------------[ cut here ]------------ in_task() && kcov_mode_enabled(mode) WARNING: kernel/kcov.c:872 at kcov_remote_start+0x152/0x660 kernel/kcov.c:872, CPU#1: syz.1.71/6189 Modules linked in: CPU: 1 UID: 0 PID: 6189 Comm: syz.1.71 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:kcov_remote_start+0x152/0x660 kernel/kcov.c:872 Code: 85 ed 74 0f 4d 3b 75 00 74 6a 4d 8b 6d 10 4d 85 ed 75 e8 48 c7 c7 40 94 66 8e e8 b9 3b 71 09 eb 0c 81 e2 ff ff ff bf 74 a7 90 <0f> 0b 90 e8 16 74 6e 09 44 8b 15 6f d9 ec 18 89 c0 48 03 1c c5 20 RSP: 0018:ffffc9000b967448 EFLAGS: 00010002 RAX: 0000000080000200 RBX: ffffffff93e4d108 RCX: 0000000000000001 RDX: 0000000000000002 RSI: ffffffff8dc1cf03 RDI: ffffffff8bfa3320 RBP: ffff888027c55b80 R08: ffffffff95f0aeb0 R09: 000000000000001c R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000200 R13: ffff8880b8529108 R14: 0000000000000000 R15: 000000000000000c FS: 00007fe51b8066c0(0000) GS:ffff8881246dc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055dbddb83000 CR3: 000000007970e000 CR4: 0000000000350ef0 Call Trace: kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0x497/0x2df0 net/mac80211/rx.c:5526 ieee80211_rx_napi+0xdc/0x400 net/mac80211/rx.c:5567 ieee80211_rx include/net/mac80211.h:5216 [inline] ieee80211_handle_queued_frames+0xc8/0x120 net/mac80211/main.c:452 ieee80211_stop_device+0x32/0x110 net/mac80211/util.c:1563 ieee80211_do_stop+0x1be8/0x2600 net/mac80211/iface.c:738 ieee80211_stop+0x169/0x320 net/mac80211/iface.c:832 __dev_close_many+0x30d/0x700 net/core/dev.c:1769 netif_close_many+0x233/0x630 net/core/dev.c:1794 netif_close net/core/dev.c:1811 [inline] netif_close+0x17f/0x230 net/core/dev.c:1805 dev_close+0xaa/0x240 net/core/dev_api.c:220 cfg80211_shutdown_all_interfaces+0x9a/0x200 net/wireless/core.c:280 cfg80211_rfkill_set_block net/wireless/core.c:310 [inline] cfg80211_rfkill_set_block+0x35/0x50 net/wireless/core.c:302 rfkill_set_block+0x205/0x510 net/rfkill/core.c:346 rfkill_fop_write+0x2c0/0x580 net/rfkill/core.c:1301 vfs_write+0x2aa/0x1070 fs/read_write.c:684 ksys_write+0x1f8/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe51a99aeb9 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:00007fe51b806028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fe51ac16180 RCX: 00007fe51a99aeb9 RDX: 0000000000000008 RSI: 0000200000000080 RDI: 000000000000000b RBP: 00007fe51aa08c1f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe51ac16218 R14: 00007fe51ac16180 R15: 00007ffe5ecdf1c8