avcodec/vp3: pass correct context to av_log()

Fixes null pointer dereference Fixes: signal_sigsegv_000_3694_cov_1050071691_theora.mkv Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · d41b66a1a2
parent 3b4ffba3af
commit d41b66a1a2
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@ -2277,7 +2277,7 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
    if (av_image_check_size(visible_width, visible_height, 0, avctx) < 0 ||
        visible_width  + offset_x > s->width ||
        visible_height + offset_y > s->height) {
-        av_log(s, AV_LOG_ERROR,
+        av_log(avctx, AV_LOG_ERROR,
               "Invalid frame dimensions - w:%d h:%d x:%d y:%d (%dx%d).\n",
               visible_width, visible_height, offset_x, offset_y,
               s->width, s->height);