From: Ariadne Conill <ariadne@dereferenced.org>
To: Szabolcs Nagy <nsz@port70.net>, Timo Teras <timo.teras@iki.fi>
Cc: musl@lists.openwall.com, "Milan P. Stanić" <mps@arvanta.net>,
"Rich Felker" <dalias@libc.org>
Subject: Re: [musl] [PATCH v2] MT fork
Date: Sat, 31 Oct 2020 08:41:40 -0600 [thread overview]
Message-ID: <5902407.OVrFV9ENkS@nanabozho> (raw)
In-Reply-To: <20201031153557.0b7c2bf6@vostro.wlan>
Hello,
On Saturday, October 31, 2020 7:35:57 AM MDT Timo Teras wrote:
> On Sat, 31 Oct 2020 14:29:32 +0100
>
> Szabolcs Nagy <nsz@port70.net> wrote:
> > * Timo Teras <timo.teras@iki.fi> [2020-10-31 09:22:04 +0200]:
> > > On Fri, 30 Oct 2020 15:31:54 -0600
> > >
> > > Ariadne Conill <ariadne@dereferenced.org> wrote:
> > > > I have pushed current musl git plus the MT fork patch to Alpine
> > > > edge as Alpine musl 1.2.2_pre0, and reenabling parallel mark has
> > > > worked fine.
> > > >
> > > > It would be nice to have a musl 1.2.2 release that I can use for
> > > > the source tarball instead of a git snapshot, but this will do
> > > > for now.
> > >
> > > And now firefox is utterly broken. Though seems to be not related
> > > to MT fork patch.
> > >
> > > Bisected it down to commit b8b729bd22c28c9116c2fce65dce207a35299c26
> > > "fix missing O_LARGEFILE values on x86_64, x32, and mips64"
> > >
> > > I think this breaks the seccomp because now e.g. fopen() calls has
> > > this bit set for the syscall and seccomp does not like it.
> > >
> > > Wondering whether to fix firefox seccomp ignore this bit, or if this
> > > commit needs reconsideration?
> >
> > please report it to firefox while we work out what's best.
> >
> > this is something they sould be aware of.
>
> Turns out the rebuilding firefox was enough. They allow O_LARGEFILE
> there, but when built with earlier musl version it was zero...
>
> So basically the change there requires rebuild of certain applications.
> Even if from kernel side the bit makes no big difference, but from
> seccomp side it does.
There is additional fallout from the new terminal window size ioctls as well.
But fixing the seccomp policy there seems straightforward, and I think firefox
82.0-r2 will have the fix.
Ariadne
next prev parent reply other threads:[~2020-10-31 14:42 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-26 0:50 [musl] Status report and " Rich Felker
2020-10-26 0:59 ` Rich Felker
2020-10-26 3:29 ` Rich Felker
2020-10-26 18:44 ` Érico Nogueira
2020-10-26 19:52 ` Rich Felker
2020-10-26 20:11 ` Érico Nogueira
2020-10-27 21:17 ` Rich Felker
2020-10-28 18:56 ` [musl] [PATCH v2] " Rich Felker
2020-10-28 23:06 ` Milan P. Stanić
2020-10-29 16:13 ` Szabolcs Nagy
2020-10-29 16:20 ` Rich Felker
2020-10-29 20:55 ` Milan P. Stanić
2020-10-29 22:21 ` Szabolcs Nagy
2020-10-29 23:00 ` Milan P. Stanić
2020-10-29 23:27 ` Rich Felker
2020-10-30 0:13 ` Rich Felker
2020-10-30 7:47 ` Milan P. Stanić
2020-10-30 18:52 ` Milan P. Stanić
2020-10-30 18:57 ` Rich Felker
2020-10-30 21:31 ` Ariadne Conill
2020-10-31 3:31 ` Rich Felker
2020-11-06 3:36 ` Rich Felker
2020-11-08 16:12 ` Szabolcs Nagy
2020-11-09 17:07 ` Rich Felker
2020-11-09 18:01 ` Érico Nogueira
2020-11-09 18:44 ` Rich Felker
2020-11-09 18:54 ` Érico Nogueira
2020-11-09 21:59 ` Szabolcs Nagy
2020-11-09 22:23 ` Rich Felker
2020-11-11 0:52 ` Rich Felker
2020-11-11 6:35 ` Alexey Izbyshev
2020-11-11 11:25 ` Szabolcs Nagy
2020-11-11 14:56 ` Rich Felker
2020-11-11 16:35 ` Rich Felker
2020-10-31 7:22 ` Timo Teras
2020-10-31 13:29 ` Szabolcs Nagy
2020-10-31 13:35 ` Timo Teras
2020-10-31 14:41 ` Ariadne Conill [this message]
2020-10-31 14:49 ` Rich Felker
2020-10-31 14:48 ` Rich Felker
2020-10-31 14:47 ` Rich Felker
2020-10-29 23:32 ` Szabolcs Nagy
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