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)

diff --git a/src/shared/seccomp-util.c b/src/shared/seccomp-util.c
index 1c3706a..5d8a698 100644 (file)
--- 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;