summaryrefslogtreecommitdiff
path: root/tools/perf/arch
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2023-04-12 15:50:08 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-04-12 16:15:27 +0300
commit2e384400549be734795072b1d904880efc0db2f9 (patch)
treeacb21f9a49e1cc6c7f07f4021e0a95cc713a32cc /tools/perf/arch
parent9ccbc21166ce149c5f7429cad22f9073d3fab0b1 (diff)
downloadlinux-2e384400549be734795072b1d904880efc0db2f9.tar.xz
perf arm-spe: 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: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/arch')
-rw-r--r--tools/perf/arch/arm64/util/arm-spe.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c
index d4c234076541..ef497a29e814 100644
--- a/tools/perf/arch/arm64/util/arm-spe.c
+++ b/tools/perf/arch/arm64/util/arm-spe.c
@@ -479,7 +479,7 @@ static void arm_spe_recording_free(struct auxtrace_record *itr)
struct arm_spe_recording *sper =
container_of(itr, struct arm_spe_recording, itr);
- free(sper->wrapped);
+ zfree(&sper->wrapped);
free(sper);
}