[dpdk-stable] [dpdk-dev] [PATCH] eal: fix leak in shared lib mode detection

[Thomas Monjalon]

06/05/2021 12:40, Bruce Richardson:
> On Thu, May 06, 2021 at 12:06:37PM +0200, David Marchand wrote:
> > This is reported by our internal covscan:
> > 
> > 1. dpdk-20.11/lib/librte_eal/common/eal_common_options.c:508: alloc_fn:
> > Storage is returned from allocation function "dlopen".
> > 6. dpdk-20.11/lib/librte_eal/common/eal_common_options.c:508:
> > leaked_storage: Failing to save or free storage allocated by
> > "dlopen("librte_eal.so.21.0", 5)" leaks it.
> > 
> >  #   506|   	 * shared library is not already loaded i.e. it's
> >  #   statically linked.)
> >  #   507|   	 */
> >  #   508|-> 	if (dlopen("librte_eal.so."ABI_VERSION, RTLD_LAZY |
> >  #   RTLD_NOLOAD) != NULL &&
> >  #   509|   			*default_solib_dir != '\0' &&
> >  #   510|   			stat(default_solib_dir, &sb) == 0 &&
> > 
> > This leak is not an issue per se, but on the other hand, this is easy
> > to fix and I prefer not having to waive this warning later.
> > 
> > Fixes: 06c7871dde01 ("eal: restrict default plugin path to shared lib mode")
> > Cc: stable at dpdk.org
> > 
> > Signed-off-by: David Marchand <david.marchand at redhat.com>
> 
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>

Applied, thanks