kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN sit0: Invalid MTU 65537 requested, hw max 65508 Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 5905 Comm: syz-executor3 Not tainted 4.16.0-rc1+ #232 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 sit0: Invalid MTU 65537 requested, hw max 65508 RIP: 0010:ip6t_do_table+0x132d/0x1a30 net/ipv6/netfilter/ip6_tables.c:355 RSP: 0018:ffff8801d2637000 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8801c31d38c8 RCX: ffffffff84dbf591 RDX: 000000000000051a RSI: 0000000000000000 RDI: ffff8801c31d374e RBP: ffff8801d2637248 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8801c31d36c0 FS: 00007efe5532a700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4c87491db8 CR3: 00000001c0722002 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip6table_filter_hook+0x65/0x80 net/ipv6/netfilter/ip6table_filter.c:41 nf_hook_entry_hookfn include/linux/netfilter.h:120 [inline] nf_hook_slow+0xba/0x1a0 net/netfilter/core.c:483 nf_hook include/linux/netfilter.h:243 [inline] __ip6_local_out+0x517/0xaa0 net/ipv6/output_core.c:164 ip6_local_out+0x2d/0x160 net/ipv6/output_core.c:174 ip6_send_skb+0xa1/0x330 net/ipv6/ip6_output.c:1677 ip6_push_pending_frames+0xb3/0xe0 net/ipv6/ip6_output.c:1697 rawv6_push_pending_frames net/ipv6/raw.c:616 [inline] rawv6_sendmsg+0x2f96/0x40c0 net/ipv6/raw.c:935 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763 sock_sendmsg_nosec net/socket.c:629 [inline] sock_sendmsg+0xca/0x110 net/socket.c:639 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2047 __sys_sendmsg+0xe5/0x210 net/socket.c:2081 SYSC_sendmsg net/socket.c:2092 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2088 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453da9 RSP: 002b:00007efe55329c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007efe5532a6d4 RCX: 0000000000453da9 RDX: 0000000000000000 RSI: 0000000020008fc8 RDI: 0000000000000014 RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004a6 R14: 00000000006f7030 R15: 0000000000000001 Code: 41 f6 87 83 00 00 00 04 75 37 e8 bf 07 95 fc 8b 85 14 fe ff ff 48 8b b5 50 fe ff ff 4c 8d 2c c6 44 8d 60 01 4c 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 26 03 00 00 4d 89 7d 00 44 89 a5 14 fe ff RIP: ip6t_do_table+0x132d/0x1a30 net/ipv6/netfilter/ip6_tables.c:355 RSP: ffff8801d2637000 ---[ end trace 825b2665fa84b4e4 ]--- kasan: CONFIG_KASAN_INLINE enabled