From: David Laight <david.laight.linux@gmail.com>
To: Christian Brauner <brauner@kernel.org>
Cc: Jann Horn <jannh@google.com>, John Ericson <mail@johnericson.me>,
Farid Zakaria <farid.m.zakaria@gmail.com>,
Jan Kara <jack@suse.cz>, Kees Cook <kees@kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>,
shuah@kernel.org, linux-fsdevel <linux-fsdevel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
linux-kselftest <linux-kselftest@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/2] fs: support $ORIGIN in ELF interpreter paths
Date: Sun, 28 Jun 2026 19:44:04 +0100 [thread overview]
Message-ID: <20260628194404.40253a7d@pumpkin> (raw)
In-Reply-To: <20260628-debatten-vertagen-amortisieren-3bf518773e75@brauner>
On Sun, 28 Jun 2026 15:20:11 +0200
Christian Brauner <brauner@kernel.org> wrote:
...
> All of that needs consistent, easy to reason about treatment. Reading through
> the glibc implementation of $ORIGIN for shared libraries in rpath - even with
> an eye on cutting through most of the complexity - doesn't give me very warm
> feelings. It feels very hackish and full of edge cases...
I'm sure that NetBSD refused to implement $ORIGIN because it was full
of loopholes.
You'd need the kernel to hold a reference to the directory inode and
have a 'magic' argument to openat() to be relative to that directory
rather than cwd.
David
prev parent reply other threads:[~2026-06-28 18:44 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-22 4:39 [PATCH 0/2] fs: support $ORIGIN in ELF interpreter paths Farid Zakaria
2026-06-22 4:39 ` [PATCH 1/2] " Farid Zakaria
2026-06-22 9:53 ` Jori Koolstra
2026-06-23 20:14 ` Kees Cook
2026-06-23 20:35 ` Farid Zakaria
2026-06-22 4:39 ` [PATCH 2/2] selftests/exec: add test suites for $ORIGIN interpreter resolution Farid Zakaria
2026-06-22 10:39 ` [PATCH 0/2] fs: support $ORIGIN in ELF interpreter paths Jan Kara
2026-06-22 17:15 ` Farid Zakaria
2026-06-22 21:08 ` John Ericson
2026-06-25 8:50 ` Christian Brauner
2026-06-25 19:34 ` John Ericson
2026-06-26 12:39 ` Jann Horn
2026-06-26 13:26 ` David Laight
2026-06-26 13:34 ` Jann Horn
2026-06-26 16:28 ` David Laight
2026-06-28 12:36 ` Christian Brauner
2026-06-28 13:20 ` Christian Brauner
2026-06-28 18:44 ` David Laight [this message]
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