BUG: memory leak
unreferenced object 0xffff888111c43fc0 (size 64):
  comm "syz-executor008", pid 8484, jiffies 4294942052 (age 12.390s)
  hex dump (first 32 bytes):
    00 c8 2d 0d 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:
    [<00000000b56e015a>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000b56e015a>] v2_read_file_info+0x1ae/0x430 fs/quota/quota_v2.c:122
    [<0000000089736076>] dquot_load_quota_sb+0x351/0x650 fs/quota/dquot.c:2387
    [<000000004576d5c9>] dquot_load_quota_inode fs/quota/dquot.c:2423 [inline]
    [<000000004576d5c9>] dquot_load_quota_inode+0xda/0x160 fs/quota/dquot.c:2415
    [<00000000b7afd764>] ext4_quota_enable fs/ext4/super.c:6362 [inline]
    [<00000000b7afd764>] ext4_enable_quotas+0x1b2/0x2f0 fs/ext4/super.c:6388
    [<00000000bf982349>] ext4_fill_super+0x3bc5/0x5ac0 fs/ext4/super.c:5046
    [<00000000cfade37a>] mount_bdev+0x223/0x260 fs/super.c:1366
    [<000000008237d9de>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<000000005c4271fb>] vfs_get_tree+0x28/0x100 fs/super.c:1496
    [<000000008a2e61ef>] do_new_mount fs/namespace.c:2875 [inline]
    [<000000008a2e61ef>] path_mount+0xc5e/0x1170 fs/namespace.c:3205
    [<000000008d63f4fb>] do_mount fs/namespace.c:3218 [inline]
    [<000000008d63f4fb>] __do_sys_mount fs/namespace.c:3426 [inline]
    [<000000008d63f4fb>] __se_sys_mount fs/namespace.c:3403 [inline]
    [<000000008d63f4fb>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3403
    [<00000000a1d9767c>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<0000000072f5b948>] entry_SYSCALL_64_after_hwframe+0x44/0xa9