Date: Mon, 11 Nov 2019 10:29:15 +0100 From: Antoine Brodin <antoine@freebsd.org> To: Dimitry Andric <dim@freebsd.org> Cc: src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: Re: svn commit: r354598 - in stable: 11/contrib/libc++/include 11/sys/sys 12/contrib/libc++/include 12/sys/sys Message-ID: <CAALwa8nqSo6hp70sRnDmjSgaWxLtJ-h94Hz41O=4P9AAe%2B%2BUvw@mail.gmail.com> In-Reply-To: <CAALwa8mBs0xdXPP4j=5NFTcJ1ALngtOcMChwXH5cV_rwntihpg@mail.gmail.com> References: <201911101841.xAAIfEXV088995@repo.freebsd.org> <CAALwa8mBs0xdXPP4j=5NFTcJ1ALngtOcMChwXH5cV_rwntihpg@mail.gmail.com>
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On Mon, Nov 11, 2019 at 9:03 AM Antoine Brodin <antoine@freebsd.org> wrote: > > On Sun, Nov 10, 2019 at 7:41 PM Dimitry Andric <dim@freebsd.org> wrote: > > > > Author: dim > > Date: Sun Nov 10 18:41:13 2019 > > New Revision: 354598 > > URL: https://svnweb.freebsd.org/changeset/base/354598 > > > > Log: > > MFC r354460: > > > > Merge commit e8316372b from llvm git (by Louis Dionne): > > > > [libc++] Add `__truncating_cast` for safely casting float types to > > integers > > > > This is needed anytime we need to clamp an arbitrary floating point > > value to an integer type. > > > > Thanks to Eric Fiselier for the patch. > > > > Differential Revision: https://reviews.llvm.org/D66836 > > > > llvm-svn: 370891 > > > > Merge commit b92deded8 from llvm git (by Louis Dionne): > > > > [libc++] Move __clamp_to_integral to <cmath>, and harden against > > min()/max() macros > > > > llvm-svn: 370900 > > > > Merge commit 0ec6a4882 from llvm git (by Louis Dionne): > > > > [libc++] Fix potential OOB in poisson_distribution > > > > See details in the original Chromium bug report: > > https://bugs.chromium.org/p/chromium/issues/detail?id=994957 > > > > Together, these fix a security issue in libc++'s implementation of > > std::poisson_distribution, which can be exploited to read data which is > > out of bounds. > > > > Note there are no programs in the FreeBSD base system that use > > std::poisson_distribution, so this is only a possible issue for ports > > and external programs which have been built against libc++. Therefore, > > I am bumping __FreeBSD_version for the benefit of our port maintainers. > > > > Requested by: emaste > > Security: potential OOB read > > > > Modified: > > stable/11/contrib/libc++/include/cmath > > stable/11/contrib/libc++/include/random > > stable/11/sys/sys/param.h > > Directory Properties: > > stable/11/ (props changed) > > > > Changes in other areas also in this revision: > > Modified: > > stable/12/contrib/libc++/include/cmath > > stable/12/contrib/libc++/include/random > > stable/12/sys/sys/param.h > > Directory Properties: > > stable/12/ (props changed) > > Hi, > > It seems that some recent changes to stable/11 are broken, lots of > ports now fail to build on stable/11. This affects stable/12 too. It seems that the cmath header can't be compiled. Antoine
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