mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-25 00:32:31 +00:00
avcodec/indeo3: ensure offsets are non negative
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
parent
19ecd675c5
commit
368642361f
@ -982,7 +982,8 @@ static int decode_frame_headers(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
|
||||
ctx->y_data_size = ends[0] - starts[0];
|
||||
ctx->v_data_size = ends[1] - starts[1];
|
||||
ctx->u_data_size = ends[2] - starts[2];
|
||||
if (FFMAX3(y_offset, v_offset, u_offset) >= ctx->data_size - 16 ||
|
||||
if (FFMIN3(y_offset, v_offset, u_offset) < 0 ||
|
||||
FFMAX3(y_offset, v_offset, u_offset) >= ctx->data_size - 16 ||
|
||||
FFMIN3(y_offset, v_offset, u_offset) < gb.buffer - bs_hdr + 16 ||
|
||||
FFMIN3(ctx->y_data_size, ctx->v_data_size, ctx->u_data_size) <= 0) {
|
||||
av_log(avctx, AV_LOG_ERROR, "One of the y/u/v offsets is invalid\n");
|
||||
|
Loading…
Reference in New Issue
Block a user