On Thu, Sep 17, 2026 at 02:12:40PM -0700, Kees Cook wrote: > From: Kees Cook <[email protected]> > > In preparation for converting the kmalloc family of allocators to the > type-aware kmalloc_obj family, we need to make sure that the returned > type from the allocation matches the type of the variable being > assigned. (The kmalloc family returns "void *", which can be implicitly > cast to any pointer type.) > > These allocate as many pointers as ebc_key_maps and ebc_func_table hold, > but the sizes were taken from the whole arrays, which would make the > allocation types pointers to those arrays rather than the "u_short **" > and "char **" being assigned. Allocate ARRAY_SIZE-many entries instead. > The resulting allocation sizes are the same. > > Build tested ARCH=s390 allmodconfig with GCC s390x-linux-gnu 16.1.0: > drivers/s390/char/keyboard.o > > Assisted-by: LLM coccinelle > Signed-off-by: Kees Cook <[email protected]> > --- > Cc: Heiko Carstens <[email protected]> > Cc: Vasily Gorbik <[email protected]> > Cc: Alexander Gordeev <[email protected]> > Cc: Christian Borntraeger <[email protected]> > Cc: Sven Schnelle <[email protected]> > Cc: <[email protected]> > --- > drivers/s390/char/keyboard.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-)
Applied, thanks!

