Hi, I mentioned above that I'm building with msvc not clang.
On Wednesday, 21 June 2023 at 07:16:45 UTC+2 Jeffrey Walton wrote:
> On Tue, Jun 20, 2023 at 4:21 PM Miro Karpis <mirosla...@gmail.com> wrote:
> >
> > Hi,
> > This one is giving me really hard time. I'm trying to build crypto++
> with msvc / windows - compilation works fine, but always when I want to use
> the lib I keep getting
> >
> > block at 0x000001362708B180 was not allocated by _aligned routines, use
> free()
> >
> > After debugging the code I can see that the problem is in allocate.cpp
> >
> > void AlignedDeallocate(void *p)
> > {
> > // Guard pointer due to crash on AIX when CRYPTOPP_NO_ALIGNED_ALLOC
> > // is in effect. The guard was previously in place in SecBlock,
> > // but it was removed at f4d68353ca7c as part of GH #875.
> > CRYPTOPP_ASSERT(p);
> >
> > if (p != NULLPTR)
> > {
> > #ifdef CRYPTOPP_MM_MALLOC_AVAILABLE
> > _mm_free(p);
> > #elif defined(CRYPTOPP_NO_ALIGNED_ALLOC)
> > p = (byte *)p - ((byte *)p)[-1];
> > free(p);
> > #else
> > free(p);
> > #endif
> > }
> > }
> >
> > If I understand it correctly then the allocation wasn't done with
> aligned, but with malloc?
> > Did anyone had similar issue?
> >
> > Just on the side I'm of course hitting the old, where _MSC_VER and
> __clang__ are defined. SO far I haven't find any workaround on this either.
> >
> > // discussed at http://github.com/weidai11/cryptopp/issues/147.
> > #if (defined(_MSC_VER) && defined(__clang__) && \
> > !(defined( __clang_analyzer__)) && !defined(__INTEL_LLVM_COMPILER))
> > # error: "Unsupported configuration"
> > #endif
> >
> >
> > Will be more than thankful for any kind of help in this.
>
> Yeah, that's the age-old Clang bug. Clang pretends to be other
> compilers via #defines, but then it cannot consume the program for the
> compiler it is pretending to be.
>
> We have code paths setup for Clang. Clang needs to stop pretending to
> be other compilers, and stay in its own lane.
>
> File a bug report against Clang for it. Or don't use Clang in this case.
>
> Jeff
>
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