Re: [PATCH] gpiolib: cdev: Annotate struct linereq with __counted_by

2023-09-25 Thread Bartosz Golaszewski
On Fri, Sep 22, 2023 at 7:52 PM 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

Re: [PATCH] gpiolib: cdev: Annotate struct linereq with __counted_by

2023-09-25 Thread Andy Shevchenko
On Fri, Sep 22, 2023 at 10:52:03AM -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

Re: [PATCH] gpiolib: cdev: Annotate struct linereq with __counted_by

2023-09-23 Thread Linus Walleij
On Fri, Sep 22, 2023 at 7:52 PM 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

Re: [PATCH] gpiolib: cdev: Annotate struct linereq with __counted_by

2023-09-23 Thread Gustavo A. R. Silva
On 9/22/23 11:52, 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

[PATCH] gpiolib: cdev: Annotate struct linereq with __counted_by

2023-09-22 Thread Kees Cook
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