On Thu, Apr 13, 2023 at 07:41:06AM +0300, Dan Carpenter wrote: > On Tue, Apr 11, 2023 at 06:22:20PM +0200, Guennadi Liakhovetski wrote: > > Hi, > > > > Actually there's no black magic there because there's no dereference but > > only pointer arithmetic. The compiler just adds the calculated offset to > > NULL and passes that small pointer to printk(). > > > > The code in check_pointer_msg() is supposed to detect bugs but we're > taking advantage of it and introducing bugs... It's might not be magic > but it's pretty astonishing. "efault" is not a mispelling of default. The "e" means error. regards, dan carpenter
