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From: Junio C Hamano <>
To: Taylor Blau <>
Cc: "Christian Göttsche" <>,
Subject: Re: [PATCH] setup: avoid unconditional open with write flags
Date: Tue, 06 Dec 2022 09:40:13 +0900	[thread overview]
Message-ID: <xmqq359tpdoy.fsf@gitster.g> (raw)
In-Reply-To: <Y46NaUjc+eqzSExR@nand.local> (Taylor Blau's message of "Mon, 5 Dec 2022 19:31:37 -0500")

Taylor Blau <> writes:

> But it's still no better than the patch here in the happy case, since we
> still have to perform three fcntl() checks to figure out that all three
> descriptors are initialized as-expected (versus just one open() and
> close()).
> So I think your version is a slight improvement on Christian's, but I
> would just as soon stick with what we have.

I am OK as long as there is a workaround available to Christian's
use case without changing "git" at all.  If Christian can tighten
the environment into somewhat unnatural "opening writable FD is a
failure" way, I suspect such a jail can be augmented to further to
allow opening /dev/null and other "selected" files writable, so I
wouldn't worry too much if we dropped this patch entirely.


  reply	other threads:[~2022-12-06  0:42 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-05 19:00 [PATCH] setup: avoid unconditional open with write flags Christian Göttsche
2022-12-05 22:13 ` brian m. carlson
2022-12-06  1:38   ` Jeff King
2022-12-06 16:15     ` Christian Göttsche
2022-12-05 22:59 ` Taylor Blau
2022-12-06  0:10   ` Junio C Hamano
2022-12-06  0:31     ` Taylor Blau
2022-12-06  0:40       ` Junio C Hamano [this message]
2022-12-06 19:47 ` René Scharfe
2022-12-06 23:39   ` Junio C Hamano

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