linux-kernel - Re: [PATCH] compat: fix sys_fanotify

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Message-Id: <20140115.165312.1607401549329090025.davem@davemloft.net>
Date:	Wed, 15 Jan 2014 16:53:12 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	heiko.carstens@...ibm.com
Cc:	viro@...IV.linux.org.uk, akpm@...ux-foundation.org,
	krebbel@...ux.vnet.ibm.com, jejb@...isc-linux.org,
	benh@...nel.crashing.org, mingo@...hat.com, ralf@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] compat: fix sys_fanotify_mark

From: Heiko Carstens <heiko.carstens@...ibm.com>
Date: Wed, 15 Jan 2014 12:45:57 +0100

> 91c2e0bcae72 "unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE"
> added a new unified compat fanotify_mark syscall to be used by all
> architectures.
> Unfortunately the unified version merges the split mask parameter in a
> wrong way: the lower and higher word got swapped.
> 
> This was discovered with glibc's tst-fanotify test case.
> 
> Reported-by: Andreas Krebbel <krebbel@...ux.vnet.ibm.com>
> Cc: "James E.J. Bottomley" <jejb@...isc-linux.org>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Ralf Baechle <ralf@...ux-mips.org>
> Cc: stable@...r.kernel.org # v3.10+
> Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>

Acked-by: David S. Miller <davem@...emloft.net>
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