From: syzbot <syzbot+7ea9413ea6749baf5574@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [syzbot] [PATCH] nfc: nci: Fix uninit-value in nci_dev_up
Date: Tue, 12 Mar 2024 06:41:15 -0700 [thread overview]
Message-ID: <000000000000e3ef32061376cfac@google.com> (raw)
In-Reply-To: <000000000000169132060fc66db3@google.com>
For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org.
***
Subject: [PATCH] nfc: nci: Fix uninit-value in nci_dev_up
Author: ryasuoka@redhat.com
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9f8413c4a66f2fb776d3dc3c9ed20bf435eb305e
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index 994a0a1efb58..56624387e253 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -765,6 +765,9 @@ void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb)
nci_opcode_oid(ntf_opcode),
nci_plen(skb->data));
+ if (!nci_plen(skb->data))
+ goto end;
+
/* strip the nci control header */
skb_pull(skb, NCI_CTRL_HDR_SIZE);
next prev parent reply other threads:[~2024-03-12 13:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-25 14:59 [syzbot] [net?] [nfc?] KMSAN: uninit-value in nci_dev_up syzbot
2024-01-25 16:23 ` syzbot
2024-03-10 6:12 ` [syzbot] [PATCH net] nfc: nci: Fix " syzbot
2024-03-12 13:41 ` syzbot [this message]
2024-03-12 14:31 ` syzbot
2024-03-18 15:56 ` [syzbot] [PATCH net v2] " syzbot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=000000000000e3ef32061376cfac@google.com \
--to=syzbot+7ea9413ea6749baf5574@syzkaller.appspotmail.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox