From 8f59a9c95e84af33400cafc7fcddbcc871c1ac42 Mon Sep 17 00:00:00 2001 From: Ding Xiang Date: Tue, 15 Aug 2023 15:49:15 +0800 Subject: [PATCH] kselftest/arm64: fix a memleak in zt_regs_run() [ Upstream commit 46862da15e37efedb7d2d21e167f506c0b533772 ] If memcmp() does not return 0, "zeros" need to be freed to prevent memleak Signed-off-by: Ding Xiang Link: https://lore.kernel.org/r/20230815074915.245528-1-dingxiang@cmss.chinamobile.com Signed-off-by: Will Deacon Signed-off-by: Sasha Levin --- 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 e1eb4d5c027ab..2e384d731618b 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; }