[10365.223421][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [10365.223703][ C0] rcu: 0-....: (1 GPs behind) idle=ed34/1/0x4000000000000000 softirq=529708/529709 fqs=3957927 [10365.224000][ C0] rcu: (t=9386360 jiffies g=550445 q=177945 ncpus=4) [10365.224152][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10365.224155][ C0] Tainted: [L]=SOFTLOCKUP [10365.224156][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10365.224158][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10365.224162][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10365.224163][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10365.224166][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10365.224167][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10365.224168][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10365.224168][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10365.224169][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10365.224172][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10365.224175][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10365.224176][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10365.224176][ C0] PKRU: 55555554 [10365.224177][ C0] Call Trace: [10365.224178][ C0] [10365.224179][ C0] ? trace_hardirqs_on+0x36/0x40 [10365.224182][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10365.224184][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10365.224186][ C0] do_raw_spin_lock+0x1d5/0x260 [10365.224188][ C0] ? __rwlock_init+0x150/0x150 [10365.224190][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10365.224192][ C0] __mptcp_try_fallback+0xd8/0x280 [10365.224194][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10365.224197][ C0] ? __mptcp_try_fallback+0x280/0x280 [10365.224199][ C0] ? __mptcp_retrans+0x352/0xaa0 [10365.224201][ C0] __mptcp_retrans+0x421/0xaa0 [10365.224204][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10365.224206][ C0] ? __lock_release.isra.0+0x59/0x170 [10365.224207][ C0] ? mark_held_locks+0x40/0x70 [10365.224209][ C0] mptcp_release_cb+0x5aa/0xa70 [10365.224211][ C0] ? sk_reset_timer+0x33/0x80 [10365.224214][ C0] ? __mptcp_push_pending+0x520/0x520 [10365.224216][ C0] ? lock_acquire.part.0+0xbc/0x260 [10365.224218][ C0] ? release_sock+0x21/0x1d0 [10365.224220][ C0] release_sock+0xab/0x1d0 [10365.224221][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10365.224224][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10365.224226][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10365.224228][ C0] ? ovl_sync_status+0x190/0x190 [10365.224230][ C0] ? vfs_iter_write+0x3d8/0xa80 [10365.224231][ C0] ? find_held_lock+0x2b/0x80 [10365.224233][ C0] ? ovl_llseek+0x260/0x260 [10365.224235][ C0] sock_write_iter+0x281/0x4d0 [10365.224236][ C0] ? __up_write+0x1bf/0x520 [10365.224238][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10365.224241][ C0] ? ovl_open_realfile+0x370/0x370 [10365.224242][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10365.224244][ C0] ? validate_chain+0x287/0x5f0 [10365.224246][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10365.224247][ C0] new_sync_write+0x3c5/0x6f0 [10365.224249][ C0] ? __lock_acquire+0x34c/0x740 [10365.224250][ C0] ? new_sync_read+0x6f0/0x6f0 [10365.224252][ C0] ? lock_acquire.part.0+0xbc/0x260 [10365.224254][ C0] ? find_held_lock+0x2b/0x80 [10365.224255][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10365.224257][ C0] vfs_write+0x65e/0xbb0 [10365.224259][ C0] ksys_write+0x17e/0x200 [10365.224261][ C0] ? __ia32_sys_read+0xc0/0xc0 [10365.224263][ C0] ? rcu_is_watching+0x15/0xd0 [10365.224265][ C0] do_syscall_64+0xbb/0xfd0 [10365.224267][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10365.224269][ C0] RIP: 0033:0x7fa5627cbc5e [10365.224272][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10365.224273][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10365.224274][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10365.224275][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10365.224276][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10365.224277][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10365.224278][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10365.224280][ C0] [10380.622436][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 9371727 jiffies s: 79793 root: 0x1/. [10380.622794][ T17] rcu: blocking rcu_node structures (internal RCU debug): [10380.623006][ T17] Sending NMI from CPU 3 to CPUs 0: [10380.623123][ C0] NMI backtrace for cpu 0 [10380.623128][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10380.623131][ C0] Tainted: [L]=SOFTLOCKUP [10380.623131][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10380.623132][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10380.623135][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10380.623137][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10380.623138][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10380.623139][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10380.623140][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10380.623141][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10380.623142][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10380.623143][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10380.623146][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10380.623147][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10380.623148][ C0] PKRU: 55555554 [10380.623148][ C0] Call Trace: [10380.623150][ C0] [10380.623152][ C0] ? trace_hardirqs_on+0x36/0x40 [10380.623154][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10380.623156][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10380.623159][ C0] do_raw_spin_lock+0x1d5/0x260 [10380.623161][ C0] ? __rwlock_init+0x150/0x150 [10380.623163][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10380.623165][ C0] __mptcp_try_fallback+0xd8/0x280 [10380.623167][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10380.623170][ C0] ? __mptcp_try_fallback+0x280/0x280 [10380.623172][ C0] ? __mptcp_retrans+0x352/0xaa0 [10380.623174][ C0] __mptcp_retrans+0x421/0xaa0 [10380.623176][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10380.623179][ C0] ? __lock_release.isra.0+0x59/0x170 [10380.623180][ C0] ? mark_held_locks+0x40/0x70 [10380.623182][ C0] mptcp_release_cb+0x5aa/0xa70 [10380.623184][ C0] ? sk_reset_timer+0x33/0x80 [10380.623186][ C0] ? __mptcp_push_pending+0x520/0x520 [10380.623188][ C0] ? lock_acquire.part.0+0xbc/0x260 [10380.623190][ C0] ? release_sock+0x21/0x1d0 [10380.623192][ C0] release_sock+0xab/0x1d0 [10380.623194][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10380.623197][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10380.623199][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10380.623201][ C0] ? ovl_sync_status+0x190/0x190 [10380.623202][ C0] ? vfs_iter_write+0x3d8/0xa80 [10380.623204][ C0] ? find_held_lock+0x2b/0x80 [10380.623205][ C0] ? ovl_llseek+0x260/0x260 [10380.623207][ C0] sock_write_iter+0x281/0x4d0 [10380.623209][ C0] ? __up_write+0x1bf/0x520 [10380.623211][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10380.623213][ C0] ? ovl_open_realfile+0x370/0x370 [10380.623215][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10380.623217][ C0] ? validate_chain+0x287/0x5f0 [10380.623218][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10380.623220][ C0] new_sync_write+0x3c5/0x6f0 [10380.623221][ C0] ? __lock_acquire+0x34c/0x740 [10380.623223][ C0] ? new_sync_read+0x6f0/0x6f0 [10380.623225][ C0] ? lock_acquire.part.0+0xbc/0x260 [10380.623226][ C0] ? find_held_lock+0x2b/0x80 [10380.623228][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10380.623230][ C0] vfs_write+0x65e/0xbb0 [10380.623232][ C0] ksys_write+0x17e/0x200 [10380.623234][ C0] ? __ia32_sys_read+0xc0/0xc0 [10380.623236][ C0] ? rcu_is_watching+0x15/0xd0 [10380.623238][ C0] do_syscall_64+0xbb/0xfd0 [10380.623240][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10380.623242][ C0] RIP: 0033:0x7fa5627cbc5e [10380.623244][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10380.623245][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10380.623247][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10380.623247][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10380.623248][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10380.623249][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10380.623250][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10380.623252][ C0] [10408.386106][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 8784s! [mptcp_connect:20858] [10408.386118][ C0] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nf_reject_ipv4 nft_compat nf_tables [10408.386134][ C0] irq event stamp: 26046 [10408.386135][ C0] hardirqs last enabled at (26046): [] _raw_spin_unlock_irqrestore+0x53/0x80 [10408.386144][ C0] hardirqs last disabled at (26045): [] _raw_spin_lock_irqsave+0x50/0x60 [10408.386146][ C0] softirqs last enabled at (26002): [] __mptcp_retrans+0x2cb/0xaa0 [10408.386149][ C0] softirqs last disabled at (26004): [] __mptcp_retrans+0x352/0xaa0 [10408.386155][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10408.386159][ C0] Tainted: [L]=SOFTLOCKUP [10408.386160][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10408.386162][ C0] RIP: 0010:kasan_check_range+0x71/0x200 [10408.386169][ C0] Code: 4c 37 ff 48 89 f9 4c 8d 74 37 ff 48 b8 00 00 00 00 00 fc ff df 49 c1 e9 03 48 c1 e9 03 4e 8d 54 08 01 49 8d 1c 01 4c 8d 0c 01 <4c> 89 d1 4c 29 c9 4c 89 c8 48 83 f9 10 0f 8e f4 00 00 00 45 89 cb [10408.386171][ C0] RSP: 0018:ffa00000005e7560 EFLAGS: 00000216 [10408.386173][ C0] RAX: dffffc0000000000 RBX: ffe21c0003b43169 RCX: 1fe2200003b43169 [10408.386174][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10408.386175][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10408.386176][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10408.386177][ C0] R13: ffe21c0003b43169 R14: ff1100001da18b4b R15: ff1100001da18b48 [10408.386180][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10408.386184][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10408.386185][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10408.386186][ C0] PKRU: 55555554 [10408.386187][ C0] Call Trace: [10408.386191][ C0] [10408.386195][ C0] queued_spin_lock_slowpath+0xb1/0xa00 [10408.386199][ C0] ? trace_hardirqs_on+0x36/0x40 [10408.386203][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10408.386205][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10408.386209][ C0] do_raw_spin_lock+0x1d5/0x260 [10408.386213][ C0] ? __rwlock_init+0x150/0x150 [10408.386214][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10408.386217][ C0] __mptcp_try_fallback+0xd8/0x280 [10408.386220][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10408.386223][ C0] ? __mptcp_try_fallback+0x280/0x280 [10408.386224][ C0] ? __mptcp_retrans+0x352/0xaa0 [10408.386226][ C0] __mptcp_retrans+0x421/0xaa0 [10408.386230][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10408.386232][ C0] ? __lock_release.isra.0+0x59/0x170 [10408.386233][ C0] ? mark_held_locks+0x40/0x70 [10408.386236][ C0] mptcp_release_cb+0x5aa/0xa70 [10408.386238][ C0] ? sk_reset_timer+0x33/0x80 [10408.386242][ C0] ? __mptcp_push_pending+0x520/0x520 [10408.386244][ C0] ? lock_acquire.part.0+0xbc/0x260 [10408.386246][ C0] ? release_sock+0x21/0x1d0 [10408.386249][ C0] release_sock+0xab/0x1d0 [10408.386251][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10408.386254][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10408.386257][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10408.386259][ C0] ? ovl_sync_status+0x190/0x190 [10408.386262][ C0] ? vfs_iter_write+0x3d8/0xa80 [10408.386265][ C0] ? find_held_lock+0x2b/0x80 [10408.386267][ C0] ? ovl_llseek+0x260/0x260 [10408.386269][ C0] sock_write_iter+0x281/0x4d0 [10408.386272][ C0] ? __up_write+0x1bf/0x520 [10408.386274][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10408.386277][ C0] ? ovl_open_realfile+0x370/0x370 [10408.386278][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10408.386281][ C0] ? validate_chain+0x287/0x5f0 [10408.386283][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10408.386284][ C0] new_sync_write+0x3c5/0x6f0 [10408.386286][ C0] ? __lock_acquire+0x34c/0x740 [10408.386288][ C0] ? new_sync_read+0x6f0/0x6f0 [10408.386290][ C0] ? lock_acquire.part.0+0xbc/0x260 [10408.386291][ C0] ? find_held_lock+0x2b/0x80 [10408.386293][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10408.386295][ C0] vfs_write+0x65e/0xbb0 [10408.386297][ C0] ksys_write+0x17e/0x200 [10408.386299][ C0] ? __ia32_sys_read+0xc0/0xc0 [10408.386301][ C0] ? rcu_is_watching+0x15/0xd0 [10408.386304][ C0] do_syscall_64+0xbb/0xfd0 [10408.386307][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10408.386311][ C0] RIP: 0033:0x7fa5627cbc5e [10408.386316][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10408.386318][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10408.386320][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10408.386321][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10408.386322][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10408.386322][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10408.386323][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10408.386326][ C0] [10436.386109][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 8810s! [mptcp_connect:20858] [10436.386125][ C0] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nf_reject_ipv4 nft_compat nf_tables [10436.386157][ C0] irq event stamp: 26046 [10436.386160][ C0] hardirqs last enabled at (26046): [] _raw_spin_unlock_irqrestore+0x53/0x80 [10436.386174][ C0] hardirqs last disabled at (26045): [] _raw_spin_lock_irqsave+0x50/0x60 [10436.386178][ C0] softirqs last enabled at (26002): [] __mptcp_retrans+0x2cb/0xaa0 [10436.386183][ C0] softirqs last disabled at (26004): [] __mptcp_retrans+0x352/0xaa0 [10436.386193][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10436.386199][ C0] Tainted: [L]=SOFTLOCKUP [10436.386201][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10436.386205][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10436.386211][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10436.386215][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10436.386219][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10436.386222][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10436.386225][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10436.386227][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10436.386229][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10436.386234][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10436.386241][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10436.386243][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10436.386246][ C0] PKRU: 55555554 [10436.386248][ C0] Call Trace: [10436.386253][ C0] [10436.386259][ C0] ? trace_hardirqs_on+0x36/0x40 [10436.386268][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10436.386273][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10436.386280][ C0] do_raw_spin_lock+0x1d5/0x260 [10436.386286][ C0] ? __rwlock_init+0x150/0x150 [10436.386290][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10436.386296][ C0] __mptcp_try_fallback+0xd8/0x280 [10436.386301][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10436.386308][ C0] ? __mptcp_try_fallback+0x280/0x280 [10436.386312][ C0] ? __mptcp_retrans+0x352/0xaa0 [10436.386317][ C0] __mptcp_retrans+0x421/0xaa0 [10436.386323][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10436.386328][ C0] ? __lock_release.isra.0+0x59/0x170 [10436.386332][ C0] ? mark_held_locks+0x40/0x70 [10436.386337][ C0] mptcp_release_cb+0x5aa/0xa70 [10436.386341][ C0] ? sk_reset_timer+0x33/0x80 [10436.386349][ C0] ? __mptcp_push_pending+0x520/0x520 [10436.386353][ C0] ? lock_acquire.part.0+0xbc/0x260 [10436.386358][ C0] ? release_sock+0x21/0x1d0 [10436.386363][ C0] release_sock+0xab/0x1d0 [10436.386367][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10436.386374][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10436.386380][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10436.386384][ C0] ? ovl_sync_status+0x190/0x190 [10436.386390][ C0] ? vfs_iter_write+0x3d8/0xa80 [10436.386395][ C0] ? find_held_lock+0x2b/0x80 [10436.386399][ C0] ? ovl_llseek+0x260/0x260 [10436.386403][ C0] sock_write_iter+0x281/0x4d0 [10436.386409][ C0] ? __up_write+0x1bf/0x520 [10436.386414][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10436.386419][ C0] ? ovl_open_realfile+0x370/0x370 [10436.386423][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10436.386428][ C0] ? validate_chain+0x287/0x5f0 [10436.386432][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10436.386436][ C0] new_sync_write+0x3c5/0x6f0 [10436.386441][ C0] ? __lock_acquire+0x34c/0x740 [10436.386444][ C0] ? new_sync_read+0x6f0/0x6f0 [10436.386448][ C0] ? lock_acquire.part.0+0xbc/0x260 [10436.386452][ C0] ? find_held_lock+0x2b/0x80 [10436.386456][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10436.386461][ C0] vfs_write+0x65e/0xbb0 [10436.386466][ C0] ksys_write+0x17e/0x200 [10436.386470][ C0] ? __ia32_sys_read+0xc0/0xc0 [10436.386474][ C0] ? rcu_is_watching+0x15/0xd0 [10436.386480][ C0] do_syscall_64+0xbb/0xfd0 [10436.386486][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10436.386492][ C0] RIP: 0033:0x7fa5627cbc5e [10436.386498][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10436.386502][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10436.386506][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10436.386508][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10436.386510][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10436.386512][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10436.386514][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10436.386520][ C0] [10443.226430][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [10443.226917][ C0] rcu: 0-....: (1 GPs behind) idle=ed34/1/0x4000000000000000 softirq=529708/529709 fqs=3995636 [10443.227386][ C0] rcu: (t=9464363 jiffies g=550445 q=179445 ncpus=4) [10443.227757][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10443.227765][ C0] Tainted: [L]=SOFTLOCKUP [10443.227767][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10443.227771][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10443.227783][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10443.227787][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10443.227793][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10443.227796][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10443.227798][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10443.227800][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10443.227802][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10443.227807][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10443.227812][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10443.227815][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10443.227817][ C0] PKRU: 55555554 [10443.227819][ C0] Call Trace: [10443.227821][ C0] [10443.227824][ C0] ? trace_hardirqs_on+0x36/0x40 [10443.227832][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10443.227836][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10443.227843][ C0] do_raw_spin_lock+0x1d5/0x260 [10443.227849][ C0] ? __rwlock_init+0x150/0x150 [10443.227853][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10443.227859][ C0] __mptcp_try_fallback+0xd8/0x280 [10443.227864][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10443.227870][ C0] ? __mptcp_try_fallback+0x280/0x280 [10443.227874][ C0] ? __mptcp_retrans+0x352/0xaa0 [10443.227878][ C0] __mptcp_retrans+0x421/0xaa0 [10443.227884][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10443.227888][ C0] ? __lock_release.isra.0+0x59/0x170 [10443.227892][ C0] ? mark_held_locks+0x40/0x70 [10443.227897][ C0] mptcp_release_cb+0x5aa/0xa70 [10443.227901][ C0] ? sk_reset_timer+0x33/0x80 [10443.227910][ C0] ? __mptcp_push_pending+0x520/0x520 [10443.227913][ C0] ? lock_acquire.part.0+0xbc/0x260 [10443.227918][ C0] ? release_sock+0x21/0x1d0 [10443.227923][ C0] release_sock+0xab/0x1d0 [10443.227927][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10443.227934][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10443.227940][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10443.227943][ C0] ? ovl_sync_status+0x190/0x190 [10443.227949][ C0] ? vfs_iter_write+0x3d8/0xa80 [10443.227954][ C0] ? find_held_lock+0x2b/0x80 [10443.227958][ C0] ? ovl_llseek+0x260/0x260 [10443.227963][ C0] sock_write_iter+0x281/0x4d0 [10443.227967][ C0] ? __up_write+0x1bf/0x520 [10443.227973][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10443.227979][ C0] ? ovl_open_realfile+0x370/0x370 [10443.227982][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10443.227987][ C0] ? validate_chain+0x287/0x5f0 [10443.227992][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10443.227995][ C0] new_sync_write+0x3c5/0x6f0 [10443.227999][ C0] ? __lock_acquire+0x34c/0x740 [10443.228002][ C0] ? new_sync_read+0x6f0/0x6f0 [10443.228006][ C0] ? lock_acquire.part.0+0xbc/0x260 [10443.228009][ C0] ? find_held_lock+0x2b/0x80 [10443.228013][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10443.228018][ C0] vfs_write+0x65e/0xbb0 [10443.228023][ C0] ksys_write+0x17e/0x200 [10443.228026][ C0] ? __ia32_sys_read+0xc0/0xc0 [10443.228030][ C0] ? rcu_is_watching+0x15/0xd0 [10443.228036][ C0] do_syscall_64+0xbb/0xfd0 [10443.228042][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10443.228047][ C0] RIP: 0033:0x7fa5627cbc5e [10443.228053][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10443.228056][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10443.228060][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10443.228062][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10443.228064][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10443.228066][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10443.228069][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10443.228074][ C0] [10468.386112][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 8840s! [mptcp_connect:20858] [10468.386128][ C0] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nf_reject_ipv4 nft_compat nf_tables [10468.386152][ C0] irq event stamp: 26046 [10468.386154][ C0] hardirqs last enabled at (26046): [] _raw_spin_unlock_irqrestore+0x53/0x80 [10468.386167][ C0] hardirqs last disabled at (26045): [] _raw_spin_lock_irqsave+0x50/0x60 [10468.386171][ C0] softirqs last enabled at (26002): [] __mptcp_retrans+0x2cb/0xaa0 [10468.386177][ C0] softirqs last disabled at (26004): [] __mptcp_retrans+0x352/0xaa0 [10468.386186][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10468.386193][ C0] Tainted: [L]=SOFTLOCKUP [10468.386195][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10468.386199][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10468.386205][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10468.386209][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10468.386212][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10468.386215][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10468.386217][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10468.386219][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10468.386221][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10468.386227][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10468.386232][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10468.386235][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10468.386237][ C0] PKRU: 55555554 [10468.386239][ C0] Call Trace: [10468.386245][ C0] [10468.386251][ C0] ? trace_hardirqs_on+0x36/0x40 [10468.386259][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10468.386264][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10468.386271][ C0] do_raw_spin_lock+0x1d5/0x260 [10468.386277][ C0] ? __rwlock_init+0x150/0x150 [10468.386281][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10468.386286][ C0] __mptcp_try_fallback+0xd8/0x280 [10468.386291][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10468.386298][ C0] ? __mptcp_try_fallback+0x280/0x280 [10468.386301][ C0] ? __mptcp_retrans+0x352/0xaa0 [10468.386306][ C0] __mptcp_retrans+0x421/0xaa0 [10468.386312][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10468.386316][ C0] ? __lock_release.isra.0+0x59/0x170 [10468.386320][ C0] ? mark_held_locks+0x40/0x70 [10468.386325][ C0] mptcp_release_cb+0x5aa/0xa70 [10468.386329][ C0] ? sk_reset_timer+0x33/0x80 [10468.386337][ C0] ? __mptcp_push_pending+0x520/0x520 [10468.386341][ C0] ? lock_acquire.part.0+0xbc/0x260 [10468.386345][ C0] ? release_sock+0x21/0x1d0 [10468.386350][ C0] release_sock+0xab/0x1d0 [10468.386354][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10468.386361][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10468.386367][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10468.386370][ C0] ? ovl_sync_status+0x190/0x190 [10468.386376][ C0] ? vfs_iter_write+0x3d8/0xa80 [10468.386381][ C0] ? find_held_lock+0x2b/0x80 [10468.386384][ C0] ? ovl_llseek+0x260/0x260 [10468.386389][ C0] sock_write_iter+0x281/0x4d0 [10468.386393][ C0] ? __up_write+0x1bf/0x520 [10468.386398][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10468.386414][ C0] ? ovl_open_realfile+0x370/0x370 [10468.386417][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10468.386422][ C0] ? validate_chain+0x287/0x5f0 [10468.386426][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10468.386429][ C0] new_sync_write+0x3c5/0x6f0 [10468.386434][ C0] ? __lock_acquire+0x34c/0x740 [10468.386437][ C0] ? new_sync_read+0x6f0/0x6f0 [10468.386442][ C0] ? lock_acquire.part.0+0xbc/0x260 [10468.386445][ C0] ? find_held_lock+0x2b/0x80 [10468.386448][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10468.386453][ C0] vfs_write+0x65e/0xbb0 [10468.386458][ C0] ksys_write+0x17e/0x200 [10468.386462][ C0] ? __ia32_sys_read+0xc0/0xc0 [10468.386466][ C0] ? rcu_is_watching+0x15/0xd0 [10468.386471][ C0] do_syscall_64+0xbb/0xfd0 [10468.386477][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10468.386483][ C0] RIP: 0033:0x7fa5627cbc5e [10468.386490][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10468.386494][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10468.386499][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10468.386501][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10468.386504][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10468.386506][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10468.386507][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10468.386513][ C0] [10478.926481][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 9470031 jiffies s: 79793 root: 0x1/. [10478.928450][ T17] rcu: blocking rcu_node structures (internal RCU debug): [10478.929053][ T17] Sending NMI from CPU 3 to CPUs 0: [10478.929473][ C0] NMI backtrace for cpu 0 [10478.929501][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10478.929510][ C0] Tainted: [L]=SOFTLOCKUP [10478.929512][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10478.929516][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10478.929530][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10478.929534][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10478.929540][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10478.929543][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10478.929546][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10478.929548][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10478.929550][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10478.929555][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10478.929562][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10478.929564][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10478.929566][ C0] PKRU: 55555554 [10478.929568][ C0] Call Trace: [10478.929574][ C0] [10478.929581][ C0] ? trace_hardirqs_on+0x36/0x40 [10478.929590][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10478.929595][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10478.929602][ C0] do_raw_spin_lock+0x1d5/0x260 [10478.929609][ C0] ? __rwlock_init+0x150/0x150 [10478.929613][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10478.929619][ C0] __mptcp_try_fallback+0xd8/0x280 [10478.929625][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10478.929631][ C0] ? __mptcp_try_fallback+0x280/0x280 [10478.929635][ C0] ? __mptcp_retrans+0x352/0xaa0 [10478.929640][ C0] __mptcp_retrans+0x421/0xaa0 [10478.929646][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10478.929651][ C0] ? __lock_release.isra.0+0x59/0x170 [10478.929655][ C0] ? mark_held_locks+0x40/0x70 [10478.929660][ C0] mptcp_release_cb+0x5aa/0xa70 [10478.929664][ C0] ? sk_reset_timer+0x33/0x80 [10478.929672][ C0] ? __mptcp_push_pending+0x520/0x520 [10478.929676][ C0] ? lock_acquire.part.0+0xbc/0x260 [10478.929681][ C0] ? release_sock+0x21/0x1d0 [10478.929686][ C0] release_sock+0xab/0x1d0 [10478.929690][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10478.929697][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10478.929703][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10478.929707][ C0] ? ovl_sync_status+0x190/0x190 [10478.929714][ C0] ? vfs_iter_write+0x3d8/0xa80 [10478.929719][ C0] ? find_held_lock+0x2b/0x80 [10478.929723][ C0] ? ovl_llseek+0x260/0x260 [10478.929728][ C0] sock_write_iter+0x281/0x4d0 [10478.929733][ C0] ? __up_write+0x1bf/0x520 [10478.929739][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10478.929745][ C0] ? ovl_open_realfile+0x370/0x370 [10478.929748][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10478.929753][ C0] ? validate_chain+0x287/0x5f0 [10478.929758][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10478.929761][ C0] new_sync_write+0x3c5/0x6f0 [10478.929766][ C0] ? __lock_acquire+0x34c/0x740 [10478.929770][ C0] ? new_sync_read+0x6f0/0x6f0 [10478.929774][ C0] ? lock_acquire.part.0+0xbc/0x260 [10478.929778][ C0] ? find_held_lock+0x2b/0x80 [10478.929782][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10478.929787][ C0] vfs_write+0x65e/0xbb0 [10478.929793][ C0] ksys_write+0x17e/0x200 [10478.929797][ C0] ? __ia32_sys_read+0xc0/0xc0 [10478.929801][ C0] ? rcu_is_watching+0x15/0xd0 [10478.929807][ C0] do_syscall_64+0xbb/0xfd0 [10478.929814][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10478.929820][ C0] RIP: 0033:0x7fa5627cbc5e [10478.929827][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10478.929831][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10478.929835][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10478.929838][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10478.929841][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10478.929843][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10478.929845][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10478.929851][ C0] [10504.386108][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 8873s! [mptcp_connect:20858] [10504.386124][ C0] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nf_reject_ipv4 nft_compat nf_tables [10504.386150][ C0] irq event stamp: 26046 [10504.386153][ C0] hardirqs last enabled at (26046): [] _raw_spin_unlock_irqrestore+0x53/0x80 [10504.386166][ C0] hardirqs last disabled at (26045): [] _raw_spin_lock_irqsave+0x50/0x60 [10504.386170][ C0] softirqs last enabled at (26002): [] __mptcp_retrans+0x2cb/0xaa0 [10504.386176][ C0] softirqs last disabled at (26004): [] __mptcp_retrans+0x352/0xaa0 [10504.386186][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10504.386193][ C0] Tainted: [L]=SOFTLOCKUP [10504.386195][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10504.386199][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10504.386205][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10504.386209][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10504.386213][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10504.386216][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10504.386219][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10504.386221][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10504.386223][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10504.386229][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10504.386235][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10504.386238][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10504.386240][ C0] PKRU: 55555554 [10504.386242][ C0] Call Trace: [10504.386248][ C0] [10504.386254][ C0] ? trace_hardirqs_on+0x36/0x40 [10504.386262][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10504.386267][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10504.386275][ C0] do_raw_spin_lock+0x1d5/0x260 [10504.386282][ C0] ? __rwlock_init+0x150/0x150 [10504.386285][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10504.386290][ C0] __mptcp_try_fallback+0xd8/0x280 [10504.386296][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10504.386303][ C0] ? __mptcp_try_fallback+0x280/0x280 [10504.386306][ C0] ? __mptcp_retrans+0x352/0xaa0 [10504.386311][ C0] __mptcp_retrans+0x421/0xaa0 [10504.386317][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10504.386322][ C0] ? __lock_release.isra.0+0x59/0x170 [10504.386326][ C0] ? mark_held_locks+0x40/0x70 [10504.386330][ C0] mptcp_release_cb+0x5aa/0xa70 [10504.386335][ C0] ? sk_reset_timer+0x33/0x80 [10504.386344][ C0] ? __mptcp_push_pending+0x520/0x520 [10504.386348][ C0] ? lock_acquire.part.0+0xbc/0x260 [10504.386353][ C0] ? release_sock+0x21/0x1d0 [10504.386358][ C0] release_sock+0xab/0x1d0 [10504.386362][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10504.386370][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10504.386376][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10504.386380][ C0] ? ovl_sync_status+0x190/0x190 [10504.386386][ C0] ? vfs_iter_write+0x3d8/0xa80 [10504.386391][ C0] ? find_held_lock+0x2b/0x80 [10504.386395][ C0] ? ovl_llseek+0x260/0x260 [10504.386399][ C0] sock_write_iter+0x281/0x4d0 [10504.386405][ C0] ? __up_write+0x1bf/0x520 [10504.386410][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10504.386415][ C0] ? ovl_open_realfile+0x370/0x370 [10504.386419][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10504.386424][ C0] ? validate_chain+0x287/0x5f0 [10504.386428][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10504.386431][ C0] new_sync_write+0x3c5/0x6f0 [10504.386436][ C0] ? __lock_acquire+0x34c/0x740 [10504.386439][ C0] ? new_sync_read+0x6f0/0x6f0 [10504.386444][ C0] ? lock_acquire.part.0+0xbc/0x260 [10504.386447][ C0] ? find_held_lock+0x2b/0x80 [10504.386451][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10504.386456][ C0] vfs_write+0x65e/0xbb0 [10504.386462][ C0] ksys_write+0x17e/0x200 [10504.386466][ C0] ? __ia32_sys_read+0xc0/0xc0 [10504.386470][ C0] ? rcu_is_watching+0x15/0xd0 [10504.386475][ C0] do_syscall_64+0xbb/0xfd0 [10504.386482][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10504.386488][ C0] RIP: 0033:0x7fa5627cbc5e [10504.386494][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10504.386497][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10504.386502][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10504.386504][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10504.386507][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10504.386509][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10504.386511][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10504.386517][ C0] [10521.229428][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [10521.230027][ C0] rcu: 0-....: (1 GPs behind) idle=ed34/1/0x4000000000000000 softirq=529708/529709 fqs=4034096 [10521.230739][ C0] rcu: (t=9542366 jiffies g=550445 q=180942 ncpus=4) [10521.231306][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10521.231314][ C0] Tainted: [L]=SOFTLOCKUP [10521.231317][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10521.231320][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10521.231334][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10521.231338][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10521.231344][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10521.231347][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10521.231349][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10521.231352][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10521.231354][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10521.231359][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10521.231365][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10521.231368][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10521.231370][ C0] PKRU: 55555554 [10521.231372][ C0] Call Trace: [10521.231374][ C0] [10521.231377][ C0] ? trace_hardirqs_on+0x36/0x40 [10521.231385][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10521.231390][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10521.231397][ C0] do_raw_spin_lock+0x1d5/0x260 [10521.231403][ C0] ? __rwlock_init+0x150/0x150 [10521.231406][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10521.231413][ C0] __mptcp_try_fallback+0xd8/0x280 [10521.231418][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10521.231424][ C0] ? __mptcp_try_fallback+0x280/0x280 [10521.231427][ C0] ? __mptcp_retrans+0x352/0xaa0 [10521.231433][ C0] __mptcp_retrans+0x421/0xaa0 [10521.231438][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10521.231443][ C0] ? __lock_release.isra.0+0x59/0x170 [10521.231447][ C0] ? mark_held_locks+0x40/0x70 [10521.231452][ C0] mptcp_release_cb+0x5aa/0xa70 [10521.231456][ C0] ? sk_reset_timer+0x33/0x80 [10521.231464][ C0] ? __mptcp_push_pending+0x520/0x520 [10521.231468][ C0] ? lock_acquire.part.0+0xbc/0x260 [10521.231473][ C0] ? release_sock+0x21/0x1d0 [10521.231478][ C0] release_sock+0xab/0x1d0 [10521.231481][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10521.231488][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10521.231494][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10521.231498][ C0] ? ovl_sync_status+0x190/0x190 [10521.231504][ C0] ? vfs_iter_write+0x3d8/0xa80 [10521.231509][ C0] ? find_held_lock+0x2b/0x80 [10521.231513][ C0] ? ovl_llseek+0x260/0x260 [10521.231517][ C0] sock_write_iter+0x281/0x4d0 [10521.231522][ C0] ? __up_write+0x1bf/0x520 [10521.231527][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10521.231533][ C0] ? ovl_open_realfile+0x370/0x370 [10521.231537][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10521.231541][ C0] ? validate_chain+0x287/0x5f0 [10521.231546][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10521.231549][ C0] new_sync_write+0x3c5/0x6f0 [10521.231553][ C0] ? __lock_acquire+0x34c/0x740 [10521.231557][ C0] ? new_sync_read+0x6f0/0x6f0 [10521.231561][ C0] ? lock_acquire.part.0+0xbc/0x260 [10521.231564][ C0] ? find_held_lock+0x2b/0x80 [10521.231568][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10521.231574][ C0] vfs_write+0x65e/0xbb0 [10521.231579][ C0] ksys_write+0x17e/0x200 [10521.231583][ C0] ? __ia32_sys_read+0xc0/0xc0 [10521.231587][ C0] ? rcu_is_watching+0x15/0xd0 [10521.231592][ C0] do_syscall_64+0xbb/0xfd0 [10521.231599][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10521.231604][ C0] RIP: 0033:0x7fa5627cbc5e [10521.231611][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10521.231614][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10521.231618][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10521.231621][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10521.231623][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10521.231626][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10521.231628][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10521.231633][ C0] [10548.386105][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 8914s! [mptcp_connect:20858] [10548.386117][ C0] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nf_reject_ipv4 nft_compat nf_tables [10548.386132][ C0] irq event stamp: 26046 [10548.386133][ C0] hardirqs last enabled at (26046): [] _raw_spin_unlock_irqrestore+0x53/0x80 [10548.386143][ C0] hardirqs last disabled at (26045): [] _raw_spin_lock_irqsave+0x50/0x60 [10548.386145][ C0] softirqs last enabled at (26002): [] __mptcp_retrans+0x2cb/0xaa0 [10548.386148][ C0] softirqs last disabled at (26004): [] __mptcp_retrans+0x352/0xaa0 [10548.386155][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10548.386159][ C0] Tainted: [L]=SOFTLOCKUP [10548.386160][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10548.386162][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10548.386166][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10548.386168][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10548.386170][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10548.386172][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10548.386173][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10548.386174][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10548.386174][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10548.386177][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10548.386181][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10548.386182][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10548.386183][ C0] PKRU: 55555554 [10548.386184][ C0] Call Trace: [10548.386188][ C0] [10548.386193][ C0] ? trace_hardirqs_on+0x36/0x40 [10548.386197][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10548.386200][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10548.386204][ C0] do_raw_spin_lock+0x1d5/0x260 [10548.386208][ C0] ? __rwlock_init+0x150/0x150 [10548.386210][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10548.386212][ C0] __mptcp_try_fallback+0xd8/0x280 [10548.386215][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10548.386218][ C0] ? __mptcp_try_fallback+0x280/0x280 [10548.386220][ C0] ? __mptcp_retrans+0x352/0xaa0 [10548.386222][ C0] __mptcp_retrans+0x421/0xaa0 [10548.386225][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10548.386227][ C0] ? __lock_release.isra.0+0x59/0x170 [10548.386229][ C0] ? mark_held_locks+0x40/0x70 [10548.386231][ C0] mptcp_release_cb+0x5aa/0xa70 [10548.386233][ C0] ? sk_reset_timer+0x33/0x80 [10548.386238][ C0] ? __mptcp_push_pending+0x520/0x520 [10548.386240][ C0] ? lock_acquire.part.0+0xbc/0x260 [10548.386242][ C0] ? release_sock+0x21/0x1d0 [10548.386244][ C0] release_sock+0xab/0x1d0 [10548.386246][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10548.386250][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10548.386253][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10548.386255][ C0] ? ovl_sync_status+0x190/0x190 [10548.386259][ C0] ? vfs_iter_write+0x3d8/0xa80 [10548.386262][ C0] ? find_held_lock+0x2b/0x80 [10548.386263][ C0] ? ovl_llseek+0x260/0x260 [10548.386266][ C0] sock_write_iter+0x281/0x4d0 [10548.386268][ C0] ? __up_write+0x1bf/0x520 [10548.386271][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10548.386274][ C0] ? ovl_open_realfile+0x370/0x370 [10548.386275][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10548.386278][ C0] ? validate_chain+0x287/0x5f0 [10548.386280][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10548.386281][ C0] new_sync_write+0x3c5/0x6f0 [10548.386283][ C0] ? __lock_acquire+0x34c/0x740 [10548.386285][ C0] ? new_sync_read+0x6f0/0x6f0 [10548.386287][ C0] ? lock_acquire.part.0+0xbc/0x260 [10548.386289][ C0] ? find_held_lock+0x2b/0x80 [10548.386290][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10548.386293][ C0] vfs_write+0x65e/0xbb0 [10548.386295][ C0] ksys_write+0x17e/0x200 [10548.386297][ C0] ? __ia32_sys_read+0xc0/0xc0 [10548.386299][ C0] ? rcu_is_watching+0x15/0xd0 [10548.386301][ C0] do_syscall_64+0xbb/0xfd0 [10548.386305][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10548.386309][ C0] RIP: 0033:0x7fa5627cbc5e [10548.386313][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10548.386315][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10548.386316][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10548.386317][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10548.386318][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10548.386319][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10548.386320][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10548.386322][ C0] [10576.386103][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 8941s! [mptcp_connect:20858] [10576.386114][ C0] Modules linked in: act_csum act_pedit cls_fw sch_ingress xt_mark xt_statistic xt_length xt_bpf sch_netem ipt_REJECT nf_reject_ipv4 nft_compat nf_tables [10576.386130][ C0] irq event stamp: 26046 [10576.386131][ C0] hardirqs last enabled at (26046): [] _raw_spin_unlock_irqrestore+0x53/0x80 [10576.386140][ C0] hardirqs last disabled at (26045): [] _raw_spin_lock_irqsave+0x50/0x60 [10576.386143][ C0] softirqs last enabled at (26002): [] __mptcp_retrans+0x2cb/0xaa0 [10576.386146][ C0] softirqs last disabled at (26004): [] __mptcp_retrans+0x352/0xaa0 [10576.386152][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10576.386155][ C0] Tainted: [L]=SOFTLOCKUP [10576.386156][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10576.386158][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10576.386162][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10576.386164][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10576.386166][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10576.386167][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10576.386168][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10576.386169][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10576.386170][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10576.386173][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10576.386177][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10576.386178][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10576.386179][ C0] PKRU: 55555554 [10576.386180][ C0] Call Trace: [10576.386183][ C0] [10576.386187][ C0] ? trace_hardirqs_on+0x36/0x40 [10576.386193][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10576.386195][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10576.386199][ C0] do_raw_spin_lock+0x1d5/0x260 [10576.386203][ C0] ? __rwlock_init+0x150/0x150 [10576.386205][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10576.386207][ C0] __mptcp_try_fallback+0xd8/0x280 [10576.386210][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10576.386213][ C0] ? __mptcp_try_fallback+0x280/0x280 [10576.386215][ C0] ? __mptcp_retrans+0x352/0xaa0 [10576.386217][ C0] __mptcp_retrans+0x421/0xaa0 [10576.386220][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10576.386222][ C0] ? __lock_release.isra.0+0x59/0x170 [10576.386224][ C0] ? mark_held_locks+0x40/0x70 [10576.386226][ C0] mptcp_release_cb+0x5aa/0xa70 [10576.386228][ C0] ? sk_reset_timer+0x33/0x80 [10576.386233][ C0] ? __mptcp_push_pending+0x520/0x520 [10576.386234][ C0] ? lock_acquire.part.0+0xbc/0x260 [10576.386237][ C0] ? release_sock+0x21/0x1d0 [10576.386239][ C0] release_sock+0xab/0x1d0 [10576.386241][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10576.386244][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10576.386248][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10576.386249][ C0] ? ovl_sync_status+0x190/0x190 [10576.386253][ C0] ? vfs_iter_write+0x3d8/0xa80 [10576.386256][ C0] ? find_held_lock+0x2b/0x80 [10576.386258][ C0] ? ovl_llseek+0x260/0x260 [10576.386260][ C0] sock_write_iter+0x281/0x4d0 [10576.386263][ C0] ? __up_write+0x1bf/0x520 [10576.386266][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10576.386268][ C0] ? ovl_open_realfile+0x370/0x370 [10576.386270][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10576.386272][ C0] ? validate_chain+0x287/0x5f0 [10576.386274][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10576.386275][ C0] new_sync_write+0x3c5/0x6f0 [10576.386278][ C0] ? __lock_acquire+0x34c/0x740 [10576.386279][ C0] ? new_sync_read+0x6f0/0x6f0 [10576.386281][ C0] ? lock_acquire.part.0+0xbc/0x260 [10576.386282][ C0] ? find_held_lock+0x2b/0x80 [10576.386284][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10576.386286][ C0] vfs_write+0x65e/0xbb0 [10576.386289][ C0] ksys_write+0x17e/0x200 [10576.386291][ C0] ? __ia32_sys_read+0xc0/0xc0 [10576.386293][ C0] ? rcu_is_watching+0x15/0xd0 [10576.386295][ C0] do_syscall_64+0xbb/0xfd0 [10576.386299][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10576.386302][ C0] RIP: 0033:0x7fa5627cbc5e [10576.386307][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10576.386313][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10576.386315][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10576.386316][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10576.386317][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10576.386318][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10576.386318][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10576.386321][ C0] [10577.230437][ T17] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 9568335 jiffies s: 79793 root: 0x1/. [10577.230849][ T17] rcu: blocking rcu_node structures (internal RCU debug): [10577.230978][ T17] Sending NMI from CPU 3 to CPUs 0: [10577.231090][ C0] NMI backtrace for cpu 0 [10577.231094][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10577.231097][ C0] Tainted: [L]=SOFTLOCKUP [10577.231097][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10577.231098][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10577.231102][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10577.231103][ C0] RSP: 0018:ffa00000005e7580 EFLAGS: 00000202 [10577.231104][ C0] RAX: 0000000000000001 RBX: ff1100001da18b48 RCX: 0000000000000001 [10577.231105][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ff1100001da18b48 [10577.231106][ C0] RBP: 1ff40000000bceb3 R08: ffffffff869360f1 R09: ffe21c0003b43169 [10577.231107][ C0] R10: ffe21c0003b4316a R11: 0000000000000000 R12: 0000000000000003 [10577.231108][ C0] R13: ffe21c0003b43169 R14: 000000000000001c R15: ff1100001da18b48 [10577.231109][ C0] FS: 00007fa56275a740(0000) GS:ff110000ac877000(0000) knlGS:0000000000000000 [10577.231112][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10577.231113][ C0] CR2: 00007fff68e55798 CR3: 000000000a8ef002 CR4: 0000000000771ef0 [10577.231114][ C0] PKRU: 55555554 [10577.231114][ C0] Call Trace: [10577.231116][ C0] [10577.231116][ C0] ? trace_hardirqs_on+0x36/0x40 [10577.231119][ C0] ? _raw_write_unlock_irqrestore+0x80/0x80 [10577.231121][ C0] ? __printk_cpu_sync_put+0x35/0x60 [10577.231124][ C0] do_raw_spin_lock+0x1d5/0x260 [10577.231126][ C0] ? __rwlock_init+0x150/0x150 [10577.231128][ C0] ? __mptcp_try_fallback+0xd8/0x280 [10577.231131][ C0] __mptcp_try_fallback+0xd8/0x280 [10577.231133][ C0] mptcp_sendmsg_frag+0x16c2/0x3050 [10577.231135][ C0] ? __mptcp_try_fallback+0x280/0x280 [10577.231137][ C0] ? __mptcp_retrans+0x352/0xaa0 [10577.231139][ C0] __mptcp_retrans+0x421/0xaa0 [10577.231142][ C0] ? mptcp_check_and_set_pending+0x1a0/0x1a0 [10577.231144][ C0] ? __lock_release.isra.0+0x59/0x170 [10577.231146][ C0] ? mark_held_locks+0x40/0x70 [10577.231148][ C0] mptcp_release_cb+0x5aa/0xa70 [10577.231150][ C0] ? sk_reset_timer+0x33/0x80 [10577.231153][ C0] ? __mptcp_push_pending+0x520/0x520 [10577.231155][ C0] ? lock_acquire.part.0+0xbc/0x260 [10577.231157][ C0] ? release_sock+0x21/0x1d0 [10577.231159][ C0] release_sock+0xab/0x1d0 [10577.231160][ C0] mptcp_sendmsg+0xd5b/0x1bc0 [10577.231163][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10577.231166][ C0] ? mptcp_stream_accept+0xce0/0xce0 [10577.231167][ C0] ? ovl_sync_status+0x190/0x190 [10577.231170][ C0] ? vfs_iter_write+0x3d8/0xa80 [10577.231172][ C0] ? find_held_lock+0x2b/0x80 [10577.231173][ C0] ? ovl_llseek+0x260/0x260 [10577.231176][ C0] sock_write_iter+0x281/0x4d0 [10577.231178][ C0] ? __up_write+0x1bf/0x520 [10577.231180][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10577.231183][ C0] ? ovl_open_realfile+0x370/0x370 [10577.231184][ C0] ? rcu_read_lock_any_held+0x41/0xa0 [10577.231186][ C0] ? validate_chain+0x287/0x5f0 [10577.231188][ C0] ? ____sys_recvmsg+0x6b0/0x6b0 [10577.231189][ C0] new_sync_write+0x3c5/0x6f0 [10577.231191][ C0] ? __lock_acquire+0x34c/0x740 [10577.231193][ C0] ? new_sync_read+0x6f0/0x6f0 [10577.231194][ C0] ? lock_acquire.part.0+0xbc/0x260 [10577.231196][ C0] ? find_held_lock+0x2b/0x80 [10577.231197][ C0] ? perf_trace_sched_switch+0x6d0/0x6d0 [10577.231200][ C0] vfs_write+0x65e/0xbb0 [10577.231202][ C0] ksys_write+0x17e/0x200 [10577.231203][ C0] ? __ia32_sys_read+0xc0/0xc0 [10577.231205][ C0] ? rcu_is_watching+0x15/0xd0 [10577.231208][ C0] do_syscall_64+0xbb/0xfd0 [10577.231210][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [10577.231212][ C0] RIP: 0033:0x7fa5627cbc5e [10577.231213][ C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [10577.231214][ C0] RSP: 002b:00007fff1fe14700 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [10577.231216][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5627cbc5e [10577.231216][ C0] RDX: 0000000000001f9c RSI: 00007fff1fe16984 RDI: 0000000000000005 [10577.231217][ C0] RBP: 00007fff1fe14710 R08: 0000000000000000 R09: 0000000000000000 [10577.231218][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1fe16920 [10577.231218][ C0] R13: 0000000000002000 R14: 0000000000001f9c R15: 0000000000001f9c [10577.231221][ C0] [10599.232420][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [10599.232718][ C0] rcu: 0-....: (1 GPs behind) idle=ed34/1/0x4000000000000000 softirq=529708/529709 fqs=4071378 [10599.232953][ C0] rcu: (t=9620369 jiffies g=550445 q=182439 ncpus=4) [10599.233085][ C0] CPU: 0 UID: 0 PID: 20858 Comm: mptcp_connect Tainted: G L 6.18.0-rc7-virtme #1 PREEMPT(full) [10599.233088][ C0] Tainted: [L]=SOFTLOCKUP [10599.233089][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [10599.233091][ C0] RIP: 0010:queued_spin_lock_slowpath+0x460/0xa00 [10599.233098][ C0] Code: 8b 13 81 fa 00 01 00 00 74 df 41 89 d5 44 89 6c 24 58 41 81 fd ff 00 00 00 0f 87 0e fd ff ff e9 95 fe ff ff 89 44 24 48 f3 90 3f fc ff ff 41 8d 46 01 41 c1 e5 10 c1 e0 12 41 09 c5 be 02 00 [10599.233100][ C0] RSP: 0018:ffa00000005e75802