[ 9948.512935][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7194s! [mptcp_connect:16956] [ 9948.512948][ 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 [ 9948.512967][ C2] irq event stamp: 64230 [ 9948.512969][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 9948.512981][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 9948.512986][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [ 9948.512994][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [ 9948.513002][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9948.513008][ C2] Tainted: [L]=SOFTLOCKUP [ 9948.513010][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9948.513013][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9948.513018][ 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 [ 9948.513022][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9948.513025][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9948.513028][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9948.513030][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9948.513032][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9948.513034][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9948.513036][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9948.513039][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9948.513043][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9948.513045][ C2] PKRU: 55555554 [ 9948.513047][ C2] Call Trace: [ 9948.513050][ C2] [ 9948.513055][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9948.513062][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9948.513069][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9948.513072][ C2] ? lock_acquire+0x10c/0x170 [ 9948.513076][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9948.513081][ C2] mptcp_try_fallback+0x14b/0x360 [ 9948.513086][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9948.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9948.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9948.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9948.513103][ C2] __mptcp_retrans+0x42a/0x960 [ 9948.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9948.513115][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9948.513125][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9948.513132][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9948.513135][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9948.513139][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9948.513141][ C2] ? lock_acquire+0x10c/0x170 [ 9948.513145][ C2] ? release_sock+0x1f/0x1d0 [ 9948.513152][ C2] release_sock+0x17f/0x1d0 [ 9948.513156][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9948.513164][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9948.513168][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9948.513172][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9948.513179][ C2] ? find_held_lock+0x2b/0x80 [ 9948.513183][ C2] sock_write_iter+0x3c1/0x520 [ 9948.513190][ C2] ? __up_write+0x1ad/0x530 [ 9948.513196][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9948.513203][ C2] ? ksys_write+0xf7/0x1d0 [ 9948.513211][ C2] vfs_write+0xc0c/0x1210 [ 9948.513215][ C2] ? ksys_write+0x137/0x1d0 [ 9948.513217][ C2] ? __lock_release+0x5d/0x170 [ 9948.513221][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9948.513225][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9948.513233][ C2] ksys_write+0x183/0x1d0 [ 9948.513236][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9948.513239][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9948.513247][ C2] do_syscall_64+0xc1/0x380 [ 9948.513252][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9948.513257][ C2] RIP: 0033:0x7f471c970337 [ 9948.513268][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9948.513270][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9948.513273][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9948.513275][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9948.513278][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9948.513280][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9948.513282][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9948.513288][ C2] [ 9958.814333][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7704262 jiffies s: 68525 root: 0x4/. [ 9958.814811][ T17] rcu: blocking rcu_node structures (internal RCU debug): [ 9958.815084][ T17] Sending NMI from CPU 0 to CPUs 2: [ 9958.815252][ C2] NMI backtrace for cpu 2 [ 9958.815258][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9958.815263][ C2] Tainted: [L]=SOFTLOCKUP [ 9958.815265][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9958.815267][ C2] RIP: 0010:vm_interrupt+0x54/0x160 [ 9958.815276][ 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 [ 9958.815280][ C2] RSP: 0018:ffffc90000218ec0 EFLAGS: 00000046 [ 9958.815283][ C2] RAX: ffffc9000002ec00 RBX: ffff88800625b800 RCX: ffffffffa0423c21 [ 9958.815286][ C2] RDX: 1ffff11000c4b7a5 RSI: ffff88800625b800 RDI: ffff88800625bd28 [ 9958.815288][ C2] RBP: 0000000000000032 R08: 0000000000000000 R09: fffffbfff490a2fa [ 9958.815290][ C2] R10: ffffffffa48517d7 R11: ffffc90000218ff8 R12: ffff88800293e400 [ 9958.815292][ C2] R13: 0000000000000001 R14: ffffffffa14624b0 R15: ffff8880062eab00 [ 9958.815294][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9958.815297][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9958.815301][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9958.815303][ C2] PKRU: 55555554 [ 9958.815305][ C2] Call Trace: [ 9958.815307][ C2] [ 9958.815309][ C2] ? rcu_is_watching+0x12/0xc0 [ 9958.815319][ C2] ? __pfx_vm_interrupt+0x10/0x10 [ 9958.815322][ C2] __handle_irq_event_percpu+0x190/0x310 [ 9958.815330][ C2] handle_irq_event+0xaa/0x1c0 [ 9958.815334][ C2] handle_fasteoi_irq+0x1dd/0xb90 [ 9958.815340][ C2] __common_interrupt+0xad/0x1d0 [ 9958.815347][ C2] common_interrupt+0xb9/0xe0 [ 9958.815352][ C2] [ 9958.815354][ C2] [ 9958.815356][ C2] asm_common_interrupt+0x26/0x40 [ 9958.815360][ C2] RIP: 0010:queued_spin_lock_slowpath+0xc7/0x9c0 [ 9958.815365][ 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 [ 9958.815367][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000246 [ 9958.815370][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9958.815372][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9958.815374][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9958.815376][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9958.815378][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9958.815382][ C2] ? queued_spin_lock_slowpath+0xb3/0x9c0 [ 9958.815388][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9958.815395][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9958.815398][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9958.815401][ C2] ? lock_acquire+0x10c/0x170 [ 9958.815405][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9958.815410][ C2] mptcp_try_fallback+0x14b/0x360 [ 9958.815413][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9958.815419][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9958.815422][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9958.815425][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9958.815429][ C2] __mptcp_retrans+0x42a/0x960 [ 9958.815435][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9958.815440][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9958.815446][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9958.815453][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9958.815456][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9958.815459][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9958.815462][ C2] ? lock_acquire+0x10c/0x170 [ 9958.815465][ C2] ? release_sock+0x1f/0x1d0 [ 9958.815471][ C2] release_sock+0x17f/0x1d0 [ 9958.815474][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9958.815481][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9958.815485][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9958.815489][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9958.815494][ C2] ? find_held_lock+0x2b/0x80 [ 9958.815497][ C2] sock_write_iter+0x3c1/0x520 [ 9958.815502][ C2] ? __up_write+0x1ad/0x530 [ 9958.815506][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9958.815512][ C2] ? ksys_write+0xf7/0x1d0 [ 9958.815518][ C2] vfs_write+0xc0c/0x1210 [ 9958.815521][ C2] ? ksys_write+0x137/0x1d0 [ 9958.815524][ C2] ? __lock_release+0x5d/0x170 [ 9958.815528][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9958.815532][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9958.815539][ C2] ksys_write+0x183/0x1d0 [ 9958.815542][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9958.815545][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9958.815551][ C2] do_syscall_64+0xc1/0x380 [ 9958.815554][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9958.815557][ C2] RIP: 0033:0x7f471c970337 [ 9958.815562][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9958.815564][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9958.815567][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9958.815569][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9958.815572][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9958.815574][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9958.815576][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9958.815582][ C2] [ 9972.814321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 9972.814693][ C2] rcu: 2-....: (7742035 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3482457 [ 9972.815233][ C2] rcu: (t=7748297 jiffies g=1286133 q=136773 ncpus=4) [ 9972.815481][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [ 9972.815486][ C2] Tainted: [L]=SOFTLOCKUP [ 9972.815488][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9972.815490][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [ 9972.815496][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [ 9972.815499][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [ 9972.815503][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [ 9972.815505][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [ 9972.815507][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [ 9972.815509][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [ 9972.815511][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [ 9972.815513][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [ 9972.815516][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9972.815520][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [ 9972.815522][ C2] PKRU: 55555554 [ 9972.815523][ C2] Call Trace: [ 9972.815525][ C2] [ 9972.815527][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 9972.815534][ C2] do_raw_spin_lock+0x1e8/0x270 [ 9972.815538][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9972.815541][ C2] ? lock_acquire+0x10c/0x170 [ 9972.815545][ C2] ? mptcp_try_fallback+0x14b/0x360 [ 9972.815550][ C2] mptcp_try_fallback+0x14b/0x360 [ 9972.815554][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [ 9972.815560][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9972.815562][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [ 9972.815565][ C2] ? __mptcp_retrans+0x34a/0x960 [ 9972.815570][ C2] __mptcp_retrans+0x42a/0x960 [ 9972.815576][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [ 9972.815581][ C2] ? __local_bh_enable_ip+0xa9/0x130 [ 9972.815586][ C2] mptcp_release_cb+0x5eb/0xac0 [ 9972.815593][ C2] ? do_raw_spin_lock+0x130/0x270 [ 9972.815595][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [ 9972.815598][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9972.815601][ C2] ? lock_acquire+0x10c/0x170 [ 9972.815604][ C2] ? release_sock+0x1f/0x1d0 [ 9972.815609][ C2] release_sock+0x17f/0x1d0 [ 9972.815613][ C2] mptcp_sendmsg+0xae1/0x18b0 [ 9972.815620][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 9972.815624][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [ 9972.815628][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [ 9972.815633][ C2] ? find_held_lock+0x2b/0x80 [ 9972.815637][ C2] sock_write_iter+0x3c1/0x520 [ 9972.815640][ C2] ? __up_write+0x1ad/0x530 [ 9972.815644][ C2] ? __pfx_sock_write_iter+0x10/0x10 [ 9972.815651][ C2] ? ksys_write+0xf7/0x1d0 [ 9972.815656][ C2] vfs_write+0xc0c/0x1210 [ 9972.815659][ C2] ? ksys_write+0x137/0x1d0 [ 9972.815662][ C2] ? __lock_release+0x5d/0x170 [ 9972.815666][ C2] ? __pfx_vfs_write+0x10/0x10 [ 9972.815670][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 9972.815677][ C2] ksys_write+0x183/0x1d0 [ 9972.815680][ C2] ? __pfx_ksys_write+0x10/0x10 [ 9972.815682][ C2] ? do_user_addr_fault+0x959/0xe00 [ 9972.815688][ C2] do_syscall_64+0xc1/0x380 [ 9972.815691][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 9972.815695][ C2] RIP: 0033:0x7f471c970337 [ 9972.815700][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [ 9972.815701][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 9972.815704][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [ 9972.815706][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [ 9972.815709][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [ 9972.815711][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [ 9972.815713][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [ 9972.815719][ C2] [10000.512937][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7242s! [mptcp_connect:16956] [10000.512953][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10000.512973][ C2] irq event stamp: 64230 [10000.512975][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10000.512990][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [10000.512994][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [10000.513003][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [10000.513013][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10000.513020][ C2] Tainted: [L]=SOFTLOCKUP [10000.513022][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10000.513025][ C2] RIP: 0010:kasan_check_range+0x74/0x1c0 [10000.513034][ 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 [10000.513038][ C2] RSP: 0018:ffffc9000029f5b0 EFLAGS: 00000286 [10000.513042][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10000.513044][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10000.513047][ C2] RBP: ffffed100170bd66 R08: 0000000000000000 R09: 1ffff1100170bd66 [10000.513049][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10000.513051][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10000.513053][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10000.513056][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10000.513061][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10000.513063][ C2] PKRU: 55555554 [10000.513065][ C2] Call Trace: [10000.513069][ C2] [10000.513075][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [10000.513082][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10000.513089][ C2] do_raw_spin_lock+0x1e8/0x270 [10000.513096][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10000.513099][ C2] ? lock_acquire+0x10c/0x170 [10000.513103][ C2] ? mptcp_try_fallback+0x14b/0x360 [10000.513108][ C2] mptcp_try_fallback+0x14b/0x360 [10000.513113][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10000.513120][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10000.513122][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10000.513125][ C2] ? __mptcp_retrans+0x34a/0x960 [10000.513130][ C2] __mptcp_retrans+0x42a/0x960 [10000.513137][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10000.513142][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10000.513151][ C2] mptcp_release_cb+0x5eb/0xac0 [10000.513159][ C2] ? do_raw_spin_lock+0x130/0x270 [10000.513162][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10000.513165][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10000.513168][ C2] ? lock_acquire+0x10c/0x170 [10000.513171][ C2] ? release_sock+0x1f/0x1d0 [10000.513179][ C2] release_sock+0x17f/0x1d0 [10000.513183][ C2] mptcp_sendmsg+0xae1/0x18b0 [10000.513192][ C2] ? _raw_spin_unlock+0x2d/0x50 [10000.513195][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10000.513199][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10000.513207][ C2] ? find_held_lock+0x2b/0x80 [10000.513211][ C2] sock_write_iter+0x3c1/0x520 [10000.513218][ C2] ? __up_write+0x1ad/0x530 [10000.513224][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10000.513231][ C2] ? ksys_write+0xf7/0x1d0 [10000.513238][ C2] vfs_write+0xc0c/0x1210 [10000.513242][ C2] ? ksys_write+0x137/0x1d0 [10000.513245][ C2] ? __lock_release+0x5d/0x170 [10000.513249][ C2] ? __pfx_vfs_write+0x10/0x10 [10000.513253][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10000.513261][ C2] ksys_write+0x183/0x1d0 [10000.513264][ C2] ? __pfx_ksys_write+0x10/0x10 [10000.513267][ C2] ? do_user_addr_fault+0x959/0xe00 [10000.513275][ C2] do_syscall_64+0xc1/0x380 [10000.513281][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10000.513286][ C2] RIP: 0033:0x7f471c970337 [10000.513299][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10000.513301][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10000.513304][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10000.513307][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10000.513309][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10000.513311][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10000.513313][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10000.513319][ C2] [10028.512942][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7268s! [mptcp_connect:16956] [10028.512963][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10028.512994][ C2] irq event stamp: 64230 [10028.512997][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10028.513017][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [10028.513024][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [10028.513035][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [10028.513050][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10028.513060][ C2] Tainted: [L]=SOFTLOCKUP [10028.513063][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10028.513069][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10028.513078][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10028.513096][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [10028.513102][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10028.513106][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10028.513109][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [10028.513113][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10028.513116][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10028.513120][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10028.513125][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10028.513134][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10028.513138][ C2] PKRU: 55555554 [10028.513141][ C2] Call Trace: [10028.513148][ C2] [10028.513157][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10028.513172][ C2] do_raw_spin_lock+0x1e8/0x270 [10028.513183][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10028.513188][ C2] ? lock_acquire+0x10c/0x170 [10028.513196][ C2] ? mptcp_try_fallback+0x14b/0x360 [10028.513205][ C2] mptcp_try_fallback+0x14b/0x360 [10028.513213][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10028.513225][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10028.513231][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10028.513236][ C2] ? __mptcp_retrans+0x34a/0x960 [10028.513245][ C2] __mptcp_retrans+0x42a/0x960 [10028.513256][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10028.513265][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10028.513278][ C2] mptcp_release_cb+0x5eb/0xac0 [10028.513293][ C2] ? do_raw_spin_lock+0x130/0x270 [10028.513299][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10028.513304][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10028.513309][ C2] ? lock_acquire+0x10c/0x170 [10028.513314][ C2] ? release_sock+0x1f/0x1d0 [10028.513325][ C2] release_sock+0x17f/0x1d0 [10028.513331][ C2] mptcp_sendmsg+0xae1/0x18b0 [10028.513345][ C2] ? _raw_spin_unlock+0x2d/0x50 [10028.513351][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10028.513357][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10028.513368][ C2] ? find_held_lock+0x2b/0x80 [10028.513376][ C2] sock_write_iter+0x3c1/0x520 [10028.513386][ C2] ? __up_write+0x1ad/0x530 [10028.513394][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10028.513406][ C2] ? ksys_write+0xf7/0x1d0 [10028.513419][ C2] vfs_write+0xc0c/0x1210 [10028.513427][ C2] ? ksys_write+0x137/0x1d0 [10028.513432][ C2] ? __lock_release+0x5d/0x170 [10028.513439][ C2] ? __pfx_vfs_write+0x10/0x10 [10028.513447][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10028.513460][ C2] ksys_write+0x183/0x1d0 [10028.513467][ C2] ? __pfx_ksys_write+0x10/0x10 [10028.513472][ C2] ? do_user_addr_fault+0x959/0xe00 [10028.513485][ C2] do_syscall_64+0xc1/0x380 [10028.513493][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10028.513501][ C2] RIP: 0033:0x7f471c970337 [10028.513517][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10028.513520][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10028.513526][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10028.513530][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10028.513534][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10028.513538][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10028.513541][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10028.513553][ C2] [10050.817321][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [10050.817686][ C2] rcu: 2-....: (7819834 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3515612 [10050.818223][ C2] rcu: (t=7826300 jiffies g=1286133 q=137802 ncpus=4) [10050.818464][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10050.818471][ C2] Tainted: [L]=SOFTLOCKUP [10050.818473][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10050.818475][ C2] RIP: 0010:kasan_check_range+0x4/0x1c0 [10050.818487][ 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 [10050.818491][ C2] RSP: 0018:ffffc9000029f5c8 EFLAGS: 00000246 [10050.818495][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10050.818498][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10050.818500][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [10050.818502][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10050.818505][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10050.818507][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10050.818509][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10050.818514][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10050.818516][ C2] PKRU: 55555554 [10050.818517][ C2] Call Trace: [10050.818519][ C2] [10050.818520][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [10050.818529][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10050.818536][ C2] do_raw_spin_lock+0x1e8/0x270 [10050.818540][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10050.818543][ C2] ? lock_acquire+0x10c/0x170 [10050.818548][ C2] ? mptcp_try_fallback+0x14b/0x360 [10050.818554][ C2] mptcp_try_fallback+0x14b/0x360 [10050.818558][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10050.818564][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10050.818567][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10050.818570][ C2] ? __mptcp_retrans+0x34a/0x960 [10050.818576][ C2] __mptcp_retrans+0x42a/0x960 [10050.818582][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10050.818588][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10050.818595][ C2] mptcp_release_cb+0x5eb/0xac0 [10050.818603][ C2] ? do_raw_spin_lock+0x130/0x270 [10050.818606][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10050.818609][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10050.818612][ C2] ? lock_acquire+0x10c/0x170 [10050.818615][ C2] ? release_sock+0x1f/0x1d0 [10050.818622][ C2] release_sock+0x17f/0x1d0 [10050.818625][ C2] mptcp_sendmsg+0xae1/0x18b0 [10050.818633][ C2] ? _raw_spin_unlock+0x2d/0x50 [10050.818637][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10050.818641][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10050.818647][ C2] ? find_held_lock+0x2b/0x80 [10050.818651][ C2] sock_write_iter+0x3c1/0x520 [10050.818656][ C2] ? __up_write+0x1ad/0x530 [10050.818662][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10050.818668][ C2] ? ksys_write+0xf7/0x1d0 [10050.818674][ C2] vfs_write+0xc0c/0x1210 [10050.818678][ C2] ? ksys_write+0x137/0x1d0 [10050.818681][ C2] ? __lock_release+0x5d/0x170 [10050.818685][ C2] ? __pfx_vfs_write+0x10/0x10 [10050.818689][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10050.818696][ C2] ksys_write+0x183/0x1d0 [10050.818700][ C2] ? __pfx_ksys_write+0x10/0x10 [10050.818702][ C2] ? do_user_addr_fault+0x959/0xe00 [10050.818710][ C2] do_syscall_64+0xc1/0x380 [10050.818714][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10050.818718][ C2] RIP: 0033:0x7f471c970337 [10050.818727][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10050.818729][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10050.818732][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10050.818735][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10050.818737][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10050.818739][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10050.818741][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10050.818748][ C2] [10057.117413][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7802565 jiffies s: 68525 root: 0x4/. [10057.119440][ T17] rcu: blocking rcu_node structures (internal RCU debug): [10057.119902][ T17] Sending NMI from CPU 0 to CPUs 2: [10057.120288][ C2] NMI backtrace for cpu 2 [10057.120312][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10057.120324][ C2] Tainted: [L]=SOFTLOCKUP [10057.120327][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10057.120330][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10057.120345][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10057.120350][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [10057.120356][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10057.120360][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10057.120364][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [10057.120368][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10057.120371][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10057.120375][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10057.120379][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10057.120386][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10057.120390][ C2] PKRU: 55555554 [10057.120392][ C2] Call Trace: [10057.120398][ C2] [10057.120405][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10057.120418][ C2] do_raw_spin_lock+0x1e8/0x270 [10057.120426][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10057.120431][ C2] ? lock_acquire+0x10c/0x170 [10057.120438][ C2] ? mptcp_try_fallback+0x14b/0x360 [10057.120449][ C2] mptcp_try_fallback+0x14b/0x360 [10057.120457][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10057.120469][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10057.120474][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10057.120479][ C2] ? __mptcp_retrans+0x34a/0x960 [10057.120488][ C2] __mptcp_retrans+0x42a/0x960 [10057.120497][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10057.120506][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10057.120517][ C2] mptcp_release_cb+0x5eb/0xac0 [10057.120530][ C2] ? do_raw_spin_lock+0x130/0x270 [10057.120534][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10057.120539][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10057.120543][ C2] ? lock_acquire+0x10c/0x170 [10057.120547][ C2] ? release_sock+0x1f/0x1d0 [10057.120557][ C2] release_sock+0x17f/0x1d0 [10057.120563][ C2] mptcp_sendmsg+0xae1/0x18b0 [10057.120575][ C2] ? _raw_spin_unlock+0x2d/0x50 [10057.120581][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10057.120587][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10057.120595][ C2] ? find_held_lock+0x2b/0x80 [10057.120602][ C2] sock_write_iter+0x3c1/0x520 [10057.120610][ C2] ? __up_write+0x1ad/0x530 [10057.120617][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10057.120627][ C2] ? ksys_write+0xf7/0x1d0 [10057.120636][ C2] vfs_write+0xc0c/0x1210 [10057.120641][ C2] ? ksys_write+0x137/0x1d0 [10057.120645][ C2] ? __lock_release+0x5d/0x170 [10057.120651][ C2] ? __pfx_vfs_write+0x10/0x10 [10057.120657][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10057.120670][ C2] ksys_write+0x183/0x1d0 [10057.120676][ C2] ? __pfx_ksys_write+0x10/0x10 [10057.120680][ C2] ? do_user_addr_fault+0x959/0xe00 [10057.120692][ C2] do_syscall_64+0xc1/0x380 [10057.120698][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10057.120704][ C2] RIP: 0033:0x7f471c970337 [10057.120717][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10057.120720][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10057.120725][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10057.120729][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10057.120733][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10057.120736][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10057.120740][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10057.120751][ C2] [10084.512938][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7320s! [mptcp_connect:16956] [10084.512953][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10084.512990][ C2] irq event stamp: 64230 [10084.512993][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10084.513007][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [10084.513013][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [10084.513021][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [10084.513031][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10084.513039][ C2] Tainted: [L]=SOFTLOCKUP [10084.513042][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10084.513045][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10084.513052][ 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 [10084.513057][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [10084.513062][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10084.513065][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10084.513068][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [10084.513071][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10084.513074][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10084.513076][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10084.513080][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10084.513086][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10084.513089][ C2] PKRU: 55555554 [10084.513092][ C2] Call Trace: [10084.513097][ C2] [10084.513104][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10084.513115][ C2] do_raw_spin_lock+0x1e8/0x270 [10084.513122][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10084.513126][ C2] ? lock_acquire+0x10c/0x170 [10084.513131][ C2] ? mptcp_try_fallback+0x14b/0x360 [10084.513138][ C2] mptcp_try_fallback+0x14b/0x360 [10084.513144][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10084.513153][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10084.513157][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10084.513161][ C2] ? __mptcp_retrans+0x34a/0x960 [10084.513168][ C2] __mptcp_retrans+0x42a/0x960 [10084.513176][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10084.513183][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10084.513192][ C2] mptcp_release_cb+0x5eb/0xac0 [10084.513203][ C2] ? do_raw_spin_lock+0x130/0x270 [10084.513207][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10084.513211][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10084.513215][ C2] ? lock_acquire+0x10c/0x170 [10084.513219][ C2] ? release_sock+0x1f/0x1d0 [10084.513227][ C2] release_sock+0x17f/0x1d0 [10084.513232][ C2] mptcp_sendmsg+0xae1/0x18b0 [10084.513243][ C2] ? _raw_spin_unlock+0x2d/0x50 [10084.513248][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10084.513253][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10084.513261][ C2] ? find_held_lock+0x2b/0x80 [10084.513267][ C2] sock_write_iter+0x3c1/0x520 [10084.513274][ C2] ? __up_write+0x1ad/0x530 [10084.513280][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10084.513290][ C2] ? ksys_write+0xf7/0x1d0 [10084.513299][ C2] vfs_write+0xc0c/0x1210 [10084.513304][ C2] ? ksys_write+0x137/0x1d0 [10084.513308][ C2] ? __lock_release+0x5d/0x170 [10084.513313][ C2] ? __pfx_vfs_write+0x10/0x10 [10084.513318][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10084.513329][ C2] ksys_write+0x183/0x1d0 [10084.513334][ C2] ? __pfx_ksys_write+0x10/0x10 [10084.513338][ C2] ? do_user_addr_fault+0x959/0xe00 [10084.513348][ C2] do_syscall_64+0xc1/0x380 [10084.513354][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10084.513360][ C2] RIP: 0033:0x7f471c970337 [10084.513371][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10084.513374][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10084.513378][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10084.513382][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10084.513384][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10084.513387][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10084.513390][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10084.513399][ C2] [10112.512938][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7347s! [mptcp_connect:16956] [10112.512955][ 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 [10112.512984][ C2] irq event stamp: 64230 [10112.512987][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10112.513002][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [10112.513009][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [10112.513019][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [10112.513031][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10112.513041][ C2] Tainted: [L]=SOFTLOCKUP [10112.513043][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10112.513047][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10112.513055][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10112.513061][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [10112.513066][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10112.513071][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10112.513075][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [10112.513079][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10112.513082][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10112.513087][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10112.513092][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10112.513099][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10112.513103][ C2] PKRU: 55555554 [10112.513105][ C2] Call Trace: [10112.513111][ C2] [10112.513118][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10112.513133][ C2] do_raw_spin_lock+0x1e8/0x270 [10112.513141][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10112.513146][ C2] ? lock_acquire+0x10c/0x170 [10112.513153][ C2] ? mptcp_try_fallback+0x14b/0x360 [10112.513161][ C2] mptcp_try_fallback+0x14b/0x360 [10112.513169][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10112.513182][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10112.513188][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10112.513193][ C2] ? __mptcp_retrans+0x34a/0x960 [10112.513202][ C2] __mptcp_retrans+0x42a/0x960 [10112.513213][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10112.513224][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10112.513234][ C2] mptcp_release_cb+0x5eb/0xac0 [10112.513248][ C2] ? do_raw_spin_lock+0x130/0x270 [10112.513254][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10112.513259][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10112.513265][ C2] ? lock_acquire+0x10c/0x170 [10112.513269][ C2] ? release_sock+0x1f/0x1d0 [10112.513280][ C2] release_sock+0x17f/0x1d0 [10112.513287][ C2] mptcp_sendmsg+0xae1/0x18b0 [10112.513302][ C2] ? _raw_spin_unlock+0x2d/0x50 [10112.513308][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10112.513315][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10112.513324][ C2] ? find_held_lock+0x2b/0x80 [10112.513332][ C2] sock_write_iter+0x3c1/0x520 [10112.513341][ C2] ? __up_write+0x1ad/0x530 [10112.513349][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10112.513362][ C2] ? ksys_write+0xf7/0x1d0 [10112.513373][ C2] vfs_write+0xc0c/0x1210 [10112.513381][ C2] ? ksys_write+0x137/0x1d0 [10112.513386][ C2] ? __lock_release+0x5d/0x170 [10112.513393][ C2] ? __pfx_vfs_write+0x10/0x10 [10112.513401][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10112.513416][ C2] ksys_write+0x183/0x1d0 [10112.513422][ C2] ? __pfx_ksys_write+0x10/0x10 [10112.513427][ C2] ? do_user_addr_fault+0x959/0xe00 [10112.513440][ C2] do_syscall_64+0xc1/0x380 [10112.513448][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10112.513456][ C2] RIP: 0033:0x7f471c970337 [10112.513468][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10112.513472][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10112.513478][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10112.513482][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10112.513486][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10112.513490][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10112.513494][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10112.513506][ C2] [10128.820354][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [10128.826199][ C2] rcu: 2-....: (7896004 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3546698 [10128.826941][ C2] rcu: (t=7904308 jiffies g=1286133 q=139150 ncpus=4) [10128.827381][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10128.827391][ C2] Tainted: [L]=SOFTLOCKUP [10128.827394][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10128.827397][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10128.827411][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10128.827417][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [10128.827423][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10128.827427][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10128.827430][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [10128.827433][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10128.827436][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10128.827439][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10128.827443][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10128.827449][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10128.827452][ C2] PKRU: 55555554 [10128.827454][ C2] Call Trace: [10128.827457][ C2] [10128.827461][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10128.827472][ C2] do_raw_spin_lock+0x1e8/0x270 [10128.827480][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10128.827484][ C2] ? lock_acquire+0x10c/0x170 [10128.827490][ C2] ? mptcp_try_fallback+0x14b/0x360 [10128.827500][ C2] mptcp_try_fallback+0x14b/0x360 [10128.827506][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10128.827515][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10128.827520][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10128.827524][ C2] ? __mptcp_retrans+0x34a/0x960 [10128.827532][ C2] __mptcp_retrans+0x42a/0x960 [10128.827540][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10128.827548][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10128.827558][ C2] mptcp_release_cb+0x5eb/0xac0 [10128.827569][ C2] ? do_raw_spin_lock+0x130/0x270 [10128.827573][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10128.827578][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10128.827583][ C2] ? lock_acquire+0x10c/0x170 [10128.827587][ C2] ? release_sock+0x1f/0x1d0 [10128.827596][ C2] release_sock+0x17f/0x1d0 [10128.827601][ C2] mptcp_sendmsg+0xae1/0x18b0 [10128.827612][ C2] ? _raw_spin_unlock+0x2d/0x50 [10128.827618][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10128.827624][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10128.827631][ C2] ? find_held_lock+0x2b/0x80 [10128.827638][ C2] sock_write_iter+0x3c1/0x520 [10128.827645][ C2] ? __up_write+0x1ad/0x530 [10128.827652][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10128.827661][ C2] ? ksys_write+0xf7/0x1d0 [10128.827671][ C2] vfs_write+0xc0c/0x1210 [10128.827676][ C2] ? ksys_write+0x137/0x1d0 [10128.827681][ C2] ? __lock_release+0x5d/0x170 [10128.827686][ C2] ? __pfx_vfs_write+0x10/0x10 [10128.827692][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10128.827703][ C2] ksys_write+0x183/0x1d0 [10128.827708][ C2] ? __pfx_ksys_write+0x10/0x10 [10128.827712][ C2] ? do_user_addr_fault+0x959/0xe00 [10128.827723][ C2] do_syscall_64+0xc1/0x380 [10128.827730][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10128.827735][ C2] RIP: 0033:0x7f471c970337 [10128.827750][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10128.827753][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10128.827758][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10128.827762][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10128.827765][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10128.827768][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10128.827771][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10128.827780][ C2] [10155.421348][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 7900869 jiffies s: 68525 root: 0x4/. [10155.421990][ T17] rcu: blocking rcu_node structures (internal RCU debug): [10155.422190][ T17] Sending NMI from CPU 0 to CPUs 2: [10155.422397][ C2] NMI backtrace for cpu 2 [10155.422415][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10155.422422][ C2] Tainted: [L]=SOFTLOCKUP [10155.422423][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10155.422427][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10155.422440][ C2] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 [10155.422444][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [10155.422449][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10155.422452][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10155.422454][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [10155.422457][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10155.422459][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10155.422461][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10155.422464][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10155.422469][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10155.422471][ C2] PKRU: 55555554 [10155.422473][ C2] Call Trace: [10155.422477][ C2] [10155.422483][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10155.422491][ C2] do_raw_spin_lock+0x1e8/0x270 [10155.422498][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10155.422501][ C2] ? lock_acquire+0x10c/0x170 [10155.422506][ C2] ? mptcp_try_fallback+0x14b/0x360 [10155.422515][ C2] mptcp_try_fallback+0x14b/0x360 [10155.422520][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10155.422526][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10155.422529][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10155.422532][ C2] ? __mptcp_retrans+0x34a/0x960 [10155.422538][ C2] __mptcp_retrans+0x42a/0x960 [10155.422544][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10155.422549][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10155.422558][ C2] mptcp_release_cb+0x5eb/0xac0 [10155.422566][ C2] ? do_raw_spin_lock+0x130/0x270 [10155.422569][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10155.422573][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10155.422576][ C2] ? lock_acquire+0x10c/0x170 [10155.422579][ C2] ? release_sock+0x1f/0x1d0 [10155.422587][ C2] release_sock+0x17f/0x1d0 [10155.422591][ C2] mptcp_sendmsg+0xae1/0x18b0 [10155.422599][ C2] ? _raw_spin_unlock+0x2d/0x50 [10155.422604][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10155.422608][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10155.422615][ C2] ? find_held_lock+0x2b/0x80 [10155.422619][ C2] sock_write_iter+0x3c1/0x520 [10155.422626][ C2] ? __up_write+0x1ad/0x530 [10155.422632][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10155.422639][ C2] ? ksys_write+0xf7/0x1d0 [10155.422647][ C2] vfs_write+0xc0c/0x1210 [10155.422652][ C2] ? ksys_write+0x137/0x1d0 [10155.422654][ C2] ? __lock_release+0x5d/0x170 [10155.422658][ C2] ? __pfx_vfs_write+0x10/0x10 [10155.422663][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10155.422670][ C2] ksys_write+0x183/0x1d0 [10155.422674][ C2] ? __pfx_ksys_write+0x10/0x10 [10155.422677][ C2] ? do_user_addr_fault+0x959/0xe00 [10155.422685][ C2] do_syscall_64+0xc1/0x380 [10155.422690][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10155.422695][ C2] RIP: 0033:0x7f471c970337 [10155.422706][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10155.422709][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10155.422712][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10155.422715][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10155.422717][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10155.422720][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10155.422722][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10155.422728][ C2] [10180.512936][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7410s! [mptcp_connect:16956] [10180.512948][ 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 [10180.512965][ C2] irq event stamp: 64230 [10180.512967][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10180.512978][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [10180.512982][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [10180.512988][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [10180.512997][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10180.513004][ C2] Tainted: [L]=SOFTLOCKUP [10180.513005][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10180.513008][ C2] RIP: 0010:queued_spin_lock_slowpath+0x243/0x9c0 [10180.513014][ 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 [10180.513018][ C2] RSP: 0018:ffffc9000029f5d0 EFLAGS: 00000202 [10180.513021][ C2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10180.513024][ C2] RDX: ffffed100170bd67 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10180.513026][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [10180.513028][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10180.513030][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10180.513033][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10180.513036][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10180.513041][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10180.513044][ C2] PKRU: 55555554 [10180.513045][ C2] Call Trace: [10180.513049][ C2] [10180.513054][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10180.513062][ C2] do_raw_spin_lock+0x1e8/0x270 [10180.513068][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10180.513071][ C2] ? lock_acquire+0x10c/0x170 [10180.513075][ C2] ? mptcp_try_fallback+0x14b/0x360 [10180.513080][ C2] mptcp_try_fallback+0x14b/0x360 [10180.513084][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10180.513092][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10180.513095][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10180.513098][ C2] ? __mptcp_retrans+0x34a/0x960 [10180.513103][ C2] __mptcp_retrans+0x42a/0x960 [10180.513109][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10180.513114][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10180.513122][ C2] mptcp_release_cb+0x5eb/0xac0 [10180.513130][ C2] ? do_raw_spin_lock+0x130/0x270 [10180.513133][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10180.513136][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10180.513139][ C2] ? lock_acquire+0x10c/0x170 [10180.513143][ C2] ? release_sock+0x1f/0x1d0 [10180.513149][ C2] release_sock+0x17f/0x1d0 [10180.513153][ C2] mptcp_sendmsg+0xae1/0x18b0 [10180.513161][ C2] ? _raw_spin_unlock+0x2d/0x50 [10180.513165][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10180.513169][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10180.513174][ C2] ? find_held_lock+0x2b/0x80 [10180.513178][ C2] sock_write_iter+0x3c1/0x520 [10180.513184][ C2] ? __up_write+0x1ad/0x530 [10180.513189][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10180.513196][ C2] ? ksys_write+0xf7/0x1d0 [10180.513203][ C2] vfs_write+0xc0c/0x1210 [10180.513207][ C2] ? ksys_write+0x137/0x1d0 [10180.513210][ C2] ? __lock_release+0x5d/0x170 [10180.513214][ C2] ? __pfx_vfs_write+0x10/0x10 [10180.513219][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10180.513226][ C2] ksys_write+0x183/0x1d0 [10180.513230][ C2] ? __pfx_ksys_write+0x10/0x10 [10180.513233][ C2] ? do_user_addr_fault+0x959/0xe00 [10180.513240][ C2] do_syscall_64+0xc1/0x380 [10180.513245][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10180.513249][ C2] RIP: 0033:0x7f471c970337 [10180.513258][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10180.513260][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10180.513263][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10180.513266][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10180.513268][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10180.513270][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10180.513273][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10180.513279][ C2] [10206.828331][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [10206.875383][ C2] rcu: 2-....: (7970179 ticks this GP) idle=6284/1/0x4000000000000000 softirq=669483/669484 fqs=3575572 [10206.955228][ C2] rcu: (t=7982437 jiffies g=1286133 q=140143 ncpus=4) [10206.986552][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10206.986568][ C2] Tainted: [L]=SOFTLOCKUP [10206.986571][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10206.986575][ C2] RIP: 0010:kasan_check_range+0x1a/0x1c0 [10206.986590][ 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 [10206.986596][ C2] RSP: 0018:ffffc9000029f5b8 EFLAGS: 00000282 [10206.986603][ C2] RAX: ffff88800b85eb34 RBX: 0000000000000001 RCX: ffffffffa2cd0f13 [10206.986607][ C2] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800b85eb30 [10206.986610][ C2] RBP: ffff88800b85eb30 R08: 0000000000000000 R09: ffffed100170bd66 [10206.986613][ C2] R10: ffff88800b85eb33 R11: 0000000000000004 R12: 1ffff92000053ebc [10206.986617][ C2] R13: 0000000000000003 R14: ffffed100170bd66 R15: ffffc9000029f610 [10206.986621][ C2] FS: 00007f471c86f740(0000) GS:ffff88809093e000(0000) knlGS:0000000000000000 [10206.986626][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10206.986637][ C2] CR2: 00007f471c97030d CR3: 000000000e258003 CR4: 0000000000772ef0 [10206.986641][ C2] PKRU: 55555554 [10206.986644][ C2] Call Trace: [10206.986647][ C2] [10206.986650][ C2] queued_spin_lock_slowpath+0xb3/0x9c0 [10206.986663][ C2] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [10206.986675][ C2] do_raw_spin_lock+0x1e8/0x270 [10206.986682][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10206.986687][ C2] ? lock_acquire+0x10c/0x170 [10206.986692][ C2] ? mptcp_try_fallback+0x14b/0x360 [10206.986703][ C2] mptcp_try_fallback+0x14b/0x360 [10206.986710][ C2] mptcp_sendmsg_frag+0x138e/0x2d50 [10206.986720][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10206.986724][ C2] ? __pfx_mptcp_sendmsg_frag+0x10/0x10 [10206.986729][ C2] ? __mptcp_retrans+0x34a/0x960 [10206.986736][ C2] __mptcp_retrans+0x42a/0x960 [10206.986745][ C2] ? __pfx___mptcp_retrans+0x10/0x10 [10206.986752][ C2] ? __local_bh_enable_ip+0xa9/0x130 [10206.986763][ C2] mptcp_release_cb+0x5eb/0xac0 [10206.986774][ C2] ? do_raw_spin_lock+0x130/0x270 [10206.986778][ C2] ? __pfx_mptcp_release_cb+0x10/0x10 [10206.986783][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [10206.986788][ C2] ? lock_acquire+0x10c/0x170 [10206.986793][ C2] ? release_sock+0x1f/0x1d0 [10206.986803][ C2] release_sock+0x17f/0x1d0 [10206.986809][ C2] mptcp_sendmsg+0xae1/0x18b0 [10206.986822][ C2] ? _raw_spin_unlock+0x2d/0x50 [10206.986829][ C2] ? __pfx_mptcp_sendmsg+0x10/0x10 [10206.986835][ C2] ? __pfx_ovl_copyattr+0x10/0x10 [10206.986843][ C2] ? find_held_lock+0x2b/0x80 [10206.986851][ C2] sock_write_iter+0x3c1/0x520 [10206.986859][ C2] ? __up_write+0x1ad/0x530 [10206.986866][ C2] ? __pfx_sock_write_iter+0x10/0x10 [10206.986879][ C2] ? ksys_write+0xf7/0x1d0 [10206.986889][ C2] vfs_write+0xc0c/0x1210 [10206.986895][ C2] ? ksys_write+0x137/0x1d0 [10206.986900][ C2] ? __lock_release+0x5d/0x170 [10206.986907][ C2] ? __pfx_vfs_write+0x10/0x10 [10206.986913][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [10206.986926][ C2] ksys_write+0x183/0x1d0 [10206.986932][ C2] ? __pfx_ksys_write+0x10/0x10 [10206.986937][ C2] ? do_user_addr_fault+0x959/0xe00 [10206.986948][ C2] do_syscall_64+0xc1/0x380 [10206.986955][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [10206.986961][ C2] RIP: 0033:0x7f471c970337 [10206.986975][ C2] Code: Unable to access opcode bytes at 0x7f471c97030d. [10206.986978][ C2] RSP: 002b:00007ffc12f1f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [10206.986984][ C2] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f471c970337 [10206.986988][ C2] RDX: 0000000000001f9c RSI: 00007ffc12f21734 RDI: 0000000000000005 [10206.986991][ C2] RBP: 0000000000001f9c R08: 00007f471ca6b21c R09: 00007f471ca6b280 [10206.986995][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc12f216d0 [10206.986999][ C2] R13: 00007ffc12f21734 R14: 0000000000000064 R15: 0000000000000064 [10206.987009][ C2] [10232.514931][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 7458s! [mptcp_connect:16956] [10232.514947][ C2] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nft_compat nf_tables [10232.514974][ C2] irq event stamp: 64230 [10232.514977][ C2] hardirqs last enabled at (64230): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [10232.514992][ C2] hardirqs last disabled at (64229): [] _raw_spin_lock_irqsave+0x5b/0x60 [10232.514998][ C2] softirqs last enabled at (64186): [] __mptcp_retrans+0x2c4/0x960 [10232.515007][ C2] softirqs last disabled at (64188): [] __mptcp_retrans+0x34a/0x960 [10232.515020][ C2] CPU: 2 UID: 0 PID: 16956 Comm: mptcp_connect Tainted: G L 6.16.0-rc6-virtme #1 PREEMPT(full) [10232.515029][ C2] Tainted: [L]=SOFTLOCKUP [10232.515032][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10232.515036][ C2] RIP: 0010:kasan_check_range+0x1b/0x1c0 [10232.515047][ 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 0082 000 0