Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7;
MIME-Version: 1.0
Date:   Wed, 29 Nov 2023 03:26:24 -0800
In-Reply-To: <000000000000efc64705ff8286a1@google.com>
Message-ID: <00000000000023cb42060b48ce99@google.com>
Subject: Re: [syzbot] [wireless?] WARNING in rate_control_rate_init
From:   syzbot <syzbot+62d7eef57b09bfebcd84@syzkaller.appspotmail.com>
To:     linux-kernel@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org.

***

Subject: [wireless?] WARNING in rate_control_rate_init
Author: eadavis@qq.com

please test WARNING in rate_control_rate_init

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 6e2332e0ab53

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 606b1b2e4123..d0b5a5dd7410 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1788,10 +1788,10 @@ static int sta_link_apply_parameters(struct ieee80211_local *local,
 					  lockdep_is_held(&local->hw.wiphy->mtx));
 
 	/*
-	 * If there are no changes, then accept a link that doesn't exist,
+	 * If there are no changes, then accept a link that exist,
 	 * unless it's a new link.
 	 */
-	if (params->link_id < 0 && !new_link &&
+	if (params->link_id >= 0  && !new_link &&
 	    !params->link_mac && !params->txpwr_set &&
 	    !params->supported_rates_len &&
 	    !params->ht_capa && !params->vht_capa &&
-- 
2.43.0