------------[ cut here ]------------
WARNING: CPU: 0 PID: 8889 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 0 PID: 8889 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 0 PID: 8889 Comm: syz.4.527 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 5e 86 c2 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 59 ce 84 f7 0f 0b e9 f6 f7 ff ff e8 4d ce 84 f7 <0f> 0b e9 48 fb ff ff e8 41 ce 84 f7 48 c7 c7 e0 4c 64 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff8a0244d3 RBX: ffffffff8a0232d6 RCX: ffff888027bb5a00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888027bb5a00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805ca723c0
R13: dffffc0000000000 R14: ffff88805ca728b0 R15: ffff88805ceb0024
FS:  00007f164985b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1649839ff8 CR3: 0000000075fb9000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5569
 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:1750 [inline]
 __hrtimer_run_queues+0x52a/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
 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:sched_submit_work kernel/sched/core.c:6754 [inline]
RIP: 0010:schedule+0x88/0x170 kernel/sched/core.c:6771
Code: 07 e8 1c ec 98 f9 eb 05 e8 d5 09 cb f6 4c 8d b3 78 12 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 18 ee 52 f7 <49> 8b 3e 48 85 ff 74 0a be 01 00 00 00 e8 f6 5f 7f f9 49 89 de 49
RSP: 0018:ffffc90003807520 EFLAGS: 00000246
RAX: 1ffff11004f76d8f RBX: ffff888027bb5a00 RCX: 0000000000080000
RDX: ffffc90018f7b000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90003807630 R08: ffff8880762b066b R09: 1ffff1100ec560cd
R10: dffffc0000000000 R11: ffffed100ec560ce R12: 1ffff92000700ea8
R13: f8f8f8f8f1f1f1f1 R14: ffff888027bb6c78 R15: dffffc0000000000
 schedule_timeout+0xc1/0x2d0 kernel/time/timer.c:2144
 unix_wait_for_peer+0x1f6/0x2f0 net/unix/af_unix.c:1515
 unix_dgram_sendmsg+0xec2/0x16d0 net/unix/af_unix.c:2105
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x5ba/0x960 net/socket.c:2594
 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2648
 __sys_sendmmsg+0x2ca/0x510 net/socket.c:2734
 __do_sys_sendmmsg net/socket.c:2763 [inline]
 __se_sys_sendmmsg net/socket.c:2760 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2760
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f164899acb9
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:00007f164985b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f1648c15fa0 RCX: 00007f164899acb9
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007f1648a08bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1648c16038 R14: 00007f1648c15fa0 R15: 00007fffb23fb0a8
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	e8 1c ec 98 f9       	call   0xf998ec21
   5:	eb 05                	jmp    0xc
   7:	e8 d5 09 cb f6       	call   0xf6cb09e1
   c:	4c 8d b3 78 12 00 00 	lea    0x1278(%rbx),%r14
  13:	4c 89 f0             	mov    %r14,%rax
  16:	48 c1 e8 03          	shr    $0x3,%rax
  1a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  1f:	74 08                	je     0x29
  21:	4c 89 f7             	mov    %r14,%rdi
  24:	e8 18 ee 52 f7       	call   0xf752ee41
* 29:	49 8b 3e             	mov    (%r14),%rdi <-- trapping instruction
  2c:	48 85 ff             	test   %rdi,%rdi
  2f:	74 0a                	je     0x3b
  31:	be 01 00 00 00       	mov    $0x1,%esi
  36:	e8 f6 5f 7f f9       	call   0xf97f6031
  3b:	49 89 de             	mov    %rbx,%r14
  3e:	49                   	rex.WB