Re: [Xen-devel] [PATCH v2] x86/xen: avoid freeing static 'name' when kasprintf() fails

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 05/01/15 15:27, Vitaly Kuznetsov wrote:
> In case kasprintf() fails in xen_setup_timer() we assign name to the static
> string "<timer kasprintf failed>". We, however, don't check that fact before
> issuing kfree() in xen_teardown_timer(), kernel is supposed to crash with
> 'kernel BUG at mm/slub.c:3341!'
> 
> Solve the issue by making name a fixed length string inside struct
> xen_clock_event_device. 16 bytes should be enough.

Applied to stable/for-linus-3.19, thanks.

David

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