summary refs log tree commit diff
diff options
context:
space:
mode:
authorTim Steinbach <tim@nequissimus.com>2021-03-24 10:07:06 -0400
committerTim Steinbach <NeQuissimus@users.noreply.github.com>2021-03-26 18:48:37 -0400
commitbd2bb9e381cd14f88753dba16e173e4080076421 (patch)
treeb967da29d987610be2ed1b0b647e96ccc867fe5e
parenta7d6642cf304148073e98ec86534f9e7ff4ae36e (diff)
downloadnixpkgs-bd2bb9e381cd14f88753dba16e173e4080076421.tar
nixpkgs-bd2bb9e381cd14f88753dba16e173e4080076421.tar.gz
nixpkgs-bd2bb9e381cd14f88753dba16e173e4080076421.tar.bz2
nixpkgs-bd2bb9e381cd14f88753dba16e173e4080076421.tar.lz
nixpkgs-bd2bb9e381cd14f88753dba16e173e4080076421.tar.xz
nixpkgs-bd2bb9e381cd14f88753dba16e173e4080076421.tar.zst
nixpkgs-bd2bb9e381cd14f88753dba16e173e4080076421.zip
linux-hardened: Enable KFENCE
"Kernel Electric-Fence (KFENCE) is a low-overhead sampling-based memory safety
error detector. KFENCE detects heap out-of-bounds access, use-after-free, and
invalid-free errors."
-rw-r--r--pkgs/os-specific/linux/kernel/hardened/config.nix2
1 files changed, 2 insertions, 0 deletions
diff --git a/pkgs/os-specific/linux/kernel/hardened/config.nix b/pkgs/os-specific/linux/kernel/hardened/config.nix
index e4a7522fe59..20f9f5aaa14 100644
--- a/pkgs/os-specific/linux/kernel/hardened/config.nix
+++ b/pkgs/os-specific/linux/kernel/hardened/config.nix
@@ -91,4 +91,6 @@ assert (versionAtLeast version "4.9");
   CC_STACKPROTECTOR_REGULAR = whenOlder "4.18" no;
   CC_STACKPROTECTOR_STRONG  = whenOlder "4.18" yes;
 
+  # Detect out-of-bound reads/writes and use-after-free
+  KFENCE = whenAtLeast "5.12" yes;
 }