WARNING: can't dereference registers at 000000007069c279 for ip apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:792
input: syz1 as /devices/virtual/input/input6
input: syz1 as /devices/virtual/input/input8
EXT4-fs (loop4): VFS: Can't find ext4 filesystem
EXT4-fs (loop3): VFS: Found ext4 filesystem with invalid superblock checksum.  Run e2fsck?
EXT4-fs (loop3): VFS: Found ext4 filesystem with invalid superblock checksum.  Run e2fsck?
audit: type=1400 audit(1569314996.486:20): avc:  denied  { map } for  pid=3304 comm="syz-executor.4" path=2F6D656D66643A2F6465762F61757473202864656C6574656429 dev="tmpfs" ino=9031 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:tmpfs_t:s0 tclass=file permissive=1
audit: type=1400 audit(1569314999.136:21): avc:  denied  { map } for  pid=3385 comm="syz-executor.5" path="/dev/ashmem" dev="devtmpfs" ino=5461 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1
input: syz1 as /devices/virtual/input/input9
mmap: syz-executor.1 (3422) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt.
F2FS-fs (loop1): Magic Mismatch, valid(0xf2f52010) - read(0x0)
F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
audit: type=1400 audit(1569315002.866:22): avc:  denied  { map_create } for  pid=3502 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=bpf permissive=1
F2FS-fs (loop1): invalid crc_offset: 0
F2FS-fs (loop1): invalid crc_offset: 0
F2FS-fs (loop1): Failed to get valid F2FS checkpoint
audit: type=1400 audit(1569315002.906:23): avc:  denied  { map_read map_write } for  pid=3502 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=bpf permissive=1
F2FS-fs (loop1): Magic Mismatch, valid(0xf2f52010) - read(0x0)
F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop1): invalid crc_offset: 0
F2FS-fs (loop1): invalid crc_offset: 0
F2FS-fs (loop1): Failed to get valid F2FS checkpoint
raw_sendmsg: syz-executor.0 forgot to set AF_INET. Fix it!
 loop3: p1 < > p2
loop3: p2 size 327680 extends beyond EOD, truncated