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From: "David S. Miller" <davem@redhat.com>
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Date: Thu, 19 Jul 2001 23:26:58 -0700 (PDT)
To: Niels Kristian Bech Jensen <nkbj@image.dk>
Cc: "Linux kernel developer's mailing list" 
	<linux-kernel@vger.kernel.org>
Subject: Re: Oops in 2.4.7-pre9.
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Niels Kristian Bech Jensen writes:
 > >>EIP; c01467e3 <proc_pid_make_inode+83/b0>   <=====

This should fix it:

--- fs/proc/base.c.~1~	Thu Jul 19 23:02:12 2001
+++ fs/proc/base.c	Thu Jul 19 23:25:28 2001
@@ -670,7 +670,8 @@
 	inode->u.proc_i.task = task;
 	inode->i_uid = 0;
 	inode->i_gid = 0;
-	if (ino == PROC_PID_INO || task->mm->dumpable) {
+	if (ino == PROC_PID_INO ||
+	    (task->mm && task->mm->dumpable)) {
 		inode->i_uid = task->euid;
 		inode->i_gid = task->egid;
 	}
-
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