On Fri, 14 Dec 2012 15:03:10 +0400
Konstantin Khlebnikov <khlebni...@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.


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