audit: type=1800 audit(1546838059.476:30): pid=7562 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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: 0 PID: 7715 Comm: syz-executor289 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:ffff888090d775b0 EFLAGS: 00010293
RAX: ffff888084b18600 RBX: ffff8880a0f8e540 RCX: ffffffff86192268
RDX: 0000000000000000 RSI: ffffffff86192ca0 RDI: 0000000000000005
RBP: ffff888090d776f0 R08: ffff888084b18600 R09: ffffed10141f1cc3
R10: ffffed10141f1cc2 R11: ffff8880a0f8e617 R12: ffff8880a0f8e5fc
R13: 000000000000003f R14: dffffc0000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f7f7bb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020000300 CR3: 00000000a0f9a000 CR4: 00000000001406f0
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
 __compat_sys_recvfrom net/compat.c:800 [inline]
 __do_compat_sys_recvfrom net/compat.c:813 [inline]
 __se_compat_sys_recvfrom net/compat.c:809 [inline]
 __ia32_compat_sys_recvfrom+0xe5/0x1a0 net/compat.c:809
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x333/0xf98 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fa0869
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:00000000f7f7b1ec EFLAGS: 00000292 ORIG_RAX: 0000000000000173
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace c66ec4f00519d153 ]---
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:ffff888090d775b0 EFLAGS: 00010293
RAX: ffff888084b18600 RBX: ffff8880a0f8e540 RCX: ffffffff86192268
RDX: 0000000000000000 RSI: ffffffff86192ca0 RDI: 0000000000000005
RBP: ffff888090d776f0 R08: ffff888084b18600 R09: ffffed10141f1cc3
R10: ffffed10141f1cc2 R11: ffff8880a0f8e617 R12: ffff8880a0f8e5fc
R13: 000000000000003f R14: dffffc0000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f7f7bb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020000300 CR3: 00000000a0f9a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400