On Tue, Sep 22, 2026 at 10:35:38PM +0000, Bill Wendling wrote: > The GCC and Clang compilers provide the __counted_by_ptr attribute, > which is used by KASAN and compiler bounds-checking to detect > out-of-bounds accesses to pointer fields. > > In "struct fsl_mc_io", the "portal_virt_addr" pointer points to the MC > command portal virtual address. The size of this allocated portal in > bytes is tracked by the "portal_size" field within the same structure. > > Annotate the "portal_virt_addr" pointer field with > "__counted_by_ptr(portal_size)" to enable compiler bounds-checking and > harden against potential out-of-bounds accesses. > > Cc: [email protected] > Assisted-by: LLM > Signed-off-by: Bill Wendling <[email protected]>
Reviewed-by: Ioana Ciornei <[email protected]>
