------------[ cut here ]------------
WARNING: CPU: 0 PID: 4595 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 0 PID: 4595 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Modules linked in:
CPU: 0 PID: 4595 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Code: f8 0f 0b e9 f1 fa ff ff e8 51 6c 3a f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 40 6c 3a f8 0f 0b e9 3c ef ff ff e8 34 6c 3a f8 <0f> 0b e9 b8 f2 ff ff e8 68 ef 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc900000078c0 EFLAGS: 00010246
RAX: ffffffff893d5e5c RBX: ffff888079404c80 RCX: ffff888028b73b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007ae8 R08: ffff888028b73b80 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888076132200
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000000f28
FS: 00007fa8e668e880(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa1c7707440 CR3: 0000000073483000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202
ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812
__iterate_interfaces+0x243/0x500 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+0x53d/0xc40 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 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:unwind_next_frame+0x3ce/0x1d90 arch/x86/kernel/unwind_orc.c:461
Code: b6 04 28 84 c0 0f 85 87 14 00 00 41 c6 06 01 48 c7 c2 20 84 08 8a 4c 8d 72 04 4c 8d 7a 05 4d 89 f4 49 c1 ec 03 43 0f b6 04 2c <84> c0 48 89 14 24 0f 85 af 13 00 00 4c 89 f8 48 c1 e8 03 42 0f b6
RSP: 0018:ffffc90003a3f128 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffc90003a3f1e8 RCX: ffffffff8d9386f8
RDX: ffffffff8e0d01c2 RSI: ffffffff8e0d01c2 RDI: ffffffff8134794c
RBP: ffffffff8398f36b R08: 0000000000000010 R09: 0000000000000004
R10: fffff52000747e49 R11: 1ffff92000747e47 R12: 1ffffffff1c1a038
R13: dffffc0000000000 R14: ffffffff8e0d01c6 R15: ffffffff8e0d01c7
arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x98/0xe0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc mm/kasan/common.c:513 [inline]
__kasan_kmalloc+0xb5/0xf0 mm/kasan/common.c:522
kmalloc include/linux/slab.h:612 [inline]
tomoyo_realpath_from_path+0x118/0x610 security/tomoyo/realpath.c:254
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x1d5/0x5d0 security/tomoyo/file.c:723
tomoyo_path_mknod+0x13f/0x180 security/tomoyo/tomoyo.c:239
security_path_mknod+0xec/0x140 security/security.c:1147
may_o_create fs/namei.c:3292 [inline]
lookup_open fs/namei.c:3433 [inline]
open_last_lookups fs/namei.c:3540 [inline]
path_openat+0xb6c/0x2f30 fs/namei.c:3747
do_filp_open+0x1b3/0x3e0 fs/namei.c:3777
do_sys_openat2+0x142/0x4a0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__x64_sys_openat+0x135/0x160 fs/open.c:1280
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: 0033:0x7fa8e677c407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffe68893c70 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa8e668e880 RCX: 00007fa8e677c407
RDX: 0000000000080241 RSI: 00007ffe688941d0 RDI: ffffffffffffff9c
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001b6 R11: 0000000000000202 R12: 00005562b4165dfc
R13: 00005562b4165dfc R14: 0000000000000001 R15: 00005562b4180140
----------------
Code disassembly (best guess):
0: b6 04 mov $0x4,%dh
2: 28 84 c0 0f 85 87 14 sub %al,0x1487850f(%rax,%rax,8)
9: 00 00 add %al,(%rax)
b: 41 c6 06 01 movb $0x1,(%r14)
f: 48 c7 c2 20 84 08 8a mov $0xffffffff8a088420,%rdx
16: 4c 8d 72 04 lea 0x4(%rdx),%r14
1a: 4c 8d 7a 05 lea 0x5(%rdx),%r15
1e: 4d 89 f4 mov %r14,%r12
21: 49 c1 ec 03 shr $0x3,%r12
25: 43 0f b6 04 2c movzbl (%r12,%r13,1),%eax
* 2a: 84 c0 test %al,%al <-- trapping instruction
2c: 48 89 14 24 mov %rdx,(%rsp)
30: 0f 85 af 13 00 00 jne 0x13e5
36: 4c 89 f8 mov %r15,%rax
39: 48 c1 e8 03 shr $0x3,%rax
3d: 42 rex.X
3e: 0f .byte 0xf
3f: b6 .byte 0xb6