Fix the following strncpy() string truncation warning:
In function ‘strncat’,
inlined from ‘cgroup_get_cgroup’ at api.c:3153:3:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: warning:
‘__builtin___strncat_chk’ output may be truncated copying between 0 and 4095
bytes from a string of length 4095 [-Wstringop-truncation]
136 | return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Tom Hromatka <tom.hroma...@oracle.com>
---
src/api.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/api.c b/src/api.c
index 51c4779eaf0f..4a980a157cde 100644
--- a/src/api.c
+++ b/src/api.c
@@ -3151,6 +3151,7 @@ int cgroup_get_cgroup(struct cgroup *cgroup)
path_len = strlen(path);
strncat(path, cgroup->name, FILENAME_MAX - path_len - 1);
+ path[sizeof(path) - 1] = '\0';
if (access(path, F_OK))
continue;
--
2.25.1
_______________________________________________
Libcg-devel mailing list
Libcg-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/libcg-devel
