syzbot

netlink: 'syz.0.29251': attribute type 10 has an invalid length.
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WARNING: CPU: 0 PID: 3242 at kernel/kcov.c:869 arch_local_irq_restore arch/x86/include/asm/irqflags.h:137 [inline]
WARNING: CPU: 0 PID: 3242 at kernel/kcov.c:869 kcov_remote_start+0x54d/0x7e0 kernel/kcov.c:887
Modules linked in:
CPU: 0 PID: 3242 Comm: syz.0.29251 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:kcov_remote_start+0x54d/0x7e0 kernel/kcov.c:869
Code: ff ff 4c 89 ff be 03 00 00 00 e8 9e cb 8e 02 e9 f0 fa ff ff e8 e4 73 ab 08 f7 c3 00 02 00 00 0f 84 df fa ff ff e9 5a fc ff ff <0f> 0b e8 6c 88 ab 08 89 c0 48 c7 c7 70 b1 02 00 48 03 3c c5 80 39
RSP: 0018:ffffc90003d9e510 EFLAGS: 00010002
RAX: 0000000080000200 RBX: 0000000000000246 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8a8c22a0 RDI: ffffffff8adf13a0
RBP: ffffc90003d9e770 R08: dffffc0000000000 R09: 1ffffffff215f254
R10: dffffc0000000000 R11: fffffbfff215f255 R12: ffff8880b8e2b170
R13: ffffffff81827d3b R14: ffff888045463b80 R15: 0000000000000000
FS:  00007f50541f16c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04e29e8158 CR3: 0000000074329000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000008d24 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 kcov_remote_start_common include/linux/kcov.h:50 [inline]
 ieee80211_rx_list+0x504/0x2e60 net/mac80211/rx.c:5297
 ieee80211_rx_napi+0x1ae/0x3d0 net/mac80211/rx.c:5338
 ieee80211_rx include/net/mac80211.h:4849 [inline]
 ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:317
 ieee80211_stop_device+0x27/0xa0 net/mac80211/util.c:2211
 ieee80211_do_stop+0x1724/0x1e20 net/mac80211/iface.c:750
 ieee80211_stop+0x432/0x4a0 net/mac80211/iface.c:809
 __dev_close_many+0x1d1/0x2b0 net/core/dev.c:1585
 __dev_close net/core/dev.c:1597 [inline]
 __dev_change_flags+0x2d8/0x6a0 net/core/dev.c:8674
 dev_change_flags+0x84/0x1a0 net/core/dev.c:8748
 do_setlink+0xba1/0x3e60 net/core/rtnetlink.c:2836
 __rtnl_newlink net/core/rtnetlink.c:3613 [inline]
 rtnl_newlink+0x17d9/0x20a0 net/core/rtnetlink.c:3660
 rtnetlink_rcv_msg+0x87c/0xfc0 net/core/rtnetlink.c:6157
 netlink_rcv_skb+0x1fb/0x450 net/netlink/af_netlink.c:2511
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1872
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5be/0x970 net/socket.c:2518
 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2572
 __sys_sendmsg net/socket.c:2601 [inline]
 __do_sys_sendmsg net/socket.c:2610 [inline]
 __se_sys_sendmsg+0x1bb/0x2a0 net/socket.c:2608
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f505339cdd9
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:00007f50541f1028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5053615fa0 RCX: 00007f505339cdd9
RDX: 0000000004000800 RSI: 00002000000007c0 RDI: 0000000000000003
RBP: 00007f5053432d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5053616038 R14: 00007f5053615fa0 R15: 00007ffec40b34a8
 </TASK>