[ 1071.951033][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1548822617 wd_nsec: 1548822560 [ 1096.417129][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [kworker/0:1:10] [ 1096.417139][ C0] Modules linked in: act_skbedit act_ct nf_flow_table nf_tables nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 dummy ip6_gre ip6_tunnel tunnel6 cls_matchall act_mirred ip_gre gre act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 1096.417161][ C0] irq event stamp: 464675 [ 1096.417163][ C0] hardirqs last enabled at (464674): [] irqentry_exit+0xf9/0x4d0 [ 1096.417171][ C0] hardirqs last disabled at (464675): [] sysvec_apic_timer_interrupt+0x12/0xf0 [ 1096.417173][ C0] softirqs last enabled at (0): [] copy_process+0x1714/0x5710 [ 1096.417178][ C0] softirqs last disabled at (369): [] irq_exit_rcu+0xa2/0xf0 [ 1096.417184][ C0] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.18.0-virtme #1 PREEMPT(full) [ 1096.417187][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1096.417190][ C0] Workqueue: 0x0 (events) [ 1096.417197][ C0] RIP: 0010:unwind_next_frame+0x4/0x1cc0 [ 1096.417201][ C0] Code: 0c 24 e9 14 ff ff ff 48 89 04 24 e8 a6 05 96 00 48 8b 04 24 eb 88 e8 9b 05 96 00 e9 5f ff ff ff 66 0f 1f 44 00 00 f3 0f 1e fa <0f> 1f 44 00 00 48 ba 00 00 00 00 00 fc ff df 41 57 41 56 41 55 49 [ 1096.417203][ C0] RSP: 0018:ffa0000000007998 EFLAGS: 00000206 [ 1096.417205][ C0] RAX: 1ff4000000000f47 RBX: ffa0000000007a90 RCX: ffa0000000007a98 [ 1096.417206][ C0] RDX: ffa0000000008000 RSI: ffffffff8e992dd1 RDI: ffa00000000079f0 [ 1096.417207][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffffff8f8c025c [ 1096.417207][ C0] R10: 0000000000000000 R11: 0000000000000010 R12: fff3fc0000000f40 [ 1096.417208][ C0] R13: fff3fc0000000f3f R14: ffa0000000007a38 R15: ffa00000000079f0 [ 1096.417211][ C0] FS: 0000000000000000(0000) GS:ff110000a50ed000(0000) knlGS:0000000000000000 [ 1096.417214][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1096.417216][ C0] CR2: 000055585e8d2120 CR3: 000000000fd3a003 CR4: 0000000000771ef0 [ 1096.417217][ C0] PKRU: 55555554 [ 1096.417217][ C0] Call Trace: [ 1096.417219][ C0] [ 1096.417221][ C0] __unwind_start+0x3f6/0x8c0 [ 1096.417226][ C0] ? write_profile+0xf0/0xf0 [ 1096.417230][ C0] arch_stack_walk+0x76/0x100 [ 1096.417235][ C0] ? arch_stack_walk+0x76/0x100 [ 1096.417239][ C0] stack_trace_save+0x93/0xc0 [ 1096.417241][ C0] ? stack_trace_snprint+0xd0/0xd0 [ 1096.417244][ C0] ? __lock_acquire+0x577/0xc10 [ 1096.417248][ C0] kasan_save_stack+0x30/0x50 [ 1096.417267][ C0] kasan_save_track+0x14/0x30 [ 1096.417269][ C0] __kasan_save_free_info+0x3b/0x60 [ 1096.417270][ C0] __kasan_slab_free+0x43/0x70 [ 1096.417273][ C0] kmem_cache_free+0xfe/0x5e0 [ 1096.417277][ C0] ? rcu_is_watching+0x15/0xd0 [ 1096.417279][ C0] ? rcu_do_batch+0x28b/0xfe0 [ 1096.417281][ C0] ? rcu_do_batch+0x35a/0xfe0 [ 1096.417282][ C0] ? rcu_do_batch+0x289/0xfe0 [ 1096.417284][ C0] ? rcu_do_batch+0x28b/0xfe0 [ 1096.417286][ C0] rcu_do_batch+0x28b/0xfe0 [ 1096.417291][ C0] ? trace_rcu_batch_end+0x270/0x270 [ 1096.417293][ C0] ? __lock_release.isra.0+0x59/0x170 [ 1096.417295][ C0] ? mark_held_locks+0x40/0x70 [ 1096.417299][ C0] rcu_core+0x2b4/0x5f0 [ 1096.417302][ C0] handle_softirqs+0x1d7/0x840 [ 1096.417307][ C0] ? tasklet_unlock_wait+0x60/0x60 [ 1096.417309][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 1096.417313][ C0] irq_exit_rcu+0xa2/0xf0 [ 1096.417315][ C0] common_interrupt+0xc9/0x100 [ 1096.417317][ C0] [ 1096.417318][ C0] [ 1096.417320][ C0] asm_common_interrupt+0x26/0x40 [ 1096.417323][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 1096.417325][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 21 82 e3 fd 48 89 df e8 c9 cd e3 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 30 5b d7 fd 65 8b 05 d9 c1 09 02 85 c0 74 12 5b [ 1096.417327][ C0] RSP: 0018:ffa00000000a7b70 EFLAGS: 00000246 [ 1096.417328][ C0] RAX: 0000000000000082 RBX: ff110000010327c0 RCX: ffffffff8e096e63 [ 1096.417329][ C0] RDX: ff11000001a50040 RSI: ffffffff8e9a9aaa RDI: ffffffff8e467200 [ 1096.417329][ C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001 [ 1096.417330][ C0] R10: 0000000000000000 R11: ff110000118e56e0 R12: ff110000100851c0 [ 1096.417331][ C0] R13: 0000000000000000 R14: ffa00000000a7bb8 R15: ff1100000954f6c0 [ 1096.417334][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 1096.417339][ C0] qlist_free_all+0x47/0xe0 [ 1096.417342][ C0] kasan_quarantine_reduce+0x196/0x240 [ 1096.417345][ C0] __kasan_slab_alloc+0x4b/0x70 [ 1096.417348][ C0] __kmalloc_cache_node_noprof+0x230/0x720 [ 1096.417351][ C0] ? lockdep_hardirqs_on+0x84/0x130 [ 1096.417354][ C0] ? create_worker+0xfe/0x6f0 [ 1096.417356][ C0] create_worker+0xfe/0x6f0 [ 1096.417359][ C0] ? worker_enter_idle+0x6a0/0x6a0 [ 1096.417361][ C0] ? add_timer_on+0x4d0/0x4d0 [ 1096.417365][ C0] ? rcu_is_watching+0x15/0xd0 [ 1096.417368][ C0] worker_thread+0x741/0xd40 [ 1096.417375][ C0] ? process_one_work+0x1390/0x1390 [ 1096.417376][ C0] kthread+0x355/0x5b0 [ 1096.417379][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 1096.417380][ C0] ? __lock_release.isra.0+0x59/0x170 [ 1096.417383][ C0] ? rcu_is_watching+0x15/0xd0 [ 1096.417384][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 1096.417386][ C0] ret_from_fork+0x3fb/0x510 [ 1096.417389][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 1096.417393][ C0] ? __switch_to+0x602/0xd00 [ 1096.417396][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 1096.417398][ C0] ret_from_fork_asm+0x11/0x20 [ 1096.417406][ C0] [ 1099.936253][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 1099.936541][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-3): P9/1:b..l [ 1099.936924][ C0] rcu: (detected by 0, t=26002 jiffies, g=300221, q=1179 ncpus=4) [ 1099.937165][ C0] task:kworker/0:0 state:R running task stack:24400 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 1099.937785][ C0] Workqueue: events free_obj_work [ 1099.937957][ C0] Call Trace: [ 1099.938092][ C0] [ 1099.938178][ C0] __schedule+0xae2/0x1720 [ 1099.938350][ C0] ? rcu_is_watching+0x15/0xd0 [ 1099.938513][ C0] ? io_schedule_timeout+0x130/0x130 [ 1099.938675][ C0] ? mark_held_locks+0x40/0x70 [ 1099.938838][ C0] preempt_schedule_irq+0x51/0xa0 [ 1099.939005][ C0] irqentry_exit+0xf4/0x4d0 [ 1099.939172][ C0] ? common_interrupt+0xd6/0x100 [ 1099.939333][ C0] asm_common_interrupt+0x26/0x40 [ 1099.939494][ C0] RIP: 0010:unwind_next_frame+0x132c/0x1cc0 [ 1099.939708][ C0] Code: fc ff df 49 8d 78 02 48 89 f8 48 c1 e8 03 0f b6 0c 10 49 8d 40 03 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 fe 83 e6 07 40 38 f1 <40> 0f 9e c6 84 c9 0f 95 c1 40 84 ce 0f 85 a5 06 00 00 83 e0 07 38 [ 1099.940518][ C0] RSP: 0018:ffa0000000097600 EFLAGS: 00000246 [ 1099.940725][ C0] RAX: ffffffff8fb499e9 RBX: 1ff4000000012ec9 RCX: 0000000000000000 [ 1099.940970][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8fb499e8 [ 1099.941222][ C0] RBP: 0000000000000001 R08: ffffffff8fb499e6 R09: ffffffff8f8cf378 [ 1099.941466][ C0] R10: ffffffff8fb499ea R11: 0000000000000000 R12: ffffffff8fb499eb [ 1099.941711][ C0] R13: ffa0000000097700 R14: ffa0000000097eb0 R15: ff11000001a4c540 [ 1099.941962][ C0] ? kthread+0x355/0x5b0 [ 1099.942090][ C0] ? stack_access_ok+0x1d0/0x1d0 [ 1099.942253][ C0] ? __unwind_start+0x3f6/0x8c0 [ 1099.942415][ C0] ? write_profile+0xf0/0xf0 [ 1099.942576][ C0] arch_stack_walk+0x9b/0x100 [ 1099.942744][ C0] ? ret_from_fork+0x3fb/0x510 [ 1099.942905][ C0] stack_trace_save+0x93/0xc0 [ 1099.943069][ C0] ? stack_trace_snprint+0xd0/0xd0 [ 1099.943229][ C0] ? rcu_read_lock_any_held+0x66/0x90 [ 1099.943395][ C0] kasan_save_stack+0x30/0x50 [ 1099.943556][ C0] ? kasan_save_stack+0x30/0x50 [ 1099.943714][ C0] ? kasan_save_track+0x14/0x30 [ 1099.943876][ C0] ? __kasan_save_free_info+0x3b/0x60 [ 1099.944041][ C0] ? __kasan_slab_free+0x43/0x70 [ 1099.944205][ C0] ? kmem_cache_free+0xfe/0x5e0 [ 1099.944365][ C0] ? free_object_list.isra.0+0xf7/0x2e0 [ 1099.944525][ C0] ? free_obj_work+0x1a6/0x410 [ 1099.944685][ C0] ? process_one_work+0xd57/0x1390 [ 1099.944844][ C0] ? worker_thread+0x4d6/0xd40 [ 1099.945004][ C0] ? kthread+0x355/0x5b0 [ 1099.945145][ C0] kasan_save_track+0x14/0x30 [ 1099.945304][ C0] __kasan_save_free_info+0x3b/0x60 [ 1099.945464][ C0] __kasan_slab_free+0x43/0x70 [ 1099.945623][ C0] kmem_cache_free+0xfe/0x5e0 [ 1099.945785][ C0] ? free_object_list.isra.0+0xf7/0x2e0 [ 1099.945945][ C0] ? find_held_lock+0x2b/0x80 [ 1099.946111][ C0] ? free_object_list.isra.0+0xf7/0x2e0 [ 1099.946275][ C0] free_object_list.isra.0+0xf7/0x2e0 [ 1099.946436][ C0] free_obj_work+0x1a6/0x410 [ 1099.946596][ C0] ? process_one_work+0xd16/0x1390 [ 1099.946753][ C0] ? object_cpu_offline+0x350/0x350 [ 1099.946914][ C0] ? rcu_is_watching+0x15/0xd0 [ 1099.947079][ C0] ? process_one_work+0xd16/0x1390 [ 1099.947237][ C0] ? lock_acquire+0x10a/0x150 [ 1099.947402][ C0] ? rcu_is_watching+0x15/0xd0 [ 1099.947562][ C0] process_one_work+0xd57/0x1390 [ 1099.947726][ C0] ? pwq_dec_nr_in_flight+0x700/0x700 [ 1099.947884][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 1099.948045][ C0] ? assign_work+0x152/0x380 [ 1099.948210][ C0] worker_thread+0x4d6/0xd40 [ 1099.948373][ C0] ? process_one_work+0x1390/0x1390 [ 1099.948534][ C0] kthread+0x355/0x5b0 [ 1099.948660][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 1099.948820][ C0] ? __lock_release.isra.0+0x59/0x170 [ 1099.948980][ C0] ? rcu_is_watching+0x15/0xd0 [ 1099.949142][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 1099.949302][ C0] ret_from_fork+0x3fb/0x510 [ 1099.949462][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 1099.949660][ C0] ? __switch_to+0x602/0xd00 [ 1099.949827][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 1099.949989][ C0] ret_from_fork_asm+0x11/0x20 [ 1099.950160][ C0] [ 1109.800293][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 23870081867 wd_nsec: 23870083203