------------[ cut here ]------------ in_task() && kcov_mode_enabled(mode) WARNING: kernel/kcov.c:911 at kcov_remote_start+0x55b/0x7e0 kernel/kcov.c:911, CPU#0: syz.3.1699/12511 Modules linked in: CPU: 0 UID: 0 PID: 12511 Comm: syz.3.1699 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:kcov_remote_start+0x55b/0x7e0 kernel/kcov.c:911 Code: f7 c5 00 02 00 00 0f 84 86 fc ff ff fb e9 80 fc ff ff e8 c8 f0 41 0a 41 f7 c5 00 02 00 00 0f 85 67 fc ff ff e9 69 fc ff ff 90 <0f> 0b 90 e8 ad 0e 42 0a 89 c0 48 c7 c7 98 23 e4 94 48 03 3c c5 d0 RSP: 0018:ffffc90003e56ab8 EFLAGS: 00010002 RAX: 8000000000000200 RBX: ffffffff81c9308c RCX: 8000000000000201 RDX: ffff88802f700c28 RSI: ffffffff8ea425cb RDI: ffffffff8c8fcf80 RBP: ffffc90003e56d70 R08: ffffc90003e56898 R09: 0000000000000020 R10: dffffc0000000000 R11: ffffffff81a4a1b0 R12: ffff8880b8229398 R13: 0000000000000246 R14: ffff88802f700000 R15: 0000000000000000 FS: 00007fe5070006c0(0000) GS:ffff8881233e7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c368ec8 CR3: 0000000055efa000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: kcov_remote_start_common include/linux/kcov.h:48 [inline] ieee80211_rx_list+0x973/0x4c10 net/mac80211/rx.c:5747 ieee80211_rx_napi+0x1ad/0x3d0 net/mac80211/rx.c:5790 ieee80211_rx include/net/mac80211.h:5491 [inline] ieee80211_handle_queued_frames+0xe4/0x1d0 net/mac80211/main.c:452 ieee80211_stop_device+0x3e/0xf0 net/mac80211/util.c:1659 ieee80211_do_stop+0x1e19/0x2450 net/mac80211/iface.c:777 ieee80211_stop+0x1ab/0x200 net/mac80211/iface.c:871 __dev_close_many+0x361/0x6e0 net/core/dev.c:1836 netif_close_many+0x249/0x660 net/core/dev.c:1862 netif_close+0x160/0x220 net/core/dev.c:1880 dev_close+0xf7/0x210 net/core/dev_api.c:221 nl80211_del_interface+0xcd/0x140 net/wireless/nl80211.c:5412 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x226/0x4a0 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+0x8ef/0xa80 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x7f0/0xb20 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec+0x14e/0x190 net/socket.c:800 __sock_sendmsg net/socket.c:818 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2715 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2769 __sys_sendmsg net/socket.c:2801 [inline] __do_sys_sendmsg net/socket.c:2806 [inline] __se_sys_sendmsg net/socket.c:2804 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2804 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe50619e559 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:00007fe507000028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe506426270 RCX: 00007fe50619e559 RDX: 0000000000000000 RSI: 0000200000000340 RDI: 0000000000000005 RBP: 00007fe506235ad8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe506426308 R14: 00007fe506426270 R15: 00007ffd57c13168