------------[ cut here ]------------
WARNING: CPU: 1 PID: 8198 at kernel/kcov.c:872 kcov_remote_start+0x542/0x7d0 kernel/kcov.c:872
Modules linked in:
CPU: 1 UID: 0 PID: 8198 Comm: syz.3.472 Not tainted 6.15.0-rc2-syzkaller-00042-g1a1d569a75f3 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:kcov_remote_start+0x542/0x7d0 kernel/kcov.c:872
Code: 4c 89 ff be 03 00 00 00 e8 8b 98 41 03 e9 04 fb ff ff e8 c1 5e 6d 0a 41 f7 c6 00 02 00 00 0f 84 f2 fa ff ff e9 7f fc ff ff 90 <0f> 0b 90 e8 d6 7b 6d 0a 89 c0 48 c7 c7 68 53 69 93 48 03 3c c5 10
RSP: 0018:ffffc900033671d0 EFLAGS: 00010002
RAX: 0000000080000200 RBX: ffff888025fc5a00 RCX: 0000000000000002
RDX: 0000000000030000 RSI: ffffffff8e4fde72 RDI: ffffffff8ca1b760
RBP: 0000000000000000 R08: ffffc90003366f40 R09: 0000000000000020
R10: 0000000000000000 R11: ffffffff819f6e30 R12: ffffffff81c35ed7
R13: dffffc0000000000 R14: 0000000000000246 R15: ffff8880b8728368
FS:  0000000000000000(0000) GS:ffff888125093000(0063) knlGS:00000000f5036b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000055fcf55fdee0 CR3: 00000000405ae000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kcov_remote_start_common include/linux/kcov.h:50 [inline]
 ieee80211_rx_list+0x53e/0x3490 net/mac80211/rx.c:5398
 ieee80211_rx_napi+0x187/0x3c0 net/mac80211/rx.c:5439
 ieee80211_rx include/net/mac80211.h:5179 [inline]
 ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:441
 ieee80211_stop_device+0x3f/0xf0 net/mac80211/util.c:1574
 ieee80211_do_stop+0x1dfa/0x23a0 net/mac80211/iface.c:715
 ieee80211_stop+0x43b/0x490 net/mac80211/iface.c:775
 __dev_close_many+0x3d7/0x760 net/core/dev.c:1700
 dev_close_many+0x250/0x4c0 net/core/dev.c:1725
 netif_close+0x1c2/0x2d0 net/core/dev.c:1742
 dev_close+0x137/0x280 net/core/dev_api.c:219
 cfg80211_shutdown_all_interfaces+0xbb/0x1d0 net/wireless/core.c:277
 cfg80211_rfkill_set_block+0x2d/0x50 net/wireless/core.c:307
 rfkill_set_block+0x1f1/0x440 net/rfkill/core.c:346
 rfkill_fop_write+0x61e/0x7c0 net/rfkill/core.c:1301
 vfs_write+0x2bc/0xd10 fs/read_write.c:682
 ksys_write+0x19d/0x2d0 fs/read_write.c:736
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f17579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f503655c EFLAGS: 00000206 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000080000080
RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	90                   	nop
  33:	90                   	nop
  34:	90                   	nop
  35:	90                   	nop
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop