linux-kernel - Re: KMSAN: uninit-value in nci_rx

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Date: Sun, 23 Jun 2024 13:25:43 -0700
From: syzbot <syzbot+3da70a0abd7f5765b6ea@...kaller.appspotmail.com>
To: jain.abhinav177@...il.com
Cc: jain.abhinav177@...il.com, syzkaller-bugs@...glegroups.com, 
	linux-kernel@...r.kernel.org
Subject: Re: KMSAN: uninit-value in nci_rx_work

> #syz 

unknown command "testhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git"

> testhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
> <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git614da38e2f7a>614da38e2f7a
>
>
> --- 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 */
> --