Commit 88f4e81b authored by Yury Norov's avatar Yury Norov Committed by Chen Jun
Browse files

arm64: introduce AUDIT_ARCH_AARCH64ILP32 for ilp32 

maillist inclusion
category: feature
bugzilla: 46790
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: default avatarAndy Lutomirski <luto@amacapital.net>
Signed-off-by: default avatarYury Norov <ynorov@marvell.com>
Signed-off-by: default avatarXiongfeng Wang <wangxiongfeng2@huawei.com>
Acked-by: default avatarXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: default avatarChen Jun <chenjun102@huawei.com>
parent 8a3f8f5e

arch/arm64/include/asm/syscall.h

+3 −0
Original line number Diff line number Diff line
@@ -91,6 +91,9 @@ 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
@@ -381,6 +381,7 @@ 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)