[uclibc-ng-devel] [PATCH 2/2] fix for CVE-2022-29503

Hello, This patch adds the MAP_FIXED_NOREPLACE flag which hasn't made its way into uclibc-ng yet. From c72a664b4bf44bc0d069068b5eed2b62ead35b19 Mon Sep 17 00:00:00 2001 From: linted <linted(a)users.noreply.github.com> Date: Sat, 21 Jan 2023 16:19:23 -0500 Subject: [PATCH 2/2] Defined MAP_FIXED_NOREPLACE Added definition for MAP_FIXED_NOREPLACE which was added in kernel 4.17 Signed-off-by: linted <linted(a)users.noreply.github.com> --- libc/sysdeps/linux/common/bits/mman-linux.h | 1 + 1 file changed, 1 insertion(+) diff --git a/libc/sysdeps/linux/common/bits/mman-linux.h b/libc/sysdeps/linux/common/bits/mman-linux.h index 6ca08415a..4947ddd89 100644 --- a/libc/sysdeps/linux/common/bits/mman-linux.h +++ b/libc/sysdeps/linux/common/bits/mman-linux.h @@ -46,6 +46,7 @@ /* Other flags. */ #define MAP_FIXED 0x10 /* Interpret addr exactly. */ +# define MAP_FIXED_NOREPLACE 0x100000 /* Used to solve problem with MAP_FIXED */ #ifdef __USE_MISC # define MAP_FILE 0 # ifdef __MAP_ANONYMOUS -- 2.34.1