[10100.512906][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7320s! [mptcp_connect:16967] [10100.512918][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10100.512935][ C2] irq event stamp: 66996 [10100.512937][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10100.512949][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10100.512954][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10100.512961][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10100.512969][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10100.512976][ C2] Tainted: [L]=SOFTLOCKUP [10100.512978][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10100.512981][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10100.512986][ 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 [10100.512990][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10100.512993][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10100.512996][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10100.512998][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10100.513000][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10100.513003][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10100.513005][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10100.513008][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10100.513012][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10100.513015][ C2] PKRU: 55555554 [10100.513016][ C2] Call Trace: [10100.513020][ C2] [10100.513024][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10100.513033][ C2] do_raw_spin_lock+0x1e8/0x270 [10100.513039][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10100.513042][ C2] ? lock_acquire+0x10c/0x170 [10100.513048][ C2] ? mptcp_try_fallback+0x14b/0x360 [10100.513052][ C2] mptcp_try_fallback+0x14b/0x360 [10100.513057][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10100.513064][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10100.513067][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10100.513070][ C2] ? __mptcp_retrans+0x34a/0x960 [10100.513075][ C2] __mptcp_retrans+0x42a/0x960 [10100.513081][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10100.513086][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10100.513095][ C2] mptcp_release_cb+0x5eb/0xac0 [10100.513103][ C2] ? do_raw_spin_lock+0x130/0x270 [10100.513105][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10100.513108][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10100.513111][ C2] ? lock_acquire+0x10c/0x170 [10100.513114][ C2] ? release_sock+0x1f/0x1d0 [10100.513121][ C2] release_sock+0x17f/0x1d0 [10100.513125][ C2] mptcp_sendmsg+0xae1/0x18b0 [10100.513133][ C2] ? _raw_spin_unlock+0x2d/0x50 [10100.513136][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10100.513141][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10100.513148][ C2] ? find_held_lock+0x2b/0x80 [10100.513153][ C2] sock_write_iter+0x3c1/0x520 [10100.513159][ C2] ? __up_write+0x1ad/0x530 [10100.513165][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10100.513172][ C2] ? ksys_write+0xf7/0x1d0 [10100.513179][ C2] vfs_write+0xc0c/0x1210 [10100.513184][ C2] ? ksys_write+0x137/0x1d0 [10100.513186][ C2] ? __lock_release+0x5d/0x170 [10100.513190][ C2] ? __pfx_vfs_write+0x10/0x10 [10100.513194][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10100.513202][ C2] ksys_write+0x183/0x1d0 [10100.513206][ C2] ? __pfx_ksys_write+0x10/0x10 [10100.513209][ C2] ? do_user_addr_fault+0x959/0xe00 [10100.513217][ C2] do_syscall_64+0xc1/0x380 [10100.513221][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10100.513226][ C2] RIP: 0033:0x7f492fa5f337 [10100.513235][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10100.513237][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10100.513241][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10100.513244][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10100.513246][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10100.513248][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10100.513250][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10100.513257][ C2] [10128.512908][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7346s! [mptcp_connect:16967] [10128.512921][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10128.512940][ C2] irq event stamp: 66996 [10128.512941][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10128.512956][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10128.512961][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10128.512969][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10128.512978][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10128.512984][ C2] Tainted: [L]=SOFTLOCKUP [10128.512986][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10128.512989][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10128.512995][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10128.512999][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10128.513003][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10128.513005][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10128.513007][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10128.513009][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10128.513012][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10128.513014][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10128.513017][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10128.513021][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10128.513023][ C2] PKRU: 55555554 [10128.513025][ C2] Call Trace: [10128.513030][ C2] [10128.513036][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10128.513044][ C2] do_raw_spin_lock+0x1e8/0x270 [10128.513051][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10128.513053][ C2] ? lock_acquire+0x10c/0x170 [10128.513059][ C2] ? mptcp_try_fallback+0x14b/0x360 [10128.513063][ C2] mptcp_try_fallback+0x14b/0x360 [10128.513068][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10128.513075][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10128.513078][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10128.513081][ C2] ? __mptcp_retrans+0x34a/0x960 [10128.513086][ C2] __mptcp_retrans+0x42a/0x960 [10128.513092][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10128.513097][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10128.513107][ C2] mptcp_release_cb+0x5eb/0xac0 [10128.513114][ C2] ? do_raw_spin_lock+0x130/0x270 [10128.513117][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10128.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10128.513123][ C2] ? lock_acquire+0x10c/0x170 [10128.513126][ C2] ? release_sock+0x1f/0x1d0 [10128.513134][ C2] release_sock+0x17f/0x1d0 [10128.513138][ C2] mptcp_sendmsg+0xae1/0x18b0 [10128.513146][ C2] ? _raw_spin_unlock+0x2d/0x50 [10128.513150][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10128.513154][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10128.513161][ C2] ? find_held_lock+0x2b/0x80 [10128.513165][ C2] sock_write_iter+0x3c1/0x520 [10128.513173][ C2] ? __up_write+0x1ad/0x530 [10128.513179][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10128.513185][ C2] ? ksys_write+0xf7/0x1d0 [10128.513193][ C2] vfs_write+0xc0c/0x1210 [10128.513197][ C2] ? ksys_write+0x137/0x1d0 [10128.513201][ C2] ? __lock_release+0x5d/0x170 [10128.513205][ C2] ? __pfx_vfs_write+0x10/0x10 [10128.513209][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10128.513216][ C2] ksys_write+0x183/0x1d0 [10128.513220][ C2] ? __pfx_ksys_write+0x10/0x10 [10128.513223][ C2] ? do_user_addr_fault+0x959/0xe00 [10128.513231][ C2] do_syscall_64+0xc1/0x380 [10128.513236][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10128.513242][ C2] RIP: 0033:0x7f492fa5f337 [10128.513253][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10128.513254][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10128.513258][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10128.513260][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10128.513262][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10128.513264][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10128.513267][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10128.513273][ C2] [10147.166513][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [10147.176576][ C2] rcu: 2-....: (7897339 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2755478 [10147.244935][ C2] rcu: (t=7904581 jiffies g=1296501 q=137952 ncpus=4) [10147.294951][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10147.294973][ C2] Tainted: [L]=SOFTLOCKUP [10147.294977][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10147.294982][ C2] RIP: 0010:__kasan_check_read+0x0/0x20 [10147.295022][ C2] Code: c7 c7 40 05 a7 a7 5b 5d 41 5c e9 ab 6f 8e ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 4f f0 ff ff 66 66 2e 0f 1f [10147.295029][ C2] RSP: 0018:ffffc9000028f5c8 EFLAGS: 00000202 [10147.295041][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10147.295045][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10147.295049][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10147.295053][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10147.295056][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10147.295061][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10147.295066][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10147.295073][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10147.295076][ C2] PKRU: 55555554 [10147.295079][ C2] Call Trace: [10147.295082][ C2] [10147.295089][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [10147.295105][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10147.295120][ C2] do_raw_spin_lock+0x1e8/0x270 [10147.295135][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10147.295140][ C2] ? lock_acquire+0x10c/0x170 [10147.295151][ C2] ? mptcp_try_fallback+0x14b/0x360 [10147.295165][ C2] mptcp_try_fallback+0x14b/0x360 [10147.295172][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10147.295184][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10147.295189][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10147.295194][ C2] ? __mptcp_retrans+0x34a/0x960 [10147.295204][ C2] __mptcp_retrans+0x42a/0x960 [10147.295215][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10147.295225][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10147.295243][ C2] mptcp_release_cb+0x5eb/0xac0 [10147.295257][ C2] ? do_raw_spin_lock+0x130/0x270 [10147.295262][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10147.295268][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10147.295273][ C2] ? lock_acquire+0x10c/0x170 [10147.295278][ C2] ? release_sock+0x1f/0x1d0 [10147.295292][ C2] release_sock+0x17f/0x1d0 [10147.295298][ C2] mptcp_sendmsg+0xae1/0x18b0 [10147.295312][ C2] ? _raw_spin_unlock+0x2d/0x50 [10147.295318][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10147.295325][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10147.295339][ C2] ? find_held_lock+0x2b/0x80 [10147.295347][ C2] sock_write_iter+0x3c1/0x520 [10147.295357][ C2] ? __up_write+0x1ad/0x530 [10147.295366][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10147.295378][ C2] ? ksys_write+0xf7/0x1d0 [10147.295389][ C2] vfs_write+0xc0c/0x1210 [10147.295395][ C2] ? ksys_write+0x137/0x1d0 [10147.295400][ C2] ? __lock_release+0x5d/0x170 [10147.295406][ C2] ? __pfx_vfs_write+0x10/0x10 [10147.295413][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10147.295428][ C2] ksys_write+0x183/0x1d0 [10147.295434][ C2] ? __pfx_ksys_write+0x10/0x10 [10147.295439][ C2] ? do_user_addr_fault+0x959/0xe00 [10147.295452][ C2] do_syscall_64+0xc1/0x380 [10147.295458][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10147.295473][ C2] RIP: 0033:0x7f492fa5f337 [10147.295508][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10147.295511][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10147.295517][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10147.295522][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10147.295525][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10147.295529][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10147.295533][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10147.295546][ C2] [10171.823523][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7899128 jiffies s: 68497 root: 0x4/. [10171.824026][ T17] rcu: blocking rcu_node structures (internal RCU debug): [10171.824314][ T17] Sending NMI from CPU 1 to CPUs 2: [10171.824552][ C2] NMI backtrace for cpu 2 [10171.824569][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10171.824577][ C2] Tainted: [L]=SOFTLOCKUP [10171.824579][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10171.824582][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10171.824596][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10171.824600][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10171.824604][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10171.824607][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10171.824609][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10171.824612][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10171.824614][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10171.824617][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10171.824619][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10171.824623][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10171.824626][ C2] PKRU: 55555554 [10171.824627][ C2] Call Trace: [10171.824632][ C2] [10171.824638][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10171.824646][ C2] do_raw_spin_lock+0x1e8/0x270 [10171.824653][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10171.824656][ C2] ? lock_acquire+0x10c/0x170 [10171.824661][ C2] ? mptcp_try_fallback+0x14b/0x360 [10171.824670][ C2] mptcp_try_fallback+0x14b/0x360 [10171.824674][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10171.824681][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10171.824684][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10171.824687][ C2] ? __mptcp_retrans+0x34a/0x960 [10171.824692][ C2] __mptcp_retrans+0x42a/0x960 [10171.824699][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10171.824704][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10171.824713][ C2] mptcp_release_cb+0x5eb/0xac0 [10171.824721][ C2] ? do_raw_spin_lock+0x130/0x270 [10171.824724][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10171.824727][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10171.824730][ C2] ? lock_acquire+0x10c/0x170 [10171.824733][ C2] ? release_sock+0x1f/0x1d0 [10171.824740][ C2] release_sock+0x17f/0x1d0 [10171.824744][ C2] mptcp_sendmsg+0xae1/0x18b0 [10171.824753][ C2] ? _raw_spin_unlock+0x2d/0x50 [10171.824757][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10171.824761][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10171.824769][ C2] ? find_held_lock+0x2b/0x80 [10171.824773][ C2] sock_write_iter+0x3c1/0x520 [10171.824780][ C2] ? __up_write+0x1ad/0x530 [10171.824786][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10171.824793][ C2] ? ksys_write+0xf7/0x1d0 [10171.824801][ C2] vfs_write+0xc0c/0x1210 [10171.824806][ C2] ? ksys_write+0x137/0x1d0 [10171.824808][ C2] ? __lock_release+0x5d/0x170 [10171.824812][ C2] ? __pfx_vfs_write+0x10/0x10 [10171.824816][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10171.824824][ C2] ksys_write+0x183/0x1d0 [10171.824828][ C2] ? __pfx_ksys_write+0x10/0x10 [10171.824830][ C2] ? do_user_addr_fault+0x959/0xe00 [10171.824838][ C2] do_syscall_64+0xc1/0x380 [10171.824844][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10171.824849][ C2] RIP: 0033:0x7f492fa5f337 [10171.824861][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10171.824862][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10171.824866][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10171.824868][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10171.824871][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10171.824873][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10171.824875][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10171.824881][ C2] [10196.512951][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7410s! [mptcp_connect:16967] [10196.513025][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10196.513088][ C2] irq event stamp: 66996 [10196.513096][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10196.513165][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10196.513172][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10196.513196][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10196.513249][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10196.513259][ C2] Tainted: [L]=SOFTLOCKUP [10196.513264][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10196.513276][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10196.513296][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10196.513303][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10196.513316][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10196.513321][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10196.513325][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10196.513329][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10196.513333][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10196.513337][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10196.513342][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10196.513349][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10196.513359][ C2] PKRU: 55555554 [10196.513361][ C2] Call Trace: [10196.513372][ C2] [10196.513400][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10196.513414][ C2] do_raw_spin_lock+0x1e8/0x270 [10196.513442][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10196.513447][ C2] ? lock_acquire+0x10c/0x170 [10196.513456][ C2] ? mptcp_try_fallback+0x14b/0x360 [10196.513465][ C2] mptcp_try_fallback+0x14b/0x360 [10196.513477][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10196.513488][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10196.513493][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10196.513498][ C2] ? __mptcp_retrans+0x34a/0x960 [10196.513506][ C2] __mptcp_retrans+0x42a/0x960 [10196.513518][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10196.513526][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10196.513549][ C2] mptcp_release_cb+0x5eb/0xac0 [10196.513565][ C2] ? do_raw_spin_lock+0x130/0x270 [10196.513569][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10196.513574][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10196.513579][ C2] ? lock_acquire+0x10c/0x170 [10196.513584][ C2] ? release_sock+0x1f/0x1d0 [10196.513607][ C2] release_sock+0x17f/0x1d0 [10196.513625][ C2] mptcp_sendmsg+0xae1/0x18b0 [10196.513643][ C2] ? _raw_spin_unlock+0x2d/0x50 [10196.513648][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10196.513654][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10196.513672][ C2] ? find_held_lock+0x2b/0x80 [10196.513679][ C2] sock_write_iter+0x3c1/0x520 [10196.513699][ C2] ? __up_write+0x1ad/0x530 [10196.513706][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10196.513718][ C2] ? ksys_write+0xf7/0x1d0 [10196.513735][ C2] vfs_write+0xc0c/0x1210 [10196.513751][ C2] ? ksys_write+0x137/0x1d0 [10196.513755][ C2] ? __lock_release+0x5d/0x170 [10196.513762][ C2] ? __pfx_vfs_write+0x10/0x10 [10196.513768][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10196.513782][ C2] ksys_write+0x183/0x1d0 [10196.513793][ C2] ? __pfx_ksys_write+0x10/0x10 [10196.513798][ C2] ? do_user_addr_fault+0x959/0xe00 [10196.513814][ C2] do_syscall_64+0xc1/0x380 [10196.513827][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10196.513847][ C2] RIP: 0033:0x7f492fa5f337 [10196.513921][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10196.513925][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10196.513931][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10196.513936][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10196.513942][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10196.513946][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10196.513950][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10196.513962][ C2] [10224.512909][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7436s! [mptcp_connect:16967] [10224.512923][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10224.512942][ C2] irq event stamp: 66996 [10224.512944][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10224.512959][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10224.512964][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10224.512972][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10224.512982][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10224.513001][ C2] Tainted: [L]=SOFTLOCKUP [10224.513003][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10224.513006][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10224.513012][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10224.513016][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10224.513020][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10224.513022][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10224.513025][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10224.513027][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10224.513029][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10224.513031][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10224.513034][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10224.513039][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10224.513041][ C2] PKRU: 55555554 [10224.513042][ C2] Call Trace: [10224.513047][ C2] [10224.513053][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10224.513061][ C2] do_raw_spin_lock+0x1e8/0x270 [10224.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10224.513072][ C2] ? lock_acquire+0x10c/0x170 [10224.513077][ C2] ? mptcp_try_fallback+0x14b/0x360 [10224.513082][ C2] mptcp_try_fallback+0x14b/0x360 [10224.513086][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10224.513093][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10224.513096][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10224.513099][ C2] ? __mptcp_retrans+0x34a/0x960 [10224.513104][ C2] __mptcp_retrans+0x42a/0x960 [10224.513111][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10224.513116][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10224.513126][ C2] mptcp_release_cb+0x5eb/0xac0 [10224.513134][ C2] ? do_raw_spin_lock+0x130/0x270 [10224.513136][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10224.513140][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10224.513142][ C2] ? lock_acquire+0x10c/0x170 [10224.513149][ C2] ? release_sock+0x1f/0x1d0 [10224.513156][ C2] release_sock+0x17f/0x1d0 [10224.513161][ C2] mptcp_sendmsg+0xae1/0x18b0 [10224.513169][ C2] ? _raw_spin_unlock+0x2d/0x50 [10224.513173][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10224.513177][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10224.513184][ C2] ? find_held_lock+0x2b/0x80 [10224.513188][ C2] sock_write_iter+0x3c1/0x520 [10224.513195][ C2] ? __up_write+0x1ad/0x530 [10224.513202][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10224.513209][ C2] ? ksys_write+0xf7/0x1d0 [10224.513217][ C2] vfs_write+0xc0c/0x1210 [10224.513222][ C2] ? ksys_write+0x137/0x1d0 [10224.513227][ C2] ? __lock_release+0x5d/0x170 [10224.513231][ C2] ? __pfx_vfs_write+0x10/0x10 [10224.513235][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10224.513243][ C2] ksys_write+0x183/0x1d0 [10224.513247][ C2] ? __pfx_ksys_write+0x10/0x10 [10224.513249][ C2] ? do_user_addr_fault+0x959/0xe00 [10224.513258][ C2] do_syscall_64+0xc1/0x380 [10224.513263][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10224.513268][ C2] RIP: 0033:0x7f492fa5f337 [10224.513281][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10224.513283][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10224.513286][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10224.513289][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10224.513291][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10224.513293][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10224.513295][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10224.513301][ C2] [10225.298482][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [10225.298852][ C2] rcu: 2-....: (7973499 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2784115 [10225.299425][ C2] rcu: (t=7982635 jiffies g=1296501 q=139300 ncpus=4) [10225.299695][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10225.299702][ C2] Tainted: [L]=SOFTLOCKUP [10225.299704][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10225.299707][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10225.299722][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10225.299726][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10225.299730][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10225.299733][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10225.299736][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10225.299738][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10225.299740][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10225.299742][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10225.299745][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10225.299749][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10225.299756][ C2] PKRU: 55555554 [10225.299758][ C2] Call Trace: [10225.299759][ C2] [10225.299762][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10225.299770][ C2] do_raw_spin_lock+0x1e8/0x270 [10225.299776][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10225.299780][ C2] ? lock_acquire+0x10c/0x170 [10225.299785][ C2] ? mptcp_try_fallback+0x14b/0x360 [10225.299793][ C2] mptcp_try_fallback+0x14b/0x360 [10225.299799][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10225.299805][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10225.299808][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10225.299812][ C2] ? __mptcp_retrans+0x34a/0x960 [10225.299817][ C2] __mptcp_retrans+0x42a/0x960 [10225.299823][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10225.299829][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10225.299838][ C2] mptcp_release_cb+0x5eb/0xac0 [10225.299846][ C2] ? do_raw_spin_lock+0x130/0x270 [10225.299848][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10225.299852][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10225.299855][ C2] ? lock_acquire+0x10c/0x170 [10225.299857][ C2] ? release_sock+0x1f/0x1d0 [10225.299865][ C2] release_sock+0x17f/0x1d0 [10225.299869][ C2] mptcp_sendmsg+0xae1/0x18b0 [10225.299877][ C2] ? _raw_spin_unlock+0x2d/0x50 [10225.299881][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10225.299885][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10225.299892][ C2] ? find_held_lock+0x2b/0x80 [10225.299896][ C2] sock_write_iter+0x3c1/0x520 [10225.299902][ C2] ? __up_write+0x1ad/0x530 [10225.299908][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10225.299915][ C2] ? ksys_write+0xf7/0x1d0 [10225.299923][ C2] vfs_write+0xc0c/0x1210 [10225.299927][ C2] ? ksys_write+0x137/0x1d0 [10225.299929][ C2] ? __lock_release+0x5d/0x170 [10225.299934][ C2] ? __pfx_vfs_write+0x10/0x10 [10225.299938][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10225.299946][ C2] ksys_write+0x183/0x1d0 [10225.299949][ C2] ? __pfx_ksys_write+0x10/0x10 [10225.299952][ C2] ? do_user_addr_fault+0x959/0xe00 [10225.299962][ C2] do_syscall_64+0xc1/0x380 [10225.299967][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10225.299971][ C2] RIP: 0033:0x7f492fa5f337 [10225.299983][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10225.299985][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10225.299988][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10225.299991][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10225.299994][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10225.299996][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10225.299998][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10225.300004][ C2] [10252.512911][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7462s! [mptcp_connect:16967] [10252.512929][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10252.512959][ C2] irq event stamp: 66996 [10252.512962][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10252.512980][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10252.512988][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10252.512998][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10252.513012][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10252.513022][ C2] Tainted: [L]=SOFTLOCKUP [10252.513025][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10252.513030][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10252.513038][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10252.513044][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10252.513050][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10252.513053][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10252.513057][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10252.513060][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10252.513064][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10252.513068][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10252.513073][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10252.513082][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10252.513085][ C2] PKRU: 55555554 [10252.513087][ C2] Call Trace: [10252.513095][ C2] [10252.513103][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10252.513118][ C2] do_raw_spin_lock+0x1e8/0x270 [10252.513128][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10252.513133][ C2] ? lock_acquire+0x10c/0x170 [10252.513141][ C2] ? mptcp_try_fallback+0x14b/0x360 [10252.513150][ C2] mptcp_try_fallback+0x14b/0x360 [10252.513158][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10252.513169][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10252.513175][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10252.513180][ C2] ? __mptcp_retrans+0x34a/0x960 [10252.513201][ C2] __mptcp_retrans+0x42a/0x960 [10252.513212][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10252.513222][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10252.513235][ C2] mptcp_release_cb+0x5eb/0xac0 [10252.513247][ C2] ? do_raw_spin_lock+0x130/0x270 [10252.513253][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10252.513259][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10252.513263][ C2] ? lock_acquire+0x10c/0x170 [10252.513269][ C2] ? release_sock+0x1f/0x1d0 [10252.513280][ C2] release_sock+0x17f/0x1d0 [10252.513286][ C2] mptcp_sendmsg+0xae1/0x18b0 [10252.513299][ C2] ? _raw_spin_unlock+0x2d/0x50 [10252.513305][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10252.513312][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10252.513323][ C2] ? find_held_lock+0x2b/0x80 [10252.513331][ C2] sock_write_iter+0x3c1/0x520 [10252.513340][ C2] ? __up_write+0x1ad/0x530 [10252.513348][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10252.513359][ C2] ? ksys_write+0xf7/0x1d0 [10252.513372][ C2] vfs_write+0xc0c/0x1210 [10252.513379][ C2] ? ksys_write+0x137/0x1d0 [10252.513383][ C2] ? __lock_release+0x5d/0x170 [10252.513390][ C2] ? __pfx_vfs_write+0x10/0x10 [10252.513402][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10252.513417][ C2] ksys_write+0x183/0x1d0 [10252.513422][ C2] ? __pfx_ksys_write+0x10/0x10 [10252.513427][ C2] ? do_user_addr_fault+0x959/0xe00 [10252.513440][ C2] do_syscall_64+0xc1/0x380 [10252.513448][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10252.513457][ C2] RIP: 0033:0x7f492fa5f337 [10252.513473][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10252.513477][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10252.513483][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10252.513487][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10252.513491][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10252.513494][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10252.513497][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10252.513508][ C2] [10270.128525][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7997433 jiffies s: 68497 root: 0x4/. [10270.129253][ T17] rcu: blocking rcu_node structures (internal RCU debug): [10270.129517][ T17] Sending NMI from CPU 1 to CPUs 2: [10270.129773][ C2] NMI backtrace for cpu 2 [10270.129786][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10270.129794][ C2] Tainted: [L]=SOFTLOCKUP [10270.129803][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10270.129806][ C2] RIP: 0010:vm_interrupt+0x54/0x160 [10270.129824][ 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 [10270.129829][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [10270.129833][ C2] RAX: ffffc9000002ec00 RBX: ffff88800626b800 RCX: ffffffffa4623c21 [10270.129835][ C2] RDX: 1ffff11000c4d7a5 RSI: ffff88800626b800 RDI: ffff88800626bd28 [10270.129838][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff514a2fa [10270.129840][ C2] R10: ffffffffa8a517d7 R11: ffffc90000218ff8 R12: ffff888002126400 [10270.129843][ C2] R13: 0000000000000001 R14: ffffffffa56624b0 R15: ffff888006230b00 [10270.129845][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10270.129848][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10270.129852][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10270.129854][ C2] PKRU: 55555554 [10270.129856][ C2] Call Trace: [10270.129865][ C2] [10270.129868][ C2] ? rcu_is_watching+0x12/0xc0 [10270.129881][ C2] ? __pfx_vm_interrupt+0x10/0x10 [10270.129885][ C2] __handle_irq_event_percpu+0x190/0x310 [10270.129898][ C2] handle_irq_event+0xaa/0x1c0 [10270.129902][ C2] handle_fasteoi_irq+0x1dd/0xb90 [10270.129913][ C2] __common_interrupt+0xad/0x1d0 [10270.129930][ C2] common_interrupt+0xb9/0xe0 [10270.129938][ C2] [10270.129939][ C2] [10270.129941][ C2] asm_common_interrupt+0x26/0x40 [10270.129948][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10270.129956][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10270.129959][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10270.129962][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10270.129964][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10270.129966][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10270.129968][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10270.129970][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10270.129974][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [10270.129988][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10270.129995][ C2] do_raw_spin_lock+0x1e8/0x270 [10270.130001][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10270.130003][ C2] ? lock_acquire+0x10c/0x170 [10270.130008][ C2] ? mptcp_try_fallback+0x14b/0x360 [10270.130017][ C2] mptcp_try_fallback+0x14b/0x360 [10270.130021][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10270.130028][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10270.130032][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10270.130035][ C2] ? __mptcp_retrans+0x34a/0x960 [10270.130040][ C2] __mptcp_retrans+0x42a/0x960 [10270.130049][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10270.130054][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10270.130064][ C2] mptcp_release_cb+0x5eb/0xac0 [10270.130072][ C2] ? do_raw_spin_lock+0x130/0x270 [10270.130075][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10270.130078][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10270.130083][ C2] ? lock_acquire+0x10c/0x170 [10270.130086][ C2] ? release_sock+0x1f/0x1d0 [10270.130093][ C2] release_sock+0x17f/0x1d0 [10270.130098][ C2] mptcp_sendmsg+0xae1/0x18b0 [10270.130106][ C2] ? _raw_spin_unlock+0x2d/0x50 [10270.130110][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10270.130114][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10270.130121][ C2] ? find_held_lock+0x2b/0x80 [10270.130126][ C2] sock_write_iter+0x3c1/0x520 [10270.130132][ C2] ? __up_write+0x1ad/0x530 [10270.130138][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10270.130145][ C2] ? ksys_write+0xf7/0x1d0 [10270.130154][ C2] vfs_write+0xc0c/0x1210 [10270.130158][ C2] ? ksys_write+0x137/0x1d0 [10270.130160][ C2] ? __lock_release+0x5d/0x170 [10270.130164][ C2] ? __pfx_vfs_write+0x10/0x10 [10270.130169][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10270.130176][ C2] ksys_write+0x183/0x1d0 [10270.130180][ C2] ? __pfx_ksys_write+0x10/0x10 [10270.130183][ C2] ? do_user_addr_fault+0x959/0xe00 [10270.130191][ C2] do_syscall_64+0xc1/0x380 [10270.130195][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10270.130199][ C2] RIP: 0033:0x7f492fa5f337 [10270.130211][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10270.130213][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10270.130217][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10270.130219][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10270.130221][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10270.130223][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10270.130225][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10270.130231][ C2] [10296.512909][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7503s! [mptcp_connect:16967] [10296.512923][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10296.512941][ C2] irq event stamp: 66996 [10296.512943][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10296.512957][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10296.512962][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10296.512970][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10296.512980][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10296.512986][ C2] Tainted: [L]=SOFTLOCKUP [10296.512988][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10296.512991][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10296.512997][ 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 [10296.513001][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10296.513004][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10296.513007][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10296.513009][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10296.513011][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10296.513013][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10296.513016][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10296.513019][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10296.513023][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10296.513026][ C2] PKRU: 55555554 [10296.513038][ C2] Call Trace: [10296.513043][ C2] [10296.513048][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10296.513057][ C2] do_raw_spin_lock+0x1e8/0x270 [10296.513064][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10296.513067][ C2] ? lock_acquire+0x10c/0x170 [10296.513072][ C2] ? mptcp_try_fallback+0x14b/0x360 [10296.513077][ C2] mptcp_try_fallback+0x14b/0x360 [10296.513082][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10296.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10296.513094][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10296.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [10296.513103][ C2] __mptcp_retrans+0x42a/0x960 [10296.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10296.513114][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10296.513123][ C2] mptcp_release_cb+0x5eb/0xac0 [10296.513131][ C2] ? do_raw_spin_lock+0x130/0x270 [10296.513134][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10296.513137][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10296.513140][ C2] ? lock_acquire+0x10c/0x170 [10296.513143][ C2] ? release_sock+0x1f/0x1d0 [10296.513151][ C2] release_sock+0x17f/0x1d0 [10296.513155][ C2] mptcp_sendmsg+0xae1/0x18b0 [10296.513163][ C2] ? _raw_spin_unlock+0x2d/0x50 [10296.513167][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10296.513171][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10296.513178][ C2] ? find_held_lock+0x2b/0x80 [10296.513182][ C2] sock_write_iter+0x3c1/0x520 [10296.513189][ C2] ? __up_write+0x1ad/0x530 [10296.513195][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10296.513204][ C2] ? ksys_write+0xf7/0x1d0 [10296.513213][ C2] vfs_write+0xc0c/0x1210 [10296.513217][ C2] ? ksys_write+0x137/0x1d0 [10296.513220][ C2] ? __lock_release+0x5d/0x170 [10296.513224][ C2] ? __pfx_vfs_write+0x10/0x10 [10296.513228][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10296.513236][ C2] ksys_write+0x183/0x1d0 [10296.513240][ C2] ? __pfx_ksys_write+0x10/0x10 [10296.513242][ C2] ? do_user_addr_fault+0x959/0xe00 [10296.513251][ C2] do_syscall_64+0xc1/0x380 [10296.513256][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10296.513261][ C2] RIP: 0033:0x7f492fa5f337 [10296.513273][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10296.513275][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10296.513278][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10296.513281][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10296.513283][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10296.513285][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10296.513287][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10296.513293][ C2] [10303.303486][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [10303.304387][ C2] rcu: 2-....: (8048242 ticks this GP) idle=ac14/1/0x4000000000000000 softirq=680666/680666 fqs=2808192 [10303.305325][ C2] rcu: (t=8060641 jiffies g=1296501 q=140741 ncpus=4) [10303.306161][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10303.306174][ C2] Tainted: [L]=SOFTLOCKUP [10303.306178][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10303.306182][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10303.306202][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10303.306208][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10303.306216][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10303.306219][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10303.306223][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10303.306227][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10303.306231][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10303.306235][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10303.306240][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10303.306248][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10303.306252][ C2] PKRU: 55555554 [10303.306254][ C2] Call Trace: [10303.306257][ C2] [10303.306263][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10303.306277][ C2] do_raw_spin_lock+0x1e8/0x270 [10303.306287][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10303.306292][ C2] ? lock_acquire+0x10c/0x170 [10303.306300][ C2] ? mptcp_try_fallback+0x14b/0x360 [10303.306314][ C2] mptcp_try_fallback+0x14b/0x360 [10303.306321][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10303.306333][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10303.306339][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10303.306344][ C2] ? __mptcp_retrans+0x34a/0x960 [10303.306354][ C2] __mptcp_retrans+0x42a/0x960 [10303.306365][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10303.306382][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10303.306395][ C2] mptcp_release_cb+0x5eb/0xac0 [10303.306408][ C2] ? do_raw_spin_lock+0x130/0x270 [10303.306413][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10303.306419][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10303.306423][ C2] ? lock_acquire+0x10c/0x170 [10303.306428][ C2] ? release_sock+0x1f/0x1d0 [10303.306441][ C2] release_sock+0x17f/0x1d0 [10303.306447][ C2] mptcp_sendmsg+0xae1/0x18b0 [10303.306462][ C2] ? _raw_spin_unlock+0x2d/0x50 [10303.306468][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10303.306475][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10303.306487][ C2] ? find_held_lock+0x2b/0x80 [10303.306496][ C2] sock_write_iter+0x3c1/0x520 [10303.306506][ C2] ? __up_write+0x1ad/0x530 [10303.306514][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10303.306526][ C2] ? ksys_write+0xf7/0x1d0 [10303.306536][ C2] vfs_write+0xc0c/0x1210 [10303.306542][ C2] ? ksys_write+0x137/0x1d0 [10303.306545][ C2] ? __lock_release+0x5d/0x170 [10303.306550][ C2] ? __pfx_vfs_write+0x10/0x10 [10303.306555][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10303.306566][ C2] ksys_write+0x183/0x1d0 [10303.306570][ C2] ? __pfx_ksys_write+0x10/0x10 [10303.306573][ C2] ? do_user_addr_fault+0x959/0xe00 [10303.306587][ C2] do_syscall_64+0xc1/0x380 [10303.306594][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10303.306601][ C2] RIP: 0033:0x7f492fa5f337 [10303.306619][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10303.306622][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10303.306628][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10303.306632][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10303.306635][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10303.306639][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10303.306643][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10303.306654][ C2] [10328.512910][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7533s! [mptcp_connect:16967] [10328.512926][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10328.512956][ C2] irq event stamp: 66996 [10328.512959][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10328.512978][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10328.512985][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10328.512997][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10328.513012][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10328.513021][ C2] Tainted: [L]=SOFTLOCKUP [10328.513024][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10328.513029][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10328.513037][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10328.513043][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10328.513049][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10328.513053][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10328.513057][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10328.513060][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10328.513064][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10328.513068][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10328.513073][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10328.513081][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10328.513085][ C2] PKRU: 55555554 [10328.513087][ C2] Call Trace: [10328.513093][ C2] [10328.513101][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10328.513115][ C2] do_raw_spin_lock+0x1e8/0x270 [10328.513125][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10328.513131][ C2] ? lock_acquire+0x10c/0x170 [10328.513138][ C2] ? mptcp_try_fallback+0x14b/0x360 [10328.513148][ C2] mptcp_try_fallback+0x14b/0x360 [10328.513156][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10328.513178][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10328.513192][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10328.513196][ C2] ? __mptcp_retrans+0x34a/0x960 [10328.513202][ C2] __mptcp_retrans+0x42a/0x960 [10328.513211][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10328.513218][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10328.513229][ C2] mptcp_release_cb+0x5eb/0xac0 [10328.513240][ C2] ? do_raw_spin_lock+0x130/0x270 [10328.513244][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10328.513248][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10328.513252][ C2] ? lock_acquire+0x10c/0x170 [10328.513256][ C2] ? release_sock+0x1f/0x1d0 [10328.513268][ C2] release_sock+0x17f/0x1d0 [10328.513275][ C2] mptcp_sendmsg+0xae1/0x18b0 [10328.513288][ C2] ? _raw_spin_unlock+0x2d/0x50 [10328.513294][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10328.513300][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10328.513309][ C2] ? find_held_lock+0x2b/0x80 [10328.513316][ C2] sock_write_iter+0x3c1/0x520 [10328.513326][ C2] ? __up_write+0x1ad/0x530 [10328.513333][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10328.513344][ C2] ? ksys_write+0xf7/0x1d0 [10328.513355][ C2] vfs_write+0xc0c/0x1210 [10328.513362][ C2] ? ksys_write+0x137/0x1d0 [10328.513366][ C2] ? __lock_release+0x5d/0x170 [10328.513372][ C2] ? __pfx_vfs_write+0x10/0x10 [10328.513379][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10328.513391][ C2] ksys_write+0x183/0x1d0 [10328.513397][ C2] ? __pfx_ksys_write+0x10/0x10 [10328.513401][ C2] ? do_user_addr_fault+0x959/0xe00 [10328.513415][ C2] do_syscall_64+0xc1/0x380 [10328.513423][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10328.513431][ C2] RIP: 0033:0x7f492fa5f337 [10328.513445][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10328.513448][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10328.513454][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10328.513458][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10328.513463][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10328.513466][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10328.513470][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10328.513482][ C2] [10356.512911][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7559s! [mptcp_connect:16967] [10356.512926][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10356.513220][ C2] irq event stamp: 66996 [10356.513224][ C2] hardirqs last enabled at (66996): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10356.513240][ C2] hardirqs last disabled at (66995): [] _raw_spin_lock_irqsave+0x5b/0x60 [10356.513260][ C2] softirqs last enabled at (66948): [] __mptcp_retrans+0x2c4/0x960 [10356.513269][ C2] softirqs last disabled at (66950): [] __mptcp_retrans+0x34a/0x960 [10356.513282][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10356.513291][ C2] Tainted: [L]=SOFTLOCKUP [10356.513293][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10356.513297][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10356.513306][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10356.513312][ C2] RSP: 0018:ffffc9000028f5d0 EFLAGS: 00000202 [10356.513318][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa6ed0f13 [10356.513322][ C2] RDX: ffffed10017f0d67 RSI: 0000000000000004 RDI: ffff88800bf86b30 [10356.513325][ C2] RBP: ffff88800bf86b30 R08: 0000000000000000 R09: ffffed10017f0d66 [10356.513328][ C2] R10: ffff88800bf86b33 R11: 0000000000000004 R12: 1ffff92000051ebc [10356.513332][ C2] R13: 0000000000000003 R14: ffffed10017f0d66 R15: ffffc9000028f610 [10356.513336][ C2] FS: 00007f492f95e740(0000) GS:ffff88808c73e000(0000) knlGS:0000000000000000 [10356.513341][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10356.513348][ C2] CR2: 00007f492fa5f30d CR3: 000000000fd0b002 CR4: 0000000000772ef0 [10356.513351][ C2] PKRU: 55555554 [10356.513354][ C2] Call Trace: [10356.513360][ C2] [10356.513368][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10356.513383][ C2] do_raw_spin_lock+0x1e8/0x270 [10356.513392][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10356.513396][ C2] ? lock_acquire+0x10c/0x170 [10356.513403][ C2] ? mptcp_try_fallback+0x14b/0x360 [10356.513419][ C2] mptcp_try_fallback+0x14b/0x360 [10356.513427][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10356.513438][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10356.513444][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10356.513449][ C2] ? __mptcp_retrans+0x34a/0x960 [10356.513458][ C2] __mptcp_retrans+0x42a/0x960 [10356.513469][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10356.513477][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10356.513490][ C2] mptcp_release_cb+0x5eb/0xac0 [10356.513504][ C2] ? do_raw_spin_lock+0x130/0x270 [10356.513509][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10356.513514][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10356.513519][ C2] ? lock_acquire+0x10c/0x170 [10356.513527][ C2] ? release_sock+0x1f/0x1d0 [10356.513538][ C2] release_sock+0x17f/0x1d0 [10356.513545][ C2] mptcp_sendmsg+0xae1/0x18b0 [10356.513561][ C2] ? _raw_spin_unlock+0x2d/0x50 [10356.513567][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10356.513574][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10356.513584][ C2] ? find_held_lock+0x2b/0x80 [10356.513590][ C2] sock_write_iter+0x3c1/0x520 [10356.513597][ C2] ? __up_write+0x1ad/0x530 [10356.513605][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10356.513616][ C2] ? ksys_write+0xf7/0x1d0 [10356.513627][ C2] vfs_write+0xc0c/0x1210 [10356.513634][ C2] ? ksys_write+0x137/0x1d0 [10356.513639][ C2] ? __lock_release+0x5d/0x170 [10356.513646][ C2] ? __pfx_vfs_write+0x10/0x10 [10356.513653][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10356.513667][ C2] ksys_write+0x183/0x1d0 [10356.513674][ C2] ? __pfx_ksys_write+0x10/0x10 [10356.513678][ C2] ? do_user_addr_fault+0x959/0xe00 [10356.513691][ C2] do_syscall_64+0xc1/0x380 [10356.513698][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10356.513706][ C2] RIP: 0033:0x7f492fa5f337 [10356.513719][ C2] Code: Unable to access opcode bytes at 0x7f492fa5f30d. [10356.513723][ C2] RSP: 002b:00007fff6e7bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10356.513729][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f492fa5f337 [10356.513733][ C2] RDX: 0000000000001f9c RSI: 00007fff6e7c18d4 RDI: 0000000000000005 [10356.513737][ C2] RBP: 0000000000001f9c R08: 00007f492fb5a21c R09: 00007f492fb5a280 [10356.513741][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6e7c1870 [10356.513745][ C2] R13: 00007fff6e7c18d4 R14: 0000000000000064 R15: 0000000000000064 [10356.513758][ C2] [10368.432503][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 8095737 jiffies s: 68497 root: 0x4/. [10368.433153][ T17] rcu: blocking rcu_node structures (internal RCU debug): [10368.433359][ T17] Sending NMI from CPU 1 to CPUs 2: [10368.433675][ C2] NMI backtrace for cpu 2 [10368.433690][ C2] CPU: 2 UID: 0 PID: 16967 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) /01/2011