BUG: memory leak
unreferenced object 0xffff88811167bb00 (size 64):
  comm "syz-executor703", pid 8461, jiffies 4294942339 (age 12.890s)
  hex dump (first 32 bytes):
    00 d0 3b 0e 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:
    [<000000007b8af16c>] kmalloc include/linux/slab.h:552 [inline]
    [<000000007b8af16c>] v2_read_file_info+0x1ae/0x430 fs/quota/quota_v2.c:122
    [<00000000b06c7b95>] dquot_load_quota_sb+0x351/0x650 fs/quota/dquot.c:2387
    [<00000000c05a112c>] dquot_load_quota_inode fs/quota/dquot.c:2423 [inline]
    [<00000000c05a112c>] dquot_load_quota_inode+0xda/0x160 fs/quota/dquot.c:2415
    [<00000000b4fbc7c4>] ext4_quota_enable fs/ext4/super.c:6400 [inline]
    [<00000000b4fbc7c4>] ext4_enable_quotas+0x1b2/0x2f0 fs/ext4/super.c:6426
    [<00000000d988a17c>] ext4_fill_super+0x3fa5/0x5ad0 fs/ext4/super.c:5034
    [<0000000019d6f048>] mount_bdev+0x223/0x260 fs/super.c:1366
    [<00000000b5cac579>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<000000003bf46733>] vfs_get_tree+0x28/0x100 fs/super.c:1496
    [<0000000091c2020f>] do_new_mount fs/namespace.c:2881 [inline]
    [<0000000091c2020f>] path_mount+0xc5e/0x1170 fs/namespace.c:3211
    [<00000000292fd3a2>] do_mount fs/namespace.c:3224 [inline]
    [<00000000292fd3a2>] __do_sys_mount fs/namespace.c:3432 [inline]
    [<00000000292fd3a2>] __se_sys_mount fs/namespace.c:3409 [inline]
    [<00000000292fd3a2>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3409
    [<00000000b3b5d870>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000d2833d51>] entry_SYSCALL_64_after_hwframe+0x44/0xa9