From: Vsevolod Stakhov <vsevolod@rspamd.com>
Date: Tue, 21 Nov 2023 14:47:19 +0000 (+0000)
Subject: [Fix] Fix overflow in fuzzy_stats command
X-Git-Tag: 3.8.0~54^2~3
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=a16bea0e74b6bd17f54cf296cf1807a1e83ab2da;p=rspamd.git

[Fix] Fix overflow in fuzzy_stats command
---

diff --git a/src/fuzzy_storage.c b/src/fuzzy_storage.c
index b8ee95c15..99d2ef1a1 100644
--- a/src/fuzzy_storage.c
+++ b/src/fuzzy_storage.c
@@ -1333,8 +1333,9 @@ rspamd_fuzzy_process_command(struct fuzzy_session *session)
 	}
 	else if (cmd->cmd == FUZZY_STAT) {
 		result.v1.prob = 1.0f;
-		result.v1.value = 0;
-		result.v1.flag = session->ctx->stat.fuzzy_hashes;
+		/* Store high qword in value and low qword in flag */
+		result.v1.value = (gint32) ((guint64) session->ctx->stat.fuzzy_hashes >> 32);
+		result.v1.flag = session->ctx->stat.fuzzy_hashes & G_MAXUINT32;
 		rspamd_fuzzy_make_reply(cmd, &result, session, send_flags);
 	}
 	else if (cmd->cmd == FUZZY_PING) {