luks/udisks2: explicitly NULL-terminate buffer

Technically, req.data is already NULL-terminated, but let's be explicit about this. Signed-off-by: Sergio Correia <[email protected]>
latchset · Mar 5, 2024 · e769432 · e769432
1 parent ff4d986
commit e769432
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/luks/udisks2/clevis-luks-udisks2.c b/src/luks/udisks2/clevis-luks-udisks2.c
@@ -591,6 +591,9 @@ main(int argc, char *const argv[])
         req.used = recv(pair[0], req.data, sizeof(req.data), 0);
         if (req.used < 1 || req.data[req.used - 1])
             break;
+        /* Technically, req.data is already NULL-terminated, but let's
+         * be explicit. */
+        req.data[req.used - 1] = '\0';
 
         if (crypt_init(&cd, req.data) < 0)
             goto next;