random: sshd: uninitialized urandom read (32 bytes read, 120 bits of entropy available)
random: sshd: uninitialized urandom read (32 bytes read, 122 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: 1 PID: 3826 Comm: syz-executor143 Not tainted 4.4.129-g23eaecc #27
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d8c2e000 task.stack: ffff8800bb350000
RIP: 0010:[<ffffffff834961ef>]  [<ffffffff834961ef>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
RIP: 0010:[<ffffffff834961ef>]  [<ffffffff834961ef>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
RIP: 0010:[<ffffffff834961ef>]  [<ffffffff834961ef>] xfrm6_policy_check include/net/xfrm.h:1086 [inline]
RIP: 0010:[<ffffffff834961ef>]  [<ffffffff834961ef>] udpv6_queue_rcv_skb+0x18f/0x1500 net/ipv6/udp.c:634
RSP: 0018:ffff8800bb3577e0  EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8801da3e8000 RCX: 0000000000000000
RDX: 000000000000000c RSI: ffffffff834961d6 RDI: 0000000000000060
RBP: ffff8800bb357820 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8801d8c2e000 R12: ffff8800ad2878c0
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8800ad287918
FS:  0000000001a0d880(0063) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020f9bff0 CR3: 00000000b0f8d000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 00000001da3e8088 ffff8800ad2878c0 ffff8801da3e8088 ffff8801da3e8000
 ffff8800ad2878c0 dffffc0000000000 ffff8800ad287918 0000000000000000
 ffff8800bb357890 ffffffff82f298fb ffff8801da3e8430 ffff8801da3e8188
Call Trace:
 [<ffffffff82f298fb>] sk_backlog_rcv include/net/sock.h:871 [inline]
 [<ffffffff82f298fb>] __release_sock net/core/sock.c:2023 [inline]
 [<ffffffff82f298fb>] release_sock+0x17b/0x500 net/core/sock.c:2473
 [<ffffffff83492bd7>] udpv6_sendmsg+0x917/0x24c0 net/ipv6/udp.c:1364
 [<ffffffff832fe123>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff82f1c41c>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82f1c41c>] sock_sendmsg+0xcc/0x110 net/socket.c:635
 [<ffffffff82f1c683>] sock_write_iter+0x223/0x3b0 net/socket.c:834
 [<ffffffff8151c74d>] new_sync_write fs/read_write.c:478 [inline]
 [<ffffffff8151c74d>] __vfs_write+0x30d/0x3f0 fs/read_write.c:491
 [<ffffffff8151e331>] vfs_write+0x191/0x4e0 fs/read_write.c:538
 [<ffffffff81520939>] SYSC_write fs/read_write.c:585 [inline]
 [<ffffffff81520939>] SyS_write+0xd9/0x1c0 fs/read_write.c:577
 [<ffffffff838bf0e5>] entry_SYSCALL_64_fastpath+0x22/0x9e
Code: 74 24 58 41 f6 c6 01 0f 85 e2 07 00 00 e8 0a b0 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  [<ffffffff834961ef>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
RIP  [<ffffffff834961ef>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
RIP  [<ffffffff834961ef>] xfrm6_policy_check include/net/xfrm.h:1086 [inline]
RIP  [<ffffffff834961ef>] udpv6_queue_rcv_skb+0x18f/0x1500 net/ipv6/udp.c:634
 RSP <ffff8800bb3577e0>
---[ end trace 3e76207b4c887a78 ]---