MacOS kernel memory corruption due to off-by-one in audit_sdev_open (CVE-2017-2483)

The auditsession device has a copy-pasted version of the same bug as the auditpipe device: static int auditsdevopendevt dev, unused int flags, unused int devtype, proct p struct auditsdev asdev; struct auditinfoaddr aia; int u; u = minordev; if u MAXAUDITSDEVS return ENXIO; void auditsdevgetaiap,...