linux-kernel - [PATCH -mm] coredump-add-support-for-%d=__get

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Message-ID: <20120914123034.GA28626@redhat.com>
Date:	Fri, 14 Sep 2012 14:30:34 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Alex Kelly <alex.page.kelly@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	Cong Wang <amwang@...hat.com>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	Jiri Moskovcak <jmoskovc@...hat.com>,
	Neil Horman <nhorman@...driver.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH -mm]
	coredump-add-support-for-%d=__get_dumpable-in-core-name-fix

(fixes coredump-add-support-for-%d=__get_dumpable-in-core-name.patch)

On 09/13, Andrew Morton wrote:
>
> On Thu, 13 Sep 2012 19:28:17 +0200
> Oleg Nesterov <oleg@...hat.com> wrote:
>
> > https://bugzilla.redhat.com/show_bug.cgi?id=787135
>
> Needs a RH bugzilla account, so no Reported-by: for you!

OOPS, sorry, I didn't notice. I guess it is private by mistake..

> > This patch adds the new %d specifier for format_corename() which
> > simply reports __get_dumpable(mm->flags), this is compatible with
> > /proc/sys/fs/suid_dumpable we already have.
>
> Please prepare an update to Documentation/sysctl/kernel.txt:core_pattern?

Yes, thanks, please see below.

Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---
 Documentation/sysctl/kernel.txt |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 6d78841..2907ba6 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -181,6 +181,8 @@ core_pattern is used to specify a core dumpfile pattern name.
 	%p	pid
 	%u	uid
 	%g	gid
+	%d	dump mode, matches PR_SET_DUMPABLE and
+		/proc/sys/fs/suid_dumpable
 	%s	signal number
 	%t	UNIX time of dump
 	%h	hostname
-- 
1.5.5.1


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