watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.159:1834]
Modules linked in:
CPU: 1 PID: 1834 Comm: syz.2.159 Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:prandom_u32+0x0/0x290 lib/random32.c:386
Code: 80 e1 07 80 c1 03 38 c1 0f 8c e8 f6 ff ff 48 c7 c7 a8 ac e3 86 e8 50 f5 57 ff e9 d7 f6 ff ff e8 06 c0 5c 02 66 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 38 e8 6a 5b 1a ff
RSP: 0018:ffffc90000170c70 EFLAGS: 00000246
RAX: ffffffff84285ab3 RBX: 000000000000b588 RCX: ffff888117eea780
RDX: 0000000000000102 RSI: 0000000000057e40 RDI: 000000000000b588
RBP: ffffc90000170c90 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff5200002e184 R11: dffffc0000000001 R12: 1ffff110234f2754
R13: ffff88811a793a68 R14: 0000000000057e40 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2dc1aff8 CR3: 000000013bfe6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 addrconf_rs_timer+0x322/0x600 net/ipv6/addrconf.c:3970
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:5065
Code: 4c 89 e7 e8 b0 d6 f6 fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 14 a2 97 fc fb bf 01 00 00 00 <e8> 89 e6 ff ff fa bf 01 00 00 00 e8 9e a3 97 fc 65 48 8b 1d 26 fd
RSP: 0018:ffffc90000eef160 EFLAGS: 00000246
RAX: 1ffff11022fdd636 RBX: 1ffff920001dde30 RCX: ffffffff84b29800
RDX: 1ffffffff0e10808 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000eef1e0 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffc90000eef180
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001dde2c
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:update_stack_state+0x19d/0x460 arch/x86/kernel/unwind_frame.c:218
Code: 4c 89 e7 e8 a5 28 76 00 4d 8b 24 24 48 8b 85 50 ff ff ff 42 80 3c 30 00 74 0c 48 8b bd 70 ff ff ff e8 87 28 76 00 4d 8b 6f 10 <48> 8b 45 b0 42 0f b6 04 30 84 c0 75 7a 45 8b 3f 45 85 ff 48 8b 45
RSP: 0018:ffffc90000eef2d0 EFLAGS: 00000246
RAX: 1ffff920001dde86 RBX: ffffc90000eef448 RCX: ffffc90000eef9b8
RDX: 1ffff920001dde86 RSI: ffffc90000eef9a8 RDI: ffffc90000eef478
RBP: ffffc90000eef388 R08: ffffc90000eef508 R09: 0000000000000006
R10: ffffc90000eef510 R11: dffffc0000000001 R12: ffffc90000ee8000
R13: ffffc90000ef0000 R14: dffffc0000000000 R15: ffffc90000eef420
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 save_stack+0x97/0x240 mm/page_owner.c:146
 __reset_page_owner+0x36/0x150 mm/page_owner.c:174
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page+0x9e/0x370 mm/page_alloc.c:5407
 __free_pages+0x67/0xc0 mm/page_alloc.c:5418
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2301
 __vfree mm/vmalloc.c:2349 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2380
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x33d/0x7b0 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f5c21426ff9
Code: Unable to access opcode bytes at RIP 0x7f5c21426fcf.
RSP: 002b:00007f5c2007f0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f5c215df060 RCX: 00007f5c21426ff9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f5c215df064
RBP: 00007f5c215df058 R08: 00007fff701e10b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5c215df064
R13: 0000000000000000 R14: 00007fff701bab40 R15: 00007fff701bac28
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2472 Comm: kworker/0:5 Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_power_efficient gc_worker
RIP: 0010:__kasan_check_write+0x1/0x20 mm/kasan/shadow.c:36
Code: 49 04 03 31 db eb d3 cc cc 55 48 89 e5 89 f6 48 8b 4d 08 31 d2 e8 ef ed ff ff 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 <48> 89 e5 89 f6 48 8b 4d 08 ba 01 00 00 00 e8 cc ed ff ff 5d c3 66
RSP: 0018:ffffc90000007b10 EFLAGS: 00000086
RAX: 000001a98b3063f2 RBX: 000001a98b3063f2 RCX: 1ffffffff0e10800
RDX: 1ffffffff0e10800 RSI: 0000000000000008 RDI: ffff88811381a9d8
RBP: ffffc90000007b30 R08: ffffffff87084008 R09: ffffffff87084018
R10: ffffffff87084010 R11: ffffffff87084003 R12: ffff88811381a898
R13: 1ffff92000000f70 R14: ffff88811381a800 R15: ffff88811381a958
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556f614a8 CR3: 000000010ce1a000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 perf_swevent_hrtimer+0x115/0x560 kernel/events/core.c:10456
 __run_hrtimer kernel/time/hrtimer.c:1585 [inline]
 __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1649
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1711
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_sysvec_on_irqstack arch/x86/include/asm/irq_stack.h:37 [inline]
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:89 [inline]
 sysvec_apic_timer_interrupt+0x85/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x1/0x90 kernel/kcov.c:283
Code: 03 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 <48> 89 e5 4c 8b 45 08 65 48 8b 15 d0 bc 97 7e 65 8b 05 d5 bc 97 7e
RSP: 0018:ffffc90001f17c88 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001f17d30 R08: ffffffff83ec08d4 R09: fffffbfff0e27b21
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000010000 R14: 0000000100025476 R15: 0000000100025476
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298