[FFmpeg-devel] [PATCH 4/6] avformat/asfdec_f: Use 64bit for packet start time

Michael Niedermayer michael at niedermayer.cc
Tue Jul 19 14:34:51 EEST 2022


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>
---
 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 7fc174635b..bdbd4271c8 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;
-- 
2.17.1



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