netlink: 'syz-executor192': attribute type 23 has an invalid length.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5063 at include/net/ip6_fib.h:332 fib6_info_release include/net/ip6_fib.h:332 [inline]
WARNING: CPU: 1 PID: 5063 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 net/ipv6/route.c:3829
Modules linked in:
CPU: 1 PID: 5063 Comm: syz-executor192 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:fib6_info_release include/net/ip6_fib.h:332 [inline]
RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 net/ipv6/route.c:3829
Code: 49 83 7f 40 00 75 28 e8 04 ae 50 f8 49 8d bf a0 00 00 00 48 c7 c6 c0 ae 37 89 e8 41 2c 3a f8 e9 65 f4 ff ff e8 e7 ad 50 f8 90 <0f> 0b 90 eb ad e8 dc ad 50 f8 90 0f 0b 90 eb cd e8 d1 ad 50 f8 e8
RSP: 0018:ffffc90003957400 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418
RDX: ffff88807c901dc0 RSI: ffffffff8936e469 RDI: 0000000000000005
RBP: ffffc900039574f0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffffed
R13: ffff8880274fc82c R14: ffffc90003957594 R15: ffff8880274fc800
FS:  0000555556a8c380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045ad50 CR3: 00000000739a1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ip6_route_add+0x26/0x1f0 net/ipv6/route.c:3843
 inet6_rtm_newroute+0x160/0x170 net/ipv6/route.c:5510
 rtnetlink_rcv_msg+0x3c7/0xe00 net/core/rtnetlink.c:6566
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2544
 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
 netlink_unicast+0x53b/0x810 net/netlink/af_netlink.c:1367
 netlink_sendmsg+0x8b7/0xd70 net/netlink/af_netlink.c:1909
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0xd5/0x180 net/socket.c:745
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2584
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2638
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2667
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fb1f804d369
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeadab7bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffeadab7d88 RCX: 00007fb1f804d369
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007fb1f80c0610 R08: 0000000000000000 R09: 00007ffeadab7d88
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffeadab7d78 R14: 0000000000000001 R15: 0000000000000001
 </TASK>