------------[ cut here ]------------
WARNING: CPU: 0 PID: 5548 at net/mac80211/tx.c:4876 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4876 [inline]
WARNING: CPU: 0 PID: 5548 at net/mac80211/tx.c:4876 __ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5100
Modules linked in:
CPU: 0 PID: 5548 Comm: syz.3.290 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4876 [inline]
RIP: 0010:__ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5100
Code: 26 f8 0f 0b 4f 89 64 2f 04 4f 89 64 2f 0c 43 c6 44 2f 14 f8 e9 19 fe ff ff e8 82 68 26 f8 0f 0b e9 16 ef ff ff e8 76 68 26 f8 <0f> 0b e9 7c f2 ff ff e8 3a 80 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0000:ffffc900000078c0 EFLAGS: 00010246
RAX: ffffffff8952943a RBX: ffff888075219a00 RCX: ffff88807b8e5940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007af8 R08: ffff88807b8e5940 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: f8f8f8f8f8f8f8f8
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000000f28
FS:  00007fd2bd1cc6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000d6c030 CR3: 000000007d1bb000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5219
 ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
 mac80211_hwsim_beacon_tx+0x104/0x900 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x225/0x4c0 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+0x4ea/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 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:lock_is_held_type+0x9/0x190 kernel/locking/lockdep.c:5651
Code: 80 2a 2b 8a 48 c7 c6 c0 2a 2b 8a e8 f1 12 f5 ff 0f 0b eb bf e8 98 fd ff ff 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 <53> 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 bd ff ff
RSP: 0000:ffffc900032cf470 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff92000659e9c RCX: ffff88807b8e5940
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8c31efc0
RBP: ffffc900032cf5b0 R08: ffffffff889b1858 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000659f04 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffc900032cf880 R15: 0000000000000000
 lock_is_held include/linux/lockdep.h:287 [inline]
 ___might_sleep+0x9b/0x610 kernel/sched/core.c:9624
 __mutex_lock_common+0xd3/0x2400 kernel/locking/mutex.c:573
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 __unix_dgram_recvmsg+0x1f8/0xd50 net/unix/af_unix.c:2312
 ____sys_recvmsg+0x2ca/0x5b0 net/socket.c:-1
 ___sys_recvmsg+0x213/0x5c0 net/socket.c:2707
 do_recvmmsg+0x360/0x7f0 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+0x195/0x250 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: 0033:0x7fd2bef950d9
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:00007fd2bd1cc028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fd2bf21d090 RCX: 00007fd2bef950d9
RDX: 00000000080002c1 RSI: 0000200000000040 RDI: 0000000000000003
RBP: 00007fd2bf02c024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd2bf21d128 R14: 00007fd2bf21d090 R15: 00007fff97bee0d8
 </TASK>
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	48 c7 c6 c0 2a 2b 8a 	mov    $0xffffffff8a2b2ac0,%rsi
   7:	e8 f1 12 f5 ff       	call   0xfff512fd
   c:	0f 0b                	ud2
   e:	eb bf                	jmp    0xffffffcf
  10:	e8 98 fd ff ff       	call   0xfffffdad
  15:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  1c:	00
  1d:	55                   	push   %rbp
  1e:	41 57                	push   %r15
  20:	41 56                	push   %r14
  22:	41 55                	push   %r13
  24:	41 54                	push   %r12
* 26:	53                   	push   %rbx <-- trapping instruction
  27:	48 83 ec 10          	sub    $0x10,%rsp
  2b:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  32:	00 00
  34:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  39:	bd                   	.byte 0xbd
  3a:	ff                   	(bad)
  3b:	ff                   	.byte 0xff