Message ID | 20191214183632.10999-1-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | c94cb8d9b21baeeecef962c72965dbedc4e0b0e1 |
Headers | show |
lgtm On 12/14/19, Michael Niedermayer <michael@niedermayer.cc> wrote: > Fixes: Ticket8430 > > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/pnm.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/libavcodec/pnm.c b/libavcodec/pnm.c > index b4e5d3076b..b5c2881948 100644 > --- a/libavcodec/pnm.c > +++ b/libavcodec/pnm.c > @@ -117,6 +117,9 @@ int ff_pnm_decode_header(AVCodecContext *avctx, > PNMContext * const s) > return AVERROR_INVALIDDATA; > } > } > + if (!pnm_space(s->bytestream[-1])) > + return AVERROR_INVALIDDATA; > + > /* check that all tags are present */ > if (w <= 0 || h <= 0 || maxval <= 0 || maxval > UINT16_MAX || depth > <= 0 || tuple_type[0] == '\0' || > av_image_check_size(w, h, 0, avctx) || s->bytestream >= > s->bytestream_end) > @@ -197,6 +200,10 @@ int ff_pnm_decode_header(AVCodecContext *avctx, > PNMContext * const s) > } > }else > s->maxval=1; > + > + if (!pnm_space(s->bytestream[-1])) > + return AVERROR_INVALIDDATA; > + > /* more check if YUV420 */ > if (av_pix_fmt_desc_get(avctx->pix_fmt)->flags & > AV_PIX_FMT_FLAG_PLANAR) { > if ((avctx->width & 1) != 0) > -- > 2.24.0 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
On Sat, Dec 14, 2019 at 08:58:55PM +0100, Paul B Mahol wrote:
> lgtm
will apply
thx
[...]
diff --git a/libavcodec/pnm.c b/libavcodec/pnm.c index b4e5d3076b..b5c2881948 100644 --- a/libavcodec/pnm.c +++ b/libavcodec/pnm.c @@ -117,6 +117,9 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s) return AVERROR_INVALIDDATA; } } + if (!pnm_space(s->bytestream[-1])) + return AVERROR_INVALIDDATA; + /* check that all tags are present */ if (w <= 0 || h <= 0 || maxval <= 0 || maxval > UINT16_MAX || depth <= 0 || tuple_type[0] == '\0' || av_image_check_size(w, h, 0, avctx) || s->bytestream >= s->bytestream_end) @@ -197,6 +200,10 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s) } }else s->maxval=1; + + if (!pnm_space(s->bytestream[-1])) + return AVERROR_INVALIDDATA; + /* more check if YUV420 */ if (av_pix_fmt_desc_get(avctx->pix_fmt)->flags & AV_PIX_FMT_FLAG_PLANAR) { if ((avctx->width & 1) != 0)
Fixes: Ticket8430 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/pnm.c | 7 +++++++ 1 file changed, 7 insertions(+)