watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.2:13762]
Modules linked in:
CPU: 0 PID: 13762 Comm: syz-executor.2 Not tainted 6.1.78-syzkaller-00145-ge4622d460ed8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:unwind_get_return_address+0x67/0x90 arch/x86/kernel/unwind_frame.c:20
Code: 48 89 df e8 1b c9 84 00 48 8b 3b e8 33 ec 14 00 85 c0 74 14 43 80 3c 37 00 74 08 48 89 df e8 00 c9 84 00 48 8b 03 eb 02 31 c0 <5b> 41 5e 41 5f 5d c3 89 d9 80 e1 07 80 c1 03 38 c1 7c ac 48 89 df
RSP: 0018:ffffc90000007358 EFLAGS: 00000246
RAX: ffffffff81c20c84 RBX: ffffc900000073c8 RCX: ffffffff87767000
RDX: ffffffff8784d901 RSI: ffffc900034af4d0 RDI: ffffffff81c20c84
RBP: ffffc90000007370 R08: ffffc90000007468 R09: 000000000000001c
R10: ffffc90000007470 R11: dffffc0000000001 R12: ffff888117ab0000
R13: ffffffff816594d0 R14: dffffc0000000000 R15: 1ffff92000000e79
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000006e0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x9c/0xb0 mm/kasan/common.c:388
kasan_kmalloc include/linux/kasan.h:212 [inline]
kmalloc_trace+0x44/0xa0 mm/slab_common.c:1052
kmalloc include/linux/slab.h:553 [inline]
kzalloc include/linux/slab.h:689 [inline]
ref_tracker_alloc+0x138/0x450 lib/ref_tracker.c:85
__netdev_tracker_alloc include/linux/netdevice.h:4063 [inline]
netdev_hold include/linux/netdevice.h:4092 [inline]
dst_init+0xe1/0x400 net/core/dst.c:52
dst_alloc+0x18a/0x1e0 net/core/dst.c:96
ip6_dst_alloc net/ipv6/route.c:345 [inline]
icmp6_dst_alloc+0xf8/0x510 net/ipv6/route.c:3266
ndisc_send_skb+0x28b/0xdc0 net/ipv6/ndisc.c:489
ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:719
addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3968
call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1480
expire_timers kernel/time/timer.c:1525 [inline]
__run_timers+0x72a/0xa10 kernel/time/timer.c:1796
run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1809
__do_softirq+0x1d8/0x661 kernel/softirq.c:617
invoke_softirq kernel/softirq.c:472 [inline]
__irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700
irq_exit_rcu+0x9/0x10 kernel/softirq.c:712
sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__schedule+0xcaf/0x1550
Code: 44 24 68 42 0f b6 04 28 84 c0 0f 85 83 02 00 00 41 80 24 24 fc 4c 89 f7 48 8b 74 24 20 e8 49 de 01 fc 48 89 c7 e8 71 c6 51 fc <48> 8b 44 24 70 48 c7 84 24 80 00 00 00 0e 36 e0 45 49 c7 44 05 00
RSP: 0018:ffffc900034aeee0 EFLAGS: 00000282
RAX: 0000000080000001 RBX: 1ffff1103ee06f7c RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffc900034aeff0 R08: dffffc0000000000 R09: ffffed1022f56001
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888117ab0000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881f7037be0
preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:7045
raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:390
irqentry_exit+0x30/0x40 kernel/entry/common.c:433
sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:unwind_next_frame+0x31d/0x700 arch/x86/kernel/unwind_frame.c:305
Code: 83 c6 48 4c 89 f0 48 c1 e8 03 80 3c 10 00 74 08 4c 89 f7 e8 c5 c5 84 00 49 c7 06 00 00 00 00 b0 01 e9 8c 02 00 00 4d 8d 6e 50 <4c> 89 eb 48 c1 eb 03 80 3c 13 00 74 12 4c 89 ef e8 fe c4 84 00 48
RSP: 0018:ffffc900034af198 EFLAGS: 00000283
RAX: ffffc900034aff30 RBX: ffffc900034af688 RCX: ffffffff87767000
RDX: dffffc0000000000 RSI: ffffffff81b72241 RDI: ffffc900034aff48
RBP: ffffc900034af210 R08: ffffc900034af308 R09: 0000000000000002
R10: ffffc900034af310 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900034af270 R14: ffffc900034af220 R15: 1ffff92000695e44
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
save_stack+0xf6/0x1e0 mm/page_owner.c:147
__reset_page_owner+0x54/0x190 mm/page_owner.c:168
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1498 [inline]
free_pcp_prepare mm/page_alloc.c:1572 [inline]
free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3498
free_unref_page+0xb2/0x5c0 mm/page_alloc.c:3594
free_the_page mm/page_alloc.c:798 [inline]
__free_pages+0x61/0xf0 mm/page_alloc.c:5801
__vunmap+0x9f3/0xb60 mm/vmalloc.c:2728
__vfree mm/vmalloc.c:2776 [inline]
vfree+0x5c/0x80 mm/vmalloc.c:2807
kcov_put kernel/kcov.c:428 [inline]
kcov_close+0x2b/0x50 kernel/kcov.c:524
__fput+0x3ab/0x870 fs/file_table.c:320
____fput+0x15/0x20 fs/file_table.c:348
task_work_run+0x24d/0x2e0 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xbd5/0x2b80 kernel/exit.c:875
do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
get_signal+0x169d/0x1820 kernel/signal.c:2880
arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:168
exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:310
irqentry_exit+0x12/0x40 kernel/entry/common.c:413
sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0033:0x7fd0c027cf69
Code: Unable to access opcode bytes at 0x7fd0c027cf3f.
RSP: 002b:00007fd0c0f2c0c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fd0c03b3f80 RCX: 00007fd0c027cf69
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007fd0c02da6fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd0c03b3f80 R15: 00007ffd9ec16428
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 339 Comm: kworker/1:3 Not tainted 6.1.78-syzkaller-00145-ge4622d460ed8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events drain_vmap_area_work
RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:207
Code: c0 f9 8c 7e 65 8b 15 c1 f9 8c 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 6c 0b 00 00 00 74 2c 8b 91 48 0b 00 00 <83> fa 02 75 21 48 8b 91 50 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 4c
RSP: 0018:ffffc900094cfa30 EFLAGS: 00000246
RAX: ffffffff816bd88c RBX: 1ffff1103ee07919 RCX: ffff88812f289440
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900094cfa30 R08: ffffffff816bd855 R09: ffffc900094cf980
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000800000000 R14: ffff8881f703c8c8 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f3a0e5000 CR3: 0000000006e0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
csd_lock_wait kernel/smp.c:453 [inline]
smp_call_function_many_cond+0x86c/0x930 kernel/smp.c:998
on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166
on_each_cpu include/linux/smp.h:71 [inline]
flush_tlb_kernel_range+0x49/0x210 arch/x86/mm/tlb.c:1050
__purge_vmap_area_lazy+0x24c/0x1680 mm/vmalloc.c:1760
drain_vmap_area_work+0x3e/0xd0 mm/vmalloc.c:1810
process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299
worker_thread+0xa60/0x1260 kernel/workqueue.c:2446
kthread+0x26d/0x300 kernel/kthread.c:386
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306