watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.0.602:5066]
Modules linked in:
CPU: 1 PID: 5066 Comm: syz.0.602 Tainted: G W 5.10.223-syzkaller-00011-g1c5354a314ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:unwind_next_frame+0x1/0x700 arch/x86/kernel/unwind_frame.c:255
Code: c0 08 5b 41 5e 41 5f 5d c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 99 4c 89 f7 e8 4b 2f 76 00 eb 8f 66 0f 1f 84 00 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 50 49 89 fe 48 ba 00
RSP: 0000:ffffc900001704b0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc900001704c0 RCX: 0000000000170501
RDX: dffffc0000000000 RSI: ffffffff84e00268 RDI: ffffc900001704c0
RBP: ffffc90000170550 R08: ffffc900001705a8 R09: 000000000000000b
R10: ffffc900001705b0 R11: dffffc0000000001 R12: ffff888155412780
R13: ffffffff8159b260 R14: ffffc900001705a0 R15: 0000000000000000
FS: 00007fd4f12d26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd4f106dd58 CR3: 0000000138c39000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:45 [inline]
set_alloc_info mm/kasan/common.c:430 [inline]
__kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:463
kasan_slab_alloc include/linux/kasan.h:244 [inline]
slab_post_alloc_hook+0x61/0x2f0 mm/slab.h:583
slab_alloc_node mm/slub.c:2947 [inline]
slab_alloc mm/slub.c:2955 [inline]
kmem_cache_alloc+0x168/0x2e0 mm/slub.c:2960
dst_alloc+0x17d/0x590 net/core/dst.c:93
ip6_dst_alloc net/ipv6/route.c:340 [inline]
icmp6_dst_alloc+0xfc/0x560 net/ipv6/route.c:3164
ndisc_send_skb+0x25a/0xc00 net/ipv6/ndisc.c:489
ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3963
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
__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:balance_callback kernel/sched/core.c:3950 [inline]
RIP: 0010:__schedule+0xbf1/0x1330 kernel/sched/core.c:4810
Code: 04 28 84 c0 0f 85 de 01 00 00 48 8b 44 24 20 80 20 fc 48 8b 7c 24 10 4c 89 e6 e8 fa 3b 4f fc 48 89 c7 e8 42 40 98 fc 49 89 c6 <49> 8d 9e c0 0b 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48
RSP: 0000:ffffc90001b47da0 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff8881f71561d4 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffc90001b47e98 R08: dffffc0000000000 R09: ffffed102aa824f1
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888155412780
R13: dffffc0000000000 R14: ffff8881f7155fc0 R15: ffff888155412780
schedule+0x13d/0x1d0 kernel/sched/core.c:4882
exit_to_user_mode_loop+0x48/0xd0 kernel/entry/common.c:160
exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
irqentry_exit+0x12/0x60 kernel/entry/common.c:375
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: 0033:0x7fd4f2657ef9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd4f12d2038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fd4f2810f80 RCX: 00007fd4f2657ef9
RDX: 00000000200015c0 RSI: 0000000000005452 RDI: 0000000000000008
RBP: 00007fd4f26ca046 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd4f2810f80 R15: 00007ffdd17cd2a8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4770 Comm: syz.4.558 Tainted: G W 5.10.223-syzkaller-00011-g1c5354a314ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__kasan_check_write+0x15/0x20 mm/kasan/shadow.c:37
Code: 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 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 49 89
RSP: 0018:ffffc90000007298 EFLAGS: 00000056
RAX: 0000000000010101 RBX: 1ffff92000000e58 RCX: ffffffff84b23f95
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88812dcce200
RBP: ffffc90000007340 R08: dffffc0000000000 R09: ffffed1025b99c41
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88812dcce200
R13: 1ffff92000000e54 R14: 0000000000000046 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
kill_fasync_rcu fs/fcntl.c:1013 [inline]
kill_fasync+0xc2/0x250 fs/fcntl.c:1034
perf_event_wakeup kernel/events/core.c:6444 [inline]
perf_pending_event+0x325/0x520 kernel/events/core.c:6500
irq_work_single kernel/irq_work.c:148 [inline]
irq_work_run_list+0x1c4/0x2c0 kernel/irq_work.c:170
irq_work_run+0x69/0xf0 kernel/irq_work.c:179
__sysvec_irq_work+0x66/0x1b0 arch/x86/kernel/irq_work.c:22
run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
sysvec_irq_work+0xb7/0xd0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:661
RIP: 0010:update_stack_state+0x3cc/0x460
Code: 39 06 74 0d 48 89 df e8 42 fc ff ff 49 89 c6 eb 19 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 87 24 76 00 4c 8b 33 <48> 8b 5d d0 48 83 c3 48 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08
RSP: 0018:ffffc900000075b0 EFLAGS: 00000246
RAX: 1ffff92000408fdb RBX: ffffc90002047ed8 RCX: 1ffff92000000eeb
RDX: 1ffff92000000ee2 RSI: ffffc90002047ed0 RDI: ffffc90000007758
RBP: ffffc90000007668 R08: ffffc900000077e8 R09: 000000000000001e
R10: ffffc900000077f0 R11: dffffc0000000001 R12: 1ffff92000000ee8
R13: 0000000000000000 R14: ffffffff8159651b R15: dffffc0000000000
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
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:45 [inline]
set_alloc_info mm/kasan/common.c:430 [inline]
__kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:463
kasan_slab_alloc include/linux/kasan.h:244 [inline]
slab_post_alloc_hook+0x61/0x2f0 mm/slab.h:583
slab_alloc_node mm/slub.c:2947 [inline]
slab_alloc mm/slub.c:2955 [inline]
kmem_cache_alloc+0x168/0x2e0 mm/slub.c:2960
kmem_cache_alloc_node include/linux/slab.h:423 [inline]
__alloc_skb+0x80/0x510 net/core/skbuff.c:200
alloc_skb include/linux/skbuff.h:1126 [inline]
ndisc_alloc_skb+0xf3/0x2d0 net/ipv6/ndisc.c:421
ndisc_send_rs+0x26c/0x6a0 net/ipv6/ndisc.c:687
addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3963
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
__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:balance_callback kernel/sched/core.c:3950 [inline]
RIP: 0010:__schedule+0xbf1/0x1330 kernel/sched/core.c:4810
Code: 04 28 84 c0 0f 85 de 01 00 00 48 8b 44 24 20 80 20 fc 48 8b 7c 24 10 4c 89 e6 e8 fa 3b 4f fc 48 89 c7 e8 42 40 98 fc 49 89 c6 <49> 8d 9e c0 0b 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48
RSP: 0018:ffffc900020472a0 EFLAGS: 00000282
RAX: ffff8881f7055fc0 RBX: ffff8881396c67a0 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90002047388 R08: ffffffff8188e1b9 R09: fffffbfff0dc7553
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810f183b40
R13: dffffc0000000000 R14: ffff8881f7055fc0 R15: 1ffff110272d8cf4
preempt_schedule_common+0x9b/0xf0 kernel/sched/core.c:4963
preempt_schedule+0xd9/0xe0 kernel/sched/core.c:4988
preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:39
__raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock+0x60/0x70 kernel/locking/spinlock.c:183
spin_unlock include/linux/spinlock.h:394 [inline]
zap_pte_range mm/memory.c:1375 [inline]
zap_pmd_range mm/memory.c:1435 [inline]
zap_pud_range mm/memory.c:1464 [inline]
zap_p4d_range mm/memory.c:1485 [inline]
unmap_page_range+0x1c54/0x23b0 mm/memory.c:1506
unmap_single_vma mm/memory.c:1551 [inline]
unmap_vmas+0x37f/0x4f0 mm/memory.c:1583
exit_mmap+0x2f2/0x5c0 mm/mmap.c:3355
__mmput+0x95/0x2d0 kernel/fork.c:1153
mmput+0x59/0x170 kernel/fork.c:1176
exit_mm kernel/exit.c:539 [inline]
do_exit+0xbda/0x2a50 kernel/exit.c:850
do_group_exit+0x141/0x310 kernel/exit.c:985
get_signal+0x10a0/0x1410 kernel/signal.c:2782
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]
irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
irqentry_exit+0x12/0x60 kernel/entry/common.c:375
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: 0033:0x7f14ca155ef9
Code: Unable to access opcode bytes at RIP 0x7f14ca155ecf.
RSP: 002b:00007f14c8dd0038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f14ca30ef80 RCX: 00007f14ca155ef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f14ca1c8046 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f14ca30ef80 R15: 00007ffd85275d08