------------[ cut here ]------------
WARNING: CPU: 1 PID: 5144 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 1 PID: 5144 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Modules linked in:
CPU: 1 PID: 5144 Comm: syz.4.191 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 01 51 3a f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 f0 50 3a f8 0f 0b e9 3c ef ff ff e8 e4 50 3a f8 <0f> 0b e9 b8 f2 ff ff e8 98 f2 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000dd08c0 EFLAGS: 00010246
RAX: ffffffff893d7b2c RBX: ffff88805f4d0c80 RCX: ffff888020925940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0ae8 R08: ffff888020925940 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880784eb200
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba128
FS:  00007f3dd65346c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3e6061 CR3: 000000005388e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__unix_dgram_recvmsg+0x955/0xd50 net/unix/af_unix.c:2387
Code: 84 c0 0f 85 88 03 00 00 8b 1a bf ff ff ff ff 89 de e8 cf 4b ef f8 85 db 0f 89 b3 01 00 00 e8 62 48 ef f8 4c 8b 74 24 28 eb 05 <e8> 56 48 ef f8 8b 5c 24 24 89 de 83 e6 20 31 ff e8 a6 4b ef f8 83
RSP: 0018:ffffc900030ff760 EFLAGS: 00000246
RAX: 1ffff110054e6dbf RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000e12a000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900030ff8f0 R08: dffffc0000000000 R09: ffffed100c0c760d
R10: ffffed100c0c760d R11: 1ffff1100c0c760c R12: dffffc0000000000
R13: ffffc900030ffd40 R14: 1ffff9200061fefc R15: ffff88802a736dc0
 ____sys_recvmsg+0x291/0x580 net/socket.c:-1
 ___sys_recvmsg+0x1af/0x4f0 net/socket.c:2707
 do_recvmmsg+0x344/0x7a0 net/socket.c:2801
 __sys_recvmmsg net/socket.c:2880 [inline]
 __do_sys_recvmmsg net/socket.c:2903 [inline]
 __se_sys_recvmmsg net/socket.c:2896 [inline]
 __x64_sys_recvmmsg+0x18d/0x240 net/socket.c:2896
 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: 0033:0x7f3dd82ee6c9
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:00007f3dd6534038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f3dd8545090 RCX: 00007f3dd82ee6c9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000007
RBP: 00007f3dd8370f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3dd8545128 R14: 00007f3dd8545090 R15: 00007ffcc1246188
 </TASK>
----------------
Code disassembly (best guess):
   0:	84 c0                	test   %al,%al
   2:	0f 85 88 03 00 00    	jne    0x390
   8:	8b 1a                	mov    (%rdx),%ebx
   a:	bf ff ff ff ff       	mov    $0xffffffff,%edi
   f:	89 de                	mov    %ebx,%esi
  11:	e8 cf 4b ef f8       	call   0xf8ef4be5
  16:	85 db                	test   %ebx,%ebx
  18:	0f 89 b3 01 00 00    	jns    0x1d1
  1e:	e8 62 48 ef f8       	call   0xf8ef4885
  23:	4c 8b 74 24 28       	mov    0x28(%rsp),%r14
  28:	eb 05                	jmp    0x2f
* 2a:	e8 56 48 ef f8       	call   0xf8ef4885 <-- trapping instruction
  2f:	8b 5c 24 24          	mov    0x24(%rsp),%ebx
  33:	89 de                	mov    %ebx,%esi
  35:	83 e6 20             	and    $0x20,%esi
  38:	31 ff                	xor    %edi,%edi
  3a:	e8 a6 4b ef f8       	call   0xf8ef4be5
  3f:	83                   	.byte 0x83