watchdog: BUG: soft lockup - CPU#0 stuck for 122s! [syz.2.523:2255]
Modules linked in:
CPU: 0 PID: 2255 Comm: syz.2.523 Not tainted 6.1.128-syzkaller-00029-g5145d157731f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:wg_packet_send_keepalive+0xd6/0x1d0 drivers/net/wireguard/send.c:231
Code: 03 42 0f b6 04 38 84 c0 0f 85 c0 00 00 00 83 2b 80 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 2d a2 a3 fe 49 8b 1e <48> 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 14 a2 a3 fe
RSP: 0018:ffffc90000007cd8 EFLAGS: 00000246
RAX: 1ffff110224462c4 RBX: ffff888111590a80 RCX: ffff888118796540
RDX: 0000000000000100 RSI: 0000000000000004 RDI: ffff8881344faea8
RBP: ffffc90000007d08 R08: dffffc0000000000 R09: ffffed10224c2c55
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881344fadc0
R13: ffff888112231688 R14: ffff888112231620 R15: dffffc0000000000
FS: 00007fb630df06c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000005b8000 CR3: 000000013415e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
<IRQ>
wg_expired_send_persistent_keepalive+0x53/0x80 drivers/net/wireguard/timers.c:141
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:624
__do_softirq kernel/softirq.c:662 [inline]
invoke_softirq kernel/softirq.c:479 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:711
irq_exit_rcu+0x9/0x10 kernel/softirq.c:723
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:7059
Code: 4c 89 e7 e8 e0 47 9c 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 04 b2 2e fc fb bf 01 00 00 00 <e8> 99 e4 ff ff fa bf 01 00 00 00 e8 8e b3 2e fc 65 48 8b 1d 66 75
RSP: 0018:ffffc90000a17b80 EFLAGS: 00000246
RAX: 1ffff110230f2e01 RBX: 1ffff92000142f74 RCX: ffffffff8522f700
RDX: 1ffffffff0f6e400 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000a17c08 R08: ffffffff87b72000 R09: ffffffff87b72008
R10: ffffffff87b72018 R11: ffffffff87b72010 R12: ffffc90000a17ba0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000142f70
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+0x64/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:do_futex+0x149/0x9a0 kernel/futex/syscalls.c:105
Code: 9d 76 0a 00 41 83 ff 0d 0f 87 7f 02 00 00 42 ff 24 ed 20 4c 8b 85 e8 c6 71 0a 00 48 bb 00 00 00 00 00 fc ff df 48 8b 54 24 18 <0f> b6 04 1a 84 c0 0f 85 58 05 00 00 c7 44 24 60 ff ff ff ff 4c 8b
RSP: 0018:ffffc90000a17d00 EFLAGS: 00000293
RAX: ffffffff816b24ca RBX: dffffc0000000000 RCX: ffff888118796540
RDX: 1ffff92000142fac RSI: ffffffff871d0860 RDI: 0000000000000000
RBP: ffffc90000a17dc8 R08: 0000000000000005 R09: ffffffff816b24b3
R10: 000000000000000d R11: ffff888118796540 R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff92000142fae R15: 0000000000000000
__do_sys_futex kernel/futex/syscalls.c:185 [inline]
__se_sys_futex+0x35e/0x3c0 kernel/futex/syscalls.c:166
__x64_sys_futex+0xe5/0x100 kernel/futex/syscalls.c:166
x64_sys_call+0x561/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:203
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb62ff8d169
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:00007fb630df00e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fb6301a6168 RCX: 00007fb62ff8d169
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb6301a6168
RBP: 00007fb6301a6160 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb6301a616c
R13: 0000000000000000 R14: 00007fffce184490 R15: 00007fffce184578
</TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2254 Comm: syz.2.523 Not tainted 6.1.128-syzkaller-00029-g5145d157731f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:llist_add_batch+0x1/0x1d0 lib/llist.c:28
Code: 55 fe fe 4c 89 e0 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6f 55 fe fe eb e7 cc cc cc cc cc cc cc cc cc cc cc cc cc 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 00 00
RSP: 0000:ffffc900001b0400 EFLAGS: 00000086
RAX: 1ffffffff0ce9d33 RBX: ffffffff8674e998 RCX: ffff888118790000
RDX: ffff8881f6f331b8 RSI: ffff8881f6f32f88 RDI: ffff8881f6f32f88
RBP: ffffc900001b0430 R08: ffffffff81840455 R09: ffffed103ede65f3
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881f6f32f88 R15: dffffc0000000000
FS: 00007fb630e116c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2b1f58 CR3: 000000013415e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
<NMI>
</NMI>
<IRQ>
irq_work_queue+0xaa/0x160 kernel/irq_work.c:114
bpf_send_signal_common+0x2ba/0x420 kernel/trace/bpf_trace.c:878
____bpf_send_signal_thread kernel/trace/bpf_trace.c:899 [inline]
bpf_send_signal_thread+0x16/0x20 kernel/trace/bpf_trace.c:897
bpf_prog_5197b192823fa451+0x1a/0x21
bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
__bpf_prog_run include/linux/filter.h:603 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2282 [inline]
bpf_trace_run5+0x1ab/0x2f0 kernel/trace/bpf_trace.c:2324
__bpf_trace_signal_generate+0x3c/0x50 include/trace/events/signal.h:50
trace_signal_generate include/trace/events/signal.h:50 [inline]
__send_signal_locked+0xbda/0xc30 kernel/signal.c:1206
send_signal_locked+0x43a/0x590 kernel/signal.c:1267
do_send_sig_info+0xde/0x230 kernel/signal.c:1310
send_sig_info kernel/signal.c:1659 [inline]
send_sig_perf+0x1a4/0x280 kernel/signal.c:1853
perf_sigtrap kernel/events/core.c:6556 [inline]
__perf_pending_irq kernel/events/core.c:6580 [inline]
perf_pending_irq+0x47d/0x7a0 kernel/events/core.c:6633
irq_work_single kernel/irq_work.c:212 [inline]
irq_work_run_list+0x1d8/0x2f0 kernel/irq_work.c:243
irq_work_run+0x69/0xf0 kernel/irq_work.c:252
__sysvec_irq_work+0x63/0x1b0 arch/x86/kernel/irq_work.c:22
instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
sysvec_irq_work+0x50/0xc0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x60 kernel/kcov.c:215
Code: 40 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 24 50 1d 06 48 89 de e8 94 ec 46 00 5b 5d c3 cc 55 48 89 e5 48 8b 45 08 <65> 48 8b 0d 20 d7 8c 7e 65 8b 15 21 d7 8c 7e 81 e2 00 01 ff 00 74
RSP: 0000:ffffc900001b0af0 EFLAGS: 00000202
RAX: ffffffff84785557 RBX: ffff888131e71400 RCX: ffff888118790000
RDX: ffff888118790000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900001b0af0 R08: ffffffff847853b9 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffc900001b0cc0
R13: dffffc0000000000 R14: ffff888131e71420 R15: 0000000000000001
ipv6_get_ifaddr+0x617/0x640 net/ipv6/addrconf.c:2056
ndisc_send_rs+0x97/0x5f0 net/ipv6/ndisc.c:690
addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:4004
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:624
__do_softirq kernel/softirq.c:662 [inline]
invoke_softirq kernel/softirq.c:479 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:711
irq_exit_rcu+0x9/0x10 kernel/softirq.c:723
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:7059
Code: 4c 89 e7 e8 e0 47 9c 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 04 b2 2e fc fb bf 01 00 00 00 <e8> 99 e4 ff ff fa bf 01 00 00 00 e8 8e b3 2e fc 65 48 8b 1d 66 75
RSP: 0000:ffffc9000073fd40 EFLAGS: 00000246
RAX: 1ffff110230f2159 RBX: 1ffff920000e7fac RCX: ffffffff8522f700
RDX: 1ffffffff0f6e408 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc9000073fdd8 R08: ffffffff87b72040 R09: ffffffff87b72048
R10: ffffffff87b72058 R11: ffffffff87b72050 R12: ffffc9000073fd60
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920000e7fa8
raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:396
irqentry_exit+0x30/0x40 kernel/entry/common.c:439
sysvec_irq_work+0x61/0xc0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:exit_to_user_mode_loop+0x47/0xa0 kernel/entry/common.c:164
Code: 0c 00 00 e8 2b 8d 5d 00 e8 56 8e 03 01 fa e8 d0 8f b8 03 65 48 8b 05 08 97 9e 7e 48 8b 18 f7 c3 0e 30 02 00 74 53 fb f6 c3 08 <74> 05 e8 72 1b bd 03 f7 c3 00 10 00 00 74 08 4c 89 f7 e8 82 e8 3c
RSP: 0000:ffffc9000073fed0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 0000000000000004 RCX: 0000000000010000
RDX: 1ffffffff0f6e408 RSI: 0000000000000004 RDI: ffffc9000073ff58
RBP: ffffc9000073fee0 R08: ffffffff87b72040 R09: ffffffff87b72048
R10: ffffffff87b72058 R11: ffffffff87b72050 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc9000073ff58 R15: ffff888118790000
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+0x61/0xc0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0033:0x7fb62fe5cde1
Code: bf 01 00 00 00 48 8d 04 d5 00 00 00 00 89 54 24 10 48 29 d0 48 8d 15 6e 9a 23 00 48 c1 e0 04 48 01 d0 48 89 44 24 18 48 8b 18 <e8> ea 5a 12 00 85 c0 0f 85 7f 04 00 00 48 ba db 34 b6 d7 82 de 1b
RSP: 002b:00007fb630e11060 EFLAGS: 00000206
RAX: 00007fb6301699c0 RBX: 00007fb630027b0b RCX: 00007fb62ff8d169
RDX: 00007fb630096840 RSI: 00007fb630e11080 RDI: 0000000000000001
RBP: 00007fb6301a6080 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb6301a608c
R13: 0000000000000000 R14: 00007fffce184490 R15: 00007fffce184578
</TASK>