executing program
BUG: memory leak
unreferenced object 0xffff88811dec80e0 (size 32):
  comm "syz-executor663", pid 7236, jiffies 4294941946 (age 13.710s)
  hex dump (first 32 bytes):
    2e 2f 66 69 6c 65 30 07 00 fa 63 04 00 ea ff ff  ./file0...c.....
    40 a3 58 04 00 ea ff ff c0 08 a8 04 00 ea ff ff  @.X.............
  backtrace:
    [<0000000078ff471d>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000078ff471d>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000078ff471d>] slab_alloc mm/slab.c:3320 [inline]
    [<0000000078ff471d>] __do_kmalloc mm/slab.c:3654 [inline]
    [<0000000078ff471d>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671
    [<00000000fb9714b2>] kstrdup+0x3a/0x70 mm/util.c:60
    [<00000000403733bd>] reiserfs_fill_super+0x500/0x1120 fs/reiserfs/super.c:1946
    [<00000000004f4b0f>] mount_bdev+0x1ce/0x210 fs/super.c:1417
    [<00000000a84cb681>] get_super_block+0x35/0x40 fs/reiserfs/super.c:2604
    [<000000005a3d3b82>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<000000009b8178f2>] vfs_get_tree+0x2d/0xe0 fs/super.c:1547
    [<00000000e0284c93>] do_new_mount fs/namespace.c:2822 [inline]
    [<00000000e0284c93>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<00000000fbd9842a>] __do_sys_mount fs/namespace.c:3351 [inline]
    [<00000000fbd9842a>] __se_sys_mount fs/namespace.c:3328 [inline]
    [<00000000fbd9842a>] __x64_sys_mount+0xc0/0x140 fs/namespace.c:3328
    [<0000000014712042>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000008554ade9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9