Messages in this thread |  | | | Date | Fri, 23 Dec 2005 07:54:52 +0000 | | From | Al Viro <> | | Subject | Re: [WTF?] sys_tas() on m32r |
On Fri, Dec 23, 2005 at 03:50:32PM +0800, liyu wrote: > >in arch/m32r/kernel/sys_m32r.c. Trivial oops *AND* ability to trigger > >IO with interrupts disabled.
> The memory that parameter addr pointer is in user-space. > To access these memory, you should use function like copy_from_user().
... which is deadly with interrupts disabled/under a spinlock. Exactly. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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