diff mbox series

[FFmpeg-devel,2/3] avformat/wavarc: Check if extradata has been fully read

Message ID 20230218231850.20522-2-michael@niedermayer.cc
State Accepted
Commit 2df271c78cd4b7d481a2d34abb71a2450b43c7e2
Headers show
Series [FFmpeg-devel,1/3] avcodec/ffv1dec: Check that num h/v slices is supported | expand

Checks

Context Check Description
yinshiyou/make_loongarch64 success Make finished
yinshiyou/make_fate_loongarch64 success Make fate finished
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Michael Niedermayer Feb. 18, 2023, 11:18 p.m. UTC 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/wavarc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/libavformat/wavarc.c b/libavformat/wavarc.c
index 208b723716..2b5d1b99eb 100644
--- a/libavformat/wavarc.c
+++ b/libavformat/wavarc.c
@@ -22,6 +22,7 @@ 
 #include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
 #include "avformat.h"
+#include "avio_internal.h"
 #include "demux.h"
 #include "internal.h"
 
@@ -84,7 +85,9 @@  static int wavarc_read_header(AVFormatContext *s)
     if (ret < 0)
         return ret;
     memcpy(par->extradata, data, sizeof(data));
-    avio_read(pb, par->extradata + sizeof(data), fmt_len);
+    ret = ffio_read_size(pb, par->extradata + sizeof(data), fmt_len);
+    if (ret < 0)
+        return ret;
 
     par->codec_type = AVMEDIA_TYPE_AUDIO;
     par->codec_id   = AV_CODEC_ID_WAVARC;