random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available)
random: sshd: uninitialized urandom read (32 bytes read, 34 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: 3756 Comm: syz-executor861 Not tainted 4.4.131-g834913c #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cc3f9800 task.stack: ffff8800afe98000
RIP: 0010:[<ffffffff83496cdf>]  [<ffffffff83496cdf>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
RIP: 0010:[<ffffffff83496cdf>]  [<ffffffff83496cdf>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
RIP: 0010:[<ffffffff83496cdf>]  [<ffffffff83496cdf>] xfrm6_policy_check include/net/xfrm.h:1086 [inline]
RIP: 0010:[<ffffffff83496cdf>]  [<ffffffff83496cdf>] udpv6_queue_rcv_skb+0x18f/0x1500 net/ipv6/udp.c:634
RSP: 0018:ffff8800afe9f6d0  EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8800afdb8000 RCX: 0000000000000000
RDX: 000000000000000c RSI: ffffffff83496cc6 RDI: 0000000000000060
RBP: ffff8800afe9f710 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8801cc3f9800 R12: ffff8800b46c2500
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8800b46c2558
FS:  0000000000d8c880(0063) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000205dafe4 CR3: 00000000b206e000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 00000001afdb8088 ffff8800b46c2500 ffff8800afdb8088 ffff8800afdb8000
 ffff8800b46c2500 dffffc0000000000 ffff8800b46c2558 0000000000000000
 ffff8800afe9f780 ffffffff82f2a20b ffff8800afdb8430 ffff8800afdb8188
Call Trace:
 [<ffffffff82f2a20b>] sk_backlog_rcv include/net/sock.h:871 [inline]
 [<ffffffff82f2a20b>] __release_sock net/core/sock.c:2023 [inline]
 [<ffffffff82f2a20b>] release_sock+0x17b/0x500 net/core/sock.c:2473
 [<ffffffff834936c7>] udpv6_sendmsg+0x917/0x24c0 net/ipv6/udp.c:1364
 [<ffffffff832fec13>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff82f1cd2c>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82f1cd2c>] sock_sendmsg+0xcc/0x110 net/socket.c:635
 [<ffffffff82f1cf93>] sock_write_iter+0x223/0x3b0 net/socket.c:834
 [<ffffffff8151d22c>] do_iter_readv_writev+0x13c/0x1e0 fs/read_write.c:664
 [<ffffffff8151e950>] do_readv_writev+0x2e0/0x6e0 fs/read_write.c:808
 [<ffffffff8151ee7b>] vfs_writev+0x7b/0xb0 fs/read_write.c:847
 [<ffffffff81521349>] SYSC_writev fs/read_write.c:880 [inline]
 [<ffffffff81521349>] SyS_writev+0xd9/0x250 fs/read_write.c:872
 [<ffffffff838bfe25>] entry_SYSCALL_64_fastpath+0x22/0x9e
Code: 74 24 58 41 f6 c6 01 0f 85 e2 07 00 00 e8 1a a5 eb fd 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 c1 0d 00 00 41 f6 46 60 04 
RIP  [<ffffffff83496cdf>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
RIP  [<ffffffff83496cdf>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
RIP  [<ffffffff83496cdf>] xfrm6_policy_check include/net/xfrm.h:1086 [inline]
RIP  [<ffffffff83496cdf>] udpv6_queue_rcv_skb+0x18f/0x1500 net/ipv6/udp.c:634
 RSP <ffff8800afe9f6d0>
---[ end trace 4853e40aafc5e32d ]---