On Fri, Sep 22, 2023 at 10:52:07AM -0700, Kees Cook wrote: > Prepare for the coming implementation by GCC and Clang of the __counted_by > attribute. Flexible array members annotated with __counted_by can have > their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS > (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family > functions). > > As found with Coccinelle[1], add __counted_by for struct da9063_regulators.
Friendly ping. Mark can you pick this up? Thanks! -Kees > > [1] > https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci > > Cc: Support Opensource <[email protected]> > Cc: Liam Girdwood <[email protected]> > Cc: Mark Brown <[email protected]> > Signed-off-by: Kees Cook <[email protected]> > --- > drivers/regulator/da9063-regulator.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/regulator/da9063-regulator.c > b/drivers/regulator/da9063-regulator.c > index a0621665a6d2..82bf321ae06f 100644 > --- a/drivers/regulator/da9063-regulator.c > +++ b/drivers/regulator/da9063-regulator.c > @@ -158,7 +158,7 @@ struct da9063_regulator { > struct da9063_regulators { > unsigned int n_regulators; > /* Array size to be defined during init. Keep at end. */ > - struct da9063_regulator regulator[]; > + struct da9063_regulator regulator[] > __counted_by(n_regulators); > }; > > /* BUCK modes for DA9063 */ > -- > 2.34.1 > -- Kees Cook
