------------[ cut here ]------------ WARNING: CPU: 0 PID: 5993 at kernel/kcov.c:872 kcov_remote_start+0x542/0x7d0 kernel/kcov.c:872 Modules linked in: CPU: 0 UID: 0 PID: 5993 Comm: syz.0.19 Not tainted 6.14.0-rc2-syzkaller-00303-gad1b832bf1cf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:kcov_remote_start+0x542/0x7d0 kernel/kcov.c:872 Code: 4c 89 ff be 03 00 00 00 e8 9b 8b 2b 03 e9 04 fb ff ff e8 21 98 3e 0a 41 f7 c6 00 02 00 00 0f 84 f2 fa ff ff e9 7f fc ff ff 90 <0f> 0b 90 e8 f6 b4 3e 0a 89 c0 48 c7 c7 a8 d1 02 00 48 03 3c c5 50 RSP: 0018:ffffc90004bee450 EFLAGS: 00010002 RAX: 0000000080000200 RBX: ffff888027885a00 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: ffffffff8c2ab6a0 RDI: ffffffff8c8018c0 RBP: 0000000000000000 R08: ffffffff945118bf R09: 1ffffffff28a2317 R10: dffffc0000000000 R11: fffffbfff28a2318 R12: ffffffff81c1c187 R13: dffffc0000000000 R14: 0000000000000246 R15: ffff8880b862d1a8 FS: 00007f99267f06c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c42129d CR3: 00000000326a4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0x536/0x38f0 net/mac80211/rx.c:5465 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5506 ieee80211_rx include/net/mac80211.h:5172 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:441 ieee80211_stop_device+0x3f/0xf0 net/mac80211/util.c:1573 ieee80211_do_stop+0x1db6/0x2380 net/mac80211/iface.c:716 ieee80211_stop+0x43b/0x490 net/mac80211/iface.c:776 __dev_close_many+0x216/0x350 net/core/dev.c:1688 __dev_close net/core/dev.c:1700 [inline] __dev_change_flags+0x30e/0x6f0 net/core/dev.c:9170 dev_change_flags+0x8b/0x1a0 net/core/dev.c:9244 do_setlink+0xcca/0x4300 net/core/rtnetlink.c:3118 rtnl_changelink net/core/rtnetlink.c:3733 [inline] __rtnl_newlink net/core/rtnetlink.c:3885 [inline] rtnl_newlink+0x1704/0x1d30 net/core/rtnetlink.c:4022 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6912 netlink_rcv_skb+0x206/0x480 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8de/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:733 ____sys_sendmsg+0x53a/0x860 net/socket.c:2573 ___sys_sendmsg net/socket.c:2627 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2659 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f992958cde9 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:00007f99267f0038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f99297a6400 RCX: 00007f992958cde9 RDX: 0000000000000000 RSI: 00004000000000c0 RDI: 000000000000000c RBP: 00007f992960e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f99297a6400 R15: 00007ffce3459218