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From: Qianqiang Liu <qianqiang.liu@163.com>
To: syzbot <syzbot+3f8fa0edaa75710cd66e@syzkaller.appspotmail.com>
Cc: davem@davemloft.net, edumazet@google.com, krzk@kernel.org,
	kuba@kernel.org, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org, pabeni@redhat.com,
	syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [net?] [nfc?] KMSAN: uninit-value in nci_ntf_packet (3)
Date: Sat, 12 Oct 2024 22:15:38 +0800	[thread overview]
Message-ID: <ZwqEijEvP7tGGZtW@fedora> (raw)
In-Reply-To: <000000000000dbc80e061b01a34f@google.com>

#syz test

diff --git a/drivers/nfc/virtual_ncidev.c b/drivers/nfc/virtual_ncidev.c
index 6b89d596ba9a..31da26287327 100644
--- a/drivers/nfc/virtual_ncidev.c
+++ b/drivers/nfc/virtual_ncidev.c
@@ -117,7 +117,7 @@ static ssize_t virtual_ncidev_write(struct file *file,
 	struct virtual_nci_dev *vdev = file->private_data;
 	struct sk_buff *skb;
 
-	skb = alloc_skb(count, GFP_KERNEL);
+	skb = alloc_skb(count, GFP_KERNEL | __GFP_ZERO);
 	if (!skb)
 		return -ENOMEM;
 
-- 
Best,
Qianqiang Liu


  parent reply	other threads:[~2024-10-12 14:16 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-16 13:15 [syzbot] [net?] [nfc?] KMSAN: uninit-value in nci_ntf_packet (3) syzbot
2024-10-06 23:20 ` syzbot
2024-10-12 14:15 ` Qianqiang Liu [this message]
2024-10-12 18:00   ` syzbot
2024-10-12 18:47     ` [PATCH] nfc/nci: Fix uninit-value issue in nci_ntf_packet Qianqiang Liu
2024-10-16  7:58       ` Krzysztof Kozlowski
2024-10-16  8:35         ` Qianqiang Liu

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