------------[ cut here ]------------
WARNING: CPU: 1 PID: 6883 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
WARNING: CPU: 1 PID: 6883 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
WARNING: CPU: 1 PID: 6883 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Modules linked in:
CPU: 1 UID: 0 PID: 6883 Comm: syz-executor101 Not tainted 6.13.0-rc6-syzkaller-00051-geea6e4b4dfb8 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
RIP: 0010:__ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Code: 00 89 df 44 89 e6 e8 73 0b ee f6 44 38 e3 72 a1 e8 89 11 ee f6 48 89 ef e8 71 e7 45 f7 31 ed e9 9c fe ff ff e8 75 11 ee f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 a0 28 2d 90 48 89 04 24
RSP: 0018:ffffc900006b0b70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8aabfde2
RDX: ffff888021220000 RSI: ffffffff8aac075b RDI: 0000000000000001
RBP: ffffc900006b0c20 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: ffff88803254a800
R13: 0000000000000041 R14: ffff88802cfe8d80 R15: ffff88802cfea9d0
FS:  000055557e97f480(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020a21000 CR3: 000000002b99c000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5596
 ieee80211_beacon_get include/net/mac80211.h:5635 [inline]
 mac80211_hwsim_beacon_tx+0x4ea/0xa10 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
 __iterate_interfaces+0x2e5/0x640 net/mac80211/util.c:758
 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:794
 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1803
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1820
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 2a 51 4a f6 48 89 df e8 82 d0 4a f6 e8 1d 51 75 f6 fb bf 01 00 00 00 <e8> 72 b5 3b f6 65 8b 05 e3 70 d7 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc900049877f0 EFLAGS: 00000206
RAX: 000000000000a76f RBX: ffff88802edc37e8 RCX: 1ffffffff2dd41c6
RDX: 0000000000000000 RSI: ffffffff8b6cd9e0 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff2dca3b1
R10: ffffffff96e51d8f R11: 0000000000000003 R12: ffff88802edc37e0
R13: ffffc90004987860 R14: 0000000000000cc0 R15: ffff88804a492c00
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 shmem_add_to_page_cache+0x601/0x9b0 mm/shmem.c:835
 shmem_alloc_and_add_folio+0x65f/0xc00 mm/shmem.c:1864
 shmem_get_folio_gfp+0x689/0x1530 mm/shmem.c:2358
 shmem_get_folio mm/shmem.c:2464 [inline]
 shmem_write_begin+0x161/0x300 mm/shmem.c:3120
 generic_perform_write+0x2ba/0x920 mm/filemap.c:4046
 shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3296
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe0e8c88399
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 1f 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffec970d9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe0e8c88399
RDX: 000000000208e24b RSI: 0000000020000340 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec970d9dc
R13: 00007ffec970d9f0 R14: 00007ffec970da30 R15: 00000000000000ea
 </TASK>
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	f3 0f 1e fa          	endbr64
   5:	53                   	push   %rbx
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 2a 51 4a f6       	call   0xf64a5141
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 82 d0 4a f6       	call   0xf64ad0a1
  1f:	e8 1d 51 75 f6       	call   0xf6755141
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 72 b5 3b f6       	call   0xf63bb5a1 <-- trapping instruction
  2f:	65 8b 05 e3 70 d7 74 	mov    %gs:0x74d770e3(%rip),%eax        # 0x74d77119
  36:	85 c0                	test   %eax,%eax
  38:	74 06                	je     0x40
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3