Re: [patch] slob: fix memory corruption

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To: Nick Piggin <nickpiggin@...>

Cc: David Miller <davem@...>, <mpm@...>, <rjw@...>, <linux-kernel@...>, <akpm@...>, <torvalds@...>, Thomas Gleixner <tglx@...>

Subject: Re: [patch] slob: fix memory corruption

Date: Thursday, November 15, 2007 - 8:48 am

> From: Nick Piggin <npiggin@suse.de>

quoted text> -		if (free_slob_pages.next != prev->next)
> +		if (prev != free_slob_pages.prev &&
> +				free_slob_pages.next != prev->next)
>  			list_move_tail(&free_slob_pages, prev->next);

btw., exactly how did you find this bug? User-space simulation of SLOB?

	Ingo
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Messages in current thread:

2.6.24-rc2: Reported regressions from 2.6.23 (updated), Rafael J. Wysocki, (Sun Nov 11, 3:58 pm)

[bug] SLOB crash, 2.6.24-rc2, Ingo Molnar, (Wed Nov 14, 7:20 am)

Re: [bug] SLOB crash, 2.6.24-rc2, Matt Mackall, (Wed Nov 14, 1:36 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, Matt Mackall, (Wed Nov 14, 2:39 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, Ingo Molnar, (Wed Nov 14, 3:05 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, David Miller, (Wed Nov 14, 6:39 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, Matt Mackall, (Wed Nov 14, 6:53 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, David Miller, (Wed Nov 14, 7:10 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, Matt Mackall, (Wed Nov 14, 7:37 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, David Miller, (Wed Nov 14, 7:41 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, Ingo Molnar, (Thu Nov 15, 6:43 am)

Re: [bug] SLOB crash, 2.6.24-rc2, Nick Piggin, (Thu Nov 15, 6:57 am)

Re: [bug] SLOB crash, 2.6.24-rc2, Ingo Molnar, (Thu Nov 15, 7:28 am)

Re: [bug] SLOB crash, 2.6.24-rc2, Dave Haywood, (Thu Nov 15, 8:18 am)

Re: [bug] SLOB crash, 2.6.24-rc2, Nick Piggin, (Thu Nov 15, 7:39 am)

[patch] slob: fix memory corruption, Ingo Molnar, (Thu Nov 15, 7:32 am)

Re: [patch] slob: fix memory corruption, Matt Mackall, (Thu Nov 15, 12:00 pm)

Re: [patch] slob: fix memory corruption, Ingo Molnar, (Thu Nov 15, 8:48 am)

Re: [patch] slob: fix memory corruption, Nick Piggin, (Thu Nov 15, 4:25 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, David Miller, (Thu Nov 15, 6:51 am)

Re: [bug] SLOB crash, 2.6.24-rc2, Ingo Molnar, (Thu Nov 15, 7:03 am)

Re: [bug] SLOB crash, 2.6.24-rc2, David Miller, (Thu Nov 15, 7:05 am)

Re: [bug] SLOB crash, 2.6.24-rc2, Matt Mackall, (Wed Nov 14, 8:09 pm)

Re: [bug] SLOB crash, 2.6.24-rc2, Matt Mackall, (Wed Nov 14, 3:42 pm)

Re: 2.6.24-rc2: Reported regressions from 2.6.23 (updated), Francois Romieu, (Sun Nov 11, 4:33 pm)

Re: 2.6.24-rc2: Reported regressions from 2.6.23 (updated), Ingo Molnar, (Sun Nov 11, 4:30 pm)

Re: 2.6.24-rc2: Reported regressions from 2.6.23 (updated), Alan Cox, (Sun Nov 11, 4:09 pm)

Re: 2.6.24-rc2: Reported regressions from 2.6.23 (updated), Bartlomiej Zolnierkiewicz..., (Sun Nov 11, 6:22 pm)

Re: 2.6.24-rc2: Reported regressions from 2.6.23 (updated), Alan Cox, (Sun Nov 11, 6:46 pm)

Re: 2.6.24-rc2: Reported regressions from 2.6.23 (updated), Andrew Morton, (Mon Nov 12, 9:11 pm)

Re: 2.6.24-rc2: Reported regressions from 2.6.23 (updated), Thomas Lindroth, (Tue Nov 13, 10:09 am)

Re: 2.6.24-rc2: Reported regressions from 2.6.23 (updated), Rafael J. Wysocki, (Sun Nov 11, 4:34 pm)

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