diff options
Diffstat (limited to 'libavcodec/faxcompr.c')
| -rw-r--r-- | libavcodec/faxcompr.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavcodec/faxcompr.c b/libavcodec/faxcompr.c index 54428e7d8c..72ad8b95da 100644 --- a/libavcodec/faxcompr.c +++ b/libavcodec/faxcompr.c @@ -156,10 +156,11 @@ static int decode_group3_1d_line(AVCodecContext *avctx, GetBitContext *gb, } static int decode_group3_2d_line(AVCodecContext *avctx, GetBitContext *gb, - int width, int *runs, const int *runend, const int *ref) + unsigned int width, int *runs, const int *runend, const int *ref) { - int mode = 0, offs = 0, run = 0, saved_run = 0, t; + int mode = 0, saved_run = 0, t; int run_off = *ref++; + unsigned int offs=0, run= 0; runend--; // for the last written 0 @@ -200,7 +201,7 @@ static int decode_group3_2d_line(AVCodecContext *avctx, GetBitContext *gb, } saved_run = 0; offs += run; - if(offs > width){ + if(offs > width || run > width){ av_log(avctx, AV_LOG_ERROR, "Run went out of bounds\n"); return -1; } |