BUG: memory leak
unreferenced object 0xffff88810df2d740 (size 32):
  comm "syz-executor259", pid 7314, jiffies 4294941990 (age 7.890s)
  hex dump (first 32 bytes):
    2e 2f 66 69 6c 65 30 02 00 2d 6c 69 6e 75 78 2d  ./file0..-linux-
    78 38 36 2d 36 34 2e 73 6f 2e 32 00 00 00 00 00  x86-64.so.2.....
  backtrace:
    [<00000000014f0c0a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000014f0c0a>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000014f0c0a>] slab_alloc mm/slab.c:3320 [inline]
    [<00000000014f0c0a>] __do_kmalloc mm/slab.c:3654 [inline]
    [<00000000014f0c0a>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671
    [<00000000d81f8bc5>] kstrdup+0x3a/0x70 mm/util.c:60
    [<00000000c61892c5>] reiserfs_fill_super+0x500/0x1120 fs/reiserfs/super.c:1946
    [<00000000c12110b1>] mount_bdev+0x1ce/0x210 fs/super.c:1415
    [<000000004256d3e9>] get_super_block+0x35/0x40 fs/reiserfs/super.c:2604
    [<00000000974d4803>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000013eff38c>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000009b6fd4c9>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000009b6fd4c9>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000008273699e>] __do_sys_mount fs/namespace.c:3351 [inline]
    [<000000008273699e>] __se_sys_mount fs/namespace.c:3328 [inline]
    [<000000008273699e>] __x64_sys_mount+0xc0/0x140 fs/namespace.c:3328
    [<00000000ae8f9367>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<00000000e47310a5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9