watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.3.1066:5419]
Modules linked in:
CPU: 0 PID: 5419 Comm: syz.3.1066 Tainted: G W 6.1.93-syzkaller-00093-g03a4ae5d9982 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:filter_irq_stacks+0x29/0xa0 kernel/stacktrace.c:396
Code: 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 85 f6 74 72 49 89 fe 41 89 f4 45 31 ff 49 c7 c5 00 00 40 85 48 89 fb eb 0c 49 ff c7 <48> 83 c3 08 4d 39 fc 74 56 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00
RSP: 0018:ffffc90000006f68 EFLAGS: 00000207
RAX: ffffffff8473dcef RBX: ffffc90000007050 RCX: ffffffff852001e0
RDX: 0000000000000000 RSI: 000000000000002c RDI: ffffc90000007010
RBP: ffffc90000006f90 R08: 0000000000000000 R09: 000000000000002b
R10: ffffc90000006f70 R11: dffffc0000000001 R12: 000000000000002c
R13: ffffffff85400000 R14: ffffc90000007010 R15: 0000000000000009
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb873465000 CR3: 000000010e805000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
__stack_depot_save+0x36/0x480 lib/stackdepot.c:439
kasan_save_stack+0x4d/0x60 mm/kasan/common.c:46
__kasan_record_aux_stack+0xb4/0xc0 mm/kasan/generic.c:486
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
__call_rcu_common kernel/rcu/tree.c:2806 [inline]
call_rcu+0xee/0x1340 kernel/rcu/tree.c:2925
call_rcu_hurry include/linux/rcupdate.h:117 [inline]
dst_release+0x9b/0xe0 net/core/dst.c:177
refdst_drop include/net/dst.h:256 [inline]
skb_dst_drop include/net/dst.h:268 [inline]
__dev_queue_xmit+0xa42/0x36e0 net/core/dev.c:4255
dev_queue_xmit include/linux/netdevice.h:3076 [inline]
neigh_connected_output+0x449/0x4d0 net/core/neighbour.c:1592
neigh_output include/net/neighbour.h:552 [inline]
ip6_finish_output2+0x122b/0x1840 net/ipv6/ip6_output.c:134
__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:filter_irq_stacks+0x0/0xa0 kernel/stacktrace.c:393
Code: f9 80 e1 07 80 c1 03 38 c1 0f 8c 61 ff ff ff 4c 89 ff e8 13 f8 56 00 e9 54 ff ff ff e8 b9 6b b3 03 66 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 85 f6 74 72 49 89 fe 41 89
RSP: 0018:ffffc90002217318 EFLAGS: 00000282
RAX: 8e1c7c0e031f5c00 RBX: 0000000000000000 RCX: 0000000000002800
RDX: 0000000000000000 RSI: 0000000000000010 RDI: ffffc900022173e0
RBP: ffffc90002217380 R08: 0000000000000001 R09: 000000000000000f
R10: ffffc90002217310 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000002800 R15: ffffc900022173e0
stack_depot_save+0x13/0x20 lib/stackdepot.c:533
save_stack+0x104/0x1e0 mm/page_owner.c:148
__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
irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:316
irqentry_exit+0x12/0x40 kernel/entry/common.c:419
sysvec_irq_work+0x52/0xb0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:679
RIP: 0033:0x7fd44037cef9
Code: Unable to access opcode bytes at 0x7fd44037cecf.
RSP: 002b:00007fd441211038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fd440535f80 RCX: 00007fd44037cef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007fd4403ef01e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd440535f80 R15: 00007ffd850e1d58
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 354 Comm: kworker/u4:5 Tainted: G W 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:csd_lock_wait kernel/smp.c:453 [inline]
RIP: 0010:smp_call_function_many_cond+0x851/0x930 kernel/smp.c:998
Code: 3e 44 89 fe 83 e6 01 31 ff e8 4b 9f 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 86 9b 09 00 e9 2f ff ff ff f3 90 <42> 0f b6 04 3b 84 c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff ff ff
RSP: 0018:ffffc9000b407840 EFLAGS: 00000293
RAX: ffffffff816c09ec RBX: 1ffff1103ee07a99 RCX: ffff888110fe8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000b407958 R08: ffffffff816c09b5 R09: ffffed103ee271fb
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000800000000 R14: ffff8881f703d4c8 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f11dc135f40 CR3: 0000000006e0f000 CR4: 00000000003506a0
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