BUG: memory leak
unreferenced object 0xffff88810d6f2c40 (size 64):
  comm "syz-executor579", pid 8495, jiffies 4294942275 (age 7.970s)
  hex dump (first 32 bytes):
    00 c8 a5 0e 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:
    [<000000000f1ca2c8>] kmalloc include/linux/slab.h:552 [inline]
    [<000000000f1ca2c8>] v2_read_file_info+0x1ae/0x430 fs/quota/quota_v2.c:122
    [<00000000c97b11e5>] dquot_load_quota_sb+0x351/0x650 fs/quota/dquot.c:2387
    [<00000000f9f0f7d5>] dquot_load_quota_inode fs/quota/dquot.c:2423 [inline]
    [<00000000f9f0f7d5>] dquot_load_quota_inode+0xda/0x160 fs/quota/dquot.c:2415
    [<00000000ec6e6081>] ext4_quota_enable fs/ext4/super.c:6362 [inline]
    [<00000000ec6e6081>] ext4_enable_quotas+0x1b2/0x2f0 fs/ext4/super.c:6388
    [<00000000c6d0cdb3>] ext4_fill_super+0x3bc5/0x5ac0 fs/ext4/super.c:5046
    [<00000000993958ea>] mount_bdev+0x223/0x260 fs/super.c:1366
    [<000000006b5d127e>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<00000000aaa1db85>] vfs_get_tree+0x28/0x100 fs/super.c:1496
    [<00000000e59c53ab>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000e59c53ab>] path_mount+0xc5e/0x1170 fs/namespace.c:3205
    [<000000009496ebef>] do_mount fs/namespace.c:3218 [inline]
    [<000000009496ebef>] __do_sys_mount fs/namespace.c:3426 [inline]
    [<000000009496ebef>] __se_sys_mount fs/namespace.c:3403 [inline]
    [<000000009496ebef>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3403
    [<0000000000cf0db1>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<0000000047ddc030>] entry_SYSCALL_64_after_hwframe+0x44/0xa9