[  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 '10.128.10.11' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   52.368603][ T8454] loop0: detected capacity change from 4096 to 0
[   52.377429][ T8454] Quota error (device loop0): v2_read_file_info: Number of blocks too big for quota file size (52959232 > 6144).
[   52.389638][ T8454] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix.
[   52.410952][ T8454] EXT4-fs (loop0): mount failed
executing program
[   57.569258][ T8462] loop0: detected capacity change from 4096 to 0
[   57.577412][ T8462] Quota error (device loop0): v2_read_file_info: Number of blocks too big for quota file size (52959232 > 6144).
[   57.589375][ T8462] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix.
[   57.609842][ T8462] EXT4-fs (loop0): mount failed
[   58.613769][ T8453] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888110bbb2c0 (size 64):
  comm "syz-executor226", pid 8454, jiffies 4294942510 (age 12.360s)
  hex dump (first 32 bytes):
    00 30 62 05 81 88 ff ff 01 00 00 00 06 ca 00 00  .0b.............
    00 00 00 00 00 00 00 00 0a 00 00 00 48 00 00 00  ............H...
  backtrace:
    [<00000000812cc53f>] v2_read_file_info+0x1ae/0x430
    [<000000005e1cfcca>] dquot_load_quota_sb+0x351/0x650
    [<000000008bbaf372>] dquot_load_quota_inode+0xda/0x160
    [<00000000310aef32>] ext4_enable_quotas+0x1b2/0x2f0
    [<00000000ca6651bf>] ext4_fill_super+0x3fa5/0x5ad0
    [<000000003739b907>] mount_bdev+0x223/0x260
    [<00000000d62b13e5>] legacy_get_tree+0x2b/0x90
    [<00000000e4d510da>] vfs_get_tree+0x28/0x100
    [<00000000c2928b9b>] path_mount+0xc5e/0x1170
    [<0000000099e1a06a>] __x64_sys_mount+0x18e/0x1d0
    [<000000005761c5e1>] do_syscall_64+0x2d/0x70
    [<00000000938a3807>] entry_SYSCALL_64_after_hwframe+0x44/0xa9