On Fri, Sep 15, 2023 at 03:54:19PM +0200, Paul B Mahol wrote: > On Fri, Sep 15, 2023 at 3:12 PM Michael Niedermayer <mich...@niedermayer.cc> > wrote: > > > The code should be changed to not use floats in the VLC parameters > > This patch merely fixes undefined behavior > > > > Fixes: 2.96539e+09 is outside the range of representable values of type > > 'int' > > Fixes: Assertion n>=0 && n<=32 failed at libavcodec/get_bits.h:423 > > Fixes: > > 62241/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-4525761925873664 > > > > > NAK > > Breaks decoding.
Please provide sample that works before and fails after this. That said, it has to be pointed out that the current code in osq is buggy in multiply ways. The use of floats for computing vlc parameters is not portable (unless theres alot of luck). thx [....] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB I have often repented speaking, but never of holding my tongue. -- Xenocrates
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