------------[ cut here ]------------
WARNING: CPU: 1 PID: 18596 at net/mac80211/tx.c:5033 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
WARNING: CPU: 1 PID: 18596 at net/mac80211/tx.c:5033 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5444
Modules linked in:
CPU: 1 PID: 18596 Comm: syz.4.2457 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5444
Code: 24 4c 89 e7 e8 ae a6 be f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 b9 db 80 f7 0f 0b e9 f6 f7 ff ff e8 ad db 80 f7 <0f> 0b e9 48 fb ff ff e8 a1 db 80 f7 48 c7 c7 a0 d0 64 8e 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a064fe3 RBX: ffffffff8a063de6 RCX: ffff88807d8d3c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88807d8d3c00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888024c6e440
R13: dffffc0000000000 R14: ffff888024c6e930 R15: ffff88806a35d024
FS:  00007f4887b826c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa1885a9d58 CR3: 000000004675d000 CR4: 00000000003526e0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000002
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5571
 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:1754 [inline]
 __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1835
 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:__mutex_trylock_common+0x20/0x260 kernel/locking/mutex.c:104
Code: eb ba 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 00 00 00 89 74 24 0c <49> 89 fe 65 48 8b 04 25 28 00 00 00 48 89 44 24 60 48 bb 00 00 00
RSP: 0018:ffffc900044ff500 EFLAGS: 00000286
RAX: 0000000000000001 RBX: ffff88807b833d30 RCX: eb5e4079c4568000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807b833d30
RBP: ffffc900044ff5b0 R08: ffffffff8e8b666f R09: 1ffffffff1d16ccd
R10: dffffc0000000000 R11: fffffbfff1d16cce R12: 0000000000000000
R13: 1ffff9200089fec8 R14: 0000000000000000 R15: 0000000000000000
 __mutex_trylock kernel/locking/mutex.c:152 [inline]
 __mutex_lock_common kernel/locking/mutex.c:606 [inline]
 __mutex_lock+0x151/0xcc0 kernel/locking/mutex.c:747
 __unix_dgram_recvmsg+0x1fc/0xd90 net/unix/af_unix.c:2409
 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+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4886d9ce59
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:00007f4887b82028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f4887016090 RCX: 00007f4886d9ce59
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f4886e32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4887016128 R14: 00007f4887016090 R15: 00007ffcbf7f9708
 </TASK>
----------------
Code disassembly (best guess):
   0:	eb ba                	jmp    0xffffffbc
   2:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
   9:	00
   a:	f3 0f 1e fa          	endbr64
   e:	55                   	push   %rbp
   f:	48 89 e5             	mov    %rsp,%rbp
  12:	41 57                	push   %r15
  14:	41 56                	push   %r14
  16:	41 55                	push   %r13
  18:	41 54                	push   %r12
  1a:	53                   	push   %rbx
  1b:	48 83 e4 e0          	and    $0xffffffffffffffe0,%rsp
  1f:	48 81 ec 80 00 00 00 	sub    $0x80,%rsp
  26:	89 74 24 0c          	mov    %esi,0xc(%rsp)
* 2a:	49 89 fe             	mov    %rdi,%r14 <-- trapping instruction
  2d:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  34:	00 00
  36:	48 89 44 24 60       	mov    %rax,0x60(%rsp)
  3b:	48                   	rex.W
  3c:	bb                   	.byte 0xbb
  3d:	00 00                	add    %al,(%rax)