Fixes: Out of array read Fixes: global-buffer-overflow-AV1 Found-by: "Leonelli, Matteo" <matteo.leone...@cispa.de> Tested-by: "Wang, Fei W" <fei.w.w...@intel.com> Reviewed-by: "Wang, Fei W" <fei.w.w...@intel.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/av1dec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c index 6114cb78e65..4dcde234c6c 100644 --- a/libavcodec/av1dec.c +++ b/libavcodec/av1dec.c @@ -177,7 +177,7 @@ static uint8_t get_shear_params_valid(AV1DecContext *s, int idx) int16_t alpha, beta, gamma, delta, divf, divs; int64_t v, w; int32_t *param = &s->cur_frame.gm_params[idx][0]; - if (param[2] < 0) + if (param[2] <= 0) return 0; alpha = av_clip_int16(param[2] - (1 << AV1_WARPEDMODEL_PREC_BITS)); -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".