Attachment 241318 Details for Bug 270649 – Fix uninitialized packet pointer on error

[patch] Fix uninitialized packet pointer on error

0001-wpa_supplicant-hostapd-Fix-uninitialized-packet-poin.patch (text/plain), 1.09 KB, created by Cy Schubert on 2023-04-06 04:15:09 UTC

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Creator: Cy Schubert

Created: 2023-04-06 04:15:09 UTC

Size: 1.09 KB

patch

obsolete

>From 1d72835a195d403e6bdddfc79f7c519d622f5a2c Mon Sep 17 00:00:00 2001
>From: Cy Schubert <cy@FreeBSD.org>
>Date: Wed, 5 Apr 2023 21:07:15 -0700
>Subject: [PATCH] wpa_supplicant/hostapd: Fix uninitialized packet pointer on
> error
>
>The packet pointer (called packet) will remain uninitialized when
>pcap_next_ex() returns an error. This occurs when the wlan
>interfase is shut down using ifconfig destroy.
>
>PR:		270649
>Reported by:	Robert Morris <rtm@lcs.mit.edu>
>Fixes:		6e5d01124fd4
>MFC after:	3 days
>---
> contrib/wpa/src/l2_packet/l2_packet_freebsd.c | 1 +
> 1 file changed, 1 insertion(+)
>
>diff --git a/contrib/wpa/src/l2_packet/l2_packet_freebsd.c b/contrib/wpa/src/l2_packet/l2_packet_freebsd.c
>index 0461758ff210..7b96bd033c87 100644
>--- a/contrib/wpa/src/l2_packet/l2_packet_freebsd.c
>+++ b/contrib/wpa/src/l2_packet/l2_packet_freebsd.c
>@@ -85,6 +85,7 @@ static void l2_packet_receive(int sock, void *eloop_ctx, void *sock_ctx)
> 
> 	if (pcap_next_ex(pcap, &hdr, &packet) == -1) {
> 		wpa_printf(MSG_ERROR, "Error reading packet, has device disappeared?");
>+		packet = NULL;
> 		eloop_terminate();
> 	}
> 
>-- 
>2.40.0
>

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Attachments on bug 270649: 241318