From: Michael Niedermayer <[email protected]> Fixes integer overflow in fate-redcode-demux
Reviewed-by: Nicolas BERTRAND <[email protected]> Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/jpeg2000dec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index 049b399..90117bd 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -919,6 +919,10 @@ static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty, ff_mqc_initdec(&t1->mqc, cblk->data); while (passno--) { + if (bpno < 0) { + av_log(s->avctx, AV_LOG_ERROR, "bpno invalid\n"); + return AVERROR(EINVAL); + } switch(pass_t) { case 0: decode_sigpass(t1, width, height, bpno + 1, bandpos, -- 1.8.2.1 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
