executing program
BUG: memory leak
unreferenced object 0xffff8881213779a0 (size 32):
  comm "syz-executor183", pid 7435, jiffies 4294944836 (age 13.900s)
  hex dump (first 32 bytes):
    2e 2f 66 69 6c 65 30 3d 00 30 00 00 00 00 00 00  ./file0=.0......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000006061193f>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000006061193f>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000006061193f>] slab_alloc mm/slab.c:3320 [inline]
    [<000000006061193f>] __do_kmalloc mm/slab.c:3654 [inline]
    [<000000006061193f>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671
    [<000000000e991fae>] kstrdup+0x3a/0x70 mm/util.c:60
    [<0000000060386e4d>] reiserfs_fill_super+0x500/0x1120 fs/reiserfs/super.c:1946
    [<0000000045525904>] mount_bdev+0x1ce/0x210 fs/super.c:1417
    [<00000000ac18b37d>] get_super_block+0x35/0x40 fs/reiserfs/super.c:2604
    [<00000000c50ed9b4>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000aba370f1>] vfs_get_tree+0x2d/0xe0 fs/super.c:1547
    [<000000004d108bfb>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004d108bfb>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000002fa681ab>] __do_sys_mount fs/namespace.c:3351 [inline]
    [<000000002fa681ab>] __se_sys_mount fs/namespace.c:3328 [inline]
    [<000000002fa681ab>] __x64_sys_mount+0xc0/0x140 fs/namespace.c:3328
    [<000000002be3733e>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<00000000a0f1a45b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9