From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Thu, 16 Apr 2026 11:27:42 +0000 (+0200)
Subject: [PATCH 08/12] doveadm: Fix ubsan unsigned integer overflow error
X-Git-Tag: archive/raspbian/1%2.4.1+dfsg1-6+rpi1+deb13u7^2~33
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=55f377e5bcad7b13c471d3611f79b43f4efdbefa;p=dovecot.git

[PATCH 08/12] doveadm: Fix ubsan unsigned integer overflow error


Gbp-Pq: Name 0008-doveadm-Fix-ubsan-unsigned-integer-overflow-error.patch
---

diff --git a/src/doveadm/doveadm-who.c b/src/doveadm/doveadm-who.c
index 2fbef7b..ecdbb88 100644
--- a/src/doveadm/doveadm-who.c
+++ b/src/doveadm/doveadm-who.c
@@ -49,10 +49,10 @@ static unsigned int who_user_hash(const struct who_user *user)
 	unsigned int hash = str_hash(user->service);
 
 	if (user->username[0] != '\0')
-		hash += str_hash(user->username);
+		hash ^= str_hash(user->username);
 	else {
 		who_user_ip(user, &ip);
-		hash += net_ip_hash(&ip);
+		hash ^= net_ip_hash(&ip);
 	}
 	return hash;
 }