[PATCH] samples/landlock: fix path_list memory leak

trix at redhat.com trix at redhat.com
Tue Apr 27 18:37:55 UTC 2021


From: Tom Rix <trix at redhat.com>

Clang static analysis reports this error

sandboxer.c:134:8: warning: Potential leak of memory
  pointed to by 'path_list'
        ret = 0;
              ^
path_list is allocated in parse_path() but never freed.

Signed-off-by: Tom Rix <trix at redhat.com>
---
 samples/landlock/sandboxer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/samples/landlock/sandboxer.c b/samples/landlock/sandboxer.c
index 7a15910d2171..4629d011ed61 100644
--- a/samples/landlock/sandboxer.c
+++ b/samples/landlock/sandboxer.c
@@ -134,6 +134,8 @@ static int populate_ruleset(
 	ret = 0;
 
 out_free_name:
+	if (path_list)
+		free(path_list);
 	free(env_path_name);
 	return ret;
 }
-- 
2.26.3



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