BUG: memory leak
unreferenced object 0xffff888111ddcf40 (size 64):
  comm "syz-executor981", pid 8432, jiffies 4294943034 (age 13.380s)
  hex dump (first 32 bytes):
    00 a0 ff 09 81 88 ff ff 01 00 00 00 06 ca 00 00  ................
    00 00 00 00 00 00 00 00 0a 00 00 00 48 00 00 00  ............H...
  backtrace:
    [<000000004abd7154>] kmalloc include/linux/slab.h:552 [inline]
    [<000000004abd7154>] v2_read_file_info+0x1ae/0x430 fs/quota/quota_v2.c:122
    [<000000006f353314>] dquot_load_quota_sb+0x351/0x650 fs/quota/dquot.c:2387
    [<00000000fcb6ad4b>] dquot_load_quota_inode fs/quota/dquot.c:2423 [inline]
    [<00000000fcb6ad4b>] dquot_load_quota_inode+0xda/0x160 fs/quota/dquot.c:2415
    [<000000008f29739d>] ext4_quota_enable fs/ext4/super.c:6400 [inline]
    [<000000008f29739d>] ext4_enable_quotas+0x1b2/0x2f0 fs/ext4/super.c:6426
    [<0000000074e12bb8>] ext4_fill_super+0x3fa5/0x5ad0 fs/ext4/super.c:5034
    [<0000000012e62d32>] mount_bdev+0x223/0x260 fs/super.c:1366
    [<00000000200181ad>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<00000000555a4666>] vfs_get_tree+0x28/0x100 fs/super.c:1496
    [<00000000c342d472>] do_new_mount fs/namespace.c:2881 [inline]
    [<00000000c342d472>] path_mount+0xc5e/0x1170 fs/namespace.c:3211
    [<00000000ebe1043f>] do_mount fs/namespace.c:3224 [inline]
    [<00000000ebe1043f>] __do_sys_mount fs/namespace.c:3432 [inline]
    [<00000000ebe1043f>] __se_sys_mount fs/namespace.c:3409 [inline]
    [<00000000ebe1043f>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3409
    [<00000000ea8df145>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000009b399a39>] entry_SYSCALL_64_after_hwframe+0x44/0xa9