netlink: 'syz.1.98': attribute type 10 has an invalid length. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6274 at kernel/kcov.c:872 kcov_remote_start+0x542/0x7d0 kernel/kcov.c:872 Modules linked in: CPU: 1 UID: 0 PID: 6274 Comm: syz.1.98 Not tainted 6.15.0-rc2-syzkaller-00577-g8066e388be48 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:kcov_remote_start+0x542/0x7d0 kernel/kcov.c:872 Code: 4c 89 ff be 03 00 00 00 e8 1b 0c 42 03 e9 04 fb ff ff e8 11 c9 69 0a 41 f7 c6 00 02 00 00 0f 84 f2 fa ff ff e9 7f fc ff ff 90 <0f> 0b 90 e8 26 e6 69 0a 89 c0 48 c7 c7 68 d3 67 93 48 03 3c c5 10 RSP: 0018:ffffc90004b86410 EFLAGS: 00010002 RAX: 0000000080000200 RBX: ffff88802cb2da00 RCX: 0000000000000002 RDX: 0000000000030000 RSI: ffffffff8e4d854b RDI: ffffffff8ca1c5c0 RBP: 0000000000000000 R08: ffffc90004b86180 R09: 0000000000000020 R10: 0000000000000000 R11: ffffffff819ee6a0 R12: ffffffff81c2c467 R13: dffffc0000000000 R14: 0000000000000246 R15: ffff8880b8728368 FS: 00007f35cedea6c0(0000) GS:ffff8881250ab000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000099030 CR3: 000000006cd20000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0x53e/0x3490 net/mac80211/rx.c:5398 ieee80211_rx_napi+0x187/0x3c0 net/mac80211/rx.c:5439 ieee80211_rx include/net/mac80211.h:5179 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:441 ieee80211_stop_device+0x3f/0xf0 net/mac80211/util.c:1574 ieee80211_do_stop+0x1b7a/0x23f0 net/mac80211/iface.c:718 ieee80211_stop+0x43b/0x490 net/mac80211/iface.c:778 __dev_close_many+0x3d7/0x760 net/core/dev.c:1754 __dev_close net/core/dev.c:1766 [inline] __dev_change_flags+0x310/0x700 net/core/dev.c:9419 netif_change_flags+0x8b/0x1a0 net/core/dev.c:9484 do_setlink+0xee3/0x4390 net/core/rtnetlink.c:3152 rtnl_changelink net/core/rtnetlink.c:3770 [inline] __rtnl_newlink net/core/rtnetlink.c:3929 [inline] rtnl_newlink+0x17e2/0x1fe0 net/core/rtnetlink.c:4066 rtnetlink_rcv_msg+0x80f/0xd70 net/core/rtnetlink.c:6956 netlink_rcv_skb+0x208/0x480 net/netlink/af_netlink.c:2534 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x7f8/0x9a0 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x8c3/0xcd0 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:727 ____sys_sendmsg+0x523/0x860 net/socket.c:2566 ___sys_sendmsg net/socket.c:2620 [inline] __sys_sendmsg+0x271/0x360 net/socket.c:2652 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35cdf8e169 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:00007f35cedea038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f35ce1b6160 RCX: 00007f35cdf8e169 RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000005 RBP: 00007f35ce010a68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f35ce1b6160 R15: 00007ffc4a7252e8 </TASK>