[  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 '10.128.15.198' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   60.503143][ T8467] loop0: detected capacity change from 4096 to 0
[   60.512055][ T8467] Quota error (device loop0): v2_read_file_info: Number of blocks too big for quota file size (1333371869184 > 6144).
[   60.524924][ T8467] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix.
[   60.545671][ T8467] EXT4-fs (loop0): mount failed
executing program
[   65.940865][ T8474] loop0: detected capacity change from 4096 to 0
[   65.949339][ T8474] Quota error (device loop0): v2_read_file_info: Number of blocks too big for quota file size (1333371869184 > 6144).
[   65.961747][ T8474] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix.
[   65.984178][ T8474] EXT4-fs (loop0): mount failed
[   67.109766][ T8466] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   73.385410][ T8466] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888111f8aa40 (size 64):
  comm "syz-executor065", pid 8467, jiffies 4294943311 (age 12.940s)
  hex dump (first 32 bytes):
    00 10 34 0f 81 88 ff ff 01 00 00 00 06 ca 9c 4d  ..4............M
    ad 71 ed 5d 49 e5 ce 55 0a 00 00 00 48 00 00 00  .q.]I..U....H...
  backtrace:
    [<00000000cb424592>] v2_read_file_info+0x1ae/0x430
    [<000000004a000935>] dquot_load_quota_sb+0x351/0x650
    [<00000000201105c9>] dquot_load_quota_inode+0xda/0x160
    [<00000000d5077e56>] ext4_enable_quotas+0x1b2/0x2f0
    [<00000000adab3a7c>] ext4_fill_super+0x3fa5/0x5ad0
    [<00000000f6014da0>] mount_bdev+0x223/0x260
    [<000000005383942c>] legacy_get_tree+0x2b/0x90
    [<00000000c8cb8a41>] vfs_get_tree+0x28/0x100
    [<00000000b8e6c1f0>] path_mount+0xc5e/0x1170
    [<000000001eb026cc>] __x64_sys_mount+0x18e/0x1d0
    [<0000000056f03224>] do_syscall_64+0x2d/0x70
    [<000000004d64be53>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810d3d18c0 (size 64):
  comm "syz-executor065", pid 8474, jiffies 4294943855 (age 7.500s)
  hex dump (first 32 bytes):
    00 18 34 0f 81 88 ff ff 01 00 00 00 06 ca 9c 4d  ..4............M
    ad 71 ed 5d 49 e5 ce 55 0a 00 00 00 48 00 00 00  .q.]I..U....H...
  backtrace:
    [<00000000cb424592>] v2_read_file_info+0x1ae/0x430
    [<000000004a000935>] dquot_load_quota_sb+0x351/0x650
    [<00000000201105c9>] dquot_load_quota_inode+0xda/0x160
    [<00000000d5077e56>] ext4_enable_quotas+0x1b2/0x2f0
    [<00000000adab3a7c>] ext4_fill_super+0x3fa5/0x5ad0
    [<00000000f6014da0>] mount_bdev+0x223/0x260
    [<000000005383942c>] legacy_get_tree+0x2b/0x90
    [<00000000c8cb8a41>] vfs_get_tree+0x28/0x100
    [<00000000b8e6c1f0>] path_mount+0xc5e/0x1170
    [<000000001eb026cc>] __x64_sys_mount+0x18e/0x1d0
    [<0000000056f03224>] do_syscall_64+0x2d/0x70
    [<000000004d64be53>] entry_SYSCALL_64_after_hwframe+0x44/0xa9