------------[ cut here ]------------
WARNING: CPU: 1 PID: 6382 at net/mac80211/tx.c:5048 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5048 [inline]
WARNING: CPU: 1 PID: 6382 at net/mac80211/tx.c:5048 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459
Modules linked in:
CPU: 1 PID: 6382 Comm: syz.2.168 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:5048 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459
Code: f7 4c 89 ef e8 50 38 b8 f7 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 1b 4c 7a f7 0f 0b e9 61 f8 ff ff e8 0f 4c 7a f7 <0f> 0b e9 85 fb ff ff e8 03 4c 7a f7 48 c7 c7 60 b8 65 8e 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a0d2611 RBX: dffffc0000000000 RCX: ffff888024d75a00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888024d75a00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805eb16440
R13: ffff888021e5e424 R14: ffff88805eb16930 R15: ffff888021e5e400
FS:  00007f26fe41e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf12cd0ff8 CR3: 0000000024042000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5586
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3bd/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x225/0x4c0 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+0x525/0xc10 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
 handle_softirqs+0x27d/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:__scm_recv_common include/net/scm.h:177 [inline]
RIP: 0010:scm_recv_unix+0x6a0/0x850 include/net/scm.h:213
Code: 80 3c 2e 00 4c 8b 64 24 08 74 08 4c 89 ff e8 57 04 a1 f8 4d 8b 37 4c 89 f6 48 83 e6 10 31 ff e8 56 85 48 f8 49 83 e6 10 75 11 <e8> 0b 81 48 f8 e9 2c ff ff ff e8 01 81 48 f8 eb 0f e8 fa 80 48 f8
RSP: 0018:ffffc9000bbbf600 EFLAGS: 00000246
RAX: ffffffff893ef10a RBX: 1ffff92001777ec4 RCX: ffff888024d75a00
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000bbbf710 R08: ffff8880779a6c0f R09: 1ffff1100ef34d81
R10: dffffc0000000000 R11: ffffed100ef34d82 R12: ffffc9000bbbf7a0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880779a6c08
 __unix_dgram_recvmsg+0x9f8/0xd90 net/unix/af_unix.c:2489
 sock_recvmsg_nosec+0x82/0xd0 net/socket.c:1047
 ____sys_recvmsg+0x4d7/0x5d0 net/socket.c:2812
 ___sys_recvmsg+0x214/0x590 net/socket.c:2856
 do_recvmmsg+0x377/0x810 net/socket.c:2950
 __sys_recvmmsg net/socket.c:3029 [inline]
 __do_sys_recvmmsg net/socket.c:3052 [inline]
 __se_sys_recvmmsg net/socket.c:3045 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3045
 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: 0033:0x7f26fd59e0d9
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:00007f26fe41e028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f26fd826090 RCX: 00007f26fd59e0d9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f26fd635024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f26fd826128 R14: 00007f26fd826090 R15: 00007ffebba7efb8
 </TASK>
----------------
Code disassembly (best guess):
   0:	80 3c 2e 00          	cmpb   $0x0,(%rsi,%rbp,1)
   4:	4c 8b 64 24 08       	mov    0x8(%rsp),%r12
   9:	74 08                	je     0x13
   b:	4c 89 ff             	mov    %r15,%rdi
   e:	e8 57 04 a1 f8       	call   0xf8a1046a
  13:	4d 8b 37             	mov    (%r15),%r14
  16:	4c 89 f6             	mov    %r14,%rsi
  19:	48 83 e6 10          	and    $0x10,%rsi
  1d:	31 ff                	xor    %edi,%edi
  1f:	e8 56 85 48 f8       	call   0xf848857a
  24:	49 83 e6 10          	and    $0x10,%r14
  28:	75 11                	jne    0x3b
* 2a:	e8 0b 81 48 f8       	call   0xf848813a <-- trapping instruction
  2f:	e9 2c ff ff ff       	jmp    0xffffff60
  34:	e8 01 81 48 f8       	call   0xf848813a
  39:	eb 0f                	jmp    0x4a
  3b:	e8 fa 80 48 f8       	call   0xf848813a