On Thu, Mar 21, 2019 at 05:49:40PM +0100, Greg Kroah-Hartman wrote:
> On Thu, Mar 21, 2019 at 09:16:23AM -0700, Guenter Roeck wrote:
> > ---
> > v4.19.y.queue:
> >
> > m68k, all builds:
> >
> > mm/slab.c: In function '__check_heap_object':
> > mm/slab.c:4424:8: error: implicit declaration of function 'kasan_reset_tag'
>
> That's odd, I don't see that function in the tree at all:
> $ git grep kasan_reset_tag
> $
>
That is odd.
groeck@server:~/src/linux-stable$ git grep kasan_reset_tag
mm/slab.c: ptr = kasan_reset_tag(ptr);
groeck@server:~/src/linux-stable$ git describe
v4.19.30-212-g4107be0fa04a
This is from commit 06fc4a6d44dce ("kasan, slab: fix conflicts with
CONFIG_HARDENED_USERCOPY"). Upstream commit is 219667c23c68eb3.
Is your branch different ?
FWIW, what I don't understand is why this doesn't blow up all builds.
Guenter
