random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:1457!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 1 PID: 4670 Comm: syz-executor648 Not tainted 4.19.0-rc1-next-20180831+ #53
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pskb_expand_head+0xc36/0x10e0 net/core/skbuff.c:1457
Code: 8b 85 20 fe ff ff 48 85 c0 0f 84 4f fe ff ff e8 90 ae 4e fc 4d 8d 74 24 ff e9 40 fe ff ff e8 81 ae 4e fc 0f 0b e8 7a ae 4e fc <0f> 0b e8 73 ae 4e fc 31 f6 31 ff e8 3a af 4e fc e9 70 fd ff ff 4c
RSP: 0018:ffff8801b8276fc8 EFLAGS: 00010293
RAX: ffff8801b7c4a680 RBX: ffff8801be722340 RCX: ffffffff852e0eea
RDX: 0000000000000000 RSI: ffffffff852e1976 RDI: 0000000000000005
RBP: ffff8801b82771c0 R08: ffff8801b7c4a680 R09: ffffed0037ce4484
R10: ffffed0037ce4484 R11: ffff8801be722427 R12: ffff8801be72240c
R13: 0000000000000002 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f785670c700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000300 CR3: 00000001b8f6e000 CR4: 00000000001406e0
Call Trace:
 __pskb_pull_tail+0x156/0x1880 net/core/skbuff.c:1893
 pskb_may_pull include/linux/skbuff.h:2119 [inline]
 ip6_datagram_recv_specific_ctl+0x1945/0x1be0 net/ipv6/datagram.c:707
 ip6_datagram_recv_ctl+0x33/0x40 net/ipv6/datagram.c:736
 rawv6_recvmsg+0xc5f/0xea0 net/ipv6/raw.c:521
 sock_common_recvmsg+0x13a/0x2a0 net/core/sock.c:3022
 sock_recvmsg_nosec net/socket.c:795 [inline]
 sock_recvmsg+0xd0/0x110 net/socket.c:802
 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2277
 __sys_recvmmsg+0x303/0xbb0 net/socket.c:2389
 do_sys_recvmmsg+0xe3/0x190 net/socket.c:2469
 __do_sys_recvmmsg net/socket.c:2481 [inline]
 __se_sys_recvmmsg net/socket.c:2477 [inline]
 __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2477
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x445c99
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:00007f785670bda8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00000000006dac38 RCX: 0000000000445c99
RDX: 0000000000000006 RSI: 0000000020006780 RDI: 0000000000000004
RBP: 00000000006dac30 R08: 0000000020006900 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00000000006dac3c
R13: 0100000000000000 R14: 00007f785670c9c0 R15: 00000000006dad2c
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 1d647a8828f29cb8 ]---
RIP: 0010:pskb_expand_head+0xc36/0x10e0 net/core/skbuff.c:1457
Code: 8b 85 20 fe ff ff 48 85 c0 0f 84 4f fe ff ff e8 90 ae 4e fc 4d 8d 74 24 ff e9 40 fe ff ff e8 81 ae 4e fc 0f 0b e8 7a ae 4e fc <0f> 0b e8 73 ae 4e fc 31 f6 31 ff e8 3a af 4e fc e9 70 fd ff ff 4c
RSP: 0018:ffff8801b8276fc8 EFLAGS: 00010293
RAX: ffff8801b7c4a680 RBX: ffff8801be722340 RCX: ffffffff852e0eea
RDX: 0000000000000000 RSI: ffffffff852e1976 RDI: 0000000000000005
RBP: ffff8801b82771c0 R08: ffff8801b7c4a680 R09: ffffed0037ce4484
R10: ffffed0037ce4484 R11: ffff8801be722427 R12: ffff8801be72240c
R13: 0000000000000002 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f785670c700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000300 CR3: 00000001b8f6e000 CR4: 00000000001406e0