linux-kernel - Re: compat_sys_times() bogus until jiffies >= 0.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20071107.222530.156152513.davem@davemloft.net>
Date:	Wed, 07 Nov 2007 22:25:30 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	akpm@...ux-foundation.org
Cc:	paulus@...ba.org, lkml@...idb.org, linux-kernel@...r.kernel.org,
	drepper@...hat.com, mtk-manpages@....net
Subject: Re: compat_sys_times() bogus until jiffies >= 0.

From: Andrew Morton <akpm@...ux-foundation.org>
Date: Wed, 7 Nov 2007 21:20:05 -0800

> Yup.  But userspace will already have a fit if either the start or end time
> advanced into the glibc-thought-that-was-an-error range.

On x86 only.  We could use force_successful_syscall_return()
to make sure the condition codes get set correctly on
other platforms.

But even in that case we'd still be broken when the return
value is exactly -1 and that's what the application is going
to compare against to test for errors.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/