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From: Andi Kleen <ak@muc.de>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.10-mm2: panic when munmap()ping the stack
Date: Tue, 11 Jan 2005 06:19:08 +0100	[thread overview]
Message-ID: <m1ekgsczlf.fsf@muc.de> (raw)
In-Reply-To: <1105401719.4153.2.camel@localhost> (Jeremy Fitzhardinge's message of "Mon, 10 Jan 2005 16:01:58 -0800")

Jeremy Fitzhardinge <jeremy@goop.org> writes:

> This program causes an instant panic for me:
>
>         #include <sys/mman.h>
>         
>         int main(int argc, char **argv)
>         {
>         	munmap((char *)(((unsigned long)&argc) & ~4095), 4096*2);
>         
>         	return 0;
>         }

I think Linus already fixed that. Can you try the latest -BK?
It's a fallout of the new clear_page_tables()

-Andi

  parent reply	other threads:[~2005-01-11  5:19 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-11  0:01 2.6.10-mm2: panic when munmap()ping the stack Jeremy Fitzhardinge
2005-01-11  2:34 ` Jeremy Fitzhardinge
2005-01-11  3:26 ` William Lee Irwin III
2005-01-11  3:57 ` Andrew Morton
2005-01-11  5:19 ` Andi Kleen [this message]
2005-01-11 23:04 ` Frank Denis (Jedi/Sector One)

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