[  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 '10.128.0.66' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   52.641212][ T8476] loop0: detected capacity change from 4096 to 0
[   52.650587][ T8476] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   52.660215][ T8476] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   52.674842][ T8476] EXT4-fs (loop0): mount failed
executing program
[   58.376403][ T8484] loop0: detected capacity change from 4096 to 0
[   58.385087][ T8484] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   58.395213][ T8484] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   58.410179][ T8484] EXT4-fs (loop0): mount failed
executing program
[   64.174053][ T8491] loop0: detected capacity change from 4096 to 0
[   64.182591][ T8491] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   64.192277][ T8491] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   64.206743][ T8491] EXT4-fs (loop0): mount failed
executing program
[   69.822940][ T8499] loop0: detected capacity change from 4096 to 0
[   69.831396][ T8499] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   69.840959][ T8499] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   69.855178][ T8499] EXT4-fs (loop0): mount failed
[   71.118738][ T8475] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888111d63e00 (size 64):
  comm "syz-executor928", pid 8491, jiffies 4294943684 (age 13.590s)
  hex dump (first 32 bytes):
    00 98 6b 0d 81 88 ff ff 00 00 00 00 00 00 00 00  ..k.............
    00 00 00 00 00 00 00 00 0a 00 00 00 48 00 00 00  ............H...
  backtrace:
    [<0000000082b193b0>] v2_read_file_info+0x1ae/0x430
    [<0000000064e4493f>] dquot_load_quota_sb+0x351/0x650
    [<000000000b25d4d0>] dquot_load_quota_inode+0xda/0x160
    [<0000000062b8786e>] ext4_enable_quotas+0x1b2/0x2f0
    [<000000007f4efd02>] ext4_fill_super+0x3fa5/0x5ad0
    [<00000000d1b0255f>] mount_bdev+0x223/0x260
    [<000000002384ece9>] legacy_get_tree+0x2b/0x90
    [<000000004a78eed9>] vfs_get_tree+0x28/0x100
    [<0000000026625bd9>] path_mount+0xc5e/0x1170
    [<00000000affd9830>] __x64_sys_mount+0x18e/0x1d0
    [<0000000006825007>] do_syscall_64+0x2d/0x70
    [<000000000ca59d78>] entry_SYSCALL_64_after_hwframe+0x44/0xa9