systemd/0005-seccomp-arm64-does-not-have-mmap2.patch
Zbigniew Jędrzejewski-Szmek d044ab56d6 Backport some patches
2017-07-17 19:34:13 -04:00

41 lines
1.7 KiB
Diff

From e04118bd11f8268e7ee7b893f861f18f03bc6970 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Sat, 15 Jul 2017 19:30:01 +0000
Subject: [PATCH] seccomp: arm64 does not have mmap2
I messed up when adding the definitions in 4278d1f5310f5acb4c6a6788233625234edb5145.
Unfortunately I didn't have the hardware at hand and went by
looking at the kernel headers.
(cherry picked from commit 53196fafcb7b24b45ed4f48ab894d00a24a6d871)
(cherry picked from commit 79873bc850177050baa0c5165b119adafeebb891)
---
src/shared/seccomp-util.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/src/shared/seccomp-util.c b/src/shared/seccomp-util.c
index 1a8bfbe416..637ee8526e 100644
--- a/src/shared/seccomp-util.c
+++ b/src/shared/seccomp-util.c
@@ -1223,10 +1223,6 @@ int seccomp_memory_deny_write_execute(void) {
break;
- case SCMP_ARCH_AARCH64:
- block_syscall = SCMP_SYS(mmap);
- /* fall through */
-
case SCMP_ARCH_ARM:
filter_syscall = SCMP_SYS(mmap2); /* arm has only mmap2 */
shmat_syscall = SCMP_SYS(shmat);
@@ -1234,7 +1230,8 @@ int seccomp_memory_deny_write_execute(void) {
case SCMP_ARCH_X86_64:
case SCMP_ARCH_X32:
- filter_syscall = SCMP_SYS(mmap); /* amd64 and x32 have only mmap */
+ case SCMP_ARCH_AARCH64:
+ filter_syscall = SCMP_SYS(mmap); /* amd64, x32, and arm64 have only mmap */
shmat_syscall = SCMP_SYS(shmat);
break;