[  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.
[  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.190' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   54.482761][ T8475] loop0: detected capacity change from 4096 to 0
[   54.491325][ T8475] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   54.501436][ T8475] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   54.515935][ T8475] EXT4-fs (loop0): mount failed
executing program
[   60.510995][ T8483] loop0: detected capacity change from 4096 to 0
[   60.519042][ T8483] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   60.528980][ T8483] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   60.543366][ T8483] EXT4-fs (loop0): mount failed
[   61.512942][ T8474] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888110325780 (size 64):
  comm "syz-executor632", pid 8475, jiffies 4294942718 (age 14.020s)
  hex dump (first 32 bytes):
    00 d8 c3 01 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:
    [<00000000d049ca2e>] v2_read_file_info+0x1ae/0x430
    [<0000000084bcbc4c>] dquot_load_quota_sb+0x351/0x650
    [<00000000ff4b0ed3>] dquot_load_quota_inode+0xda/0x160
    [<000000008cc4a316>] ext4_enable_quotas+0x1b2/0x2f0
    [<00000000f880f2fd>] ext4_fill_super+0x3fa5/0x5ad0
    [<00000000d698be24>] mount_bdev+0x223/0x260
    [<00000000ea6f35f6>] legacy_get_tree+0x2b/0x90
    [<000000005831edf3>] vfs_get_tree+0x28/0x100
    [<00000000acdab439>] path_mount+0xc5e/0x1170
    [<0000000053d174e7>] __x64_sys_mount+0x18e/0x1d0
    [<000000009e299b22>] do_syscall_64+0x2d/0x70
    [<0000000044b5e3cd>] entry_SYSCALL_64_after_hwframe+0x44/0xa9