ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Wed Jul 31 21:43:39 2024 +0200| [272fd292cfa5da9b3054d618e847a2ce4b079a38] | committer: Michael Niedermayer
avcodec/snow: Fix off by 1 error in run_buffer Fixes: out of array access Fixes: 70741/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SNOW_fuzzer-5703668010647552 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 06f5ed40f8fceb2542add052c57608121eda2f41) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=272fd292cfa5da9b3054d618e847a2ce4b079a38 --- libavcodec/snow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/snow.c b/libavcodec/snow.c index fc2e7279f3..e274e7170e 100644 --- a/libavcodec/snow.c +++ b/libavcodec/snow.c @@ -491,7 +491,7 @@ av_cold int ff_snow_common_init(AVCodecContext *avctx){ FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->spatial_dwt_buffer, width, height * sizeof(DWTELEM), fail); //FIXME this does not belong here FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->temp_dwt_buffer, width, sizeof(DWTELEM), fail); FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->temp_idwt_buffer, width, sizeof(IDWTELEM), fail); - FF_ALLOC_ARRAY_OR_GOTO(avctx, s->run_buffer, ((width + 1) >> 1), ((height + 1) >> 1) * sizeof(*s->run_buffer), fail); + FF_ALLOC_ARRAY_OR_GOTO(avctx, s->run_buffer, ((width + 1) >> 1) * ((height + 1) >> 1) + 1, sizeof(*s->run_buffer), fail); for(i=0; i<MAX_REF_FRAMES; i++) { for(j=0; j<MAX_REF_FRAMES; j++) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
