sctp: [Deprecated]: syz-executor5 (pid 13991) Use of int in maxseg socket option. Use struct sctp_assoc_value instead kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access SELinux: unrecognized netlink message: protocol=0 nlmsg_type=16861 sclass=netlink_route_socket pig=14008 comm=syz-executor2 general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 14000 Comm: syz-executor3 Not tainted 4.16.0-rc4+ #263 kernel msg: ebtables bug: please report to author: Wrong len argument Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ip6_xmit+0xc42/0x2260 net/ipv6/ip6_output.c:264 RSP: 0018:ffff8801b60875a8 EFLAGS: 00010246 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=16861 sclass=netlink_route_socket pig=14013 comm=syz-executor2 RAX: dffffc0000000000 RBX: ffff8801bd18e080 RCX: ffffffff84ef50c6 RDX: ffff8801bd18e100 RSI: ffffc90001926000 RDI: ffffffff81a93403 RBP: ffff8801b6087818 R08: 1ffff10037a31c01 R09: ffff8801b6087768 R10: ffff8801b60875a8 R11: ffffed0036c10ef4 R12: 48ffffff66e8e689 R13: ffffed0036c10eed R14: 0000000000000040 R15: ffff8801b5431ea4 FS: 00007f8c46baf700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200000c0 CR3: 00000001bb1c8006 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inet6_csk_xmit+0x2fc/0x580 net/ipv6/inet6_connection_sock.c:139 l2tp_xmit_core net/l2tp/l2tp_core.c:1053 [inline] l2tp_xmit_skb+0x105f/0x1410 net/l2tp/l2tp_core.c:1148 pppol2tp_sendmsg+0x470/0x670 net/l2tp/l2tp_ppp.c:341 sock_sendmsg_nosec net/socket.c:629 [inline] sock_sendmsg+0xca/0x110 net/socket.c:639 SYSC_sendto+0x361/0x5c0 net/socket.c:1748 SyS_sendto+0x40/0x50 net/socket.c:1716 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f8c46baec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f8c46baf6d4 RCX: 0000000000453e69 RDX: 000000000000100b RSI: 0000000020001180 RDI: 0000000000000014 RBP: 000000000072bea0 R08: 00000000200021c0 R09: 0000000000000080 R10: 0000000000040001 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004ca R14: 00000000006f7390 R15: 0000000000000000 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 52 13 00 00 48 8b 95 e0 fd ff ff 48 b8 00 00 00 00 00 fc ff df 4d 8b a4 24 d0 02 00 00 <65> 49 ff 44 24 28 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f RIP: ip6_xmit+0xc42/0x2260 net/ipv6/ip6_output.c:264 RSP: ffff8801b60875a8 ---[ end trace 5b5c5647d55a17ae ]--- Kernel panic - not syncing: Fatal exception in interrupt Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..