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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-07-24 18:18:23 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-07-28 19:15:26 +0200 |
| commit | 54b798638e68dcebed5c42a216b403004a97f73e (patch) | |
| tree | 573c2357bc170cda617954e41e80418910b052fe /tools | |
| parent | fc300613bec1e55974d45f955265b72cbf9b5683 (diff) | |
| download | ffmpeg-54b798638e68dcebed5c42a216b403004a97f73e.tar.gz | |
tools/target_dec_fuzzer: Fix extradata duplication
Fixes: out of array access
Fixes: 36340/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5872546875572224.fuzz
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/target_dec_fuzzer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c index 3e7689b7ec..843b447f83 100644 --- a/tools/target_dec_fuzzer.c +++ b/tools/target_dec_fuzzer.c @@ -317,7 +317,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { } parser_avctx->codec_id = ctx->codec_id; parser_avctx->extradata_size = ctx->extradata_size; - parser_avctx->extradata = av_memdup(ctx->extradata, ctx->extradata_size); + parser_avctx->extradata = ctx->extradata ? av_memdup(ctx->extradata, ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE) : NULL; int got_frame; |