Commit 97d0dd1e authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf bench inject-buildid: Use zfree() to reduce chances of use after free 



Do defensive programming by using zfree() to initialize freed pointers
to NULL, so that eventual use after free result in a NULL pointer deref
instead of more subtle behaviour.

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e413f9f1

tools/perf/bench/inject-buildid.c

+2 −1
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include <linux/time64.h>

#include <linux/list.h>

#include <linux/err.h>

#include <linux/zalloc.h>

#include <internal/lib.h>

#include <subcmd/parse-options.h>
@@ -122,7 +123,7 @@ static void release_dso(void) 
	for (i = 0; i < nr_dsos; i++) {

		struct bench_dso *dso = &dsos[i];



		free(dso->name);

		zfree(&dso->name);

	}

	free(dsos);

}