On Thu, Feb 11, 2016 at 02:16:27PM +0100, Arnd Bergmann wrote: > As reported by Soohoon Lee, the HDIO_GET_32BIT ioctl does not > work correctly in compat mode with libata. > > I have investigated the issue further and found multiple problems > that all appeared with the same commit that originally introduced > HDIO_GET_32BIT handling in libata back in linux-2.6.8 and presumably > also linux-2.4, as the code uses "copy_to_user(arg, &val, 1)" to copy > a 'long' variable containing either 0 or 1 to user space. Applied to libata/for-4.5-fixes. Thanks a lot! -- tejun -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html