WARNING: can't dereference registers at 00000000000009bd for ip retint_user+0x8/0x18
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
syz-executor.2 (9844) used greatest stack depth: 24712 bytes left
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
syz-executor.5 (9849) used greatest stack depth: 24488 bytes left
kauditd_printk_skb: 61 callbacks suppressed
audit: type=1804 audit(1608021420.973:73): pid=9899 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir469189860/syzkaller.yVFXX0/18/file0/file0" dev="sda1" ino=15762 res=1
audit: type=1804 audit(1608021421.033:74): pid=9895 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir469189860/syzkaller.yVFXX0/18/file0/file0" dev="sda1" ino=15762 res=1
audit: type=1804 audit(1608021421.033:75): pid=9895 uid=0 auid=0 ses=4 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir469189860/syzkaller.yVFXX0/18/file0/file0" dev="sda1" ino=15762 res=1
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
nla_parse: 15 callbacks suppressed
netlink: 176 bytes leftover after parsing attributes in process `syz-executor.3'.
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue