On 12/18/22, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: left shift of 1208485947 by 1 places cannot be represented in type > 'int' > Fixes: > 54058/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-5827521084260352 >
Please use something else than casting. > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/wavpack.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c > index 3cb4077550..42859ab0a1 100644 > --- a/libavcodec/wavpack.c > +++ b/libavcodec/wavpack.c > @@ -129,7 +129,7 @@ static av_always_inline unsigned get_tail(GetBitContext > *gb, unsigned k) > e = (1LL << (p + 1)) - k - 1; > res = get_bits_long(gb, p); > if (res >= e) > - res = (res << 1) - e + get_bits1(gb); > + res = ((unsigned)res << 1) - e + get_bits1(gb); > return res; > } > > -- > 2.17.1 > > _______________________________________________ > 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".
