syzbot

------------[ cut here ]------------
WARNING: CPU: 0 PID: 6120 at kernel/kcov.c:872 kcov_remote_start+0x55a/0x7f0 kernel/kcov.c:872
Modules linked in:
CPU: 0 UID: 0 PID: 6120 Comm: syz.2.34 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:kcov_remote_start+0x55a/0x7f0 kernel/kcov.c:872
Code: ff 4c 89 ff be 03 00 00 00 e8 82 51 08 03 e9 eb fa ff ff e8 38 ee b9 09 f7 c3 00 02 00 00 0f 84 da fa ff ff e9 5a fc ff ff 90 <0f> 0b 90 e8 1e 07 ba 09 89 c0 48 c7 c7 08 d7 a0 92 48 03 3c c5 10
RSP: 0018:ffffc9000b157270 EFLAGS: 00010002
RAX: 0000000080000200 RBX: 0000000000000246 RCX: 0000000000000002
RDX: 0000000000030000 RSI: ffffffff8dba6c8e RDI: ffffffff8be33680
RBP: ffffc9000b1574d0 R08: ffffc9000b156ff0 R09: 0000000000000020
R10: dffffc0000000000 R11: ffffffff819dcc10 R12: ffff8880b8628708
R13: ffffffff81bfb537 R14: ffff88801cbc1e00 R15: 0000000000000000
FS:  00007f4e45d356c0(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7dcfe34fe0 CR3: 000000007621c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kcov_remote_start_common include/linux/kcov.h:50 [inline]
 ieee80211_rx_list+0x52c/0x2a90 net/mac80211/rx.c:5405
 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5446
 ieee80211_rx include/net/mac80211.h:5210 [inline]
 ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:453
 ieee80211_stop_device+0x3e/0xf0 net/mac80211/util.c:1563
 ieee80211_do_stop+0x17e7/0x1fb0 net/mac80211/iface.c:721
 ieee80211_stop+0x1b1/0x240 net/mac80211/iface.c:814
 __dev_close_many+0x361/0x6f0 net/core/dev.c:1755
 netif_close_many+0x225/0x410 net/core/dev.c:1780
 netif_close+0x158/0x210 net/core/dev.c:1797
 dev_close+0x10a/0x220 net/core/dev_api.c:220
 cfg80211_shutdown_all_interfaces+0xd4/0x220 net/wireless/core.c:277
 cfg80211_rfkill_set_block+0x2d/0x50 net/wireless/core.c:307
 rfkill_set_block+0x1d2/0x440 net/rfkill/core.c:346
 rfkill_fop_write+0x44b/0x570 net/rfkill/core.c:1301
 vfs_write+0x27e/0xb30 fs/read_write.c:684
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4e44f8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4e45d35038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4e451b6180 RCX: 00007f4e44f8ebe9
RDX: 0000000000000008 RSI: 0000200000000080 RDI: 000000000000000f
RBP: 00007f4e45011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4e451b6218 R14: 00007f4e451b6180 R15: 00007f4e452dfa28
 </TASK>