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bsf/media100_to_mjpegb: Clear output buffer padding

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Fixes: use-of-uninitialized-value
Fixes: 70855/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MEDIA100_fuzzer-5537446610141184

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-08-03 13:30:28 +02:00
parent d7f83fc2f4
commit a0f22218f7
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1 changed files with 1 additions and 0 deletions
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libavcodec/bsf/media100_to_mjpegb.c
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@ -148,6 +148,7 @@ second_field:
AV_WB32(out->data + second_field_offset + 36, sod_offset[1] - second_field_offset); AV_WB32(out->data + second_field_offset + 36, sod_offset[1] - second_field_offset);
out->size = bytestream2_tell_p(&pb); out->size = bytestream2_tell_p(&pb);
memset(out->data + out->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
ret = av_packet_copy_props(out, in); ret = av_packet_copy_props(out, in);
if (ret < 0) if (ret < 0)