Kees Cook d5ae1c3b97 usb: Annotate struct urb_priv with __counted_by
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 urb_priv.

[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci

Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mathias Nyman <mathias.nyman@intel.com>
Cc: linux-usb@vger.kernel.org
Link: https://lore.kernel.org/r/20230915195812.never.371-kees@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
2023-10-02 09:48:52 -07:00
..
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