Fixes: 4427/clusterfuzz-testcase-minimized-5106919271301120 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/j2kenc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c index 32c7fddb74..78ec88a694 100644 --- a/libavcodec/j2kenc.c +++ b/libavcodec/j2kenc.c @@ -690,7 +690,8 @@ static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg20 cblk->npasses = passno; cblk->ninclpasses = passno; - cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len); + if (passno) + cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len); } /* tier-2 routines: */ -- 2.15.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel