[FFmpeg-devel] lurking bugs in the mmx-related assembler code (?)

Nicolas George george at nsup.org
Mon Oct 3 12:39:16 EEST 2016

Le duodi 12 vendémiaire, an CCXXV, Carl Eugen Hoyos a écrit :
> I suspect I found the responsible code:
> http://git.musl-libc.org/cgit/musl/tree/src/malloc/malloc.c#n114

Urgh. This is even worse than I imagined. FFmpeg is using undefined
behaviours by calling it without resetting the state, but this is also
completely undefined behaviour on their side.


  Nicolas George

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