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
...@@ -12,6 +12,7 @@ ...@@ -12,6 +12,7 @@
#include <linux/time64.h> #include <linux/time64.h>
#include <linux/list.h> #include <linux/list.h>
#include <linux/err.h> #include <linux/err.h>
#include <linux/zalloc.h>
#include <internal/lib.h> #include <internal/lib.h>
#include <subcmd/parse-options.h> #include <subcmd/parse-options.h>
...@@ -122,7 +123,7 @@ static void release_dso(void) ...@@ -122,7 +123,7 @@ static void release_dso(void)
for (i = 0; i < nr_dsos; i++) { for (i = 0; i < nr_dsos; i++) {
struct bench_dso *dso = &dsos[i]; struct bench_dso *dso = &dsos[i];
free(dso->name); zfree(&dso->name);
} }
free(dsos); free(dsos);
} }
......
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