linux-kernel - Re: [syzbot] KMSAN: uninit-value in nci_rx

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Date: Sun, 23 Jun 2024 14:19:43 -0700
From: syzbot <syzbot+3da70a0abd7f5765b6ea@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org
Subject: Re: [syzbot] KMSAN: uninit-value in nci_rx_work

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***

Subject: KMSAN: uninit-value in nci_rx_work
Author: jain.abhinav177@...il.com

#syz test

--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -1510,6 +1510,8 @@ static void nci_rx_work(struct work_struct *work)
   struct sk_buff *skb;

   for (; (skb = skb_dequeue(&ndev->rx_q)); kcov_remote_stop()) {
+ if (!skb)
+ return;
   kcov_remote_start_common(skb_get_kcov_handle(skb));

   /* Send copy to sniffer */
--