[FFmpeg-devel] [PATCH] avcodec/cbs_vp8: fix GetBitContext setup

Michael Niedermayer michael at niedermayer.cc
Sun Dec 17 15:18:46 EET 2023


Fixes: abort()
Fixes: 64232/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5417957987319808

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/cbs_vp8.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/cbs_vp8.c b/libavcodec/cbs_vp8.c
index 01d4b9cefef..065156c2485 100644
--- a/libavcodec/cbs_vp8.c
+++ b/libavcodec/cbs_vp8.c
@@ -307,7 +307,7 @@ static int cbs_vp8_read_unit(CodedBitstreamContext *ctx,
     frame = unit->content;
 
     // Create GetBitContext for uncompressed header.
-    err = init_get_bits8_le(&gbc, unit->data, 8 * unit->data_size);
+    err = init_get_bits8_le(&gbc, unit->data, unit->data_size);
     if (err < 0)
         return err;
 
-- 
2.17.1



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