------------[ cut here ]------------
WARNING: CPU: 0 PID: 4192 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 0 PID: 4192 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Modules linked in:
CPU: 0 PID: 4192 Comm: syz-executor 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:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Code: f8 0f 0b e9 f1 fa ff ff e8 f1 c2 41 f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 e0 c2 41 f8 0f 0b e9 3c ef ff ff e8 d4 c2 41 f8 <0f> 0b e9 b8 f2 ff ff e8 f8 dd 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc900000078c0 EFLAGS: 00010246
RAX: ffffffff8936093c RBX: ffff88805eeacc80 RCX: ffff88801ade1dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007ae8 R08: ffff88801ade1dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880242a7c00
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000000f28
FS:  00005555839e7500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000a000 CR3: 0000000062b3f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202
 ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
 mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x243/0x500 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+0x53d/0xc40 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 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:btrfs_finish_extent_commit+0x25e/0x630 fs/btrfs/extent-tree.c:2832
Code: 00 48 89 df b9 01 00 00 00 e8 ee 03 00 00 4c 89 ef e8 26 f0 71 06 48 8b bc 24 a0 00 00 00 e8 19 50 0b 00 48 c7 c7 60 82 4a 8a <be> 10 0b 00 00 31 d2 e8 b6 a9 1a fe 2e 2e 2e 31 c0 48 b8 00 00 00
RSP: 0018:ffffc90002edf880 EFLAGS: 00000286
RAX: d54ed2556bad4d00 RBX: ffff88807b6fc000 RCX: d54ed2556bad4d00
RDX: dffffc0000000000 RSI: ffffffff8a59e7e0 RDI: ffffffff8a4a8260
RBP: ffffc90002edf990 R08: dffffc0000000000 R09: fffffbfff1ff5443
R10: fffffbfff1ff5443 R11: 1ffffffff1ff5442 R12: 1ffff1100f6df89d
R13: ffff88807b6fdfa8 R14: ffff888022a161a8 R15: ffff88807b6fc4e8
 btrfs_commit_transaction+0x1dc4/0x3440 fs/btrfs/transaction.c:2480
 close_ctree+0x3d5/0x8c0 fs/btrfs/disk-io.c:4470
 generic_shutdown_super+0x130/0x300 fs/super.c:475
 kill_anon_super+0x36/0x70 fs/super.c:1089
 btrfs_kill_super+0x3d/0x50 fs/btrfs/super.c:2390
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x418/0x4d0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff177dc1a77
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc6b0f41f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007ff177e44d7d RCX: 00007ff177dc1a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6b0f42b0
RBP: 00007ffc6b0f42b0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc6b0f5340
R13: 00007ff177e44d7d R14: 0000000000027532 R15: 00007ffc6b0f5380
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 48 89             	add    %cl,-0x77(%rax)
   3:	df b9 01 00 00 00    	fistpll 0x1(%rcx)
   9:	e8 ee 03 00 00       	call   0x3fc
   e:	4c 89 ef             	mov    %r13,%rdi
  11:	e8 26 f0 71 06       	call   0x671f03c
  16:	48 8b bc 24 a0 00 00 	mov    0xa0(%rsp),%rdi
  1d:	00
  1e:	e8 19 50 0b 00       	call   0xb503c
  23:	48 c7 c7 60 82 4a 8a 	mov    $0xffffffff8a4a8260,%rdi
* 2a:	be 10 0b 00 00       	mov    $0xb10,%esi <-- trapping instruction
  2f:	31 d2                	xor    %edx,%edx
  31:	e8 b6 a9 1a fe       	call   0xfe1aa9ec
  36:	2e 2e 2e 31 c0       	cs cs cs xor %eax,%eax
  3b:	48                   	rex.W
  3c:	b8                   	.byte 0xb8
  3d:	00 00                	add    %al,(%rax)