Date: Wed, 14 Mar 2018 17:06:09 -0600 From: Alan Somers <asomers@freebsd.org> To: Shawn Webb <shawn.webb@hardenedbsd.org> Cc: src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r329984 - in head: cddl/contrib/opensolaris/lib/libzpool/common sys/cddl/compat/opensolaris/sys Message-ID: <CAOtMX2ghziwT49xqe5pHaPb0p6ceG5BuYnOgCdRrDCv-_7ZgOg@mail.gmail.com> In-Reply-To: <20180314225623.zp6ufw5h7bua4etf@mutt-hbsd> References: <201802251429.w1PEThjY035303@repo.freebsd.org> <20180314225009.gu3awgryggsxqmff@mutt-hbsd> <CAOtMX2g=aXd0gtHOoN2NiNv1ECG-mrZHR8KWrihzk6mEL14B%2Bg@mail.gmail.com> <20180314225623.zp6ufw5h7bua4etf@mutt-hbsd>
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On Wed, Mar 14, 2018 at 4:56 PM, Shawn Webb <shawn.webb@hardenedbsd.org> wrote: > On Wed, Mar 14, 2018 at 04:51:27PM -0600, Alan Somers wrote: > > On Wed, Mar 14, 2018 at 4:50 PM, Shawn Webb <shawn.webb@hardenedbsd.org> > > wrote: > > > > > On Sun, Feb 25, 2018 at 02:29:43PM +0000, Alan Somers wrote: > > > > Author: asomers > > > > Date: Sun Feb 25 14:29:43 2018 > > > > New Revision: 329984 > > > > URL: https://svnweb.freebsd.org/changeset/base/329984 > > > > > > > > Log: > > > > Don't declare __assfail as static > > > > > > > > It gets called by dmu_buf_init_user, which is inline but not > static. > > > So it > > > > needs global linkage itself. > > > > > > > > Reported by: GCC-6 > > > > MFC after: 17 days > > > > X-MFC-With: 329722 > > > > > > > > > > Hey Alan, > > > > > > This commit breaks compiling world with ASAN. > > > > > > Some applications, like zfs, will fail with this error: > > > > > > /lib/libuutil.so.2: Undefined symbol "__assfail" > > > > > > Thanks, > > > > > > > How does one build world with ASAN ? > > HardenedBSD has a feature branch in its playground repo for ASAN-ified > world. > > We introduced two new MK_* toggles: MK_ASAN and MK_ASAN_RECOVER. > MK_ASAN is self-explanitory. MK_ASAN_RECOVER tells the sanitizer > framework to let the application continue running instead of abort > execution. > > Here's where the magic gets set: > > https://github.com/HardenedBSD/hardenedBSD-playground/blob/hardened/ > current/asan/share/mk/bsd.prog.mk#L125-L134 > > Thanks, > I don't use HardenedBSD. Can you provide an invocation that will demonstrate the breakage on FreeBSD head? I tried a few things, and they all either worked, or failed with errors other than the one you showed.
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