On Wed, Sep 20, 2017 at 08:54:08PM +0200, Andrey Konovalov wrote: > Hi! > > I've got the following report while fuzzing the kernel with syzkaller. > > On commit ebb2c2437d8008d46796902ff390653822af6cc4 (Sep 18). > > The null-ptr-deref happens on assoc_desc->bFirstInterface, where > assoc_desc = udev->actconfig->intf_assoc[0]. There seems to be no > check that the device actually contains an Interface Association > Descriptor. That is indeed a bug; I'll respond to this mail with a fix. Thanks, Johan
