WARNING: can't dereference registers at 00000000000009e1 for ip retint_user+0x8/0x18
FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
audit: type=1804 audit(1608012266.936:3): pid=9538 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir502100585/syzkaller.98ftu5/1/bus" dev="sda1" ino=15777 res=1
audit: type=1804 audit(1608012267.106:4): pid=9539 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir931153586/syzkaller.tC9X66/1/bus" dev="sda1" ino=15800 res=1
FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
audit: type=1804 audit(1608012267.966:5): pid=9605 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir502100585/syzkaller.98ftu5/2/bus" dev="sda1" ino=15778 res=1
audit: type=1804 audit(1608012268.206:6): pid=9619 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir931153586/syzkaller.tC9X66/2/bus" dev="sda1" ino=15804 res=1
audit: type=1804 audit(1608012268.326:7): pid=9625 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir260218499/syzkaller.Xlq5o8/4/bus" dev="sda1" ino=15805 res=1
FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
audit: type=1804 audit(1608012268.846:8): pid=9638 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir138523316/syzkaller.YfF6M9/7/bus" dev="sda1" ino=15810 res=1
audit: type=1804 audit(1608012268.876:9): pid=9637 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir068382154/syzkaller.fqgoF1/12/bus" dev="sda1" ino=15811 res=1
audit: type=1804 audit(1608012269.356:10): pid=9651 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir931153586/syzkaller.tC9X66/3/bus" dev="sda1" ino=15795 res=1
audit: type=1804 audit(1608012269.396:11): pid=9659 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir502100585/syzkaller.98ftu5/3/bus" dev="sda1" ino=15805 res=1
kauditd_printk_skb: 5 callbacks suppressed
audit: type=1804 audit(1608012270.866:17): pid=9711 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir260218499/syzkaller.Xlq5o8/6/bus" dev="sda1" ino=15819 res=1
audit: type=1804 audit(1608012271.406:18): pid=9730 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir068382154/syzkaller.fqgoF1/14/bus" dev="sda1" ino=15813 res=1
audit: type=1804 audit(1608012271.416:19): pid=9745 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir138523316/syzkaller.YfF6M9/9/bus" dev="sda1" ino=15814 res=1
audit: type=1804 audit(1608012271.716:20): pid=9758 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir863084255/syzkaller.W0csw1/7/bus" dev="sda1" ino=15815 res=1
audit: type=1804 audit(1608012272.706:21): pid=9842 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir863084255/syzkaller.W0csw1/8/bus" dev="sda1" ino=15813 res=1
print_req_error: I/O error, dev loop4, sector 0
EXT4-fs error (device sda1): mb_free_blocks:1464: group 6, inode 15772: block 198912:freeing already freed block (bit 2304); block bitmap corrupt.
EXT4-fs error (device sda1): ext4_mb_generate_buddy:754: group 6, block bitmap and bg descriptor inconsistent: 30446 vs 30447 free clusters
EXT4-fs (sda1): pa ffff888054157818: logic 0, phys. 198912, len 32
EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 6, free 16, pa_free 15
FAT-fs (loop4): Directory bread(block 5) failed
FAT-fs (loop4): Directory bread(block 6) failed
FAT-fs (loop4): Directory bread(block 5) failed
FAT-fs (loop4): Directory bread(block 6) failed
EXT4-fs error (device sda1): mb_free_blocks:1464: group 10, inode 15836: block 337952:freeing already freed block (bit 10272); block bitmap corrupt.
EXT4-fs error (device sda1): ext4_mb_generate_buddy:754: group 10, block bitmap and bg descriptor inconsistent: 8097 vs 8098 free clusters
EXT4-fs (sda1): pa ffff888054157668: logic 0, phys. 337952, len 32
EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 10, free 16, pa_free 15
EXT4-fs (sda1): pa ffff88808df94e58: logic 0, phys. 337920, len 32
EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 10, free 16, pa_free 15
FAT-fs (loop4): Directory bread(block 5) failed
FAT-fs (loop4): Directory bread(block 6) failed
EXT4-fs error (device sda1): mb_free_blocks:1464: group 13, inode 15772: block 428064:freeing already freed block (bit 2080); block bitmap corrupt.
EXT4-fs error (device sda1): ext4_mb_generate_buddy:754: group 13, block bitmap and bg descriptor inconsistent: 32704 vs 32705 free clusters
EXT4-fs (sda1): pa ffff88808df94bd0: logic 0, phys. 428064, len 32
EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 13, free 16, pa_free 15
EXT4-fs (sda1): pa ffff888054157230: logic 0, phys. 428032, len 32
FAT-fs (loop4): Directory bread(block 5) failed
FAT-fs (loop4): Directory bread(block 6) failed
EXT4-fs (sda1): pa ffff88808df94a20: logic 0, phys. 523776, len 32
EXT4-fs (sda1): pa ffff88808df94870: logic 0, phys. 276480, len 32
EXT4-fs (sda1): pa ffff88805dc11ce8: logic 0, phys. 460800, len 32
EXT4-fs (sda1): pa ffff88805dc11b38: logic 0, phys. 294944, len 32
MTD: Attempt to mount non-MTD device "/dev/loop2"
romfs: bad initial checksum on dev loop2.
EXT4-fs (sda1): pa ffff88808df941b0: logic 0, phys. 229408, len 32
MTD: Attempt to mount non-MTD device "/dev/loop2"
romfs: bad initial checksum on dev loop2.
MTD: Attempt to mount non-MTD device "/dev/loop2"
romfs: bad initial checksum on dev loop2.
MTD: Attempt to mount non-MTD device "/dev/loop2"
romfs: bad initial checksum on dev loop2.
MTD: Attempt to mount non-MTD device "/dev/loop2"
romfs: bad initial checksum on dev loop2.
L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.