------------[ cut here ]------------
WARNING: CPU: 1 PID: 5810 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Modules linked in:
CPU: 1 PID: 5810 Comm: syz.0.428 Not tainted 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline]
RIP: 0010:__ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Code: ff e8 17 34 b5 f7 0f 0b e9 4b fa ff ff e8 0b 34 b5 f7 0f 0b e9 3b fe ff ff e8 ff 33 b5 f7 0f 0b e9 06 ee ff ff e8 f3 33 b5 f7 <0f> 0b e9 91 f0 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 2d ea
RSP: 0018:ffffc90000dd0840 EFLAGS: 00010246
RAX: ffffffff89cb3fed RBX: 0000000000000000 RCX: ffff888022b38000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0a70 R08: ffffffff89cb3078 R09: ffffffff89cb2a4b
R10: 0000000000000003 R11: ffff888022b38000 R12: dffffc0000000000
R13: ffff8880627e4c80 R14: ffff8880627e6298 R15: 1ffff920001ba118
FS: 00007f4cc2a8b6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200fc030 CR3: 000000005d2de000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0xb7/0x950 net/mac80211/tx.c:5194
ieee80211_beacon_get include/net/mac80211.h:4981 [inline]
mac80211_hwsim_beacon_tx+0xe2/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1812
__iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1688 [inline]
__hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
instr_sysvec_call_function_single arch/x86/kernel/smp.c:243 [inline]
sysvec_call_function_single+0x9d/0xc0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:684
RIP: 0010:unix_wait_for_peer+0x1b2/0x330 net/unix/af_unix.c:1298
Code: 89 de 48 83 e6 01 31 ff e8 3b 5a 75 f8 48 83 e3 01 0f 85 b1 00 00 00 49 8d 9e 80 04 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 1d 01 00 00 0f b6 1b 89 de 83 e6 01 31 ff e8 87 58 75
RSP: 0018:ffffc90004417640 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffff88802c7bdc80 RCX: ffff888022b38000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004417730 R08: ffffffff890b1d85 R09: ffffed10058f7b0d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802c7bdec0
R13: dffffc0000000000 R14: ffff88802c7bd800 R15: 1ffff92000882ecc
unix_dgram_sendmsg+0x1441/0x2090 net/unix/af_unix.c:1899
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x59e/0x8f0 net/socket.c:2436
___sys_sendmsg+0x252/0x2e0 net/socket.c:2490
__sys_sendmmsg+0x2bf/0x560 net/socket.c:2576
__do_sys_sendmmsg net/socket.c:2605 [inline]
__se_sys_sendmmsg net/socket.c:2602 [inline]
__x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2602
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4cc4613719
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:00007f4cc2a8b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f4cc47caf80 RCX: 00007f4cc4613719
RDX: 0000000000000651 RSI: 0000000020000000 RDI: 0000000000000007
RBP: 00007f4cc46862be R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4cc47caf80 R15: 00007ffdedbb3368
----------------
Code disassembly (best guess):
0: 89 de mov %ebx,%esi
2: 48 83 e6 01 and $0x1,%rsi
6: 31 ff xor %edi,%edi
8: e8 3b 5a 75 f8 call 0xf8755a48
d: 48 83 e3 01 and $0x1,%rbx
11: 0f 85 b1 00 00 00 jne 0xc8
17: 49 8d 9e 80 04 00 00 lea 0x480(%r14),%rbx
1e: 48 89 d8 mov %rbx,%rax
21: 48 c1 e8 03 shr $0x3,%rax
25: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax
* 2a: 84 c0 test %al,%al <-- trapping instruction
2c: 0f 85 1d 01 00 00 jne 0x14f
32: 0f b6 1b movzbl (%rbx),%ebx
35: 89 de mov %ebx,%esi
37: 83 e6 01 and $0x1,%esi
3a: 31 ff xor %edi,%edi
3c: e8 .byte 0xe8
3d: 87 58 75 xchg %ebx,0x75(%rax)