audit: type=1800 audit(1546837316.384:30): pid=7505 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:1459!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7659 Comm: syz-executor477 Not tainted 4.20.0+ #13
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pskb_expand_head+0xbb0/0x1080 net/core/skbuff.c:1459
Code: 8b b5 e0 fe ff ff 48 85 f6 0f 84 4d fe ff ff e8 a6 ca 68 fb 4d 8d 74 24 ff e9 3e fe ff ff e8 97 ca 68 fb 0f 0b e8 90 ca 68 fb <0f> 0b e8 89 ca 68 fb 81 8d 10 ff ff ff 00 20 00 00 e9 0f f6 ff ff
RSP: 0018:ffff888081d7f5e0 EFLAGS: 00010293
RAX: ffff8880a936a1c0 RBX: ffff88808f2ee480 RCX: ffffffff86192268
RDX: 0000000000000000 RSI: ffffffff86192ca0 RDI: 0000000000000005
RBP: ffff888081d7f720 R08: ffff8880a936a1c0 R09: ffffed1011e5dcab
R10: ffffed1011e5dcaa R11: ffff88808f2ee557 R12: ffff88808f2ee53c
R13: 000000000000003f R14: dffffc0000000000 R15: 0000000000000000
FS:  00007fa4f1d91700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000300 CR3: 00000000a831f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __pskb_pull_tail+0x13a/0x1740 net/core/skbuff.c:1896
 pskb_may_pull include/linux/skbuff.h:2188 [inline]
 ip6_datagram_recv_specific_ctl+0x1751/0x1bd0 net/ipv6/datagram.c:707
 ip6_datagram_recv_ctl+0x34/0x40 net/ipv6/datagram.c:736
 rawv6_recvmsg+0xc43/0xe90 net/ipv6/raw.c:520
 sock_common_recvmsg+0x13f/0x2b0 net/core/sock.c:2975
 sock_recvmsg_nosec net/socket.c:794 [inline]
 sock_recvmsg net/socket.c:801 [inline]
 sock_recvmsg+0xd0/0x110 net/socket.c:797
 __sys_recvfrom+0x30b/0x5d0 net/socket.c:1845
 __do_sys_recvfrom net/socket.c:1863 [inline]
 __se_sys_recvfrom net/socket.c:1859 [inline]
 __x64_sys_recvfrom+0xe1/0x1a0 net/socket.c:1859
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x445809
Code: e8 6c b6 02 00 48 83 c4 18 c3 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 0f 83 2b 12 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa4f1d90da8 EFLAGS: 00000216 ORIG_RAX: 000000000000002d
RAX: ffffffffffffffda RBX: 00000000006dac38 RCX: 0000000000445809
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00000000006dac30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000216 R12: 00000000006dac3c
R13: 00007ffe1422bbff R14: 00007fa4f1d919c0 R15: 00000000006dad2c
Modules linked in:
---[ end trace 28e44aa0b340db87 ]---
RIP: 0010:pskb_expand_head+0xbb0/0x1080 net/core/skbuff.c:1459
Code: 8b b5 e0 fe ff ff 48 85 f6 0f 84 4d fe ff ff e8 a6 ca 68 fb 4d 8d 74 24 ff e9 3e fe ff ff e8 97 ca 68 fb 0f 0b e8 90 ca 68 fb <0f> 0b e8 89 ca 68 fb 81 8d 10 ff ff ff 00 20 00 00 e9 0f f6 ff ff
RSP: 0018:ffff888081d7f5e0 EFLAGS: 00010293
RAX: ffff8880a936a1c0 RBX: ffff88808f2ee480 RCX: ffffffff86192268
RDX: 0000000000000000 RSI: ffffffff86192ca0 RDI: 0000000000000005
RBP: ffff888081d7f720 R08: ffff8880a936a1c0 R09: ffffed1011e5dcab
R10: ffffed1011e5dcaa R11: ffff88808f2ee557 R12: ffff88808f2ee53c
R13: 000000000000003f R14: dffffc0000000000 R15: 0000000000000000
FS:  00007fa4f1d91700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000300 CR3: 00000000a831f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400