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:1455!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 1964 Comm: syz-executor691 Not tainted 4.14.67+ #1
task: ffff8801bc1d1780 task.stack: ffff8801c8de0000
RIP: 0010:pskb_expand_head+0xa65/0xb30 net/core/skbuff.c:1455
RSP: 0018:ffff8801c8de7548 EFLAGS: 00010297
RAX: ffff8801bc1d1780 RBX: ffff8801cadf8140 RCX: 0000000001080020
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cadf821c
RBP: 0000000001080020 R08: 0000000000000004 R09: ffffed00391dd000
R10: ffffed00391dd000 R11: ffff8801c8ee8003 R12: ffff8801cadf8204
R13: 000000000000003f R14: 0000000000000040 R15: 0000000000000000
FS:  00007f67216b3700(0000) GS:ffff8801dba00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005700 CR3: 00000001c6472003 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __pskb_pull_tail+0xca/0x1500 net/core/skbuff.c:1876
 pskb_may_pull include/linux/skbuff.h:2111 [inline]
 ip6_datagram_recv_specific_ctl+0x1419/0x1710 net/ipv6/datagram.c:715
 rawv6_recvmsg+0x90d/0xb40 net/ipv6/raw.c:521
 sock_common_recvmsg+0xf3/0x190 net/core/sock.c:2946
 sock_recvmsg_nosec net/socket.c:818 [inline]
 sock_recvmsg+0xc0/0x100 net/socket.c:825
 ___sys_recvmsg+0x242/0x510 net/socket.c:2220
 __sys_recvmmsg+0x236/0x690 net/socket.c:2328
 SYSC_recvmmsg net/socket.c:2409 [inline]
 SyS_recvmmsg+0xbf/0x170 net/socket.c:2393
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4468d9
RSP: 002b:00007f67216b2da8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 00000000004468d9
RDX: 0000000000000006 RSI: 0000000020006780 RDI: 0000000000000004
RBP: 00000000006dbc30 R08: 0000000020006900 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00000000006dbc3c
R13: 0100000000000000 R14: 00007f67216b39c0 R15: 00000000006dbd2c
Code: e9 49 fa ff ff 4c 89 ef e8 49 a0 27 ff e9 b6 fd ff ff e8 3f a0 27 ff e9 89 fb ff ff e8 35 a0 27 ff e9 98 fc ff ff e8 6b a7 05 ff <0f> 0b 48 8b 7c 24 18 e8 1f a0 27 ff e9 ff fa ff ff 48 8b 7c 24 
RIP: pskb_expand_head+0xa65/0xb30 net/core/skbuff.c:1455 RSP: ffff8801c8de7548
---[ end trace ef7e4a9084e8db7c ]---