On Wed, 2024-02-28 at 10:25 -1000, Richard Henderson wrote:
> There are multiple issues with the implementation of shmat().
>
> (1) With reserved_va, which is the default for 32-on-64-bit, we mmap
> the
> entire guest address space. Unlike mmap, shmat refuses to
> replace an
> existing
There are multiple issues with the implementation of shmat().
(1) With reserved_va, which is the default for 32-on-64-bit, we mmap the
entire guest address space. Unlike mmap, shmat refuses to replace an
existing mapping without setting SHM_REMAP. This is the original
subject of
