[PATCH] kselftest/arm64: fix a memleak in zt_regs_run()

From: Ding Xiang
Date: Tue Aug 15 2023 - 03:53:27 EST


If memcmp() does not return 0, "zeros" need to be freed to prevent memleak

Signed-off-by: Ding Xiang <dingxiang@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/arm64/signal/testcases/zt_regs.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/arm64/signal/testcases/zt_regs.c b/tools/testing/selftests/arm64/signal/testcases/zt_regs.c
index e1eb4d5c027a..2e384d731618 100644
--- a/tools/testing/selftests/arm64/signal/testcases/zt_regs.c
+++ b/tools/testing/selftests/arm64/signal/testcases/zt_regs.c
@@ -65,6 +65,7 @@ int zt_regs_run(struct tdescr *td, siginfo_t *si, ucontext_t *uc)
if (memcmp(zeros, (char *)zt + ZT_SIG_REGS_OFFSET,
ZT_SIG_REGS_SIZE(zt->nregs)) != 0) {
fprintf(stderr, "ZT data invalid\n");
+ free(zeros);
return 1;
}

--
2.38.1