[FFmpeg-devel] [PATCH 3/5] avformat/aaxdec: Check avio_seek() in inner loop for failure

[Michael Niedermayer]

Fixes: Timeout
Fixes: 32450/clusterfuzz-testcase-minimized-ffmpeg_dem_AAX_fuzzer-4875522262827008

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavformat/aaxdec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavformat/aaxdec.c b/libavformat/aaxdec.c
index c6d2d1c8d1..ff9768efac 100644
--- a/libavformat/aaxdec.c
+++ b/libavformat/aaxdec.c
@@ -249,7 +249,10 @@ static int aax_read_header(AVFormatContext *s)
                 goto fail;
             }
 
-            avio_seek(pb, data_offset, SEEK_SET);
+            ret = avio_seek(pb, data_offset, SEEK_SET);
+            if (ret < 0)
+                goto fail;
+
             if (type == COLUMN_TYPE_VLDATA) {
                 int64_t start, size;
 
-- 
2.17.1