Messages in this thread Patch in this message | | | Date | Mon, 18 Mar 2024 19:18:44 -0700 | Subject | Re: [syzbot] [PATCH net v2] nfc: nci: Fix uninit-value in nci_dev_up | From | syzbot <> |
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Subject: [PATCH net v2] 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 610a9b8f49fbcf1100716370d3b5f6f884a2835a
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 6c9592d05120..f471fc54c6a1 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -1512,6 +1512,11 @@ static void nci_rx_work(struct work_struct *work) nfc_send_to_raw_sock(ndev->nfc_dev, skb, RAW_PAYLOAD_NCI, NFC_DIRECTION_RX); + if (!nci_plen(skb->data)) { + kfree_skb(skb); + break; + } + /* Process frame */ switch (nci_mt(skb->data)) { case NCI_MT_RSP_PKT:
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