From: Fedor Pchelkin <pchelkin@ispras.ru>
To: syzbot+f2cb6e0ffdb961921e4d@syzkaller.appspotmail.com
Cc: syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org
Subject: Re: [syzbot] [wireless?] KMSAN: uninit-value in ath9k_wmi_ctrl_rx
Date: Mon, 13 Mar 2023 13:28:07 +0300 [thread overview]
Message-ID: <20230313102807.wdd22btl5smkkcse@fpc> (raw)
#syz test: https://github.com/google/kmsan.git master
--- a/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/drivers/net/wireless/ath/ath9k/wmi.c
@@ -221,6 +221,9 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb,
if (unlikely(wmi->stopped))
goto free_skb;
+ if (unlikely(skb->len < sizeof(struct wmi_cmd_hdr)))
+ goto free_skb;
+
hdr = (struct wmi_cmd_hdr *) skb->data;
cmd_id = be16_to_cpu(hdr->command_id);
--
next reply other threads:[~2023-03-13 10:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-13 10:28 Fedor Pchelkin [this message]
2023-03-13 10:53 ` [syzbot] [wireless?] KMSAN: uninit-value in ath9k_wmi_ctrl_rx syzbot
-- strict thread matches above, loose matches on Subject: below --
2023-03-15 19:33 Fedor Pchelkin
2023-03-15 19:59 ` syzbot
2023-03-06 17:55 syzbot
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