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From: Konstantin Khlebnikov <khlebnikov@openvz.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org, Denis Kirjanov <kirjanov@gmail.com>,
	Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH 12/12] edac: fix kernel panic on module unloading
Date: Fri, 14 Dec 2012 15:55:33 +0400	[thread overview]
Message-ID: <50CB13B5.6090203@openvz.org> (raw)
In-Reply-To: <20121214112657.6c1b74e9@pyramind.ukuu.org.uk>

Alan Cox wrote:
> On Fri, 14 Dec 2012 15:03:10 +0400
> Konstantin Khlebnikov<khlebnikov@openvz.org>  wrote:
>
>> This patch fixes use-after-free and double-free bugs in edac_mc_sysfs_exit().
>> mci_pdev has single reference and put_device() calls mc_attr_release() which
>> calls kfree(), thus following device_del() works with already released memory.
>> An another kfree() in edac_mc_sysfs_exit() releses the same memory again. Great.
>
> Patches for this were posted a while ago by Jean Delvare. See bugzilla
> 50491 as well for this.
>

Seems like this is different bugs, that was in "i7core_edac", this one in "edac_core"


  parent reply	other threads:[~2012-12-14 11:55 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-14 11:02 [PATCH 01/12] tools/testing/modules: introduce test which loads/unloads random modules Konstantin Khlebnikov
2012-12-14 11:02 ` [PATCH 02/12] driver core: add debug-objects debug for device-drivers Konstantin Khlebnikov
2012-12-14 11:02 ` [PATCH 03/12] mISDN: fix race in timer canceling on module unloading Konstantin Khlebnikov
2012-12-14 18:16   ` David Miller
2012-12-14 11:02 ` [PATCH 04/12] pps: pps_parport: fix oops " Konstantin Khlebnikov
2012-12-14 11:02 ` [PATCH 05/12] staging: vme_pio2: " Konstantin Khlebnikov
2012-12-17 12:01   ` Martyn Welch
2012-12-14 11:02 ` [PATCH 06/12] media/rc: fix oops on unloading module rc-core Konstantin Khlebnikov
2012-12-14 11:02 ` [PATCH 07/12] stmmac: fix platform driver unregistering Konstantin Khlebnikov
2012-12-14 18:16   ` David Miller
2012-12-14 11:02 ` [PATCH 08/12] bonding: do not cancel works in bond_uninit() Konstantin Khlebnikov
2012-12-14 18:16   ` David Miller
2012-12-14 11:02 ` [PATCH 09/12] pps: fix device destruction ordering Konstantin Khlebnikov
2012-12-14 11:03 ` [PATCH 10/12] mac802154: fix destructon ordering for ieee802154 devices Konstantin Khlebnikov
2012-12-14 18:16   ` David Miller
2012-12-14 18:16     ` David Miller
2012-12-14 11:03 ` [PATCH 11/12] firmware/dmi-sysfs: fix sysfs warning on module unload Konstantin Khlebnikov
2012-12-14 11:03 ` [PATCH 12/12] edac: fix kernel panic on module unloading Konstantin Khlebnikov
2012-12-14 11:26   ` Alan Cox
2012-12-14 11:50     ` Borislav Petkov
2012-12-14 11:55     ` Konstantin Khlebnikov [this message]
2012-12-14 13:26       ` Alan Cox
2012-12-15 17:53   ` Borislav Petkov

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