Commit 6d93c591 authored Nov 27, 2023 by Yury Norov Committed by Jinjie Ruan Nov 27, 2023

arm64: introduce AUDIT_ARCH_AARCH64ILP32 for ilp32

maillist inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8JVJ3
CVE: NA

Reference: https://github.com/norov/linux/commits/ilp32-5.2



--------------------------------

syscall_get_arch() currently makes no difference between arm64 and
arm64/ilp32. Fix it by adding AUDIT_ARCH_AARCH64ILP32.

Reported-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Yury Norov <ynorov@marvell.com>
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Signed-off-by: Chen Jiahao <chenjiahao16@huawei.com>
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>

parent ee468438

arch/arm64/include/asm/syscall.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,9 @@ static inline int syscall_get_arch(struct task_struct *task)
		if (is_a32_compat_thread(task_thread_info(task)))
		return AUDIT_ARCH_ARM;

		else if (is_ilp32_compat_task())
		return AUDIT_ARCH_AARCH64ILP32;

		return AUDIT_ARCH_AARCH64;
		}

include/uapi/linux/audit.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -386,6 +386,7 @@ enum {
		#define __AUDIT_ARCH_LE 0x40000000

		#define AUDIT_ARCH_AARCH64 (EM_AARCH64\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
		#define AUDIT_ARCH_AARCH64ILP32 (EM_AARCH64\|__AUDIT_ARCH_LE)
		#define AUDIT_ARCH_ALPHA (EM_ALPHA\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
		#define AUDIT_ARCH_ARCOMPACT (EM_ARCOMPACT\|__AUDIT_ARCH_LE)
		#define AUDIT_ARCH_ARCOMPACTBE (EM_ARCOMPACT)