linux-kernel - [PATCH] oom fix: prevent oom from killing a process with children/sibling unkillable

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-next>] [day] [month] [year] [list]

Date:	Thu, 15 Mar 2007 19:19:21 +0530
From:	ankita@...ibm.com (Ankita Garg)
To:	Linux Memory Management <linux-mm@...ck.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Nick Piggin <npiggin@...e.de>,
	Andrew Morton <akpm@...l.org>
Subject: [PATCH] oom fix: prevent oom from killing a process with children/sibling unkillable


Looking at oom_kill.c, found that the intention to not kill the selected
process if any of its children/siblings has OOM_DISABLE set, is not being met.


Signed-off-by: Ankita Garg <ankita@...ibm.com>

Index: ankita/linux-2.6.20.1/mm/oom_kill.c
===================================================================
--- ankita.orig/linux-2.6.20.1/mm/oom_kill.c	2007-02-20 12:04:32.000000000 +0530
+++ ankita/linux-2.6.20.1/mm/oom_kill.c	2007-03-15 12:44:50.000000000 +0530
@@ -320,7 +320,7 @@
 	 * Don't kill the process if any threads are set to OOM_DISABLE
 	 */
 	do_each_thread(g, q) {
-		if (q->mm == mm && p->oomkilladj == OOM_DISABLE)
+		if (q->mm == mm && q->oomkilladj == OOM_DISABLE)
 			return 1;
 	} while_each_thread(g, q);
 

Regards,
-- 
Ankita Garg (ankita@...ibm.com)
Linux Technology Center
IBM India Systems & Technology Labs, 
Bangalore, India   
-
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/