On Mon, Apr 22, 2024 at 12:18:46PM +0300, Mike Rapoport wrote: > The kernel config here has CONFIG_DEBUG_VIRTUAL=y, so __pa translates to > __phys_addr() in arch/x86/mm/physaddr.c and __pa(-PAGE_SIZE) triggers > > VIRTUAL_BUG_ON(y >= KERNEL_IMAGE_SIZE); RISCV also has a similar thing when CONFIG_DEBUG_VIRTUAL=y > > x86 has __pa_nodebug() that does not do bounds check, but it cannot be used > in generic code because no other arch except s390 define it. > > For now I don't have ideas how to make this work in the general case, so > probably we should only fix riscv for now. Agree, let's just fix riscv for now. This time I will cook up something safer, no more __pa() on a potentially invalid address. Best regards, Nam
