audit: type=1400 audit(1563798258.764:16): avc:  denied  { bind } for  pid=2878 comm="syz-executor.3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
kasan: CONFIG_KASAN_INLINE enabled
print_req_error: I/O error, dev loop0, sector 0
kasan: GPF could be caused by NULL-ptr deref or user memory access
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=2961 comm=syz-executor.1
general protection fault: 0000 [#1] PREEMPT SMP KASAN NOPTI
Modules linked in:
CPU: 1 PID: 2962 Comm: syz-executor.2 Not tainted 4.14.133+ #17
task: 0000000025a41b9c task.stack: 0000000062715709
RIP: 0010:is_loop_device /drivers/block/loop.c:622 [inline]
RIP: 0010:loop_validate_file+0x1ef/0x2c0 /drivers/block/loop.c:633
RSP: 0018:ffff8881d381fb60 EFLAGS: 00010202
RAX: 0000000000000037 RBX: ffff8881da416ed8 RCX: 0000000000000092
RDX: ffffffff81e135b1 RSI: ffffc90000521000 RDI: 00000000000001b8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff2685909 R11: ffffffff9342c84b R12: ffff8881d57f9cc0
R13: dffffc0000000000 R14: 00000000fffffff0 R15: ffff8881d57f9da0
FS:  00007f5569555700(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30b2b000 CR3: 00000001c9d36002 CR4: 00000000001606a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 loop_set_fd /drivers/block/loop.c:897 [inline]
 lo_ioctl+0xa47/0x1a30 /drivers/block/loop.c:1407
Code: f0 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 d1 00 00 00 48 8b ad f0 00 00 00 48 8d bd b8 01 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 a7 00 00 00 48 8b ad b8 01 00 00 48 89 e8 
RIP: is_loop_device /drivers/block/loop.c:622 [inline] RSP: ffff8881d381fb60
RIP: loop_validate_file+0x1ef/0x2c0 /drivers/block/loop.c:633 RSP: ffff8881d381fb60
audit: type=1400 audit(1563798258.824:17): avc:  denied  { map_create } for  pid=2905 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1
audit: type=1400 audit(1563798258.824:18): avc:  denied  { map_read map_write } for  pid=2905 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=2976 comm=syz-executor.1
audit: type=1400 audit(1563798258.904:19): avc:  denied  { write } for  pid=2921 comm="syz-executor.5" name="net" dev="proc" ino=8452 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1
audit: type=1400 audit(1563798258.904:20): avc:  denied  { add_name } for  pid=2921 comm="syz-executor.5" name="pfkey" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1
audit: type=1400 audit(1563798258.914:21): avc:  denied  { create } for  pid=2921 comm="syz-executor.5" name="pfkey" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:insmod_t:s0 tclass=file permissive=1
audit: type=1400 audit(1563798258.924:22): avc:  denied  { write } for  pid=2920 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
---[ end trace e7e8d780759251df ]---