[  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 '10.128.15.192' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   50.652888][ T8433] loop0: detected capacity change from 4096 to 0
[   50.661868][ T8433] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   50.671439][ T8433] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   50.685700][ T8433] EXT4-fs (loop0): mount failed
executing program
[   55.892588][ T8441] loop0: detected capacity change from 4096 to 0
[   55.900707][ T8441] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   55.910703][ T8441] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   55.925276][ T8441] EXT4-fs (loop0): mount failed
executing program
[   61.169366][ T8449] loop0: detected capacity change from 4096 to 0
[   61.179515][ T8449] Quota error (device loop0): v2_read_file_info: Free block number too big (0 >= 0).
[   61.190276][ T8449] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix.
[   61.207100][ T8449] EXT4-fs (loop0): mount failed
[   62.351019][ T8432] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   66.431124][ T8432] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88811026acc0 (size 64):
  comm "syz-executor321", pid 8433, jiffies 4294942333 (age 17.980s)
  hex dump (first 32 bytes):
    00 e8 75 0d 81 88 ff ff 00 00 00 00 00 00 00 00  ..u.............
    00 00 00 00 00 00 00 00 0a 00 00 00 48 00 00 00  ............H...
  backtrace:
    [<000000001208c9ea>] v2_read_file_info+0x1ae/0x430
    [<00000000a200a46a>] dquot_load_quota_sb+0x351/0x650
    [<000000003d6b1d81>] dquot_load_quota_inode+0xda/0x160
    [<0000000012c97395>] ext4_enable_quotas+0x1b2/0x2f0
    [<000000008395f0b3>] ext4_fill_super+0x3fa5/0x5ad0
    [<00000000f27b2d1a>] mount_bdev+0x223/0x260
    [<000000004e7ce403>] legacy_get_tree+0x2b/0x90
    [<0000000034ce38bc>] vfs_get_tree+0x28/0x100
    [<00000000d2c5e6e3>] path_mount+0xc5e/0x1170
    [<00000000dd32ef97>] __x64_sys_mount+0x18e/0x1d0
    [<00000000c508454a>] do_syscall_64+0x2d/0x70
    [<00000000903ed3a4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810b306e80 (size 64):
  comm "syz-executor321", pid 8441, jiffies 4294942857 (age 12.740s)
  hex dump (first 32 bytes):
    00 e0 75 0d 81 88 ff ff 00 00 00 00 00 00 00 00  ..u.............
    00 00 00 00 00 00 00 00 0a 00 00 00 48 00 00 00  ............H...
  backtrace:
    [<000000001208c9ea>] v2_read_file_info+0x1ae/0x430
    [<00000000a200a46a>] dquot_load_quota_sb+0x351/0x650
    [<000000003d6b1d81>] dquot_load_quota_inode+0xda/0x160
    [<0000000012c97395>] ext4_enable_quotas+0x1b2/0x2f0
    [<000000008395f0b3>] ext4_fill_super+0x3fa5/0x5ad0
    [<00000000f27b2d1a>] mount_bdev+0x223/0x260
    [<000000004e7ce403>] legacy_get_tree+0x2b/0x90
    [<0000000034ce38bc>] vfs_get_tree+0x28/0x100
    [<00000000d2c5e6e3>] path_mount+0xc5e/0x1170
    [<00000000dd32ef97>] __x64_sys_mount+0x18e/0x1d0
    [<00000000c508454a>] do_syscall_64+0x2d/0x70
    [<00000000903ed3a4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811107c200 (size 64):
  comm "syz-executor321", pid 8449, jiffies 4294943385 (age 7.460s)
  hex dump (first 32 bytes):
    00 88 e9 0f 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:
    [<000000001208c9ea>] v2_read_file_info+0x1ae/0x430
    [<00000000a200a46a>] dquot_load_quota_sb+0x351/0x650
    [<000000003d6b1d81>] dquot_load_quota_inode+0xda/0x160
    [<0000000012c97395>] ext4_enable_quotas+0x1b2/0x2f0
    [<000000008395f0b3>] ext4_fill_super+0x3fa5/0x5ad0
    [<00000000f27b2d1a>] mount_bdev+0x223/0x260
    [<000000004e7ce403>] legacy_get_tree+0x2b/0x90
    [<0000000034ce38bc>] vfs_get_tree+0x28/0x100
    [<00000000d2c5e6e3>] path_mount+0xc5e/0x1170
    [<00000000dd32ef97>] __x64_sys_mount+0x18e/0x1d0
    [<00000000c508454a>] do_syscall_64+0x2d/0x70
    [<00000000903ed3a4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

[   68.579843][ T8432] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)