[  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 '10.128.0.230' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   48.574044][ T8459] loop0: detected capacity change from 4096 to 0
[   48.582509][ T8459] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   48.592020][ T8459] EXT4-fs warning (device loop0): ext4_enable_quotas:6384: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   48.606174][ T8459] EXT4-fs (loop0): mount failed
executing program
[   53.720257][ T8467] loop0: detected capacity change from 4096 to 0
[   53.728183][ T8467] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   53.738061][ T8467] EXT4-fs warning (device loop0): ext4_enable_quotas:6384: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   53.752393][ T8467] EXT4-fs (loop0): mount failed
executing program
[   58.888618][ T8475] loop0: detected capacity change from 4096 to 0
[   58.897182][ T8475] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   58.906717][ T8475] EXT4-fs warning (device loop0): ext4_enable_quotas:6384: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   58.921117][ T8475] EXT4-fs (loop0): mount failed
executing program
[   64.084363][ T8483] loop0: detected capacity change from 4096 to 0
[   64.092447][ T8483] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   64.102249][ T8483] EXT4-fs warning (device loop0): ext4_enable_quotas:6384: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   64.116589][ T8483] EXT4-fs (loop0): mount failed
[   65.185381][ T8458] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810fce1900 (size 64):
  comm "syz-executor360", pid 8475, jiffies 4294943158 (age 12.390s)
  hex dump (first 32 bytes):
    00 38 a5 09 81 88 ff ff 00 00 00 00 00 00 00 00  .8..............
    00 00 00 00 00 00 00 00 0a 00 00 00 48 00 00 00  ............H...
  backtrace:
    [<00000000bef9b4e3>] v2_read_file_info+0x1ae/0x430
    [<00000000f20f6cc4>] dquot_load_quota_sb+0x351/0x650
    [<00000000df25e1ea>] dquot_load_quota_inode+0xda/0x160
    [<000000001941b88f>] ext4_enable_quotas+0x1b2/0x2f0
    [<0000000099376693>] ext4_fill_super+0x3fa5/0x5ad0
    [<000000008143dcee>] mount_bdev+0x223/0x260
    [<00000000373a1e8d>] legacy_get_tree+0x2b/0x90
    [<000000007329837b>] vfs_get_tree+0x28/0x100
    [<0000000022019c6e>] path_mount+0xc5e/0x1170
    [<00000000c7279014>] __x64_sys_mount+0x18e/0x1d0
    [<000000003f67aea8>] do_syscall_64+0x2d/0x70
    [<000000004eb6a7e5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9