On Sun, 11 Sept 2022 at 11:47, Jit Loon Lim <jit.loon....@intel.com> wrote: > > From: Chin Liang See <chin.liang....@intel.com> > > An old inffast.c optimization turns out to not be optimal anymore > with modern compilers, and furthermore was not compliant with the > C standard, for which decrementing a pointer before its allocated > memory is undefined. Per the recommendation of a security audit of > the zlib code by Trail of Bits and TrustInSoft, in support of the > Mozilla Foundation, this "optimization" was removed, in order to > avoid the possibility of undefined behavior.
A similar change was merged into an official zlib in 2016: https://github.com/madler/zlib/commit/9aaec95e82117 It makes me wonder can zlib be used as an external project in U-Boot? To be up to date with zlib development.
