[  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 '10.128.0.112' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   48.676053][ T8447] loop0: detected capacity change from 4096 to 0
[   48.685401][ T8447] Quota error (device loop0): v2_read_file_info: Number of blocks too big for quota file size (52959232 > 6144).
[   48.697400][ T8447] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix.
[   48.724527][ T8447] EXT4-fs (loop0): mount failed
[   54.634517][ T8446] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff8881114140c0 (size 64):
  comm "syz-executor519", pid 8447, jiffies 4294942141 (age 8.000s)
  hex dump (first 32 bytes):
    00 50 ee 09 81 88 ff ff 01 00 00 00 06 ca 00 00  .P..............
    00 00 00 00 00 00 00 00 0a 00 00 00 48 00 00 00  ............H...
  backtrace:
    [<00000000b52ec995>] v2_read_file_info+0x1ae/0x430
    [<000000003c059f02>] dquot_load_quota_sb+0x351/0x650
    [<000000009d089671>] dquot_load_quota_inode+0xda/0x160
    [<000000009e19880b>] ext4_enable_quotas+0x1b2/0x2f0
    [<00000000308c0cf6>] ext4_fill_super+0x3fa5/0x5ad0
    [<00000000feeca98b>] mount_bdev+0x223/0x260
    [<000000009f5411ad>] legacy_get_tree+0x2b/0x90
    [<00000000b4ceca64>] vfs_get_tree+0x28/0x100
    [<0000000088f55691>] path_mount+0xc5e/0x1170
    [<000000000a559371>] __x64_sys_mount+0x18e/0x1d0
    [<0000000058e30c6e>] do_syscall_64+0x2d/0x70
    [<000000004c4f1053>] entry_SYSCALL_64_after_hwframe+0x44/0xa9