------------[ cut here ]------------
WARNING: CPU: 0 PID: 13139 at net/mac80211/tx.c:5019 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5019 [inline]
WARNING: CPU: 0 PID: 13139 at net/mac80211/tx.c:5019 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5430
Modules linked in:
CPU: 0 PID: 13139 Comm: syz.9.1891 Not tainted 6.6.93-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5019 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5430
Code: 24 4c 89 e7 e8 ce dd dd f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 19 57 9f f7 0f 0b e9 f6 f7 ff ff e8 0d 57 9f f7 <0f> 0b e9 48 fb ff ff e8 01 57 9f f7 48 c7 c7 e0 28 23 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff89e63fd3 RBX: ffffffff89e62dd6 RCX: ffff8880289c1e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880289c1e00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805b1ee3c0
R13: dffffc0000000000 R14: ffff88805b1ee8b0 R15: ffff88801bbaa824
FS: 00007f64f14786c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f64f0571d60 CR3: 000000005d5e2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5557
ieee80211_beacon_get include/net/mac80211.h:5438 [inline]
mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2260
__iterate_interfaces+0x243/0x500 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:2290
__run_hrtimer kernel/time/hrtimer.c:1755 [inline]
__hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836
handle_softirqs+0x280/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xc7/0x190 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
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__asan_memset+0x22/0x40 mm/kasan/shadow.c:84
Code: 84 00 00 00 00 00 66 90 f3 0f 1e fa 55 41 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 48 89 d6 ba 01 00 00 00 e8 8e ea ff ff <84> c0 74 11 4c 89 f7 89 ee 48 89 da 5b 41 5e 5d e9 b9 f8 87 08 31
RSP: 0018:ffffc900051bf6e0 EFLAGS: 00000256
RAX: 1ffff1100f172e01 RBX: 0000000000000020 RCX: ffffffff891b9a29
RDX: 0000000000000001 RSI: 0000000000000020 RDI: ffffc900051bf7a0
RBP: 0000000000000000 R08: ffffc900051bf7bf R09: 1ffff92000a37ef7
R10: dffffc0000000000 R11: fffff52000a37ef8 R12: ffffc900051bf820
R13: 1ffff92000a37ef0 R14: ffffc900051bf7a0 R15: 7fffffffffffffff
__unix_dgram_recvmsg+0x179/0xd60 net/unix/af_unix.c:2344
sock_recvmsg_nosec+0x82/0xd0 net/socket.c:1046
____sys_recvmsg+0x49b/0x5b0 net/socket.c:2812
___sys_recvmsg+0x1b6/0x510 net/socket.c:2856
do_recvmmsg+0x360/0x7d0 net/socket.c:2950
__sys_recvmmsg net/socket.c:3029 [inline]
__do_sys_recvmmsg net/socket.c:3052 [inline]
__se_sys_recvmmsg net/socket.c:3045 [inline]
__x64_sys_recvmmsg+0x191/0x240 net/socket.c:3045
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f64f058e929
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:00007f64f1478038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f64f07b6080 RCX: 00007f64f058e929
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f64f0610b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f64f07b6080 R15: 00007fffd913e2f8
</TASK>
----------------
Code disassembly (best guess):
0: 84 00 test %al,(%rax)
2: 00 00 add %al,(%rax)
4: 00 00 add %al,(%rax)
6: 66 90 xchg %ax,%ax
8: f3 0f 1e fa endbr64
c: 55 push %rbp
d: 41 56 push %r14
f: 53 push %rbx
10: 48 89 d3 mov %rdx,%rbx
13: 89 f5 mov %esi,%ebp
15: 49 89 fe mov %rdi,%r14
18: 48 8b 4c 24 18 mov 0x18(%rsp),%rcx
1d: 48 89 d6 mov %rdx,%rsi
20: ba 01 00 00 00 mov $0x1,%edx
25: e8 8e ea ff ff call 0xffffeab8
* 2a: 84 c0 test %al,%al <-- trapping instruction
2c: 74 11 je 0x3f
2e: 4c 89 f7 mov %r14,%rdi
31: 89 ee mov %ebp,%esi
33: 48 89 da mov %rbx,%rdx
36: 5b pop %rbx
37: 41 5e pop %r14
39: 5d pop %rbp
3a: e9 b9 f8 87 08 jmp 0x887f8f8
3f: 31 .byte 0x31