BUG: memory leak
unreferenced object 0xffff888108cc55c0 (size 64):
  comm "syz-executor618", pid 8471, jiffies 4294944197 (age 13.920s)
  hex dump (first 32 bytes):
    00 68 6d 10 81 88 ff ff 00 00 00 00 00 00 00 00  .hm.............
    00 00 00 00 00 00 00 00 0a 00 00 00 48 00 00 00  ............H...
  backtrace:
    [<00000000ca20aa57>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000ca20aa57>] v2_read_file_info+0x1ae/0x430 fs/quota/quota_v2.c:122
    [<00000000ace02a8f>] dquot_load_quota_sb+0x351/0x650 fs/quota/dquot.c:2387
    [<0000000093326c85>] dquot_load_quota_inode fs/quota/dquot.c:2423 [inline]
    [<0000000093326c85>] dquot_load_quota_inode+0xda/0x160 fs/quota/dquot.c:2415
    [<00000000b64d9a2e>] ext4_quota_enable fs/ext4/super.c:6354 [inline]
    [<00000000b64d9a2e>] ext4_enable_quotas+0x1b2/0x2f0 fs/ext4/super.c:6380
    [<00000000bd804dad>] ext4_fill_super+0x3fa5/0x5ad0 fs/ext4/super.c:4994
    [<00000000f5c5c5c0>] mount_bdev+0x223/0x260 fs/super.c:1366
    [<00000000b8cf61f5>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<000000006ac0eb1e>] vfs_get_tree+0x28/0x100 fs/super.c:1496
    [<0000000066eda216>] do_new_mount fs/namespace.c:2878 [inline]
    [<0000000066eda216>] path_mount+0xc5e/0x1170 fs/namespace.c:3208
    [<0000000096c445d8>] do_mount fs/namespace.c:3221 [inline]
    [<0000000096c445d8>] __do_sys_mount fs/namespace.c:3429 [inline]
    [<0000000096c445d8>] __se_sys_mount fs/namespace.c:3406 [inline]
    [<0000000096c445d8>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3406
    [<00000000463f05ed>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000003d0c1371>] entry_SYSCALL_64_after_hwframe+0x44/0xa9