------------[ cut here ]------------ in_task() && kcov_mode_enabled(mode) WARNING: kernel/kcov.c:884 at kcov_remote_start+0x527/0x7a0 kernel/kcov.c:884, CPU#0: syz.3.1452/11307 Modules linked in: CPU: 0 UID: 0 PID: 11307 Comm: syz.3.1452 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:kcov_remote_start+0x527/0x7a0 kernel/kcov.c:884 Code: 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d0 e4 e8 02 e8 fb 1a e8 09 f7 c3 00 02 00 00 0f 84 0c fb ff ff e9 72 fc ff ff 90 <0f> 0b 90 e8 f1 34 e8 09 89 c0 48 c7 c7 08 5f 1c 93 48 03 3c c5 90 RSP: 0018:ffffc900037c6a98 EFLAGS: 00010002 RAX: 0000000080000200 RBX: 0000000000000246 RCX: 0000000000000002 RDX: 0000000000000003 RSI: ffffffff8e164313 RDI: ffffffff8c27b280 RBP: ffffc900037c6d30 R08: ffffc900037c68a0 R09: 0000000000000020 R10: dffffc0000000000 R11: ffffffff81a1f130 R12: ffff8880b8628f08 R13: ffffffff81c5a308 R14: ffff88802c680000 R15: 0000000000000000 FS: 00007f3b543ee6c0(0000) GS:ffff888125463000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000003a9030 CR3: 0000000079f32000 CR4: 00000000003526f0 Call Trace: kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0xae6/0x3710 net/mac80211/rx.c:5570 ieee80211_rx_napi+0x1b1/0x3e0 net/mac80211/rx.c:5611 ieee80211_rx include/net/mac80211.h:5267 [inline] ieee80211_handle_queued_frames+0xe8/0x1e0 net/mac80211/main.c:452 ieee80211_stop_device+0x3e/0xf0 net/mac80211/util.c:1622 ieee80211_do_stop+0x17fc/0x2010 net/mac80211/iface.c:738 ieee80211_stop+0x1b1/0x240 net/mac80211/iface.c:832 __dev_close_many+0x368/0x6d0 net/core/dev.c:1775 netif_close_many+0x225/0x420 net/core/dev.c:1800 netif_close+0x160/0x220 net/core/dev.c:1817 dev_close+0x10a/0x220 net/core/dev_api.c:220 nl80211_del_interface+0xd2/0x140 net/wireless/nl80211.c:4852 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0x972/0x9f0 net/socket.c:2592 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2683 [inline] __se_sys_sendmsg net/socket.c:2681 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3b5619c799 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:00007f3b543ee028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3b56415fa0 RCX: 00007f3b5619c799 RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000000000000003 RBP: 00007f3b56232bd9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3b56416038 R14: 00007f3b56415fa0 R15: 00007f3b5653fa48