[FFmpeg-cvslog] avformat/asfdec_f: Use 64bit for packet start time

Michael Niedermayer git at videolan.org
Mon Oct 10 16:56:36 EEST 2022


ffmpeg | branch: release/4.1 | Michael Niedermayer <michael at niedermayer.cc> | Tue Jul 19 00:32:18 2022 +0200| [c9d8271274e70ee34e44b246c8c79e0e39918c88] | committer: Michael Niedermayer

avformat/asfdec_f: Use 64bit for packet start time

Fixes: signed integer overflow: 2147483647 + 32 cannot be represented in type 'int'
Fixes: 49014/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_fuzzer-6314973315334144

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 8ed78486fcb065b5b459f14d4b1c3242f6d21ec7)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c9d8271274e70ee34e44b246c8c79e0e39918c88
---

 libavformat/asfdec_f.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c
index 2d7c0a7a5e..91104c19dc 100644
--- a/libavformat/asfdec_f.c
+++ b/libavformat/asfdec_f.c
@@ -104,7 +104,7 @@ typedef struct ASFContext {
     int ts_is_pts;
     int packet_multi_size;
     int packet_time_delta;
-    int packet_time_start;
+    int64_t packet_time_start;
     int64_t packet_pos;
 
     int stream_index;



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