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Message-Id: <20230815074915.245528-1-dingxiang@cmss.chinamobile.com>
Date: Tue, 15 Aug 2023 15:49:15 +0800
From: Ding Xiang <dingxiang@...s.chinamobile.com>
To: catalin.marinas@....com, will@...nel.org, shuah@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org,
linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] kselftest/arm64: fix a memleak in zt_regs_run()
If memcmp() does not return 0, "zeros" need to be freed to prevent memleak
Signed-off-by: Ding Xiang <dingxiang@...s.chinamobile.com>
---
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
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