------------[ cut here ]------------ in_task() && kcov_mode_enabled(mode) WARNING: kernel/kcov.c:893 at kcov_remote_start+0x161/0x6d0 kernel/kcov.c:893, CPU#1: syz.2.2047/12294 Modules linked in: CPU: 1 UID: 0 PID: 12294 Comm: syz.2.2047 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 RIP: 0010:kcov_remote_start+0x161/0x6d0 kernel/kcov.c:893 Code: 48 85 db 74 0e 4c 3b 33 74 6a 48 8b 5b 10 48 85 db 75 e9 48 c7 c7 40 65 07 90 e8 4a 43 de 09 eb 0c 81 e2 ff ff ff bf 74 a8 90 <0f> 0b 90 e8 47 51 db 09 44 8b 15 70 2b b7 1a 89 c0 48 03 2c c5 20 RSP: 0000:ffffc9000528ee38 EFLAGS: 00010002 RAX: 8000000000000200 RBX: ffff8880b8129560 RCX: 0000000000000001 RDX: 0000000000000002 RSI: ffffffff8e5f318e RDI: ffffffff8c830d80 RBP: ffffffff95b87560 R08: ffffffff97c631c0 R09: 0000000000000069 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88802cd90000 R13: 0000000000000200 R14: 0000000000000000 R15: 000000000000000c FS: 00007fa6133e16c0(0000) GS:ffff8881225a2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33503ff8 CR3: 0000000076358000 CR4: 00000000003526f0 Call Trace: kcov_remote_start_common include/linux/kcov.h:48 [inline] ieee80211_rx_list+0x51b/0x2020 net/mac80211/rx.c:5747 ieee80211_rx_napi+0xdc/0x400 net/mac80211/rx.c:5790 ieee80211_rx include/net/mac80211.h:5491 [inline] ieee80211_handle_queued_frames+0xc8/0x120 net/mac80211/main.c:452 ieee80211_stop_device+0x32/0x110 net/mac80211/util.c:1659 ieee80211_do_stop+0x1a18/0x2c00 net/mac80211/iface.c:777 ieee80211_stop+0x165/0x2f0 net/mac80211/iface.c:871 __dev_close_many+0x30d/0x700 net/core/dev.c:1836 netif_close_many+0x243/0x810 net/core/dev.c:1862 netif_close net/core/dev.c:1880 [inline] netif_close+0x17f/0x230 net/core/dev.c:1874 dev_close+0xaa/0x240 net/core/dev_api.c:221 nl80211_del_interface+0xf0/0x1a0 net/wireless/nl80211.c:5412 genl_family_rcv_msg_doit+0x214/0x300 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x560/0x800 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2576 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x668/0x950 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x9ac/0x10c0 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:818 [inline] ____sys_sendmsg+0xa99/0xc30 net/socket.c:2715 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2769 __sys_sendmsg+0x160/0x210 net/socket.c:2801 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa61259f559 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:00007fa6133e1028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fa612825fa0 RCX: 00007fa61259f559 RDX: 0000000000000000 RSI: 0000200000000ec0 RDI: 0000000000000003 RBP: 00007fa612636b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa612826038 R14: 00007fa612825fa0 R15: 00007fff5b788038