Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 PID: 11997 Comm: syz.5.1395 Tainted: G S syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
panic+0x2ca/0x720 kernel/panic.c:340
check_panic_on_warn kernel/panic.c:236 [inline]
__warn+0x2e0/0x470 kernel/panic.c:681
__report_bug lib/bug.c:199 [inline]
report_bug+0x2be/0x4f0 lib/bug.c:219
handle_bug+0xcf/0x120 arch/x86/kernel/traps.c:310
exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:345
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:606
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5048 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459
Code: f7 4c 89 ef e8 70 5b ba f7 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 ab 6f 7c f7 0f 0b e9 61 f8 ff ff e8 9f 6f 7c f7 <0f> 0b e9 85 fb ff ff e8 93 6f 7c f7 48 c7 c7 60 bd 65 8e 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a0b01e1 RBX: dffffc0000000000 RCX: ffff88802cb71e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802cb71e00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805b916440
R13: ffff888030d12c24 R14: ffff88805b916930 R15: ffff888030d12c00
ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5586
ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
mac80211_hwsim_beacon_tx+0x3bd/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
__iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:766
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
__run_hrtimer kernel/time/hrtimer.c:1754 [inline]
__hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
handle_softirqs+0x27d/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:finish_task_switch+0x267/0x8f0 kernel/sched/core.c:5256
Code: 2f 09 85 c0 0f 84 30 01 00 00 48 85 db 0f 85 4f 01 00 00 e9 d5 04 00 00 4c 89 e7 e8 93 d0 38 09 e8 1e 19 30 00 fb 4c 8b 65 b8 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc900102df2a0 EFLAGS: 00000286
RAX: d76ca4371e40e600 RBX: 0000000000000000 RCX: d76ca4371e40e600
RDX: dffffc0000000000 RSI: ffffffff8acacbe0 RDI: ffffffff8b1d0ca0
RBP: ffffc900102df2f0 R08: ffffffff8e8c7aef R09: 1ffffffff1d18f5d
R10: dffffc0000000000 R11: fffffbfff1d18f5e R12: ffff88802cb71e00
R13: ffff8880b8f3cfc8 R14: dffffc0000000000 R15: ffff8880b8f3cd48
context_switch kernel/sched/core.c:5385 [inline]
__schedule+0x15b6/0x4660 kernel/sched/core.c:6701
schedule+0xbd/0x170 kernel/sched/core.c:6775
schedule_timeout+0xc1/0x2d0 kernel/time/timer.c:2144
unix_wait_for_peer+0x1f6/0x2f0 net/unix/af_unix.c:1515
unix_dgram_sendmsg+0xee4/0x16e0 net/unix/af_unix.c:2107
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
____sys_sendmsg+0x61b/0x980 net/socket.c:2595
___sys_sendmsg+0x2a6/0x360 net/socket.c:2649
__sys_sendmmsg+0x2ca/0x510 net/socket.c:2735
__do_sys_sendmmsg net/socket.c:2764 [inline]
__se_sys_sendmmsg net/socket.c:2761 [inline]
__x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2761
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f60a399e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f60a483b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f60a3c25fa0 RCX: 00007f60a399e0d9
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007f60a3a35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f60a3c26038 R14: 00007f60a3c25fa0 R15: 00007ffe935a24b8
Kernel Offset: disabled
Rebooting in 86400 seconds..
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 09 85 c0 0f 84 30 or %eax,0x30840fc0(%rbp)
6: 01 00 add %eax,(%rax)
8: 00 48 85 add %cl,-0x7b(%rax)
b: db 0f fisttpl (%rdi)
d: 85 4f 01 test %ecx,0x1(%rdi)
10: 00 00 add %al,(%rax)
12: e9 d5 04 00 00 jmp 0x4ec
17: 4c 89 e7 mov %r12,%rdi
1a: e8 93 d0 38 09 call 0x938d0b2
1f: e8 1e 19 30 00 call 0x301942
24: fb sti
25: 4c 8b 65 b8 mov -0x48(%rbp),%r12
* 29: 49 8d bc 24 f8 15 00 lea 0x15f8(%r12),%rdi <-- trapping instruction
30: 00
31: 48 89 f8 mov %rdi,%rax
34: 48 c1 e8 03 shr $0x3,%rax
38: 42 0f b6 04 30 movzbl (%rax,%r14,1),%eax
3d: 84 c0 test %al,%al