sshd (5700) used greatest stack depth: 15744 bytes left
netlink: 'syz-executor955': attribute type 3 has an invalid length.
netlink: 'syz-executor955': attribute type 2 has an invalid length.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5714 Comm: syz-executor955 Not tainted 4.19.0+ #218
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:icmp_timeout_obj_to_nlattr+0x77/0x170 net/netfilter/nf_conntrack_proto_icmp.c:297
Code: b5 41 c7 00 f1 f1 f1 f1 c7 40 04 04 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 30 79 24 fb 4c 89 e8 48 c1 e8 03 <42> 0f b6 14 38 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffff8801ba0af1d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff10037415e3b RCX: ffffffff865df764
RDX: 0000000000000000 RSI: ffffffff865affd0 RDI: ffff8801d89f5680
RBP: ffff8801ba0af260 R08: ffff8801c1020140 R09: ffff8801ba7fa1a8
R10: ffffed00374ff434 R11: ffff8801ba7fa1a0 R12: ffff8801d89f5680
R13: 0000000000000000 R14: ffff8801ba0af238 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8801dae00000(0063) knlGS:0000000008127840
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000208a7000 CR3: 00000001d5499000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 cttimeout_default_fill_info net/netfilter/nfnetlink_cttimeout.c:411 [inline]
 cttimeout_default_get+0x644/0x9e0 net/netfilter/nfnetlink_cttimeout.c:457
 nfnetlink_rcv_msg+0xdd3/0x10c0 net/netfilter/nfnetlink.c:228
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2477
 nfnetlink_rcv+0x1c0/0x4d0 net/netfilter/nfnetlink.c:560
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:631
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116
 __sys_sendmsg+0x11d/0x280 net/socket.c:2154
 __compat_sys_sendmsg net/compat.c:754 [inline]
 __do_compat_sys_sendmsg net/compat.c:761 [inline]
 __se_compat_sys_sendmsg net/compat.c:758 [inline]
 __ia32_compat_sys_sendmsg+0x7a/0xb0 net/compat.c:758
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f4ea29
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000fffdb9ec EFLAGS: 00000213 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020dddfc8
RDX: 0000000000000000 RSI: 00000000080ea078 RDI: 00000000fffdba40
RBP: 0000000000001000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 288c1ada9fd963a4 ]---
RIP: 0010:icmp_timeout_obj_to_nlattr+0x77/0x170 net/netfilter/nf_conntrack_proto_icmp.c:297
Code: b5 41 c7 00 f1 f1 f1 f1 c7 40 04 04 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 30 79 24 fb 4c 89 e8 48 c1 e8 03 <42> 0f b6 14 38 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffff8801ba0af1d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff10037415e3b RCX: ffffffff865df764
RDX: 0000000000000000 RSI: ffffffff865affd0 RDI: ffff8801d89f5680
RBP: ffff8801ba0af260 R08: ffff8801c1020140 R09: ffff8801ba7fa1a8
R10: ffffed00374ff434 R11: ffff8801ba7fa1a0 R12: ffff8801d89f5680
R13: 0000000000000000 R14: ffff8801ba0af238 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8801dae00000(0063) knlGS:0000000008127840
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000208a7000 CR3: 00000001d5499000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400