[PATCH AUTOSEL 5.8 23/27] tools/testing/selftests/cgroup/cgroup_util.c: cg_read_strcmp: fix null pointer dereference
From: Sasha Levin <sashal@kernel.org>
Date: 2020-08-20 00:02:06
Also in:
linux-kselftest, lkml
Subsystem:
control group (cgroup), kernel selftest framework, the rest · Maintainers:
Tejun Heo, Johannes Weiner, Michal Koutný, Shuah Khan, Linus Torvalds
From: Gaurav Singh <redacted> [ Upstream commit d830020656c5b68ced962ed3cb51a90e0a89d4c4 ] Haven't reproduced this issue. This PR is does a minor code cleanup. Signed-off-by: Gaurav Singh <redacted> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Michal Koutn <mkoutny@suse.com> Cc: Roman Gushchin <redacted> Cc: Christian Brauner <redacted> Cc: Chris Down <chris@chrisdown.name> Link: http://lkml.kernel.org/r/20200726013808.22242-1-gaurav1086@gmail.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- tools/testing/selftests/cgroup/cgroup_util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c
index 8a637ca7d73a4..05853b0b88318 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.c
+++ b/tools/testing/selftests/cgroup/cgroup_util.c@@ -106,7 +106,7 @@ int cg_read_strcmp(const char *cgroup, const char *control, /* Handle the case of comparing against empty string */ if (!expected) - size = 32; + return -1; else size = strlen(expected) + 1;
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2.25.1