[PATCH 5.17 0137/1126] samples/landlock: Fix path_list memory leak

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From: Tom Rix <trix@xxxxxxxxxx>

commit 66b513b7c64a7290c1fbb88e657f7cece992e131 upstream.

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@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210428213852.2874324-1-trix@xxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Mickaël Salaün <mic@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 samples/landlock/sandboxer.c |    1 +
 1 file changed, 1 insertion(+)

--- a/samples/landlock/sandboxer.c
+++ b/samples/landlock/sandboxer.c
@@ -134,6 +134,7 @@ static int populate_ruleset(
 	ret = 0;
 
 out_free_name:
+	free(path_list);
 	free(env_path_name);
 	return ret;
 }





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