[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.103' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   61.025225][ T8435] loop0: detected capacity change from 264192 to 0
[   61.041795][ T8435] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   61.051328][ T8435] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   61.065993][ T8435] EXT4-fs (loop0): mount failed
executing program
[   67.103169][ T8445] loop0: detected capacity change from 264192 to 0
[   67.121211][ T8445] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   67.130874][ T8445] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   67.145349][ T8445] EXT4-fs (loop0): mount failed
[   73.053084][ T8434] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888110a56fc0 (size 64):
  comm "syz-executor287", pid 8435, jiffies 4294943375 (age 14.090s)
  hex dump (first 32 bytes):
    00 40 fd 07 81 88 ff ff 00 00 00 00 00 00 00 00  .@..............
    00 00 00 00 00 00 00 00 0a 00 00 00 48 00 00 00  ............H...
  backtrace:
    [<00000000e84b24c5>] v2_read_file_info+0x1ae/0x430
    [<0000000081562c30>] dquot_load_quota_sb+0x351/0x650
    [<00000000278a9b12>] dquot_load_quota_inode+0xda/0x160
    [<00000000e9b9055b>] ext4_enable_quotas+0x1b2/0x2f0
    [<00000000fddaaf03>] ext4_fill_super+0x3fa5/0x5ad0
    [<00000000236f1166>] mount_bdev+0x223/0x260
    [<0000000093458175>] legacy_get_tree+0x2b/0x90
    [<00000000385709b3>] vfs_get_tree+0x28/0x100
    [<0000000080440eff>] path_mount+0xc5e/0x1170
    [<00000000492f73b3>] __x64_sys_mount+0x18e/0x1d0
    [<0000000079bcdc76>] do_syscall_64+0x2d/0x70
    [<000000009dabd2cf>] entry_SYSCALL_64_after_hwframe+0x44/0xa9