On Sun, 22 Jun 2025 at 15:49, James Almer <jamrial-at-gmail....@ffmpeg.org> wrote: > > Fixes: libavcodec\ffv1enc_template.c:75:79: runtime error: applying zero > offset to null pointer > Signed-off-by: James Almer <jamr...@gmail.com> > --- > Untested, as gcc-usan on Linux x86_64 doesn't complain about it, but it can > be seen in clang-usan also reproduces this on Linux x86_64.
> https://fate.ffmpeg.org/report.cgi?time=20250622122557&slot=amd64-clang-cl-msvc-asan > > libavcodec/ffv1enc_template.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/ffv1enc_template.c b/libavcodec/ffv1enc_template.c > index aaf82159ee..7edfd2dc0f 100644 > --- a/libavcodec/ffv1enc_template.c > +++ b/libavcodec/ffv1enc_template.c > @@ -72,7 +72,7 @@ RENAME(encode_line)(FFV1Context *f, FFV1SliceContext *sc, > int diff, context; > > context = RENAME(get_context)(f->quant_tables[p->quant_table_index], > - sample[0] + x, sample[1] + x, > sample[2] + x); > + sample[0] + x, sample[1] + x, > FF_PTR_ADD(sample[2], x)); Doesn't work. FF_PTR_ADD checks offset (x) only, but the issue here is that sample[2]==NULL. - Kacper _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
