On Tue, Dec 13, 2016 at 3:35 AM, Kalle Valo <kvalo@xxxxxxxxxxxxxx> wrote: > Andy Lutomirski <luto@xxxxxxxxxx> writes: > >> Eric Biggers pointed out that the orinoco driver pointed scatterlists >> at the stack. >> >> Fix it by switching from ahash to shash. The result should be >> simpler, faster, and more correct. >> >> Cc: stable@xxxxxxxxxxxxxxx # 4.9 only >> Reported-by: Eric Biggers <ebiggers3@xxxxxxxxx> >> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx> > > "more correct"? Does this fix a real user visible bug or what? And why > just stable 4.9, does this maybe have something to do with > CONFIG_VMAP_STACK? Whoops, I had that text in some other patches but forgot to put it in this one. It'll blow up with CONFIG_VMAP_STACK=y if a debug option like CONFIG_DEBUG_VIRTUAL=y is set. It may work by accident if debugging is off. --Andy
