ffmpeg | branch: release/3.3 | Michael Niedermayer <mich...@niedermayer.cc> | Thu Aug 17 20:32:03 2017 +0200| [16772e43ef5a71156a2a599ea81595edf40ace34] | committer: Michael Niedermayer
avcodec/snowdec: Fix off by 1 error Fixes: runtime error: index 4 out of bounds for type 'int8_t [4]' Fixes: 3023/clusterfuzz-testcase-minimized-6421736130084864 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 d132683ddd4050d3fe103ca88c73258c3442dc34) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=16772e43ef5a71156a2a599ea81595edf40ace34 --- libavcodec/snowdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/snowdec.c b/libavcodec/snowdec.c index 7d6d7ff44f..4ebfa07c6a 100644 --- a/libavcodec/snowdec.c +++ b/libavcodec/snowdec.c @@ -355,7 +355,7 @@ static int decode_header(SnowContext *s){ Plane *p= &s->plane[plane_index]; p->diag_mc= get_rac(&s->c, s->header_state); htaps= get_symbol(&s->c, s->header_state, 0)*2 + 2; - if((unsigned)htaps > HTAPS_MAX || htaps==0) + if((unsigned)htaps >= HTAPS_MAX || htaps==0) return AVERROR_INVALIDDATA; p->htaps= htaps; for(i= htaps/2; i; i--){ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
