watchdog: BUG: soft lockup - CPU#1 stuck for 222s! [syz.4.1456:6522]
Modules linked in:
CPU: 1 PID: 6522 Comm: syz.4.1456 Not tainted 6.1.93-syzkaller-00093-g03a4ae5d9982 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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 57 f1 84 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:ffffc900001afd10 EFLAGS: 00000246
RAX: 1ffff920005a7f60 RBX: ffffc90002d3fb00 RCX: 1ffff92000035fd7
RDX: 1ffff92000035fce RSI: ffffc90002d3faf8 RDI: ffffc900001afeb8
RBP: ffffc900001afdc8 R08: ffffc900001aff48 R09: 0000000000000032
R10: ffffc900001aff50 R11: dffffc0000000001 R12: 1ffff92000035fd4
R13: 0000000000000000 R14: ffffffff81459eea R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feb607f0c6a CR3: 0000000006e0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:315
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
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_free_info+0x2b/0x40 mm/kasan/generic.c:516
____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:249
kasan_slab_free include/linux/kasan.h:178 [inline]
slab_free_hook mm/slub.c:1745 [inline]
slab_free_freelist_hook mm/slub.c:1771 [inline]
slab_free mm/slub.c:3684 [inline]
__kmem_cache_free+0x218/0x3b0 mm/slub.c:3697
kfree+0x7a/0xf0 mm/slab_common.c:1009
skb_free_head net/core/skbuff.c:762 [inline]
skb_release_data+0x616/0x840 net/core/skbuff.c:791
skb_release_all net/core/skbuff.c:856 [inline]
__kfree_skb net/core/skbuff.c:870 [inline]
consume_skb+0xac/0x250 net/core/skbuff.c:1035
netlink_broadcast+0x103c/0x1160 net/netlink/af_netlink.c:1524
nlmsg_multicast include/net/netlink.h:1071 [inline]
nlmsg_notify+0xfb/0x1c0 net/netlink/af_netlink.c:2561
rtnl_notify+0x9c/0xd0 net/core/rtnetlink.c:767
__neigh_notify+0xcc/0x130 net/core/neighbour.c:3515
neigh_cleanup_and_release+0x2c/0x1b0 net/core/neighbour.c:101
neigh_del net/core/neighbour.c:225 [inline]
neigh_remove_one+0x4d5/0x560 net/core/neighbour.c:246
neigh_forced_gc net/core/neighbour.c:279 [inline]
neigh_alloc net/core/neighbour.c:485 [inline]
___neigh_create+0x447/0x1db0 net/core/neighbour.c:648
__neigh_create+0x32/0x40 net/core/neighbour.c:737
ip6_finish_output2+0x9d0/0x1840 net/ipv6/ip6_output.c:125
__ip6_finish_output net/ipv6/ip6_output.c:201 [inline]
ip6_finish_output+0x50f/0xa60 net/ipv6/ip6_output.c:212
NF_HOOK_COND include/linux/netfilter.h:294 [inline]
ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:233
dst_output include/net/dst.h:444 [inline]
NF_HOOK include/linux/netfilter.h:305 [inline]
ndisc_send_skb+0x7cf/0xdc0 net/ipv6/ndisc.c:509
ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:719
addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3984
call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
expire_timers kernel/time/timer.c:1555 [inline]
__run_timers+0x72a/0xa10 kernel/time/timer.c:1826
run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
handle_softirqs+0x1db/0x650 kernel/softirq.c:617
__do_softirq kernel/softirq.c:655 [inline]
invoke_softirq kernel/softirq.c:472 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:704
irq_exit_rcu+0x9/0x10 kernel/softirq.c:716
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:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:7059
Code: 4c 89 e7 e8 f0 f1 9e 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 e4 ad 31 fc fb bf 01 00 00 00 99 e4 ff ff fa bf 01 00 00 00 e8 6e af 31 fc 65 48 8b 1d f6 93
RSP: 0018:ffffc90002d3ef40 EFLAGS: 00000246
RAX: 1ffff1102407db79 RBX: 1ffff920005a7dec RCX: ffffffff851fd900
RDX: 1ffff1102407da25 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90002d3efd8 R08: ffffffff8796a040 R09: ffffffff8796a048
R10: ffffffff8796a058 R11: ffffffff8796a050 R12: ffffc90002d3ef60
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005a7de8
raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:396
irqentry_exit+0x30/0x40 kernel/entry/common.c:439
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:update_stack_state+0x3ed/0x460 arch/x86/kernel/unwind_frame.c:257
Code: df e8 57 f1 84 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 48 89 df e8 d6 f1 84 00 4c 89 33 <43> 80 3c 3c 00 4c 8b 75 b0 74 08 4c 89 f7 e8 20 f1 84 00 b3 01 49
RSP: 0018:ffffc90002d3f0d0 EFLAGS: 00000246
RAX: 1ffff920005a7e4d RBX: ffffc90002d3f268 RCX: 1ffff920005a7e4f
RDX: 1ffff920005a7e46 RSI: ffffc90002d3fed0 RDI: ffffc90002d3f278
RBP: ffffc90002d3f188 R08: ffffc90002d3f308 R09: 000000000000000d
R10: ffffc90002d3f310 R11: dffffc0000000001 R12: 1ffff920005a7e4c
R13: 0000000000000000 R14: ffffffff8163af6a R15: dffffc0000000000
unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:315
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:5803
__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:174
exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f791e57cef9
Code: Unable to access opcode bytes at 0x7f791e57cecf.
RSP: 002b:00007f791f318038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f791e735f80 RCX: 00007f791e57cef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f791e5ef01e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f791e735f80 R15: 00007ffcde07b328
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1382 Comm: kworker/u4:6 Not tainted 6.1.93-syzkaller-00093-g03a4ae5d9982 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x60 kernel/kcov.c:200
Code: 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d e4 e3 fc 05 48 89 de e8 74 69 46 00 5b 5d c3 cc 55 <48> 89 e5 48 8b 45 08 65 48 8b 0d 60 c8 8c 7e 65 8b 15 61 c8 8c 7e
RSP: 0018:ffffc90000a17830 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff1103ee27885 RCX: ffff8881180e3cc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000a17958 R08: ffffffff816c09b5 R09: ffffed103ee071fb
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000800000000 R14: ffff8881f713c428 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cfc1a21e38 CR3: 0000000006e0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1334 [inline]
text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1534
text_poke_flush arch/x86/kernel/alternative.c:1725 [inline]
text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1732
arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
__jump_label_update+0x36a/0x380 kernel/jump_label.c:455
jump_label_update+0x3af/0x450 kernel/jump_label.c:801
static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177
static_key_enable+0x1a/0x30 kernel/jump_label.c:190
toggle_allocation_gate+0xbf/0x450 mm/kfence/core.c:804
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:308