shivanayak 2fc54b8121 lib: fix ownership leaks in FUSE cache insert functions on malloc failure (#321)
In rlc_insert and xac_insert (lib/fuse.c), both functions take
ownership of a parameter (link and xattrs respectively) but fail to
free it when their own malloc calls fail. Under memory pressure in a
long-running FUSE process, each failed cache insertion leaks the
owned resource.

Co-authored-by: Claude <nore@anthro.com>
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Libguestfs is tools and a library for accessing and modifying guest
disk images.  For more information see the home page:

  http://libguestfs.org/

For discussion, development, patches, etc. please use the mailing
list:

  https://lists.libguestfs.org

To find out how to build libguestfs from source, read:

  docs/guestfs-building.pod
  http://libguestfs.org/guestfs-building.1.html
  man docs/guestfs-building.1

Copyright (C) 2009-2025 Red Hat Inc.

The library is distributed under the LGPLv2+.  The programs are
distributed under the GPLv2+.  Please see the files COPYING and
COPYING.LIB for full license information.  The examples are under a
very liberal license.
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