From: Stafford Horne Date: Tue, 4 Aug 2020 01:41:54 +0000 (+0900) Subject: openrisc: uaccess: Add user address space check to access_ok X-Git-Tag: Ubuntu-5.13.0-19.19~5267^2 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=55b2662ec665cc8b592809a011fe807b05370ab8;p=mirror_ubuntu-jammy-kernel.git openrisc: uaccess: Add user address space check to access_ok Now that __user annotations are fixed for openrisc uaccess api's we can add checking to the access_ok macro. This patch adds the __chk_user_ptr check, on normal builds the added check is a nop. Signed-off-by: Stafford Horne Reviewed-by: Luc Van Oostenryck --- diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index 85a55359b244..7c5892f56765 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -57,6 +57,7 @@ static inline int __range_ok(unsigned long addr, unsigned long size) #define access_ok(addr, size) \ ({ \ + __chk_user_ptr(addr); \ __range_ok((unsigned long)(addr), (size)); \ })