------------[ cut here ]------------
WARNING: CPU: 0 PID: 4408 at net/mac80211/tx.c:4851 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:-1 [inline]
WARNING: CPU: 0 PID: 4408 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Modules linked in:
CPU: 0 PID: 4408 Comm: syz-executor294 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 a0 a9 f7 0f 0b e9 4b fa ff ff e8 0b a0 a9 f7 0f 0b e9 3b fe ff ff e8 ff 9f a9 f7 0f 0b e9 06 ee ff ff e8 f3 9f a9 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:ffffc90000007840 EFLAGS: 00010246
RAX: ffffffff89d6fccd RBX: 0000000000000000 RCX: ffff88802c6f0000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007a70 R08: ffffffff89d6ed58 R09: ffffffff89d6e72b
R10: 0000000000000003 R11: ffff88802c6f0000 R12: dffffc0000000000
R13: ffff88807d00cc80 R14: ffff88807d00e298 R15: 1ffff92000000f18
FS:  00007f10cddbd6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000252030 CR3: 000000007478e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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_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:__mutex_unlock_slowpath+0x6ff/0x750 kernel/locking/mutex.c:896
Code: 3e ff ff ff 48 8d 9c 24 80 00 00 00 4c 8b 64 24 30 4c 89 e7 e8 d2 0b 01 00 48 89 df e8 fa 22 0f f7 48 c7 44 24 40 0e 36 e0 45 <48> 8b 44 24 38 49 c7 44 05 00 00 00 00 00 41 c7 44 05 0a 00 00 00
RSP: 0018:ffffc9000383f620 EFLAGS: 00000246
RAX: ffff88802c6f0000 RBX: 0000000000000000 RCX: ffffffff8a488cf8
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc9000383f6c0
RBP: ffffc9000383f730 R08: dffffc0000000000 R09: fffff52000707ed9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff2d52bf0
R13: dffffc0000000000 R14: ffff88807c5aa530 R15: 1ffff92000707ed8
 __unix_dgram_recvmsg+0xcbd/0x1260 net/unix/af_unix.c:2385
 ____sys_recvmsg+0x286/0x530 net/socket.c:-1
 ___sys_recvmsg+0x1ec/0x690 net/socket.c:2697
 do_recvmmsg+0x36f/0x8f0 net/socket.c:2791
 __sys_recvmmsg net/socket.c:2870 [inline]
 __do_sys_recvmmsg net/socket.c:2893 [inline]
 __se_sys_recvmmsg net/socket.c:2886 [inline]
 __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2886
 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: 0033:0x7f10cde1f829
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 1a 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f10cddbd218 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f10cdea9438 RCX: 00007f10cde1f829
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f10cdea9430 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00007f10cde7638c
R13: 00002000000001c0 R14: 0000200000000210 R15: 0000200000000200
 </TASK>
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	ff 48 8d             	decl   -0x73(%rax)
   3:	9c                   	pushf
   4:	24 80                	and    $0x80,%al
   6:	00 00                	add    %al,(%rax)
   8:	00 4c 8b 64          	add    %cl,0x64(%rbx,%rcx,4)
   c:	24 30                	and    $0x30,%al
   e:	4c 89 e7             	mov    %r12,%rdi
  11:	e8 d2 0b 01 00       	call   0x10be8
  16:	48 89 df             	mov    %rbx,%rdi
  19:	e8 fa 22 0f f7       	call   0xf70f2318
  1e:	48 c7 44 24 40 0e 36 	movq   $0x45e0360e,0x40(%rsp)
  25:	e0 45
* 27:	48 8b 44 24 38       	mov    0x38(%rsp),%rax <-- trapping instruction
  2c:	49 c7 44 05 00 00 00 	movq   $0x0,0x0(%r13,%rax,1)
  33:	00 00
  35:	41                   	rex.B
  36:	c7                   	.byte 0xc7
  37:	44 05 0a 00 00 00    	rex.R add $0xa,%eax