On Thu, Sep 10, 2020 at 02:48:02PM +0100, Elena Petrova wrote: > in_ubsan field of task_struct is only used in lib/ubsan.c, which in its > turn is used only `ifneq ($(CONFIG_UBSAN_TRAP),y)`. > > Removing unnecessary field from a task_struct will help preserve the > ABI between vanilla and CONFIG_UBSAN_TRAP'ed kernels. In particular, > this will help enabling bounds sanitizer transparently for Android's > GKI. > > Signed-off-by: Elena Petrova <lena...@google.com>
Acked-by: Kees Cook <keesc...@chromium.org> (This should be CCed to akpm who has been taking most of the ubsan patches lately.) -- Kees Cook
