------------[ cut here ]------------
WARNING: CPU: 0 PID: 29267 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 0 PID: 29267 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 0 PID: 29267 Comm: syz.5.5952 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 de 8c c0 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 d9 ca 82 f7 0f 0b e9 f6 f7 ff ff e8 cd ca 82 f7 <0f> 0b e9 48 fb ff ff e8 c1 ca 82 f7 48 c7 c7 00 86 64 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff8a045733 RBX: ffffffff8a044536 RCX: ffff88801c27bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801c27bc00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88802591a3c0
R13: dffffc0000000000 R14: ffff88802591a8b0 R15: ffff88814cb58024
FS:  00007f0a219f56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0a219f4ff8 CR3: 000000007d1bd000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000006800 DR2: 0000000000009951
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5569
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __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:2295
 __run_hrtimer kernel/time/hrtimer.c:1750 [inline]
 __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
 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+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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:212
Code: 1f 80 00 00 00 00 f3 0f 1e fa 53 48 89 fb e8 13 00 00 00 48 8b 3d 1c f6 03 0d 48 89 de 5b e9 d3 67 57 00 cc cc cc f3 0f 1e fa <48> 8b 04 24 65 48 8b 0d b0 93 7c 7e 65 8b 15 b1 93 7c 7e 81 e2 00
RSP: 0018:ffffc90003857718 EFLAGS: 00000246
RAX: ffffffff893641f6 RBX: 0000000000000000 RCX: ffff88801c27bc00
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003857898 R08: ffff888076c70067 R09: 1ffff1100ed8e00c
R10: dffffc0000000000 R11: ffffed100ed8e00d R12: 1ffff9200070aef0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880666b8b40
 __unix_dgram_recvmsg+0x714/0xd80 net/unix/af_unix.c:2453
 sock_recvmsg_nosec+0x82/0xd0 net/socket.c:1046
 ____sys_recvmsg+0x4e8/0x5e0 net/socket.c:2811
 ___sys_recvmsg+0x216/0x590 net/socket.c:2855
 do_recvmmsg+0x39a/0x870 net/socket.c:2949
 __sys_recvmmsg net/socket.c:3028 [inline]
 __do_sys_recvmmsg net/socket.c:3051 [inline]
 __se_sys_recvmmsg net/socket.c:3044 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3044
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0a20b9cdd9
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:00007f0a219f5028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f0a20e16090 RCX: 00007f0a20b9cdd9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007f0a20c32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0a20e16128 R14: 00007f0a20e16090 R15: 00007fffb3dfb258
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 00                	add    %al,(%rax)
   5:	f3 0f 1e fa          	endbr64
   9:	53                   	push   %rbx
   a:	48 89 fb             	mov    %rdi,%rbx
   d:	e8 13 00 00 00       	call   0x25
  12:	48 8b 3d 1c f6 03 0d 	mov    0xd03f61c(%rip),%rdi        # 0xd03f635
  19:	48 89 de             	mov    %rbx,%rsi
  1c:	5b                   	pop    %rbx
  1d:	e9 d3 67 57 00       	jmp    0x5767f5
  22:	cc                   	int3
  23:	cc                   	int3
  24:	cc                   	int3
  25:	f3 0f 1e fa          	endbr64
* 29:	48 8b 04 24          	mov    (%rsp),%rax <-- trapping instruction
  2d:	65 48 8b 0d b0 93 7c 	mov    %gs:0x7e7c93b0(%rip),%rcx        # 0x7e7c93e5
  34:	7e
  35:	65 8b 15 b1 93 7c 7e 	mov    %gs:0x7e7c93b1(%rip),%edx        # 0x7e7c93ed
  3c:	81                   	.byte 0x81
  3d:	e2 00                	loop   0x3f