[  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 '10.128.10.31' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   50.670163][ T8441] loop0: detected capacity change from 4096 to 0
[   50.679116][ T8441] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   50.689259][ T8441] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   50.703763][ T8441] EXT4-fs (loop0): mount failed
executing program
[   56.753339][ T8449] loop0: detected capacity change from 4096 to 0
[   56.761979][ T8449] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   56.771610][ T8449] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   56.786290][ T8449] EXT4-fs (loop0): mount failed
[   62.766111][ T8440] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888112c8a880 (size 64):
  comm "syz-executor435", pid 8441, jiffies 4294942332 (age 14.170s)
  hex dump (first 32 bytes):
    00 98 cd 0d 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:
    [<00000000de070e84>] v2_read_file_info+0x1ae/0x430
    [<000000002ea461f9>] dquot_load_quota_sb+0x351/0x650
    [<000000005435ce81>] dquot_load_quota_inode+0xda/0x160
    [<00000000d742b337>] ext4_enable_quotas+0x1b2/0x2f0
    [<00000000e96a1d2b>] ext4_fill_super+0x3fa5/0x5ad0
    [<000000005d432f05>] mount_bdev+0x223/0x260
    [<00000000e0433206>] legacy_get_tree+0x2b/0x90
    [<000000004a4b0e45>] vfs_get_tree+0x28/0x100
    [<00000000765df8f7>] path_mount+0xc5e/0x1170
    [<00000000eb94e996>] __x64_sys_mount+0x18e/0x1d0
    [<000000003db51d04>] do_syscall_64+0x2d/0x70
    [<0000000018961fbb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9