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
Modules linked in:
CPU: 0 PID: 8985 Comm: syz-executor.1 Not tainted 4.4.174+ #4
binder: BINDER_SET_CONTEXT_MGR already set
binder: 8986:8987 ioctl 40046207 0 returned -16
binder: 8986:8987 unknown command 0
binder: 8986:8987 ioctl c0306201 20008fd0 returned -22
binder: BINDER_SET_CONTEXT_MGR already set
binder: 8988:8989 ioctl 40046207 0 returned -16
binder: 8988:8989 unknown command 0
binder: 8988:8989 ioctl c0306201 20008fd0 returned -22
binder: BINDER_SET_CONTEXT_MGR already set
binder: 8991:8992 ioctl 40046207 0 returned -16
binder: 8991:8992 unknown command 0
binder: 8991:8992 ioctl c0306201 20008fd0 returned -22
task: ffff8801b4010000 task.stack: ffff8801d0180000
binder: BINDER_SET_CONTEXT_MGR already set
binder: 8993:8994 ioctl 40046207 0 returned -16
binder: 8993:8994 unknown command 0
binder: 8993:8994 ioctl c0306201 20008fd0 returned -22
RIP: 0010:[<ffffffff824813bd>] [  220.810207] binder: BINDER_SET_CONTEXT_MGR already set
binder: 8996:8997 ioctl 40046207 0 returned -16
binder: 8996:8997 unknown command 0
binder: 8996:8997 ioctl c0306201 20008fd0 returned -22
 [<ffffffff824813bd>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
 [<ffffffff824813bd>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
 [<ffffffff824813bd>] xfrm4_policy_check include/net/xfrm.h:1081 [inline]
 [<ffffffff824813bd>] udp_queue_rcv_skb+0x18d/0x14e0 net/ipv4/udp.c:1520
binder: BINDER_SET_CONTEXT_MGR already set
binder: 8998:8999 ioctl 40046207 0 returned -16
binder: 8998:8999 unknown command 0
binder: 8998:8999 ioctl c0306201 20008fd0 returned -22
RSP: 0018:ffff8801d0187888  EFLAGS: 00010206
audit: type=1400 audit(1555036630.862:27): avc:  denied  { read } for  pid=8967 comm="syz-executor.4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:semanage_trans_lock_t:s0 tclass=netlink_generic_socket permissive=1
audit: type=1400 audit(1555036630.872:28): avc:  denied  { create } for  pid=8967 comm="syz-executor.4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:semanage_trans_lock_t:s0 tclass=rawip_socket permissive=1
audit: type=1400 audit(1555036630.872:29): avc:  denied  { ioctl } for  pid=8967 comm="syz-executor.4" path="socket:[33726]" dev="sockfs" ino=33726 ioctlcmd=8912 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:semanage_trans_lock_t:s0 tclass=rawip_socket permissive=1
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90004dab000
RDX: 000000000000000c RSI: ffffffff824813a4 RDI: 0000000000000060
RBP: ffff8801d01878c8 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d96578c0
R13: ffff88009b5483c0 R14: 0000000000000000 R15: ffff88009b548418
FS:  00007f34d6ac9700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31221000 CR3: 000000009eb49000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d96578c0 ffff880100000001 ffff8801d9657948 ffff8801d96578c0
 ffff88009b5483c0 dffffc0000000000 ffff8801d9657948 0000000000000000
 ffff8801d0187938 ffffffff821e5e40 ffff8801d9657cf0 ffff8801d9657a48
Call Trace:
 [<ffffffff821e5e40>] sk_backlog_rcv include/net/sock.h:875 [inline]
 [<ffffffff821e5e40>] __release_sock net/core/sock.c:2024 [inline]
 [<ffffffff821e5e40>] release_sock+0x170/0x500 net/core/sock.c:2477
 [<ffffffff8247f646>] udp_sendmsg+0x1176/0x1c60 net/ipv4/udp.c:1107
 [<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
 [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
 [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
 [<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
 [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
 [<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
 [<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
 [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Code: 8b 75 58 41 f6 c6 01 0f 85 f9 07 00 00 e8 4c 82 e8 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 6a 0e 00 00 41 f6 46 60 04 
RIP  [<ffffffff824813bd>] __xfrm_policy_check2 include/net/xfrm.h:1070 [inline]
RIP  [<ffffffff824813bd>] xfrm_policy_check include/net/xfrm.h:1076 [inline]
RIP  [<ffffffff824813bd>] xfrm4_policy_check include/net/xfrm.h:1081 [inline]
RIP  [<ffffffff824813bd>] udp_queue_rcv_skb+0x18d/0x14e0 net/ipv4/udp.c:1520
 RSP <ffff8801d0187888>
---[ end trace ef8d06225dc4fe1e ]---