random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
random: nonblocking pool is initialized
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 3849 Comm: syz-executor908 Not tainted 4.4.138-g07c0138 #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d9a86000 task.stack: ffff8801c6190000
RIP: 0010:[<ffffffff832d301f>]  [<ffffffff832d301f>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
RIP: 0010:[<ffffffff832d301f>]  [<ffffffff832d301f>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
RIP: 0010:[<ffffffff832d301f>]  [<ffffffff832d301f>] xfrm4_policy_check include/net/xfrm.h:1081 [inline]
RIP: 0010:[<ffffffff832d301f>]  [<ffffffff832d301f>] udp_queue_rcv_skb+0x18f/0x1570 net/ipv4/udp.c:1520
RSP: 0018:ffff8801c61977f8  EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8800bba98000 RCX: 1ffff1003b1d72fb
RDX: 000000000000000c RSI: ffffffff832d3006 RDI: 0000000000000060
RBP: ffff8801c6197838 R08: ffffffff85313370 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8801d9a86000 R12: ffff8801d8eb9780
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801d8eb97d8
FS:  00000000018a3880(0063) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000001ce100000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8800bba98088 ffff880100000001 ffff8800bba98088 ffff8800bba98000
 ffff8801d8eb9780 dffffc0000000000 ffff8801d8eb97d8 0000000000000000
 ffff8801c61978a8 ffffffff82f2b70b ffff8800bba98430 ffff8800bba98188
Call Trace:
 [<ffffffff82f2b70b>] sk_backlog_rcv include/net/sock.h:871 [inline]
 [<ffffffff82f2b70b>] __release_sock net/core/sock.c:2023 [inline]
 [<ffffffff82f2b70b>] release_sock+0x17b/0x500 net/core/sock.c:2473
 [<ffffffff832d0c42>] udp_sendmsg+0x1152/0x1c70 net/ipv4/udp.c:1107
 [<ffffffff83300dd3>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff82f1e22c>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82f1e22c>] sock_sendmsg+0xcc/0x110 net/socket.c:635
 [<ffffffff82f1fcf5>] ___sys_sendmsg+0x745/0x880 net/socket.c:1962
 [<ffffffff82f21d96>] __sys_sendmsg+0xd6/0x190 net/socket.c:1996
 [<ffffffff82f21e7d>] SYSC_sendmsg net/socket.c:2007 [inline]
 [<ffffffff82f21e7d>] SyS_sendmsg+0x2d/0x50 net/socket.c:2003
 [<ffffffff838c2725>] entry_SYSCALL_64_fastpath+0x22/0x9e
Code: 74 24 58 41 f6 c6 01 0f 85 a6 07 00 00 e8 aa e4 07 fe 49 83 e6 fe 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 60 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e 25 0e 00 00 41 f6 46 60 04 
RIP  [<ffffffff832d301f>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
RIP  [<ffffffff832d301f>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
RIP  [<ffffffff832d301f>] xfrm4_policy_check include/net/xfrm.h:1081 [inline]
RIP  [<ffffffff832d301f>] udp_queue_rcv_skb+0x18f/0x1570 net/ipv4/udp.c:1520
 RSP <ffff8801c61977f8>
---[ end trace 78dbd0e2193b3977 ]---