On 11/6/22, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: signed integer overflow: 22 * -2107998208 cannot be represented in > type 'int' > Fixes: > 51363/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BONK_fuzzer-5660734784143360 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/bonk.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/bonk.c b/libavcodec/bonk.c > index 1695229dbd..9e8892e4db 100644 > --- a/libavcodec/bonk.c > +++ b/libavcodec/bonk.c > @@ -278,7 +278,7 @@ static int predictor_calc_error(int *k, int *state, int > order, int error) > *state_ptr = &(state[order-2]); > > for (i = order-2; i >= 0; i--, k_ptr--, state_ptr--) { > - int k_value = *k_ptr, state_value = *state_ptr; > + unsigned k_value = *k_ptr, state_value = *state_ptr; > > x -= shift_down(k_value * state_value, LATTICE_SHIFT); > state_ptr[1] = state_value + shift_down(k_value * x, > LATTICE_SHIFT); > -- > 2.17.1 >
probably fine. > _______________________________________________ > 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". > _______________________________________________ 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".
