Bail before running off the end of the class index
Change-Id: I47c4eaac3c7d789f8d85047e34e37e3f0bb38b3a
Signed-off-by: Joshua Brindle <brindle@xxxxxxxxxxxxxxxxx>
---
libsepol/src/services.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libsepol/src/services.c b/libsepol/src/services.c
index d64a8e8..8679545 100644
--- a/libsepol/src/services.c
+++ b/libsepol/src/services.c
@@ -1155,7 +1155,7 @@ int hidden sepol_string_to_security_class(const char *class_name,
char *class = NULL;
sepol_security_class_t id;
- for (id = 1;; id++) {
+ for (id = 1; id < policydb->p_classes.nprim; id++) {
class = policydb->p_class_val_to_name[id - 1];
if (class == NULL) {
ERR(NULL, "could not convert %s to class id", class_name);
@@ -1166,6 +1166,8 @@ int hidden sepol_string_to_security_class(const char *class_name,
return STATUS_SUCCESS;
}
}
+ ERR(NULL, "unrecognized class %s", class_name);
+ return -EINVAL;
}
/*
--
2.1.0
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