audit: type=1804 audit(1608070722.703:10): pid=9494 uid=0 auid=0 ses=4 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir169436433/syzkaller.AdporO/0/bus" dev="sda1" ino=15755 res=1 ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README Error parsing options; rc = [-22] audit: type=1804 audit(1608070722.803:11): pid=9511 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir913119548/syzkaller.Q6rYpO/1/bus" dev="sda1" ino=15760 res=1 WARNING: can't dereference registers at 00000000000007c5 for ip retint_user+0x8/0x18 ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README Error parsing options; rc = [-22] ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README Error parsing options; rc = [-22] syz-executor.2 (9574) used greatest stack depth: 24944 bytes left input: syz1 as /devices/virtual/input/input5 input: syz1 as /devices/virtual/input/input6 input: syz1 as /devices/virtual/input/input7 input: syz1 as /devices/virtual/input/input8 input: syz1 as /devices/virtual/input/input9 semctl(GETNCNT/GETZCNT) is since 3.16 Single Unix Specification compliant. The task syz-executor.2 (9825) triggered the difference, watch for misbehavior. input: syz1 as /devices/virtual/input/input10 input: syz1 as /devices/virtual/input/input11 syz-executor.0 uses obsolete (PF_INET,SOCK_PACKET) input: syz1 as /devices/virtual/input/input12 EXT4-fs (loop4): error: could not find journal device path: error -2 kauditd_printk_skb: 35 callbacks suppressed audit: type=1804 audit(1608070731.896:47): pid=10083 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir231358349/syzkaller.g1AZXI/27/file1/bus" dev="loop1" ino=3 res=1 EXT4-fs (loop0): VFS: Can't find ext4 filesystem EXT4-fs (loop4): error: could not find journal device path: error -2 audit: type=1804 audit(1608070731.996:48): pid=10083 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir231358349/syzkaller.g1AZXI/27/file1/bus" dev="loop1" ino=3 res=1 attempt to access beyond end of device loop1: rw=1, want=230, limit=60 EXT4-fs (loop4): error: could not find journal device path: error -2 EXT4-fs (loop0): VFS: Can't find ext4 filesystem audit: type=1804 audit(1608070732.196:49): pid=10125 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir231358349/syzkaller.g1AZXI/28/file1/bus" dev="loop1" ino=4 res=1 attempt to access beyond end of device loop1: rw=1, want=64, limit=60 EXT4-fs (loop4): error: could not find journal device path: error -2 audit: type=1804 audit(1608070732.426:50): pid=10155 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir231358349/syzkaller.g1AZXI/29/file1/bus" dev="loop1" ino=5 res=1 EXT4-fs (loop0): VFS: Can't find ext4 filesystem attempt to access beyond end of device loop1: rw=1, want=64, limit=60 EXT4-fs (loop4): error: could not find journal device path: error -2 audit: type=1804 audit(1608070732.726:51): pid=10190 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir231358349/syzkaller.g1AZXI/30/file1/bus" dev="loop1" ino=6 res=1 EXT4-fs (loop0): VFS: Can't find ext4 filesystem