commit 7166429: [Minor] Zero terminate id string

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2020-03-11 17:56:34 +0000
URL: https://github.com/rspamd/rspamd/commit/716642909eb6cb263d9559f1f744192ac3b94af9 (HEAD -> master)

[Minor] Zero terminate id string

---
 src/libstat/learn_cache/redis_cache.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/libstat/learn_cache/redis_cache.c b/src/libstat/learn_cache/redis_cache.c
index 9b64cb622..bdf83f858 100644
--- a/src/libstat/learn_cache/redis_cache.c
+++ b/src/libstat/learn_cache/redis_cache.c
@@ -223,10 +223,15 @@ rspamd_stat_cache_redis_generate_id (struct rspamd_task *task)
 	rspamd_cryptobox_hash_final (&st, out);
 
 	b32out = rspamd_mempool_alloc (task->task_pool,
+			sizeof (out) * 8 / 5 + 3);
+	i = rspamd_encode_base32_buf (out, sizeof (out), b32out,
 			sizeof (out) * 8 / 5 + 2);
-	rspamd_encode_base32_buf (out, sizeof (out), b32out,
-			sizeof (out) * 8 / 5 + 2);
-	g_assert (b32out != NULL);
+
+	if (i > 0) {
+		/* Zero terminate */
+		b32out[i] = '\0';
+	}
+
 	rspamd_mempool_set_variable (task->task_pool, "words_hash", b32out, NULL);
 }