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6384.678066][ C2] [ 6412.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3901s! [mptcp_connect:16956] [ 6412.512950][ 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 [ 6412.512969][ C2] irq event stamp: 64230 [ 6412.512972][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6412.512986][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6412.512992][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6412.513000][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6412.513009][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6412.513016][ C2] Tainted: [L]=SOFTLOCKUP [ 6412.513018][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6412.513020][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6412.513026][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6412.513030][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6412.513033][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6412.513036][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6412.513038][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6412.513041][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6412.513043][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6412.513046][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6412.513049][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6412.513053][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6412.513056][ C2] PKRU: 55555554 [ 6412.513057][ C2] Call Trace: [ 6412.513062][ C2] [ 6412.513067][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6412.513076][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6412.513083][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6412.513086][ C2] ? lock_acquire+0x10c/0x170 [ 6412.513092][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6412.513097][ C2] mptcp_try_fallback+0x14b/0x360 [ 6412.513102][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6412.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6412.513112][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6412.513115][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6412.513120][ C2] __mptcp_retrans+0x42a/0x960 [ 6412.513126][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6412.513132][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6412.513141][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6412.513149][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6412.513152][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6412.513155][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6412.513158][ C2] ? lock_acquire+0x10c/0x170 [ 6412.513161][ C2] ? release_sock+0x1f/0x1d0 [ 6412.513169][ C2] release_sock+0x17f/0x1d0 [ 6412.513174][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6412.513182][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6412.513186][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6412.513190][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6412.513198][ C2] ? find_held_lock+0x2b/0x80 [ 6412.513202][ C2] sock_write_iter+0x3c1/0x520 [ 6412.513210][ C2] ? __up_write+0x1ad/0x530 [ 6412.513215][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6412.513223][ C2] ? ksys_write+0xf7/0x1d0 [ 6412.513231][ C2] vfs_write+0xc0c/0x1210 [ 6412.513235][ C2] ? ksys_write+0x137/0x1d0 [ 6412.513238][ C2] ? __lock_release+0x5d/0x170 [ 6412.513242][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6412.513246][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6412.513254][ C2] ksys_write+0x183/0x1d0 [ 6412.513257][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6412.513260][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6412.513268][ C2] do_syscall_64+0xc1/0x380 [ 6412.513274][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6412.513283][ C2] RIP: 0033:0x7f471c970337 [ 6412.513296][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6412.513298][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6412.513301][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6412.513304][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6412.513306][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6412.513308][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6412.513310][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6412.513316][ C2] [ 6419.870341][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4165318 jiffies s: 68525 root: 0x4/. [ 6419.870931][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6419.871345][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6419.871595][ C2] NMI backtrace for cpu 2 [ 6419.871606][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6419.871613][ C2] Tainted: [L]=SOFTLOCKUP [ 6419.871615][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6419.871618][ C2] RIP: 0010:vm_interrupt+0x49/0x160 [ 6419.871630][ 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 [ 6419.871634][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [ 6419.871639][ C2] RAX: ffffc9000002ec00 RBX: ffff88800625b800 RCX: ffffffffa0423c21 [ 6419.871641][ C2] RDX: 1ffff11000c4b7a5 RSI: ffff88800625b800 RDI: ffff88800625bd28 [ 6419.871644][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff490a2fa [ 6419.871646][ C2] R10: ffffffffa48517d7 R11: ffffc90000218ff8 R12: ffff88800293e400 [ 6419.871648][ C2] R13: 0000000000000001 R14: ffffffffa14624b0 R15: ffff8880062eab00 [ 6419.871650][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6419.871653][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6419.871657][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6419.871659][ C2] PKRU: 55555554 [ 6419.871660][ C2] Call Trace: [ 6419.871664][ C2] [ 6419.871666][ C2] ? rcu_is_watching+0x12/0xc0 [ 6419.871678][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 6419.871681][ C2] __handle_irq_event_percpu+0x190/0x310 [ 6419.871689][ C2] handle_irq_event+0xaa/0x1c0 [ 6419.871693][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 6419.871699][ C2] __common_interrupt+0xad/0x1d0 [ 6419.871708][ C2] common_interrupt+0xb9/0xe0 [ 6419.871715][ C2] [ 6419.871717][ C2] [ 6419.871719][ C2] asm_common_interrupt+0x26/0x40 [ 6419.871725][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6419.871732][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6419.871735][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6419.871738][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6419.871740][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6419.871742][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6419.871744][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6419.871746][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6419.871750][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 6419.871757][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6419.871764][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6419.871769][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6419.871772][ C2] ? lock_acquire+0x10c/0x170 [ 6419.871777][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6419.871786][ C2] mptcp_try_fallback+0x14b/0x360 [ 6419.871790][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6419.871798][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6419.871801][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6419.871804][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6419.871809][ C2] __mptcp_retrans+0x42a/0x960 [ 6419.871815][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6419.871820][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6419.871829][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6419.871837][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6419.871839][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6419.871843][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6419.871845][ C2] ? lock_acquire+0x10c/0x170 [ 6419.871848][ C2] ? release_sock+0x1f/0x1d0 [ 6419.871856][ C2] release_sock+0x17f/0x1d0 [ 6419.871860][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6419.871868][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6419.871872][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6419.871876][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6419.871883][ C2] ? find_held_lock+0x2b/0x80 [ 6419.871887][ C2] sock_write_iter+0x3c1/0x520 [ 6419.871894][ C2] ? __up_write+0x1ad/0x530 [ 6419.871900][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6419.871906][ C2] ? ksys_write+0xf7/0x1d0 [ 6419.871915][ C2] vfs_write+0xc0c/0x1210 [ 6419.871918][ C2] ? ksys_write+0x137/0x1d0 [ 6419.871921][ C2] ? __lock_release+0x5d/0x170 [ 6419.871925][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6419.871929][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6419.871936][ C2] ksys_write+0x183/0x1d0 [ 6419.871940][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6419.871943][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6419.871951][ C2] do_syscall_64+0xc1/0x380 [ 6419.871954][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6419.871958][ C2] RIP: 0033:0x7f471c970337 [ 6419.871969][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6419.871971][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6419.871975][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6419.871977][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6419.871979][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6419.871982][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6419.871984][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6419.871990][ C2] [ 6444.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3930s! [mptcp_connect:16956] [ 6444.512949][ 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 [ 6444.512969][ C2] irq event stamp: 64230 [ 6444.512971][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6444.512986][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6444.512991][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6444.512999][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6444.513009][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6444.513015][ C2] Tainted: [L]=SOFTLOCKUP [ 6444.513017][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6444.513020][ C2] RIP: 0010:kasan_check_range+0x66/0x1c0 [ 6444.513029][ 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 [ 6444.513033][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000212 [ 6444.513036][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6444.513043][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6444.513045][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6444.513048][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6444.513050][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6444.513052][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6444.513055][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6444.513060][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6444.513062][ C2] PKRU: 55555554 [ 6444.513063][ C2] Call Trace: [ 6444.513068][ C2] [ 6444.513081][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6444.513089][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6444.513096][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6444.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6444.513105][ C2] ? lock_acquire+0x10c/0x170 [ 6444.513110][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6444.513115][ C2] mptcp_try_fallback+0x14b/0x360 [ 6444.513120][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6444.513127][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6444.513130][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6444.513133][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6444.513138][ C2] __mptcp_retrans+0x42a/0x960 [ 6444.513145][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6444.513150][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6444.513160][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6444.513168][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6444.513171][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6444.513174][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6444.513177][ C2] ? lock_acquire+0x10c/0x170 [ 6444.513180][ C2] ? release_sock+0x1f/0x1d0 [ 6444.513188][ C2] release_sock+0x17f/0x1d0 [ 6444.513193][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6444.513201][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6444.513204][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6444.513209][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6444.513217][ C2] ? find_held_lock+0x2b/0x80 [ 6444.513221][ C2] sock_write_iter+0x3c1/0x520 [ 6444.513229][ C2] ? __up_write+0x1ad/0x530 [ 6444.513235][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6444.513242][ C2] ? ksys_write+0xf7/0x1d0 [ 6444.513250][ C2] vfs_write+0xc0c/0x1210 [ 6444.513254][ C2] ? ksys_write+0x137/0x1d0 [ 6444.513256][ C2] ? __lock_release+0x5d/0x170 [ 6444.513261][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6444.513265][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6444.513272][ C2] ksys_write+0x183/0x1d0 [ 6444.513276][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6444.513279][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6444.513288][ C2] do_syscall_64+0xc1/0x380 [ 6444.513293][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6444.513299][ C2] RIP: 0033:0x7f471c970337 [ 6444.513310][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6444.513312][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6444.513315][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6444.513318][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6444.513320][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6444.513322][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6444.513324][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6444.513331][ C2] [ 6462.679323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6462.679728][ C2] rcu: 2-....: (4234755 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1781212 [ 6462.680240][ C2] rcu: (t=4238162 jiffies g=1286133 q=76013 ncpus=4) [ 6462.680496][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6462.680502][ C2] Tainted: [L]=SOFTLOCKUP [ 6462.680504][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6462.680507][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 6462.680520][ 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 [ 6462.680523][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6462.680528][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6462.680530][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6462.680532][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6462.680535][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6462.680537][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6462.680539][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6462.680541][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6462.680545][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6462.680548][ C2] PKRU: 55555554 [ 6462.680549][ C2] Call Trace: [ 6462.680551][ C2] [ 6462.680553][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6462.680562][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6462.680568][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6462.680571][ C2] ? lock_acquire+0x10c/0x170 [ 6462.680576][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6462.680584][ C2] mptcp_try_fallback+0x14b/0x360 [ 6462.680588][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6462.680594][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6462.680597][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6462.680600][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6462.680605][ C2] __mptcp_retrans+0x42a/0x960 [ 6462.680611][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6462.680616][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6462.680625][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6462.680633][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6462.680635][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6462.680639][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6462.680641][ C2] ? lock_acquire+0x10c/0x170 [ 6462.680644][ C2] ? release_sock+0x1f/0x1d0 [ 6462.680651][ C2] release_sock+0x17f/0x1d0 [ 6462.680654][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6462.680661][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6462.680665][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6462.680669][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6462.680676][ C2] ? find_held_lock+0x2b/0x80 [ 6462.680680][ C2] sock_write_iter+0x3c1/0x520 [ 6462.680686][ C2] ? __up_write+0x1ad/0x530 [ 6462.680691][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6462.680697][ C2] ? ksys_write+0xf7/0x1d0 [ 6462.680705][ C2] vfs_write+0xc0c/0x1210 [ 6462.680708][ C2] ? ksys_write+0x137/0x1d0 [ 6462.680711][ C2] ? __lock_release+0x5d/0x170 [ 6462.680715][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6462.680718][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6462.680726][ C2] ksys_write+0x183/0x1d0 [ 6462.680729][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6462.680732][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6462.680740][ C2] do_syscall_64+0xc1/0x380 [ 6462.680745][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6462.680749][ C2] RIP: 0033:0x7f471c970337 [ 6462.680760][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6462.680761][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6462.680765][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6462.680767][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6462.680769][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6462.680771][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6462.680773][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6462.680780][ C2] [ 6488.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3971s! [mptcp_connect:16956] [ 6488.512940][ 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 [ 6488.512957][ C2] irq event stamp: 64230 [ 6488.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6488.512970][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6488.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6488.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6488.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6488.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 6488.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6488.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6488.513004][ 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 [ 6488.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6488.513012][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6488.513014][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6488.513017][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6488.513019][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6488.513021][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6488.513024][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6488.513026][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6488.513030][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6488.513033][ C2] PKRU: 55555554 [ 6488.513034][ C2] Call Trace: [ 6488.513037][ C2] [ 6488.513041][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6488.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6488.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6488.513057][ C2] ? lock_acquire+0x10c/0x170 [ 6488.513062][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6488.513067][ C2] mptcp_try_fallback+0x14b/0x360 [ 6488.513071][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6488.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6488.513082][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6488.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6488.513089][ C2] __mptcp_retrans+0x42a/0x960 [ 6488.513096][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6488.513101][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6488.513108][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6488.513116][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6488.513119][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6488.513122][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6488.513125][ C2] ? lock_acquire+0x10c/0x170 [ 6488.513128][ C2] ? release_sock+0x1f/0x1d0 [ 6488.513135][ C2] release_sock+0x17f/0x1d0 [ 6488.513139][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6488.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6488.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6488.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6488.513160][ C2] ? find_held_lock+0x2b/0x80 [ 6488.513164][ C2] sock_write_iter+0x3c1/0x520 [ 6488.513170][ C2] ? __up_write+0x1ad/0x530 [ 6488.513175][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6488.513182][ C2] ? ksys_write+0xf7/0x1d0 [ 6488.513189][ C2] vfs_write+0xc0c/0x1210 [ 6488.513193][ C2] ? ksys_write+0x137/0x1d0 [ 6488.513196][ C2] ? __lock_release+0x5d/0x170 [ 6488.513200][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6488.513204][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6488.513211][ C2] ksys_write+0x183/0x1d0 [ 6488.513215][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6488.513217][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6488.513225][ C2] do_syscall_64+0xc1/0x380 [ 6488.513229][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6488.513233][ C2] RIP: 0033:0x7f471c970337 [ 6488.513241][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6488.513242][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6488.513245][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6488.513248][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6488.513250][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6488.513252][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6488.513254][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6488.513260][ C2] [ 6516.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 3997s! [mptcp_connect:16956] [ 6516.512938][ 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 [ 6516.512951][ C2] irq event stamp: 64230 [ 6516.512953][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6516.512961][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6516.512965][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6516.512970][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6516.512975][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6516.512981][ C2] Tainted: [L]=SOFTLOCKUP [ 6516.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6516.512984][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6516.512989][ 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 [ 6516.512992][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6516.512995][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6516.512998][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6516.513000][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6516.513002][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6516.513004][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6516.513006][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6516.513009][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6516.513013][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6516.513016][ C2] PKRU: 55555554 [ 6516.513017][ C2] Call Trace: [ 6516.513019][ C2] [ 6516.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6516.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6516.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6516.513037][ C2] ? lock_acquire+0x10c/0x170 [ 6516.513042][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6516.513047][ C2] mptcp_try_fallback+0x14b/0x360 [ 6516.513051][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6516.513057][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6516.513060][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6516.513063][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6516.513068][ C2] __mptcp_retrans+0x42a/0x960 [ 6516.513074][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6516.513079][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6516.513085][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6516.513091][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6516.513094][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6516.513098][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6516.513100][ C2] ? lock_acquire+0x10c/0x170 [ 6516.513103][ C2] ? release_sock+0x1f/0x1d0 [ 6516.513109][ C2] release_sock+0x17f/0x1d0 [ 6516.513112][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6516.513120][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6516.513123][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6516.513128][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6516.513133][ C2] ? find_held_lock+0x2b/0x80 [ 6516.513137][ C2] sock_write_iter+0x3c1/0x520 [ 6516.513141][ C2] ? __up_write+0x1ad/0x530 [ 6516.513146][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6516.513152][ C2] ? ksys_write+0xf7/0x1d0 [ 6516.513158][ C2] vfs_write+0xc0c/0x1210 [ 6516.513162][ C2] ? ksys_write+0x137/0x1d0 [ 6516.513165][ C2] ? __lock_release+0x5d/0x170 [ 6516.513169][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6516.513172][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6516.513179][ C2] ksys_write+0x183/0x1d0 [ 6516.513183][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6516.513186][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6516.513192][ C2] do_syscall_64+0xc1/0x380 [ 6516.513195][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6516.513199][ C2] RIP: 0033:0x7f471c970337 [ 6516.513204][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6516.513205][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6516.513208][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6516.513211][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6516.513213][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6516.513215][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6516.513217][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6516.513223][ C2] [ 6518.174338][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4263622 jiffies s: 68525 root: 0x4/. [ 6518.174813][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6518.175093][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6518.175261][ C2] NMI backtrace for cpu 2 [ 6518.175265][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6518.175270][ C2] Tainted: [L]=SOFTLOCKUP [ 6518.175272][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6518.175274][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6518.175281][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6518.175284][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6518.175287][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6518.175289][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6518.175291][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6518.175293][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6518.175295][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6518.175297][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6518.175300][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6518.175303][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6518.175305][ C2] PKRU: 55555554 [ 6518.175307][ C2] Call Trace: [ 6518.175308][ C2] [ 6518.175311][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6518.175319][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6518.175323][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6518.175326][ C2] ? lock_acquire+0x10c/0x170 [ 6518.175329][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6518.175335][ C2] mptcp_try_fallback+0x14b/0x360 [ 6518.175339][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6518.175345][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6518.175347][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6518.175350][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6518.175355][ C2] __mptcp_retrans+0x42a/0x960 [ 6518.175361][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6518.175366][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6518.175371][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6518.175378][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6518.175381][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6518.175384][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6518.175387][ C2] ? lock_acquire+0x10c/0x170 [ 6518.175390][ C2] ? release_sock+0x1f/0x1d0 [ 6518.175395][ C2] release_sock+0x17f/0x1d0 [ 6518.175399][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6518.175406][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6518.175410][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6518.175414][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6518.175418][ C2] ? find_held_lock+0x2b/0x80 [ 6518.175422][ C2] sock_write_iter+0x3c1/0x520 [ 6518.175426][ C2] ? __up_write+0x1ad/0x530 [ 6518.175430][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6518.175437][ C2] ? ksys_write+0xf7/0x1d0 [ 6518.175442][ C2] vfs_write+0xc0c/0x1210 [ 6518.175446][ C2] ? ksys_write+0x137/0x1d0 [ 6518.175448][ C2] ? __lock_release+0x5d/0x170 [ 6518.175452][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6518.175456][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6518.175462][ C2] ksys_write+0x183/0x1d0 [ 6518.175466][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6518.175468][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6518.175474][ C2] do_syscall_64+0xc1/0x380 [ 6518.175478][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6518.175481][ C2] RIP: 0033:0x7f471c970337 [ 6518.175485][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6518.175487][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6518.175490][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6518.175492][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6518.175494][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6518.175496][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6518.175498][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6518.175504][ C2] [ 6540.682321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6540.682734][ C2] rcu: 2-....: (4312694 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1818122 [ 6540.683252][ C2] rcu: (t=4316165 jiffies g=1286133 q=77358 ncpus=4) [ 6540.683495][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6540.683502][ C2] Tainted: [L]=SOFTLOCKUP [ 6540.683503][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6540.683506][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6540.683517][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6540.683521][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6540.683525][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6540.683527][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6540.683530][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6540.683532][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6540.683534][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6540.683536][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6540.683538][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6540.683542][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6540.683544][ C2] PKRU: 55555554 [ 6540.683546][ C2] Call Trace: [ 6540.683548][ C2] [ 6540.683550][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6540.683558][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6540.683564][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6540.683566][ C2] ? lock_acquire+0x10c/0x170 [ 6540.683572][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6540.683579][ C2] mptcp_try_fallback+0x14b/0x360 [ 6540.683583][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6540.683589][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6540.683592][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6540.683595][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6540.683600][ C2] __mptcp_retrans+0x42a/0x960 [ 6540.683605][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6540.683611][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6540.683618][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6540.683625][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6540.683628][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6540.683631][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6540.683633][ C2] ? lock_acquire+0x10c/0x170 [ 6540.683636][ C2] ? release_sock+0x1f/0x1d0 [ 6540.683643][ C2] release_sock+0x17f/0x1d0 [ 6540.683646][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6540.683653][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6540.683657][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6540.683661][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6540.683666][ C2] ? find_held_lock+0x2b/0x80 [ 6540.683670][ C2] sock_write_iter+0x3c1/0x520 [ 6540.683676][ C2] ? __up_write+0x1ad/0x530 [ 6540.683681][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6540.683687][ C2] ? ksys_write+0xf7/0x1d0 [ 6540.683694][ C2] vfs_write+0xc0c/0x1210 [ 6540.683698][ C2] ? ksys_write+0x137/0x1d0 [ 6540.683700][ C2] ? __lock_release+0x5d/0x170 [ 6540.683704][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6540.683708][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6540.683715][ C2] ksys_write+0x183/0x1d0 [ 6540.683718][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6540.683721][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6540.683730][ C2] do_syscall_64+0xc1/0x380 [ 6540.683733][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6540.683737][ C2] RIP: 0033:0x7f471c970337 [ 6540.683745][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6540.683747][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6540.683750][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6540.683752][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6540.683754][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6540.683756][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6540.683759][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6540.683765][ C2] [ 6568.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4046s! [mptcp_connect:16956] [ 6568.512940][ 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 [ 6568.512957][ C2] irq event stamp: 64230 [ 6568.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6568.512968][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6568.512973][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6568.512979][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6568.512986][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6568.512992][ C2] Tainted: [L]=SOFTLOCKUP [ 6568.512994][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6568.512996][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6568.513001][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6568.513004][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6568.513007][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6568.513010][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6568.513012][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6568.513014][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6568.513015][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6568.513018][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6568.513021][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6568.513024][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6568.513026][ C2] PKRU: 55555554 [ 6568.513028][ C2] Call Trace: [ 6568.513031][ C2] [ 6568.513034][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6568.513042][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6568.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6568.513049][ C2] ? lock_acquire+0x10c/0x170 [ 6568.513054][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6568.513058][ C2] mptcp_try_fallback+0x14b/0x360 [ 6568.513063][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6568.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6568.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6568.513076][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6568.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 6568.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6568.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6568.513098][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6568.513106][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6568.513108][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6568.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6568.513115][ C2] ? lock_acquire+0x10c/0x170 [ 6568.513118][ C2] ? release_sock+0x1f/0x1d0 [ 6568.513123][ C2] release_sock+0x17f/0x1d0 [ 6568.513127][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6568.513135][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6568.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6568.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6568.513148][ C2] ? find_held_lock+0x2b/0x80 [ 6568.513152][ C2] sock_write_iter+0x3c1/0x520 [ 6568.513158][ C2] ? __up_write+0x1ad/0x530 [ 6568.513163][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6568.513170][ C2] ? ksys_write+0xf7/0x1d0 [ 6568.513176][ C2] vfs_write+0xc0c/0x1210 [ 6568.513180][ C2] ? ksys_write+0x137/0x1d0 [ 6568.513183][ C2] ? __lock_release+0x5d/0x170 [ 6568.513187][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6568.513191][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6568.513198][ C2] ksys_write+0x183/0x1d0 [ 6568.513202][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6568.513204][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6568.513212][ C2] do_syscall_64+0xc1/0x380 [ 6568.513216][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6568.513220][ C2] RIP: 0033:0x7f471c970337 [ 6568.513226][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6568.513228][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6568.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6568.513234][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6568.513236][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6568.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6568.513240][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6568.513246][ C2] [ 6596.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4072s! [mptcp_connect:16956] [ 6596.512939][ 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 [ 6596.512955][ C2] irq event stamp: 64230 [ 6596.512956][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6596.512966][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6596.512970][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6596.512976][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6596.512982][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6596.512988][ C2] Tainted: [L]=SOFTLOCKUP [ 6596.512990][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6596.512992][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6596.512997][ 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 [ 6596.513000][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6596.513003][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6596.513006][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6596.513008][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6596.513010][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6596.513012][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6596.513015][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6596.513018][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6596.513021][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6596.513024][ C2] PKRU: 55555554 [ 6596.513025][ C2] Call Trace: [ 6596.513028][ C2] [ 6596.513032][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6596.513039][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6596.513044][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6596.513047][ C2] ? lock_acquire+0x10c/0x170 [ 6596.513052][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6596.513057][ C2] mptcp_try_fallback+0x14b/0x360 [ 6596.513061][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6596.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6596.513071][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6596.513074][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6596.513079][ C2] __mptcp_retrans+0x42a/0x960 [ 6596.513085][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6596.513101][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6596.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6596.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6596.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6596.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6596.513123][ C2] ? lock_acquire+0x10c/0x170 [ 6596.513126][ C2] ? release_sock+0x1f/0x1d0 [ 6596.513132][ C2] release_sock+0x17f/0x1d0 [ 6596.513135][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6596.513143][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6596.513147][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6596.513151][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6596.513156][ C2] ? find_held_lock+0x2b/0x80 [ 6596.513160][ C2] sock_write_iter+0x3c1/0x520 [ 6596.513166][ C2] ? __up_write+0x1ad/0x530 [ 6596.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6596.513177][ C2] ? ksys_write+0xf7/0x1d0 [ 6596.513184][ C2] vfs_write+0xc0c/0x1210 [ 6596.513188][ C2] ? ksys_write+0x137/0x1d0 [ 6596.513191][ C2] ? __lock_release+0x5d/0x170 [ 6596.513195][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6596.513198][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6596.513205][ C2] ksys_write+0x183/0x1d0 [ 6596.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6596.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6596.513219][ C2] do_syscall_64+0xc1/0x380 [ 6596.513223][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6596.513228][ C2] RIP: 0033:0x7f471c970337 [ 6596.513234][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6596.513236][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6596.513239][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6596.513242][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6596.513244][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6596.513246][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6596.513248][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6596.513254][ C2] [ 6616.477339][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4361925 jiffies s: 68525 root: 0x4/. [ 6616.477946][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6616.478142][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6616.478342][ C2] NMI backtrace for cpu 2 [ 6616.478353][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6616.478359][ C2] Tainted: [L]=SOFTLOCKUP [ 6616.478361][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6616.478364][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6616.478377][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6616.478380][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6616.478384][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6616.478386][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6616.478389][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6616.478391][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6616.478393][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6616.478395][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6616.478398][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6616.478402][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6616.478404][ C2] PKRU: 55555554 [ 6616.478405][ C2] Call Trace: [ 6616.478408][ C2] [ 6616.478412][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6616.478420][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6616.478427][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6616.478430][ C2] ? lock_acquire+0x10c/0x170 [ 6616.478434][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6616.478443][ C2] mptcp_try_fallback+0x14b/0x360 [ 6616.478447][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6616.478453][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6616.478456][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6616.478459][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6616.478464][ C2] __mptcp_retrans+0x42a/0x960 [ 6616.478470][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6616.478475][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6616.478483][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6616.478491][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6616.478494][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6616.478497][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6616.478500][ C2] ? lock_acquire+0x10c/0x170 [ 6616.478503][ C2] ? release_sock+0x1f/0x1d0 [ 6616.478510][ C2] release_sock+0x17f/0x1d0 [ 6616.478514][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6616.478522][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6616.478526][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6616.478530][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6616.478536][ C2] ? find_held_lock+0x2b/0x80 [ 6616.478540][ C2] sock_write_iter+0x3c1/0x520 [ 6616.478547][ C2] ? __up_write+0x1ad/0x530 [ 6616.478552][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6616.478559][ C2] ? ksys_write+0xf7/0x1d0 [ 6616.478566][ C2] vfs_write+0xc0c/0x1210 [ 6616.478570][ C2] ? ksys_write+0x137/0x1d0 [ 6616.478573][ C2] ? __lock_release+0x5d/0x170 [ 6616.478577][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6616.478580][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6616.478587][ C2] ksys_write+0x183/0x1d0 [ 6616.478591][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6616.478593][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6616.478601][ C2] do_syscall_64+0xc1/0x380 [ 6616.478606][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6616.478610][ C2] RIP: 0033:0x7f471c970337 [ 6616.478619][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6616.478621][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6616.478625][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6616.478627][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6616.478629][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6616.478631][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6616.478633][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6616.478639][ C2] [ 6618.685336][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6618.685715][ C2] rcu: 2-....: (4390633 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1855064 [ 6618.686241][ C2] rcu: (t=4394168 jiffies g=1286133 q=78706 ncpus=4) [ 6618.686486][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6618.686492][ C2] Tainted: [L]=SOFTLOCKUP [ 6618.686494][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6618.686496][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6618.686505][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6618.686508][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6618.686512][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6618.686515][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6618.686517][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6618.686519][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6618.686521][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6618.686523][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6618.686526][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6618.686530][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6618.686532][ C2] PKRU: 55555554 [ 6618.686533][ C2] Call Trace: [ 6618.686535][ C2] [ 6618.686537][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6618.686544][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6618.686549][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6618.686552][ C2] ? lock_acquire+0x10c/0x170 [ 6618.686557][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6618.686564][ C2] mptcp_try_fallback+0x14b/0x360 [ 6618.686568][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6618.686574][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6618.686577][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6618.686579][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6618.686584][ C2] __mptcp_retrans+0x42a/0x960 [ 6618.686590][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6618.686595][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6618.686603][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6618.686611][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6618.686613][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6618.686617][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6618.686619][ C2] ? lock_acquire+0x10c/0x170 [ 6618.686622][ C2] ? release_sock+0x1f/0x1d0 [ 6618.686628][ C2] release_sock+0x17f/0x1d0 [ 6618.686632][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6618.686639][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6618.686643][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6618.686647][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6618.686652][ C2] ? find_held_lock+0x2b/0x80 [ 6618.686657][ C2] sock_write_iter+0x3c1/0x520 [ 6618.686663][ C2] ? __up_write+0x1ad/0x530 [ 6618.686667][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6618.686674][ C2] ? ksys_write+0xf7/0x1d0 [ 6618.686681][ C2] vfs_write+0xc0c/0x1210 [ 6618.686684][ C2] ? ksys_write+0x137/0x1d0 [ 6618.686687][ C2] ? __lock_release+0x5d/0x170 [ 6618.686690][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6618.686694][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6618.686701][ C2] ksys_write+0x183/0x1d0 [ 6618.686705][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6618.686707][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6618.686715][ C2] do_syscall_64+0xc1/0x380 [ 6618.686719][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6618.686723][ C2] RIP: 0033:0x7f471c970337 [ 6618.686730][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6618.686732][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6618.686735][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6618.686737][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6618.686739][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6618.686741][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6618.686743][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6618.686749][ C2] [ 6644.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4117s! [mptcp_connect:16956] [ 6644.512939][ 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 [ 6644.512957][ C2] irq event stamp: 64230 [ 6644.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6644.512967][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6644.512971][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6644.512977][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6644.512984][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6644.512990][ C2] Tainted: [L]=SOFTLOCKUP [ 6644.512992][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6644.512994][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6644.512998][ 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 [ 6644.513001][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6644.513004][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6644.513007][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6644.513009][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6644.513011][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6644.513013][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6644.513016][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6644.513019][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6644.513022][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6644.513024][ C2] PKRU: 55555554 [ 6644.513026][ C2] Call Trace: [ 6644.513028][ C2] [ 6644.513030][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6644.513038][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6644.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6644.513045][ C2] ? lock_acquire+0x10c/0x170 [ 6644.513050][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6644.513054][ C2] mptcp_try_fallback+0x14b/0x360 [ 6644.513058][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6644.513065][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6644.513068][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6644.513072][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6644.513076][ C2] __mptcp_retrans+0x42a/0x960 [ 6644.513083][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6644.513088][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6644.513094][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6644.513102][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6644.513105][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6644.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6644.513111][ C2] ? lock_acquire+0x10c/0x170 [ 6644.513114][ C2] ? release_sock+0x1f/0x1d0 [ 6644.513120][ C2] release_sock+0x17f/0x1d0 [ 6644.513124][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6644.513131][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6644.513135][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6644.513139][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6644.513145][ C2] ? find_held_lock+0x2b/0x80 [ 6644.513149][ C2] sock_write_iter+0x3c1/0x520 [ 6644.513154][ C2] ? __up_write+0x1ad/0x530 [ 6644.513160][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6644.513167][ C2] ? ksys_write+0xf7/0x1d0 [ 6644.513173][ C2] vfs_write+0xc0c/0x1210 [ 6644.513177][ C2] ? ksys_write+0x137/0x1d0 [ 6644.513179][ C2] ? __lock_release+0x5d/0x170 [ 6644.513183][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6644.513187][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6644.513194][ C2] ksys_write+0x183/0x1d0 [ 6644.513198][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6644.513200][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6644.513208][ C2] do_syscall_64+0xc1/0x380 [ 6644.513212][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6644.513216][ C2] RIP: 0033:0x7f471c970337 [ 6644.513221][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6644.513223][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6644.513226][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6644.513228][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6644.513231][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6644.513233][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6644.513235][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6644.513241][ C2] [ 6672.512944][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4143s! [mptcp_connect:16956] [ 6672.512951][ 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 [ 6672.512968][ C2] irq event stamp: 64230 [ 6672.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6672.512979][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6672.512983][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6672.512989][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6672.512996][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6672.513001][ C2] Tainted: [L]=SOFTLOCKUP [ 6672.513003][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6672.513005][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6672.513010][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6672.513013][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6672.513016][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6672.513019][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6672.513021][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6672.513023][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6672.513025][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6672.513028][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6672.513031][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6672.513034][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6672.513036][ C2] PKRU: 55555554 [ 6672.513038][ C2] Call Trace: [ 6672.513040][ C2] [ 6672.513044][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6672.513051][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6672.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6672.513059][ C2] ? lock_acquire+0x10c/0x170 [ 6672.513063][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6672.513068][ C2] mptcp_try_fallback+0x14b/0x360 [ 6672.513072][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6672.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6672.513081][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6672.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6672.513089][ C2] __mptcp_retrans+0x42a/0x960 [ 6672.513095][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6672.513100][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6672.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6672.513115][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6672.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6672.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6672.513123][ C2] ? lock_acquire+0x10c/0x170 [ 6672.513126][ C2] ? release_sock+0x1f/0x1d0 [ 6672.513133][ C2] release_sock+0x17f/0x1d0 [ 6672.513136][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6672.513144][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6672.513147][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6672.513151][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6672.513157][ C2] ? find_held_lock+0x2b/0x80 [ 6672.513161][ C2] sock_write_iter+0x3c1/0x520 [ 6672.513166][ C2] ? __up_write+0x1ad/0x530 [ 6672.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6672.513178][ C2] ? ksys_write+0xf7/0x1d0 [ 6672.513185][ C2] vfs_write+0xc0c/0x1210 [ 6672.513188][ C2] ? ksys_write+0x137/0x1d0 [ 6672.513191][ C2] ? __lock_release+0x5d/0x170 [ 6672.513195][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6672.513199][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6672.513206][ C2] ksys_write+0x183/0x1d0 [ 6672.513210][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6672.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6672.513220][ C2] do_syscall_64+0xc1/0x380 [ 6672.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6672.513228][ C2] RIP: 0033:0x7f471c970337 [ 6672.513235][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6672.513237][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6672.513240][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6672.513242][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6672.513244][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6672.513246][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6672.513248][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6672.513254][ C2] [ 6696.688322][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6696.688727][ C2] rcu: 2-....: (4468586 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1892004 [ 6696.689245][ C2] rcu: (t=4472171 jiffies g=1286133 q=79729 ncpus=4) [ 6696.689494][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6696.689500][ C2] Tainted: [L]=SOFTLOCKUP [ 6696.689502][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6696.689505][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6696.689517][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6696.689521][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6696.689525][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6696.689528][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6696.689530][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6696.689532][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6696.689535][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6696.689537][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6696.689539][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6696.689543][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6696.689545][ C2] PKRU: 55555554 [ 6696.689547][ C2] Call Trace: [ 6696.689548][ C2] [ 6696.689551][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6696.689558][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6696.689564][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6696.689567][ C2] ? lock_acquire+0x10c/0x170 [ 6696.689572][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6696.689579][ C2] mptcp_try_fallback+0x14b/0x360 [ 6696.689583][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6696.689589][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6696.689592][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6696.689595][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6696.689599][ C2] __mptcp_retrans+0x42a/0x960 [ 6696.689605][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6696.689611][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6696.689620][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6696.689627][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6696.689630][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6696.689633][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6696.689636][ C2] ? lock_acquire+0x10c/0x170 [ 6696.689639][ C2] ? release_sock+0x1f/0x1d0 [ 6696.689647][ C2] release_sock+0x17f/0x1d0 [ 6696.689650][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6696.689658][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6696.689662][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6696.689666][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6696.689673][ C2] ? find_held_lock+0x2b/0x80 [ 6696.689677][ C2] sock_write_iter+0x3c1/0x520 [ 6696.689682][ C2] ? __up_write+0x1ad/0x530 [ 6696.689688][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6696.689694][ C2] ? ksys_write+0xf7/0x1d0 [ 6696.689702][ C2] vfs_write+0xc0c/0x1210 [ 6696.689706][ C2] ? ksys_write+0x137/0x1d0 [ 6696.689708][ C2] ? __lock_release+0x5d/0x170 [ 6696.689712][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6696.689716][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6696.689723][ C2] ksys_write+0x183/0x1d0 [ 6696.689726][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6696.689729][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6696.689737][ C2] do_syscall_64+0xc1/0x380 [ 6696.689741][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6696.689745][ C2] RIP: 0033:0x7f471c970337 [ 6696.689755][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6696.689757][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6696.689760][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6696.689762][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6696.689764][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6696.689766][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6696.689768][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6696.689774][ C2] [ 6714.781335][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4460229 jiffies s: 68525 root: 0x4/. [ 6714.781873][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6714.782067][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6714.782234][ C2] NMI backtrace for cpu 2 [ 6714.782241][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6714.782247][ C2] Tainted: [L]=SOFTLOCKUP [ 6714.782248][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6714.782251][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6714.782258][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6714.782261][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6714.782265][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6714.782267][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6714.782269][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6714.782272][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6714.782274][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6714.782276][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6714.782279][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6714.782282][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6714.782285][ C2] PKRU: 55555554 [ 6714.782286][ C2] Call Trace: [ 6714.782288][ C2] [ 6714.782291][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6714.782298][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6714.782302][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6714.782305][ C2] ? lock_acquire+0x10c/0x170 [ 6714.782309][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6714.782317][ C2] mptcp_try_fallback+0x14b/0x360 [ 6714.782320][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6714.782327][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6714.782329][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6714.782332][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6714.782337][ C2] __mptcp_retrans+0x42a/0x960 [ 6714.782343][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6714.782348][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6714.782355][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6714.782362][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6714.782365][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6714.782368][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6714.782371][ C2] ? lock_acquire+0x10c/0x170 [ 6714.782374][ C2] ? release_sock+0x1f/0x1d0 [ 6714.782378][ C2] release_sock+0x17f/0x1d0 [ 6714.782382][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6714.782389][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6714.782392][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6714.782396][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6714.782401][ C2] ? find_held_lock+0x2b/0x80 [ 6714.782405][ C2] sock_write_iter+0x3c1/0x520 [ 6714.782410][ C2] ? __up_write+0x1ad/0x530 [ 6714.782415][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6714.782422][ C2] ? ksys_write+0xf7/0x1d0 [ 6714.782427][ C2] vfs_write+0xc0c/0x1210 [ 6714.782431][ C2] ? ksys_write+0x137/0x1d0 [ 6714.782433][ C2] ? __lock_release+0x5d/0x170 [ 6714.782437][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6714.782441][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6714.782448][ C2] ksys_write+0x183/0x1d0 [ 6714.782451][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6714.782454][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6714.782460][ C2] do_syscall_64+0xc1/0x380 [ 6714.782464][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6714.782468][ C2] RIP: 0033:0x7f471c970337 [ 6714.782474][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6714.782476][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6714.782479][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6714.782481][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6714.782483][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6714.782485][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6714.782487][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6714.782493][ C2] [ 6740.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4206s! [mptcp_connect:16956] [ 6740.512945][ 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 [ 6740.512963][ C2] irq event stamp: 64230 [ 6740.512965][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6740.512975][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6740.512980][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6740.512986][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6740.512994][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6740.513000][ C2] Tainted: [L]=SOFTLOCKUP [ 6740.513002][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6740.513004][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 6740.513009][ 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 [ 6740.513012][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 6740.513016][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6740.513018][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6740.513020][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6740.513022][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6740.513024][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6740.513027][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6740.513030][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6740.513033][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6740.513036][ C2] PKRU: 55555554 [ 6740.513037][ C2] Call Trace: [ 6740.513041][ C2] [ 6740.513045][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6740.513052][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6740.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6740.513061][ C2] ? lock_acquire+0x10c/0x170 [ 6740.513065][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6740.513070][ C2] mptcp_try_fallback+0x14b/0x360 [ 6740.513074][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6740.513081][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6740.513084][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6740.513087][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6740.513092][ C2] __mptcp_retrans+0x42a/0x960 [ 6740.513098][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6740.513103][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6740.513111][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6740.513119][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6740.513122][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6740.513125][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6740.513128][ C2] ? lock_acquire+0x10c/0x170 [ 6740.513131][ C2] ? release_sock+0x1f/0x1d0 [ 6740.513137][ C2] release_sock+0x17f/0x1d0 [ 6740.513140][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6740.513148][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6740.513151][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6740.513156][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6740.513161][ C2] ? find_held_lock+0x2b/0x80 [ 6740.513166][ C2] sock_write_iter+0x3c1/0x520 [ 6740.513172][ C2] ? __up_write+0x1ad/0x530 [ 6740.513177][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6740.513184][ C2] ? ksys_write+0xf7/0x1d0 [ 6740.513191][ C2] vfs_write+0xc0c/0x1210 [ 6740.513195][ C2] ? ksys_write+0x137/0x1d0 [ 6740.513197][ C2] ? __lock_release+0x5d/0x170 [ 6740.513201][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6740.513205][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6740.513213][ C2] ksys_write+0x183/0x1d0 [ 6740.513216][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6740.513219][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6740.513227][ C2] do_syscall_64+0xc1/0x380 [ 6740.513231][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6740.513236][ C2] RIP: 0033:0x7f471c970337 [ 6740.513245][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6740.513246][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6740.513249][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6740.513251][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6740.513253][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6740.513256][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6740.513258][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6740.513264][ C2] [ 6768.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4232s! [mptcp_connect:16956] [ 6768.512949][ 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 [ 6768.512967][ C2] irq event stamp: 64230 [ 6768.512968][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6768.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6768.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6768.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6768.513003][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6768.513009][ C2] Tainted: [L]=SOFTLOCKUP [ 6768.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6768.513014][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6768.513019][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6768.513023][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6768.513026][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6768.513028][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6768.513030][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6768.513032][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6768.513034][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6768.513037][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6768.513040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6768.513043][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6768.513046][ C2] PKRU: 55555554 [ 6768.513047][ C2] Call Trace: [ 6768.513051][ C2] [ 6768.513056][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6768.513064][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6768.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6768.513074][ C2] ? lock_acquire+0x10c/0x170 [ 6768.513079][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6768.513084][ C2] mptcp_try_fallback+0x14b/0x360 [ 6768.513089][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6768.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6768.513098][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6768.513101][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6768.513106][ C2] __mptcp_retrans+0x42a/0x960 [ 6768.513112][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6768.513117][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6768.513126][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6768.513134][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6768.513137][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6768.513140][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6768.513142][ C2] ? lock_acquire+0x10c/0x170 [ 6768.513145][ C2] ? release_sock+0x1f/0x1d0 [ 6768.513152][ C2] release_sock+0x17f/0x1d0 [ 6768.513156][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6768.513164][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6768.513168][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6768.513171][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6768.513179][ C2] ? find_held_lock+0x2b/0x80 [ 6768.513183][ C2] sock_write_iter+0x3c1/0x520 [ 6768.513189][ C2] ? __up_write+0x1ad/0x530 [ 6768.513195][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6768.513202][ C2] ? ksys_write+0xf7/0x1d0 [ 6768.513209][ C2] vfs_write+0xc0c/0x1210 [ 6768.513214][ C2] ? ksys_write+0x137/0x1d0 [ 6768.513216][ C2] ? __lock_release+0x5d/0x170 [ 6768.513220][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6768.513224][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6768.513232][ C2] ksys_write+0x183/0x1d0 [ 6768.513235][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6768.513239][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6768.513247][ C2] do_syscall_64+0xc1/0x380 [ 6768.513252][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6768.513257][ C2] RIP: 0033:0x7f471c970337 [ 6768.513267][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6768.513269][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6768.513272][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6768.513274][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6768.513277][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6768.513279][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6768.513281][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6768.513287][ C2] [ 6774.691322][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6774.691682][ C2] rcu: 2-....: (4546525 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1928779 [ 6774.692194][ C2] rcu: (t=4550174 jiffies g=1286133 q=81074 ncpus=4) [ 6774.692437][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6774.692443][ C2] Tainted: [L]=SOFTLOCKUP [ 6774.692445][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6774.692447][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6774.692456][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6774.692460][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6774.692463][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6774.692466][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6774.692468][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6774.692470][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6774.692472][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6774.692474][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6774.692477][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6774.692480][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6774.692482][ C2] PKRU: 55555554 [ 6774.692484][ C2] Call Trace: [ 6774.692485][ C2] [ 6774.692487][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6774.692495][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6774.692500][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6774.692503][ C2] ? lock_acquire+0x10c/0x170 [ 6774.692508][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6774.692516][ C2] mptcp_try_fallback+0x14b/0x360 [ 6774.692519][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6774.692525][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6774.692528][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6774.692531][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6774.692536][ C2] __mptcp_retrans+0x42a/0x960 [ 6774.692541][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6774.692546][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6774.692554][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6774.692562][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6774.692565][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6774.692568][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6774.692571][ C2] ? lock_acquire+0x10c/0x170 [ 6774.692574][ C2] ? release_sock+0x1f/0x1d0 [ 6774.692580][ C2] release_sock+0x17f/0x1d0 [ 6774.692584][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6774.692591][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6774.692595][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6774.692599][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6774.692605][ C2] ? find_held_lock+0x2b/0x80 [ 6774.692609][ C2] sock_write_iter+0x3c1/0x520 [ 6774.692615][ C2] ? __up_write+0x1ad/0x530 [ 6774.692620][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6774.692627][ C2] ? ksys_write+0xf7/0x1d0 [ 6774.692635][ C2] vfs_write+0xc0c/0x1210 [ 6774.692638][ C2] ? ksys_write+0x137/0x1d0 [ 6774.692641][ C2] ? __lock_release+0x5d/0x170 [ 6774.692645][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6774.692649][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6774.692656][ C2] ksys_write+0x183/0x1d0 [ 6774.692659][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6774.692662][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6774.692669][ C2] do_syscall_64+0xc1/0x380 [ 6774.692673][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6774.692677][ C2] RIP: 0033:0x7f471c970337 [ 6774.692683][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6774.692685][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6774.692688][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6774.692690][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6774.692692][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6774.692694][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6774.692696][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6774.692702][ C2] [ 6800.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4262s! [mptcp_connect:16956] [ 6800.512938][ 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 [ 6800.512954][ C2] irq event stamp: 64230 [ 6800.512956][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6800.512965][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6800.512970][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6800.512977][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6800.512983][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6800.512988][ C2] Tainted: [L]=SOFTLOCKUP [ 6800.512989][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6800.512992][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 6800.512997][ 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 [ 6800.513000][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6800.513003][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6800.513006][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6800.513008][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6800.513010][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6800.513012][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6800.513014][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6800.513017][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6800.513021][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6800.513023][ C2] PKRU: 55555554 [ 6800.513024][ C2] Call Trace: [ 6800.513027][ C2] [ 6800.513030][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6800.513037][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6800.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6800.513045][ C2] ? lock_acquire+0x10c/0x170 [ 6800.513049][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6800.513054][ C2] mptcp_try_fallback+0x14b/0x360 [ 6800.513058][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6800.513065][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6800.513068][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6800.513071][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6800.513075][ C2] __mptcp_retrans+0x42a/0x960 [ 6800.513081][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6800.513086][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6800.513092][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6800.513100][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6800.513102][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6800.513105][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6800.513108][ C2] ? lock_acquire+0x10c/0x170 [ 6800.513111][ C2] ? release_sock+0x1f/0x1d0 [ 6800.513117][ C2] release_sock+0x17f/0x1d0 [ 6800.513121][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6800.513128][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6800.513132][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6800.513136][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6800.513141][ C2] ? find_held_lock+0x2b/0x80 [ 6800.513145][ C2] sock_write_iter+0x3c1/0x520 [ 6800.513151][ C2] ? __up_write+0x1ad/0x530 [ 6800.513156][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6800.513162][ C2] ? ksys_write+0xf7/0x1d0 [ 6800.513169][ C2] vfs_write+0xc0c/0x1210 [ 6800.513173][ C2] ? ksys_write+0x137/0x1d0 [ 6800.513175][ C2] ? __lock_release+0x5d/0x170 [ 6800.513180][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6800.513183][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6800.513190][ C2] ksys_write+0x183/0x1d0 [ 6800.513194][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6800.513197][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6800.513204][ C2] do_syscall_64+0xc1/0x380 [ 6800.513208][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6800.513212][ C2] RIP: 0033:0x7f471c970337 [ 6800.513217][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6800.513219][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6800.513222][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6800.513225][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6800.513227][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6800.513229][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6800.513231][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6800.513237][ C2] [ 6813.085338][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4558533 jiffies s: 68525 root: 0x4/. [ 6813.085913][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6813.086102][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6813.086270][ C2] NMI backtrace for cpu 2 [ 6813.086276][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6813.086281][ C2] Tainted: [L]=SOFTLOCKUP [ 6813.086283][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6813.086285][ C2] RIP: 0010:vring_interrupt+0x246/0x350 [ 6813.086292][ 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 [ 6813.086296][ C2] RSP: 0018:ffffc90000218ea0 EFLAGS: 00000806 [ 6813.086299][ C2] RAX: dffffc0000000000 RBX: ffff888006805000 RCX: ffffffffa03f1df0 [ 6813.086301][ C2] RDX: 0000000000000000 RSI: ffff8880066df400 RDI: ffff888006805002 [ 6813.086303][ C2] RBP: ffff8880066df400 R08: 0000000000000001 R09: fffff520000431c6 [ 6813.086306][ C2] R10: 0000000000000003 R11: ffffc90000218ff8 R12: 0000000000000000 [ 6813.086308][ C2] R13: ffff88800625bd78 R14: dffffc0000000000 R15: ffff88800625bd38 [ 6813.086310][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6813.086312][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6813.086317][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6813.086319][ C2] PKRU: 55555554 [ 6813.086320][ C2] Call Trace: [ 6813.086323][ C2] [ 6813.086325][ C2] vm_interrupt+0xd2/0x160 [ 6813.086333][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 6813.086336][ C2] __handle_irq_event_percpu+0x190/0x310 [ 6813.086344][ C2] handle_irq_event+0xaa/0x1c0 [ 6813.086348][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 6813.086354][ C2] __common_interrupt+0xad/0x1d0 [ 6813.086362][ C2] common_interrupt+0xb9/0xe0 [ 6813.086368][ C2] [ 6813.086369][ C2] [ 6813.086371][ C2] asm_common_interrupt+0x26/0x40 [ 6813.086375][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 6813.086382][ C2] Code: c7 c7 40 05 87 a3 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 [ 6813.086386][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 6813.086388][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6813.086390][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6813.086392][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6813.086394][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6813.086397][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6813.086400][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 6813.086407][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6813.086411][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6813.086418][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6813.086422][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6813.086425][ C2] ? lock_acquire+0x10c/0x170 [ 6813.086429][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6813.086436][ C2] mptcp_try_fallback+0x14b/0x360 [ 6813.086439][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6813.086446][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6813.086449][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6813.086452][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6813.086457][ C2] __mptcp_retrans+0x42a/0x960 [ 6813.086462][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6813.086467][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6813.086472][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6813.086479][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6813.086482][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6813.086485][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6813.086488][ C2] ? lock_acquire+0x10c/0x170 [ 6813.086491][ C2] ? release_sock+0x1f/0x1d0 [ 6813.086496][ C2] release_sock+0x17f/0x1d0 [ 6813.086500][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6813.086507][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6813.086511][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6813.086514][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6813.086520][ C2] ? find_held_lock+0x2b/0x80 [ 6813.086523][ C2] sock_write_iter+0x3c1/0x520 [ 6813.086528][ C2] ? __up_write+0x1ad/0x530 [ 6813.086532][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6813.086538][ C2] ? ksys_write+0xf7/0x1d0 [ 6813.086543][ C2] vfs_write+0xc0c/0x1210 [ 6813.086547][ C2] ? ksys_write+0x137/0x1d0 [ 6813.086549][ C2] ? __lock_release+0x5d/0x170 [ 6813.086553][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6813.086557][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6813.086564][ C2] ksys_write+0x183/0x1d0 [ 6813.086568][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6813.086570][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6813.086577][ C2] do_syscall_64+0xc1/0x380 [ 6813.086580][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6813.086583][ C2] RIP: 0033:0x7f471c970337 [ 6813.086589][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6813.086590][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6813.086593][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6813.086596][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6813.086598][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6813.086600][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6813.086602][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6813.086608][ C2] [ 6840.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4299s! [mptcp_connect:16956] [ 6840.512949][ 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 [ 6840.512968][ C2] irq event stamp: 64230 [ 6840.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6840.512983][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6840.512987][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6840.512995][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6840.513005][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6840.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 6840.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6840.513014][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6840.513020][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6840.513023][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6840.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6840.513029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6840.513032][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6840.513034][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6840.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6840.513038][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6840.513041][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6840.513046][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6840.513048][ C2] PKRU: 55555554 [ 6840.513049][ C2] Call Trace: [ 6840.513054][ C2] [ 6840.513058][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6840.513066][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6840.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6840.513076][ C2] ? lock_acquire+0x10c/0x170 [ 6840.513081][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6840.513086][ C2] mptcp_try_fallback+0x14b/0x360 [ 6840.513091][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6840.513099][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6840.513102][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6840.513104][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6840.513109][ C2] __mptcp_retrans+0x42a/0x960 [ 6840.513116][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6840.513121][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6840.513130][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6840.513138][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6840.513142][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6840.513145][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6840.513148][ C2] ? lock_acquire+0x10c/0x170 [ 6840.513151][ C2] ? release_sock+0x1f/0x1d0 [ 6840.513158][ C2] release_sock+0x17f/0x1d0 [ 6840.513162][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6840.513171][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6840.513174][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6840.513179][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6840.513186][ C2] ? find_held_lock+0x2b/0x80 [ 6840.513191][ C2] sock_write_iter+0x3c1/0x520 [ 6840.513198][ C2] ? __up_write+0x1ad/0x530 [ 6840.513203][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6840.513210][ C2] ? ksys_write+0xf7/0x1d0 [ 6840.513219][ C2] vfs_write+0xc0c/0x1210 [ 6840.513223][ C2] ? ksys_write+0x137/0x1d0 [ 6840.513226][ C2] ? __lock_release+0x5d/0x170 [ 6840.513230][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6840.513234][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6840.513242][ C2] ksys_write+0x183/0x1d0 [ 6840.513246][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6840.513248][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6840.513256][ C2] do_syscall_64+0xc1/0x380 [ 6840.513261][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6840.513266][ C2] RIP: 0033:0x7f471c970337 [ 6840.513276][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6840.513278][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6840.513281][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6840.513283][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6840.513286][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6840.513288][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6840.513290][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6840.513296][ C2] [ 6852.694321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6852.694624][ C2] rcu: 2-....: (4624459 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=1966128 [ 6852.695120][ C2] rcu: (t=4628177 jiffies g=1286133 q=82515 ncpus=4) [ 6852.695359][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6852.695366][ C2] Tainted: [L]=SOFTLOCKUP [ 6852.695368][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6852.695371][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6852.695382][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6852.695386][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6852.695390][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6852.695392][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6852.695394][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6852.695396][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6852.695398][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6852.695401][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6852.695404][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6852.695408][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6852.695410][ C2] PKRU: 55555554 [ 6852.695411][ C2] Call Trace: [ 6852.695413][ C2] [ 6852.695415][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6852.695423][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6852.695429][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6852.695432][ C2] ? lock_acquire+0x10c/0x170 [ 6852.695436][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6852.695443][ C2] mptcp_try_fallback+0x14b/0x360 [ 6852.695447][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6852.695454][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6852.695457][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6852.695460][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6852.695465][ C2] __mptcp_retrans+0x42a/0x960 [ 6852.695470][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6852.695476][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6852.695485][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6852.695492][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6852.695495][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6852.695499][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6852.695501][ C2] ? lock_acquire+0x10c/0x170 [ 6852.695504][ C2] ? release_sock+0x1f/0x1d0 [ 6852.695512][ C2] release_sock+0x17f/0x1d0 [ 6852.695515][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6852.695522][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6852.695526][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6852.695530][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6852.695537][ C2] ? find_held_lock+0x2b/0x80 [ 6852.695541][ C2] sock_write_iter+0x3c1/0x520 [ 6852.695547][ C2] ? __up_write+0x1ad/0x530 [ 6852.695552][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6852.695559][ C2] ? ksys_write+0xf7/0x1d0 [ 6852.695566][ C2] vfs_write+0xc0c/0x1210 [ 6852.695570][ C2] ? ksys_write+0x137/0x1d0 [ 6852.695573][ C2] ? __lock_release+0x5d/0x170 [ 6852.695577][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6852.695581][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6852.695588][ C2] ksys_write+0x183/0x1d0 [ 6852.695591][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6852.695594][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6852.695603][ C2] do_syscall_64+0xc1/0x380 [ 6852.695607][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6852.695611][ C2] RIP: 0033:0x7f471c970337 [ 6852.695621][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6852.695623][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6852.695626][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6852.695628][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6852.695631][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6852.695633][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6852.695635][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6852.695641][ C2] [ 6880.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4336s! [mptcp_connect:16956] [ 6880.512940][ 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 [ 6880.512958][ C2] irq event stamp: 64230 [ 6880.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6880.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6880.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6880.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6880.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6880.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 6880.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6880.512998][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6880.513003][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 6880.513007][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6880.513010][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6880.513012][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6880.513014][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6880.513016][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6880.513018][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6880.513021][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6880.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6880.513028][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6880.513030][ C2] PKRU: 55555554 [ 6880.513031][ C2] Call Trace: [ 6880.513034][ C2] [ 6880.513037][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6880.513045][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6880.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6880.513053][ C2] ? lock_acquire+0x10c/0x170 [ 6880.513058][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6880.513063][ C2] mptcp_try_fallback+0x14b/0x360 [ 6880.513067][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6880.513073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6880.513076][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6880.513079][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6880.513084][ C2] __mptcp_retrans+0x42a/0x960 [ 6880.513090][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6880.513096][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6880.513104][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6880.513111][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6880.513114][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6880.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6880.513120][ C2] ? lock_acquire+0x10c/0x170 [ 6880.513123][ C2] ? release_sock+0x1f/0x1d0 [ 6880.513130][ C2] release_sock+0x17f/0x1d0 [ 6880.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6880.513142][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6880.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6880.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6880.513156][ C2] ? find_held_lock+0x2b/0x80 [ 6880.513160][ C2] sock_write_iter+0x3c1/0x520 [ 6880.513166][ C2] ? __up_write+0x1ad/0x530 [ 6880.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6880.513178][ C2] ? ksys_write+0xf7/0x1d0 [ 6880.513184][ C2] vfs_write+0xc0c/0x1210 [ 6880.513188][ C2] ? ksys_write+0x137/0x1d0 [ 6880.513190][ C2] ? __lock_release+0x5d/0x170 [ 6880.513195][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6880.513199][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6880.513206][ C2] ksys_write+0x183/0x1d0 [ 6880.513210][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6880.513213][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6880.513220][ C2] do_syscall_64+0xc1/0x380 [ 6880.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6880.513228][ C2] RIP: 0033:0x7f471c970337 [ 6880.513236][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6880.513238][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6880.513241][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6880.513243][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6880.513246][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6880.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6880.513250][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6880.513256][ C2] [ 6908.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4363s! [mptcp_connect:16956] [ 6908.512938][ 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 [ 6908.512953][ C2] irq event stamp: 64230 [ 6908.512955][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6908.512963][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6908.512967][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6908.512972][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6908.512978][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6908.512983][ C2] Tainted: [L]=SOFTLOCKUP [ 6908.512985][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6908.512987][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 6908.512992][ 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 [ 6908.512995][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 6908.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6908.513001][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6908.513003][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6908.513005][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6908.513007][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6908.513009][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6908.513012][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6908.513015][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6908.513018][ C2] PKRU: 55555554 [ 6908.513019][ C2] Call Trace: [ 6908.513021][ C2] [ 6908.513024][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6908.513032][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6908.513036][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6908.513039][ C2] ? lock_acquire+0x10c/0x170 [ 6908.513044][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6908.513048][ C2] mptcp_try_fallback+0x14b/0x360 [ 6908.513052][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6908.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6908.513062][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6908.513065][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6908.513070][ C2] __mptcp_retrans+0x42a/0x960 [ 6908.513076][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6908.513081][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6908.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6908.513095][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6908.513098][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6908.513101][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6908.513104][ C2] ? lock_acquire+0x10c/0x170 [ 6908.513107][ C2] ? release_sock+0x1f/0x1d0 [ 6908.513112][ C2] release_sock+0x17f/0x1d0 [ 6908.513116][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6908.513123][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6908.513127][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6908.513131][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6908.513136][ C2] ? find_held_lock+0x2b/0x80 [ 6908.513141][ C2] sock_write_iter+0x3c1/0x520 [ 6908.513147][ C2] ? __up_write+0x1ad/0x530 [ 6908.513151][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6908.513158][ C2] ? ksys_write+0xf7/0x1d0 [ 6908.513165][ C2] vfs_write+0xc0c/0x1210 [ 6908.513168][ C2] ? ksys_write+0x137/0x1d0 [ 6908.513171][ C2] ? __lock_release+0x5d/0x170 [ 6908.513176][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6908.513180][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6908.513187][ C2] ksys_write+0x183/0x1d0 [ 6908.513191][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6908.513194][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6908.513201][ C2] do_syscall_64+0xc1/0x380 [ 6908.513206][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6908.513210][ C2] RIP: 0033:0x7f471c970337 [ 6908.513215][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6908.513217][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6908.513221][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6908.513223][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6908.513225][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6908.513227][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6908.513229][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6908.513236][ C2] [ 6911.389334][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4656837 jiffies s: 68525 root: 0x4/. [ 6911.389773][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 6911.389978][ T17] Sending NMI from CPU 0 to CPUs 2: [ 6911.390212][ C2] NMI backtrace for cpu 2 [ 6911.390217][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6911.390222][ C2] Tainted: [L]=SOFTLOCKUP [ 6911.390223][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6911.390225][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 6911.390233][ 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 [ 6911.390236][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 6911.390239][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6911.390241][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6911.390244][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6911.390246][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6911.390248][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6911.390250][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6911.390253][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6911.390256][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6911.390258][ C2] PKRU: 55555554 [ 6911.390260][ C2] Call Trace: [ 6911.390262][ C2] [ 6911.390263][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6911.390270][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6911.390277][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6911.390280][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6911.390283][ C2] ? lock_acquire+0x10c/0x170 [ 6911.390287][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6911.390292][ C2] mptcp_try_fallback+0x14b/0x360 [ 6911.390296][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6911.390302][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6911.390305][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6911.390308][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6911.390313][ C2] __mptcp_retrans+0x42a/0x960 [ 6911.390320][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6911.390325][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6911.390330][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6911.390337][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6911.390340][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6911.390343][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6911.390346][ C2] ? lock_acquire+0x10c/0x170 [ 6911.390349][ C2] ? release_sock+0x1f/0x1d0 [ 6911.390354][ C2] release_sock+0x17f/0x1d0 [ 6911.390358][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6911.390365][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6911.390368][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6911.390373][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6911.390377][ C2] ? find_held_lock+0x2b/0x80 [ 6911.390381][ C2] sock_write_iter+0x3c1/0x520 [ 6911.390385][ C2] ? __up_write+0x1ad/0x530 [ 6911.390389][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6911.390395][ C2] ? ksys_write+0xf7/0x1d0 [ 6911.390401][ C2] vfs_write+0xc0c/0x1210 [ 6911.390404][ C2] ? ksys_write+0x137/0x1d0 [ 6911.390407][ C2] ? __lock_release+0x5d/0x170 [ 6911.390411][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6911.390415][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6911.390422][ C2] ksys_write+0x183/0x1d0 [ 6911.390425][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6911.390428][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6911.390433][ C2] do_syscall_64+0xc1/0x380 [ 6911.390437][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6911.390440][ C2] RIP: 0033:0x7f471c970337 [ 6911.390444][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6911.390446][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6911.390449][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6911.390451][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6911.390453][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6911.390455][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6911.390457][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6911.390463][ C2] [ 6930.697321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 6930.697708][ C2] rcu: 2-....: (4702401 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2005035 [ 6930.698216][ C2] rcu: (t=4706180 jiffies g=1286133 q=83869 ncpus=4) [ 6930.698455][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6930.698460][ C2] Tainted: [L]=SOFTLOCKUP [ 6930.698462][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6930.698464][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 6930.698473][ 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 [ 6930.698476][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000282 [ 6930.698481][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6930.698483][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6930.698485][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6930.698487][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6930.698490][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6930.698492][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6930.698495][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6930.698498][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6930.698501][ C2] PKRU: 55555554 [ 6930.698502][ C2] Call Trace: [ 6930.698504][ C2] [ 6930.698506][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 6930.698513][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6930.698520][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6930.698525][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6930.698528][ C2] ? lock_acquire+0x10c/0x170 [ 6930.698532][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6930.698539][ C2] mptcp_try_fallback+0x14b/0x360 [ 6930.698543][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6930.698550][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6930.698553][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6930.698556][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6930.698561][ C2] __mptcp_retrans+0x42a/0x960 [ 6930.698567][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6930.698572][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6930.698580][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6930.698588][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6930.698590][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6930.698594][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6930.698596][ C2] ? lock_acquire+0x10c/0x170 [ 6930.698599][ C2] ? release_sock+0x1f/0x1d0 [ 6930.698605][ C2] release_sock+0x17f/0x1d0 [ 6930.698609][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6930.698616][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6930.698620][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6930.698624][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6930.698629][ C2] ? find_held_lock+0x2b/0x80 [ 6930.698633][ C2] sock_write_iter+0x3c1/0x520 [ 6930.698639][ C2] ? __up_write+0x1ad/0x530 [ 6930.698644][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6930.698650][ C2] ? ksys_write+0xf7/0x1d0 [ 6930.698656][ C2] vfs_write+0xc0c/0x1210 [ 6930.698659][ C2] ? ksys_write+0x137/0x1d0 [ 6930.698661][ C2] ? __lock_release+0x5d/0x170 [ 6930.698665][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6930.698669][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6930.698676][ C2] ksys_write+0x183/0x1d0 [ 6930.698679][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6930.698682][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6930.698689][ C2] do_syscall_64+0xc1/0x380 [ 6930.698693][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6930.698697][ C2] RIP: 0033:0x7f471c970337 [ 6930.698705][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6930.698707][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6930.698710][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6930.698713][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6930.698715][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6930.698717][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6930.698719][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6930.698725][ C2] [ 6956.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4407s! [mptcp_connect:16956] [ 6956.512940][ 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 [ 6956.512957][ C2] irq event stamp: 64230 [ 6956.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6956.512968][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6956.512972][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6956.512976][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6956.512983][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6956.512988][ C2] Tainted: [L]=SOFTLOCKUP [ 6956.512990][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6956.512992][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6956.512996][ 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 [ 6956.512999][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6956.513002][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6956.513005][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6956.513007][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6956.513009][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6956.513011][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6956.513014][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6956.513016][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6956.513020][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6956.513023][ C2] PKRU: 55555554 [ 6956.513024][ C2] Call Trace: [ 6956.513026][ C2] [ 6956.513030][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6956.513037][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6956.513042][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6956.513045][ C2] ? lock_acquire+0x10c/0x170 [ 6956.513049][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6956.513054][ C2] mptcp_try_fallback+0x14b/0x360 [ 6956.513058][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6956.513064][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6956.513067][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6956.513071][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6956.513076][ C2] __mptcp_retrans+0x42a/0x960 [ 6956.513082][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6956.513087][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6956.513094][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6956.513102][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6956.513104][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6956.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6956.513111][ C2] ? lock_acquire+0x10c/0x170 [ 6956.513114][ C2] ? release_sock+0x1f/0x1d0 [ 6956.513119][ C2] release_sock+0x17f/0x1d0 [ 6956.513123][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6956.513131][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6956.513134][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6956.513138][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6956.513143][ C2] ? find_held_lock+0x2b/0x80 [ 6956.513147][ C2] sock_write_iter+0x3c1/0x520 [ 6956.513152][ C2] ? __up_write+0x1ad/0x530 [ 6956.513156][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6956.513163][ C2] ? ksys_write+0xf7/0x1d0 [ 6956.513169][ C2] vfs_write+0xc0c/0x1210 [ 6956.513173][ C2] ? ksys_write+0x137/0x1d0 [ 6956.513175][ C2] ? __lock_release+0x5d/0x170 [ 6956.513179][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6956.513183][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6956.513191][ C2] ksys_write+0x183/0x1d0 [ 6956.513194][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6956.513197][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6956.513204][ C2] do_syscall_64+0xc1/0x380 [ 6956.513208][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6956.513211][ C2] RIP: 0033:0x7f471c970337 [ 6956.513217][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6956.513218][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6956.513222][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6956.513224][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6956.513226][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6956.513228][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6956.513231][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6956.513237][ C2] [ 6984.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4433s! [mptcp_connect:16956] [ 6984.512939][ 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 [ 6984.512954][ C2] irq event stamp: 64230 [ 6984.512956][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 6984.512963][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 6984.512967][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 6984.512972][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 6984.512979][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 6984.512984][ C2] Tainted: [L]=SOFTLOCKUP [ 6984.512985][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6984.512987][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 6984.512992][ 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 [ 6984.512996][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 6984.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 6984.513001][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 6984.513003][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 6984.513005][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 6984.513007][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 6984.513010][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 6984.513013][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6984.513017][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 6984.513019][ C2] PKRU: 55555554 [ 6984.513020][ C2] Call Trace: [ 6984.513022][ C2] [ 6984.513025][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 6984.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 6984.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6984.513041][ C2] ? lock_acquire+0x10c/0x170 [ 6984.513045][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 6984.513050][ C2] mptcp_try_fallback+0x14b/0x360 [ 6984.513055][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 6984.513061][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6984.513064][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 6984.513067][ C2] ? __mptcp_retrans+0x34a/0x960 [ 6984.513072][ C2] __mptcp_retrans+0x42a/0x960 [ 6984.513078][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 6984.513084][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 6984.513090][ C2] mptcp_release_cb+0x5eb/0xac0 [ 6984.513098][ C2] ? do_raw_spin_lock+0x130/0x270 [ 6984.513100][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 6984.513103][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 6984.513106][ C2] ? lock_acquire+0x10c/0x170 [ 6984.513110][ C2] ? release_sock+0x1f/0x1d0 [ 6984.513115][ C2] release_sock+0x17f/0x1d0 [ 6984.513119][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 6984.513127][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 6984.513131][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 6984.513135][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 6984.513140][ C2] ? find_held_lock+0x2b/0x80 [ 6984.513145][ C2] sock_write_iter+0x3c1/0x520 [ 6984.513149][ C2] ? __up_write+0x1ad/0x530 [ 6984.513153][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 6984.513161][ C2] ? ksys_write+0xf7/0x1d0 [ 6984.513166][ C2] vfs_write+0xc0c/0x1210 [ 6984.513170][ C2] ? ksys_write+0x137/0x1d0 [ 6984.513172][ C2] ? __lock_release+0x5d/0x170 [ 6984.513176][ C2] ? __pfx_vfs_write+0x10/0x10 [ 6984.513180][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 6984.513187][ C2] ksys_write+0x183/0x1d0 [ 6984.513191][ C2] ? __pfx_ksys_write+0x10/0x10 [ 6984.513194][ C2] ? do_user_addr_fault+0x959/0xe00 [ 6984.513200][ C2] do_syscall_64+0xc1/0x380 [ 6984.513204][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6984.513207][ C2] RIP: 0033:0x7f471c970337 [ 6984.513213][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 6984.513215][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 6984.513219][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 6984.513221][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 6984.513223][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 6984.513225][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 6984.513227][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 6984.513233][ C2] [ 7008.700320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7008.700723][ C2] rcu: 2-....: (4780357 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2044012 [ 7008.701231][ C2] rcu: (t=4784183 jiffies g=1286133 q=84895 ncpus=4) [ 7008.701467][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7008.701474][ C2] Tainted: [L]=SOFTLOCKUP [ 7008.701476][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7008.701479][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7008.701492][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7008.701496][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7008.701501][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7008.701504][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7008.701506][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7008.701508][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7008.701510][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7008.701512][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7008.701515][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7008.701519][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7008.701521][ C2] PKRU: 55555554 [ 7008.701523][ C2] Call Trace: [ 7008.701524][ C2] [ 7008.701527][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7008.701535][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7008.701541][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7008.701544][ C2] ? lock_acquire+0x10c/0x170 [ 7008.701549][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7008.701558][ C2] mptcp_try_fallback+0x14b/0x360 [ 7008.701561][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7008.701568][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7008.701571][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7008.701574][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7008.701580][ C2] __mptcp_retrans+0x42a/0x960 [ 7008.701586][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7008.701591][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7008.701601][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7008.701609][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7008.701612][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7008.701615][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7008.701618][ C2] ? lock_acquire+0x10c/0x170 [ 7008.701621][ C2] ? release_sock+0x1f/0x1d0 [ 7008.701629][ C2] release_sock+0x17f/0x1d0 [ 7008.701632][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7008.701640][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7008.701644][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7008.701648][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7008.701655][ C2] ? find_held_lock+0x2b/0x80 [ 7008.701660][ C2] sock_write_iter+0x3c1/0x520 [ 7008.701666][ C2] ? __up_write+0x1ad/0x530 [ 7008.701672][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7008.701678][ C2] ? ksys_write+0xf7/0x1d0 [ 7008.701687][ C2] vfs_write+0xc0c/0x1210 [ 7008.701690][ C2] ? ksys_write+0x137/0x1d0 [ 7008.701693][ C2] ? __lock_release+0x5d/0x170 [ 7008.701697][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7008.701700][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7008.701708][ C2] ksys_write+0x183/0x1d0 [ 7008.701711][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7008.701715][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7008.701724][ C2] do_syscall_64+0xc1/0x380 [ 7008.701728][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7008.701732][ C2] RIP: 0033:0x7f471c970337 [ 7008.701743][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7008.701745][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7008.701748][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7008.701751][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7008.701753][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7008.701755][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7008.701757][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7008.701763][ C2] [ 7009.693334][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4755141 jiffies s: 68525 root: 0x4/. [ 7009.693787][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7009.693963][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7009.694126][ C2] NMI backtrace for cpu 2 [ 7009.694132][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7009.694138][ C2] Tainted: [L]=SOFTLOCKUP [ 7009.694139][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7009.694141][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7009.694151][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7009.694154][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7009.694158][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7009.694160][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7009.694162][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7009.694165][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7009.694167][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7009.694169][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7009.694172][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7009.694175][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7009.694177][ C2] PKRU: 55555554 [ 7009.694179][ C2] Call Trace: [ 7009.694180][ C2] [ 7009.694183][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7009.694190][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7009.694196][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7009.694199][ C2] ? lock_acquire+0x10c/0x170 [ 7009.694204][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7009.694212][ C2] mptcp_try_fallback+0x14b/0x360 [ 7009.694216][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7009.694223][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7009.694226][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7009.694229][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7009.694234][ C2] __mptcp_retrans+0x42a/0x960 [ 7009.694240][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7009.694246][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7009.694253][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7009.694262][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7009.694265][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7009.694268][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7009.694271][ C2] ? lock_acquire+0x10c/0x170 [ 7009.694274][ C2] ? release_sock+0x1f/0x1d0 [ 7009.694281][ C2] release_sock+0x17f/0x1d0 [ 7009.694285][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7009.694292][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7009.694296][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7009.694300][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7009.694307][ C2] ? find_held_lock+0x2b/0x80 [ 7009.694311][ C2] sock_write_iter+0x3c1/0x520 [ 7009.694318][ C2] ? __up_write+0x1ad/0x530 [ 7009.694324][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7009.694330][ C2] ? ksys_write+0xf7/0x1d0 [ 7009.694338][ C2] vfs_write+0xc0c/0x1210 [ 7009.694342][ C2] ? ksys_write+0x137/0x1d0 [ 7009.694345][ C2] ? __lock_release+0x5d/0x170 [ 7009.694349][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7009.694353][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7009.694360][ C2] ksys_write+0x183/0x1d0 [ 7009.694363][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7009.694366][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7009.694374][ C2] do_syscall_64+0xc1/0x380 [ 7009.694378][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7009.694382][ C2] RIP: 0033:0x7f471c970337 [ 7009.694388][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7009.694390][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7009.694393][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7009.694395][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7009.694397][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7009.694399][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7009.694401][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7009.694407][ C2] [ 7036.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4482s! [mptcp_connect:16956] [ 7036.512940][ 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 [ 7036.512958][ C2] irq event stamp: 64230 [ 7036.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7036.512969][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7036.512973][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7036.512978][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7036.512984][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7036.512990][ C2] Tainted: [L]=SOFTLOCKUP [ 7036.512991][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7036.512993][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 7036.512998][ 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 [ 7036.513002][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 7036.513005][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7036.513008][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7036.513010][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7036.513012][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7036.513015][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7036.513017][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7036.513020][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7036.513023][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7036.513026][ C2] PKRU: 55555554 [ 7036.513027][ C2] Call Trace: [ 7036.513029][ C2] [ 7036.513032][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7036.513040][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7036.513045][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7036.513048][ C2] ? lock_acquire+0x10c/0x170 [ 7036.513052][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7036.513057][ C2] mptcp_try_fallback+0x14b/0x360 [ 7036.513062][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7036.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7036.513072][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7036.513075][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7036.513080][ C2] __mptcp_retrans+0x42a/0x960 [ 7036.513086][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7036.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7036.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7036.513107][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7036.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7036.513113][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7036.513115][ C2] ? lock_acquire+0x10c/0x170 [ 7036.513119][ C2] ? release_sock+0x1f/0x1d0 [ 7036.513125][ C2] release_sock+0x17f/0x1d0 [ 7036.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7036.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7036.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7036.513145][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7036.513150][ C2] ? find_held_lock+0x2b/0x80 [ 7036.513154][ C2] sock_write_iter+0x3c1/0x520 [ 7036.513159][ C2] ? __up_write+0x1ad/0x530 [ 7036.513164][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7036.513171][ C2] ? ksys_write+0xf7/0x1d0 [ 7036.513178][ C2] vfs_write+0xc0c/0x1210 [ 7036.513181][ C2] ? ksys_write+0x137/0x1d0 [ 7036.513184][ C2] ? __lock_release+0x5d/0x170 [ 7036.513188][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7036.513192][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7036.513199][ C2] ksys_write+0x183/0x1d0 [ 7036.513203][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7036.513206][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7036.513212][ C2] do_syscall_64+0xc1/0x380 [ 7036.513216][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7036.513219][ C2] RIP: 0033:0x7f471c970337 [ 7036.513225][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7036.513227][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7036.513229][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7036.513232][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7036.513234][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7036.513236][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7036.513238][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7036.513244][ C2] [ 7064.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4508s! [mptcp_connect:16956] [ 7064.512937][ 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 [ 7064.512953][ C2] irq event stamp: 64230 [ 7064.512955][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7064.512963][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7064.512967][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7064.512972][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7064.512978][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7064.512983][ C2] Tainted: [L]=SOFTLOCKUP [ 7064.512984][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7064.512986][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7064.512991][ 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 [ 7064.512995][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7064.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7064.513000][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7064.513002][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7064.513005][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7064.513007][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7064.513009][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7064.513012][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7064.513016][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7064.513018][ C2] PKRU: 55555554 [ 7064.513019][ C2] Call Trace: [ 7064.513021][ C2] [ 7064.513024][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7064.513032][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7064.513036][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7064.513039][ C2] ? lock_acquire+0x10c/0x170 [ 7064.513044][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7064.513048][ C2] mptcp_try_fallback+0x14b/0x360 [ 7064.513053][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7064.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7064.513062][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7064.513065][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7064.513070][ C2] __mptcp_retrans+0x42a/0x960 [ 7064.513076][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7064.513082][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7064.513089][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7064.513096][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7064.513099][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7064.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7064.513105][ C2] ? lock_acquire+0x10c/0x170 [ 7064.513108][ C2] ? release_sock+0x1f/0x1d0 [ 7064.513115][ C2] release_sock+0x17f/0x1d0 [ 7064.513118][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7064.513126][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7064.513130][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7064.513134][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7064.513139][ C2] ? find_held_lock+0x2b/0x80 [ 7064.513143][ C2] sock_write_iter+0x3c1/0x520 [ 7064.513148][ C2] ? __up_write+0x1ad/0x530 [ 7064.513153][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7064.513159][ C2] ? ksys_write+0xf7/0x1d0 [ 7064.513165][ C2] vfs_write+0xc0c/0x1210 [ 7064.513169][ C2] ? ksys_write+0x137/0x1d0 [ 7064.513172][ C2] ? __lock_release+0x5d/0x170 [ 7064.513176][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7064.513179][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7064.513187][ C2] ksys_write+0x183/0x1d0 [ 7064.513190][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7064.513193][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7064.513199][ C2] do_syscall_64+0xc1/0x380 [ 7064.513203][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7064.513207][ C2] RIP: 0033:0x7f471c970337 [ 7064.513212][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7064.513214][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7064.513217][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7064.513219][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7064.513221][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7064.513223][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7064.513225][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7064.513232][ C2] [ 7086.703318][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7086.703661][ C2] rcu: 2-....: (4858300 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2082988 [ 7086.704158][ C2] rcu: (t=4862186 jiffies g=1286133 q=86240 ncpus=4) [ 7086.704391][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7086.704396][ C2] Tainted: [L]=SOFTLOCKUP [ 7086.704398][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7086.704400][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7086.704407][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7086.704410][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7086.704414][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7086.704416][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7086.704419][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7086.704421][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7086.704423][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7086.704425][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7086.704427][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7086.704431][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7086.704433][ C2] PKRU: 55555554 [ 7086.704435][ C2] Call Trace: [ 7086.704436][ C2] [ 7086.704438][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7086.704446][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7086.704450][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7086.704453][ C2] ? lock_acquire+0x10c/0x170 [ 7086.704457][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7086.704463][ C2] mptcp_try_fallback+0x14b/0x360 [ 7086.704466][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7086.704473][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7086.704476][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7086.704479][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7086.704484][ C2] __mptcp_retrans+0x42a/0x960 [ 7086.704490][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7086.704496][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7086.704501][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7086.704509][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7086.704512][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7086.704515][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7086.704518][ C2] ? lock_acquire+0x10c/0x170 [ 7086.704521][ C2] ? release_sock+0x1f/0x1d0 [ 7086.704527][ C2] release_sock+0x17f/0x1d0 [ 7086.704530][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7086.704538][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7086.704541][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7086.704546][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7086.704550][ C2] ? find_held_lock+0x2b/0x80 [ 7086.704554][ C2] sock_write_iter+0x3c1/0x520 [ 7086.704559][ C2] ? __up_write+0x1ad/0x530 [ 7086.704563][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7086.704569][ C2] ? ksys_write+0xf7/0x1d0 [ 7086.704575][ C2] vfs_write+0xc0c/0x1210 [ 7086.704578][ C2] ? ksys_write+0x137/0x1d0 [ 7086.704580][ C2] ? __lock_release+0x5d/0x170 [ 7086.704584][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7086.704588][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7086.704595][ C2] ksys_write+0x183/0x1d0 [ 7086.704599][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7086.704601][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7086.704607][ C2] do_syscall_64+0xc1/0x380 [ 7086.704611][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7086.704614][ C2] RIP: 0033:0x7f471c970337 [ 7086.704619][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7086.704621][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7086.704624][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7086.704626][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7086.704629][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7086.704631][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7086.704633][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7086.704639][ C2] [ 7107.997334][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4853445 jiffies s: 68525 root: 0x4/. [ 7107.997761][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7107.998028][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7107.998190][ C2] NMI backtrace for cpu 2 [ 7107.998196][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7107.998201][ C2] Tainted: [L]=SOFTLOCKUP [ 7107.998202][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7107.998204][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 7107.998211][ 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 [ 7107.998214][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 7107.998217][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 7107.998220][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 7107.998222][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 7107.998224][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 7107.998226][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 7107.998228][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7107.998231][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7107.998234][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7107.998236][ C2] PKRU: 55555554 [ 7107.998238][ C2] Call Trace: [ 7107.998240][ C2] [ 7107.998241][ C2] ioapic_ack_level+0xcf/0x3d0 [ 7107.998251][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 7107.998258][ C2] __common_interrupt+0xad/0x1d0 [ 7107.998266][ C2] common_interrupt+0xb9/0xe0 [ 7107.998271][ C2] [ 7107.998272][ C2] [ 7107.998274][ C2] asm_common_interrupt+0x26/0x40 [ 7107.998279][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7107.998284][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7107.998287][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7107.998289][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7107.998291][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7107.998294][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7107.998296][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7107.998298][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7107.998302][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 7107.998308][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7107.998316][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7107.998320][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7107.998323][ C2] ? lock_acquire+0x10c/0x170 [ 7107.998327][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7107.998332][ C2] mptcp_try_fallback+0x14b/0x360 [ 7107.998336][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7107.998342][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7107.998345][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7107.998348][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7107.998353][ C2] __mptcp_retrans+0x42a/0x960 [ 7107.998359][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7107.998364][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7107.998370][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7107.998377][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7107.998380][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7107.998384][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7107.998386][ C2] ? lock_acquire+0x10c/0x170 [ 7107.998390][ C2] ? release_sock+0x1f/0x1d0 [ 7107.998395][ C2] release_sock+0x17f/0x1d0 [ 7107.998399][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7107.998406][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7107.998410][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7107.998414][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7107.998418][ C2] ? find_held_lock+0x2b/0x80 [ 7107.998422][ C2] sock_write_iter+0x3c1/0x520 [ 7107.998427][ C2] ? __up_write+0x1ad/0x530 [ 7107.998431][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7107.998438][ C2] ? ksys_write+0xf7/0x1d0 [ 7107.998443][ C2] vfs_write+0xc0c/0x1210 [ 7107.998447][ C2] ? ksys_write+0x137/0x1d0 [ 7107.998450][ C2] ? __lock_release+0x5d/0x170 [ 7107.998454][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7107.998457][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7107.998465][ C2] ksys_write+0x183/0x1d0 [ 7107.998468][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7107.998471][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7107.998477][ C2] do_syscall_64+0xc1/0x380 [ 7107.998480][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7107.998483][ C2] RIP: 0033:0x7f471c970337 [ 7107.998488][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7107.998489][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7107.998493][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7107.998495][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7107.998497][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7107.998499][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7107.998501][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7107.998507][ C2] [ 7132.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4571s! [mptcp_connect:16956] [ 7132.512938][ 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 [ 7132.512953][ C2] irq event stamp: 64230 [ 7132.512955][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7132.512961][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7132.512965][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7132.512970][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7132.512975][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7132.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 7132.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7132.512984][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 7132.512991][ C2] Code: c7 c7 40 05 87 a3 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 [ 7132.512995][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 7132.512998][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7132.513000][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7132.513002][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7132.513005][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7132.513007][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7132.513009][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7132.513012][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7132.513016][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7132.513018][ C2] PKRU: 55555554 [ 7132.513019][ C2] Call Trace: [ 7132.513022][ C2] [ 7132.513023][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7132.513029][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7132.513037][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7132.513040][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7132.513043][ C2] ? lock_acquire+0x10c/0x170 [ 7132.513047][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7132.513052][ C2] mptcp_try_fallback+0x14b/0x360 [ 7132.513056][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7132.513063][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7132.513066][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7132.513069][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7132.513074][ C2] __mptcp_retrans+0x42a/0x960 [ 7132.513080][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7132.513085][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7132.513090][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7132.513098][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7132.513100][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7132.513103][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7132.513106][ C2] ? lock_acquire+0x10c/0x170 [ 7132.513109][ C2] ? release_sock+0x1f/0x1d0 [ 7132.513114][ C2] release_sock+0x17f/0x1d0 [ 7132.513118][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7132.513126][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7132.513130][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7132.513134][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7132.513138][ C2] ? find_held_lock+0x2b/0x80 [ 7132.513143][ C2] sock_write_iter+0x3c1/0x520 [ 7132.513147][ C2] ? __up_write+0x1ad/0x530 [ 7132.513151][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7132.513158][ C2] ? ksys_write+0xf7/0x1d0 [ 7132.513163][ C2] vfs_write+0xc0c/0x1210 [ 7132.513167][ C2] ? ksys_write+0x137/0x1d0 [ 7132.513169][ C2] ? __lock_release+0x5d/0x170 [ 7132.513173][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7132.513177][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7132.513184][ C2] ksys_write+0x183/0x1d0 [ 7132.513188][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7132.513191][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7132.513197][ C2] do_syscall_64+0xc1/0x380 [ 7132.513200][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7132.513204][ C2] RIP: 0033:0x7f471c970337 [ 7132.513208][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7132.513210][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7132.513213][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7132.513215][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7132.513218][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7132.513220][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7132.513222][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7132.513228][ C2] [ 7160.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4597s! [mptcp_connect:16956] [ 7160.512938][ 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 [ 7160.512952][ C2] irq event stamp: 64230 [ 7160.512954][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7160.512960][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7160.512965][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7160.512969][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7160.512974][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7160.512979][ C2] Tainted: [L]=SOFTLOCKUP [ 7160.512981][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7160.512983][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7160.512987][ 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 [ 7160.512991][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7160.512994][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7160.512996][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7160.512999][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7160.513001][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7160.513003][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7160.513005][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7160.513008][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7160.513012][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7160.513014][ C2] PKRU: 55555554 [ 7160.513015][ C2] Call Trace: [ 7160.513017][ C2] [ 7160.513020][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7160.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7160.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7160.513034][ C2] ? lock_acquire+0x10c/0x170 [ 7160.513038][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7160.513043][ C2] mptcp_try_fallback+0x14b/0x360 [ 7160.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7160.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7160.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7160.513059][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7160.513064][ C2] __mptcp_retrans+0x42a/0x960 [ 7160.513070][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7160.513076][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7160.513081][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7160.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7160.513092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7160.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7160.513098][ C2] ? lock_acquire+0x10c/0x170 [ 7160.513101][ C2] ? release_sock+0x1f/0x1d0 [ 7160.513106][ C2] release_sock+0x17f/0x1d0 [ 7160.513109][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7160.513117][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7160.513121][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7160.513125][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7160.513129][ C2] ? find_held_lock+0x2b/0x80 [ 7160.513133][ C2] sock_write_iter+0x3c1/0x520 [ 7160.513138][ C2] ? __up_write+0x1ad/0x530 [ 7160.513142][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7160.513149][ C2] ? ksys_write+0xf7/0x1d0 [ 7160.513154][ C2] vfs_write+0xc0c/0x1210 [ 7160.513158][ C2] ? ksys_write+0x137/0x1d0 [ 7160.513161][ C2] ? __lock_release+0x5d/0x170 [ 7160.513165][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7160.513169][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7160.513176][ C2] ksys_write+0x183/0x1d0 [ 7160.513180][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7160.513182][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7160.513189][ C2] do_syscall_64+0xc1/0x380 [ 7160.513193][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7160.513196][ C2] RIP: 0033:0x7f471c970337 [ 7160.513200][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7160.513202][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7160.513205][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7160.513207][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7160.513209][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7160.513212][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7160.513214][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7160.513220][ C2] [ 7164.706319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7164.706766][ C2] rcu: 2-....: (4936238 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2121967 [ 7164.707138][ C2] rcu: (t=4940189 jiffies g=1286133 q=87672 ncpus=4) [ 7164.707368][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7164.707373][ C2] Tainted: [L]=SOFTLOCKUP [ 7164.707375][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7164.707377][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7164.707383][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7164.707386][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7164.707389][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7164.707391][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7164.707393][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7164.707395][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7164.707398][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7164.707400][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7164.707403][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7164.707406][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7164.707408][ C2] PKRU: 55555554 [ 7164.707410][ C2] Call Trace: [ 7164.707411][ C2] [ 7164.707413][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7164.707421][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7164.707424][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7164.707427][ C2] ? lock_acquire+0x10c/0x170 [ 7164.707431][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7164.707436][ C2] mptcp_try_fallback+0x14b/0x360 [ 7164.707440][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7164.707446][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7164.707448][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7164.707451][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7164.707457][ C2] __mptcp_retrans+0x42a/0x960 [ 7164.707462][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7164.707467][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7164.707473][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7164.707480][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7164.707483][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7164.707487][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7164.707490][ C2] ? lock_acquire+0x10c/0x170 [ 7164.707493][ C2] ? release_sock+0x1f/0x1d0 [ 7164.707498][ C2] release_sock+0x17f/0x1d0 [ 7164.707502][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7164.707509][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7164.707513][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7164.707517][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7164.707521][ C2] ? find_held_lock+0x2b/0x80 [ 7164.707525][ C2] sock_write_iter+0x3c1/0x520 [ 7164.707530][ C2] ? __up_write+0x1ad/0x530 [ 7164.707534][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7164.707541][ C2] ? ksys_write+0xf7/0x1d0 [ 7164.707546][ C2] vfs_write+0xc0c/0x1210 [ 7164.707550][ C2] ? ksys_write+0x137/0x1d0 [ 7164.707552][ C2] ? __lock_release+0x5d/0x170 [ 7164.707556][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7164.707560][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7164.707568][ C2] ksys_write+0x183/0x1d0 [ 7164.707571][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7164.707574][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7164.707579][ C2] do_syscall_64+0xc1/0x380 [ 7164.707583][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7164.707586][ C2] RIP: 0033:0x7f471c970337 [ 7164.707591][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7164.707592][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7164.707595][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7164.707597][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7164.707599][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7164.707602][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7164.707604][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7164.707610][ C2] [ 7192.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4627s! [mptcp_connect:16956] [ 7192.512937][ 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 [ 7192.512950][ C2] irq event stamp: 64230 [ 7192.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7192.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7192.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7192.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7192.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7192.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 7192.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7192.512981][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 7192.512987][ C2] Code: c7 c7 40 05 87 a3 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 [ 7192.512990][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 7192.512993][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7192.512996][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7192.512998][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7192.513000][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7192.513003][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7192.513005][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7192.513007][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7192.513011][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7192.513013][ C2] PKRU: 55555554 [ 7192.513014][ C2] Call Trace: [ 7192.513016][ C2] [ 7192.513018][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7192.513023][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7192.513031][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7192.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7192.513037][ C2] ? lock_acquire+0x10c/0x170 [ 7192.513041][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7192.513045][ C2] mptcp_try_fallback+0x14b/0x360 [ 7192.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7192.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7192.513059][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7192.513062][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7192.513067][ C2] __mptcp_retrans+0x42a/0x960 [ 7192.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7192.513078][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7192.513084][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7192.513091][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7192.513094][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7192.513097][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7192.513099][ C2] ? lock_acquire+0x10c/0x170 [ 7192.513103][ C2] ? release_sock+0x1f/0x1d0 [ 7192.513108][ C2] release_sock+0x17f/0x1d0 [ 7192.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7192.513119][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7192.513123][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7192.513126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7192.513131][ C2] ? find_held_lock+0x2b/0x80 [ 7192.513135][ C2] sock_write_iter+0x3c1/0x520 [ 7192.513139][ C2] ? __up_write+0x1ad/0x530 [ 7192.513143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7192.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 7192.513155][ C2] vfs_write+0xc0c/0x1210 [ 7192.513158][ C2] ? ksys_write+0x137/0x1d0 [ 7192.513161][ C2] ? __lock_release+0x5d/0x170 [ 7192.513165][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7192.513169][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7192.513176][ C2] ksys_write+0x183/0x1d0 [ 7192.513180][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7192.513183][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7192.513188][ C2] do_syscall_64+0xc1/0x380 [ 7192.513192][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7192.513195][ C2] RIP: 0033:0x7f471c970337 [ 7192.513200][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7192.513202][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7192.513204][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7192.513206][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7192.513209][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7192.513211][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7192.513213][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7192.513219][ C2] [ 7206.301333][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4951749 jiffies s: 68525 root: 0x4/. [ 7206.301697][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7206.301964][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7206.302130][ C2] NMI backtrace for cpu 2 [ 7206.302135][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7206.302140][ C2] Tainted: [L]=SOFTLOCKUP [ 7206.302141][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7206.302143][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7206.302149][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7206.302153][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7206.302156][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7206.302158][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7206.302160][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7206.302162][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7206.302165][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7206.302167][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7206.302169][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7206.302173][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7206.302175][ C2] PKRU: 55555554 [ 7206.302176][ C2] Call Trace: [ 7206.302178][ C2] [ 7206.302181][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7206.302188][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7206.302192][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7206.302195][ C2] ? lock_acquire+0x10c/0x170 [ 7206.302198][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7206.302203][ C2] mptcp_try_fallback+0x14b/0x360 [ 7206.302207][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7206.302213][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7206.302216][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7206.302219][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7206.302224][ C2] __mptcp_retrans+0x42a/0x960 [ 7206.302230][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7206.302235][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7206.302240][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7206.302247][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7206.302250][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7206.302254][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7206.302256][ C2] ? lock_acquire+0x10c/0x170 [ 7206.302259][ C2] ? release_sock+0x1f/0x1d0 [ 7206.302264][ C2] release_sock+0x17f/0x1d0 [ 7206.302268][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7206.302275][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7206.302279][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7206.302283][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7206.302287][ C2] ? find_held_lock+0x2b/0x80 [ 7206.302291][ C2] sock_write_iter+0x3c1/0x520 [ 7206.302295][ C2] ? __up_write+0x1ad/0x530 [ 7206.302299][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7206.302306][ C2] ? ksys_write+0xf7/0x1d0 [ 7206.302311][ C2] vfs_write+0xc0c/0x1210 [ 7206.302316][ C2] ? ksys_write+0x137/0x1d0 [ 7206.302319][ C2] ? __lock_release+0x5d/0x170 [ 7206.302323][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7206.302327][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7206.302334][ C2] ksys_write+0x183/0x1d0 [ 7206.302338][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7206.302341][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7206.302346][ C2] do_syscall_64+0xc1/0x380 [ 7206.302350][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7206.302353][ C2] RIP: 0033:0x7f471c970337 [ 7206.302358][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7206.302360][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7206.302363][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7206.302365][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7206.302367][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7206.302370][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7206.302372][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7206.302378][ C2] [ 7232.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4664s! [mptcp_connect:16956] [ 7232.512938][ 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 [ 7232.512951][ C2] irq event stamp: 64230 [ 7232.512953][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7232.512959][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7232.512963][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7232.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7232.512973][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7232.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 7232.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7232.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7232.512986][ 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 [ 7232.512990][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7232.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7232.512995][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7232.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7232.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7232.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7232.513004][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7232.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7232.513010][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7232.513012][ C2] PKRU: 55555554 [ 7232.513013][ C2] Call Trace: [ 7232.513015][ C2] [ 7232.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7232.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7232.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7232.513033][ C2] ? lock_acquire+0x10c/0x170 [ 7232.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7232.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 7232.513045][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7232.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7232.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7232.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7232.513062][ C2] __mptcp_retrans+0x42a/0x960 [ 7232.513068][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7232.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7232.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7232.513087][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7232.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7232.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7232.513096][ C2] ? lock_acquire+0x10c/0x170 [ 7232.513099][ C2] ? release_sock+0x1f/0x1d0 [ 7232.513104][ C2] release_sock+0x17f/0x1d0 [ 7232.513108][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7232.513116][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7232.513119][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7232.513124][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7232.513128][ C2] ? find_held_lock+0x2b/0x80 [ 7232.513133][ C2] sock_write_iter+0x3c1/0x520 [ 7232.513137][ C2] ? __up_write+0x1ad/0x530 [ 7232.513141][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7232.513147][ C2] ? ksys_write+0xf7/0x1d0 [ 7232.513153][ C2] vfs_write+0xc0c/0x1210 [ 7232.513156][ C2] ? ksys_write+0x137/0x1d0 [ 7232.513159][ C2] ? __lock_release+0x5d/0x170 [ 7232.513163][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7232.513167][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7232.513174][ C2] ksys_write+0x183/0x1d0 [ 7232.513178][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7232.513181][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7232.513187][ C2] do_syscall_64+0xc1/0x380 [ 7232.513191][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7232.513194][ C2] RIP: 0033:0x7f471c970337 [ 7232.513199][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7232.513200][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7232.513203][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7232.513206][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7232.513208][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7232.513210][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7232.513212][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7232.513219][ C2] [ 7242.709319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7242.709773][ C2] rcu: 2-....: (5014180 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2160946 [ 7242.710151][ C2] rcu: (t=5018192 jiffies g=1286133 q=89020 ncpus=4) [ 7242.710382][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7242.710387][ C2] Tainted: [L]=SOFTLOCKUP [ 7242.710388][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7242.710390][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7242.710396][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7242.710400][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7242.710403][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7242.710405][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7242.710408][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7242.710410][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7242.710411][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7242.710414][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7242.710417][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7242.710420][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7242.710422][ C2] PKRU: 55555554 [ 7242.710424][ C2] Call Trace: [ 7242.710425][ C2] [ 7242.710427][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7242.710435][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7242.710438][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7242.710441][ C2] ? lock_acquire+0x10c/0x170 [ 7242.710445][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7242.710450][ C2] mptcp_try_fallback+0x14b/0x360 [ 7242.710454][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7242.710460][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7242.710463][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7242.710465][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7242.710471][ C2] __mptcp_retrans+0x42a/0x960 [ 7242.710477][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7242.710482][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7242.710488][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7242.710495][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7242.710497][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7242.710501][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7242.710504][ C2] ? lock_acquire+0x10c/0x170 [ 7242.710507][ C2] ? release_sock+0x1f/0x1d0 [ 7242.710512][ C2] release_sock+0x17f/0x1d0 [ 7242.710516][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7242.710523][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7242.710526][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7242.710531][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7242.710535][ C2] ? find_held_lock+0x2b/0x80 [ 7242.710539][ C2] sock_write_iter+0x3c1/0x520 [ 7242.710542][ C2] ? __up_write+0x1ad/0x530 [ 7242.710546][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7242.710553][ C2] ? ksys_write+0xf7/0x1d0 [ 7242.710558][ C2] vfs_write+0xc0c/0x1210 [ 7242.710562][ C2] ? ksys_write+0x137/0x1d0 [ 7242.710564][ C2] ? __lock_release+0x5d/0x170 [ 7242.710569][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7242.710572][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7242.710580][ C2] ksys_write+0x183/0x1d0 [ 7242.710583][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7242.710586][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7242.710592][ C2] do_syscall_64+0xc1/0x380 [ 7242.710595][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7242.710598][ C2] RIP: 0033:0x7f471c970337 [ 7242.710603][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7242.710605][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7242.710608][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7242.710610][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7242.710612][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7242.710614][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7242.710616][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7242.710622][ C2] [ 7268.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4698s! [mptcp_connect:16956] [ 7268.512938][ 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 [ 7268.512951][ C2] irq event stamp: 64230 [ 7268.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7268.512959][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7268.512963][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7268.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7268.512973][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7268.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 7268.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7268.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7268.512986][ 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 [ 7268.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7268.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7268.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7268.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7268.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7268.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7268.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7268.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7268.513010][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7268.513012][ C2] PKRU: 55555554 [ 7268.513013][ C2] Call Trace: [ 7268.513015][ C2] [ 7268.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7268.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7268.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7268.513032][ C2] ? lock_acquire+0x10c/0x170 [ 7268.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7268.513040][ C2] mptcp_try_fallback+0x14b/0x360 [ 7268.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7268.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7268.513054][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7268.513057][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7268.513062][ C2] __mptcp_retrans+0x42a/0x960 [ 7268.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7268.513073][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7268.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7268.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7268.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7268.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7268.513095][ C2] ? lock_acquire+0x10c/0x170 [ 7268.513097][ C2] ? release_sock+0x1f/0x1d0 [ 7268.513103][ C2] release_sock+0x17f/0x1d0 [ 7268.513106][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7268.513113][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7268.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7268.513121][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7268.513125][ C2] ? find_held_lock+0x2b/0x80 [ 7268.513129][ C2] sock_write_iter+0x3c1/0x520 [ 7268.513133][ C2] ? __up_write+0x1ad/0x530 [ 7268.513137][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7268.513144][ C2] ? ksys_write+0xf7/0x1d0 [ 7268.513150][ C2] vfs_write+0xc0c/0x1210 [ 7268.513153][ C2] ? ksys_write+0x137/0x1d0 [ 7268.513156][ C2] ? __lock_release+0x5d/0x170 [ 7268.513160][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7268.513164][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7268.513171][ C2] ksys_write+0x183/0x1d0 [ 7268.513175][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7268.513178][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7268.513183][ C2] do_syscall_64+0xc1/0x380 [ 7268.513187][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7268.513191][ C2] RIP: 0033:0x7f471c970337 [ 7268.513195][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7268.513197][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7268.513200][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7268.513203][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7268.513205][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7268.513207][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7268.513209][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7268.513216][ C2] [ 7296.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4724s! [mptcp_connect:16956] [ 7296.512938][ 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 [ 7296.512951][ C2] irq event stamp: 64230 [ 7296.512953][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7296.512959][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7296.512963][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7296.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7296.512973][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7296.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 7296.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7296.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7296.512986][ 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 [ 7296.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7296.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7296.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7296.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7296.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7296.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7296.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7296.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7296.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7296.513011][ C2] PKRU: 55555554 [ 7296.513012][ C2] Call Trace: [ 7296.513014][ C2] [ 7296.513017][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7296.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7296.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7296.513031][ C2] ? lock_acquire+0x10c/0x170 [ 7296.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7296.513040][ C2] mptcp_try_fallback+0x14b/0x360 [ 7296.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7296.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7296.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7296.513056][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7296.513061][ C2] __mptcp_retrans+0x42a/0x960 [ 7296.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7296.513073][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7296.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7296.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7296.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7296.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7296.513094][ C2] ? lock_acquire+0x10c/0x170 [ 7296.513097][ C2] ? release_sock+0x1f/0x1d0 [ 7296.513102][ C2] release_sock+0x17f/0x1d0 [ 7296.513106][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7296.513113][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7296.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7296.513121][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7296.513125][ C2] ? find_held_lock+0x2b/0x80 [ 7296.513130][ C2] sock_write_iter+0x3c1/0x520 [ 7296.513134][ C2] ? __up_write+0x1ad/0x530 [ 7296.513138][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7296.513145][ C2] ? ksys_write+0xf7/0x1d0 [ 7296.513150][ C2] vfs_write+0xc0c/0x1210 [ 7296.513154][ C2] ? ksys_write+0x137/0x1d0 [ 7296.513157][ C2] ? __lock_release+0x5d/0x170 [ 7296.513161][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7296.513165][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7296.513172][ C2] ksys_write+0x183/0x1d0 [ 7296.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7296.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7296.513185][ C2] do_syscall_64+0xc1/0x380 [ 7296.513188][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7296.513192][ C2] RIP: 0033:0x7f471c970337 [ 7296.513197][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7296.513199][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7296.513201][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7296.513204][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7296.513206][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7296.513208][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7296.513210][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7296.513216][ C2] [ 7304.605333][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5050053 jiffies s: 68525 root: 0x4/. [ 7304.605758][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7304.605933][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7304.606085][ C2] NMI backtrace for cpu 2 [ 7304.606090][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7304.606096][ C2] Tainted: [L]=SOFTLOCKUP [ 7304.606097][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7304.606099][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 7304.606106][ 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 [ 7304.606109][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 7304.606112][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 7304.606114][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 7304.606117][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 7304.606119][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 7304.606121][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 7304.606123][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7304.606126][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7304.606129][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7304.606131][ C2] PKRU: 55555554 [ 7304.606133][ C2] Call Trace: [ 7304.606135][ C2] [ 7304.606137][ C2] ioapic_ack_level+0xcf/0x3d0 [ 7304.606146][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 7304.606153][ C2] __common_interrupt+0xad/0x1d0 [ 7304.606161][ C2] common_interrupt+0xb9/0xe0 [ 7304.606166][ C2] [ 7304.606167][ C2] [ 7304.606169][ C2] asm_common_interrupt+0x26/0x40 [ 7304.606173][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 7304.606177][ 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 [ 7304.606180][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7304.606183][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7304.606185][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7304.606187][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7304.606189][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7304.606192][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7304.606196][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 7304.606202][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7304.606209][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7304.606212][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7304.606215][ C2] ? lock_acquire+0x10c/0x170 [ 7304.606218][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7304.606223][ C2] mptcp_try_fallback+0x14b/0x360 [ 7304.606227][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7304.606233][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7304.606236][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7304.606239][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7304.606244][ C2] __mptcp_retrans+0x42a/0x960 [ 7304.606249][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7304.606255][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7304.606260][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7304.606267][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7304.606270][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7304.606273][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7304.606276][ C2] ? lock_acquire+0x10c/0x170 [ 7304.606279][ C2] ? release_sock+0x1f/0x1d0 [ 7304.606284][ C2] release_sock+0x17f/0x1d0 [ 7304.606287][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7304.606295][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7304.606299][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7304.606303][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7304.606307][ C2] ? find_held_lock+0x2b/0x80 [ 7304.606311][ C2] sock_write_iter+0x3c1/0x520 [ 7304.606315][ C2] ? __up_write+0x1ad/0x530 [ 7304.606320][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7304.606327][ C2] ? ksys_write+0xf7/0x1d0 [ 7304.606332][ C2] vfs_write+0xc0c/0x1210 [ 7304.606336][ C2] ? ksys_write+0x137/0x1d0 [ 7304.606339][ C2] ? __lock_release+0x5d/0x170 [ 7304.606343][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7304.606346][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7304.606354][ C2] ksys_write+0x183/0x1d0 [ 7304.606357][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7304.606360][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7304.606365][ C2] do_syscall_64+0xc1/0x380 [ 7304.606369][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7304.606372][ C2] RIP: 0033:0x7f471c970337 [ 7304.606377][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7304.606378][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7304.606382][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7304.606384][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7304.606386][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7304.606388][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7304.606390][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7304.606396][ C2] [ 7320.712318][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7320.712777][ C2] rcu: 2-....: (5092118 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2199925 [ 7320.713158][ C2] rcu: (t=5096195 jiffies g=1286133 q=90446 ncpus=4) [ 7320.713389][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7320.713395][ C2] Tainted: [L]=SOFTLOCKUP [ 7320.713396][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7320.713398][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7320.713403][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7320.713407][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7320.713410][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7320.713412][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7320.713414][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7320.713416][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7320.713418][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7320.713420][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7320.713423][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7320.713427][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7320.713429][ C2] PKRU: 55555554 [ 7320.713430][ C2] Call Trace: [ 7320.713431][ C2] [ 7320.713433][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7320.713441][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7320.713445][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7320.713447][ C2] ? lock_acquire+0x10c/0x170 [ 7320.713451][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7320.713456][ C2] mptcp_try_fallback+0x14b/0x360 [ 7320.713460][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7320.713466][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7320.713468][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7320.713471][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7320.713476][ C2] __mptcp_retrans+0x42a/0x960 [ 7320.713482][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7320.713487][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7320.713492][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7320.713499][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7320.713502][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7320.713505][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7320.713508][ C2] ? lock_acquire+0x10c/0x170 [ 7320.713512][ C2] ? release_sock+0x1f/0x1d0 [ 7320.713517][ C2] release_sock+0x17f/0x1d0 [ 7320.713520][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7320.713528][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7320.713532][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7320.713536][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7320.713541][ C2] ? find_held_lock+0x2b/0x80 [ 7320.713545][ C2] sock_write_iter+0x3c1/0x520 [ 7320.713549][ C2] ? __up_write+0x1ad/0x530 [ 7320.713553][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7320.713559][ C2] ? ksys_write+0xf7/0x1d0 [ 7320.713565][ C2] vfs_write+0xc0c/0x1210 [ 7320.713568][ C2] ? ksys_write+0x137/0x1d0 [ 7320.713570][ C2] ? __lock_release+0x5d/0x170 [ 7320.713574][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7320.713578][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7320.713585][ C2] ksys_write+0x183/0x1d0 [ 7320.713589][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7320.713592][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7320.713597][ C2] do_syscall_64+0xc1/0x380 [ 7320.713601][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7320.713604][ C2] RIP: 0033:0x7f471c970337 [ 7320.713609][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7320.713610][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7320.713614][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7320.713616][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7320.713618][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7320.713620][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7320.713622][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7320.713628][ C2] [ 7348.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4772s! [mptcp_connect:16956] [ 7348.512937][ 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 [ 7348.512950][ C2] irq event stamp: 64230 [ 7348.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7348.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7348.512960][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7348.512965][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7348.512970][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7348.512975][ C2] Tainted: [L]=SOFTLOCKUP [ 7348.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7348.512979][ C2] RIP: 0010:kasan_check_range+0x54/0x1c0 [ 7348.512984][ C2] Code: 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 df 4d 89 d1 48 [ 7348.512988][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000212 [ 7348.512990][ C2] RAX: ffff7fffffffffff RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7348.512993][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7348.512995][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7348.512997][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7348.512999][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7348.513001][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7348.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7348.513008][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7348.513010][ C2] PKRU: 55555554 [ 7348.513011][ C2] Call Trace: [ 7348.513013][ C2] [ 7348.513015][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7348.513020][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7348.513027][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7348.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7348.513034][ C2] ? lock_acquire+0x10c/0x170 [ 7348.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7348.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 7348.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7348.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7348.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7348.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7348.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 7348.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7348.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7348.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7348.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7348.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7348.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7348.513095][ C2] ? lock_acquire+0x10c/0x170 [ 7348.513098][ C2] ? release_sock+0x1f/0x1d0 [ 7348.513103][ C2] release_sock+0x17f/0x1d0 [ 7348.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7348.513114][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7348.513118][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7348.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7348.513127][ C2] ? find_held_lock+0x2b/0x80 [ 7348.513131][ C2] sock_write_iter+0x3c1/0x520 [ 7348.513135][ C2] ? __up_write+0x1ad/0x530 [ 7348.513139][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7348.513146][ C2] ? ksys_write+0xf7/0x1d0 [ 7348.513152][ C2] vfs_write+0xc0c/0x1210 [ 7348.513155][ C2] ? ksys_write+0x137/0x1d0 [ 7348.513158][ C2] ? __lock_release+0x5d/0x170 [ 7348.513162][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7348.513166][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7348.513174][ C2] ksys_write+0x183/0x1d0 [ 7348.513177][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7348.513180][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7348.513186][ C2] do_syscall_64+0xc1/0x380 [ 7348.513190][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7348.513193][ C2] RIP: 0033:0x7f471c970337 [ 7348.513198][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7348.513199][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7348.513203][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7348.513205][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7348.513207][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7348.513210][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7348.513212][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7348.513218][ C2] [ 7376.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4798s! [mptcp_connect:16956] [ 7376.512937][ 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 [ 7376.512949][ C2] irq event stamp: 64230 [ 7376.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7376.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7376.512961][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7376.512965][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7376.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7376.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 7376.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7376.512979][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 7376.512984][ 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 [ 7376.512987][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 7376.512990][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7376.512993][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7376.512995][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7376.512997][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7376.512999][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7376.513001][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7376.513003][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7376.513007][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7376.513009][ C2] PKRU: 55555554 [ 7376.513010][ C2] Call Trace: [ 7376.513012][ C2] [ 7376.513014][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7376.513019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7376.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7376.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7376.513032][ C2] ? lock_acquire+0x10c/0x170 [ 7376.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7376.513040][ C2] mptcp_try_fallback+0x14b/0x360 [ 7376.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7376.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7376.513054][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7376.513057][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7376.513062][ C2] __mptcp_retrans+0x42a/0x960 [ 7376.513068][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7376.513073][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7376.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7376.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7376.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7376.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7376.513094][ C2] ? lock_acquire+0x10c/0x170 [ 7376.513097][ C2] ? release_sock+0x1f/0x1d0 [ 7376.513102][ C2] release_sock+0x17f/0x1d0 [ 7376.513106][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7376.513113][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7376.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7376.513121][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7376.513125][ C2] ? find_held_lock+0x2b/0x80 [ 7376.513130][ C2] sock_write_iter+0x3c1/0x520 [ 7376.513133][ C2] ? __up_write+0x1ad/0x530 [ 7376.513137][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7376.513144][ C2] ? ksys_write+0xf7/0x1d0 [ 7376.513149][ C2] vfs_write+0xc0c/0x1210 [ 7376.513153][ C2] ? ksys_write+0x137/0x1d0 [ 7376.513156][ C2] ? __lock_release+0x5d/0x170 [ 7376.513160][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7376.513164][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7376.513171][ C2] ksys_write+0x183/0x1d0 [ 7376.513175][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7376.513177][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7376.513183][ C2] do_syscall_64+0xc1/0x380 [ 7376.513186][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7376.513190][ C2] RIP: 0033:0x7f471c970337 [ 7376.513195][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7376.513196][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7376.513199][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7376.513202][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7376.513204][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7376.513206][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7376.513208][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7376.513214][ C2] [ 7398.715319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7398.715681][ C2] rcu: 2-....: (5170074 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2238911 [ 7398.716055][ C2] rcu: (t=5174198 jiffies g=1286133 q=91475 ncpus=4) [ 7398.716408][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7398.716414][ C2] Tainted: [L]=SOFTLOCKUP [ 7398.716416][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7398.716418][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7398.716425][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7398.716429][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7398.716432][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7398.716434][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7398.716437][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7398.716439][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7398.716441][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7398.716443][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7398.716445][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7398.716449][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7398.716451][ C2] PKRU: 55555554 [ 7398.716452][ C2] Call Trace: [ 7398.716454][ C2] [ 7398.716456][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7398.716464][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7398.716467][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7398.716470][ C2] ? lock_acquire+0x10c/0x170 [ 7398.716474][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7398.716479][ C2] mptcp_try_fallback+0x14b/0x360 [ 7398.716483][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7398.716489][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7398.716492][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7398.716495][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7398.716499][ C2] __mptcp_retrans+0x42a/0x960 [ 7398.716505][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7398.716511][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7398.716517][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7398.716524][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7398.716527][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7398.716530][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7398.716533][ C2] ? lock_acquire+0x10c/0x170 [ 7398.716536][ C2] ? release_sock+0x1f/0x1d0 [ 7398.716541][ C2] release_sock+0x17f/0x1d0 [ 7398.716545][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7398.716552][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7398.716556][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7398.716560][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7398.716565][ C2] ? find_held_lock+0x2b/0x80 [ 7398.716569][ C2] sock_write_iter+0x3c1/0x520 [ 7398.716573][ C2] ? __up_write+0x1ad/0x530 [ 7398.716577][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7398.716584][ C2] ? ksys_write+0xf7/0x1d0 [ 7398.716589][ C2] vfs_write+0xc0c/0x1210 [ 7398.716592][ C2] ? ksys_write+0x137/0x1d0 [ 7398.716595][ C2] ? __lock_release+0x5d/0x170 [ 7398.716599][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7398.716603][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7398.716611][ C2] ksys_write+0x183/0x1d0 [ 7398.716614][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7398.716617][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7398.716623][ C2] do_syscall_64+0xc1/0x380 [ 7398.716627][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7398.716631][ C2] RIP: 0033:0x7f471c970337 [ 7398.716636][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7398.716638][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7398.716641][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7398.716643][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7398.716645][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7398.716647][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7398.716650][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7398.716656][ C2] [ 7402.909334][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5148357 jiffies s: 68525 root: 0x4/. [ 7402.909835][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7402.910016][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7402.910181][ C2] NMI backtrace for cpu 2 [ 7402.910187][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7402.910192][ C2] Tainted: [L]=SOFTLOCKUP [ 7402.910194][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7402.910195][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 7402.910202][ 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 [ 7402.910205][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 7402.910209][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 7402.910211][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 7402.910213][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 7402.910215][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 7402.910218][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 7402.910219][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7402.910222][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7402.910225][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7402.910228][ C2] PKRU: 55555554 [ 7402.910229][ C2] Call Trace: [ 7402.910231][ C2] [ 7402.910233][ C2] ioapic_ack_level+0xcf/0x3d0 [ 7402.910242][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 7402.910249][ C2] __common_interrupt+0xad/0x1d0 [ 7402.910256][ C2] common_interrupt+0xb9/0xe0 [ 7402.910261][ C2] [ 7402.910262][ C2] [ 7402.910264][ C2] asm_common_interrupt+0x26/0x40 [ 7402.910268][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7402.910273][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7402.910275][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7402.910278][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7402.910280][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7402.910282][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7402.910284][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7402.910287][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7402.910291][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 7402.910297][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7402.910304][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7402.910308][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7402.910310][ C2] ? lock_acquire+0x10c/0x170 [ 7402.910314][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7402.910321][ C2] mptcp_try_fallback+0x14b/0x360 [ 7402.910324][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7402.910331][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7402.910333][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7402.910336][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7402.910341][ C2] __mptcp_retrans+0x42a/0x960 [ 7402.910347][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7402.910352][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7402.910357][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7402.910364][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7402.910367][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7402.910371][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7402.910374][ C2] ? lock_acquire+0x10c/0x170 [ 7402.910377][ C2] ? release_sock+0x1f/0x1d0 [ 7402.910382][ C2] release_sock+0x17f/0x1d0 [ 7402.910386][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7402.910393][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7402.910397][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7402.910401][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7402.910405][ C2] ? find_held_lock+0x2b/0x80 [ 7402.910409][ C2] sock_write_iter+0x3c1/0x520 [ 7402.910413][ C2] ? __up_write+0x1ad/0x530 [ 7402.910417][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7402.910424][ C2] ? ksys_write+0xf7/0x1d0 [ 7402.910430][ C2] vfs_write+0xc0c/0x1210 [ 7402.910433][ C2] ? ksys_write+0x137/0x1d0 [ 7402.910436][ C2] ? __lock_release+0x5d/0x170 [ 7402.910440][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7402.910444][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7402.910451][ C2] ksys_write+0x183/0x1d0 [ 7402.910455][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7402.910458][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7402.910463][ C2] do_syscall_64+0xc1/0x380 [ 7402.910467][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7402.910470][ C2] RIP: 0033:0x7f471c970337 [ 7402.910475][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7402.910476][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7402.910479][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7402.910482][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7402.910484][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7402.910486][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7402.910488][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7402.910494][ C2] [ 7428.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4847s! [mptcp_connect:16956] [ 7428.512937][ 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 [ 7428.512951][ C2] irq event stamp: 64230 [ 7428.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7428.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7428.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7428.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7428.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7428.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 7428.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7428.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7428.512984][ 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 [ 7428.512988][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7428.512990][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7428.512993][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7428.512995][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7428.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7428.512999][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7428.513002][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7428.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7428.513008][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7428.513010][ C2] PKRU: 55555554 [ 7428.513012][ C2] Call Trace: [ 7428.513014][ C2] [ 7428.513017][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7428.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7428.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7428.513031][ C2] ? lock_acquire+0x10c/0x170 [ 7428.513034][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7428.513039][ C2] mptcp_try_fallback+0x14b/0x360 [ 7428.513043][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7428.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7428.513052][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7428.513055][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7428.513060][ C2] __mptcp_retrans+0x42a/0x960 [ 7428.513066][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7428.513072][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7428.513077][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7428.513084][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7428.513087][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7428.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7428.513094][ C2] ? lock_acquire+0x10c/0x170 [ 7428.513097][ C2] ? release_sock+0x1f/0x1d0 [ 7428.513102][ C2] release_sock+0x17f/0x1d0 [ 7428.513106][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7428.513114][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7428.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7428.513121][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7428.513126][ C2] ? find_held_lock+0x2b/0x80 [ 7428.513131][ C2] sock_write_iter+0x3c1/0x520 [ 7428.513135][ C2] ? __up_write+0x1ad/0x530 [ 7428.513139][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7428.513146][ C2] ? ksys_write+0xf7/0x1d0 [ 7428.513151][ C2] vfs_write+0xc0c/0x1210 [ 7428.513155][ C2] ? ksys_write+0x137/0x1d0 [ 7428.513158][ C2] ? __lock_release+0x5d/0x170 [ 7428.513161][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7428.513165][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7428.513172][ C2] ksys_write+0x183/0x1d0 [ 7428.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7428.513178][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7428.513184][ C2] do_syscall_64+0xc1/0x380 [ 7428.513188][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7428.513192][ C2] RIP: 0033:0x7f471c970337 [ 7428.513196][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7428.513198][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7428.513201][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7428.513203][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7428.513206][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7428.513208][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7428.513210][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7428.513216][ C2] [ 7456.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4873s! [mptcp_connect:16956] [ 7456.512937][ 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 [ 7456.512950][ C2] irq event stamp: 64230 [ 7456.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7456.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7456.512961][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7456.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7456.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7456.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 7456.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7456.512980][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 7456.512985][ C2] Code: c7 c7 40 05 87 a3 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 [ 7456.512988][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 7456.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7456.512993][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7456.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7456.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7456.513000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7456.513002][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7456.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7456.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7456.513011][ C2] PKRU: 55555554 [ 7456.513012][ C2] Call Trace: [ 7456.513014][ C2] [ 7456.513015][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7456.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7456.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7456.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7456.513035][ C2] ? lock_acquire+0x10c/0x170 [ 7456.513038][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7456.513043][ C2] mptcp_try_fallback+0x14b/0x360 [ 7456.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7456.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7456.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7456.513059][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7456.513064][ C2] __mptcp_retrans+0x42a/0x960 [ 7456.513070][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7456.513075][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7456.513081][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7456.513088][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7456.513091][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7456.513094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7456.513097][ C2] ? lock_acquire+0x10c/0x170 [ 7456.513100][ C2] ? release_sock+0x1f/0x1d0 [ 7456.513105][ C2] release_sock+0x17f/0x1d0 [ 7456.513109][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7456.513116][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7456.513120][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7456.513124][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7456.513128][ C2] ? find_held_lock+0x2b/0x80 [ 7456.513132][ C2] sock_write_iter+0x3c1/0x520 [ 7456.513136][ C2] ? __up_write+0x1ad/0x530 [ 7456.513140][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7456.513147][ C2] ? ksys_write+0xf7/0x1d0 [ 7456.513152][ C2] vfs_write+0xc0c/0x1210 [ 7456.513156][ C2] ? ksys_write+0x137/0x1d0 [ 7456.513158][ C2] ? __lock_release+0x5d/0x170 [ 7456.513163][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7456.513166][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7456.513174][ C2] ksys_write+0x183/0x1d0 [ 7456.513177][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7456.513180][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7456.513186][ C2] do_syscall_64+0xc1/0x380 [ 7456.513190][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7456.513193][ C2] RIP: 0033:0x7f471c970337 [ 7456.513197][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7456.513199][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7456.513202][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7456.513205][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7456.513207][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7456.513209][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7456.513211][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7456.513217][ C2] [ 7476.718318][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7476.718651][ C2] rcu: 2-....: (5248012 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2277887 [ 7476.719144][ C2] rcu: (t=5252201 jiffies g=1286133 q=92904 ncpus=4) [ 7476.719378][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7476.719383][ C2] Tainted: [L]=SOFTLOCKUP [ 7476.719385][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7476.719387][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 7476.719392][ 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 [ 7476.719396][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7476.719399][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7476.719402][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7476.719404][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7476.719406][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7476.719408][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7476.719410][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7476.719413][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7476.719416][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7476.719418][ C2] PKRU: 55555554 [ 7476.719420][ C2] Call Trace: [ 7476.719421][ C2] [ 7476.719423][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7476.719431][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7476.719435][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7476.719437][ C2] ? lock_acquire+0x10c/0x170 [ 7476.719441][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7476.719446][ C2] mptcp_try_fallback+0x14b/0x360 [ 7476.719450][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7476.719456][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7476.719459][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7476.719462][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7476.719467][ C2] __mptcp_retrans+0x42a/0x960 [ 7476.719472][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7476.719477][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7476.719482][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7476.719489][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7476.719492][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7476.719496][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7476.719499][ C2] ? lock_acquire+0x10c/0x170 [ 7476.719502][ C2] ? release_sock+0x1f/0x1d0 [ 7476.719507][ C2] release_sock+0x17f/0x1d0 [ 7476.719510][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7476.719517][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7476.719521][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7476.719525][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7476.719529][ C2] ? find_held_lock+0x2b/0x80 [ 7476.719533][ C2] sock_write_iter+0x3c1/0x520 [ 7476.719537][ C2] ? __up_write+0x1ad/0x530 [ 7476.719541][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7476.719547][ C2] ? ksys_write+0xf7/0x1d0 [ 7476.719553][ C2] vfs_write+0xc0c/0x1210 [ 7476.719556][ C2] ? ksys_write+0x137/0x1d0 [ 7476.719559][ C2] ? __lock_release+0x5d/0x170 [ 7476.719563][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7476.719567][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7476.719574][ C2] ksys_write+0x183/0x1d0 [ 7476.719578][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7476.719580][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7476.719586][ C2] do_syscall_64+0xc1/0x380 [ 7476.719590][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7476.719593][ C2] RIP: 0033:0x7f471c970337 [ 7476.719597][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7476.719599][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7476.719602][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7476.719604][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7476.719606][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7476.719608][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7476.719610][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7476.719616][ C2] [ 7501.213336][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5246661 jiffies s: 68525 root: 0x4/. [ 7501.213857][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7501.214040][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7501.214195][ C2] NMI backtrace for cpu 2 [ 7501.214200][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7501.214206][ C2] Tainted: [L]=SOFTLOCKUP [ 7501.214207][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7501.214209][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 7501.214216][ 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 [ 7501.214220][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 7501.214223][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 7501.214225][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 7501.214228][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 7501.214230][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 7501.214232][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 7501.214234][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7501.214237][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7501.214240][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7501.214243][ C2] PKRU: 55555554 [ 7501.214244][ C2] Call Trace: [ 7501.214246][ C2] [ 7501.214248][ C2] ioapic_ack_level+0xcf/0x3d0 [ 7501.214257][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 7501.214265][ C2] __common_interrupt+0xad/0x1d0 [ 7501.214272][ C2] common_interrupt+0xb9/0xe0 [ 7501.214276][ C2] [ 7501.214278][ C2] [ 7501.214280][ C2] asm_common_interrupt+0x26/0x40 [ 7501.214284][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7501.214288][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7501.214291][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7501.214294][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7501.214296][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7501.214298][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7501.214300][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7501.214302][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7501.214307][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 7501.214313][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7501.214321][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7501.214325][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7501.214328][ C2] ? lock_acquire+0x10c/0x170 [ 7501.214332][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7501.214337][ C2] mptcp_try_fallback+0x14b/0x360 [ 7501.214341][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7501.214348][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7501.214350][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7501.214354][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7501.214359][ C2] __mptcp_retrans+0x42a/0x960 [ 7501.214364][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7501.214370][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7501.214375][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7501.214382][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7501.214385][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7501.214388][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7501.214391][ C2] ? lock_acquire+0x10c/0x170 [ 7501.214394][ C2] ? release_sock+0x1f/0x1d0 [ 7501.214399][ C2] release_sock+0x17f/0x1d0 [ 7501.214403][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7501.214411][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7501.214414][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7501.214419][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7501.214423][ C2] ? find_held_lock+0x2b/0x80 [ 7501.214427][ C2] sock_write_iter+0x3c1/0x520 [ 7501.214432][ C2] ? __up_write+0x1ad/0x530 [ 7501.214436][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7501.214443][ C2] ? ksys_write+0xf7/0x1d0 [ 7501.214449][ C2] vfs_write+0xc0c/0x1210 [ 7501.214452][ C2] ? ksys_write+0x137/0x1d0 [ 7501.214455][ C2] ? __lock_release+0x5d/0x170 [ 7501.214459][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7501.214463][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7501.214470][ C2] ksys_write+0x183/0x1d0 [ 7501.214473][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7501.214475][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7501.214481][ C2] do_syscall_64+0xc1/0x380 [ 7501.214485][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7501.214488][ C2] RIP: 0033:0x7f471c970337 [ 7501.214492][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7501.214494][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7501.214497][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7501.214500][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7501.214502][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7501.214504][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7501.214506][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7501.214512][ C2] [ 7528.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4940s! [mptcp_connect:16956] [ 7528.512938][ 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 [ 7528.512953][ C2] irq event stamp: 64230 [ 7528.512954][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7528.512960][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7528.512965][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7528.512969][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7528.512975][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7528.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 7528.512982][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7528.512984][ C2] RIP: 0010:kasan_check_range+0x74/0x1c0 [ 7528.512989][ 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 [ 7528.512992][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000286 [ 7528.512995][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7528.512997][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7528.512999][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: 1ffff1100170bd66 [ 7528.513002][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7528.513004][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7528.513006][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7528.513009][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7528.513012][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7528.513015][ C2] PKRU: 55555554 [ 7528.513016][ C2] Call Trace: [ 7528.513018][ C2] [ 7528.513021][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7528.513027][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7528.513034][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7528.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7528.513041][ C2] ? lock_acquire+0x10c/0x170 [ 7528.513045][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7528.513050][ C2] mptcp_try_fallback+0x14b/0x360 [ 7528.513054][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7528.513060][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7528.513063][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7528.513066][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7528.513071][ C2] __mptcp_retrans+0x42a/0x960 [ 7528.513077][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7528.513082][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7528.513087][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7528.513094][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7528.513097][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7528.513100][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7528.513103][ C2] ? lock_acquire+0x10c/0x170 [ 7528.513106][ C2] ? release_sock+0x1f/0x1d0 [ 7528.513111][ C2] release_sock+0x17f/0x1d0 [ 7528.513115][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7528.513122][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7528.513126][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7528.513130][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7528.513135][ C2] ? find_held_lock+0x2b/0x80 [ 7528.513139][ C2] sock_write_iter+0x3c1/0x520 [ 7528.513144][ C2] ? __up_write+0x1ad/0x530 [ 7528.513148][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7528.513155][ C2] ? ksys_write+0xf7/0x1d0 [ 7528.513160][ C2] vfs_write+0xc0c/0x1210 [ 7528.513163][ C2] ? ksys_write+0x137/0x1d0 [ 7528.513166][ C2] ? __lock_release+0x5d/0x170 [ 7528.513170][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7528.513174][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7528.513181][ C2] ksys_write+0x183/0x1d0 [ 7528.513184][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7528.513187][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7528.513194][ C2] do_syscall_64+0xc1/0x380 [ 7528.513198][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7528.513201][ C2] RIP: 0033:0x7f471c970337 [ 7528.513206][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7528.513208][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7528.513211][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7528.513213][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7528.513216][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7528.513218][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7528.513220][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7528.513226][ C2] [ 7554.721320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7554.721713][ C2] rcu: 2-....: (5325966 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2316871 [ 7554.722220][ C2] rcu: (t=5330204 jiffies g=1286133 q=93981 ncpus=4) [ 7554.722454][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7554.722461][ C2] Tainted: [L]=SOFTLOCKUP [ 7554.722463][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7554.722465][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7554.722477][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7554.722480][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7554.722484][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7554.722487][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7554.722489][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7554.722491][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7554.722493][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7554.722496][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7554.722498][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7554.722502][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7554.722504][ C2] PKRU: 55555554 [ 7554.722506][ C2] Call Trace: [ 7554.722507][ C2] [ 7554.722510][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7554.722518][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7554.722523][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7554.722525][ C2] ? lock_acquire+0x10c/0x170 [ 7554.722530][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7554.722538][ C2] mptcp_try_fallback+0x14b/0x360 [ 7554.722542][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7554.722548][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7554.722551][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7554.722554][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7554.722559][ C2] __mptcp_retrans+0x42a/0x960 [ 7554.722565][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7554.722570][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7554.722579][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7554.722587][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7554.722590][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7554.722593][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7554.722596][ C2] ? lock_acquire+0x10c/0x170 [ 7554.722599][ C2] ? release_sock+0x1f/0x1d0 [ 7554.722606][ C2] release_sock+0x17f/0x1d0 [ 7554.722610][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7554.722617][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7554.722621][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7554.722625][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7554.722632][ C2] ? find_held_lock+0x2b/0x80 [ 7554.722636][ C2] sock_write_iter+0x3c1/0x520 [ 7554.722642][ C2] ? __up_write+0x1ad/0x530 [ 7554.722648][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7554.722654][ C2] ? ksys_write+0xf7/0x1d0 [ 7554.722662][ C2] vfs_write+0xc0c/0x1210 [ 7554.722665][ C2] ? ksys_write+0x137/0x1d0 [ 7554.722668][ C2] ? __lock_release+0x5d/0x170 [ 7554.722672][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7554.722675][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7554.722683][ C2] ksys_write+0x183/0x1d0 [ 7554.722686][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7554.722689][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7554.722697][ C2] do_syscall_64+0xc1/0x380 [ 7554.722702][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7554.722706][ C2] RIP: 0033:0x7f471c970337 [ 7554.722715][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7554.722717][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7554.722720][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7554.722722][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7554.722725][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7554.722727][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7554.722729][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7554.722735][ C2] [ 7580.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 4988s! [mptcp_connect:16956] [ 7580.512947][ 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 [ 7580.512966][ C2] irq event stamp: 64230 [ 7580.512968][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7580.512980][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7580.512985][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7580.512992][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7580.513000][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7580.513006][ C2] Tainted: [L]=SOFTLOCKUP [ 7580.513008][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7580.513010][ C2] RIP: 0010:kasan_check_range+0x74/0x1c0 [ 7580.513019][ 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 [ 7580.513023][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000286 [ 7580.513026][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7580.513029][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7580.513032][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: 1ffff1100170bd66 [ 7580.513034][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7580.513036][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7580.513039][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7580.513041][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7580.513046][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7580.513048][ C2] PKRU: 55555554 [ 7580.513050][ C2] Call Trace: [ 7580.513053][ C2] [ 7580.513058][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7580.513064][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7580.513072][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7580.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7580.513080][ C2] ? lock_acquire+0x10c/0x170 [ 7580.513085][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7580.513090][ C2] mptcp_try_fallback+0x14b/0x360 [ 7580.513095][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7580.513102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7580.513105][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7580.513108][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7580.513112][ C2] __mptcp_retrans+0x42a/0x960 [ 7580.513119][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7580.513124][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7580.513133][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7580.513140][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7580.513143][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7580.513146][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7580.513149][ C2] ? lock_acquire+0x10c/0x170 [ 7580.513152][ C2] ? release_sock+0x1f/0x1d0 [ 7580.513160][ C2] release_sock+0x17f/0x1d0 [ 7580.513164][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7580.513172][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7580.513176][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7580.513180][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7580.513186][ C2] ? find_held_lock+0x2b/0x80 [ 7580.513191][ C2] sock_write_iter+0x3c1/0x520 [ 7580.513198][ C2] ? __up_write+0x1ad/0x530 [ 7580.513204][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7580.513211][ C2] ? ksys_write+0xf7/0x1d0 [ 7580.513218][ C2] vfs_write+0xc0c/0x1210 [ 7580.513222][ C2] ? ksys_write+0x137/0x1d0 [ 7580.513225][ C2] ? __lock_release+0x5d/0x170 [ 7580.513229][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7580.513232][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7580.513240][ C2] ksys_write+0x183/0x1d0 [ 7580.513243][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7580.513246][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7580.513254][ C2] do_syscall_64+0xc1/0x380 [ 7580.513259][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7580.513264][ C2] RIP: 0033:0x7f471c970337 [ 7580.513274][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7580.513276][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7580.513279][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7580.513281][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7580.513284][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7580.513286][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7580.513288][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7580.513294][ C2] [ 7599.517336][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5344965 jiffies s: 68525 root: 0x4/. [ 7599.517839][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7599.518026][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7599.518181][ C2] NMI backtrace for cpu 2 [ 7599.518187][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7599.518192][ C2] Tainted: [L]=SOFTLOCKUP [ 7599.518194][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7599.518196][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 7599.518204][ 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 [ 7599.518207][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7599.518211][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7599.518213][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7599.518215][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7599.518217][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7599.518220][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7599.518222][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7599.518225][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7599.518228][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7599.518230][ C2] PKRU: 55555554 [ 7599.518231][ C2] Call Trace: [ 7599.518233][ C2] [ 7599.518237][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7599.518244][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7599.518248][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7599.518251][ C2] ? lock_acquire+0x10c/0x170 [ 7599.518256][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7599.518262][ C2] mptcp_try_fallback+0x14b/0x360 [ 7599.518266][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7599.518273][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7599.518275][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7599.518278][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7599.518284][ C2] __mptcp_retrans+0x42a/0x960 [ 7599.518289][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7599.518294][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7599.518301][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7599.518308][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7599.518310][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7599.518314][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7599.518318][ C2] ? lock_acquire+0x10c/0x170 [ 7599.518321][ C2] ? release_sock+0x1f/0x1d0 [ 7599.518326][ C2] release_sock+0x17f/0x1d0 [ 7599.518330][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7599.518337][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7599.518341][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7599.518346][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7599.518350][ C2] ? find_held_lock+0x2b/0x80 [ 7599.518354][ C2] sock_write_iter+0x3c1/0x520 [ 7599.518359][ C2] ? __up_write+0x1ad/0x530 [ 7599.518363][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7599.518370][ C2] ? ksys_write+0xf7/0x1d0 [ 7599.518376][ C2] vfs_write+0xc0c/0x1210 [ 7599.518379][ C2] ? ksys_write+0x137/0x1d0 [ 7599.518382][ C2] ? __lock_release+0x5d/0x170 [ 7599.518386][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7599.518390][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7599.518397][ C2] ksys_write+0x183/0x1d0 [ 7599.518400][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7599.518403][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7599.518409][ C2] do_syscall_64+0xc1/0x380 [ 7599.518412][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7599.518416][ C2] RIP: 0033:0x7f471c970337 [ 7599.518420][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7599.518422][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7599.518425][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7599.518427][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7599.518430][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7599.518432][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7599.518434][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7599.518440][ C2] [ 7624.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5029s! [mptcp_connect:16956] [ 7624.512937][ 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 [ 7624.512950][ C2] irq event stamp: 64230 [ 7624.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7624.512959][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7624.512963][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7624.512968][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7624.512974][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7624.512979][ C2] Tainted: [L]=SOFTLOCKUP [ 7624.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7624.512982][ C2] RIP: 0010:kasan_check_range+0x54/0x1c0 [ 7624.512988][ C2] Code: 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 df 4d 89 d1 48 [ 7624.512991][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000212 [ 7624.512994][ C2] RAX: ffff7fffffffffff RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7624.512997][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7624.512999][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7624.513001][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7624.513003][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7624.513006][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7624.513009][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7624.513012][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7624.513014][ C2] PKRU: 55555554 [ 7624.513016][ C2] Call Trace: [ 7624.513018][ C2] [ 7624.513021][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7624.513026][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7624.513034][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7624.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7624.513041][ C2] ? lock_acquire+0x10c/0x170 [ 7624.513045][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7624.513050][ C2] mptcp_try_fallback+0x14b/0x360 [ 7624.513054][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7624.513060][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7624.513063][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7624.513066][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7624.513071][ C2] __mptcp_retrans+0x42a/0x960 [ 7624.513077][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7624.513082][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7624.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7624.513095][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7624.513098][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7624.513101][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7624.513104][ C2] ? lock_acquire+0x10c/0x170 [ 7624.513107][ C2] ? release_sock+0x1f/0x1d0 [ 7624.513112][ C2] release_sock+0x17f/0x1d0 [ 7624.513116][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7624.513124][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7624.513127][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7624.513132][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7624.513136][ C2] ? find_held_lock+0x2b/0x80 [ 7624.513140][ C2] sock_write_iter+0x3c1/0x520 [ 7624.513145][ C2] ? __up_write+0x1ad/0x530 [ 7624.513149][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7624.513156][ C2] ? ksys_write+0xf7/0x1d0 [ 7624.513161][ C2] vfs_write+0xc0c/0x1210 [ 7624.513165][ C2] ? ksys_write+0x137/0x1d0 [ 7624.513167][ C2] ? __lock_release+0x5d/0x170 [ 7624.513171][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7624.513175][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7624.513182][ C2] ksys_write+0x183/0x1d0 [ 7624.513186][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7624.513189][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7624.513195][ C2] do_syscall_64+0xc1/0x380 [ 7624.513199][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7624.513202][ C2] RIP: 0033:0x7f471c970337 [ 7624.513207][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7624.513209][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7624.513212][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7624.513214][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7624.513217][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7624.513219][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7624.513221][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7624.513228][ C2] [ 7632.724319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7632.724777][ C2] rcu: 2-....: (5403908 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2355848 [ 7632.725153][ C2] rcu: (t=5408207 jiffies g=1286133 q=95332 ncpus=4) [ 7632.725383][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7632.725389][ C2] Tainted: [L]=SOFTLOCKUP [ 7632.725390][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7632.725392][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7632.725399][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7632.725402][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7632.725405][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7632.725407][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7632.725410][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7632.725412][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7632.725414][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7632.725416][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7632.725418][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7632.725422][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7632.725424][ C2] PKRU: 55555554 [ 7632.725425][ C2] Call Trace: [ 7632.725427][ C2] [ 7632.725429][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7632.725437][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7632.725441][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7632.725443][ C2] ? lock_acquire+0x10c/0x170 [ 7632.725448][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7632.725454][ C2] mptcp_try_fallback+0x14b/0x360 [ 7632.725458][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7632.725464][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7632.725466][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7632.725469][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7632.725474][ C2] __mptcp_retrans+0x42a/0x960 [ 7632.725479][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7632.725485][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7632.725490][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7632.725498][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7632.725501][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7632.725504][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7632.725507][ C2] ? lock_acquire+0x10c/0x170 [ 7632.725510][ C2] ? release_sock+0x1f/0x1d0 [ 7632.725515][ C2] release_sock+0x17f/0x1d0 [ 7632.725519][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7632.725526][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7632.725530][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7632.725534][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7632.725539][ C2] ? find_held_lock+0x2b/0x80 [ 7632.725543][ C2] sock_write_iter+0x3c1/0x520 [ 7632.725547][ C2] ? __up_write+0x1ad/0x530 [ 7632.725551][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7632.725558][ C2] ? ksys_write+0xf7/0x1d0 [ 7632.725563][ C2] vfs_write+0xc0c/0x1210 [ 7632.725566][ C2] ? ksys_write+0x137/0x1d0 [ 7632.725569][ C2] ? __lock_release+0x5d/0x170 [ 7632.725573][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7632.725577][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7632.725584][ C2] ksys_write+0x183/0x1d0 [ 7632.725588][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7632.725591][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7632.725597][ C2] do_syscall_64+0xc1/0x380 [ 7632.725600][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7632.725603][ C2] RIP: 0033:0x7f471c970337 [ 7632.725608][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7632.725609][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7632.725612][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7632.725615][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7632.725616][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7632.725619][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7632.725621][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7632.725627][ C2] [ 7660.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5063s! [mptcp_connect:16956] [ 7660.512941][ 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 [ 7660.512957][ C2] irq event stamp: 64230 [ 7660.512958][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7660.512966][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7660.512970][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7660.512975][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7660.512982][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7660.512987][ C2] Tainted: [L]=SOFTLOCKUP [ 7660.512989][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7660.512991][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 7660.512997][ C2] Code: c7 c7 40 05 87 a3 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 [ 7660.513001][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 7660.513004][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7660.513006][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7660.513009][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7660.513011][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7660.513013][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7660.513016][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7660.513018][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7660.513022][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7660.513025][ C2] PKRU: 55555554 [ 7660.513026][ C2] Call Trace: [ 7660.513029][ C2] [ 7660.513031][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7660.513038][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7660.513045][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7660.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7660.513052][ C2] ? lock_acquire+0x10c/0x170 [ 7660.513056][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7660.513061][ C2] mptcp_try_fallback+0x14b/0x360 [ 7660.513065][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7660.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7660.513075][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7660.513078][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7660.513083][ C2] __mptcp_retrans+0x42a/0x960 [ 7660.513088][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7660.513094][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7660.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7660.513108][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7660.513110][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7660.513114][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7660.513116][ C2] ? lock_acquire+0x10c/0x170 [ 7660.513119][ C2] ? release_sock+0x1f/0x1d0 [ 7660.513125][ C2] release_sock+0x17f/0x1d0 [ 7660.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7660.513136][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7660.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7660.513144][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7660.513148][ C2] ? find_held_lock+0x2b/0x80 [ 7660.513153][ C2] sock_write_iter+0x3c1/0x520 [ 7660.513157][ C2] ? __up_write+0x1ad/0x530 [ 7660.513162][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7660.513168][ C2] ? ksys_write+0xf7/0x1d0 [ 7660.513174][ C2] vfs_write+0xc0c/0x1210 [ 7660.513177][ C2] ? ksys_write+0x137/0x1d0 [ 7660.513180][ C2] ? __lock_release+0x5d/0x170 [ 7660.513184][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7660.513188][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7660.513196][ C2] ksys_write+0x183/0x1d0 [ 7660.513199][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7660.513202][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7660.513208][ C2] do_syscall_64+0xc1/0x380 [ 7660.513212][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7660.513216][ C2] RIP: 0033:0x7f471c970337 [ 7660.513222][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7660.513224][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7660.513227][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7660.513230][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7660.513232][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7660.513234][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7660.513236][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7660.513242][ C2] [ 7688.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5089s! [mptcp_connect:16956] [ 7688.512938][ 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 [ 7688.512950][ C2] irq event stamp: 64230 [ 7688.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7688.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7688.512961][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7688.512965][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7688.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7688.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 7688.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7688.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7688.512983][ 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 [ 7688.512986][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7688.512989][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7688.512991][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7688.512994][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7688.512996][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7688.512998][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7688.513000][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7688.513003][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7688.513007][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7688.513009][ C2] PKRU: 55555554 [ 7688.513011][ C2] Call Trace: [ 7688.513012][ C2] [ 7688.513015][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7688.513023][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7688.513027][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7688.513029][ C2] ? lock_acquire+0x10c/0x170 [ 7688.513033][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7688.513037][ C2] mptcp_try_fallback+0x14b/0x360 [ 7688.513041][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7688.513047][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7688.513050][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7688.513053][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7688.513059][ C2] __mptcp_retrans+0x42a/0x960 [ 7688.513064][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7688.513070][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7688.513075][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7688.513082][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7688.513085][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7688.513089][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7688.513092][ C2] ? lock_acquire+0x10c/0x170 [ 7688.513095][ C2] ? release_sock+0x1f/0x1d0 [ 7688.513100][ C2] release_sock+0x17f/0x1d0 [ 7688.513103][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7688.513111][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7688.513114][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7688.513119][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7688.513123][ C2] ? find_held_lock+0x2b/0x80 [ 7688.513127][ C2] sock_write_iter+0x3c1/0x520 [ 7688.513131][ C2] ? __up_write+0x1ad/0x530 [ 7688.513135][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7688.513142][ C2] ? ksys_write+0xf7/0x1d0 [ 7688.513148][ C2] vfs_write+0xc0c/0x1210 [ 7688.513151][ C2] ? ksys_write+0x137/0x1d0 [ 7688.513153][ C2] ? __lock_release+0x5d/0x170 [ 7688.513158][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7688.513161][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7688.513169][ C2] ksys_write+0x183/0x1d0 [ 7688.513172][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7688.513175][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7688.513181][ C2] do_syscall_64+0xc1/0x380 [ 7688.513185][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7688.513188][ C2] RIP: 0033:0x7f471c970337 [ 7688.513193][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7688.513194][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7688.513197][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7688.513199][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7688.513202][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7688.513204][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7688.513206][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7688.513212][ C2] [ 7697.821333][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5443269 jiffies s: 68525 root: 0x4/. [ 7697.821765][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7697.821944][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7697.822179][ C2] NMI backtrace for cpu 2 [ 7697.822185][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7697.822190][ C2] Tainted: [L]=SOFTLOCKUP [ 7697.822192][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7697.822193][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7697.822199][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7697.822203][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7697.822205][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7697.822208][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7697.822210][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7697.822213][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7697.822215][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7697.822217][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7697.822219][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7697.822223][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7697.822225][ C2] PKRU: 55555554 [ 7697.822226][ C2] Call Trace: [ 7697.822228][ C2] [ 7697.822231][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7697.822238][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7697.822242][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7697.822245][ C2] ? lock_acquire+0x10c/0x170 [ 7697.822248][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7697.822253][ C2] mptcp_try_fallback+0x14b/0x360 [ 7697.822257][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7697.822263][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7697.822265][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7697.822269][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7697.822273][ C2] __mptcp_retrans+0x42a/0x960 [ 7697.822279][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7697.822284][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7697.822290][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7697.822297][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7697.822300][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7697.822303][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7697.822306][ C2] ? lock_acquire+0x10c/0x170 [ 7697.822308][ C2] ? release_sock+0x1f/0x1d0 [ 7697.822313][ C2] release_sock+0x17f/0x1d0 [ 7697.822318][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7697.822325][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7697.822329][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7697.822333][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7697.822337][ C2] ? find_held_lock+0x2b/0x80 [ 7697.822341][ C2] sock_write_iter+0x3c1/0x520 [ 7697.822345][ C2] ? __up_write+0x1ad/0x530 [ 7697.822349][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7697.822356][ C2] ? ksys_write+0xf7/0x1d0 [ 7697.822361][ C2] vfs_write+0xc0c/0x1210 [ 7697.822364][ C2] ? ksys_write+0x137/0x1d0 [ 7697.822367][ C2] ? __lock_release+0x5d/0x170 [ 7697.822371][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7697.822375][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7697.822382][ C2] ksys_write+0x183/0x1d0 [ 7697.822385][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7697.822389][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7697.822394][ C2] do_syscall_64+0xc1/0x380 [ 7697.822398][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7697.822401][ C2] RIP: 0033:0x7f471c970337 [ 7697.822405][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7697.822407][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7697.822411][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7697.822413][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7697.822415][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7697.822417][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7697.822419][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7697.822426][ C2] [ 7710.727318][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7710.727648][ C2] rcu: 2-....: (5481850 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2394827 [ 7710.728025][ C2] rcu: (t=5486210 jiffies g=1286133 q=96680 ncpus=4) [ 7710.728379][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7710.728385][ C2] Tainted: [L]=SOFTLOCKUP [ 7710.728386][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7710.728388][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7710.728394][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7710.728397][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7710.728400][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7710.728403][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7710.728405][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7710.728407][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7710.728409][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7710.728411][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7710.728414][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7710.728418][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7710.728420][ C2] PKRU: 55555554 [ 7710.728421][ C2] Call Trace: [ 7710.728422][ C2] [ 7710.728424][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7710.728432][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7710.728436][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7710.728439][ C2] ? lock_acquire+0x10c/0x170 [ 7710.728442][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7710.728447][ C2] mptcp_try_fallback+0x14b/0x360 [ 7710.728451][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7710.728457][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7710.728459][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7710.728462][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7710.728467][ C2] __mptcp_retrans+0x42a/0x960 [ 7710.728473][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7710.728478][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7710.728484][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7710.728491][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7710.728494][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7710.728497][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7710.728500][ C2] ? lock_acquire+0x10c/0x170 [ 7710.728503][ C2] ? release_sock+0x1f/0x1d0 [ 7710.728508][ C2] release_sock+0x17f/0x1d0 [ 7710.728511][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7710.728519][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7710.728522][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7710.728526][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7710.728530][ C2] ? find_held_lock+0x2b/0x80 [ 7710.728534][ C2] sock_write_iter+0x3c1/0x520 [ 7710.728538][ C2] ? __up_write+0x1ad/0x530 [ 7710.728542][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7710.728549][ C2] ? ksys_write+0xf7/0x1d0 [ 7710.728554][ C2] vfs_write+0xc0c/0x1210 [ 7710.728557][ C2] ? ksys_write+0x137/0x1d0 [ 7710.728560][ C2] ? __lock_release+0x5d/0x170 [ 7710.728564][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7710.728568][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7710.728575][ C2] ksys_write+0x183/0x1d0 [ 7710.728579][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7710.728581][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7710.728587][ C2] do_syscall_64+0xc1/0x380 [ 7710.728591][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7710.728594][ C2] RIP: 0033:0x7f471c970337 [ 7710.728598][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7710.728599][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7710.728602][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7710.728604][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7710.728606][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7710.728608][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7710.728610][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7710.728617][ C2] [ 7736.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5134s! [mptcp_connect:16956] [ 7736.512937][ 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 [ 7736.512949][ C2] irq event stamp: 64230 [ 7736.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7736.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7736.512961][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7736.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7736.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7736.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 7736.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7736.512980][ C2] RIP: 0010:kasan_check_range+0x54/0x1c0 [ 7736.512985][ C2] Code: 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 df 4d 89 d1 48 [ 7736.512988][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000212 [ 7736.512991][ C2] RAX: ffff7fffffffffff RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7736.512993][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7736.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7736.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7736.513000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7736.513002][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7736.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7736.513008][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7736.513010][ C2] PKRU: 55555554 [ 7736.513011][ C2] Call Trace: [ 7736.513013][ C2] [ 7736.513016][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7736.513021][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7736.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7736.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7736.513034][ C2] ? lock_acquire+0x10c/0x170 [ 7736.513038][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7736.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 7736.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7736.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7736.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7736.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7736.513064][ C2] __mptcp_retrans+0x42a/0x960 [ 7736.513070][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7736.513075][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7736.513080][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7736.513087][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7736.513090][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7736.513094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7736.513096][ C2] ? lock_acquire+0x10c/0x170 [ 7736.513100][ C2] ? release_sock+0x1f/0x1d0 [ 7736.513105][ C2] release_sock+0x17f/0x1d0 [ 7736.513109][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7736.513117][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7736.513121][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7736.513125][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7736.513129][ C2] ? find_held_lock+0x2b/0x80 [ 7736.513133][ C2] sock_write_iter+0x3c1/0x520 [ 7736.513137][ C2] ? __up_write+0x1ad/0x530 [ 7736.513141][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7736.513148][ C2] ? ksys_write+0xf7/0x1d0 [ 7736.513153][ C2] vfs_write+0xc0c/0x1210 [ 7736.513157][ C2] ? ksys_write+0x137/0x1d0 [ 7736.513159][ C2] ? __lock_release+0x5d/0x170 [ 7736.513163][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7736.513167][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7736.513175][ C2] ksys_write+0x183/0x1d0 [ 7736.513178][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7736.513181][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7736.513187][ C2] do_syscall_64+0xc1/0x380 [ 7736.513191][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7736.513195][ C2] RIP: 0033:0x7f471c970337 [ 7736.513199][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7736.513201][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7736.513204][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7736.513206][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7736.513208][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7736.513210][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7736.513212][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7736.513219][ C2] [ 7764.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5160s! [mptcp_connect:16956] [ 7764.512938][ 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 [ 7764.512950][ C2] irq event stamp: 64230 [ 7764.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7764.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7764.512961][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7764.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7764.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7764.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 7764.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7764.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7764.512985][ 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 [ 7764.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7764.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7764.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7764.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7764.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7764.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7764.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7764.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7764.513010][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7764.513013][ C2] PKRU: 55555554 [ 7764.513014][ C2] Call Trace: [ 7764.513016][ C2] [ 7764.513019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7764.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7764.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7764.513033][ C2] ? lock_acquire+0x10c/0x170 [ 7764.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7764.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 7764.513045][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7764.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7764.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7764.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7764.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 7764.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7764.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7764.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7764.513087][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7764.513090][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7764.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7764.513095][ C2] ? lock_acquire+0x10c/0x170 [ 7764.513099][ C2] ? release_sock+0x1f/0x1d0 [ 7764.513104][ C2] release_sock+0x17f/0x1d0 [ 7764.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7764.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7764.513118][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7764.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7764.513126][ C2] ? find_held_lock+0x2b/0x80 [ 7764.513130][ C2] sock_write_iter+0x3c1/0x520 [ 7764.513134][ C2] ? __up_write+0x1ad/0x530 [ 7764.513138][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7764.513145][ C2] ? ksys_write+0xf7/0x1d0 [ 7764.513150][ C2] vfs_write+0xc0c/0x1210 [ 7764.513153][ C2] ? ksys_write+0x137/0x1d0 [ 7764.513156][ C2] ? __lock_release+0x5d/0x170 [ 7764.513160][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7764.513164][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7764.513172][ C2] ksys_write+0x183/0x1d0 [ 7764.513175][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7764.513178][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7764.513184][ C2] do_syscall_64+0xc1/0x380 [ 7764.513188][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7764.513191][ C2] RIP: 0033:0x7f471c970337 [ 7764.513195][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7764.513197][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7764.513207][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7764.513209][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7764.513211][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7764.513213][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7764.513215][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7764.513222][ C2] [ 7788.730318][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7788.730662][ C2] rcu: 2-....: (5559806 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2433811 [ 7788.731040][ C2] rcu: (t=5564213 jiffies g=1286133 q=97706 ncpus=4) [ 7788.731400][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7788.731405][ C2] Tainted: [L]=SOFTLOCKUP [ 7788.731407][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7788.731409][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 7788.731415][ 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 [ 7788.731418][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 7788.731421][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7788.731423][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7788.731425][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7788.731427][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7788.731429][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7788.731432][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7788.731435][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7788.731438][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7788.731440][ C2] PKRU: 55555554 [ 7788.731442][ C2] Call Trace: [ 7788.731443][ C2] [ 7788.731444][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7788.731450][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7788.731457][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7788.731461][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7788.731464][ C2] ? lock_acquire+0x10c/0x170 [ 7788.731467][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7788.731472][ C2] mptcp_try_fallback+0x14b/0x360 [ 7788.731476][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7788.731482][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7788.731485][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7788.731488][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7788.731493][ C2] __mptcp_retrans+0x42a/0x960 [ 7788.731499][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7788.731504][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7788.731510][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7788.731517][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7788.731520][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7788.731523][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7788.731526][ C2] ? lock_acquire+0x10c/0x170 [ 7788.731529][ C2] ? release_sock+0x1f/0x1d0 [ 7788.731534][ C2] release_sock+0x17f/0x1d0 [ 7788.731537][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7788.731545][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7788.731548][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7788.731552][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7788.731556][ C2] ? find_held_lock+0x2b/0x80 [ 7788.731560][ C2] sock_write_iter+0x3c1/0x520 [ 7788.731564][ C2] ? __up_write+0x1ad/0x530 [ 7788.731568][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7788.731574][ C2] ? ksys_write+0xf7/0x1d0 [ 7788.731580][ C2] vfs_write+0xc0c/0x1210 [ 7788.731583][ C2] ? ksys_write+0x137/0x1d0 [ 7788.731586][ C2] ? __lock_release+0x5d/0x170 [ 7788.731590][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7788.731593][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7788.731601][ C2] ksys_write+0x183/0x1d0 [ 7788.731604][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7788.731607][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7788.731613][ C2] do_syscall_64+0xc1/0x380 [ 7788.731616][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7788.731619][ C2] RIP: 0033:0x7f471c970337 [ 7788.731624][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7788.731626][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7788.731629][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7788.731631][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7788.731633][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7788.731636][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7788.731637][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7788.731644][ C2] [ 7796.125333][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5541573 jiffies s: 68525 root: 0x4/. [ 7796.125767][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7796.125942][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7796.126183][ C2] NMI backtrace for cpu 2 [ 7796.126188][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7796.126193][ C2] Tainted: [L]=SOFTLOCKUP [ 7796.126195][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7796.126197][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7796.126203][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7796.126206][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7796.126209][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7796.126212][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7796.126214][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7796.126216][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7796.126218][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7796.126220][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7796.126223][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7796.126226][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7796.126229][ C2] PKRU: 55555554 [ 7796.126230][ C2] Call Trace: [ 7796.126232][ C2] [ 7796.126234][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7796.126242][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7796.126246][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7796.126249][ C2] ? lock_acquire+0x10c/0x170 [ 7796.126252][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7796.126257][ C2] mptcp_try_fallback+0x14b/0x360 [ 7796.126261][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7796.126267][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7796.126270][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7796.126273][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7796.126278][ C2] __mptcp_retrans+0x42a/0x960 [ 7796.126283][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7796.126289][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7796.126294][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7796.126301][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7796.126304][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7796.126307][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7796.126310][ C2] ? lock_acquire+0x10c/0x170 [ 7796.126313][ C2] ? release_sock+0x1f/0x1d0 [ 7796.126319][ C2] release_sock+0x17f/0x1d0 [ 7796.126322][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7796.126329][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7796.126333][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7796.126337][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7796.126341][ C2] ? find_held_lock+0x2b/0x80 [ 7796.126346][ C2] sock_write_iter+0x3c1/0x520 [ 7796.126349][ C2] ? __up_write+0x1ad/0x530 [ 7796.126353][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7796.126360][ C2] ? ksys_write+0xf7/0x1d0 [ 7796.126365][ C2] vfs_write+0xc0c/0x1210 [ 7796.126369][ C2] ? ksys_write+0x137/0x1d0 [ 7796.126372][ C2] ? __lock_release+0x5d/0x170 [ 7796.126376][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7796.126380][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7796.126387][ C2] ksys_write+0x183/0x1d0 [ 7796.126390][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7796.126393][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7796.126399][ C2] do_syscall_64+0xc1/0x380 [ 7796.126402][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7796.126406][ C2] RIP: 0033:0x7f471c970337 [ 7796.126410][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7796.126412][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7796.126415][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7796.126417][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7796.126420][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7796.126422][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7796.126424][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7796.126430][ C2] [ 7820.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5212s! [mptcp_connect:16956] [ 7820.512937][ 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 [ 7820.512950][ C2] irq event stamp: 64230 [ 7820.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7820.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7820.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7820.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7820.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7820.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 7820.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7820.512981][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 7820.512985][ 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 [ 7820.512988][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000282 [ 7820.512991][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7820.512994][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7820.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7820.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7820.513000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7820.513002][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7820.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7820.513008][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7820.513011][ C2] PKRU: 55555554 [ 7820.513012][ C2] Call Trace: [ 7820.513014][ C2] [ 7820.513016][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7820.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7820.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7820.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7820.513035][ C2] ? lock_acquire+0x10c/0x170 [ 7820.513038][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7820.513043][ C2] mptcp_try_fallback+0x14b/0x360 [ 7820.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7820.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7820.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7820.513059][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7820.513064][ C2] __mptcp_retrans+0x42a/0x960 [ 7820.513070][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7820.513076][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7820.513082][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7820.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7820.513091][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7820.513095][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7820.513098][ C2] ? lock_acquire+0x10c/0x170 [ 7820.513101][ C2] ? release_sock+0x1f/0x1d0 [ 7820.513106][ C2] release_sock+0x17f/0x1d0 [ 7820.513110][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7820.513117][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7820.513121][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7820.513125][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7820.513129][ C2] ? find_held_lock+0x2b/0x80 [ 7820.513134][ C2] sock_write_iter+0x3c1/0x520 [ 7820.513138][ C2] ? __up_write+0x1ad/0x530 [ 7820.513142][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7820.513149][ C2] ? ksys_write+0xf7/0x1d0 [ 7820.513154][ C2] vfs_write+0xc0c/0x1210 [ 7820.513157][ C2] ? ksys_write+0x137/0x1d0 [ 7820.513160][ C2] ? __lock_release+0x5d/0x170 [ 7820.513164][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7820.513168][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7820.513175][ C2] ksys_write+0x183/0x1d0 [ 7820.513179][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7820.513182][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7820.513188][ C2] do_syscall_64+0xc1/0x380 [ 7820.513191][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7820.513194][ C2] RIP: 0033:0x7f471c970337 [ 7820.513199][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7820.513200][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7820.513203][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7820.513206][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7820.513208][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7820.513210][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7820.513212][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7820.513219][ C2] [ 7848.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5238s! [mptcp_connect:16956] [ 7848.512938][ 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 [ 7848.512950][ C2] irq event stamp: 64230 [ 7848.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7848.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7848.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7848.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7848.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7848.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 7848.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7848.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7848.512985][ 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 [ 7848.512988][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7848.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7848.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7848.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7848.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7848.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7848.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7848.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7848.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7848.513011][ C2] PKRU: 55555554 [ 7848.513013][ C2] Call Trace: [ 7848.513015][ C2] [ 7848.513017][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7848.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7848.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7848.513032][ C2] ? lock_acquire+0x10c/0x170 [ 7848.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7848.513040][ C2] mptcp_try_fallback+0x14b/0x360 [ 7848.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7848.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7848.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7848.513056][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7848.513062][ C2] __mptcp_retrans+0x42a/0x960 [ 7848.513068][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7848.513073][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7848.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7848.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7848.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7848.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7848.513094][ C2] ? lock_acquire+0x10c/0x170 [ 7848.513097][ C2] ? release_sock+0x1f/0x1d0 [ 7848.513102][ C2] release_sock+0x17f/0x1d0 [ 7848.513106][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7848.513113][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7848.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7848.513121][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7848.513125][ C2] ? find_held_lock+0x2b/0x80 [ 7848.513130][ C2] sock_write_iter+0x3c1/0x520 [ 7848.513133][ C2] ? __up_write+0x1ad/0x530 [ 7848.513137][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7848.513144][ C2] ? ksys_write+0xf7/0x1d0 [ 7848.513149][ C2] vfs_write+0xc0c/0x1210 [ 7848.513153][ C2] ? ksys_write+0x137/0x1d0 [ 7848.513155][ C2] ? __lock_release+0x5d/0x170 [ 7848.513159][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7848.513163][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7848.513171][ C2] ksys_write+0x183/0x1d0 [ 7848.513174][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7848.513177][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7848.513183][ C2] do_syscall_64+0xc1/0x380 [ 7848.513186][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7848.513190][ C2] RIP: 0033:0x7f471c970337 [ 7848.513194][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7848.513196][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7848.513199][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7848.513201][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7848.513204][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7848.513206][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7848.513208][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7848.513215][ C2] [ 7866.733319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7866.733660][ C2] rcu: 2-....: (5637748 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2472789 [ 7866.734157][ C2] rcu: (t=5642216 jiffies g=1286133 q=99057 ncpus=4) [ 7866.734387][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7866.734392][ C2] Tainted: [L]=SOFTLOCKUP [ 7866.734394][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7866.734395][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 7866.734401][ 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 [ 7866.734404][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7866.734407][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7866.734410][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7866.734412][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7866.734415][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7866.734417][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7866.734419][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7866.734421][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7866.734425][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7866.734428][ C2] PKRU: 55555554 [ 7866.734429][ C2] Call Trace: [ 7866.734430][ C2] [ 7866.734433][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7866.734440][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7866.734444][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7866.734447][ C2] ? lock_acquire+0x10c/0x170 [ 7866.734450][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7866.734455][ C2] mptcp_try_fallback+0x14b/0x360 [ 7866.734459][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7866.734465][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7866.734468][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7866.734471][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7866.734476][ C2] __mptcp_retrans+0x42a/0x960 [ 7866.734482][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7866.734488][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7866.734493][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7866.734500][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7866.734503][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7866.734506][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7866.734509][ C2] ? lock_acquire+0x10c/0x170 [ 7866.734512][ C2] ? release_sock+0x1f/0x1d0 [ 7866.734517][ C2] release_sock+0x17f/0x1d0 [ 7866.734521][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7866.734528][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7866.734532][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7866.734536][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7866.734540][ C2] ? find_held_lock+0x2b/0x80 [ 7866.734544][ C2] sock_write_iter+0x3c1/0x520 [ 7866.734548][ C2] ? __up_write+0x1ad/0x530 [ 7866.734552][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7866.734559][ C2] ? ksys_write+0xf7/0x1d0 [ 7866.734564][ C2] vfs_write+0xc0c/0x1210 [ 7866.734567][ C2] ? ksys_write+0x137/0x1d0 [ 7866.734570][ C2] ? __lock_release+0x5d/0x170 [ 7866.734574][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7866.734578][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7866.734585][ C2] ksys_write+0x183/0x1d0 [ 7866.734589][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7866.734592][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7866.734597][ C2] do_syscall_64+0xc1/0x380 [ 7866.734601][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7866.734604][ C2] RIP: 0033:0x7f471c970337 [ 7866.734608][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7866.734610][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7866.734613][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7866.734615][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7866.734617][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7866.734619][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7866.734621][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7866.734627][ C2] [ 7892.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5279s! [mptcp_connect:16956] [ 7892.512938][ 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 [ 7892.512950][ C2] irq event stamp: 64230 [ 7892.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7892.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7892.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7892.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7892.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7892.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 7892.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7892.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7892.512985][ 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 [ 7892.512988][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7892.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7892.512993][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7892.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7892.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7892.513000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7892.513002][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7892.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7892.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7892.513012][ C2] PKRU: 55555554 [ 7892.513013][ C2] Call Trace: [ 7892.513015][ C2] [ 7892.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7892.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7892.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7892.513032][ C2] ? lock_acquire+0x10c/0x170 [ 7892.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7892.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 7892.513045][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7892.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7892.513054][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7892.513057][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7892.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 7892.513068][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7892.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7892.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7892.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7892.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7892.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7892.513095][ C2] ? lock_acquire+0x10c/0x170 [ 7892.513098][ C2] ? release_sock+0x1f/0x1d0 [ 7892.513103][ C2] release_sock+0x17f/0x1d0 [ 7892.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7892.513114][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7892.513118][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7892.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7892.513127][ C2] ? find_held_lock+0x2b/0x80 [ 7892.513131][ C2] sock_write_iter+0x3c1/0x520 [ 7892.513135][ C2] ? __up_write+0x1ad/0x530 [ 7892.513139][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7892.513146][ C2] ? ksys_write+0xf7/0x1d0 [ 7892.513151][ C2] vfs_write+0xc0c/0x1210 [ 7892.513155][ C2] ? ksys_write+0x137/0x1d0 [ 7892.513157][ C2] ? __lock_release+0x5d/0x170 [ 7892.513162][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7892.513165][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7892.513173][ C2] ksys_write+0x183/0x1d0 [ 7892.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7892.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7892.513184][ C2] do_syscall_64+0xc1/0x380 [ 7892.513188][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7892.513191][ C2] RIP: 0033:0x7f471c970337 [ 7892.513196][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7892.513198][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7892.513201][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7892.513203][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7892.513205][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7892.513207][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7892.513209][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7892.513216][ C2] [ 7894.429331][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5639877 jiffies s: 68525 root: 0x4/. [ 7894.429699][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7894.429951][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7894.430103][ C2] NMI backtrace for cpu 2 [ 7894.430108][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7894.430113][ C2] Tainted: [L]=SOFTLOCKUP [ 7894.430115][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7894.430117][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 7894.430124][ 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 [ 7894.430127][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 7894.430130][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 7894.430133][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 7894.430135][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 7894.430137][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 7894.430139][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 7894.430141][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7894.430144][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7894.430147][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7894.430149][ C2] PKRU: 55555554 [ 7894.430151][ C2] Call Trace: [ 7894.430153][ C2] [ 7894.430155][ C2] ioapic_ack_level+0xcf/0x3d0 [ 7894.430164][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 7894.430173][ C2] __common_interrupt+0xad/0x1d0 [ 7894.430181][ C2] common_interrupt+0xb9/0xe0 [ 7894.430186][ C2] [ 7894.430187][ C2] [ 7894.430189][ C2] asm_common_interrupt+0x26/0x40 [ 7894.430193][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7894.430197][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7894.430200][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7894.430203][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7894.430205][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7894.430207][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7894.430209][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7894.430211][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7894.430215][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 7894.430222][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7894.430229][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7894.430232][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7894.430235][ C2] ? lock_acquire+0x10c/0x170 [ 7894.430239][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7894.430244][ C2] mptcp_try_fallback+0x14b/0x360 [ 7894.430248][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7894.430254][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7894.430257][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7894.430260][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7894.430265][ C2] __mptcp_retrans+0x42a/0x960 [ 7894.430271][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7894.430276][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7894.430282][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7894.430289][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7894.430292][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7894.430295][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7894.430298][ C2] ? lock_acquire+0x10c/0x170 [ 7894.430301][ C2] ? release_sock+0x1f/0x1d0 [ 7894.430306][ C2] release_sock+0x17f/0x1d0 [ 7894.430310][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7894.430318][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7894.430322][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7894.430326][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7894.430330][ C2] ? find_held_lock+0x2b/0x80 [ 7894.430334][ C2] sock_write_iter+0x3c1/0x520 [ 7894.430338][ C2] ? __up_write+0x1ad/0x530 [ 7894.430341][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7894.430348][ C2] ? ksys_write+0xf7/0x1d0 [ 7894.430353][ C2] vfs_write+0xc0c/0x1210 [ 7894.430356][ C2] ? ksys_write+0x137/0x1d0 [ 7894.430359][ C2] ? __lock_release+0x5d/0x170 [ 7894.430363][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7894.430367][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7894.430374][ C2] ksys_write+0x183/0x1d0 [ 7894.430378][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7894.430381][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7894.430386][ C2] do_syscall_64+0xc1/0x380 [ 7894.430389][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7894.430392][ C2] RIP: 0033:0x7f471c970337 [ 7894.430397][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7894.430398][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7894.430401][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7894.430403][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7894.430405][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7894.430407][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7894.430410][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7894.430416][ C2] [ 7920.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5305s! [mptcp_connect:16956] [ 7920.512938][ 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 [ 7920.512950][ C2] irq event stamp: 64230 [ 7920.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7920.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7920.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7920.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7920.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7920.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 7920.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7920.512980][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 7920.512985][ 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 [ 7920.512989][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 7920.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7920.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7920.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7920.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7920.513000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7920.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7920.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7920.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7920.513011][ C2] PKRU: 55555554 [ 7920.513013][ C2] Call Trace: [ 7920.513015][ C2] [ 7920.513017][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 7920.513023][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7920.513030][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7920.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7920.513036][ C2] ? lock_acquire+0x10c/0x170 [ 7920.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7920.513045][ C2] mptcp_try_fallback+0x14b/0x360 [ 7920.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7920.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7920.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7920.513062][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7920.513066][ C2] __mptcp_retrans+0x42a/0x960 [ 7920.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7920.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7920.513083][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7920.513090][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7920.513093][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7920.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7920.513098][ C2] ? lock_acquire+0x10c/0x170 [ 7920.513102][ C2] ? release_sock+0x1f/0x1d0 [ 7920.513107][ C2] release_sock+0x17f/0x1d0 [ 7920.513110][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7920.513118][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7920.513122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7920.513126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7920.513130][ C2] ? find_held_lock+0x2b/0x80 [ 7920.513135][ C2] sock_write_iter+0x3c1/0x520 [ 7920.513139][ C2] ? __up_write+0x1ad/0x530 [ 7920.513142][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7920.513149][ C2] ? ksys_write+0xf7/0x1d0 [ 7920.513154][ C2] vfs_write+0xc0c/0x1210 [ 7920.513158][ C2] ? ksys_write+0x137/0x1d0 [ 7920.513160][ C2] ? __lock_release+0x5d/0x170 [ 7920.513164][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7920.513168][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7920.513175][ C2] ksys_write+0x183/0x1d0 [ 7920.513179][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7920.513182][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7920.513188][ C2] do_syscall_64+0xc1/0x380 [ 7920.513191][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7920.513195][ C2] RIP: 0033:0x7f471c970337 [ 7920.513199][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7920.513201][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7920.513204][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7920.513206][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7920.513209][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7920.513211][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7920.513213][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7920.513219][ C2] [ 7944.736319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 7944.736655][ C2] rcu: 2-....: (5715686 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2511768 [ 7944.737162][ C2] rcu: (t=5720219 jiffies g=1286133 q=100486 ncpus=4) [ 7944.737401][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7944.737406][ C2] Tainted: [L]=SOFTLOCKUP [ 7944.737408][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7944.737409][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7944.737415][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7944.737418][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7944.737422][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7944.737424][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7944.737426][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7944.737428][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7944.737430][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7944.737432][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7944.737435][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7944.737439][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7944.737441][ C2] PKRU: 55555554 [ 7944.737443][ C2] Call Trace: [ 7944.737444][ C2] [ 7944.737446][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7944.737454][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7944.737458][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7944.737461][ C2] ? lock_acquire+0x10c/0x170 [ 7944.737464][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7944.737470][ C2] mptcp_try_fallback+0x14b/0x360 [ 7944.737474][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7944.737480][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7944.737483][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7944.737486][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7944.737491][ C2] __mptcp_retrans+0x42a/0x960 [ 7944.737496][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7944.737502][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7944.737507][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7944.737514][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7944.737517][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7944.737521][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7944.737524][ C2] ? lock_acquire+0x10c/0x170 [ 7944.737526][ C2] ? release_sock+0x1f/0x1d0 [ 7944.737532][ C2] release_sock+0x17f/0x1d0 [ 7944.737535][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7944.737542][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7944.737546][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7944.737550][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7944.737554][ C2] ? find_held_lock+0x2b/0x80 [ 7944.737558][ C2] sock_write_iter+0x3c1/0x520 [ 7944.737561][ C2] ? __up_write+0x1ad/0x530 [ 7944.737565][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7944.737571][ C2] ? ksys_write+0xf7/0x1d0 [ 7944.737577][ C2] vfs_write+0xc0c/0x1210 [ 7944.737580][ C2] ? ksys_write+0x137/0x1d0 [ 7944.737582][ C2] ? __lock_release+0x5d/0x170 [ 7944.737586][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7944.737590][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7944.737598][ C2] ksys_write+0x183/0x1d0 [ 7944.737601][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7944.737604][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7944.737610][ C2] do_syscall_64+0xc1/0x380 [ 7944.737614][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7944.737617][ C2] RIP: 0033:0x7f471c970337 [ 7944.737621][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7944.737623][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7944.737626][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7944.737628][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7944.737630][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7944.737632][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7944.737634][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7944.737641][ C2] [ 7972.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5353s! [mptcp_connect:16956] [ 7972.512937][ 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 [ 7972.512950][ C2] irq event stamp: 64230 [ 7972.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 7972.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 7972.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 7972.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 7972.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7972.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 7972.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7972.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7972.512985][ 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 [ 7972.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7972.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7972.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7972.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7972.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7972.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7972.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7972.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7972.513010][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7972.513012][ C2] PKRU: 55555554 [ 7972.513014][ C2] Call Trace: [ 7972.513016][ C2] [ 7972.513019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7972.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7972.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7972.513033][ C2] ? lock_acquire+0x10c/0x170 [ 7972.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7972.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 7972.513045][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7972.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7972.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7972.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7972.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 7972.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7972.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7972.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7972.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7972.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7972.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7972.513095][ C2] ? lock_acquire+0x10c/0x170 [ 7972.513098][ C2] ? release_sock+0x1f/0x1d0 [ 7972.513103][ C2] release_sock+0x17f/0x1d0 [ 7972.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7972.513114][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7972.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7972.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7972.513126][ C2] ? find_held_lock+0x2b/0x80 [ 7972.513130][ C2] sock_write_iter+0x3c1/0x520 [ 7972.513134][ C2] ? __up_write+0x1ad/0x530 [ 7972.513138][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7972.513145][ C2] ? ksys_write+0xf7/0x1d0 [ 7972.513150][ C2] vfs_write+0xc0c/0x1210 [ 7972.513154][ C2] ? ksys_write+0x137/0x1d0 [ 7972.513156][ C2] ? __lock_release+0x5d/0x170 [ 7972.513160][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7972.513165][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7972.513172][ C2] ksys_write+0x183/0x1d0 [ 7972.513175][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7972.513178][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7972.513184][ C2] do_syscall_64+0xc1/0x380 [ 7972.513188][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7972.513191][ C2] RIP: 0033:0x7f471c970337 [ 7972.513195][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7972.513197][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7972.513200][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7972.513202][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7972.513204][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7972.513207][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7972.513209][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7972.513215][ C2] [ 7992.733332][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5738181 jiffies s: 68525 root: 0x4/. [ 7992.733767][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 7992.734028][ T17] Sending NMI from CPU 0 to CPUs 2: [ 7992.734179][ C2] NMI backtrace for cpu 2 [ 7992.734185][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 7992.734191][ C2] Tainted: [L]=SOFTLOCKUP [ 7992.734192][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7992.734194][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 7992.734201][ 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 [ 7992.734204][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 7992.734207][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 7992.734210][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 7992.734212][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 7992.734214][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 7992.734217][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 7992.734219][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 7992.734221][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7992.734225][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 7992.734227][ C2] PKRU: 55555554 [ 7992.734229][ C2] Call Trace: [ 7992.734232][ C2] [ 7992.734233][ C2] ioapic_ack_level+0xcf/0x3d0 [ 7992.734242][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 7992.734250][ C2] __common_interrupt+0xad/0x1d0 [ 7992.734258][ C2] common_interrupt+0xb9/0xe0 [ 7992.734263][ C2] [ 7992.734264][ C2] [ 7992.734266][ C2] asm_common_interrupt+0x26/0x40 [ 7992.734270][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 7992.734275][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 7992.734278][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 7992.734281][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 7992.734283][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 7992.734285][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 7992.734287][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 7992.734289][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 7992.734293][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 7992.734299][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 7992.734306][ C2] do_raw_spin_lock+0x1e8/0x270 [ 7992.734310][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7992.734312][ C2] ? lock_acquire+0x10c/0x170 [ 7992.734317][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 7992.734322][ C2] mptcp_try_fallback+0x14b/0x360 [ 7992.734326][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 7992.734332][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7992.734334][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 7992.734337][ C2] ? __mptcp_retrans+0x34a/0x960 [ 7992.734342][ C2] __mptcp_retrans+0x42a/0x960 [ 7992.734348][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 7992.734353][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 7992.734358][ C2] mptcp_release_cb+0x5eb/0xac0 [ 7992.734365][ C2] ? do_raw_spin_lock+0x130/0x270 [ 7992.734368][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 7992.734371][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 7992.734373][ C2] ? lock_acquire+0x10c/0x170 [ 7992.734376][ C2] ? release_sock+0x1f/0x1d0 [ 7992.734381][ C2] release_sock+0x17f/0x1d0 [ 7992.734385][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 7992.734392][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 7992.734396][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 7992.734400][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 7992.734404][ C2] ? find_held_lock+0x2b/0x80 [ 7992.734408][ C2] sock_write_iter+0x3c1/0x520 [ 7992.734411][ C2] ? __up_write+0x1ad/0x530 [ 7992.734416][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 7992.734422][ C2] ? ksys_write+0xf7/0x1d0 [ 7992.734427][ C2] vfs_write+0xc0c/0x1210 [ 7992.734431][ C2] ? ksys_write+0x137/0x1d0 [ 7992.734433][ C2] ? __lock_release+0x5d/0x170 [ 7992.734437][ C2] ? __pfx_vfs_write+0x10/0x10 [ 7992.734441][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 7992.734448][ C2] ksys_write+0x183/0x1d0 [ 7992.734452][ C2] ? __pfx_ksys_write+0x10/0x10 [ 7992.734455][ C2] ? do_user_addr_fault+0x959/0xe00 [ 7992.734460][ C2] do_syscall_64+0xc1/0x380 [ 7992.734464][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 7992.734467][ C2] RIP: 0033:0x7f471c970337 [ 7992.734472][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 7992.734473][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 7992.734477][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 7992.734479][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 7992.734481][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 7992.734484][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 7992.734486][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 7992.734492][ C2] [ 8020.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5398s! [mptcp_connect:16956] [ 8020.512938][ 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 [ 8020.512950][ C2] irq event stamp: 64230 [ 8020.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8020.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8020.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8020.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8020.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8020.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 8020.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8020.512981][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 8020.512986][ 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 [ 8020.512990][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000282 [ 8020.512992][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8020.512995][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8020.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8020.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8020.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8020.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8020.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8020.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8020.513011][ C2] PKRU: 55555554 [ 8020.513013][ C2] Call Trace: [ 8020.513015][ C2] [ 8020.513017][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8020.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8020.513030][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8020.513033][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8020.513036][ C2] ? lock_acquire+0x10c/0x170 [ 8020.513039][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8020.513044][ C2] mptcp_try_fallback+0x14b/0x360 [ 8020.513048][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8020.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8020.513057][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8020.513060][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8020.513065][ C2] __mptcp_retrans+0x42a/0x960 [ 8020.513071][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8020.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8020.513082][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8020.513089][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8020.513092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8020.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8020.513099][ C2] ? lock_acquire+0x10c/0x170 [ 8020.513102][ C2] ? release_sock+0x1f/0x1d0 [ 8020.513107][ C2] release_sock+0x17f/0x1d0 [ 8020.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8020.513118][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8020.513122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8020.513126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8020.513131][ C2] ? find_held_lock+0x2b/0x80 [ 8020.513135][ C2] sock_write_iter+0x3c1/0x520 [ 8020.513139][ C2] ? __up_write+0x1ad/0x530 [ 8020.513143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8020.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 8020.513155][ C2] vfs_write+0xc0c/0x1210 [ 8020.513158][ C2] ? ksys_write+0x137/0x1d0 [ 8020.513161][ C2] ? __lock_release+0x5d/0x170 [ 8020.513165][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8020.513169][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8020.513176][ C2] ksys_write+0x183/0x1d0 [ 8020.513180][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8020.513183][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8020.513189][ C2] do_syscall_64+0xc1/0x380 [ 8020.513192][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8020.513195][ C2] RIP: 0033:0x7f471c970337 [ 8020.513200][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8020.513202][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8020.513205][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8020.513207][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8020.513210][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8020.513212][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8020.513214][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8020.513220][ C2] [ 8022.739319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8022.739789][ C2] rcu: 2-....: (5793624 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2550743 [ 8022.740162][ C2] rcu: (t=5798222 jiffies g=1286133 q=101915 ncpus=4) [ 8022.740394][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8022.740399][ C2] Tainted: [L]=SOFTLOCKUP [ 8022.740401][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8022.740402][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8022.740408][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8022.740411][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8022.740414][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8022.740417][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8022.740419][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8022.740421][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8022.740423][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8022.740426][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8022.740428][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8022.740432][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8022.740434][ C2] PKRU: 55555554 [ 8022.740436][ C2] Call Trace: [ 8022.740437][ C2] [ 8022.740439][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8022.740447][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8022.740450][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8022.740453][ C2] ? lock_acquire+0x10c/0x170 [ 8022.740457][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8022.740462][ C2] mptcp_try_fallback+0x14b/0x360 [ 8022.740465][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8022.740471][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8022.740474][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8022.740477][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8022.740482][ C2] __mptcp_retrans+0x42a/0x960 [ 8022.740488][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8022.740494][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8022.740499][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8022.740506][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8022.740509][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8022.740512][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8022.740515][ C2] ? lock_acquire+0x10c/0x170 [ 8022.740518][ C2] ? release_sock+0x1f/0x1d0 [ 8022.740523][ C2] release_sock+0x17f/0x1d0 [ 8022.740526][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8022.740534][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8022.740538][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8022.740542][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8022.740546][ C2] ? find_held_lock+0x2b/0x80 [ 8022.740550][ C2] sock_write_iter+0x3c1/0x520 [ 8022.740554][ C2] ? __up_write+0x1ad/0x530 [ 8022.740557][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8022.740564][ C2] ? ksys_write+0xf7/0x1d0 [ 8022.740569][ C2] vfs_write+0xc0c/0x1210 [ 8022.740572][ C2] ? ksys_write+0x137/0x1d0 [ 8022.740575][ C2] ? __lock_release+0x5d/0x170 [ 8022.740579][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8022.740582][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8022.740590][ C2] ksys_write+0x183/0x1d0 [ 8022.740593][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8022.740596][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8022.740602][ C2] do_syscall_64+0xc1/0x380 [ 8022.740605][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8022.740608][ C2] RIP: 0033:0x7f471c970337 [ 8022.740613][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8022.740614][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8022.740618][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8022.740620][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8022.740623][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8022.740625][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8022.740627][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8022.740633][ C2] [ 8048.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5424s! [mptcp_connect:16956] [ 8048.512938][ 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 [ 8048.512950][ C2] irq event stamp: 64230 [ 8048.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8048.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8048.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8048.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8048.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8048.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 8048.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8048.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8048.512986][ 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 [ 8048.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8048.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8048.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8048.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8048.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8048.513000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8048.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8048.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8048.513010][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8048.513012][ C2] PKRU: 55555554 [ 8048.513013][ C2] Call Trace: [ 8048.513015][ C2] [ 8048.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8048.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8048.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8048.513032][ C2] ? lock_acquire+0x10c/0x170 [ 8048.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8048.513040][ C2] mptcp_try_fallback+0x14b/0x360 [ 8048.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8048.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8048.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8048.513056][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8048.513061][ C2] __mptcp_retrans+0x42a/0x960 [ 8048.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8048.513073][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8048.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8048.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8048.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8048.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8048.513094][ C2] ? lock_acquire+0x10c/0x170 [ 8048.513097][ C2] ? release_sock+0x1f/0x1d0 [ 8048.513103][ C2] release_sock+0x17f/0x1d0 [ 8048.513106][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8048.513114][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8048.513117][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8048.513121][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8048.513125][ C2] ? find_held_lock+0x2b/0x80 [ 8048.513129][ C2] sock_write_iter+0x3c1/0x520 [ 8048.513133][ C2] ? __up_write+0x1ad/0x530 [ 8048.513137][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8048.513144][ C2] ? ksys_write+0xf7/0x1d0 [ 8048.513150][ C2] vfs_write+0xc0c/0x1210 [ 8048.513153][ C2] ? ksys_write+0x137/0x1d0 [ 8048.513156][ C2] ? __lock_release+0x5d/0x170 [ 8048.513160][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8048.513164][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8048.513171][ C2] ksys_write+0x183/0x1d0 [ 8048.513174][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8048.513178][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8048.513183][ C2] do_syscall_64+0xc1/0x380 [ 8048.513187][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8048.513191][ C2] RIP: 0033:0x7f471c970337 [ 8048.513195][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8048.513197][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8048.513200][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8048.513202][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8048.513204][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8048.513206][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8048.513209][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8048.513215][ C2] [ 8076.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5450s! [mptcp_connect:16956] [ 8076.512938][ 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 [ 8076.512950][ C2] irq event stamp: 64230 [ 8076.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8076.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8076.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8076.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8076.512973][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8076.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 8076.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8076.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8076.512986][ 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 [ 8076.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8076.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8076.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8076.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8076.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8076.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8076.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8076.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8076.513010][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8076.513012][ C2] PKRU: 55555554 [ 8076.513013][ C2] Call Trace: [ 8076.513015][ C2] [ 8076.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8076.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8076.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8076.513032][ C2] ? lock_acquire+0x10c/0x170 [ 8076.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8076.513040][ C2] mptcp_try_fallback+0x14b/0x360 [ 8076.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8076.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8076.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8076.513056][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8076.513061][ C2] __mptcp_retrans+0x42a/0x960 [ 8076.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8076.513073][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8076.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8076.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8076.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8076.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8076.513093][ C2] ? lock_acquire+0x10c/0x170 [ 8076.513097][ C2] ? release_sock+0x1f/0x1d0 [ 8076.513102][ C2] release_sock+0x17f/0x1d0 [ 8076.513105][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8076.513112][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8076.513116][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8076.513120][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8076.513124][ C2] ? find_held_lock+0x2b/0x80 [ 8076.513128][ C2] sock_write_iter+0x3c1/0x520 [ 8076.513132][ C2] ? __up_write+0x1ad/0x530 [ 8076.513136][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8076.513142][ C2] ? ksys_write+0xf7/0x1d0 [ 8076.513148][ C2] vfs_write+0xc0c/0x1210 [ 8076.513151][ C2] ? ksys_write+0x137/0x1d0 [ 8076.513154][ C2] ? __lock_release+0x5d/0x170 [ 8076.513158][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8076.513162][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8076.513169][ C2] ksys_write+0x183/0x1d0 [ 8076.513172][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8076.513175][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8076.513181][ C2] do_syscall_64+0xc1/0x380 [ 8076.513185][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8076.513188][ C2] RIP: 0033:0x7f471c970337 [ 8076.513193][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8076.513195][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8076.513198][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8076.513201][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8076.513204][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8076.513206][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8076.513208][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8076.513215][ C2] [ 8091.037333][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5836485 jiffies s: 68525 root: 0x4/. [ 8091.037753][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8091.038010][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8091.038163][ C2] NMI backtrace for cpu 2 [ 8091.038169][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8091.038175][ C2] Tainted: [L]=SOFTLOCKUP [ 8091.038176][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8091.038178][ C2] RIP: 0010:vring_interrupt+0x3f/0x350 [ 8091.038185][ C2] Code: 7e 40 41 54 48 89 fa 55 48 89 f5 48 c1 ea 03 53 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 97 02 00 00 0f b6 5d 40 <80> fb 01 0f 87 ac 8f a0 fe 48 b8 00 00 00 00 00 fc ff df 48 8d 7d [ 8091.038189][ C2] RSP: 0018:ffffc90000218ea0 EFLAGS: 00000046 [ 8091.038192][ C2] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa03f1df0 [ 8091.038195][ C2] RDX: 0000000000000000 RSI: ffff888006350a00 RDI: ffff888006350a40 [ 8091.038197][ C2] RBP: ffff888006350a00 R08: 0000000000000001 R09: fffff520000431c6 [ 8091.038199][ C2] R10: 0000000000000003 R11: ffffc90000218ff8 R12: 0000000000000000 [ 8091.038201][ C2] R13: ffff88800625bd78 R14: dffffc0000000000 R15: ffff88800625bd38 [ 8091.038203][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8091.038206][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8091.038209][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8091.038211][ C2] PKRU: 55555554 [ 8091.038213][ C2] Call Trace: [ 8091.038215][ C2] [ 8091.038218][ C2] vm_interrupt+0xd2/0x160 [ 8091.038226][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 8091.038229][ C2] __handle_irq_event_percpu+0x190/0x310 [ 8091.038237][ C2] handle_irq_event+0xaa/0x1c0 [ 8091.038241][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 8091.038247][ C2] __common_interrupt+0xad/0x1d0 [ 8091.038254][ C2] common_interrupt+0xb9/0xe0 [ 8091.038259][ C2] [ 8091.038260][ C2] [ 8091.038262][ C2] asm_common_interrupt+0x26/0x40 [ 8091.038266][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8091.038270][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8091.038273][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8091.038276][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8091.038278][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8091.038280][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8091.038282][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8091.038285][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8091.038289][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8091.038295][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8091.038302][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8091.038305][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8091.038308][ C2] ? lock_acquire+0x10c/0x170 [ 8091.038311][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8091.038317][ C2] mptcp_try_fallback+0x14b/0x360 [ 8091.038321][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8091.038328][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8091.038330][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8091.038333][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8091.038338][ C2] __mptcp_retrans+0x42a/0x960 [ 8091.038344][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8091.038349][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8091.038354][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8091.038361][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8091.038364][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8091.038367][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8091.038370][ C2] ? lock_acquire+0x10c/0x170 [ 8091.038373][ C2] ? release_sock+0x1f/0x1d0 [ 8091.038378][ C2] release_sock+0x17f/0x1d0 [ 8091.038382][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8091.038389][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8091.038393][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8091.038397][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8091.038401][ C2] ? find_held_lock+0x2b/0x80 [ 8091.038405][ C2] sock_write_iter+0x3c1/0x520 [ 8091.038409][ C2] ? __up_write+0x1ad/0x530 [ 8091.038413][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8091.038420][ C2] ? ksys_write+0xf7/0x1d0 [ 8091.038425][ C2] vfs_write+0xc0c/0x1210 [ 8091.038429][ C2] ? ksys_write+0x137/0x1d0 [ 8091.038432][ C2] ? __lock_release+0x5d/0x170 [ 8091.038436][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8091.038440][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8091.038447][ C2] ksys_write+0x183/0x1d0 [ 8091.038450][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8091.038453][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8091.038459][ C2] do_syscall_64+0xc1/0x380 [ 8091.038463][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8091.038466][ C2] RIP: 0033:0x7f471c970337 [ 8091.038471][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8091.038473][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8091.038476][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8091.038478][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8091.038480][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8091.038482][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8091.038485][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8091.038491][ C2] [ 8100.742318][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8100.742646][ C2] rcu: 2-....: (5871562 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2589722 [ 8100.743153][ C2] rcu: (t=5876225 jiffies g=1286133 q=103353 ncpus=4) [ 8100.743381][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8100.743387][ C2] Tainted: [L]=SOFTLOCKUP [ 8100.743388][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8100.743390][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8100.743396][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8100.743399][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8100.743402][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8100.743405][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8100.743407][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8100.743409][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8100.743411][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8100.743413][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8100.743415][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8100.743419][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8100.743421][ C2] PKRU: 55555554 [ 8100.743422][ C2] Call Trace: [ 8100.743424][ C2] [ 8100.743426][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8100.743434][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8100.743437][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8100.743440][ C2] ? lock_acquire+0x10c/0x170 [ 8100.743443][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8100.743448][ C2] mptcp_try_fallback+0x14b/0x360 [ 8100.743452][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8100.743458][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8100.743461][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8100.743464][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8100.743469][ C2] __mptcp_retrans+0x42a/0x960 [ 8100.743475][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8100.743480][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8100.743485][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8100.743493][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8100.743495][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8100.743499][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8100.743502][ C2] ? lock_acquire+0x10c/0x170 [ 8100.743505][ C2] ? release_sock+0x1f/0x1d0 [ 8100.743510][ C2] release_sock+0x17f/0x1d0 [ 8100.743513][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8100.743521][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8100.743524][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8100.743528][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8100.743533][ C2] ? find_held_lock+0x2b/0x80 [ 8100.743537][ C2] sock_write_iter+0x3c1/0x520 [ 8100.743540][ C2] ? __up_write+0x1ad/0x530 [ 8100.743544][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8100.743551][ C2] ? ksys_write+0xf7/0x1d0 [ 8100.743556][ C2] vfs_write+0xc0c/0x1210 [ 8100.743559][ C2] ? ksys_write+0x137/0x1d0 [ 8100.743562][ C2] ? __lock_release+0x5d/0x170 [ 8100.743566][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8100.743570][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8100.743577][ C2] ksys_write+0x183/0x1d0 [ 8100.743581][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8100.743584][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8100.743589][ C2] do_syscall_64+0xc1/0x380 [ 8100.743593][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8100.743596][ C2] RIP: 0033:0x7f471c970337 [ 8100.743600][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8100.743602][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8100.743605][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8100.743607][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8100.743609][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8100.743612][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8100.743613][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8100.743619][ C2] [ 8128.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5499s! [mptcp_connect:16956] [ 8128.512938][ 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 [ 8128.512950][ C2] irq event stamp: 64230 [ 8128.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8128.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8128.512963][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8128.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8128.512973][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8128.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 8128.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8128.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8128.512986][ 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 [ 8128.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8128.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8128.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8128.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8128.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8128.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8128.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8128.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8128.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8128.513012][ C2] PKRU: 55555554 [ 8128.513013][ C2] Call Trace: [ 8128.513015][ C2] [ 8128.513018][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8128.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8128.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8128.513032][ C2] ? lock_acquire+0x10c/0x170 [ 8128.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8128.513040][ C2] mptcp_try_fallback+0x14b/0x360 [ 8128.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8128.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8128.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8128.513056][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8128.513061][ C2] __mptcp_retrans+0x42a/0x960 [ 8128.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8128.513072][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8128.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8128.513085][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8128.513087][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8128.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8128.513093][ C2] ? lock_acquire+0x10c/0x170 [ 8128.513096][ C2] ? release_sock+0x1f/0x1d0 [ 8128.513101][ C2] release_sock+0x17f/0x1d0 [ 8128.513105][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8128.513112][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8128.513115][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8128.513119][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8128.513124][ C2] ? find_held_lock+0x2b/0x80 [ 8128.513128][ C2] sock_write_iter+0x3c1/0x520 [ 8128.513131][ C2] ? __up_write+0x1ad/0x530 [ 8128.513135][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8128.513142][ C2] ? ksys_write+0xf7/0x1d0 [ 8128.513148][ C2] vfs_write+0xc0c/0x1210 [ 8128.513151][ C2] ? ksys_write+0x137/0x1d0 [ 8128.513154][ C2] ? __lock_release+0x5d/0x170 [ 8128.513158][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8128.513162][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8128.513169][ C2] ksys_write+0x183/0x1d0 [ 8128.513172][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8128.513175][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8128.513181][ C2] do_syscall_64+0xc1/0x380 [ 8128.513185][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8128.513188][ C2] RIP: 0033:0x7f471c970337 [ 8128.513193][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8128.513195][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8128.513198][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8128.513200][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8128.513203][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8128.513205][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8128.513207][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8128.513213][ C2] [ 8156.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5525s! [mptcp_connect:16956] [ 8156.512938][ 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 [ 8156.512950][ C2] irq event stamp: 64230 [ 8156.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8156.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8156.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8156.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8156.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8156.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 8156.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8156.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8156.512985][ 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 [ 8156.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8156.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8156.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8156.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8156.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8156.513000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8156.513002][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8156.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8156.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8156.513011][ C2] PKRU: 55555554 [ 8156.513013][ C2] Call Trace: [ 8156.513015][ C2] [ 8156.513017][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8156.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8156.513029][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8156.513031][ C2] ? lock_acquire+0x10c/0x170 [ 8156.513035][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8156.513039][ C2] mptcp_try_fallback+0x14b/0x360 [ 8156.513043][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8156.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8156.513053][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8156.513056][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8156.513061][ C2] __mptcp_retrans+0x42a/0x960 [ 8156.513067][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8156.513072][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8156.513078][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8156.513084][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8156.513088][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8156.513091][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8156.513094][ C2] ? lock_acquire+0x10c/0x170 [ 8156.513097][ C2] ? release_sock+0x1f/0x1d0 [ 8156.513102][ C2] release_sock+0x17f/0x1d0 [ 8156.513106][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8156.513113][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8156.513116][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8156.513120][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8156.513125][ C2] ? find_held_lock+0x2b/0x80 [ 8156.513129][ C2] sock_write_iter+0x3c1/0x520 [ 8156.513133][ C2] ? __up_write+0x1ad/0x530 [ 8156.513137][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8156.513144][ C2] ? ksys_write+0xf7/0x1d0 [ 8156.513149][ C2] vfs_write+0xc0c/0x1210 [ 8156.513153][ C2] ? ksys_write+0x137/0x1d0 [ 8156.513156][ C2] ? __lock_release+0x5d/0x170 [ 8156.513160][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8156.513164][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8156.513171][ C2] ksys_write+0x183/0x1d0 [ 8156.513174][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8156.513177][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8156.513183][ C2] do_syscall_64+0xc1/0x380 [ 8156.513187][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8156.513190][ C2] RIP: 0033:0x7f471c970337 [ 8156.513195][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8156.513197][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8156.513200][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8156.513202][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8156.513204][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8156.513207][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8156.513209][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8156.513216][ C2] [ 8178.745320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8178.745728][ C2] rcu: 2-....: (5949518 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2628707 [ 8178.746255][ C2] rcu: (t=5954228 jiffies g=1286133 q=104376 ncpus=4) [ 8178.746502][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8178.746509][ C2] Tainted: [L]=SOFTLOCKUP [ 8178.746510][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8178.746513][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8178.746526][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8178.746530][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8178.746534][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8178.746536][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8178.746539][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8178.746541][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8178.746543][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8178.746546][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8178.746549][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8178.746553][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8178.746555][ C2] PKRU: 55555554 [ 8178.746556][ C2] Call Trace: [ 8178.746558][ C2] [ 8178.746561][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8178.746568][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8178.746574][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8178.746577][ C2] ? lock_acquire+0x10c/0x170 [ 8178.746583][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8178.746591][ C2] mptcp_try_fallback+0x14b/0x360 [ 8178.746595][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8178.746602][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8178.746605][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8178.746607][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8178.746612][ C2] __mptcp_retrans+0x42a/0x960 [ 8178.746619][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8178.746624][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8178.746633][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8178.746641][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8178.746644][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8178.746647][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8178.746650][ C2] ? lock_acquire+0x10c/0x170 [ 8178.746653][ C2] ? release_sock+0x1f/0x1d0 [ 8178.746660][ C2] release_sock+0x17f/0x1d0 [ 8178.746664][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8178.746671][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8178.746675][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8178.746679][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8178.746686][ C2] ? find_held_lock+0x2b/0x80 [ 8178.746691][ C2] sock_write_iter+0x3c1/0x520 [ 8178.746697][ C2] ? __up_write+0x1ad/0x530 [ 8178.746703][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8178.746709][ C2] ? ksys_write+0xf7/0x1d0 [ 8178.746718][ C2] vfs_write+0xc0c/0x1210 [ 8178.746721][ C2] ? ksys_write+0x137/0x1d0 [ 8178.746724][ C2] ? __lock_release+0x5d/0x170 [ 8178.746728][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8178.746732][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8178.746739][ C2] ksys_write+0x183/0x1d0 [ 8178.746743][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8178.746746][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8178.746754][ C2] do_syscall_64+0xc1/0x380 [ 8178.746759][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8178.746763][ C2] RIP: 0033:0x7f471c970337 [ 8178.746773][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8178.746775][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8178.746779][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8178.746781][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8178.746783][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8178.746785][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8178.746787][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8178.746794][ C2] [ 8189.341332][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 5934789 jiffies s: 68525 root: 0x4/. [ 8189.341856][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8189.342032][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8189.342190][ C2] NMI backtrace for cpu 2 [ 8189.342197][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8189.342203][ C2] Tainted: [L]=SOFTLOCKUP [ 8189.342205][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8189.342208][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8189.342218][ 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 [ 8189.342221][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8189.342225][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 8189.342228][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8189.342230][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8189.342232][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8189.342235][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 8189.342237][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8189.342240][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8189.342243][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8189.342245][ C2] PKRU: 55555554 [ 8189.342246][ C2] Call Trace: [ 8189.342249][ C2] [ 8189.342250][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8189.342260][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8189.342268][ C2] __common_interrupt+0xad/0x1d0 [ 8189.342276][ C2] common_interrupt+0xb9/0xe0 [ 8189.342282][ C2] [ 8189.342283][ C2] [ 8189.342285][ C2] asm_common_interrupt+0x26/0x40 [ 8189.342291][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8189.342297][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8189.342299][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8189.342302][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8189.342304][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8189.342306][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8189.342308][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8189.342310][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8189.342314][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8189.342322][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8189.342329][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8189.342334][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8189.342336][ C2] ? lock_acquire+0x10c/0x170 [ 8189.342341][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8189.342349][ C2] mptcp_try_fallback+0x14b/0x360 [ 8189.342353][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8189.342360][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8189.342363][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8189.342366][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8189.342372][ C2] __mptcp_retrans+0x42a/0x960 [ 8189.342377][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8189.342383][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8189.342390][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8189.342398][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8189.342401][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8189.342404][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8189.342407][ C2] ? lock_acquire+0x10c/0x170 [ 8189.342410][ C2] ? release_sock+0x1f/0x1d0 [ 8189.342417][ C2] release_sock+0x17f/0x1d0 [ 8189.342421][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8189.342428][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8189.342432][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8189.342436][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8189.342442][ C2] ? find_held_lock+0x2b/0x80 [ 8189.342446][ C2] sock_write_iter+0x3c1/0x520 [ 8189.342452][ C2] ? __up_write+0x1ad/0x530 [ 8189.342458][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8189.342464][ C2] ? ksys_write+0xf7/0x1d0 [ 8189.342472][ C2] vfs_write+0xc0c/0x1210 [ 8189.342476][ C2] ? ksys_write+0x137/0x1d0 [ 8189.342479][ C2] ? __lock_release+0x5d/0x170 [ 8189.342483][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8189.342487][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8189.342494][ C2] ksys_write+0x183/0x1d0 [ 8189.342497][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8189.342500][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8189.342507][ C2] do_syscall_64+0xc1/0x380 [ 8189.342511][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8189.342514][ C2] RIP: 0033:0x7f471c970337 [ 8189.342520][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8189.342522][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8189.342525][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8189.342528][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8189.342530][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8189.342532][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8189.342534][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8189.342540][ C2] [ 8216.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5581s! [mptcp_connect:16956] [ 8216.512938][ 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 [ 8216.512956][ C2] irq event stamp: 64230 [ 8216.512958][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8216.512967][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8216.512971][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8216.512977][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8216.512984][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8216.512989][ C2] Tainted: [L]=SOFTLOCKUP [ 8216.512991][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8216.512993][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8216.512998][ 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 [ 8216.513000][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8216.513004][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8216.513006][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8216.513009][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8216.513011][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8216.513013][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8216.513015][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8216.513018][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8216.513022][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8216.513024][ C2] PKRU: 55555554 [ 8216.513026][ C2] Call Trace: [ 8216.513028][ C2] [ 8216.513030][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8216.513038][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8216.513043][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8216.513046][ C2] ? lock_acquire+0x10c/0x170 [ 8216.513050][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8216.513055][ C2] mptcp_try_fallback+0x14b/0x360 [ 8216.513059][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8216.513066][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8216.513069][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8216.513072][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8216.513077][ C2] __mptcp_retrans+0x42a/0x960 [ 8216.513083][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8216.513089][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8216.513096][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8216.513104][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8216.513107][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8216.513111][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8216.513113][ C2] ? lock_acquire+0x10c/0x170 [ 8216.513117][ C2] ? release_sock+0x1f/0x1d0 [ 8216.513124][ C2] release_sock+0x17f/0x1d0 [ 8216.513127][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8216.513135][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8216.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8216.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8216.513150][ C2] ? find_held_lock+0x2b/0x80 [ 8216.513155][ C2] sock_write_iter+0x3c1/0x520 [ 8216.513161][ C2] ? __up_write+0x1ad/0x530 [ 8216.513166][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8216.513173][ C2] ? ksys_write+0xf7/0x1d0 [ 8216.513181][ C2] vfs_write+0xc0c/0x1210 [ 8216.513185][ C2] ? ksys_write+0x137/0x1d0 [ 8216.513188][ C2] ? __lock_release+0x5d/0x170 [ 8216.513192][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8216.513196][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8216.513203][ C2] ksys_write+0x183/0x1d0 [ 8216.513207][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8216.513210][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8216.513217][ C2] do_syscall_64+0xc1/0x380 [ 8216.513221][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8216.513225][ C2] RIP: 0033:0x7f471c970337 [ 8216.513231][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8216.513233][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8216.513236][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8216.513239][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8216.513241][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8216.513244][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8216.513246][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8216.513252][ C2] [ 8244.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5607s! [mptcp_connect:16956] [ 8244.512938][ 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 [ 8244.512951][ C2] irq event stamp: 64230 [ 8244.512953][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8244.512962][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8244.512966][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8244.512972][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8244.512978][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8244.512984][ C2] Tainted: [L]=SOFTLOCKUP [ 8244.512986][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8244.512988][ C2] RIP: 0010:queued_spin_lock_slowpath+0xb3/0x9c0 [ 8244.512992][ 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 [ 8244.512996][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 8244.512999][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8244.513001][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8244.513004][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8244.513006][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8244.513008][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8244.513010][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8244.513013][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8244.513016][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8244.513019][ C2] PKRU: 55555554 [ 8244.513020][ C2] Call Trace: [ 8244.513023][ C2] [ 8244.513026][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8244.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8244.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8244.513042][ C2] ? lock_acquire+0x10c/0x170 [ 8244.513046][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8244.513051][ C2] mptcp_try_fallback+0x14b/0x360 [ 8244.513055][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8244.513062][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8244.513065][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8244.513068][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8244.513073][ C2] __mptcp_retrans+0x42a/0x960 [ 8244.513079][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8244.513084][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8244.513091][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8244.513098][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8244.513101][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8244.513104][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8244.513107][ C2] ? lock_acquire+0x10c/0x170 [ 8244.513110][ C2] ? release_sock+0x1f/0x1d0 [ 8244.513116][ C2] release_sock+0x17f/0x1d0 [ 8244.513120][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8244.513127][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8244.513131][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8244.513135][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8244.513140][ C2] ? find_held_lock+0x2b/0x80 [ 8244.513144][ C2] sock_write_iter+0x3c1/0x520 [ 8244.513150][ C2] ? __up_write+0x1ad/0x530 [ 8244.513155][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8244.513161][ C2] ? ksys_write+0xf7/0x1d0 [ 8244.513168][ C2] vfs_write+0xc0c/0x1210 [ 8244.513172][ C2] ? ksys_write+0x137/0x1d0 [ 8244.513175][ C2] ? __lock_release+0x5d/0x170 [ 8244.513179][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8244.513183][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8244.513190][ C2] ksys_write+0x183/0x1d0 [ 8244.513194][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8244.513197][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8244.513204][ C2] do_syscall_64+0xc1/0x380 [ 8244.513207][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8244.513211][ C2] RIP: 0033:0x7f471c970337 [ 8244.513216][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8244.513218][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8244.513221][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8244.513224][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8244.513226][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8244.513228][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8244.513230][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8244.513237][ C2] [ 8256.748319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8256.748654][ C2] rcu: 2-....: (6027456 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2667683 [ 8256.749168][ C2] rcu: (t=6032231 jiffies g=1286133 q=105802 ncpus=4) [ 8256.749413][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8256.749419][ C2] Tainted: [L]=SOFTLOCKUP [ 8256.749420][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8256.749422][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 8256.749429][ 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 [ 8256.749433][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000282 [ 8256.749436][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8256.749439][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8256.749441][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8256.749442][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8256.749445][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8256.749447][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8256.749450][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8256.749453][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8256.749455][ C2] PKRU: 55555554 [ 8256.749457][ C2] Call Trace: [ 8256.749458][ C2] [ 8256.749460][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8256.749467][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8256.749474][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8256.749478][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8256.749480][ C2] ? lock_acquire+0x10c/0x170 [ 8256.749485][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8256.749491][ C2] mptcp_try_fallback+0x14b/0x360 [ 8256.749495][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8256.749501][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8256.749504][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8256.749507][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8256.749512][ C2] __mptcp_retrans+0x42a/0x960 [ 8256.749518][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8256.749523][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8256.749529][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8256.749536][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8256.749539][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8256.749547][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8256.749550][ C2] ? lock_acquire+0x10c/0x170 [ 8256.749554][ C2] ? release_sock+0x1f/0x1d0 [ 8256.749559][ C2] release_sock+0x17f/0x1d0 [ 8256.749562][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8256.749570][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8256.749574][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8256.749578][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8256.749582][ C2] ? find_held_lock+0x2b/0x80 [ 8256.749587][ C2] sock_write_iter+0x3c1/0x520 [ 8256.749591][ C2] ? __up_write+0x1ad/0x530 [ 8256.749595][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8256.749602][ C2] ? ksys_write+0xf7/0x1d0 [ 8256.749608][ C2] vfs_write+0xc0c/0x1210 [ 8256.749611][ C2] ? ksys_write+0x137/0x1d0 [ 8256.749613][ C2] ? __lock_release+0x5d/0x170 [ 8256.749617][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8256.749621][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8256.749628][ C2] ksys_write+0x183/0x1d0 [ 8256.749632][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8256.749635][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8256.749641][ C2] do_syscall_64+0xc1/0x380 [ 8256.749644][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8256.749648][ C2] RIP: 0033:0x7f471c970337 [ 8256.749653][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8256.749655][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8256.749658][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8256.749660][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8256.749662][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8256.749665][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8256.749667][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8256.749673][ C2] [ 8284.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5644s! [mptcp_connect:16956] [ 8284.512938][ 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 [ 8284.512951][ C2] irq event stamp: 64230 [ 8284.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8284.512959][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8284.512964][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8284.512969][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8284.512974][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8284.512980][ C2] Tainted: [L]=SOFTLOCKUP [ 8284.512981][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8284.512984][ C2] RIP: 0010:kasan_check_range+0x106/0x1c0 [ 8284.512989][ 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 [ 8284.512992][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000246 [ 8284.512995][ C2] RAX: ffffed100170bd67 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 8284.512998][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8284.513000][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 8284.513002][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8284.513005][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8284.513007][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8284.513009][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8284.513013][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8284.513015][ C2] PKRU: 55555554 [ 8284.513017][ C2] Call Trace: [ 8284.513019][ C2] [ 8284.513022][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8284.513027][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8284.513034][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8284.513038][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8284.513041][ C2] ? lock_acquire+0x10c/0x170 [ 8284.513045][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8284.513050][ C2] mptcp_try_fallback+0x14b/0x360 [ 8284.513054][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8284.513060][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8284.513063][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8284.513066][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8284.513071][ C2] __mptcp_retrans+0x42a/0x960 [ 8284.513077][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8284.513082][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8284.513088][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8284.513095][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8284.513098][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8284.513101][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8284.513104][ C2] ? lock_acquire+0x10c/0x170 [ 8284.513107][ C2] ? release_sock+0x1f/0x1d0 [ 8284.513112][ C2] release_sock+0x17f/0x1d0 [ 8284.513116][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8284.513124][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8284.513127][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8284.513132][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8284.513136][ C2] ? find_held_lock+0x2b/0x80 [ 8284.513140][ C2] sock_write_iter+0x3c1/0x520 [ 8284.513145][ C2] ? __up_write+0x1ad/0x530 [ 8284.513149][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8284.513156][ C2] ? ksys_write+0xf7/0x1d0 [ 8284.513161][ C2] vfs_write+0xc0c/0x1210 [ 8284.513165][ C2] ? ksys_write+0x137/0x1d0 [ 8284.513167][ C2] ? __lock_release+0x5d/0x170 [ 8284.513172][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8284.513175][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8284.513183][ C2] ksys_write+0x183/0x1d0 [ 8284.513187][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8284.513190][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8284.513196][ C2] do_syscall_64+0xc1/0x380 [ 8284.513199][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8284.513203][ C2] RIP: 0033:0x7f471c970337 [ 8284.513208][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8284.513210][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8284.513213][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8284.513215][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8284.513218][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8284.513220][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8284.513222][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8284.513228][ C2] [ 8287.645333][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6033093 jiffies s: 68525 root: 0x4/. [ 8287.645829][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8287.646004][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8287.646164][ C2] NMI backtrace for cpu 2 [ 8287.646169][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8287.646175][ C2] Tainted: [L]=SOFTLOCKUP [ 8287.646176][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8287.646178][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8287.646185][ 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 [ 8287.646188][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8287.646191][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 8287.646194][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8287.646196][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8287.646198][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8287.646200][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 8287.646202][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8287.646204][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8287.646208][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8287.646210][ C2] PKRU: 55555554 [ 8287.646211][ C2] Call Trace: [ 8287.646214][ C2] [ 8287.646215][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8287.646225][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8287.646233][ C2] __common_interrupt+0xad/0x1d0 [ 8287.646240][ C2] common_interrupt+0xb9/0xe0 [ 8287.646245][ C2] [ 8287.646246][ C2] [ 8287.646248][ C2] asm_common_interrupt+0x26/0x40 [ 8287.646252][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8287.646257][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8287.646259][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8287.646262][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8287.646264][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8287.646266][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8287.646268][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8287.646271][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8287.646275][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8287.646281][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8287.646288][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8287.646292][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8287.646295][ C2] ? lock_acquire+0x10c/0x170 [ 8287.646299][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8287.646305][ C2] mptcp_try_fallback+0x14b/0x360 [ 8287.646309][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8287.646316][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8287.646319][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8287.646322][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8287.646327][ C2] __mptcp_retrans+0x42a/0x960 [ 8287.646333][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8287.646339][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8287.646344][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8287.646351][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8287.646354][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8287.646357][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8287.646360][ C2] ? lock_acquire+0x10c/0x170 [ 8287.646363][ C2] ? release_sock+0x1f/0x1d0 [ 8287.646368][ C2] release_sock+0x17f/0x1d0 [ 8287.646372][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8287.646379][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8287.646383][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8287.646387][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8287.646391][ C2] ? find_held_lock+0x2b/0x80 [ 8287.646395][ C2] sock_write_iter+0x3c1/0x520 [ 8287.646399][ C2] ? __up_write+0x1ad/0x530 [ 8287.646403][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8287.646409][ C2] ? ksys_write+0xf7/0x1d0 [ 8287.646415][ C2] vfs_write+0xc0c/0x1210 [ 8287.646418][ C2] ? ksys_write+0x137/0x1d0 [ 8287.646421][ C2] ? __lock_release+0x5d/0x170 [ 8287.646425][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8287.646429][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8287.646436][ C2] ksys_write+0x183/0x1d0 [ 8287.646439][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8287.646441][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8287.646447][ C2] do_syscall_64+0xc1/0x380 [ 8287.646450][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8287.646453][ C2] RIP: 0033:0x7f471c970337 [ 8287.646458][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8287.646459][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8287.646463][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8287.646465][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8287.646467][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8287.646469][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8287.646472][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8287.646478][ C2] [ 8312.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5670s! [mptcp_connect:16956] [ 8312.512938][ 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 [ 8312.512950][ C2] irq event stamp: 64230 [ 8312.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8312.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8312.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8312.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8312.512973][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8312.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 8312.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8312.512981][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [ 8312.512986][ 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 [ 8312.512990][ C2] RSP: 0018:ffffc9000029f5b8 EFLAGS: 00000282 [ 8312.512993][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8312.512995][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8312.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8312.513000][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8312.513002][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8312.513004][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8312.513007][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8312.513010][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8312.513013][ C2] PKRU: 55555554 [ 8312.513014][ C2] Call Trace: [ 8312.513016][ C2] [ 8312.513019][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8312.513024][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8312.513031][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8312.513035][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8312.513038][ C2] ? lock_acquire+0x10c/0x170 [ 8312.513041][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8312.513046][ C2] mptcp_try_fallback+0x14b/0x360 [ 8312.513050][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8312.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8312.513060][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8312.513063][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8312.513068][ C2] __mptcp_retrans+0x42a/0x960 [ 8312.513074][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8312.513079][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8312.513085][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8312.513092][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8312.513095][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8312.513098][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8312.513101][ C2] ? lock_acquire+0x10c/0x170 [ 8312.513104][ C2] ? release_sock+0x1f/0x1d0 [ 8312.513110][ C2] release_sock+0x17f/0x1d0 [ 8312.513113][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8312.513121][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8312.513125][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8312.513129][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8312.513133][ C2] ? find_held_lock+0x2b/0x80 [ 8312.513137][ C2] sock_write_iter+0x3c1/0x520 [ 8312.513142][ C2] ? __up_write+0x1ad/0x530 [ 8312.513146][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8312.513152][ C2] ? ksys_write+0xf7/0x1d0 [ 8312.513158][ C2] vfs_write+0xc0c/0x1210 [ 8312.513161][ C2] ? ksys_write+0x137/0x1d0 [ 8312.513164][ C2] ? __lock_release+0x5d/0x170 [ 8312.513168][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8312.513172][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8312.513179][ C2] ksys_write+0x183/0x1d0 [ 8312.513182][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8312.513185][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8312.513191][ C2] do_syscall_64+0xc1/0x380 [ 8312.513194][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8312.513197][ C2] RIP: 0033:0x7f471c970337 [ 8312.513202][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8312.513203][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8312.513207][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8312.513209][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8312.513211][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8312.513214][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8312.513216][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8312.513222][ C2] [ 8334.751319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8334.751664][ C2] rcu: 2-....: (6105394 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2706662 [ 8334.752058][ C2] rcu: (t=6110234 jiffies g=1286133 q=107237 ncpus=4) [ 8334.752407][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8334.752412][ C2] Tainted: [L]=SOFTLOCKUP [ 8334.752414][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8334.752416][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8334.752422][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8334.752425][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8334.752428][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8334.752430][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8334.752433][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8334.752435][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8334.752437][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8334.752440][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8334.752442][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8334.752446][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8334.752448][ C2] PKRU: 55555554 [ 8334.752450][ C2] Call Trace: [ 8334.752451][ C2] [ 8334.752453][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8334.752461][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8334.752465][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8334.752468][ C2] ? lock_acquire+0x10c/0x170 [ 8334.752472][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8334.752478][ C2] mptcp_try_fallback+0x14b/0x360 [ 8334.752482][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8334.752488][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8334.752491][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8334.752495][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8334.752500][ C2] __mptcp_retrans+0x42a/0x960 [ 8334.752505][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8334.752511][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8334.752516][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8334.752523][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8334.752526][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8334.752529][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8334.752532][ C2] ? lock_acquire+0x10c/0x170 [ 8334.752535][ C2] ? release_sock+0x1f/0x1d0 [ 8334.752539][ C2] release_sock+0x17f/0x1d0 [ 8334.752543][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8334.752550][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8334.752554][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8334.752558][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8334.752563][ C2] ? find_held_lock+0x2b/0x80 [ 8334.752567][ C2] sock_write_iter+0x3c1/0x520 [ 8334.752571][ C2] ? __up_write+0x1ad/0x530 [ 8334.752575][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8334.752581][ C2] ? ksys_write+0xf7/0x1d0 [ 8334.752586][ C2] vfs_write+0xc0c/0x1210 [ 8334.752589][ C2] ? ksys_write+0x137/0x1d0 [ 8334.752592][ C2] ? __lock_release+0x5d/0x170 [ 8334.752596][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8334.752600][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8334.752607][ C2] ksys_write+0x183/0x1d0 [ 8334.752611][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8334.752614][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8334.752620][ C2] do_syscall_64+0xc1/0x380 [ 8334.752623][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8334.752626][ C2] RIP: 0033:0x7f471c970337 [ 8334.752631][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8334.752633][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8334.752636][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8334.752638][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8334.752640][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8334.752642][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8334.752644][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8334.752651][ C2] [ 8360.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5715s! [mptcp_connect:16956] [ 8360.512938][ 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 [ 8360.512950][ C2] irq event stamp: 64230 [ 8360.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8360.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8360.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8360.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8360.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8360.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 8360.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8360.512981][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 8360.512986][ C2] Code: c7 c7 40 05 87 a3 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 [ 8360.512989][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 8360.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8360.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8360.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8360.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8360.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8360.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8360.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8360.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8360.513011][ C2] PKRU: 55555554 [ 8360.513013][ C2] Call Trace: [ 8360.513015][ C2] [ 8360.513017][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8360.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8360.513030][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8360.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8360.513036][ C2] ? lock_acquire+0x10c/0x170 [ 8360.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8360.513044][ C2] mptcp_try_fallback+0x14b/0x360 [ 8360.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8360.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8360.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8360.513061][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8360.513066][ C2] __mptcp_retrans+0x42a/0x960 [ 8360.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8360.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8360.513083][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8360.513090][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8360.513093][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8360.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8360.513099][ C2] ? lock_acquire+0x10c/0x170 [ 8360.513102][ C2] ? release_sock+0x1f/0x1d0 [ 8360.513107][ C2] release_sock+0x17f/0x1d0 [ 8360.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8360.513119][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8360.513122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8360.513127][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8360.513131][ C2] ? find_held_lock+0x2b/0x80 [ 8360.513135][ C2] sock_write_iter+0x3c1/0x520 [ 8360.513139][ C2] ? __up_write+0x1ad/0x530 [ 8360.513143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8360.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 8360.513155][ C2] vfs_write+0xc0c/0x1210 [ 8360.513159][ C2] ? ksys_write+0x137/0x1d0 [ 8360.513162][ C2] ? __lock_release+0x5d/0x170 [ 8360.513166][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8360.513169][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8360.513177][ C2] ksys_write+0x183/0x1d0 [ 8360.513180][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8360.513183][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8360.513189][ C2] do_syscall_64+0xc1/0x380 [ 8360.513192][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8360.513196][ C2] RIP: 0033:0x7f471c970337 [ 8360.513200][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8360.513202][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8360.513206][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8360.513208][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8360.513210][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8360.513212][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8360.513214][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8360.513221][ C2] [ 8385.949332][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6131397 jiffies s: 68525 root: 0x4/. [ 8385.949842][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8385.950022][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8385.950175][ C2] NMI backtrace for cpu 2 [ 8385.950180][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8385.950186][ C2] Tainted: [L]=SOFTLOCKUP [ 8385.950187][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8385.950189][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8385.950196][ 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 [ 8385.950200][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8385.950203][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 8385.950206][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8385.950208][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8385.950210][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8385.950212][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 8385.950214][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8385.950217][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8385.950221][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8385.950223][ C2] PKRU: 55555554 [ 8385.950225][ C2] Call Trace: [ 8385.950227][ C2] [ 8385.950229][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8385.950238][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8385.950246][ C2] __common_interrupt+0xad/0x1d0 [ 8385.950252][ C2] common_interrupt+0xb9/0xe0 [ 8385.950257][ C2] [ 8385.950259][ C2] [ 8385.950261][ C2] asm_common_interrupt+0x26/0x40 [ 8385.950264][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8385.950269][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8385.950272][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8385.950275][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8385.950277][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8385.950279][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8385.950281][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8385.950283][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8385.950287][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8385.950294][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8385.950301][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8385.950304][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8385.950307][ C2] ? lock_acquire+0x10c/0x170 [ 8385.950310][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8385.950317][ C2] mptcp_try_fallback+0x14b/0x360 [ 8385.950321][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8385.950327][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8385.950330][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8385.950333][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8385.950338][ C2] __mptcp_retrans+0x42a/0x960 [ 8385.950344][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8385.950349][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8385.950354][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8385.950361][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8385.950364][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8385.950367][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8385.950370][ C2] ? lock_acquire+0x10c/0x170 [ 8385.950373][ C2] ? release_sock+0x1f/0x1d0 [ 8385.950378][ C2] release_sock+0x17f/0x1d0 [ 8385.950381][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8385.950388][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8385.950392][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8385.950396][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8385.950400][ C2] ? find_held_lock+0x2b/0x80 [ 8385.950404][ C2] sock_write_iter+0x3c1/0x520 [ 8385.950408][ C2] ? __up_write+0x1ad/0x530 [ 8385.950412][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8385.950419][ C2] ? ksys_write+0xf7/0x1d0 [ 8385.950424][ C2] vfs_write+0xc0c/0x1210 [ 8385.950427][ C2] ? ksys_write+0x137/0x1d0 [ 8385.950430][ C2] ? __lock_release+0x5d/0x170 [ 8385.950434][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8385.950438][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8385.950445][ C2] ksys_write+0x183/0x1d0 [ 8385.950448][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8385.950451][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8385.950456][ C2] do_syscall_64+0xc1/0x380 [ 8385.950460][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8385.950463][ C2] RIP: 0033:0x7f471c970337 [ 8385.950467][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8385.950469][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8385.950471][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8385.950474][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8385.950476][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8385.950478][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8385.950480][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8385.950486][ C2] [ 8412.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5763s! [mptcp_connect:16956] [ 8412.512938][ 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 [ 8412.512951][ C2] irq event stamp: 64230 [ 8412.512953][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8412.512959][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8412.512963][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8412.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8412.512973][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8412.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 8412.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8412.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8412.512986][ 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 [ 8412.512990][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8412.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8412.512995][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8412.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8412.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8412.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8412.513004][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8412.513007][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8412.513011][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8412.513013][ C2] PKRU: 55555554 [ 8412.513014][ C2] Call Trace: [ 8412.513016][ C2] [ 8412.513019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8412.513027][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8412.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8412.513033][ C2] ? lock_acquire+0x10c/0x170 [ 8412.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8412.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 8412.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8412.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8412.513055][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8412.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8412.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 8412.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8412.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8412.513080][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8412.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8412.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8412.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8412.513095][ C2] ? lock_acquire+0x10c/0x170 [ 8412.513098][ C2] ? release_sock+0x1f/0x1d0 [ 8412.513103][ C2] release_sock+0x17f/0x1d0 [ 8412.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8412.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8412.513119][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8412.513123][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8412.513127][ C2] ? find_held_lock+0x2b/0x80 [ 8412.513131][ C2] sock_write_iter+0x3c1/0x520 [ 8412.513135][ C2] ? __up_write+0x1ad/0x530 [ 8412.513139][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8412.513146][ C2] ? ksys_write+0xf7/0x1d0 [ 8412.513151][ C2] vfs_write+0xc0c/0x1210 [ 8412.513155][ C2] ? ksys_write+0x137/0x1d0 [ 8412.513158][ C2] ? __lock_release+0x5d/0x170 [ 8412.513162][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8412.513166][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8412.513173][ C2] ksys_write+0x183/0x1d0 [ 8412.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8412.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8412.513185][ C2] do_syscall_64+0xc1/0x380 [ 8412.513189][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8412.513192][ C2] RIP: 0033:0x7f471c970337 [ 8412.513196][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8412.513198][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8412.513201][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8412.513203][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8412.513205][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8412.513208][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8412.513210][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8412.513216][ C2] [ 8412.754318][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8412.754635][ C2] rcu: 2-....: (6183332 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2745639 [ 8412.755145][ C2] rcu: (t=6188237 jiffies g=1286133 q=108666 ncpus=4) [ 8412.755377][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8412.755382][ C2] Tainted: [L]=SOFTLOCKUP [ 8412.755384][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8412.755385][ C2] RIP: 0010:__kasan_check_read+0x8/0x20 [ 8412.755391][ 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 [ 8412.755394][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 8412.755397][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8412.755400][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8412.755402][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8412.755404][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8412.755407][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8412.755409][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8412.755411][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8412.755415][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8412.755417][ C2] PKRU: 55555554 [ 8412.755418][ C2] Call Trace: [ 8412.755419][ C2] [ 8412.755421][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8412.755427][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8412.755434][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8412.755437][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8412.755440][ C2] ? lock_acquire+0x10c/0x170 [ 8412.755443][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8412.755448][ C2] mptcp_try_fallback+0x14b/0x360 [ 8412.755452][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8412.755458][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8412.755461][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8412.755464][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8412.755469][ C2] __mptcp_retrans+0x42a/0x960 [ 8412.755475][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8412.755480][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8412.755485][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8412.755492][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8412.755495][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8412.755498][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8412.755501][ C2] ? lock_acquire+0x10c/0x170 [ 8412.755504][ C2] ? release_sock+0x1f/0x1d0 [ 8412.755509][ C2] release_sock+0x17f/0x1d0 [ 8412.755513][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8412.755520][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8412.755524][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8412.755528][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8412.755532][ C2] ? find_held_lock+0x2b/0x80 [ 8412.755536][ C2] sock_write_iter+0x3c1/0x520 [ 8412.755540][ C2] ? __up_write+0x1ad/0x530 [ 8412.755544][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8412.755551][ C2] ? ksys_write+0xf7/0x1d0 [ 8412.755556][ C2] vfs_write+0xc0c/0x1210 [ 8412.755559][ C2] ? ksys_write+0x137/0x1d0 [ 8412.755562][ C2] ? __lock_release+0x5d/0x170 [ 8412.755566][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8412.755570][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8412.755577][ C2] ksys_write+0x183/0x1d0 [ 8412.755580][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8412.755583][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8412.755588][ C2] do_syscall_64+0xc1/0x380 [ 8412.755592][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8412.755595][ C2] RIP: 0033:0x7f471c970337 [ 8412.755600][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8412.755601][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8412.755604][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8412.755606][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8412.755608][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8412.755610][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8412.755612][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8412.755618][ C2] [ 8440.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5789s! [mptcp_connect:16956] [ 8440.512937][ 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 [ 8440.512950][ C2] irq event stamp: 64230 [ 8440.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8440.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8440.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8440.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8440.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8440.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 8440.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8440.512981][ C2] RIP: 0010:kasan_check_range+0x77/0x1c0 [ 8440.512986][ 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 [ 8440.512989][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000286 [ 8440.512992][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8440.512994][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8440.512997][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 8440.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8440.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8440.513003][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8440.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8440.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8440.513011][ C2] PKRU: 55555554 [ 8440.513012][ C2] Call Trace: [ 8440.513014][ C2] [ 8440.513017][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8440.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8440.513030][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8440.513034][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8440.513037][ C2] ? lock_acquire+0x10c/0x170 [ 8440.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8440.513045][ C2] mptcp_try_fallback+0x14b/0x360 [ 8440.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8440.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8440.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8440.513061][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8440.513066][ C2] __mptcp_retrans+0x42a/0x960 [ 8440.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8440.513077][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8440.513083][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8440.513090][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8440.513092][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8440.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8440.513099][ C2] ? lock_acquire+0x10c/0x170 [ 8440.513102][ C2] ? release_sock+0x1f/0x1d0 [ 8440.513107][ C2] release_sock+0x17f/0x1d0 [ 8440.513110][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8440.513118][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8440.513122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8440.513126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8440.513130][ C2] ? find_held_lock+0x2b/0x80 [ 8440.513134][ C2] sock_write_iter+0x3c1/0x520 [ 8440.513139][ C2] ? __up_write+0x1ad/0x530 [ 8440.513143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8440.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 8440.513155][ C2] vfs_write+0xc0c/0x1210 [ 8440.513158][ C2] ? ksys_write+0x137/0x1d0 [ 8440.513161][ C2] ? __lock_release+0x5d/0x170 [ 8440.513165][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8440.513169][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8440.513176][ C2] ksys_write+0x183/0x1d0 [ 8440.513179][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8440.513182][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8440.513188][ C2] do_syscall_64+0xc1/0x380 [ 8440.513192][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8440.513195][ C2] RIP: 0033:0x7f471c970337 [ 8440.513199][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8440.513201][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8440.513204][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8440.513207][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8440.513209][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8440.513211][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8440.513213][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8440.513219][ C2] [ 8468.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5815s! [mptcp_connect:16956] [ 8468.512937][ 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 [ 8468.512949][ C2] irq event stamp: 64230 [ 8468.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8468.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8468.512961][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8468.512965][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8468.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8468.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 8468.512977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8468.512979][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8468.512984][ 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 [ 8468.512987][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8468.512990][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8468.512992][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8468.512995][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8468.512997][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8468.512999][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8468.513001][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8468.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8468.513008][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8468.513010][ C2] PKRU: 55555554 [ 8468.513012][ C2] Call Trace: [ 8468.513014][ C2] [ 8468.513017][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8468.513024][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8468.513028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8468.513031][ C2] ? lock_acquire+0x10c/0x170 [ 8468.513034][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8468.513039][ C2] mptcp_try_fallback+0x14b/0x360 [ 8468.513043][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8468.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8468.513052][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8468.513055][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8468.513060][ C2] __mptcp_retrans+0x42a/0x960 [ 8468.513066][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8468.513072][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8468.513077][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8468.513084][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8468.513087][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8468.513090][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8468.513093][ C2] ? lock_acquire+0x10c/0x170 [ 8468.513096][ C2] ? release_sock+0x1f/0x1d0 [ 8468.513101][ C2] release_sock+0x17f/0x1d0 [ 8468.513105][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8468.513112][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8468.513116][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8468.513120][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8468.513124][ C2] ? find_held_lock+0x2b/0x80 [ 8468.513129][ C2] sock_write_iter+0x3c1/0x520 [ 8468.513133][ C2] ? __up_write+0x1ad/0x530 [ 8468.513137][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8468.513143][ C2] ? ksys_write+0xf7/0x1d0 [ 8468.513149][ C2] vfs_write+0xc0c/0x1210 [ 8468.513152][ C2] ? ksys_write+0x137/0x1d0 [ 8468.513155][ C2] ? __lock_release+0x5d/0x170 [ 8468.513159][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8468.513163][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8468.513171][ C2] ksys_write+0x183/0x1d0 [ 8468.513174][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8468.513177][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8468.513183][ C2] do_syscall_64+0xc1/0x380 [ 8468.513186][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8468.513190][ C2] RIP: 0033:0x7f471c970337 [ 8468.513195][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8468.513197][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8468.513200][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8468.513202][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8468.513204][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8468.513206][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8468.513208][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8468.513215][ C2] [ 8484.253331][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6229701 jiffies s: 68525 root: 0x4/. [ 8484.253756][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8484.253932][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8484.254165][ C2] NMI backtrace for cpu 2 [ 8484.254170][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8484.254176][ C2] Tainted: [L]=SOFTLOCKUP [ 8484.254177][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8484.254179][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8484.254185][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8484.254188][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8484.254192][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8484.254194][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8484.254197][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8484.254199][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8484.254201][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8484.254203][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8484.254206][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8484.254209][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8484.254211][ C2] PKRU: 55555554 [ 8484.254212][ C2] Call Trace: [ 8484.254215][ C2] [ 8484.254217][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8484.254225][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8484.254229][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8484.254232][ C2] ? lock_acquire+0x10c/0x170 [ 8484.254235][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8484.254241][ C2] mptcp_try_fallback+0x14b/0x360 [ 8484.254245][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8484.254251][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8484.254254][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8484.254257][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8484.254262][ C2] __mptcp_retrans+0x42a/0x960 [ 8484.254268][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8484.254273][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8484.254278][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8484.254285][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8484.254288][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8484.254291][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8484.254294][ C2] ? lock_acquire+0x10c/0x170 [ 8484.254297][ C2] ? release_sock+0x1f/0x1d0 [ 8484.254302][ C2] release_sock+0x17f/0x1d0 [ 8484.254306][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8484.254313][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8484.254318][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8484.254323][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8484.254327][ C2] ? find_held_lock+0x2b/0x80 [ 8484.254331][ C2] sock_write_iter+0x3c1/0x520 [ 8484.254335][ C2] ? __up_write+0x1ad/0x530 [ 8484.254339][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8484.254346][ C2] ? ksys_write+0xf7/0x1d0 [ 8484.254351][ C2] vfs_write+0xc0c/0x1210 [ 8484.254354][ C2] ? ksys_write+0x137/0x1d0 [ 8484.254357][ C2] ? __lock_release+0x5d/0x170 [ 8484.254361][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8484.254365][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8484.254372][ C2] ksys_write+0x183/0x1d0 [ 8484.254375][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8484.254378][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8484.254383][ C2] do_syscall_64+0xc1/0x380 [ 8484.254387][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8484.254390][ C2] RIP: 0033:0x7f471c970337 [ 8484.254394][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8484.254396][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8484.254400][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8484.254402][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8484.254404][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8484.254406][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8484.254408][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8484.254414][ C2] [ 8490.757318][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8490.757645][ C2] rcu: 2-....: (6261274 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2784619 [ 8490.758148][ C2] rcu: (t=6266240 jiffies g=1286133 q=110017 ncpus=4) [ 8490.758392][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8490.758398][ C2] Tainted: [L]=SOFTLOCKUP [ 8490.758399][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8490.758401][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8490.758407][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8490.758410][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8490.758413][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8490.758415][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8490.758418][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8490.758420][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8490.758422][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8490.758424][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8490.758427][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8490.758430][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8490.758433][ C2] PKRU: 55555554 [ 8490.758434][ C2] Call Trace: [ 8490.758435][ C2] [ 8490.758437][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8490.758445][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8490.758449][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8490.758451][ C2] ? lock_acquire+0x10c/0x170 [ 8490.758455][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8490.758460][ C2] mptcp_try_fallback+0x14b/0x360 [ 8490.758464][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8490.758470][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8490.758473][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8490.758476][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8490.758481][ C2] __mptcp_retrans+0x42a/0x960 [ 8490.758486][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8490.758492][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8490.758497][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8490.758504][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8490.758507][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8490.758510][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8490.758513][ C2] ? lock_acquire+0x10c/0x170 [ 8490.758516][ C2] ? release_sock+0x1f/0x1d0 [ 8490.758521][ C2] release_sock+0x17f/0x1d0 [ 8490.758524][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8490.758532][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8490.758535][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8490.758539][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8490.758544][ C2] ? find_held_lock+0x2b/0x80 [ 8490.758548][ C2] sock_write_iter+0x3c1/0x520 [ 8490.758552][ C2] ? __up_write+0x1ad/0x530 [ 8490.758556][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8490.758562][ C2] ? ksys_write+0xf7/0x1d0 [ 8490.758568][ C2] vfs_write+0xc0c/0x1210 [ 8490.758571][ C2] ? ksys_write+0x137/0x1d0 [ 8490.758574][ C2] ? __lock_release+0x5d/0x170 [ 8490.758578][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8490.758581][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8490.758589][ C2] ksys_write+0x183/0x1d0 [ 8490.758592][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8490.758595][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8490.758600][ C2] do_syscall_64+0xc1/0x380 [ 8490.758604][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8490.758607][ C2] RIP: 0033:0x7f471c970337 [ 8490.758611][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8490.758613][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8490.758615][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8490.758618][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8490.758620][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8490.758622][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8490.758623][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8490.758630][ C2] [ 8516.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5860s! [mptcp_connect:16956] [ 8516.512938][ 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 [ 8516.512950][ C2] irq event stamp: 64230 [ 8516.512952][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8516.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8516.512961][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8516.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8516.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8516.512976][ C2] Tainted: [L]=SOFTLOCKUP [ 8516.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8516.512980][ C2] RIP: 0010:kasan_check_range+0x81/0x1c0 [ 8516.512984][ 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 [ 8516.512988][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000286 [ 8516.512991][ C2] RAX: ffffed100170bd66 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 8516.512993][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8516.512996][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 8516.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8516.513000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8516.513002][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8516.513004][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8516.513008][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8516.513010][ C2] PKRU: 55555554 [ 8516.513012][ C2] Call Trace: [ 8516.513014][ C2] [ 8516.513016][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8516.513022][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8516.513029][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8516.513033][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8516.513036][ C2] ? lock_acquire+0x10c/0x170 [ 8516.513040][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8516.513044][ C2] mptcp_try_fallback+0x14b/0x360 [ 8516.513049][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8516.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8516.513058][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8516.513062][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8516.513067][ C2] __mptcp_retrans+0x42a/0x960 [ 8516.513072][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8516.513078][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8516.513083][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8516.513090][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8516.513093][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8516.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8516.513099][ C2] ? lock_acquire+0x10c/0x170 [ 8516.513102][ C2] ? release_sock+0x1f/0x1d0 [ 8516.513107][ C2] release_sock+0x17f/0x1d0 [ 8516.513111][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8516.513118][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8516.513122][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8516.513126][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8516.513131][ C2] ? find_held_lock+0x2b/0x80 [ 8516.513135][ C2] sock_write_iter+0x3c1/0x520 [ 8516.513139][ C2] ? __up_write+0x1ad/0x530 [ 8516.513143][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8516.513150][ C2] ? ksys_write+0xf7/0x1d0 [ 8516.513155][ C2] vfs_write+0xc0c/0x1210 [ 8516.513158][ C2] ? ksys_write+0x137/0x1d0 [ 8516.513161][ C2] ? __lock_release+0x5d/0x170 [ 8516.513165][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8516.513169][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8516.513176][ C2] ksys_write+0x183/0x1d0 [ 8516.513180][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8516.513183][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8516.513189][ C2] do_syscall_64+0xc1/0x380 [ 8516.513193][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8516.513196][ C2] RIP: 0033:0x7f471c970337 [ 8516.513200][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8516.513202][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8516.513205][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8516.513207][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8516.513210][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8516.513212][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8516.513214][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8516.513220][ C2] [ 8544.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5886s! [mptcp_connect:16956] [ 8544.512937][ 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 [ 8544.512949][ C2] irq event stamp: 64230 [ 8544.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8544.512958][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8544.512962][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8544.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8544.512971][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8544.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 8544.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8544.512980][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8544.512985][ 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 [ 8544.512988][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8544.512991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8544.512993][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8544.512996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8544.512998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8544.513000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8544.513002][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8544.513005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8544.513009][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8544.513011][ C2] PKRU: 55555554 [ 8544.513013][ C2] Call Trace: [ 8544.513015][ C2] [ 8544.513017][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8544.513025][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8544.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8544.513032][ C2] ? lock_acquire+0x10c/0x170 [ 8544.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8544.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 8544.513044][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8544.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8544.513054][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8544.513057][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8544.513062][ C2] __mptcp_retrans+0x42a/0x960 [ 8544.513068][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8544.513073][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8544.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8544.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8544.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8544.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8544.513095][ C2] ? lock_acquire+0x10c/0x170 [ 8544.513098][ C2] ? release_sock+0x1f/0x1d0 [ 8544.513103][ C2] release_sock+0x17f/0x1d0 [ 8544.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8544.513114][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8544.513118][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8544.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8544.513126][ C2] ? find_held_lock+0x2b/0x80 [ 8544.513130][ C2] sock_write_iter+0x3c1/0x520 [ 8544.513134][ C2] ? __up_write+0x1ad/0x530 [ 8544.513139][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8544.513146][ C2] ? ksys_write+0xf7/0x1d0 [ 8544.513151][ C2] vfs_write+0xc0c/0x1210 [ 8544.513154][ C2] ? ksys_write+0x137/0x1d0 [ 8544.513157][ C2] ? __lock_release+0x5d/0x170 [ 8544.513161][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8544.513165][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8544.513173][ C2] ksys_write+0x183/0x1d0 [ 8544.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8544.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8544.513185][ C2] do_syscall_64+0xc1/0x380 [ 8544.513188][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8544.513191][ C2] RIP: 0033:0x7f471c970337 [ 8544.513196][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8544.513198][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8544.513200][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8544.513203][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8544.513205][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8544.513207][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8544.513209][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8544.513215][ C2] [ 8568.760318][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8568.760664][ C2] rcu: 2-....: (6339230 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2823604 [ 8568.761161][ C2] rcu: (t=6344243 jiffies g=1286133 q=111043 ncpus=4) [ 8568.761389][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8568.761395][ C2] Tainted: [L]=SOFTLOCKUP [ 8568.761396][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8568.761398][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8568.761404][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8568.761408][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8568.761411][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8568.761413][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8568.761416][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8568.761418][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8568.761420][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8568.761422][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8568.761424][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8568.761428][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8568.761430][ C2] PKRU: 55555554 [ 8568.761432][ C2] Call Trace: [ 8568.761433][ C2] [ 8568.761436][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8568.761443][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8568.761447][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8568.761450][ C2] ? lock_acquire+0x10c/0x170 [ 8568.761454][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8568.761459][ C2] mptcp_try_fallback+0x14b/0x360 [ 8568.761463][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8568.761469][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8568.761472][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8568.761475][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8568.761480][ C2] __mptcp_retrans+0x42a/0x960 [ 8568.761486][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8568.761491][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8568.761497][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8568.761504][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8568.761507][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8568.761510][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8568.761513][ C2] ? lock_acquire+0x10c/0x170 [ 8568.761516][ C2] ? release_sock+0x1f/0x1d0 [ 8568.761521][ C2] release_sock+0x17f/0x1d0 [ 8568.761524][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8568.761532][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8568.761535][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8568.761539][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8568.761543][ C2] ? find_held_lock+0x2b/0x80 [ 8568.761547][ C2] sock_write_iter+0x3c1/0x520 [ 8568.761552][ C2] ? __up_write+0x1ad/0x530 [ 8568.761555][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8568.761562][ C2] ? ksys_write+0xf7/0x1d0 [ 8568.761568][ C2] vfs_write+0xc0c/0x1210 [ 8568.761571][ C2] ? ksys_write+0x137/0x1d0 [ 8568.761574][ C2] ? __lock_release+0x5d/0x170 [ 8568.761578][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8568.761582][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8568.761589][ C2] ksys_write+0x183/0x1d0 [ 8568.761592][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8568.761595][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8568.761600][ C2] do_syscall_64+0xc1/0x380 [ 8568.761604][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8568.761607][ C2] RIP: 0033:0x7f471c970337 [ 8568.761611][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8568.761613][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8568.761616][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8568.761618][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8568.761621][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8568.761623][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8568.761625][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8568.761631][ C2] [ 8582.557333][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6328005 jiffies s: 68525 root: 0x4/. [ 8582.557751][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8582.557927][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8582.558159][ C2] NMI backtrace for cpu 2 [ 8582.558165][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8582.558170][ C2] Tainted: [L]=SOFTLOCKUP [ 8582.558171][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8582.558173][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8582.558180][ 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 [ 8582.558183][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8582.558186][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 8582.558188][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8582.558191][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8582.558193][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8582.558195][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 8582.558197][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8582.558200][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8582.558203][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8582.558205][ C2] PKRU: 55555554 [ 8582.558207][ C2] Call Trace: [ 8582.558209][ C2] [ 8582.558211][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8582.558220][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8582.558227][ C2] __common_interrupt+0xad/0x1d0 [ 8582.558234][ C2] common_interrupt+0xb9/0xe0 [ 8582.558238][ C2] [ 8582.558240][ C2] [ 8582.558242][ C2] asm_common_interrupt+0x26/0x40 [ 8582.558245][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8582.558250][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8582.558252][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8582.558255][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8582.558258][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8582.558260][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8582.558262][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8582.558264][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8582.558268][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8582.558274][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8582.558281][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8582.558285][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8582.558288][ C2] ? lock_acquire+0x10c/0x170 [ 8582.558291][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8582.558296][ C2] mptcp_try_fallback+0x14b/0x360 [ 8582.558300][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8582.558306][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8582.558309][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8582.558312][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8582.558318][ C2] __mptcp_retrans+0x42a/0x960 [ 8582.558325][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8582.558330][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8582.558335][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8582.558341][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8582.558344][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8582.558348][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8582.558350][ C2] ? lock_acquire+0x10c/0x170 [ 8582.558353][ C2] ? release_sock+0x1f/0x1d0 [ 8582.558358][ C2] release_sock+0x17f/0x1d0 [ 8582.558362][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8582.558369][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8582.558373][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8582.558377][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8582.558381][ C2] ? find_held_lock+0x2b/0x80 [ 8582.558385][ C2] sock_write_iter+0x3c1/0x520 [ 8582.558389][ C2] ? __up_write+0x1ad/0x530 [ 8582.558393][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8582.558400][ C2] ? ksys_write+0xf7/0x1d0 [ 8582.558405][ C2] vfs_write+0xc0c/0x1210 [ 8582.558408][ C2] ? ksys_write+0x137/0x1d0 [ 8582.558411][ C2] ? __lock_release+0x5d/0x170 [ 8582.558415][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8582.558419][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8582.558426][ C2] ksys_write+0x183/0x1d0 [ 8582.558430][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8582.558433][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8582.558438][ C2] do_syscall_64+0xc1/0x380 [ 8582.558442][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8582.558445][ C2] RIP: 0033:0x7f471c970337 [ 8582.558449][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8582.558451][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8582.558454][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8582.558456][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8582.558458][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8582.558460][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8582.558462][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8582.558469][ C2] [ 8608.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5946s! [mptcp_connect:16956] [ 8608.512938][ 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 [ 8608.512951][ C2] irq event stamp: 64230 [ 8608.512953][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8608.512959][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8608.512963][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8608.512968][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8608.512973][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8608.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 8608.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8608.512982][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8608.512986][ 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 [ 8608.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8608.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8608.512995][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8608.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8608.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8608.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8608.513004][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8608.513007][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8608.513010][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8608.513012][ C2] PKRU: 55555554 [ 8608.513014][ C2] Call Trace: [ 8608.513016][ C2] [ 8608.513019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8608.513026][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8608.513030][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8608.513033][ C2] ? lock_acquire+0x10c/0x170 [ 8608.513036][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8608.513041][ C2] mptcp_try_fallback+0x14b/0x360 [ 8608.513045][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8608.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8608.513054][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8608.513057][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8608.513062][ C2] __mptcp_retrans+0x42a/0x960 [ 8608.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8608.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8608.513079][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8608.513086][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8608.513089][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8608.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8608.513095][ C2] ? lock_acquire+0x10c/0x170 [ 8608.513098][ C2] ? release_sock+0x1f/0x1d0 [ 8608.513104][ C2] release_sock+0x17f/0x1d0 [ 8608.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8608.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8608.513118][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8608.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8608.513126][ C2] ? find_held_lock+0x2b/0x80 [ 8608.513130][ C2] sock_write_iter+0x3c1/0x520 [ 8608.513134][ C2] ? __up_write+0x1ad/0x530 [ 8608.513138][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8608.513145][ C2] ? ksys_write+0xf7/0x1d0 [ 8608.513150][ C2] vfs_write+0xc0c/0x1210 [ 8608.513154][ C2] ? ksys_write+0x137/0x1d0 [ 8608.513157][ C2] ? __lock_release+0x5d/0x170 [ 8608.513161][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8608.513165][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8608.513172][ C2] ksys_write+0x183/0x1d0 [ 8608.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8608.513178][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8608.513184][ C2] do_syscall_64+0xc1/0x380 [ 8608.513188][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8608.513191][ C2] RIP: 0033:0x7f471c970337 [ 8608.513196][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8608.513197][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8608.513200][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8608.513202][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8608.513205][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8608.513207][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8608.513209][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8608.513215][ C2] [ 8636.512932][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 5972s! [mptcp_connect:16956] [ 8636.512938][ 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 [ 8636.512950][ C2] irq event stamp: 64230 [ 8636.512951][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8636.512957][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8636.512961][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8636.512966][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8636.512972][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8636.512977][ C2] Tainted: [L]=SOFTLOCKUP [ 8636.512979][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8636.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8636.512985][ 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 [ 8636.512989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8636.512992][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8636.512994][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8636.512997][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8636.512999][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8636.513001][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8636.513004][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8636.513006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8636.513010][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8636.513013][ C2] PKRU: 55555554 [ 8636.513014][ C2] Call Trace: [ 8636.513016][ C2] [ 8636.513019][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8636.513027][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8636.513031][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8636.513034][ C2] ? lock_acquire+0x10c/0x170 [ 8636.513037][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8636.513042][ C2] mptcp_try_fallback+0x14b/0x360 [ 8636.513046][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8636.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8636.513056][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8636.513058][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8636.513063][ C2] __mptcp_retrans+0x42a/0x960 [ 8636.513069][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8636.513074][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8636.513080][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8636.513087][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8636.513090][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8636.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8636.513096][ C2] ? lock_acquire+0x10c/0x170 [ 8636.513099][ C2] ? release_sock+0x1f/0x1d0 [ 8636.513104][ C2] release_sock+0x17f/0x1d0 [ 8636.513107][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8636.513115][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8636.513118][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8636.513122][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8636.513127][ C2] ? find_held_lock+0x2b/0x80 [ 8636.513131][ C2] sock_write_iter+0x3c1/0x520 [ 8636.513135][ C2] ? __up_write+0x1ad/0x530 [ 8636.513139][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8636.513145][ C2] ? ksys_write+0xf7/0x1d0 [ 8636.513151][ C2] vfs_write+0xc0c/0x1210 [ 8636.513155][ C2] ? ksys_write+0x137/0x1d0 [ 8636.513157][ C2] ? __lock_release+0x5d/0x170 [ 8636.513162][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8636.513166][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8636.513173][ C2] ksys_write+0x183/0x1d0 [ 8636.513176][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8636.513179][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8636.513185][ C2] do_syscall_64+0xc1/0x380 [ 8636.513189][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8636.513192][ C2] RIP: 0033:0x7f471c970337 [ 8636.513197][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8636.513199][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8636.513202][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8636.513204][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8636.513206][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8636.513209][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8636.513211][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8636.513217][ C2] [ 8646.763319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8646.763626][ C2] rcu: 2-....: (6417168 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2862582 [ 8646.764134][ C2] rcu: (t=6422246 jiffies g=1286133 q=112469 ncpus=4) [ 8646.764363][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8646.764368][ C2] Tainted: [L]=SOFTLOCKUP [ 8646.764370][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8646.764372][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8646.764378][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8646.764381][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8646.764384][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8646.764387][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8646.764389][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8646.764392][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8646.764394][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8646.764396][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8646.764398][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8646.764402][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8646.764404][ C2] PKRU: 55555554 [ 8646.764405][ C2] Call Trace: [ 8646.764407][ C2] [ 8646.764409][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8646.764417][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8646.764420][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8646.764423][ C2] ? lock_acquire+0x10c/0x170 [ 8646.764426][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8646.764431][ C2] mptcp_try_fallback+0x14b/0x360 [ 8646.764435][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8646.764441][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8646.764444][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8646.764447][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8646.764452][ C2] __mptcp_retrans+0x42a/0x960 [ 8646.764458][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8646.764464][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8646.764469][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8646.764476][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8646.764480][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8646.764483][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8646.764486][ C2] ? lock_acquire+0x10c/0x170 [ 8646.764489][ C2] ? release_sock+0x1f/0x1d0 [ 8646.764493][ C2] release_sock+0x17f/0x1d0 [ 8646.764497][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8646.764504][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8646.764508][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8646.764512][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8646.764516][ C2] ? find_held_lock+0x2b/0x80 [ 8646.764520][ C2] sock_write_iter+0x3c1/0x520 [ 8646.764524][ C2] ? __up_write+0x1ad/0x530 [ 8646.764528][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8646.764535][ C2] ? ksys_write+0xf7/0x1d0 [ 8646.764540][ C2] vfs_write+0xc0c/0x1210 [ 8646.764544][ C2] ? ksys_write+0x137/0x1d0 [ 8646.764547][ C2] ? __lock_release+0x5d/0x170 [ 8646.764551][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8646.764555][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8646.764562][ C2] ksys_write+0x183/0x1d0 [ 8646.764565][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8646.764568][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8646.764573][ C2] do_syscall_64+0xc1/0x380 [ 8646.764577][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8646.764580][ C2] RIP: 0033:0x7f471c970337 [ 8646.764584][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8646.764586][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8646.764589][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8646.764591][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8646.764593][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8646.764595][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8646.764597][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8646.764603][ C2] [ 8672.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6005s! [mptcp_connect:16956] [ 8672.512939][ 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 [ 8672.512951][ C2] irq event stamp: 64230 [ 8672.512953][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8672.512959][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8672.512963][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8672.512967][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8672.512973][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8672.512978][ C2] Tainted: [L]=SOFTLOCKUP [ 8672.512980][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8672.512982][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8672.512987][ 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 [ 8672.512991][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8672.512994][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8672.512996][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8672.512998][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8672.513000][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8672.513003][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8672.513005][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8672.513008][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8672.513012][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8672.513014][ C2] PKRU: 55555554 [ 8672.513015][ C2] Call Trace: [ 8672.513017][ C2] [ 8672.513020][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8672.513028][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8672.513032][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8672.513035][ C2] ? lock_acquire+0x10c/0x170 [ 8672.513039][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8672.513043][ C2] mptcp_try_fallback+0x14b/0x360 [ 8672.513047][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8672.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8672.513057][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8672.513060][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8672.513065][ C2] __mptcp_retrans+0x42a/0x960 [ 8672.513071][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8672.513076][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8672.513081][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8672.513088][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8672.513091][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8672.513094][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8672.513097][ C2] ? lock_acquire+0x10c/0x170 [ 8672.513100][ C2] ? release_sock+0x1f/0x1d0 [ 8672.513105][ C2] release_sock+0x17f/0x1d0 [ 8672.513109][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8672.513116][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8672.513120][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8672.513124][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8672.513129][ C2] ? find_held_lock+0x2b/0x80 [ 8672.513133][ C2] sock_write_iter+0x3c1/0x520 [ 8672.513137][ C2] ? __up_write+0x1ad/0x530 [ 8672.513141][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8672.513148][ C2] ? ksys_write+0xf7/0x1d0 [ 8672.513154][ C2] vfs_write+0xc0c/0x1210 [ 8672.513157][ C2] ? ksys_write+0x137/0x1d0 [ 8672.513160][ C2] ? __lock_release+0x5d/0x170 [ 8672.513164][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8672.513168][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8672.513175][ C2] ksys_write+0x183/0x1d0 [ 8672.513178][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8672.513181][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8672.513187][ C2] do_syscall_64+0xc1/0x380 [ 8672.513191][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8672.513194][ C2] RIP: 0033:0x7f471c970337 [ 8672.513199][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8672.513200][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8672.513203][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8672.513206][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8672.513208][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8672.513210][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8672.513212][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8672.513218][ C2] [ 8680.861331][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6426309 jiffies s: 68525 root: 0x4/. [ 8680.861755][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8680.862011][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8680.862163][ C2] NMI backtrace for cpu 2 [ 8680.862168][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8680.862173][ C2] Tainted: [L]=SOFTLOCKUP [ 8680.862175][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8680.862177][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8680.862183][ 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 [ 8680.862187][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8680.862190][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 8680.862192][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8680.862195][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8680.862197][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8680.862199][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 8680.862201][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8680.862204][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8680.862207][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8680.862210][ C2] PKRU: 55555554 [ 8680.862211][ C2] Call Trace: [ 8680.862213][ C2] [ 8680.862214][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8680.862223][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8680.862230][ C2] __common_interrupt+0xad/0x1d0 [ 8680.862236][ C2] common_interrupt+0xb9/0xe0 [ 8680.862240][ C2] [ 8680.862241][ C2] [ 8680.862243][ C2] asm_common_interrupt+0x26/0x40 [ 8680.862247][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8680.862252][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8680.862255][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8680.862257][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8680.862259][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8680.862261][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8680.862264][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8680.862266][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8680.862270][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8680.862276][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8680.862283][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8680.862287][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8680.862289][ C2] ? lock_acquire+0x10c/0x170 [ 8680.862293][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8680.862298][ C2] mptcp_try_fallback+0x14b/0x360 [ 8680.862301][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8680.862308][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8680.862310][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8680.862314][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8680.862320][ C2] __mptcp_retrans+0x42a/0x960 [ 8680.862326][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8680.862331][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8680.862336][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8680.862343][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8680.862346][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8680.862349][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8680.862352][ C2] ? lock_acquire+0x10c/0x170 [ 8680.862355][ C2] ? release_sock+0x1f/0x1d0 [ 8680.862360][ C2] release_sock+0x17f/0x1d0 [ 8680.862363][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8680.862370][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8680.862374][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8680.862378][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8680.862382][ C2] ? find_held_lock+0x2b/0x80 [ 8680.862386][ C2] sock_write_iter+0x3c1/0x520 [ 8680.862390][ C2] ? __up_write+0x1ad/0x530 [ 8680.862394][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8680.862400][ C2] ? ksys_write+0xf7/0x1d0 [ 8680.862406][ C2] vfs_write+0xc0c/0x1210 [ 8680.862409][ C2] ? ksys_write+0x137/0x1d0 [ 8680.862412][ C2] ? __lock_release+0x5d/0x170 [ 8680.862416][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8680.862420][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8680.862427][ C2] ksys_write+0x183/0x1d0 [ 8680.862431][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8680.862433][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8680.862439][ C2] do_syscall_64+0xc1/0x380 [ 8680.862442][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8680.862445][ C2] RIP: 0033:0x7f471c970337 [ 8680.862450][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8680.862451][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8680.862454][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8680.862456][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8680.862459][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8680.862461][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8680.862463][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8680.862469][ C2] [ 8708.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6039s! [mptcp_connect:16956] [ 8708.512944][ 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 [ 8708.512962][ C2] irq event stamp: 64230 [ 8708.512964][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8708.512978][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8708.512983][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8708.512992][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8708.513001][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8708.513007][ C2] Tainted: [L]=SOFTLOCKUP [ 8708.513009][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8708.513011][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8708.513017][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8708.513020][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8708.513024][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8708.513027][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8708.513029][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8708.513032][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8708.513034][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8708.513036][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8708.513039][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8708.513043][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8708.513045][ C2] PKRU: 55555554 [ 8708.513046][ C2] Call Trace: [ 8708.513050][ C2] [ 8708.513054][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8708.513062][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8708.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8708.513071][ C2] ? lock_acquire+0x10c/0x170 [ 8708.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8708.513081][ C2] mptcp_try_fallback+0x14b/0x360 [ 8708.513085][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8708.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8708.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8708.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8708.513103][ C2] __mptcp_retrans+0x42a/0x960 [ 8708.513108][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8708.513114][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8708.513123][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8708.513130][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8708.513133][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8708.513136][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8708.513139][ C2] ? lock_acquire+0x10c/0x170 [ 8708.513142][ C2] ? release_sock+0x1f/0x1d0 [ 8708.513150][ C2] release_sock+0x17f/0x1d0 [ 8708.513154][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8708.513161][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8708.513165][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8708.513169][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8708.513176][ C2] ? find_held_lock+0x2b/0x80 [ 8708.513180][ C2] sock_write_iter+0x3c1/0x520 [ 8708.513188][ C2] ? __up_write+0x1ad/0x530 [ 8708.513194][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8708.513201][ C2] ? ksys_write+0xf7/0x1d0 [ 8708.513209][ C2] vfs_write+0xc0c/0x1210 [ 8708.513213][ C2] ? ksys_write+0x137/0x1d0 [ 8708.513216][ C2] ? __lock_release+0x5d/0x170 [ 8708.513220][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8708.513224][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8708.513231][ C2] ksys_write+0x183/0x1d0 [ 8708.513234][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8708.513237][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8708.513245][ C2] do_syscall_64+0xc1/0x380 [ 8708.513250][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8708.513255][ C2] RIP: 0033:0x7f471c970337 [ 8708.513266][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8708.513267][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8708.513271][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8708.513273][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8708.513276][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8708.513278][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8708.513280][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8708.513286][ C2] [ 8724.766323][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8724.766807][ C2] rcu: 2-....: (6495104 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2901499 [ 8724.767459][ C2] rcu: (t=6500249 jiffies g=1286133 q=113895 ncpus=4) [ 8724.767774][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8724.767781][ C2] Tainted: [L]=SOFTLOCKUP [ 8724.767783][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8724.767785][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8724.767799][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8724.767802][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8724.767806][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8724.767809][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8724.767811][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8724.767814][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8724.767816][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8724.767818][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8724.767821][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8724.767824][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8724.767827][ C2] PKRU: 55555554 [ 8724.767828][ C2] Call Trace: [ 8724.767829][ C2] [ 8724.767831][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8724.767839][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8724.767846][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8724.767848][ C2] ? lock_acquire+0x10c/0x170 [ 8724.767854][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8724.767863][ C2] mptcp_try_fallback+0x14b/0x360 [ 8724.767866][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8724.767872][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8724.767875][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8724.767878][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8724.767883][ C2] __mptcp_retrans+0x42a/0x960 [ 8724.767888][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8724.767893][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8724.767903][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8724.767911][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8724.767913][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8724.767917][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8724.767919][ C2] ? lock_acquire+0x10c/0x170 [ 8724.767922][ C2] ? release_sock+0x1f/0x1d0 [ 8724.767930][ C2] release_sock+0x17f/0x1d0 [ 8724.767933][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8724.767940][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8724.767944][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8724.767948][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8724.767955][ C2] ? find_held_lock+0x2b/0x80 [ 8724.767959][ C2] sock_write_iter+0x3c1/0x520 [ 8724.767966][ C2] ? __up_write+0x1ad/0x530 [ 8724.767972][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8724.767978][ C2] ? ksys_write+0xf7/0x1d0 [ 8724.767986][ C2] vfs_write+0xc0c/0x1210 [ 8724.767989][ C2] ? ksys_write+0x137/0x1d0 [ 8724.767992][ C2] ? __lock_release+0x5d/0x170 [ 8724.767996][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8724.768000][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8724.768007][ C2] ksys_write+0x183/0x1d0 [ 8724.768010][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8724.768012][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8724.768021][ C2] do_syscall_64+0xc1/0x380 [ 8724.768026][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8724.768031][ C2] RIP: 0033:0x7f471c970337 [ 8724.768040][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8724.768042][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8724.768045][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8724.768047][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8724.768050][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8724.768051][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8724.768054][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8724.768060][ C2] [ 8752.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6080s! [mptcp_connect:16956] [ 8752.512943][ 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 [ 8752.512961][ C2] irq event stamp: 64230 [ 8752.512963][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8752.512974][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8752.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8752.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8752.512992][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8752.512997][ C2] Tainted: [L]=SOFTLOCKUP [ 8752.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8752.513001][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8752.513006][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8752.513009][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8752.513013][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8752.513015][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8752.513018][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8752.513020][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8752.513022][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8752.513024][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8752.513027][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8752.513031][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8752.513033][ C2] PKRU: 55555554 [ 8752.513034][ C2] Call Trace: [ 8752.513038][ C2] [ 8752.513042][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8752.513049][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8752.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8752.513057][ C2] ? lock_acquire+0x10c/0x170 [ 8752.513061][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8752.513065][ C2] mptcp_try_fallback+0x14b/0x360 [ 8752.513069][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8752.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8752.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8752.513081][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8752.513086][ C2] __mptcp_retrans+0x42a/0x960 [ 8752.513092][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8752.513097][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8752.513104][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8752.513112][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8752.513114][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8752.513117][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8752.513120][ C2] ? lock_acquire+0x10c/0x170 [ 8752.513123][ C2] ? release_sock+0x1f/0x1d0 [ 8752.513129][ C2] release_sock+0x17f/0x1d0 [ 8752.513133][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8752.513140][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8752.513144][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8752.513147][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8752.513153][ C2] ? find_held_lock+0x2b/0x80 [ 8752.513157][ C2] sock_write_iter+0x3c1/0x520 [ 8752.513162][ C2] ? __up_write+0x1ad/0x530 [ 8752.513167][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8752.513173][ C2] ? ksys_write+0xf7/0x1d0 [ 8752.513179][ C2] vfs_write+0xc0c/0x1210 [ 8752.513183][ C2] ? ksys_write+0x137/0x1d0 [ 8752.513185][ C2] ? __lock_release+0x5d/0x170 [ 8752.513189][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8752.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8752.513200][ C2] ksys_write+0x183/0x1d0 [ 8752.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8752.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8752.513213][ C2] do_syscall_64+0xc1/0x380 [ 8752.513217][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8752.513221][ C2] RIP: 0033:0x7f471c970337 [ 8752.513229][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8752.513230][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8752.513233][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8752.513236][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8752.513238][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8752.513240][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8752.513242][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8752.513248][ C2] [ 8779.165427][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6524613 jiffies s: 68525 root: 0x4/. [ 8779.165932][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8779.166192][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8779.166381][ C2] NMI backtrace for cpu 2 [ 8779.166393][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8779.166399][ C2] Tainted: [L]=SOFTLOCKUP [ 8779.166400][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8779.166403][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8779.166414][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8779.166417][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8779.166421][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8779.166424][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8779.166426][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8779.166429][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8779.166431][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8779.166433][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8779.166435][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8779.166439][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8779.166441][ C2] PKRU: 55555554 [ 8779.166442][ C2] Call Trace: [ 8779.166445][ C2] [ 8779.166449][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8779.166457][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8779.166462][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8779.166465][ C2] ? lock_acquire+0x10c/0x170 [ 8779.166469][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8779.166476][ C2] mptcp_try_fallback+0x14b/0x360 [ 8779.166480][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8779.166485][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8779.166488][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8779.166491][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8779.166496][ C2] __mptcp_retrans+0x42a/0x960 [ 8779.166501][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8779.166507][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8779.166514][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8779.166521][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8779.166524][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8779.166527][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8779.166530][ C2] ? lock_acquire+0x10c/0x170 [ 8779.166532][ C2] ? release_sock+0x1f/0x1d0 [ 8779.166539][ C2] release_sock+0x17f/0x1d0 [ 8779.166543][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8779.166550][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8779.166553][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8779.166557][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8779.166564][ C2] ? find_held_lock+0x2b/0x80 [ 8779.166568][ C2] sock_write_iter+0x3c1/0x520 [ 8779.166572][ C2] ? __up_write+0x1ad/0x530 [ 8779.166577][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8779.166583][ C2] ? ksys_write+0xf7/0x1d0 [ 8779.166590][ C2] vfs_write+0xc0c/0x1210 [ 8779.166594][ C2] ? ksys_write+0x137/0x1d0 [ 8779.166596][ C2] ? __lock_release+0x5d/0x170 [ 8779.166600][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8779.166604][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8779.166610][ C2] ksys_write+0x183/0x1d0 [ 8779.166614][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8779.166616][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8779.166623][ C2] do_syscall_64+0xc1/0x380 [ 8779.166627][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8779.166631][ C2] RIP: 0033:0x7f471c970337 [ 8779.166639][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8779.166641][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8779.166644][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8779.166646][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8779.166648][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8779.166650][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8779.166653][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8779.166658][ C2] [ 8802.769321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8802.769853][ C2] rcu: 2-....: (6573057 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2940098 [ 8802.770483][ C2] rcu: (t=6578252 jiffies g=1286133 q=114888 ncpus=4) [ 8802.770800][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8802.770806][ C2] Tainted: [L]=SOFTLOCKUP [ 8802.770808][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8802.770810][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8802.770820][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8802.770823][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8802.770827][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8802.770830][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8802.770833][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8802.770835][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8802.770837][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8802.770839][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8802.770841][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8802.770845][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8802.770847][ C2] PKRU: 55555554 [ 8802.770848][ C2] Call Trace: [ 8802.770850][ C2] [ 8802.770852][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8802.770859][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8802.770864][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8802.770866][ C2] ? lock_acquire+0x10c/0x170 [ 8802.770870][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8802.770877][ C2] mptcp_try_fallback+0x14b/0x360 [ 8802.770881][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8802.770886][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8802.770889][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8802.770892][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8802.770896][ C2] __mptcp_retrans+0x42a/0x960 [ 8802.770902][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8802.770907][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8802.770914][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8802.770921][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8802.770924][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8802.770927][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8802.770930][ C2] ? lock_acquire+0x10c/0x170 [ 8802.770933][ C2] ? release_sock+0x1f/0x1d0 [ 8802.770939][ C2] release_sock+0x17f/0x1d0 [ 8802.770942][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8802.770949][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8802.770953][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8802.770957][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8802.770962][ C2] ? find_held_lock+0x2b/0x80 [ 8802.770966][ C2] sock_write_iter+0x3c1/0x520 [ 8802.770971][ C2] ? __up_write+0x1ad/0x530 [ 8802.770975][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8802.770981][ C2] ? ksys_write+0xf7/0x1d0 [ 8802.770988][ C2] vfs_write+0xc0c/0x1210 [ 8802.770991][ C2] ? ksys_write+0x137/0x1d0 [ 8802.770993][ C2] ? __lock_release+0x5d/0x170 [ 8802.770997][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8802.771001][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8802.771008][ C2] ksys_write+0x183/0x1d0 [ 8802.771011][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8802.771013][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8802.771020][ C2] do_syscall_64+0xc1/0x380 [ 8802.771024][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8802.771028][ C2] RIP: 0033:0x7f471c970337 [ 8802.771037][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8802.771038][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8802.771042][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8802.771044][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8802.771046][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8802.771049][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8802.771050][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8802.771057][ C2] [ 8828.512944][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6151s! [mptcp_connect:16956] [ 8828.512954][ 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 [ 8828.512969][ C2] irq event stamp: 64230 [ 8828.512971][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8828.512980][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8828.512984][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8828.512991][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8828.512999][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8828.513004][ C2] Tainted: [L]=SOFTLOCKUP [ 8828.513005][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8828.513008][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8828.513013][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8828.513016][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8828.513020][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8828.513022][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8828.513024][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8828.513026][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8828.513028][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8828.513030][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8828.513033][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8828.513037][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8828.513039][ C2] PKRU: 55555554 [ 8828.513040][ C2] Call Trace: [ 8828.513042][ C2] [ 8828.513046][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8828.513053][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8828.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8828.513061][ C2] ? lock_acquire+0x10c/0x170 [ 8828.513065][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8828.513069][ C2] mptcp_try_fallback+0x14b/0x360 [ 8828.513074][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8828.513080][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8828.513083][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8828.513086][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8828.513090][ C2] __mptcp_retrans+0x42a/0x960 [ 8828.513096][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8828.513101][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8828.513109][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8828.513116][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8828.513118][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8828.513121][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8828.513124][ C2] ? lock_acquire+0x10c/0x170 [ 8828.513127][ C2] ? release_sock+0x1f/0x1d0 [ 8828.513133][ C2] release_sock+0x17f/0x1d0 [ 8828.513137][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8828.513144][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8828.513147][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8828.513151][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8828.513157][ C2] ? find_held_lock+0x2b/0x80 [ 8828.513160][ C2] sock_write_iter+0x3c1/0x520 [ 8828.513166][ C2] ? __up_write+0x1ad/0x530 [ 8828.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8828.513177][ C2] ? ksys_write+0xf7/0x1d0 [ 8828.513183][ C2] vfs_write+0xc0c/0x1210 [ 8828.513187][ C2] ? ksys_write+0x137/0x1d0 [ 8828.513189][ C2] ? __lock_release+0x5d/0x170 [ 8828.513193][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8828.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8828.513205][ C2] ksys_write+0x183/0x1d0 [ 8828.513208][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8828.513211][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8828.513218][ C2] do_syscall_64+0xc1/0x380 [ 8828.513222][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8828.513226][ C2] RIP: 0033:0x7f471c970337 [ 8828.513234][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8828.513236][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8828.513239][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8828.513242][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8828.513244][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8828.513246][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8828.513248][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8828.513254][ C2] [ 8856.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6177s! [mptcp_connect:16956] [ 8856.512944][ 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 [ 8856.512960][ C2] irq event stamp: 64230 [ 8856.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8856.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8856.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8856.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8856.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8856.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 8856.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8856.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8856.513005][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8856.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8856.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8856.513013][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8856.513015][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8856.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8856.513020][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8856.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8856.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8856.513028][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8856.513029][ C2] PKRU: 55555554 [ 8856.513031][ C2] Call Trace: [ 8856.513033][ C2] [ 8856.513037][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8856.513045][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8856.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8856.513053][ C2] ? lock_acquire+0x10c/0x170 [ 8856.513057][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8856.513062][ C2] mptcp_try_fallback+0x14b/0x360 [ 8856.513066][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8856.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8856.513075][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8856.513078][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8856.513083][ C2] __mptcp_retrans+0x42a/0x960 [ 8856.513089][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8856.513094][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8856.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8856.513108][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8856.513110][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8856.513113][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8856.513116][ C2] ? lock_acquire+0x10c/0x170 [ 8856.513119][ C2] ? release_sock+0x1f/0x1d0 [ 8856.513125][ C2] release_sock+0x17f/0x1d0 [ 8856.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8856.513136][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8856.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8856.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8856.513149][ C2] ? find_held_lock+0x2b/0x80 [ 8856.513153][ C2] sock_write_iter+0x3c1/0x520 [ 8856.513159][ C2] ? __up_write+0x1ad/0x530 [ 8856.513163][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8856.513169][ C2] ? ksys_write+0xf7/0x1d0 [ 8856.513176][ C2] vfs_write+0xc0c/0x1210 [ 8856.513180][ C2] ? ksys_write+0x137/0x1d0 [ 8856.513183][ C2] ? __lock_release+0x5d/0x170 [ 8856.513186][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8856.513190][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8856.513198][ C2] ksys_write+0x183/0x1d0 [ 8856.513201][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8856.513203][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8856.513210][ C2] do_syscall_64+0xc1/0x380 [ 8856.513214][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8856.513218][ C2] RIP: 0033:0x7f471c970337 [ 8856.513226][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8856.513228][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8856.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8856.513234][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8856.513236][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8856.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8856.513240][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8856.513246][ C2] [ 8877.469458][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6622917 jiffies s: 68525 root: 0x4/. [ 8877.470534][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8877.470746][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8877.470910][ C2] NMI backtrace for cpu 2 [ 8877.470923][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8877.470929][ C2] Tainted: [L]=SOFTLOCKUP [ 8877.470930][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8877.470933][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8877.470942][ 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 [ 8877.470945][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8877.470949][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 8877.470951][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8877.470953][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8877.470956][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8877.470958][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 8877.470959][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8877.470962][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8877.470966][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8877.470968][ C2] PKRU: 55555554 [ 8877.470969][ C2] Call Trace: [ 8877.470972][ C2] [ 8877.470974][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8877.470984][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8877.470993][ C2] __common_interrupt+0xad/0x1d0 [ 8877.471001][ C2] common_interrupt+0xb9/0xe0 [ 8877.471007][ C2] [ 8877.471008][ C2] [ 8877.471010][ C2] asm_common_interrupt+0x26/0x40 [ 8877.471015][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 8877.471022][ C2] Code: c7 c7 40 05 87 a3 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 [ 8877.471025][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 8877.471027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8877.471029][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8877.471031][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8877.471033][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8877.471035][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8877.471039][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8877.471046][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8877.471051][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8877.471057][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8877.471062][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8877.471064][ C2] ? lock_acquire+0x10c/0x170 [ 8877.471069][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8877.471075][ C2] mptcp_try_fallback+0x14b/0x360 [ 8877.471079][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8877.471085][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8877.471088][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8877.471091][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8877.471096][ C2] __mptcp_retrans+0x42a/0x960 [ 8877.471102][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8877.471107][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8877.471113][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8877.471121][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8877.471123][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8877.471126][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8877.471129][ C2] ? lock_acquire+0x10c/0x170 [ 8877.471132][ C2] ? release_sock+0x1f/0x1d0 [ 8877.471137][ C2] release_sock+0x17f/0x1d0 [ 8877.471141][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8877.471148][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8877.471152][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8877.471156][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8877.471161][ C2] ? find_held_lock+0x2b/0x80 [ 8877.471165][ C2] sock_write_iter+0x3c1/0x520 [ 8877.471169][ C2] ? __up_write+0x1ad/0x530 [ 8877.471174][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8877.471180][ C2] ? ksys_write+0xf7/0x1d0 [ 8877.471185][ C2] vfs_write+0xc0c/0x1210 [ 8877.471189][ C2] ? ksys_write+0x137/0x1d0 [ 8877.471191][ C2] ? __lock_release+0x5d/0x170 [ 8877.471195][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8877.471199][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8877.471205][ C2] ksys_write+0x183/0x1d0 [ 8877.471209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8877.471212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8877.471218][ C2] do_syscall_64+0xc1/0x380 [ 8877.471221][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8877.471225][ C2] RIP: 0033:0x7f471c970337 [ 8877.471233][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8877.471235][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8877.471238][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8877.471240][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8877.471242][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8877.471244][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8877.471246][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8877.471252][ C2] [ 8880.772335][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8880.772907][ C2] rcu: 2-....: (6650984 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=2976099 [ 8880.773426][ C2] rcu: (t=6656255 jiffies g=1286133 q=116317 ncpus=4) [ 8880.773683][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8880.773689][ C2] Tainted: [L]=SOFTLOCKUP [ 8880.773691][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8880.773693][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8880.773700][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8880.773704][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8880.773707][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8880.773710][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8880.773713][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8880.773715][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8880.773717][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8880.773719][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8880.773721][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8880.773725][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8880.773728][ C2] PKRU: 55555554 [ 8880.773729][ C2] Call Trace: [ 8880.773731][ C2] [ 8880.773733][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8880.773740][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8880.773745][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8880.773747][ C2] ? lock_acquire+0x10c/0x170 [ 8880.773751][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8880.773757][ C2] mptcp_try_fallback+0x14b/0x360 [ 8880.773761][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8880.773767][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8880.773770][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8880.773773][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8880.773778][ C2] __mptcp_retrans+0x42a/0x960 [ 8880.773784][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8880.773789][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8880.773796][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8880.773803][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8880.773806][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8880.773809][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8880.773812][ C2] ? lock_acquire+0x10c/0x170 [ 8880.773815][ C2] ? release_sock+0x1f/0x1d0 [ 8880.773821][ C2] release_sock+0x17f/0x1d0 [ 8880.773825][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8880.773832][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8880.773835][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8880.773839][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8880.773844][ C2] ? find_held_lock+0x2b/0x80 [ 8880.773848][ C2] sock_write_iter+0x3c1/0x520 [ 8880.773852][ C2] ? __up_write+0x1ad/0x530 [ 8880.773856][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8880.773863][ C2] ? ksys_write+0xf7/0x1d0 [ 8880.773868][ C2] vfs_write+0xc0c/0x1210 [ 8880.773872][ C2] ? ksys_write+0x137/0x1d0 [ 8880.773875][ C2] ? __lock_release+0x5d/0x170 [ 8880.773895][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8880.773899][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8880.773906][ C2] ksys_write+0x183/0x1d0 [ 8880.773910][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8880.773912][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8880.773918][ C2] do_syscall_64+0xc1/0x380 [ 8880.773922][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8880.773925][ C2] RIP: 0033:0x7f471c970337 [ 8880.773932][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8880.773934][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8880.773937][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8880.773939][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8880.773941][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8880.773943][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8880.773945][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8880.773951][ C2] [ 8908.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6225s! [mptcp_connect:16956] [ 8908.512942][ 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 [ 8908.512958][ C2] irq event stamp: 64230 [ 8908.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8908.512970][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8908.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8908.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8908.512988][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8908.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 8908.512995][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8908.512997][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8908.513002][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8908.513006][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8908.513009][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8908.513011][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8908.513014][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8908.513016][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8908.513018][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8908.513020][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8908.513023][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8908.513026][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8908.513029][ C2] PKRU: 55555554 [ 8908.513030][ C2] Call Trace: [ 8908.513034][ C2] [ 8908.513038][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8908.513045][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8908.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8908.513054][ C2] ? lock_acquire+0x10c/0x170 [ 8908.513057][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8908.513062][ C2] mptcp_try_fallback+0x14b/0x360 [ 8908.513066][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8908.513073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8908.513075][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8908.513078][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8908.513083][ C2] __mptcp_retrans+0x42a/0x960 [ 8908.513089][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8908.513094][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8908.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8908.513108][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8908.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8908.513114][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8908.513117][ C2] ? lock_acquire+0x10c/0x170 [ 8908.513120][ C2] ? release_sock+0x1f/0x1d0 [ 8908.513125][ C2] release_sock+0x17f/0x1d0 [ 8908.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8908.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8908.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8908.513144][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8908.513149][ C2] ? find_held_lock+0x2b/0x80 [ 8908.513153][ C2] sock_write_iter+0x3c1/0x520 [ 8908.513158][ C2] ? __up_write+0x1ad/0x530 [ 8908.513162][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8908.513168][ C2] ? ksys_write+0xf7/0x1d0 [ 8908.513175][ C2] vfs_write+0xc0c/0x1210 [ 8908.513178][ C2] ? ksys_write+0x137/0x1d0 [ 8908.513181][ C2] ? __lock_release+0x5d/0x170 [ 8908.513185][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8908.513189][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8908.513196][ C2] ksys_write+0x183/0x1d0 [ 8908.513199][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8908.513202][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8908.513209][ C2] do_syscall_64+0xc1/0x380 [ 8908.513213][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8908.513218][ C2] RIP: 0033:0x7f471c970337 [ 8908.513226][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8908.513228][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8908.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8908.513233][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8908.513235][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8908.513237][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8908.513239][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8908.513245][ C2] [ 8936.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6251s! [mptcp_connect:16956] [ 8936.512942][ 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 [ 8936.512958][ C2] irq event stamp: 64230 [ 8936.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 8936.512969][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 8936.512974][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 8936.512980][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 8936.512988][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8936.512993][ C2] Tainted: [L]=SOFTLOCKUP [ 8936.512995][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8936.512998][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8936.513003][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8936.513007][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8936.513010][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8936.513012][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8936.513015][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8936.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8936.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8936.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8936.513025][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8936.513029][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8936.513031][ C2] PKRU: 55555554 [ 8936.513032][ C2] Call Trace: [ 8936.513035][ C2] [ 8936.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8936.513047][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8936.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8936.513056][ C2] ? lock_acquire+0x10c/0x170 [ 8936.513060][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8936.513065][ C2] mptcp_try_fallback+0x14b/0x360 [ 8936.513069][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8936.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8936.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8936.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8936.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 8936.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8936.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8936.513106][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8936.513113][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8936.513116][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8936.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8936.513122][ C2] ? lock_acquire+0x10c/0x170 [ 8936.513125][ C2] ? release_sock+0x1f/0x1d0 [ 8936.513132][ C2] release_sock+0x17f/0x1d0 [ 8936.513135][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8936.513154][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8936.513157][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8936.513161][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8936.513167][ C2] ? find_held_lock+0x2b/0x80 [ 8936.513171][ C2] sock_write_iter+0x3c1/0x520 [ 8936.513176][ C2] ? __up_write+0x1ad/0x530 [ 8936.513180][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8936.513187][ C2] ? ksys_write+0xf7/0x1d0 [ 8936.513193][ C2] vfs_write+0xc0c/0x1210 [ 8936.513197][ C2] ? ksys_write+0x137/0x1d0 [ 8936.513200][ C2] ? __lock_release+0x5d/0x170 [ 8936.513204][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8936.513207][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8936.513214][ C2] ksys_write+0x183/0x1d0 [ 8936.513218][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8936.513220][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8936.513227][ C2] do_syscall_64+0xc1/0x380 [ 8936.513231][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8936.513235][ C2] RIP: 0033:0x7f471c970337 [ 8936.513243][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8936.513245][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8936.513248][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8936.513250][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8936.513252][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8936.513254][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8936.513256][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8936.513262][ C2] [ 8958.775337][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 8958.775972][ C2] rcu: 2-....: (6728930 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3011059 [ 8958.776404][ C2] rcu: (t=6734258 jiffies g=1286133 q=117340 ncpus=4) [ 8958.776664][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8958.776671][ C2] Tainted: [L]=SOFTLOCKUP [ 8958.776672][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8958.776675][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 8958.776684][ C2] Code: c7 c7 40 05 87 a3 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 [ 8958.776688][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 8958.776691][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8958.776694][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8958.776696][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8958.776698][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8958.776700][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8958.776702][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8958.776704][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8958.776708][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8958.776710][ C2] PKRU: 55555554 [ 8958.776712][ C2] Call Trace: [ 8958.776713][ C2] [ 8958.776714][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 8958.776722][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8958.776729][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8958.776733][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8958.776736][ C2] ? lock_acquire+0x10c/0x170 [ 8958.776740][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8958.776747][ C2] mptcp_try_fallback+0x14b/0x360 [ 8958.776751][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8958.776757][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8958.776760][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8958.776763][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8958.776767][ C2] __mptcp_retrans+0x42a/0x960 [ 8958.776773][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8958.776778][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8958.776786][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8958.776793][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8958.776795][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8958.776799][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8958.776801][ C2] ? lock_acquire+0x10c/0x170 [ 8958.776804][ C2] ? release_sock+0x1f/0x1d0 [ 8958.776810][ C2] release_sock+0x17f/0x1d0 [ 8958.776813][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8958.776820][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8958.776824][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8958.776828][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8958.776833][ C2] ? find_held_lock+0x2b/0x80 [ 8958.776837][ C2] sock_write_iter+0x3c1/0x520 [ 8958.776842][ C2] ? __up_write+0x1ad/0x530 [ 8958.776847][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8958.776853][ C2] ? ksys_write+0xf7/0x1d0 [ 8958.776859][ C2] vfs_write+0xc0c/0x1210 [ 8958.776862][ C2] ? ksys_write+0x137/0x1d0 [ 8958.776865][ C2] ? __lock_release+0x5d/0x170 [ 8958.776869][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8958.776872][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8958.776880][ C2] ksys_write+0x183/0x1d0 [ 8958.776883][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8958.776886][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8958.776892][ C2] do_syscall_64+0xc1/0x380 [ 8958.776896][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8958.776900][ C2] RIP: 0033:0x7f471c970337 [ 8958.776908][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8958.776910][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8958.776913][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8958.776915][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8958.776918][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8958.776920][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8958.776922][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8958.776927][ C2] [ 8975.773458][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6721221 jiffies s: 68525 root: 0x4/. [ 8975.774540][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 8975.774729][ T17] Sending NMI from CPU 0 to CPUs 2: [ 8975.774924][ C2] NMI backtrace for cpu 2 [ 8975.774935][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 8975.774941][ C2] Tainted: [L]=SOFTLOCKUP [ 8975.774942][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8975.774945][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 8975.774954][ 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 [ 8975.774957][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 8975.774962][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 8975.774964][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 8975.774967][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 8975.774969][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 8975.774971][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 8975.774973][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 8975.774975][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8975.774979][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 8975.774981][ C2] PKRU: 55555554 [ 8975.774982][ C2] Call Trace: [ 8975.774985][ C2] [ 8975.774987][ C2] ioapic_ack_level+0xcf/0x3d0 [ 8975.774994][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 8975.775001][ C2] __common_interrupt+0xad/0x1d0 [ 8975.775007][ C2] common_interrupt+0xb9/0xe0 [ 8975.775013][ C2] [ 8975.775014][ C2] [ 8975.775016][ C2] asm_common_interrupt+0x26/0x40 [ 8975.775021][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 8975.775028][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 8975.775031][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 8975.775033][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 8975.775036][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 8975.775038][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 8975.775040][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 8975.775042][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 8975.775046][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 8975.775052][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 8975.775060][ C2] do_raw_spin_lock+0x1e8/0x270 [ 8975.775064][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8975.775067][ C2] ? lock_acquire+0x10c/0x170 [ 8975.775070][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 8975.775077][ C2] mptcp_try_fallback+0x14b/0x360 [ 8975.775081][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 8975.775087][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8975.775090][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 8975.775093][ C2] ? __mptcp_retrans+0x34a/0x960 [ 8975.775098][ C2] __mptcp_retrans+0x42a/0x960 [ 8975.775104][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 8975.775109][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 8975.775116][ C2] mptcp_release_cb+0x5eb/0xac0 [ 8975.775124][ C2] ? do_raw_spin_lock+0x130/0x270 [ 8975.775126][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 8975.775130][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 8975.775132][ C2] ? lock_acquire+0x10c/0x170 [ 8975.775135][ C2] ? release_sock+0x1f/0x1d0 [ 8975.775142][ C2] release_sock+0x17f/0x1d0 [ 8975.775145][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 8975.775152][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 8975.775156][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 8975.775160][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 8975.775166][ C2] ? find_held_lock+0x2b/0x80 [ 8975.775170][ C2] sock_write_iter+0x3c1/0x520 [ 8975.775174][ C2] ? __up_write+0x1ad/0x530 [ 8975.775179][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 8975.775185][ C2] ? ksys_write+0xf7/0x1d0 [ 8975.775192][ C2] vfs_write+0xc0c/0x1210 [ 8975.775196][ C2] ? ksys_write+0x137/0x1d0 [ 8975.775199][ C2] ? __lock_release+0x5d/0x170 [ 8975.775203][ C2] ? __pfx_vfs_write+0x10/0x10 [ 8975.775207][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 8975.775214][ C2] ksys_write+0x183/0x1d0 [ 8975.775217][ C2] ? __pfx_ksys_write+0x10/0x10 [ 8975.775220][ C2] ? do_user_addr_fault+0x959/0xe00 [ 8975.775226][ C2] do_syscall_64+0xc1/0x380 [ 8975.775230][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 8975.775233][ C2] RIP: 0033:0x7f471c970337 [ 8975.775241][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 8975.775243][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8975.775246][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 8975.775248][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 8975.775250][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 8975.775253][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 8975.775255][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 8975.775261][ C2] [ 9000.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6311s! [mptcp_connect:16956] [ 9000.512943][ 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 [ 9000.512959][ C2] irq event stamp: 64230 [ 9000.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9000.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9000.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9000.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9000.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9000.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 9000.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9000.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9000.513005][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9000.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9000.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9000.513014][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9000.513016][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9000.513018][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9000.513020][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9000.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9000.513025][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9000.513029][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9000.513031][ C2] PKRU: 55555554 [ 9000.513032][ C2] Call Trace: [ 9000.513036][ C2] [ 9000.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9000.513047][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9000.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9000.513055][ C2] ? lock_acquire+0x10c/0x170 [ 9000.513059][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9000.513063][ C2] mptcp_try_fallback+0x14b/0x360 [ 9000.513067][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9000.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9000.513076][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9000.513079][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9000.513084][ C2] __mptcp_retrans+0x42a/0x960 [ 9000.513089][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9000.513094][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9000.513102][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9000.513110][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9000.513112][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9000.513116][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9000.513118][ C2] ? lock_acquire+0x10c/0x170 [ 9000.513121][ C2] ? release_sock+0x1f/0x1d0 [ 9000.513128][ C2] release_sock+0x17f/0x1d0 [ 9000.513131][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9000.513139][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9000.513142][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9000.513146][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9000.513151][ C2] ? find_held_lock+0x2b/0x80 [ 9000.513156][ C2] sock_write_iter+0x3c1/0x520 [ 9000.513161][ C2] ? __up_write+0x1ad/0x530 [ 9000.513166][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9000.513172][ C2] ? ksys_write+0xf7/0x1d0 [ 9000.513179][ C2] vfs_write+0xc0c/0x1210 [ 9000.513183][ C2] ? ksys_write+0x137/0x1d0 [ 9000.513185][ C2] ? __lock_release+0x5d/0x170 [ 9000.513189][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9000.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9000.513199][ C2] ksys_write+0x183/0x1d0 [ 9000.513203][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9000.513205][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9000.513212][ C2] do_syscall_64+0xc1/0x380 [ 9000.513216][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9000.513220][ C2] RIP: 0033:0x7f471c970337 [ 9000.513227][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9000.513229][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9000.513232][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9000.513235][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9000.513237][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9000.513239][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9000.513241][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9000.513247][ C2] [ 9028.512944][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6337s! [mptcp_connect:16956] [ 9028.512955][ 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 [ 9028.512971][ C2] irq event stamp: 64230 [ 9028.512972][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9028.512982][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9028.512986][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9028.512992][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9028.512999][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9028.513005][ C2] Tainted: [L]=SOFTLOCKUP [ 9028.513007][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9028.513009][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9028.513014][ 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 [ 9028.513018][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9028.513021][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9028.513024][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9028.513026][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9028.513028][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9028.513030][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9028.513032][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9028.513035][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9028.513039][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9028.513041][ C2] PKRU: 55555554 [ 9028.513042][ C2] Call Trace: [ 9028.513045][ C2] [ 9028.513049][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9028.513056][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9028.513061][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9028.513064][ C2] ? lock_acquire+0x10c/0x170 [ 9028.513068][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9028.513073][ C2] mptcp_try_fallback+0x14b/0x360 [ 9028.513077][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9028.513084][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9028.513086][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9028.513089][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9028.513094][ C2] __mptcp_retrans+0x42a/0x960 [ 9028.513100][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9028.513105][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9028.513112][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9028.513119][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9028.513121][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9028.513124][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9028.513127][ C2] ? lock_acquire+0x10c/0x170 [ 9028.513130][ C2] ? release_sock+0x1f/0x1d0 [ 9028.513136][ C2] release_sock+0x17f/0x1d0 [ 9028.513140][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9028.513147][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9028.513151][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9028.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9028.513160][ C2] ? find_held_lock+0x2b/0x80 [ 9028.513164][ C2] sock_write_iter+0x3c1/0x520 [ 9028.513169][ C2] ? __up_write+0x1ad/0x530 [ 9028.513174][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9028.513180][ C2] ? ksys_write+0xf7/0x1d0 [ 9028.513187][ C2] vfs_write+0xc0c/0x1210 [ 9028.513191][ C2] ? ksys_write+0x137/0x1d0 [ 9028.513193][ C2] ? __lock_release+0x5d/0x170 [ 9028.513197][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9028.513201][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9028.513208][ C2] ksys_write+0x183/0x1d0 [ 9028.513211][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9028.513214][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9028.513220][ C2] do_syscall_64+0xc1/0x380 [ 9028.513225][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9028.513229][ C2] RIP: 0033:0x7f471c970337 [ 9028.513237][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9028.513239][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9028.513242][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9028.513244][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9028.513246][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9028.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9028.513250][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9028.513256][ C2] [ 9036.778336][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9036.778931][ C2] rcu: 2-....: (6806856 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3045606 [ 9036.779396][ C2] rcu: (t=6812261 jiffies g=1286133 q=118769 ncpus=4) [ 9036.779740][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9036.779746][ C2] Tainted: [L]=SOFTLOCKUP [ 9036.779748][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9036.779750][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9036.779759][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9036.779763][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9036.779767][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9036.779769][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9036.779771][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9036.779773][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9036.779775][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9036.779777][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9036.779779][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9036.779783][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9036.779785][ C2] PKRU: 55555554 [ 9036.779787][ C2] Call Trace: [ 9036.779788][ C2] [ 9036.779790][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9036.779797][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9036.779802][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9036.779804][ C2] ? lock_acquire+0x10c/0x170 [ 9036.779808][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9036.779815][ C2] mptcp_try_fallback+0x14b/0x360 [ 9036.779818][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9036.779824][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9036.779827][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9036.779829][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9036.779834][ C2] __mptcp_retrans+0x42a/0x960 [ 9036.779839][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9036.779844][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9036.779851][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9036.779858][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9036.779860][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9036.779863][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9036.779866][ C2] ? lock_acquire+0x10c/0x170 [ 9036.779869][ C2] ? release_sock+0x1f/0x1d0 [ 9036.779875][ C2] release_sock+0x17f/0x1d0 [ 9036.779878][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9036.779885][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9036.779889][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9036.779893][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9036.779898][ C2] ? find_held_lock+0x2b/0x80 [ 9036.779901][ C2] sock_write_iter+0x3c1/0x520 [ 9036.779906][ C2] ? __up_write+0x1ad/0x530 [ 9036.779910][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9036.779916][ C2] ? ksys_write+0xf7/0x1d0 [ 9036.779922][ C2] vfs_write+0xc0c/0x1210 [ 9036.779925][ C2] ? ksys_write+0x137/0x1d0 [ 9036.779928][ C2] ? __lock_release+0x5d/0x170 [ 9036.779931][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9036.779935][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9036.779942][ C2] ksys_write+0x183/0x1d0 [ 9036.779945][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9036.779948][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9036.779955][ C2] do_syscall_64+0xc1/0x380 [ 9036.779958][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9036.779962][ C2] RIP: 0033:0x7f471c970337 [ 9036.779969][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9036.779970][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9036.779973][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9036.779975][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9036.779977][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9036.779979][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9036.779982][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9036.779987][ C2] [ 9064.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6370s! [mptcp_connect:16956] [ 9064.512944][ 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 [ 9064.512959][ C2] irq event stamp: 64230 [ 9064.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9064.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9064.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9064.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9064.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9064.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 9064.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9064.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9064.513004][ 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 [ 9064.513007][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9064.513010][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9064.513012][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9064.513015][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9064.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9064.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9064.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9064.513025][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9064.513029][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9064.513031][ C2] PKRU: 55555554 [ 9064.513032][ C2] Call Trace: [ 9064.513035][ C2] [ 9064.513039][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9064.513046][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9064.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9064.513054][ C2] ? lock_acquire+0x10c/0x170 [ 9064.513058][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9064.513063][ C2] mptcp_try_fallback+0x14b/0x360 [ 9064.513067][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9064.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9064.513077][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9064.513080][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9064.513085][ C2] __mptcp_retrans+0x42a/0x960 [ 9064.513091][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9064.513096][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9064.513103][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9064.513109][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9064.513112][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9064.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9064.513117][ C2] ? lock_acquire+0x10c/0x170 [ 9064.513120][ C2] ? release_sock+0x1f/0x1d0 [ 9064.513126][ C2] release_sock+0x17f/0x1d0 [ 9064.513129][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9064.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9064.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9064.513144][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9064.513149][ C2] ? find_held_lock+0x2b/0x80 [ 9064.513153][ C2] sock_write_iter+0x3c1/0x520 [ 9064.513158][ C2] ? __up_write+0x1ad/0x530 [ 9064.513163][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9064.513169][ C2] ? ksys_write+0xf7/0x1d0 [ 9064.513175][ C2] vfs_write+0xc0c/0x1210 [ 9064.513179][ C2] ? ksys_write+0x137/0x1d0 [ 9064.513182][ C2] ? __lock_release+0x5d/0x170 [ 9064.513185][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9064.513189][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9064.513196][ C2] ksys_write+0x183/0x1d0 [ 9064.513200][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9064.513202][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9064.513209][ C2] do_syscall_64+0xc1/0x380 [ 9064.513213][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9064.513217][ C2] RIP: 0033:0x7f471c970337 [ 9064.513226][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9064.513228][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9064.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9064.513233][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9064.513236][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9064.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9064.513240][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9064.513246][ C2] [ 9074.077466][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6819525 jiffies s: 68525 root: 0x4/. [ 9074.078536][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9074.078719][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9074.078882][ C2] NMI backtrace for cpu 2 [ 9074.078896][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9074.078902][ C2] Tainted: [L]=SOFTLOCKUP [ 9074.078903][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9074.078906][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 9074.078914][ 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 [ 9074.078918][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 9074.078921][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 9074.078924][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 9074.078926][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 9074.078929][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 9074.078931][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 9074.078933][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9074.078935][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9074.078939][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9074.078941][ C2] PKRU: 55555554 [ 9074.078943][ C2] Call Trace: [ 9074.078945][ C2] [ 9074.078947][ C2] ioapic_ack_level+0xcf/0x3d0 [ 9074.078956][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 9074.078963][ C2] __common_interrupt+0xad/0x1d0 [ 9074.078968][ C2] common_interrupt+0xb9/0xe0 [ 9074.078974][ C2] [ 9074.078975][ C2] [ 9074.078977][ C2] asm_common_interrupt+0x26/0x40 [ 9074.078981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9074.078986][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9074.078989][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9074.078991][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9074.078993][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9074.078996][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9074.078998][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9074.079000][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9074.079004][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 9074.079010][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9074.079017][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9074.079021][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9074.079023][ C2] ? lock_acquire+0x10c/0x170 [ 9074.079027][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9074.079034][ C2] mptcp_try_fallback+0x14b/0x360 [ 9074.079038][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9074.079045][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9074.079047][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9074.079050][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9074.079055][ C2] __mptcp_retrans+0x42a/0x960 [ 9074.079060][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9074.079066][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9074.079072][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9074.079079][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9074.079082][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9074.079085][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9074.079087][ C2] ? lock_acquire+0x10c/0x170 [ 9074.079090][ C2] ? release_sock+0x1f/0x1d0 [ 9074.079096][ C2] release_sock+0x17f/0x1d0 [ 9074.079099][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9074.079106][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9074.079110][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9074.079113][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9074.079119][ C2] ? find_held_lock+0x2b/0x80 [ 9074.079122][ C2] sock_write_iter+0x3c1/0x520 [ 9074.079127][ C2] ? __up_write+0x1ad/0x530 [ 9074.079132][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9074.079138][ C2] ? ksys_write+0xf7/0x1d0 [ 9074.079144][ C2] vfs_write+0xc0c/0x1210 [ 9074.079148][ C2] ? ksys_write+0x137/0x1d0 [ 9074.079150][ C2] ? __lock_release+0x5d/0x170 [ 9074.079154][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9074.079158][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9074.079164][ C2] ksys_write+0x183/0x1d0 [ 9074.079168][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9074.079171][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9074.079177][ C2] do_syscall_64+0xc1/0x380 [ 9074.079181][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9074.079184][ C2] RIP: 0033:0x7f471c970337 [ 9074.079193][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9074.079194][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9074.079198][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9074.079200][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9074.079202][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9074.079205][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9074.079207][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9074.079213][ C2] [ 9100.512933][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6404s! [mptcp_connect:16956] [ 9100.512943][ 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 [ 9100.512960][ C2] irq event stamp: 64230 [ 9100.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9100.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9100.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9100.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9100.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9100.512996][ C2] Tainted: [L]=SOFTLOCKUP [ 9100.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9100.513000][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 9100.513007][ 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 [ 9100.513011][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000282 [ 9100.513014][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9100.513017][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9100.513019][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9100.513021][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9100.513023][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9100.513025][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9100.513028][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9100.513032][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9100.513034][ C2] PKRU: 55555554 [ 9100.513035][ C2] Call Trace: [ 9100.513038][ C2] [ 9100.513041][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9100.513047][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9100.513054][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9100.513059][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9100.513062][ C2] ? lock_acquire+0x10c/0x170 [ 9100.513066][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9100.513071][ C2] mptcp_try_fallback+0x14b/0x360 [ 9100.513075][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9100.513082][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9100.513085][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9100.513088][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9100.513093][ C2] __mptcp_retrans+0x42a/0x960 [ 9100.513099][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9100.513105][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9100.513112][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9100.513120][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9100.513123][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9100.513126][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9100.513129][ C2] ? lock_acquire+0x10c/0x170 [ 9100.513132][ C2] ? release_sock+0x1f/0x1d0 [ 9100.513138][ C2] release_sock+0x17f/0x1d0 [ 9100.513143][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9100.513150][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9100.513154][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9100.513158][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9100.513164][ C2] ? find_held_lock+0x2b/0x80 [ 9100.513179][ C2] sock_write_iter+0x3c1/0x520 [ 9100.513185][ C2] ? __up_write+0x1ad/0x530 [ 9100.513190][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9100.513197][ C2] ? ksys_write+0xf7/0x1d0 [ 9100.513203][ C2] vfs_write+0xc0c/0x1210 [ 9100.513206][ C2] ? ksys_write+0x137/0x1d0 [ 9100.513209][ C2] ? __lock_release+0x5d/0x170 [ 9100.513213][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9100.513217][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9100.513224][ C2] ksys_write+0x183/0x1d0 [ 9100.513228][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9100.513231][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9100.513238][ C2] do_syscall_64+0xc1/0x380 [ 9100.513243][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9100.513247][ C2] RIP: 0033:0x7f471c970337 [ 9100.513255][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9100.513257][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9100.513260][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9100.513263][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9100.513265][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9100.513267][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9100.513269][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9100.513276][ C2] [ 9114.781321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9114.781726][ C2] rcu: 2-....: (6884782 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3081011 [ 9114.782264][ C2] rcu: (t=6890264 jiffies g=1286133 q=120198 ncpus=4) [ 9114.782511][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9114.782518][ C2] Tainted: [L]=SOFTLOCKUP [ 9114.782519][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9114.782522][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9114.782532][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9114.782536][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9114.782540][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9114.782542][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9114.782544][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9114.782547][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9114.782548][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9114.782551][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9114.782554][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9114.782557][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9114.782560][ C2] PKRU: 55555554 [ 9114.782561][ C2] Call Trace: [ 9114.782563][ C2] [ 9114.782565][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9114.782573][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9114.782578][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9114.782581][ C2] ? lock_acquire+0x10c/0x170 [ 9114.782585][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9114.782592][ C2] mptcp_try_fallback+0x14b/0x360 [ 9114.782596][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9114.782602][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9114.782605][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9114.782608][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9114.782613][ C2] __mptcp_retrans+0x42a/0x960 [ 9114.782618][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9114.782623][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9114.782630][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9114.782638][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9114.782640][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9114.782643][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9114.782646][ C2] ? lock_acquire+0x10c/0x170 [ 9114.782649][ C2] ? release_sock+0x1f/0x1d0 [ 9114.782655][ C2] release_sock+0x17f/0x1d0 [ 9114.782658][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9114.782665][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9114.782669][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9114.782673][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9114.782679][ C2] ? find_held_lock+0x2b/0x80 [ 9114.782683][ C2] sock_write_iter+0x3c1/0x520 [ 9114.782687][ C2] ? __up_write+0x1ad/0x530 [ 9114.782692][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9114.782698][ C2] ? ksys_write+0xf7/0x1d0 [ 9114.782705][ C2] vfs_write+0xc0c/0x1210 [ 9114.782708][ C2] ? ksys_write+0x137/0x1d0 [ 9114.782710][ C2] ? __lock_release+0x5d/0x170 [ 9114.782714][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9114.782718][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9114.782725][ C2] ksys_write+0x183/0x1d0 [ 9114.782728][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9114.782731][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9114.782738][ C2] do_syscall_64+0xc1/0x380 [ 9114.782742][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9114.782746][ C2] RIP: 0033:0x7f471c970337 [ 9114.782755][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9114.782757][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9114.782760][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9114.782763][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9114.782765][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9114.782767][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9114.782769][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9114.782776][ C2] [ 9140.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6441s! [mptcp_connect:16956] [ 9140.512945][ 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 [ 9140.512960][ C2] irq event stamp: 64230 [ 9140.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9140.512973][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9140.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9140.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9140.512994][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9140.513000][ C2] Tainted: [L]=SOFTLOCKUP [ 9140.513002][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9140.513004][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9140.513009][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9140.513014][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9140.513017][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9140.513019][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9140.513021][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9140.513024][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9140.513026][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9140.513028][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9140.513031][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9140.513034][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9140.513036][ C2] PKRU: 55555554 [ 9140.513037][ C2] Call Trace: [ 9140.513040][ C2] [ 9140.513045][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9140.513052][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9140.513057][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9140.513060][ C2] ? lock_acquire+0x10c/0x170 [ 9140.513064][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9140.513069][ C2] mptcp_try_fallback+0x14b/0x360 [ 9140.513073][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9140.513079][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9140.513082][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9140.513085][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9140.513090][ C2] __mptcp_retrans+0x42a/0x960 [ 9140.513096][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9140.513101][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9140.513108][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9140.513116][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9140.513119][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9140.513122][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9140.513124][ C2] ? lock_acquire+0x10c/0x170 [ 9140.513128][ C2] ? release_sock+0x1f/0x1d0 [ 9140.513134][ C2] release_sock+0x17f/0x1d0 [ 9140.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9140.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9140.513149][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9140.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9140.513160][ C2] ? find_held_lock+0x2b/0x80 [ 9140.513164][ C2] sock_write_iter+0x3c1/0x520 [ 9140.513169][ C2] ? __up_write+0x1ad/0x530 [ 9140.513174][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9140.513181][ C2] ? ksys_write+0xf7/0x1d0 [ 9140.513187][ C2] vfs_write+0xc0c/0x1210 [ 9140.513191][ C2] ? ksys_write+0x137/0x1d0 [ 9140.513194][ C2] ? __lock_release+0x5d/0x170 [ 9140.513198][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9140.513202][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9140.513209][ C2] ksys_write+0x183/0x1d0 [ 9140.513213][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9140.513216][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9140.513223][ C2] do_syscall_64+0xc1/0x380 [ 9140.513227][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9140.513232][ C2] RIP: 0033:0x7f471c970337 [ 9140.513241][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9140.513243][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9140.513247][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9140.513249][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9140.513252][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9140.513254][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9140.513256][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9140.513262][ C2] [ 9168.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6467s! [mptcp_connect:16956] [ 9168.512944][ 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 [ 9168.512961][ C2] irq event stamp: 64230 [ 9168.512963][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9168.512973][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9168.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9168.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9168.512991][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9168.512996][ C2] Tainted: [L]=SOFTLOCKUP [ 9168.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9168.513000][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9168.513006][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9168.513009][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9168.513012][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9168.513015][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9168.513017][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9168.513019][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9168.513021][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9168.513023][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9168.513026][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9168.513030][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9168.513032][ C2] PKRU: 55555554 [ 9168.513034][ C2] Call Trace: [ 9168.513036][ C2] [ 9168.513040][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9168.513048][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9168.513054][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9168.513057][ C2] ? lock_acquire+0x10c/0x170 [ 9168.513061][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9168.513066][ C2] mptcp_try_fallback+0x14b/0x360 [ 9168.513070][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9168.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9168.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9168.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9168.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 9168.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9168.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9168.513105][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9168.513112][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9168.513115][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9168.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9168.513121][ C2] ? lock_acquire+0x10c/0x170 [ 9168.513124][ C2] ? release_sock+0x1f/0x1d0 [ 9168.513130][ C2] release_sock+0x17f/0x1d0 [ 9168.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9168.513142][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9168.513145][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9168.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9168.513156][ C2] ? find_held_lock+0x2b/0x80 [ 9168.513160][ C2] sock_write_iter+0x3c1/0x520 [ 9168.513165][ C2] ? __up_write+0x1ad/0x530 [ 9168.513170][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9168.513177][ C2] ? ksys_write+0xf7/0x1d0 [ 9168.513184][ C2] vfs_write+0xc0c/0x1210 [ 9168.513187][ C2] ? ksys_write+0x137/0x1d0 [ 9168.513190][ C2] ? __lock_release+0x5d/0x170 [ 9168.513194][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9168.513199][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9168.513206][ C2] ksys_write+0x183/0x1d0 [ 9168.513210][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9168.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9168.513219][ C2] do_syscall_64+0xc1/0x380 [ 9168.513224][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9168.513229][ C2] RIP: 0033:0x7f471c970337 [ 9168.513237][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9168.513239][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9168.513242][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9168.513244][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9168.513246][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9168.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9168.513251][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9168.513257][ C2] [ 9172.381372][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 6917829 jiffies s: 68525 root: 0x4/. [ 9172.382546][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9172.382730][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9172.382915][ C2] NMI backtrace for cpu 2 [ 9172.382924][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9172.382930][ C2] Tainted: [L]=SOFTLOCKUP [ 9172.382932][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9172.382934][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 9172.382941][ 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 [ 9172.382945][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 9172.382948][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 9172.382951][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 9172.382953][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 9172.382955][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 9172.382957][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 9172.382959][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9172.382962][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9172.382966][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9172.382968][ C2] PKRU: 55555554 [ 9172.382969][ C2] Call Trace: [ 9172.382972][ C2] [ 9172.382974][ C2] ioapic_ack_level+0xcf/0x3d0 [ 9172.382982][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 9172.382988][ C2] __common_interrupt+0xad/0x1d0 [ 9172.382994][ C2] common_interrupt+0xb9/0xe0 [ 9172.382999][ C2] [ 9172.383000][ C2] [ 9172.383002][ C2] asm_common_interrupt+0x26/0x40 [ 9172.383005][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9172.383010][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9172.383013][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9172.383015][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9172.383017][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9172.383020][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9172.383022][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9172.383024][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9172.383028][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 9172.383034][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9172.383042][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9172.383046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9172.383049][ C2] ? lock_acquire+0x10c/0x170 [ 9172.383053][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9172.383059][ C2] mptcp_try_fallback+0x14b/0x360 [ 9172.383063][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9172.383070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9172.383073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9172.383076][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9172.383081][ C2] __mptcp_retrans+0x42a/0x960 [ 9172.383087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9172.383093][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9172.383098][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9172.383105][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9172.383108][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9172.383111][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9172.383113][ C2] ? lock_acquire+0x10c/0x170 [ 9172.383116][ C2] ? release_sock+0x1f/0x1d0 [ 9172.383122][ C2] release_sock+0x17f/0x1d0 [ 9172.383125][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9172.383133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9172.383136][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9172.383140][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9172.383145][ C2] ? find_held_lock+0x2b/0x80 [ 9172.383149][ C2] sock_write_iter+0x3c1/0x520 [ 9172.383154][ C2] ? __up_write+0x1ad/0x530 [ 9172.383158][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9172.383165][ C2] ? ksys_write+0xf7/0x1d0 [ 9172.383171][ C2] vfs_write+0xc0c/0x1210 [ 9172.383175][ C2] ? ksys_write+0x137/0x1d0 [ 9172.383178][ C2] ? __lock_release+0x5d/0x170 [ 9172.383182][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9172.383186][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9172.383193][ C2] ksys_write+0x183/0x1d0 [ 9172.383196][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9172.383199][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9172.383205][ C2] do_syscall_64+0xc1/0x380 [ 9172.383209][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9172.383212][ C2] RIP: 0033:0x7f471c970337 [ 9172.383218][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9172.383220][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9172.383223][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9172.383226][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9172.383228][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9172.383230][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9172.383232][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9172.383238][ C2] [ 9192.784346][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9192.784824][ C2] rcu: 2-....: (6962708 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3117468 [ 9192.785352][ C2] rcu: (t=6968267 jiffies g=1286133 q=121624 ncpus=4) [ 9192.785633][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9192.785639][ C2] Tainted: [L]=SOFTLOCKUP [ 9192.785641][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9192.785643][ C2] RIP: 0010:kasan_check_range+0x66/0x1c0 [ 9192.785652][ 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 [ 9192.785656][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000212 [ 9192.785660][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9192.785662][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9192.785664][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9192.785666][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9192.785668][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9192.785670][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9192.785673][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9192.785677][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9192.785679][ C2] PKRU: 55555554 [ 9192.785680][ C2] Call Trace: [ 9192.785681][ C2] [ 9192.785683][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9192.785690][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9192.785698][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9192.785702][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9192.785705][ C2] ? lock_acquire+0x10c/0x170 [ 9192.785709][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9192.785716][ C2] mptcp_try_fallback+0x14b/0x360 [ 9192.785719][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9192.785726][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9192.785728][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9192.785731][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9192.785736][ C2] __mptcp_retrans+0x42a/0x960 [ 9192.785742][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9192.785748][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9192.785754][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9192.785761][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9192.785764][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9192.785767][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9192.785770][ C2] ? lock_acquire+0x10c/0x170 [ 9192.785773][ C2] ? release_sock+0x1f/0x1d0 [ 9192.785779][ C2] release_sock+0x17f/0x1d0 [ 9192.785783][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9192.785789][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9192.785793][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9192.785798][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9192.785804][ C2] ? find_held_lock+0x2b/0x80 [ 9192.785808][ C2] sock_write_iter+0x3c1/0x520 [ 9192.785812][ C2] ? __up_write+0x1ad/0x530 [ 9192.785817][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9192.785823][ C2] ? ksys_write+0xf7/0x1d0 [ 9192.785829][ C2] vfs_write+0xc0c/0x1210 [ 9192.785833][ C2] ? ksys_write+0x137/0x1d0 [ 9192.785835][ C2] ? __lock_release+0x5d/0x170 [ 9192.785839][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9192.785843][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9192.785850][ C2] ksys_write+0x183/0x1d0 [ 9192.785853][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9192.785856][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9192.785862][ C2] do_syscall_64+0xc1/0x380 [ 9192.785867][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9192.785870][ C2] RIP: 0033:0x7f471c970337 [ 9192.785877][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9192.785879][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9192.785882][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9192.785885][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9192.785886][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9192.785888][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9192.785891][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9192.785897][ C2] [ 9220.512949][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6516s! [mptcp_connect:16956] [ 9220.512959][ 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 [ 9220.512975][ C2] irq event stamp: 64230 [ 9220.512976][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9220.512987][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9220.512991][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9220.512997][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9220.513005][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9220.513011][ C2] Tainted: [L]=SOFTLOCKUP [ 9220.513012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9220.513015][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9220.513020][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9220.513024][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9220.513027][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9220.513030][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9220.513032][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9220.513034][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9220.513037][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9220.513039][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9220.513042][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9220.513045][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9220.513047][ C2] PKRU: 55555554 [ 9220.513049][ C2] Call Trace: [ 9220.513052][ C2] [ 9220.513056][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9220.513063][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9220.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9220.513072][ C2] ? lock_acquire+0x10c/0x170 [ 9220.513076][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9220.513081][ C2] mptcp_try_fallback+0x14b/0x360 [ 9220.513086][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9220.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9220.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9220.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9220.513103][ C2] __mptcp_retrans+0x42a/0x960 [ 9220.513110][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9220.513115][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9220.513122][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9220.513129][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9220.513132][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9220.513135][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9220.513138][ C2] ? lock_acquire+0x10c/0x170 [ 9220.513141][ C2] ? release_sock+0x1f/0x1d0 [ 9220.513147][ C2] release_sock+0x17f/0x1d0 [ 9220.513151][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9220.513159][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9220.513163][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9220.513167][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9220.513173][ C2] ? find_held_lock+0x2b/0x80 [ 9220.513177][ C2] sock_write_iter+0x3c1/0x520 [ 9220.513182][ C2] ? __up_write+0x1ad/0x530 [ 9220.513186][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9220.513194][ C2] ? ksys_write+0xf7/0x1d0 [ 9220.513200][ C2] vfs_write+0xc0c/0x1210 [ 9220.513204][ C2] ? ksys_write+0x137/0x1d0 [ 9220.513207][ C2] ? __lock_release+0x5d/0x170 [ 9220.513211][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9220.513215][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9220.513223][ C2] ksys_write+0x183/0x1d0 [ 9220.513226][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9220.513229][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9220.513236][ C2] do_syscall_64+0xc1/0x380 [ 9220.513240][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9220.513244][ C2] RIP: 0033:0x7f471c970337 [ 9220.513253][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9220.513255][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9220.513258][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9220.513261][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9220.513263][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9220.513265][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9220.513268][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9220.513274][ C2] [ 9248.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6542s! [mptcp_connect:16956] [ 9248.512944][ 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 [ 9248.512960][ C2] irq event stamp: 64230 [ 9248.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9248.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9248.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9248.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9248.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9248.512996][ C2] Tainted: [L]=SOFTLOCKUP [ 9248.512998][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9248.513000][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9248.513005][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9248.513009][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9248.513012][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9248.513015][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9248.513017][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9248.513019][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9248.513021][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9248.513023][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9248.513026][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9248.513030][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9248.513033][ C2] PKRU: 55555554 [ 9248.513034][ C2] Call Trace: [ 9248.513037][ C2] [ 9248.513041][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9248.513049][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9248.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9248.513058][ C2] ? lock_acquire+0x10c/0x170 [ 9248.513062][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9248.513066][ C2] mptcp_try_fallback+0x14b/0x360 [ 9248.513071][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9248.513077][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9248.513080][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9248.513083][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9248.513088][ C2] __mptcp_retrans+0x42a/0x960 [ 9248.513094][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9248.513099][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9248.513106][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9248.513114][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9248.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9248.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9248.513123][ C2] ? lock_acquire+0x10c/0x170 [ 9248.513126][ C2] ? release_sock+0x1f/0x1d0 [ 9248.513132][ C2] release_sock+0x17f/0x1d0 [ 9248.513136][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9248.513144][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9248.513148][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9248.513152][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9248.513157][ C2] ? find_held_lock+0x2b/0x80 [ 9248.513162][ C2] sock_write_iter+0x3c1/0x520 [ 9248.513167][ C2] ? __up_write+0x1ad/0x530 [ 9248.513172][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9248.513179][ C2] ? ksys_write+0xf7/0x1d0 [ 9248.513185][ C2] vfs_write+0xc0c/0x1210 [ 9248.513189][ C2] ? ksys_write+0x137/0x1d0 [ 9248.513192][ C2] ? __lock_release+0x5d/0x170 [ 9248.513196][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9248.513200][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9248.513208][ C2] ksys_write+0x183/0x1d0 [ 9248.513211][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9248.513214][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9248.513221][ C2] do_syscall_64+0xc1/0x380 [ 9248.513226][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9248.513231][ C2] RIP: 0033:0x7f471c970337 [ 9248.513238][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9248.513240][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9248.513243][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9248.513246][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9248.513248][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9248.513250][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9248.513252][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9248.513259][ C2] [ 9270.685421][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7016133 jiffies s: 68525 root: 0x4/. [ 9270.685940][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9270.686118][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9270.686402][ C2] NMI backtrace for cpu 2 [ 9270.686413][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9270.686420][ C2] Tainted: [L]=SOFTLOCKUP [ 9270.686422][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9270.686425][ C2] RIP: 0010:kasan_check_range+0x158/0x1c0 [ 9270.686434][ 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 [ 9270.686437][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000246 [ 9270.686441][ C2] RAX: ffffed100170bd66 RBX: ffffed100170bd67 RCX: ffffffffa2cd0f13 [ 9270.686444][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9270.686446][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: ffffed100170bd66 [ 9270.686449][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9270.686451][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9270.686453][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9270.686455][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9270.686459][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9270.686461][ C2] PKRU: 55555554 [ 9270.686463][ C2] Call Trace: [ 9270.686466][ C2] [ 9270.686470][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9270.686479][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9270.686486][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9270.686491][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9270.686494][ C2] ? lock_acquire+0x10c/0x170 [ 9270.686498][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9270.686505][ C2] mptcp_try_fallback+0x14b/0x360 [ 9270.686509][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9270.686515][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9270.686518][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9270.686521][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9270.686526][ C2] __mptcp_retrans+0x42a/0x960 [ 9270.686532][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9270.686537][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9270.686544][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9270.686552][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9270.686555][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9270.686558][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9270.686561][ C2] ? lock_acquire+0x10c/0x170 [ 9270.686564][ C2] ? release_sock+0x1f/0x1d0 [ 9270.686570][ C2] release_sock+0x17f/0x1d0 [ 9270.686574][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9270.686581][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9270.686585][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9270.686589][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9270.686595][ C2] ? find_held_lock+0x2b/0x80 [ 9270.686600][ C2] sock_write_iter+0x3c1/0x520 [ 9270.686605][ C2] ? __up_write+0x1ad/0x530 [ 9270.686610][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9270.686616][ C2] ? ksys_write+0xf7/0x1d0 [ 9270.686622][ C2] vfs_write+0xc0c/0x1210 [ 9270.686626][ C2] ? ksys_write+0x137/0x1d0 [ 9270.686628][ C2] ? __lock_release+0x5d/0x170 [ 9270.686633][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9270.686637][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9270.686644][ C2] ksys_write+0x183/0x1d0 [ 9270.686648][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9270.686650][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9270.686657][ C2] do_syscall_64+0xc1/0x380 [ 9270.686661][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9270.686665][ C2] RIP: 0033:0x7f471c970337 [ 9270.686673][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9270.686675][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9270.686678][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9270.686680][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9270.686683][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9270.686685][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9270.686687][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9270.686693][ C2] [ 9270.787319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9270.787680][ C2] rcu: 2-....: (7040637 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3153923 [ 9270.788321][ C2] rcu: (t=7046270 jiffies g=1286133 q=122975 ncpus=4) [ 9270.788579][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9270.788585][ C2] Tainted: [L]=SOFTLOCKUP [ 9270.788587][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9270.788589][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9270.788595][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9270.788599][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9270.788602][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9270.788604][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9270.788607][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9270.788609][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9270.788611][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9270.788613][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9270.788616][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9270.788619][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9270.788621][ C2] PKRU: 55555554 [ 9270.788623][ C2] Call Trace: [ 9270.788624][ C2] [ 9270.788626][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9270.788634][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9270.788637][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9270.788640][ C2] ? lock_acquire+0x10c/0x170 [ 9270.788644][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9270.788649][ C2] mptcp_try_fallback+0x14b/0x360 [ 9270.788653][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9270.788659][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9270.788662][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9270.788665][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9270.788670][ C2] __mptcp_retrans+0x42a/0x960 [ 9270.788675][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9270.788681][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9270.788686][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9270.788693][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9270.788696][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9270.788699][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9270.788702][ C2] ? lock_acquire+0x10c/0x170 [ 9270.788705][ C2] ? release_sock+0x1f/0x1d0 [ 9270.788710][ C2] release_sock+0x17f/0x1d0 [ 9270.788714][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9270.788721][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9270.788725][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9270.788730][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9270.788734][ C2] ? find_held_lock+0x2b/0x80 [ 9270.788738][ C2] sock_write_iter+0x3c1/0x520 [ 9270.788743][ C2] ? __up_write+0x1ad/0x530 [ 9270.788747][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9270.788753][ C2] ? ksys_write+0xf7/0x1d0 [ 9270.788759][ C2] vfs_write+0xc0c/0x1210 [ 9270.788762][ C2] ? ksys_write+0x137/0x1d0 [ 9270.788764][ C2] ? __lock_release+0x5d/0x170 [ 9270.788768][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9270.788772][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9270.788779][ C2] ksys_write+0x183/0x1d0 [ 9270.788783][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9270.788785][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9270.788791][ C2] do_syscall_64+0xc1/0x380 [ 9270.788795][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9270.788798][ C2] RIP: 0033:0x7f471c970337 [ 9270.788803][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9270.788804][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9270.788808][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9270.788810][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9270.788812][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9270.788814][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9270.788816][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9270.788823][ C2] [ 9296.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6587s! [mptcp_connect:16956] [ 9296.512944][ 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 [ 9296.512960][ C2] irq event stamp: 64230 [ 9296.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9296.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9296.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9296.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9296.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9296.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 9296.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9296.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9296.513004][ 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 [ 9296.513007][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9296.513010][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9296.513013][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9296.513015][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9296.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9296.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9296.513021][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9296.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9296.513028][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9296.513030][ C2] PKRU: 55555554 [ 9296.513031][ C2] Call Trace: [ 9296.513036][ C2] [ 9296.513039][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9296.513047][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9296.513053][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9296.513056][ C2] ? lock_acquire+0x10c/0x170 [ 9296.513060][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9296.513065][ C2] mptcp_try_fallback+0x14b/0x360 [ 9296.513070][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9296.513076][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9296.513079][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9296.513082][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9296.513087][ C2] __mptcp_retrans+0x42a/0x960 [ 9296.513093][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9296.513098][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9296.513104][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9296.513112][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9296.513115][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9296.513118][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9296.513120][ C2] ? lock_acquire+0x10c/0x170 [ 9296.513123][ C2] ? release_sock+0x1f/0x1d0 [ 9296.513130][ C2] release_sock+0x17f/0x1d0 [ 9296.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9296.513142][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9296.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9296.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9296.513156][ C2] ? find_held_lock+0x2b/0x80 [ 9296.513160][ C2] sock_write_iter+0x3c1/0x520 [ 9296.513165][ C2] ? __up_write+0x1ad/0x530 [ 9296.513170][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9296.513176][ C2] ? ksys_write+0xf7/0x1d0 [ 9296.513183][ C2] vfs_write+0xc0c/0x1210 [ 9296.513186][ C2] ? ksys_write+0x137/0x1d0 [ 9296.513189][ C2] ? __lock_release+0x5d/0x170 [ 9296.513193][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9296.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9296.513204][ C2] ksys_write+0x183/0x1d0 [ 9296.513207][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9296.513210][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9296.513217][ C2] do_syscall_64+0xc1/0x380 [ 9296.513221][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9296.513225][ C2] RIP: 0033:0x7f471c970337 [ 9296.513232][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9296.513234][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9296.513237][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9296.513239][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9296.513242][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9296.513244][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9296.513246][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9296.513252][ C2] [ 9324.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6613s! [mptcp_connect:16956] [ 9324.512944][ 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 [ 9324.512960][ C2] irq event stamp: 64230 [ 9324.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9324.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9324.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9324.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9324.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9324.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 9324.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9324.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9324.513004][ 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 [ 9324.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9324.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9324.513013][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9324.513016][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9324.513018][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9324.513020][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9324.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9324.513025][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9324.513029][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9324.513031][ C2] PKRU: 55555554 [ 9324.513032][ C2] Call Trace: [ 9324.513035][ C2] [ 9324.513039][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9324.513047][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9324.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9324.513055][ C2] ? lock_acquire+0x10c/0x170 [ 9324.513059][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9324.513064][ C2] mptcp_try_fallback+0x14b/0x360 [ 9324.513068][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9324.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9324.513078][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9324.513081][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9324.513086][ C2] __mptcp_retrans+0x42a/0x960 [ 9324.513092][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9324.513097][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9324.513104][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9324.513112][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9324.513114][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9324.513117][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9324.513120][ C2] ? lock_acquire+0x10c/0x170 [ 9324.513124][ C2] ? release_sock+0x1f/0x1d0 [ 9324.513130][ C2] release_sock+0x17f/0x1d0 [ 9324.513134][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9324.513142][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9324.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9324.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9324.513156][ C2] ? find_held_lock+0x2b/0x80 [ 9324.513160][ C2] sock_write_iter+0x3c1/0x520 [ 9324.513165][ C2] ? __up_write+0x1ad/0x530 [ 9324.513170][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9324.513177][ C2] ? ksys_write+0xf7/0x1d0 [ 9324.513184][ C2] vfs_write+0xc0c/0x1210 [ 9324.513188][ C2] ? ksys_write+0x137/0x1d0 [ 9324.513190][ C2] ? __lock_release+0x5d/0x170 [ 9324.513194][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9324.513198][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9324.513205][ C2] ksys_write+0x183/0x1d0 [ 9324.513209][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9324.513212][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9324.513219][ C2] do_syscall_64+0xc1/0x380 [ 9324.513223][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9324.513227][ C2] RIP: 0033:0x7f471c970337 [ 9324.513235][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9324.513237][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9324.513240][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9324.513243][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9324.513245][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9324.513247][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9324.513249][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9324.513255][ C2] [ 9348.790321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9348.790799][ C2] rcu: 2-....: (7118584 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3190247 [ 9348.791424][ C2] rcu: (t=7124273 jiffies g=1286133 q=123998 ncpus=4) [ 9348.791694][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9348.791701][ C2] Tainted: [L]=SOFTLOCKUP [ 9348.791703][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9348.791705][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9348.791716][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9348.791720][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9348.791723][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9348.791726][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9348.791729][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9348.791731][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9348.791733][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9348.791735][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9348.791738][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9348.791742][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9348.791744][ C2] PKRU: 55555554 [ 9348.791746][ C2] Call Trace: [ 9348.791748][ C2] [ 9348.791751][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9348.791759][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9348.791764][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9348.791767][ C2] ? lock_acquire+0x10c/0x170 [ 9348.791771][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9348.791778][ C2] mptcp_try_fallback+0x14b/0x360 [ 9348.791782][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9348.791789][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9348.791792][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9348.791795][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9348.791800][ C2] __mptcp_retrans+0x42a/0x960 [ 9348.791805][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9348.791811][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9348.791818][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9348.791825][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9348.791828][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9348.791831][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9348.791834][ C2] ? lock_acquire+0x10c/0x170 [ 9348.791837][ C2] ? release_sock+0x1f/0x1d0 [ 9348.791844][ C2] release_sock+0x17f/0x1d0 [ 9348.791847][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9348.791855][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9348.791859][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9348.791863][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9348.791869][ C2] ? find_held_lock+0x2b/0x80 [ 9348.791873][ C2] sock_write_iter+0x3c1/0x520 [ 9348.791878][ C2] ? __up_write+0x1ad/0x530 [ 9348.791884][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9348.791891][ C2] ? ksys_write+0xf7/0x1d0 [ 9348.791897][ C2] vfs_write+0xc0c/0x1210 [ 9348.791901][ C2] ? ksys_write+0x137/0x1d0 [ 9348.791903][ C2] ? __lock_release+0x5d/0x170 [ 9348.791907][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9348.791911][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9348.791919][ C2] ksys_write+0x183/0x1d0 [ 9348.791923][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9348.791925][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9348.791933][ C2] do_syscall_64+0xc1/0x380 [ 9348.791937][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9348.791940][ C2] RIP: 0033:0x7f471c970337 [ 9348.791948][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9348.791950][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9348.791953][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9348.791955][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9348.791958][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9348.791960][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9348.791962][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9348.791968][ C2] [ 9368.989439][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7114437 jiffies s: 68525 root: 0x4/. [ 9368.989957][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9368.990147][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9368.990421][ C2] NMI backtrace for cpu 2 [ 9368.990433][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9368.990440][ C2] Tainted: [L]=SOFTLOCKUP [ 9368.990442][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9368.990444][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9368.990454][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9368.990458][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9368.990462][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9368.990465][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9368.990467][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9368.990470][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9368.990472][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9368.990474][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9368.990477][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9368.990481][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9368.990483][ C2] PKRU: 55555554 [ 9368.990484][ C2] Call Trace: [ 9368.990488][ C2] [ 9368.990492][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9368.990499][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9368.990505][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9368.990508][ C2] ? lock_acquire+0x10c/0x170 [ 9368.990512][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9368.990519][ C2] mptcp_try_fallback+0x14b/0x360 [ 9368.990523][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9368.990529][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9368.990532][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9368.990535][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9368.990541][ C2] __mptcp_retrans+0x42a/0x960 [ 9368.990547][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9368.990552][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9368.990559][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9368.990567][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9368.990569][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9368.990573][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9368.990576][ C2] ? lock_acquire+0x10c/0x170 [ 9368.990579][ C2] ? release_sock+0x1f/0x1d0 [ 9368.990586][ C2] release_sock+0x17f/0x1d0 [ 9368.990589][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9368.990597][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9368.990601][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9368.990605][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9368.990611][ C2] ? find_held_lock+0x2b/0x80 [ 9368.990615][ C2] sock_write_iter+0x3c1/0x520 [ 9368.990620][ C2] ? __up_write+0x1ad/0x530 [ 9368.990625][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9368.990632][ C2] ? ksys_write+0xf7/0x1d0 [ 9368.990639][ C2] vfs_write+0xc0c/0x1210 [ 9368.990642][ C2] ? ksys_write+0x137/0x1d0 [ 9368.990645][ C2] ? __lock_release+0x5d/0x170 [ 9368.990649][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9368.990653][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9368.990660][ C2] ksys_write+0x183/0x1d0 [ 9368.990664][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9368.990667][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9368.990673][ C2] do_syscall_64+0xc1/0x380 [ 9368.990678][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9368.990682][ C2] RIP: 0033:0x7f471c970337 [ 9368.990690][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9368.990691][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9368.990695][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9368.990697][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9368.990699][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9368.990702][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9368.990704][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9368.990710][ C2] [ 9396.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6680s! [mptcp_connect:16956] [ 9396.512944][ 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 [ 9396.512960][ C2] irq event stamp: 64230 [ 9396.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9396.512973][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9396.512978][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9396.512984][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9396.512992][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9396.512997][ C2] Tainted: [L]=SOFTLOCKUP [ 9396.512999][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9396.513002][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9396.513007][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9396.513011][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9396.513014][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9396.513017][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9396.513019][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9396.513021][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9396.513023][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9396.513026][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9396.513029][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9396.513033][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9396.513035][ C2] PKRU: 55555554 [ 9396.513037][ C2] Call Trace: [ 9396.513040][ C2] [ 9396.513044][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9396.513052][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9396.513058][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9396.513061][ C2] ? lock_acquire+0x10c/0x170 [ 9396.513065][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9396.513070][ C2] mptcp_try_fallback+0x14b/0x360 [ 9396.513075][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9396.513082][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9396.513085][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9396.513088][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9396.513093][ C2] __mptcp_retrans+0x42a/0x960 [ 9396.513099][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9396.513104][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9396.513112][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9396.513119][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9396.513122][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9396.513125][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9396.513128][ C2] ? lock_acquire+0x10c/0x170 [ 9396.513132][ C2] ? release_sock+0x1f/0x1d0 [ 9396.513138][ C2] release_sock+0x17f/0x1d0 [ 9396.513142][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9396.513150][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9396.513153][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9396.513158][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9396.513163][ C2] ? find_held_lock+0x2b/0x80 [ 9396.513167][ C2] sock_write_iter+0x3c1/0x520 [ 9396.513173][ C2] ? __up_write+0x1ad/0x530 [ 9396.513178][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9396.513185][ C2] ? ksys_write+0xf7/0x1d0 [ 9396.513192][ C2] vfs_write+0xc0c/0x1210 [ 9396.513196][ C2] ? ksys_write+0x137/0x1d0 [ 9396.513198][ C2] ? __lock_release+0x5d/0x170 [ 9396.513202][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9396.513206][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9396.513213][ C2] ksys_write+0x183/0x1d0 [ 9396.513217][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9396.513220][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9396.513227][ C2] do_syscall_64+0xc1/0x380 [ 9396.513231][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9396.513235][ C2] RIP: 0033:0x7f471c970337 [ 9396.513244][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9396.513246][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9396.513249][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9396.513252][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9396.513254][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9396.513256][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9396.513258][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9396.513264][ C2] [ 9424.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6706s! [mptcp_connect:16956] [ 9424.512944][ 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 [ 9424.512959][ C2] irq event stamp: 64230 [ 9424.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9424.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9424.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9424.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9424.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9424.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 9424.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9424.512998][ C2] RIP: 0010:kasan_check_range+0x74/0x1c0 [ 9424.513004][ 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 [ 9424.513008][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000286 [ 9424.513011][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9424.513013][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9424.513015][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: 1ffff1100170bd66 [ 9424.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9424.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9424.513021][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9424.513023][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9424.513027][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9424.513029][ C2] PKRU: 55555554 [ 9424.513030][ C2] Call Trace: [ 9424.513034][ C2] [ 9424.513038][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9424.513044][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9424.513051][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9424.513056][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9424.513058][ C2] ? lock_acquire+0x10c/0x170 [ 9424.513062][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9424.513067][ C2] mptcp_try_fallback+0x14b/0x360 [ 9424.513071][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9424.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9424.513081][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9424.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9424.513089][ C2] __mptcp_retrans+0x42a/0x960 [ 9424.513094][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9424.513099][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9424.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9424.513114][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9424.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9424.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9424.513123][ C2] ? lock_acquire+0x10c/0x170 [ 9424.513126][ C2] ? release_sock+0x1f/0x1d0 [ 9424.513133][ C2] release_sock+0x17f/0x1d0 [ 9424.513136][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9424.513144][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9424.513147][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9424.513151][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9424.513157][ C2] ? find_held_lock+0x2b/0x80 [ 9424.513161][ C2] sock_write_iter+0x3c1/0x520 [ 9424.513166][ C2] ? __up_write+0x1ad/0x530 [ 9424.513171][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9424.513177][ C2] ? ksys_write+0xf7/0x1d0 [ 9424.513183][ C2] vfs_write+0xc0c/0x1210 [ 9424.513187][ C2] ? ksys_write+0x137/0x1d0 [ 9424.513189][ C2] ? __lock_release+0x5d/0x170 [ 9424.513193][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9424.513197][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9424.513204][ C2] ksys_write+0x183/0x1d0 [ 9424.513207][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9424.513210][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9424.513217][ C2] do_syscall_64+0xc1/0x380 [ 9424.513221][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9424.513225][ C2] RIP: 0033:0x7f471c970337 [ 9424.513232][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9424.513234][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9424.513237][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9424.513239][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9424.513241][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9424.513243][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9424.513245][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9424.513251][ C2] [ 9426.793320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9426.793715][ C2] rcu: 2-....: (7196516 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3226720 [ 9426.794237][ C2] rcu: (t=7202276 jiffies g=1286133 q=125346 ncpus=4) [ 9426.794493][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9426.794499][ C2] Tainted: [L]=SOFTLOCKUP [ 9426.794500][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9426.794502][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9426.794510][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9426.794513][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9426.794516][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9426.794519][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9426.794521][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9426.794522][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9426.794524][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9426.794527][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9426.794529][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9426.794533][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9426.794535][ C2] PKRU: 55555554 [ 9426.794536][ C2] Call Trace: [ 9426.794538][ C2] [ 9426.794540][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9426.794548][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9426.794552][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9426.794555][ C2] ? lock_acquire+0x10c/0x170 [ 9426.794558][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9426.794563][ C2] mptcp_try_fallback+0x14b/0x360 [ 9426.794567][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9426.794573][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9426.794576][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9426.794578][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9426.794583][ C2] __mptcp_retrans+0x42a/0x960 [ 9426.794589][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9426.794594][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9426.794600][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9426.794607][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9426.794609][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9426.794613][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9426.794615][ C2] ? lock_acquire+0x10c/0x170 [ 9426.794618][ C2] ? release_sock+0x1f/0x1d0 [ 9426.794624][ C2] release_sock+0x17f/0x1d0 [ 9426.794627][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9426.794634][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9426.794638][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9426.794642][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9426.794647][ C2] ? find_held_lock+0x2b/0x80 [ 9426.794651][ C2] sock_write_iter+0x3c1/0x520 [ 9426.794655][ C2] ? __up_write+0x1ad/0x530 [ 9426.794659][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9426.794665][ C2] ? ksys_write+0xf7/0x1d0 [ 9426.794671][ C2] vfs_write+0xc0c/0x1210 [ 9426.794674][ C2] ? ksys_write+0x137/0x1d0 [ 9426.794677][ C2] ? __lock_release+0x5d/0x170 [ 9426.794681][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9426.794684][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9426.794691][ C2] ksys_write+0x183/0x1d0 [ 9426.794695][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9426.794697][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9426.794704][ C2] do_syscall_64+0xc1/0x380 [ 9426.794707][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9426.794710][ C2] RIP: 0033:0x7f471c970337 [ 9426.794716][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9426.794718][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9426.794720][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9426.794723][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9426.794724][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9426.794726][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9426.794728][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9426.794734][ C2] [ 9452.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6732s! [mptcp_connect:16956] [ 9452.512943][ 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 [ 9452.512958][ C2] irq event stamp: 64230 [ 9452.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9452.512970][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9452.512974][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9452.512980][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9452.512987][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9452.512992][ C2] Tainted: [L]=SOFTLOCKUP [ 9452.512994][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9452.512996][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9452.513001][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9452.513004][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9452.513007][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9452.513010][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9452.513012][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9452.513014][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9452.513016][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9452.513018][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9452.513021][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9452.513025][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9452.513027][ C2] PKRU: 55555554 [ 9452.513028][ C2] Call Trace: [ 9452.513031][ C2] [ 9452.513035][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9452.513043][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9452.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9452.513051][ C2] ? lock_acquire+0x10c/0x170 [ 9452.513055][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9452.513059][ C2] mptcp_try_fallback+0x14b/0x360 [ 9452.513064][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9452.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9452.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9452.513076][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9452.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 9452.513086][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9452.513091][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9452.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9452.513107][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9452.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9452.513113][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9452.513115][ C2] ? lock_acquire+0x10c/0x170 [ 9452.513118][ C2] ? release_sock+0x1f/0x1d0 [ 9452.513124][ C2] release_sock+0x17f/0x1d0 [ 9452.513128][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9452.513136][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9452.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9452.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9452.513149][ C2] ? find_held_lock+0x2b/0x80 [ 9452.513153][ C2] sock_write_iter+0x3c1/0x520 [ 9452.513159][ C2] ? __up_write+0x1ad/0x530 [ 9452.513163][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9452.513170][ C2] ? ksys_write+0xf7/0x1d0 [ 9452.513176][ C2] vfs_write+0xc0c/0x1210 [ 9452.513180][ C2] ? ksys_write+0x137/0x1d0 [ 9452.513183][ C2] ? __lock_release+0x5d/0x170 [ 9452.513187][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9452.513191][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9452.513198][ C2] ksys_write+0x183/0x1d0 [ 9452.513202][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9452.513204][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9452.513211][ C2] do_syscall_64+0xc1/0x380 [ 9452.513215][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9452.513219][ C2] RIP: 0033:0x7f471c970337 [ 9452.513227][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9452.513228][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9452.513231][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9452.513233][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9452.513235][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9452.513237][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9452.513239][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9452.513245][ C2] [ 9467.293459][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7212741 jiffies s: 68525 root: 0x4/. [ 9467.294023][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9467.294282][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9467.294487][ C2] NMI backtrace for cpu 2 [ 9467.294498][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9467.294511][ C2] Tainted: [L]=SOFTLOCKUP [ 9467.294512][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9467.294515][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9467.294525][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9467.294528][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9467.294531][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9467.294534][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9467.294536][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9467.294538][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9467.294540][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9467.294542][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9467.294544][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9467.294548][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9467.294550][ C2] PKRU: 55555554 [ 9467.294552][ C2] Call Trace: [ 9467.294554][ C2] [ 9467.294558][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9467.294565][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9467.294570][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9467.294573][ C2] ? lock_acquire+0x10c/0x170 [ 9467.294577][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9467.294584][ C2] mptcp_try_fallback+0x14b/0x360 [ 9467.294588][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9467.294594][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9467.294597][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9467.294599][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9467.294604][ C2] __mptcp_retrans+0x42a/0x960 [ 9467.294610][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9467.294615][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9467.294622][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9467.294629][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9467.294631][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9467.294634][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9467.294637][ C2] ? lock_acquire+0x10c/0x170 [ 9467.294640][ C2] ? release_sock+0x1f/0x1d0 [ 9467.294646][ C2] release_sock+0x17f/0x1d0 [ 9467.294650][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9467.294657][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9467.294661][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9467.294665][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9467.294671][ C2] ? find_held_lock+0x2b/0x80 [ 9467.294675][ C2] sock_write_iter+0x3c1/0x520 [ 9467.294680][ C2] ? __up_write+0x1ad/0x530 [ 9467.294684][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9467.294691][ C2] ? ksys_write+0xf7/0x1d0 [ 9467.294697][ C2] vfs_write+0xc0c/0x1210 [ 9467.294700][ C2] ? ksys_write+0x137/0x1d0 [ 9467.294703][ C2] ? __lock_release+0x5d/0x170 [ 9467.294707][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9467.294710][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9467.294717][ C2] ksys_write+0x183/0x1d0 [ 9467.294721][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9467.294724][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9467.294730][ C2] do_syscall_64+0xc1/0x380 [ 9467.294734][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9467.294738][ C2] RIP: 0033:0x7f471c970337 [ 9467.294746][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9467.294748][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9467.294751][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9467.294753][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9467.294755][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9467.294757][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9467.294759][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9467.294764][ C2] [ 9492.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6769s! [mptcp_connect:16956] [ 9492.512943][ 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 [ 9492.512958][ C2] irq event stamp: 64230 [ 9492.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9492.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9492.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9492.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9492.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9492.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 9492.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9492.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9492.513004][ 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 [ 9492.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9492.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9492.513013][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9492.513015][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9492.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9492.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9492.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9492.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9492.513028][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9492.513030][ C2] PKRU: 55555554 [ 9492.513031][ C2] Call Trace: [ 9492.513034][ C2] [ 9492.513038][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9492.513046][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9492.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9492.513054][ C2] ? lock_acquire+0x10c/0x170 [ 9492.513057][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9492.513062][ C2] mptcp_try_fallback+0x14b/0x360 [ 9492.513066][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9492.513073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9492.513076][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9492.513079][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9492.513083][ C2] __mptcp_retrans+0x42a/0x960 [ 9492.513089][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9492.513094][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9492.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9492.513109][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9492.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9492.513115][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9492.513117][ C2] ? lock_acquire+0x10c/0x170 [ 9492.513120][ C2] ? release_sock+0x1f/0x1d0 [ 9492.513127][ C2] release_sock+0x17f/0x1d0 [ 9492.513131][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9492.513138][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9492.513142][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9492.513146][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9492.513151][ C2] ? find_held_lock+0x2b/0x80 [ 9492.513155][ C2] sock_write_iter+0x3c1/0x520 [ 9492.513160][ C2] ? __up_write+0x1ad/0x530 [ 9492.513165][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9492.513172][ C2] ? ksys_write+0xf7/0x1d0 [ 9492.513178][ C2] vfs_write+0xc0c/0x1210 [ 9492.513182][ C2] ? ksys_write+0x137/0x1d0 [ 9492.513184][ C2] ? __lock_release+0x5d/0x170 [ 9492.513188][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9492.513192][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9492.513199][ C2] ksys_write+0x183/0x1d0 [ 9492.513203][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9492.513205][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9492.513212][ C2] do_syscall_64+0xc1/0x380 [ 9492.513216][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9492.513220][ C2] RIP: 0033:0x7f471c970337 [ 9492.513229][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9492.513231][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9492.513233][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9492.513236][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9492.513238][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9492.513239][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9492.513241][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9492.513247][ C2] [ 9504.796320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9504.796755][ C2] rcu: 2-....: (7274446 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3262661 [ 9504.797397][ C2] rcu: (t=7280279 jiffies g=1286133 q=126691 ncpus=4) [ 9504.797660][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9504.797666][ C2] Tainted: [L]=SOFTLOCKUP [ 9504.797667][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9504.797670][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9504.797680][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9504.797683][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9504.797687][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9504.797689][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9504.797691][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9504.797693][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9504.797695][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9504.797697][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9504.797700][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9504.797704][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9504.797706][ C2] PKRU: 55555554 [ 9504.797707][ C2] Call Trace: [ 9504.797709][ C2] [ 9504.797711][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9504.797718][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9504.797723][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9504.797726][ C2] ? lock_acquire+0x10c/0x170 [ 9504.797730][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9504.797737][ C2] mptcp_try_fallback+0x14b/0x360 [ 9504.797741][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9504.797747][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9504.797749][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9504.797752][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9504.797757][ C2] __mptcp_retrans+0x42a/0x960 [ 9504.797762][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9504.797768][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9504.797774][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9504.797782][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9504.797784][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9504.797788][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9504.797790][ C2] ? lock_acquire+0x10c/0x170 [ 9504.797793][ C2] ? release_sock+0x1f/0x1d0 [ 9504.797799][ C2] release_sock+0x17f/0x1d0 [ 9504.797802][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9504.797810][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9504.797813][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9504.797817][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9504.797823][ C2] ? find_held_lock+0x2b/0x80 [ 9504.797827][ C2] sock_write_iter+0x3c1/0x520 [ 9504.797831][ C2] ? __up_write+0x1ad/0x530 [ 9504.797836][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9504.797842][ C2] ? ksys_write+0xf7/0x1d0 [ 9504.797849][ C2] vfs_write+0xc0c/0x1210 [ 9504.797852][ C2] ? ksys_write+0x137/0x1d0 [ 9504.797855][ C2] ? __lock_release+0x5d/0x170 [ 9504.797859][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9504.797862][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9504.797870][ C2] ksys_write+0x183/0x1d0 [ 9504.797873][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9504.797875][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9504.797882][ C2] do_syscall_64+0xc1/0x380 [ 9504.797886][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9504.797889][ C2] RIP: 0033:0x7f471c970337 [ 9504.797897][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9504.797900][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9504.797903][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9504.797905][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9504.797907][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9504.797909][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9504.797911][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9504.797917][ C2] [ 9532.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6806s! [mptcp_connect:16956] [ 9532.512943][ 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 [ 9532.512959][ C2] irq event stamp: 64230 [ 9532.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9532.512970][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9532.512974][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9532.512980][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9532.512988][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9532.512993][ C2] Tainted: [L]=SOFTLOCKUP [ 9532.512995][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9532.512997][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9532.513002][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9532.513005][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9532.513008][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9532.513011][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9532.513013][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9532.513015][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9532.513017][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9532.513019][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9532.513022][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9532.513025][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9532.513027][ C2] PKRU: 55555554 [ 9532.513029][ C2] Call Trace: [ 9532.513031][ C2] [ 9532.513035][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9532.513042][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9532.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9532.513051][ C2] ? lock_acquire+0x10c/0x170 [ 9532.513055][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9532.513060][ C2] mptcp_try_fallback+0x14b/0x360 [ 9532.513064][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9532.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9532.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9532.513076][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9532.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 9532.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9532.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9532.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9532.513107][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9532.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9532.513113][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9532.513115][ C2] ? lock_acquire+0x10c/0x170 [ 9532.513118][ C2] ? release_sock+0x1f/0x1d0 [ 9532.513124][ C2] release_sock+0x17f/0x1d0 [ 9532.513128][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9532.513136][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9532.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9532.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9532.513149][ C2] ? find_held_lock+0x2b/0x80 [ 9532.513153][ C2] sock_write_iter+0x3c1/0x520 [ 9532.513157][ C2] ? __up_write+0x1ad/0x530 [ 9532.513162][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9532.513169][ C2] ? ksys_write+0xf7/0x1d0 [ 9532.513175][ C2] vfs_write+0xc0c/0x1210 [ 9532.513178][ C2] ? ksys_write+0x137/0x1d0 [ 9532.513181][ C2] ? __lock_release+0x5d/0x170 [ 9532.513185][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9532.513189][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9532.513196][ C2] ksys_write+0x183/0x1d0 [ 9532.513200][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9532.513202][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9532.513209][ C2] do_syscall_64+0xc1/0x380 [ 9532.513213][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9532.513217][ C2] RIP: 0033:0x7f471c970337 [ 9532.513224][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9532.513226][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9532.513229][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9532.513231][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9532.513233][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9532.513235][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9532.513237][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9532.513243][ C2] [ 9560.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6832s! [mptcp_connect:16956] [ 9560.512945][ 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 [ 9560.512960][ C2] irq event stamp: 64230 [ 9560.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9560.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9560.512977][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9560.512983][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9560.512991][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9560.512996][ C2] Tainted: [L]=SOFTLOCKUP [ 9560.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9560.513000][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9560.513004][ 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 [ 9560.513008][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9560.513011][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9560.513013][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9560.513015][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9560.513017][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9560.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9560.513021][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9560.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9560.513027][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9560.513030][ C2] PKRU: 55555554 [ 9560.513031][ C2] Call Trace: [ 9560.513034][ C2] [ 9560.513038][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9560.513046][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9560.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9560.513054][ C2] ? lock_acquire+0x10c/0x170 [ 9560.513058][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9560.513063][ C2] mptcp_try_fallback+0x14b/0x360 [ 9560.513067][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9560.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9560.513077][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9560.513080][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9560.513085][ C2] __mptcp_retrans+0x42a/0x960 [ 9560.513090][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9560.513096][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9560.513103][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9560.513110][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9560.513113][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9560.513116][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9560.513119][ C2] ? lock_acquire+0x10c/0x170 [ 9560.513122][ C2] ? release_sock+0x1f/0x1d0 [ 9560.513128][ C2] release_sock+0x17f/0x1d0 [ 9560.513131][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9560.513139][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9560.513142][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9560.513146][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9560.513152][ C2] ? find_held_lock+0x2b/0x80 [ 9560.513156][ C2] sock_write_iter+0x3c1/0x520 [ 9560.513161][ C2] ? __up_write+0x1ad/0x530 [ 9560.513166][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9560.513173][ C2] ? ksys_write+0xf7/0x1d0 [ 9560.513179][ C2] vfs_write+0xc0c/0x1210 [ 9560.513183][ C2] ? ksys_write+0x137/0x1d0 [ 9560.513186][ C2] ? __lock_release+0x5d/0x170 [ 9560.513190][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9560.513193][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9560.513201][ C2] ksys_write+0x183/0x1d0 [ 9560.513204][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9560.513207][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9560.513214][ C2] do_syscall_64+0xc1/0x380 [ 9560.513218][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9560.513222][ C2] RIP: 0033:0x7f471c970337 [ 9560.513230][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9560.513232][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9560.513235][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9560.513237][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9560.513239][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9560.513242][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9560.513243][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9560.513249][ C2] [ 9565.597484][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7311045 jiffies s: 68525 root: 0x4/. [ 9565.598630][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9565.598965][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9565.599138][ C2] NMI backtrace for cpu 2 [ 9565.599147][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9565.599153][ C2] Tainted: [L]=SOFTLOCKUP [ 9565.599155][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9565.599157][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 9565.599164][ 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 [ 9565.599167][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9565.599171][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9565.599173][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9565.599175][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9565.599177][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9565.599179][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9565.599181][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9565.599184][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9565.599188][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9565.599190][ C2] PKRU: 55555554 [ 9565.599191][ C2] Call Trace: [ 9565.599193][ C2] [ 9565.599196][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9565.599204][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9565.599208][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9565.599211][ C2] ? lock_acquire+0x10c/0x170 [ 9565.599214][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9565.599220][ C2] mptcp_try_fallback+0x14b/0x360 [ 9565.599224][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9565.599230][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9565.599233][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9565.599236][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9565.599240][ C2] __mptcp_retrans+0x42a/0x960 [ 9565.599246][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9565.599251][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9565.599257][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9565.599265][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9565.599267][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9565.599271][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9565.599273][ C2] ? lock_acquire+0x10c/0x170 [ 9565.599276][ C2] ? release_sock+0x1f/0x1d0 [ 9565.599282][ C2] release_sock+0x17f/0x1d0 [ 9565.599285][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9565.599293][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9565.599297][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9565.599301][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9565.599306][ C2] ? find_held_lock+0x2b/0x80 [ 9565.599310][ C2] sock_write_iter+0x3c1/0x520 [ 9565.599314][ C2] ? __up_write+0x1ad/0x530 [ 9565.599320][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9565.599326][ C2] ? ksys_write+0xf7/0x1d0 [ 9565.599332][ C2] vfs_write+0xc0c/0x1210 [ 9565.599335][ C2] ? ksys_write+0x137/0x1d0 [ 9565.599338][ C2] ? __lock_release+0x5d/0x170 [ 9565.599342][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9565.599345][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9565.599352][ C2] ksys_write+0x183/0x1d0 [ 9565.599355][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9565.599358][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9565.599364][ C2] do_syscall_64+0xc1/0x380 [ 9565.599368][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9565.599371][ C2] RIP: 0033:0x7f471c970337 [ 9565.599377][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9565.599379][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9565.599382][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9565.599384][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9565.599386][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9565.599388][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9565.599390][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9565.599396][ C2] [ 9582.799320][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9582.799813][ C2] rcu: 2-....: (7352379 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3298928 [ 9582.800479][ C2] rcu: (t=7358282 jiffies g=1286133 q=128036 ncpus=4) [ 9582.800727][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9582.800733][ C2] Tainted: [L]=SOFTLOCKUP [ 9582.800735][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9582.800737][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9582.800744][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9582.800747][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9582.800751][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9582.800753][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9582.800755][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9582.800757][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9582.800759][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9582.800761][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9582.800764][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9582.800768][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9582.800770][ C2] PKRU: 55555554 [ 9582.800771][ C2] Call Trace: [ 9582.800772][ C2] [ 9582.800775][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9582.800782][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9582.800786][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9582.800789][ C2] ? lock_acquire+0x10c/0x170 [ 9582.800793][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9582.800799][ C2] mptcp_try_fallback+0x14b/0x360 [ 9582.800803][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9582.800809][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9582.800811][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9582.800814][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9582.800819][ C2] __mptcp_retrans+0x42a/0x960 [ 9582.800824][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9582.800829][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9582.800836][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9582.800843][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9582.800846][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9582.800849][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9582.800851][ C2] ? lock_acquire+0x10c/0x170 [ 9582.800854][ C2] ? release_sock+0x1f/0x1d0 [ 9582.800860][ C2] release_sock+0x17f/0x1d0 [ 9582.800864][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9582.800871][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9582.800875][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9582.800878][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9582.800884][ C2] ? find_held_lock+0x2b/0x80 [ 9582.800887][ C2] sock_write_iter+0x3c1/0x520 [ 9582.800892][ C2] ? __up_write+0x1ad/0x530 [ 9582.800896][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9582.800902][ C2] ? ksys_write+0xf7/0x1d0 [ 9582.800908][ C2] vfs_write+0xc0c/0x1210 [ 9582.800911][ C2] ? ksys_write+0x137/0x1d0 [ 9582.800914][ C2] ? __lock_release+0x5d/0x170 [ 9582.800918][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9582.800921][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9582.800928][ C2] ksys_write+0x183/0x1d0 [ 9582.800931][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9582.800934][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9582.800940][ C2] do_syscall_64+0xc1/0x380 [ 9582.800944][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9582.800947][ C2] RIP: 0033:0x7f471c970337 [ 9582.800953][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9582.800955][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9582.800958][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9582.800960][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9582.800962][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9582.800964][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9582.800966][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9582.800972][ C2] [ 9608.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6877s! [mptcp_connect:16956] [ 9608.512944][ 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 [ 9608.512960][ C2] irq event stamp: 64230 [ 9608.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9608.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9608.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9608.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9608.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9608.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 9608.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9608.512998][ C2] RIP: 0010:queued_spin_lock_slowpath+0xa6/0x9c0 [ 9608.513002][ 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 [ 9608.513006][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9608.513009][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9608.513011][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9608.513013][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9608.513015][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9608.513017][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9608.513019][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9608.513022][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9608.513026][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9608.513028][ C2] PKRU: 55555554 [ 9608.513030][ C2] Call Trace: [ 9608.513032][ C2] [ 9608.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9608.513043][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9608.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9608.513051][ C2] ? lock_acquire+0x10c/0x170 [ 9608.513056][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9608.513060][ C2] mptcp_try_fallback+0x14b/0x360 [ 9608.513064][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9608.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9608.513074][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9608.513077][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9608.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 9608.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9608.513093][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9608.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9608.513107][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9608.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9608.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9608.513115][ C2] ? lock_acquire+0x10c/0x170 [ 9608.513118][ C2] ? release_sock+0x1f/0x1d0 [ 9608.513124][ C2] release_sock+0x17f/0x1d0 [ 9608.513128][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9608.513135][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9608.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9608.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9608.513149][ C2] ? find_held_lock+0x2b/0x80 [ 9608.513153][ C2] sock_write_iter+0x3c1/0x520 [ 9608.513158][ C2] ? __up_write+0x1ad/0x530 [ 9608.513163][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9608.513169][ C2] ? ksys_write+0xf7/0x1d0 [ 9608.513176][ C2] vfs_write+0xc0c/0x1210 [ 9608.513179][ C2] ? ksys_write+0x137/0x1d0 [ 9608.513182][ C2] ? __lock_release+0x5d/0x170 [ 9608.513185][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9608.513189][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9608.513196][ C2] ksys_write+0x183/0x1d0 [ 9608.513200][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9608.513203][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9608.513209][ C2] do_syscall_64+0xc1/0x380 [ 9608.513213][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9608.513218][ C2] RIP: 0033:0x7f471c970337 [ 9608.513225][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9608.513227][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9608.513230][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9608.513232][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9608.513234][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9608.513236][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9608.513238][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9608.513244][ C2] [ 9636.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6903s! [mptcp_connect:16956] [ 9636.512943][ 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 [ 9636.512959][ C2] irq event stamp: 64230 [ 9636.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9636.512970][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9636.512974][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9636.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9636.512988][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9636.512993][ C2] Tainted: [L]=SOFTLOCKUP [ 9636.512995][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9636.512997][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9636.513002][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9636.513005][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9636.513009][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9636.513011][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9636.513013][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9636.513015][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9636.513016][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9636.513019][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9636.513021][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9636.513025][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9636.513027][ C2] PKRU: 55555554 [ 9636.513029][ C2] Call Trace: [ 9636.513032][ C2] [ 9636.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9636.513043][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9636.513049][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9636.513051][ C2] ? lock_acquire+0x10c/0x170 [ 9636.513055][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9636.513060][ C2] mptcp_try_fallback+0x14b/0x360 [ 9636.513064][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9636.513070][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9636.513073][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9636.513076][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9636.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 9636.513086][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9636.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9636.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9636.513106][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9636.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9636.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9636.513115][ C2] ? lock_acquire+0x10c/0x170 [ 9636.513118][ C2] ? release_sock+0x1f/0x1d0 [ 9636.513123][ C2] release_sock+0x17f/0x1d0 [ 9636.513127][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9636.513134][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9636.513138][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9636.513142][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9636.513147][ C2] ? find_held_lock+0x2b/0x80 [ 9636.513151][ C2] sock_write_iter+0x3c1/0x520 [ 9636.513156][ C2] ? __up_write+0x1ad/0x530 [ 9636.513161][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9636.513168][ C2] ? ksys_write+0xf7/0x1d0 [ 9636.513174][ C2] vfs_write+0xc0c/0x1210 [ 9636.513178][ C2] ? ksys_write+0x137/0x1d0 [ 9636.513180][ C2] ? __lock_release+0x5d/0x170 [ 9636.513184][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9636.513188][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9636.513195][ C2] ksys_write+0x183/0x1d0 [ 9636.513199][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9636.513201][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9636.513208][ C2] do_syscall_64+0xc1/0x380 [ 9636.513212][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9636.513216][ C2] RIP: 0033:0x7f471c970337 [ 9636.513224][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9636.513226][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9636.513229][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9636.513231][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9636.513233][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9636.513235][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9636.513237][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9636.513243][ C2] [ 9660.802321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9660.802735][ C2] rcu: 2-....: (7430326 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3335705 [ 9660.803264][ C2] rcu: (t=7436285 jiffies g=1286133 q=129059 ncpus=4) [ 9660.803601][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9660.803607][ C2] Tainted: [L]=SOFTLOCKUP [ 9660.803608][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9660.803610][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9660.803620][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9660.803624][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9660.803627][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9660.803629][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9660.803631][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9660.803633][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9660.803635][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9660.803637][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9660.803640][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9660.803643][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9660.803645][ C2] PKRU: 55555554 [ 9660.803647][ C2] Call Trace: [ 9660.803648][ C2] [ 9660.803650][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9660.803658][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9660.803662][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9660.803665][ C2] ? lock_acquire+0x10c/0x170 [ 9660.803669][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9660.803676][ C2] mptcp_try_fallback+0x14b/0x360 [ 9660.803679][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9660.803685][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9660.803688][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9660.803690][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9660.803695][ C2] __mptcp_retrans+0x42a/0x960 [ 9660.803701][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9660.803706][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9660.803713][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9660.803720][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9660.803723][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9660.803726][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9660.803729][ C2] ? lock_acquire+0x10c/0x170 [ 9660.803732][ C2] ? release_sock+0x1f/0x1d0 [ 9660.803738][ C2] release_sock+0x17f/0x1d0 [ 9660.803741][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9660.803748][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9660.803752][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9660.803755][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9660.803761][ C2] ? find_held_lock+0x2b/0x80 [ 9660.803765][ C2] sock_write_iter+0x3c1/0x520 [ 9660.803769][ C2] ? __up_write+0x1ad/0x530 [ 9660.803774][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9660.803780][ C2] ? ksys_write+0xf7/0x1d0 [ 9660.803787][ C2] vfs_write+0xc0c/0x1210 [ 9660.803790][ C2] ? ksys_write+0x137/0x1d0 [ 9660.803792][ C2] ? __lock_release+0x5d/0x170 [ 9660.803796][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9660.803800][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9660.803807][ C2] ksys_write+0x183/0x1d0 [ 9660.803811][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9660.803813][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9660.803820][ C2] do_syscall_64+0xc1/0x380 [ 9660.803823][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9660.803827][ C2] RIP: 0033:0x7f471c970337 [ 9660.803835][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9660.803837][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9660.803840][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9660.803842][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9660.803844][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9660.803846][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9660.803848][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9660.803854][ C2] [ 9663.901394][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7409349 jiffies s: 68525 root: 0x4/. [ 9663.901932][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9663.902190][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9663.902371][ C2] NMI backtrace for cpu 2 [ 9663.902379][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9663.902385][ C2] Tainted: [L]=SOFTLOCKUP [ 9663.902387][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9663.902389][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9663.902397][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9663.902400][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9663.902403][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9663.902406][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9663.902408][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9663.902410][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9663.902411][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9663.902413][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9663.902416][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9663.902419][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9663.902421][ C2] PKRU: 55555554 [ 9663.902423][ C2] Call Trace: [ 9663.902425][ C2] [ 9663.902428][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9663.902436][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9663.902440][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9663.902443][ C2] ? lock_acquire+0x10c/0x170 [ 9663.902446][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9663.902452][ C2] mptcp_try_fallback+0x14b/0x360 [ 9663.902456][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9663.902462][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9663.902465][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9663.902467][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9663.902472][ C2] __mptcp_retrans+0x42a/0x960 [ 9663.902478][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9663.902483][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9663.902489][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9663.902496][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9663.902499][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9663.902502][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9663.902505][ C2] ? lock_acquire+0x10c/0x170 [ 9663.902508][ C2] ? release_sock+0x1f/0x1d0 [ 9663.902513][ C2] release_sock+0x17f/0x1d0 [ 9663.902516][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9663.902524][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9663.902527][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9663.902531][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9663.902536][ C2] ? find_held_lock+0x2b/0x80 [ 9663.902540][ C2] sock_write_iter+0x3c1/0x520 [ 9663.902544][ C2] ? __up_write+0x1ad/0x530 [ 9663.902549][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9663.902555][ C2] ? ksys_write+0xf7/0x1d0 [ 9663.902561][ C2] vfs_write+0xc0c/0x1210 [ 9663.902564][ C2] ? ksys_write+0x137/0x1d0 [ 9663.902566][ C2] ? __lock_release+0x5d/0x170 [ 9663.902570][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9663.902574][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9663.902581][ C2] ksys_write+0x183/0x1d0 [ 9663.902584][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9663.902586][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9663.902592][ C2] do_syscall_64+0xc1/0x380 [ 9663.902596][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9663.902600][ C2] RIP: 0033:0x7f471c970337 [ 9663.902606][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9663.902608][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9663.902611][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9663.902613][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9663.902615][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9663.902617][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9663.902619][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9663.902624][ C2] [ 9688.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6952s! [mptcp_connect:16956] [ 9688.512943][ 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 [ 9688.512958][ C2] irq event stamp: 64230 [ 9688.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9688.512969][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9688.512973][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9688.512979][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9688.512987][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9688.512992][ C2] Tainted: [L]=SOFTLOCKUP [ 9688.512994][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9688.512996][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9688.513001][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9688.513004][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9688.513008][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9688.513010][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9688.513012][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9688.513014][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9688.513016][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9688.513018][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9688.513021][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9688.513024][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9688.513027][ C2] PKRU: 55555554 [ 9688.513028][ C2] Call Trace: [ 9688.513030][ C2] [ 9688.513034][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9688.513041][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9688.513047][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9688.513049][ C2] ? lock_acquire+0x10c/0x170 [ 9688.513053][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9688.513058][ C2] mptcp_try_fallback+0x14b/0x360 [ 9688.513062][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9688.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9688.513072][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9688.513074][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9688.513079][ C2] __mptcp_retrans+0x42a/0x960 [ 9688.513085][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9688.513090][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9688.513097][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9688.513105][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9688.513108][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9688.513111][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9688.513113][ C2] ? lock_acquire+0x10c/0x170 [ 9688.513116][ C2] ? release_sock+0x1f/0x1d0 [ 9688.513122][ C2] release_sock+0x17f/0x1d0 [ 9688.513126][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9688.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9688.513137][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9688.513141][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9688.513146][ C2] ? find_held_lock+0x2b/0x80 [ 9688.513150][ C2] sock_write_iter+0x3c1/0x520 [ 9688.513155][ C2] ? __up_write+0x1ad/0x530 [ 9688.513160][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9688.513167][ C2] ? ksys_write+0xf7/0x1d0 [ 9688.513173][ C2] vfs_write+0xc0c/0x1210 [ 9688.513177][ C2] ? ksys_write+0x137/0x1d0 [ 9688.513179][ C2] ? __lock_release+0x5d/0x170 [ 9688.513183][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9688.513187][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9688.513194][ C2] ksys_write+0x183/0x1d0 [ 9688.513197][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9688.513200][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9688.513207][ C2] do_syscall_64+0xc1/0x380 [ 9688.513211][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9688.513215][ C2] RIP: 0033:0x7f471c970337 [ 9688.513222][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9688.513224][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9688.513227][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9688.513229][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9688.513231][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9688.513233][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9688.513235][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9688.513241][ C2] [ 9716.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 6978s! [mptcp_connect:16956] [ 9716.512943][ 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 [ 9716.512958][ C2] irq event stamp: 64230 [ 9716.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9716.512970][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9716.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9716.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9716.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9716.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 9716.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9716.512998][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9716.513003][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9716.513006][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9716.513009][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9716.513011][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9716.513013][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9716.513015][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9716.513018][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9716.513020][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9716.513022][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9716.513026][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9716.513028][ C2] PKRU: 55555554 [ 9716.513030][ C2] Call Trace: [ 9716.513032][ C2] [ 9716.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9716.513043][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9716.513048][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9716.513051][ C2] ? lock_acquire+0x10c/0x170 [ 9716.513055][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9716.513060][ C2] mptcp_try_fallback+0x14b/0x360 [ 9716.513065][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9716.513071][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9716.513074][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9716.513077][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9716.513081][ C2] __mptcp_retrans+0x42a/0x960 [ 9716.513087][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9716.513092][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9716.513099][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9716.513107][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9716.513109][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9716.513112][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9716.513115][ C2] ? lock_acquire+0x10c/0x170 [ 9716.513118][ C2] ? release_sock+0x1f/0x1d0 [ 9716.513124][ C2] release_sock+0x17f/0x1d0 [ 9716.513128][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9716.513135][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9716.513138][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9716.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9716.513148][ C2] ? find_held_lock+0x2b/0x80 [ 9716.513152][ C2] sock_write_iter+0x3c1/0x520 [ 9716.513157][ C2] ? __up_write+0x1ad/0x530 [ 9716.513161][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9716.513168][ C2] ? ksys_write+0xf7/0x1d0 [ 9716.513174][ C2] vfs_write+0xc0c/0x1210 [ 9716.513178][ C2] ? ksys_write+0x137/0x1d0 [ 9716.513180][ C2] ? __lock_release+0x5d/0x170 [ 9716.513184][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9716.513188][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9716.513195][ C2] ksys_write+0x183/0x1d0 [ 9716.513198][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9716.513201][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9716.513207][ C2] do_syscall_64+0xc1/0x380 [ 9716.513212][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9716.513215][ C2] RIP: 0033:0x7f471c970337 [ 9716.513222][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9716.513224][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9716.513227][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9716.513229][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9716.513231][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9716.513233][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9716.513235][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9716.513241][ C2] [ 9738.805321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9738.805792][ C2] rcu: 2-....: (7508257 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3372281 [ 9738.806320][ C2] rcu: (t=7514288 jiffies g=1286133 q=130404 ncpus=4) [ 9738.806566][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9738.806572][ C2] Tainted: [L]=SOFTLOCKUP [ 9738.806573][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9738.806575][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9738.806584][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9738.806587][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9738.806591][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9738.806593][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9738.806595][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9738.806597][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9738.806599][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9738.806601][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9738.806603][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9738.806607][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9738.806609][ C2] PKRU: 55555554 [ 9738.806611][ C2] Call Trace: [ 9738.806612][ C2] [ 9738.806614][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9738.806622][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9738.806626][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9738.806629][ C2] ? lock_acquire+0x10c/0x170 [ 9738.806633][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9738.806640][ C2] mptcp_try_fallback+0x14b/0x360 [ 9738.806644][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9738.806650][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9738.806653][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9738.806655][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9738.806661][ C2] __mptcp_retrans+0x42a/0x960 [ 9738.806666][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9738.806671][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9738.806679][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9738.806686][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9738.806689][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9738.806692][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9738.806694][ C2] ? lock_acquire+0x10c/0x170 [ 9738.806697][ C2] ? release_sock+0x1f/0x1d0 [ 9738.806703][ C2] release_sock+0x17f/0x1d0 [ 9738.806707][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9738.806714][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9738.806717][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9738.806721][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9738.806727][ C2] ? find_held_lock+0x2b/0x80 [ 9738.806731][ C2] sock_write_iter+0x3c1/0x520 [ 9738.806735][ C2] ? __up_write+0x1ad/0x530 [ 9738.806740][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9738.806746][ C2] ? ksys_write+0xf7/0x1d0 [ 9738.806752][ C2] vfs_write+0xc0c/0x1210 [ 9738.806756][ C2] ? ksys_write+0x137/0x1d0 [ 9738.806758][ C2] ? __lock_release+0x5d/0x170 [ 9738.806762][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9738.806765][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9738.806773][ C2] ksys_write+0x183/0x1d0 [ 9738.806776][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9738.806779][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9738.806785][ C2] do_syscall_64+0xc1/0x380 [ 9738.806789][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9738.806793][ C2] RIP: 0033:0x7f471c970337 [ 9738.806801][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9738.806802][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9738.806805][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9738.806807][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9738.806809][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9738.806811][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9738.806813][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9738.806819][ C2] [ 9762.205473][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7507653 jiffies s: 68525 root: 0x4/. [ 9762.206615][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9762.206813][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9762.206996][ C2] NMI backtrace for cpu 2 [ 9762.207006][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9762.207013][ C2] Tainted: [L]=SOFTLOCKUP [ 9762.207014][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9762.207017][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 9762.207025][ 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 [ 9762.207028][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 9762.207032][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 9762.207035][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 9762.207036][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 9762.207038][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 9762.207041][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 9762.207043][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9762.207046][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9762.207050][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9762.207052][ C2] PKRU: 55555554 [ 9762.207053][ C2] Call Trace: [ 9762.207057][ C2] [ 9762.207058][ C2] ioapic_ack_level+0xcf/0x3d0 [ 9762.207067][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 9762.207074][ C2] __common_interrupt+0xad/0x1d0 [ 9762.207079][ C2] common_interrupt+0xb9/0xe0 [ 9762.207085][ C2] [ 9762.207087][ C2] [ 9762.207088][ C2] asm_common_interrupt+0x26/0x40 [ 9762.207093][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9762.207098][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9762.207101][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9762.207104][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9762.207106][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9762.207107][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9762.207109][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9762.207111][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9762.207115][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 9762.207122][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9762.207129][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9762.207133][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9762.207135][ C2] ? lock_acquire+0x10c/0x170 [ 9762.207139][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9762.207146][ C2] mptcp_try_fallback+0x14b/0x360 [ 9762.207150][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9762.207156][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9762.207159][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9762.207161][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9762.207166][ C2] __mptcp_retrans+0x42a/0x960 [ 9762.207172][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9762.207177][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9762.207184][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9762.207191][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9762.207193][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9762.207196][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9762.207199][ C2] ? lock_acquire+0x10c/0x170 [ 9762.207202][ C2] ? release_sock+0x1f/0x1d0 [ 9762.207208][ C2] release_sock+0x17f/0x1d0 [ 9762.207212][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9762.207219][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9762.207223][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9762.207227][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9762.207233][ C2] ? find_held_lock+0x2b/0x80 [ 9762.207236][ C2] sock_write_iter+0x3c1/0x520 [ 9762.207241][ C2] ? __up_write+0x1ad/0x530 [ 9762.207246][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9762.207252][ C2] ? ksys_write+0xf7/0x1d0 [ 9762.207258][ C2] vfs_write+0xc0c/0x1210 [ 9762.207262][ C2] ? ksys_write+0x137/0x1d0 [ 9762.207264][ C2] ? __lock_release+0x5d/0x170 [ 9762.207268][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9762.207272][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9762.207279][ C2] ksys_write+0x183/0x1d0 [ 9762.207282][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9762.207284][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9762.207291][ C2] do_syscall_64+0xc1/0x380 [ 9762.207294][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9762.207297][ C2] RIP: 0033:0x7f471c970337 [ 9762.207305][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9762.207307][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9762.207310][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9762.207312][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9762.207314][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9762.207317][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9762.207319][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9762.207325][ C2] [ 9788.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7045s! [mptcp_connect:16956] [ 9788.512944][ 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 [ 9788.512959][ C2] irq event stamp: 64230 [ 9788.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9788.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9788.512975][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9788.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9788.512989][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9788.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 9788.512996][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9788.512998][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [ 9788.513005][ 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 [ 9788.513008][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000282 [ 9788.513011][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9788.513014][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9788.513016][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9788.513018][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9788.513019][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9788.513022][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9788.513024][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9788.513028][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9788.513030][ C2] PKRU: 55555554 [ 9788.513031][ C2] Call Trace: [ 9788.513035][ C2] [ 9788.513038][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9788.513044][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9788.513051][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9788.513055][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9788.513058][ C2] ? lock_acquire+0x10c/0x170 [ 9788.513062][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9788.513067][ C2] mptcp_try_fallback+0x14b/0x360 [ 9788.513071][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9788.513078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9788.513081][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9788.513084][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9788.513088][ C2] __mptcp_retrans+0x42a/0x960 [ 9788.513094][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9788.513099][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9788.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9788.513114][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9788.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9788.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9788.513123][ C2] ? lock_acquire+0x10c/0x170 [ 9788.513126][ C2] ? release_sock+0x1f/0x1d0 [ 9788.513132][ C2] release_sock+0x17f/0x1d0 [ 9788.513135][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9788.513143][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9788.513146][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9788.513150][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9788.513156][ C2] ? find_held_lock+0x2b/0x80 [ 9788.513160][ C2] sock_write_iter+0x3c1/0x520 [ 9788.513165][ C2] ? __up_write+0x1ad/0x530 [ 9788.513170][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9788.513177][ C2] ? ksys_write+0xf7/0x1d0 [ 9788.513182][ C2] vfs_write+0xc0c/0x1210 [ 9788.513186][ C2] ? ksys_write+0x137/0x1d0 [ 9788.513188][ C2] ? __lock_release+0x5d/0x170 [ 9788.513192][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9788.513196][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9788.513203][ C2] ksys_write+0x183/0x1d0 [ 9788.513206][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9788.513209][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9788.513216][ C2] do_syscall_64+0xc1/0x380 [ 9788.513220][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9788.513224][ C2] RIP: 0033:0x7f471c970337 [ 9788.513231][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9788.513233][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9788.513236][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9788.513239][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9788.513241][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9788.513243][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9788.513245][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9788.513251][ C2] [ 9816.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7071s! [mptcp_connect:16956] [ 9816.512943][ 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 [ 9816.512959][ C2] irq event stamp: 64230 [ 9816.512961][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9816.512971][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9816.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9816.512981][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9816.512988][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9816.512994][ C2] Tainted: [L]=SOFTLOCKUP [ 9816.512995][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9816.512997][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9816.513002][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9816.513006][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9816.513009][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9816.513011][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9816.513013][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9816.513016][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9816.513018][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9816.513020][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9816.513023][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9816.513026][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9816.513029][ C2] PKRU: 55555554 [ 9816.513030][ C2] Call Trace: [ 9816.513032][ C2] [ 9816.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9816.513044][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9816.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9816.513053][ C2] ? lock_acquire+0x10c/0x170 [ 9816.513057][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9816.513062][ C2] mptcp_try_fallback+0x14b/0x360 [ 9816.513066][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9816.513073][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9816.513075][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9816.513078][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9816.513083][ C2] __mptcp_retrans+0x42a/0x960 [ 9816.513089][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9816.513094][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9816.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9816.513108][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9816.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9816.513114][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9816.513117][ C2] ? lock_acquire+0x10c/0x170 [ 9816.513120][ C2] ? release_sock+0x1f/0x1d0 [ 9816.513126][ C2] release_sock+0x17f/0x1d0 [ 9816.513130][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9816.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9816.513141][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9816.513145][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9816.513151][ C2] ? find_held_lock+0x2b/0x80 [ 9816.513155][ C2] sock_write_iter+0x3c1/0x520 [ 9816.513160][ C2] ? __up_write+0x1ad/0x530 [ 9816.513165][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9816.513171][ C2] ? ksys_write+0xf7/0x1d0 [ 9816.513178][ C2] vfs_write+0xc0c/0x1210 [ 9816.513181][ C2] ? ksys_write+0x137/0x1d0 [ 9816.513184][ C2] ? __lock_release+0x5d/0x170 [ 9816.513188][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9816.513191][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9816.513198][ C2] ksys_write+0x183/0x1d0 [ 9816.513202][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9816.513205][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9816.513211][ C2] do_syscall_64+0xc1/0x380 [ 9816.513215][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9816.513220][ C2] RIP: 0033:0x7f471c970337 [ 9816.513227][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9816.513229][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9816.513232][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9816.513234][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9816.513236][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9816.513238][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9816.513240][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9816.513246][ C2] [ 9816.808319][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9816.808719][ C2] rcu: 2-....: (7586183 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3409095 [ 9816.809358][ C2] rcu: (t=7592291 jiffies g=1286133 q=131833 ncpus=4) [ 9816.809663][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9816.809669][ C2] Tainted: [L]=SOFTLOCKUP [ 9816.809670][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9816.809672][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9816.809678][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9816.809681][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9816.809684][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9816.809686][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9816.809688][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9816.809690][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9816.809692][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9816.809694][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9816.809697][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9816.809701][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9816.809703][ C2] PKRU: 55555554 [ 9816.809704][ C2] Call Trace: [ 9816.809706][ C2] [ 9816.809708][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9816.809715][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9816.809719][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9816.809721][ C2] ? lock_acquire+0x10c/0x170 [ 9816.809725][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9816.809730][ C2] mptcp_try_fallback+0x14b/0x360 [ 9816.809733][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9816.809739][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9816.809742][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9816.809745][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9816.809750][ C2] __mptcp_retrans+0x42a/0x960 [ 9816.809755][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9816.809760][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9816.809765][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9816.809772][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9816.809775][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9816.809778][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9816.809781][ C2] ? lock_acquire+0x10c/0x170 [ 9816.809784][ C2] ? release_sock+0x1f/0x1d0 [ 9816.809789][ C2] release_sock+0x17f/0x1d0 [ 9816.809792][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9816.809799][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9816.809803][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9816.809807][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9816.809811][ C2] ? find_held_lock+0x2b/0x80 [ 9816.809814][ C2] sock_write_iter+0x3c1/0x520 [ 9816.809818][ C2] ? __up_write+0x1ad/0x530 [ 9816.809822][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9816.809828][ C2] ? ksys_write+0xf7/0x1d0 [ 9816.809834][ C2] vfs_write+0xc0c/0x1210 [ 9816.809837][ C2] ? ksys_write+0x137/0x1d0 [ 9816.809839][ C2] ? __lock_release+0x5d/0x170 [ 9816.809843][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9816.809847][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9816.809854][ C2] ksys_write+0x183/0x1d0 [ 9816.809857][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9816.809860][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9816.809866][ C2] do_syscall_64+0xc1/0x380 [ 9816.809869][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9816.809872][ C2] RIP: 0033:0x7f471c970337 [ 9816.809877][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9816.809879][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9816.809882][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9816.809884][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9816.809886][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9816.809888][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9816.809890][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9816.809896][ C2] [ 9844.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7097s! [mptcp_connect:16956] [ 9844.512943][ 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 [ 9844.512958][ C2] irq event stamp: 64230 [ 9844.512960][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9844.512970][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9844.512974][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9844.512980][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9844.512986][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9844.512992][ C2] Tainted: [L]=SOFTLOCKUP [ 9844.512993][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9844.512995][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [ 9844.513002][ C2] Code: c7 c7 40 05 87 a3 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 [ 9844.513005][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000202 [ 9844.513008][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9844.513011][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9844.513013][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9844.513015][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9844.513016][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9844.513019][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9844.513021][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9844.513025][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9844.513027][ C2] PKRU: 55555554 [ 9844.513028][ C2] Call Trace: [ 9844.513030][ C2] [ 9844.513032][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [ 9844.513039][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9844.513046][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9844.513050][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9844.513053][ C2] ? lock_acquire+0x10c/0x170 [ 9844.513057][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9844.513061][ C2] mptcp_try_fallback+0x14b/0x360 [ 9844.513066][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9844.513072][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9844.513075][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9844.513077][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9844.513082][ C2] __mptcp_retrans+0x42a/0x960 [ 9844.513088][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9844.513093][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9844.513100][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9844.513107][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9844.513110][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9844.513113][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9844.513115][ C2] ? lock_acquire+0x10c/0x170 [ 9844.513118][ C2] ? release_sock+0x1f/0x1d0 [ 9844.513124][ C2] release_sock+0x17f/0x1d0 [ 9844.513128][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9844.513135][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9844.513139][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9844.513143][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9844.513149][ C2] ? find_held_lock+0x2b/0x80 [ 9844.513153][ C2] sock_write_iter+0x3c1/0x520 [ 9844.513157][ C2] ? __up_write+0x1ad/0x530 [ 9844.513161][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9844.513168][ C2] ? ksys_write+0xf7/0x1d0 [ 9844.513173][ C2] vfs_write+0xc0c/0x1210 [ 9844.513177][ C2] ? ksys_write+0x137/0x1d0 [ 9844.513180][ C2] ? __lock_release+0x5d/0x170 [ 9844.513183][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9844.513187][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9844.513194][ C2] ksys_write+0x183/0x1d0 [ 9844.513197][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9844.513200][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9844.513207][ C2] do_syscall_64+0xc1/0x380 [ 9844.513211][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9844.513215][ C2] RIP: 0033:0x7f471c970337 [ 9844.513222][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9844.513224][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9844.513227][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9844.513229][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9844.513231][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9844.513233][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9844.513235][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9844.513241][ C2] [ 9860.509481][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7605957 jiffies s: 68525 root: 0x4/. [ 9860.510157][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9860.510359][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9860.510539][ C2] NMI backtrace for cpu 2 [ 9860.510551][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9860.510557][ C2] Tainted: [L]=SOFTLOCKUP [ 9860.510559][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9860.510561][ C2] RIP: 0010:native_apic_msr_eoi+0xf/0x20 [ 9860.510569][ 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 [ 9860.510572][ C2] RSP: 0018:ffffc90000218f30 EFLAGS: 00000046 [ 9860.510576][ C2] RAX: 0000000000000000 RBX: ffff888002a5fc40 RCX: 000000000000080b [ 9860.510579][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888036123bc8 [ 9860.510581][ C2] RBP: ffff88800293e428 R08: 0000000000000001 R09: ffffed1006c24779 [ 9860.510583][ C2] R10: ffff888036123bcf R11: ffffc90000218ff8 R12: 0000000000000020 [ 9860.510585][ C2] R13: 0000000000000000 R14: 0000000000000001 R15: ffff888002a5fc44 [ 9860.510587][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9860.510590][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9860.510594][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9860.510596][ C2] PKRU: 55555554 [ 9860.510597][ C2] Call Trace: [ 9860.510600][ C2] [ 9860.510602][ C2] ioapic_ack_level+0xcf/0x3d0 [ 9860.510610][ C2] handle_fasteoi_irq+0x77b/0xb90 [ 9860.510617][ C2] __common_interrupt+0xad/0x1d0 [ 9860.510624][ C2] common_interrupt+0xb9/0xe0 [ 9860.510629][ C2] [ 9860.510630][ C2] [ 9860.510632][ C2] asm_common_interrupt+0x26/0x40 [ 9860.510636][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9860.510642][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9860.510645][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9860.510647][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9860.510649][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9860.510651][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9860.510653][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9860.510655][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9860.510659][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 9860.510665][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9860.510671][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9860.510676][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9860.510678][ C2] ? lock_acquire+0x10c/0x170 [ 9860.510682][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9860.510689][ C2] mptcp_try_fallback+0x14b/0x360 [ 9860.510694][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9860.510700][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9860.510703][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9860.510705][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9860.510710][ C2] __mptcp_retrans+0x42a/0x960 [ 9860.510716][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9860.510721][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9860.510727][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9860.510734][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9860.510736][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9860.510739][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9860.510742][ C2] ? lock_acquire+0x10c/0x170 [ 9860.510745][ C2] ? release_sock+0x1f/0x1d0 [ 9860.510751][ C2] release_sock+0x17f/0x1d0 [ 9860.510754][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9860.510762][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9860.510765][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9860.510770][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9860.510775][ C2] ? find_held_lock+0x2b/0x80 [ 9860.510779][ C2] sock_write_iter+0x3c1/0x520 [ 9860.510784][ C2] ? __up_write+0x1ad/0x530 [ 9860.510789][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9860.510796][ C2] ? ksys_write+0xf7/0x1d0 [ 9860.510802][ C2] vfs_write+0xc0c/0x1210 [ 9860.510805][ C2] ? ksys_write+0x137/0x1d0 [ 9860.510808][ C2] ? __lock_release+0x5d/0x170 [ 9860.510812][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9860.510816][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9860.510822][ C2] ksys_write+0x183/0x1d0 [ 9860.510826][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9860.510828][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9860.510835][ C2] do_syscall_64+0xc1/0x380 [ 9860.510839][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9860.510842][ C2] RIP: 0033:0x7f471c970337 [ 9860.510850][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9860.510851][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9860.510855][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9860.510856][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9860.510858][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9860.510860][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9860.510862][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9860.510868][ C2] [ 9884.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7134s! [mptcp_connect:16956] [ 9884.512943][ 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 [ 9884.512958][ C2] irq event stamp: 64230 [ 9884.512959][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9884.512969][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9884.512973][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9884.512979][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9884.512986][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9884.512991][ C2] Tainted: [L]=SOFTLOCKUP [ 9884.512992][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9884.512995][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9884.513000][ 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 [ 9884.513004][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9884.513007][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9884.513009][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9884.513011][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9884.513013][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9884.513015][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9884.513017][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9884.513020][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9884.513024][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9884.513026][ C2] PKRU: 55555554 [ 9884.513027][ C2] Call Trace: [ 9884.513030][ C2] [ 9884.513034][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9884.513041][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9884.513046][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9884.513049][ C2] ? lock_acquire+0x10c/0x170 [ 9884.513053][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9884.513057][ C2] mptcp_try_fallback+0x14b/0x360 [ 9884.513061][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9884.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9884.513071][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9884.513073][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9884.513078][ C2] __mptcp_retrans+0x42a/0x960 [ 9884.513084][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9884.513089][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9884.513096][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9884.513103][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9884.513105][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9884.513109][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9884.513111][ C2] ? lock_acquire+0x10c/0x170 [ 9884.513114][ C2] ? release_sock+0x1f/0x1d0 [ 9884.513120][ C2] release_sock+0x17f/0x1d0 [ 9884.513124][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9884.513132][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9884.513135][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9884.513139][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9884.513145][ C2] ? find_held_lock+0x2b/0x80 [ 9884.513149][ C2] sock_write_iter+0x3c1/0x520 [ 9884.513154][ C2] ? __up_write+0x1ad/0x530 [ 9884.513159][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9884.513165][ C2] ? ksys_write+0xf7/0x1d0 [ 9884.513171][ C2] vfs_write+0xc0c/0x1210 [ 9884.513175][ C2] ? ksys_write+0x137/0x1d0 [ 9884.513177][ C2] ? __lock_release+0x5d/0x170 [ 9884.513181][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9884.513185][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9884.513192][ C2] ksys_write+0x183/0x1d0 [ 9884.513195][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9884.513198][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9884.513204][ C2] do_syscall_64+0xc1/0x380 [ 9884.513208][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9884.513212][ C2] RIP: 0033:0x7f471c970337 [ 9884.513219][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9884.513221][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9884.513224][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9884.513226][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9884.513228][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9884.513230][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9884.513232][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9884.513239][ C2] [ 9894.811321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9894.811719][ C2] rcu: 2-....: (7664108 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3445601 [ 9894.812254][ C2] rcu: (t=7670294 jiffies g=1286133 q=133262 ncpus=4) [ 9894.812511][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9894.812517][ C2] Tainted: [L]=SOFTLOCKUP [ 9894.812519][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9894.812521][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9894.812529][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9894.812533][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9894.812536][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9894.812539][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9894.812541][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9894.812543][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9894.812545][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9894.812547][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9894.812550][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9894.812553][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9894.812555][ C2] PKRU: 55555554 [ 9894.812557][ C2] Call Trace: [ 9894.812558][ C2] [ 9894.812560][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9894.812568][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9894.812573][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9894.812576][ C2] ? lock_acquire+0x10c/0x170 [ 9894.812580][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9894.812587][ C2] mptcp_try_fallback+0x14b/0x360 [ 9894.812590][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9894.812596][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9894.812599][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9894.812602][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9894.812607][ C2] __mptcp_retrans+0x42a/0x960 [ 9894.812613][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9894.812618][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9894.812624][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9894.812632][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9894.812634][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9894.812637][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9894.812640][ C2] ? lock_acquire+0x10c/0x170 [ 9894.812643][ C2] ? release_sock+0x1f/0x1d0 [ 9894.812649][ C2] release_sock+0x17f/0x1d0 [ 9894.812653][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9894.812660][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9894.812663][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9894.812667][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9894.812673][ C2] ? find_held_lock+0x2b/0x80 [ 9894.812677][ C2] sock_write_iter+0x3c1/0x520 [ 9894.812681][ C2] ? __up_write+0x1ad/0x530 [ 9894.812686][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9894.812692][ C2] ? ksys_write+0xf7/0x1d0 [ 9894.812698][ C2] vfs_write+0xc0c/0x1210 [ 9894.812701][ C2] ? ksys_write+0x137/0x1d0 [ 9894.812704][ C2] ? __lock_release+0x5d/0x170 [ 9894.812707][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9894.812711][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9894.812718][ C2] ksys_write+0x183/0x1d0 [ 9894.812721][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9894.812724][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9894.812730][ C2] do_syscall_64+0xc1/0x380 [ 9894.812734][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9894.812737][ C2] RIP: 0033:0x7f471c970337 [ 9894.812744][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9894.812745][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9894.812749][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9894.812751][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9894.812753][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9894.812755][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9894.812757][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9894.812763][ C2] [ 9920.512934][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7168s! [mptcp_connect:16956] [ 9920.512944][ 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 [ 9920.512960][ C2] irq event stamp: 64230 [ 9920.512962][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9920.512972][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9920.512976][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9920.512982][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9920.512990][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9920.512995][ C2] Tainted: [L]=SOFTLOCKUP [ 9920.512997][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9920.512999][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9920.513004][ 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 [ 9920.513007][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9920.513010][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9920.513012][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9920.513014][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9920.513016][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9920.513018][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9920.513021][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9920.513023][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9920.513027][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9920.513029][ C2] PKRU: 55555554 [ 9920.513031][ C2] Call Trace: [ 9920.513034][ C2] [ 9920.513038][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9920.513046][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9920.513052][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9920.513054][ C2] ? lock_acquire+0x10c/0x170 [ 9920.513058][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9920.513063][ C2] mptcp_try_fallback+0x14b/0x360 [ 9920.513067][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9920.513074][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9920.513076][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9920.513079][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9920.513084][ C2] __mptcp_retrans+0x42a/0x960 [ 9920.513090][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9920.513095][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9920.513101][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9920.513109][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9920.513111][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9920.513114][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9920.513117][ C2] ? lock_acquire+0x10c/0x170 [ 9920.513120][ C2] ? release_sock+0x1f/0x1d0 [ 9920.513126][ C2] release_sock+0x17f/0x1d0 [ 9920.513130][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9920.513137][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9920.513140][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9920.513144][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9920.513150][ C2] ? find_held_lock+0x2b/0x80 [ 9920.513154][ C2] sock_write_iter+0x3c1/0x520 [ 9920.513159][ C2] ? __up_write+0x1ad/0x530 [ 9920.513164][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9920.513170][ C2] ? ksys_write+0xf7/0x1d0 [ 9920.513177][ C2] vfs_write+0xc0c/0x1210 [ 9920.513180][ C2] ? ksys_write+0x137/0x1d0 [ 9920.513183][ C2] ? __lock_release+0x5d/0x170 [ 9920.513187][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9920.513190][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9920.513198][ C2] ksys_write+0x183/0x1d0 [ 9920.513202][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9920.513204][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9920.513211][ C2] do_syscall_64+0xc1/0x380 [ 9920.513215][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9920.513219][ C2] RIP: 0033:0x7f471c970337 [ 9920.513228][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9920.513229][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9920.513233][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9920.513235][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9920.513237][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9920.513239][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9920.513241][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9920.513246][ C2] HARD STOP (9870.983708) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr