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Code Issues Releases Activity

pcx: properly pad the scanline

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It is passed to the get_bits API, which requires buffers to be padded.

Fixes possible invalid reads.

CC: libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
This commit is contained in:
Anton Khirnov
2016-08-14 10:18:39 +02:00
parent 409d1cd2c9
commit 15ee419b7a
1 changed files with 1 additions and 1 deletions
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libavcodec/pcx.c
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@@ -148,7 +148,7 @@ static int pcx_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
ptr = p->data[0]; ptr = p->data[0];
stride = p->linesize[0]; stride = p->linesize[0];
scanline = av_malloc(bytes_per_scanline); scanline = av_malloc(bytes_per_scanline + AV_INPUT_BUFFER_PADDING_SIZE);
if (!scanline) if (!scanline)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);