------------[ cut here ]------------
WARNING: CPU: 1 PID: 3557 at net/mac80211/tx.c:4877 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4877 [inline]
WARNING: CPU: 1 PID: 3557 at net/mac80211/tx.c:4877 __ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5101
Modules linked in:
CPU: 1 PID: 3557 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4877 [inline]
RIP: 0010:__ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5101
Code: 25 f8 0f 0b 4f 89 64 2f 04 4f 89 64 2f 0c 43 c6 44 2f 14 f8 e9 19 fe ff ff e8 92 91 25 f8 0f 0b e9 16 ef ff ff e8 86 91 25 f8 <0f> 0b e9 7c f2 ff ff e8 ba b1 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90000dd08c0 EFLAGS: 00010246
RAX: ffffffff8953831a RBX: ffff88801f8d5800 RCX: ffff88807da13b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0af8 R08: ffff88807da13b80 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: f8f8f8f8f8f8f8f8
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba128
FS: 00007fb6e93b5880(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3291eff8 CR3: 000000002b00f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5220
ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
mac80211_hwsim_beacon_tx+0x104/0x900 drivers/net/wireless/mac80211_hwsim.c:1812
__iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x4ea/0xb60 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
handle_softirqs+0x336/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:locks_remove_posix+0x33b/0x600 fs/locks.c:2662
Code: 74 08 4c 89 ef e8 c5 3e dc ff 49 8b 5d 00 48 85 db 74 2b e8 f7 0a 97 ff 48 8b 3c 24 be 06 00 00 00 48 8d 54 24 40 ff d3 eb 3c e0 0a 97 ff e9 f9 00 00 00 e8 d6 0a 97 ff e9 ef 00 00 00 e8 cc
RSP: 0018:ffffc90002d9fcc0 EFLAGS: 00000246
RAX: 1ffff1100c06c4b2 RBX: 0000000000000000 RCX: ffff88807da13b80
RDX: 0000000000000000 RSI: ffff88807ebb52c0 RDI: ffff88807e4acc80
RBP: ffffc90002d9fec0 R08: ffffffff8d8b1eef R09: 1ffffffff1b163dd
R10: dffffc0000000000 R11: fffffbfff1b163de R12: 1ffff1100fc95994
R13: ffff88807e4acca0 R14: dffffc0000000000 R15: 1ffff920005b3f9c
filp_close+0x106/0x150 fs/open.c:1369
__do_sys_close fs/open.c:1384 [inline]
__se_sys_close fs/open.c:1382 [inline]
__x64_sys_close+0x34/0x70 fs/open.c:1382
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb6e9511a67
Code: 44 00 00 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 01 31 c9 e8 ca 19 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 61 b3 0d 00 f7 d8 64 89 02 b8
RSP: 002b:00007ffcc987b948 EFLAGS: 00000202
ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00005577b4737800 RCX: 00007fb6e9511a67
RDX: fffffffffffff000 RSI: 00007fb6e95edb20 RDI: 000000000000000f
RBP: 00005577b46eb910 R08: 000000000002cd10 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000202 R12: 00005577b46f27b0
R13: 00000000000000fd R14: 00005577763f9be0 R15: 00007ffcc987bc50
----------------
Code disassembly (best guess):
0: 74 08 je 0xa
2: 4c 89 ef mov %r13,%rdi
5: e8 c5 3e dc ff call 0xffdc3ecf
a: 49 8b 5d 00 mov 0x0(%r13),%rbx
e: 48 85 db test %rbx,%rbx
11: 74 2b je 0x3e
13: e8 f7 0a 97 ff call 0xff970b0f
18: 48 8b 3c 24 mov (%rsp),%rdi
1c: be 06 00 00 00 mov $0x6,%esi
21: 48 8d 54 24 40 lea 0x40(%rsp),%rdx
26: ff d3 call *%rbx
28: eb 3c jmp 0x66
* 2a: e8 e0 0a 97 ff call 0xff970b0f <-- trapping instruction
2f: e9 f9 00 00 00 jmp 0x12d
34: e8 d6 0a 97 ff call 0xff970b0f
39: e9 ef 00 00 00 jmp 0x12d
3e: e8 .byte 0xe8
3f: cc int3