netdev - [PATCH] wireless/nl80211.c: fix uninitialized variable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210329163036.135761-1-alaaemadhossney.ae@gmail.com>
Date:   Mon, 29 Mar 2021 18:30:36 +0200
From:   Alaa Emad <alaaemadhossney.ae@...il.com>
To:     johannes@...solutions.net, davem@...emloft.net, kuba@...nel.org
Cc:     gregkh@...uxfoundation.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller@...glegroups.com,
        Alaa Emad <alaaemadhossney.ae@...il.com>,
        syzbot+72b99dcf4607e8c770f3@...kaller.appspotmail.com
Subject: [PATCH] wireless/nl80211.c: fix uninitialized variable

Reported-by: syzbot+72b99dcf4607e8c770f3@...kaller.appspotmail.com
Signed-off-by: Alaa Emad <alaaemadhossney.ae@...il.com>
---
 net/wireless/nl80211.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 775d0c4d86c3..b87ab67ad33d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -210,7 +210,7 @@ static int validate_beacon_head(const struct nlattr *attr,
 	const struct element *elem;
 	const struct ieee80211_mgmt *mgmt = (void *)data;
 	bool s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
-	unsigned int fixedlen, hdrlen;
+	unsigned int fixedlen = 0, hdrlen;
 
 	if (s1g_bcn) {
 		fixedlen = offsetof(struct ieee80211_ext,
-- 
2.25.1