BUG: memory leak
unreferenced object 0xffff88810dfdbc00 (size 64):
  comm "syz-executor096", pid 8420, jiffies 4294942735 (age 14.130s)
  hex dump (first 32 bytes):
    00 90 be 0f 81 88 ff ff 01 00 00 00 06 ca 9c 4d  ...............M
    ad 71 ed 5d 49 e5 ce 55 0a 00 00 00 48 00 00 00  .q.]I..U....H...
  backtrace:
    [<0000000092b762c2>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000092b762c2>] v2_read_file_info+0x1ae/0x430 fs/quota/quota_v2.c:122
    [<0000000031251979>] dquot_load_quota_sb+0x351/0x650 fs/quota/dquot.c:2387
    [<000000003ce2ebd0>] dquot_load_quota_inode fs/quota/dquot.c:2423 [inline]
    [<000000003ce2ebd0>] dquot_load_quota_inode+0xda/0x160 fs/quota/dquot.c:2415
    [<0000000057bdec8a>] ext4_quota_enable fs/ext4/super.c:6400 [inline]
    [<0000000057bdec8a>] ext4_enable_quotas+0x1b2/0x2f0 fs/ext4/super.c:6426
    [<000000000b5475df>] ext4_fill_super+0x3fa5/0x5ad0 fs/ext4/super.c:5034
    [<000000000696d711>] mount_bdev+0x223/0x260 fs/super.c:1366
    [<00000000805f9d17>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<00000000fcbf4559>] vfs_get_tree+0x28/0x100 fs/super.c:1496
    [<000000009672f6e9>] do_new_mount fs/namespace.c:2881 [inline]
    [<000000009672f6e9>] path_mount+0xc5e/0x1170 fs/namespace.c:3211
    [<0000000050fa40a6>] do_mount fs/namespace.c:3224 [inline]
    [<0000000050fa40a6>] __do_sys_mount fs/namespace.c:3432 [inline]
    [<0000000050fa40a6>] __se_sys_mount fs/namespace.c:3409 [inline]
    [<0000000050fa40a6>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3409
    [<000000004c82aeed>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000003d0aa6cc>] entry_SYSCALL_64_after_hwframe+0x44/0xa9