On Sun, 2020-10-25 at 12:17 -0700, Andrew Morton wrote:
> On Mon, 26 Oct 2020 02:15:37 +0800 kernel test robot <lkp@xxxxxxxxx> wrote:
> > vim +/ltv350qv_power +192 drivers/video/backlight/ltv350qv.c
>
> Odd - the code looks pretty normal. It is possible that your compiler
> is (crazily) inlining ltv350qv_write_reg()?
There's a lot of stack used when gcc's compiler options include
-fsanitize=object-size
This option enables instrumentation of memory references using
the "__builtin_object_size" function. Various out of bounds
pointer accesses are detected.
Perhaps this config enables it?
