* [FFmpeg-devel] [PATCH] release/8.0: libavformat: backporting bugfix for udp (PR #20938)
@ 2025-11-17 6:28 Jack Lau via ffmpeg-devel
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From: Jack Lau via ffmpeg-devel @ 2025-11-17 6:28 UTC (permalink / raw)
To: ffmpeg-devel; +Cc: Jack Lau
PR #20938 opened by Jack Lau (JackLau)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20938
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20938.patch
>From 175d0fc3cbb1f9ae8954317985e41555d828771b Mon Sep 17 00:00:00 2001
From: Desmond Liu <desmond.liu@netint.ca>
Date: Thu, 30 Oct 2025 17:22:12 -0700
Subject: [PATCH] libavformat/udp: Fix call to recvfrom(2)
Last parameter to recvfrom() is not initialized, causing
recvfrom() to randomly return EINVAL. Issue was introduced in
af04a27893.
---
libavformat/udp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavformat/udp.c b/libavformat/udp.c
index c3c5579fde..a9db47e981 100644
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -540,6 +540,7 @@ static void *circular_buffer_task_rx( void *_URLContext)
}
while(1) {
UDPQueuedPacketHeader pkt_header;
+ pkt_header.addr_len = sizeof(pkt_header.addr);
pthread_mutex_unlock(&s->mutex);
/* Blocking operations are always cancellation points;
--
2.49.1
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2025-11-17 6:28 [FFmpeg-devel] [PATCH] release/8.0: libavformat: backporting bugfix for udp (PR #20938) Jack Lau via ffmpeg-devel
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