mkosi: Changes to allow booting with sanitizers in mkosi

- Extra memory because ASAN needs it
- The environment variables to make the sanitizers more useful
- LD_PRELOAD because the ASAN DSO needs to be the first in the list
- The sanitizer library packages
- Disable syscall filters because they interfere with ASAN
- Disable systemd-hwdb-update because it's super slow when systemd-hwdb
  is built with sanitizers
- Take the value for meson's b_sanitize option from the SANITIZERS
  environment variable

6 files changed, 14 insertions, 0 deletions

diff --git a/mkosi.default.d/10-systemd.conf b/mkosi.default.d/10-systemd.conf
index 08a03f489b..24b85ddd0b 100644
--- a/mkosi.default.d/10-systemd.conf
+++ b/mkosi.default.d/10-systemd.conf
@@ -6,6 +6,8 @@
 Format=gpt_btrfs
 Bootable=yes
 HostonlyInitrd=yes
+# Prevent ASAN warnings when building the image
+Environment=ASAN_OPTIONS=verify_asan_link_order=false
 
 [Packages]
 BuildDirectory=mkosi.builddir
@@ -16,6 +18,7 @@ SourceFileTransferFinal=copy-git-others
 [Host]
 QemuHeadless=yes
 NetworkVeth=yes
+QemuMem=2G
 
 [Validation]
 Password=
diff --git a/mkosi.default.d/centos_epel/10-mkosi.centos_epel b/mkosi.default.d/centos_epel/10-mkosi.centos_epel
index 42b3c11629..086fcdb555 100644
--- a/mkosi.default.d/centos_epel/10-mkosi.centos_epel
+++ b/mkosi.default.d/centos_epel/10-mkosi.centos_epel
@@ -78,6 +78,8 @@ Packages=
         e2fsprogs
         # xxd is provided by the vim-common package
         vim-common
+        libasan
+        libubsan
         # Required to run systemd-networkd-tests.py
         python3
         iproute
diff --git a/mkosi.default.d/debian/10-mkosi.debian b/mkosi.default.d/debian/10-mkosi.debian
index 44e8521d9a..9b77b5b832 100644
--- a/mkosi.default.d/debian/10-mkosi.debian
+++ b/mkosi.default.d/debian/10-mkosi.debian
@@ -74,6 +74,8 @@ Packages=
         nano
         strace
         xxd
+        # Provides libasan/libubsan
+        gcc
         # Required to run systemd-networkd-tests.py
         python3
         iproute2
diff --git a/mkosi.default.d/fedora/10-mkosi.fedora b/mkosi.default.d/fedora/10-mkosi.fedora
index a6b58c7589..0314a2faab 100644
--- a/mkosi.default.d/fedora/10-mkosi.fedora
+++ b/mkosi.default.d/fedora/10-mkosi.fedora
@@ -77,6 +77,9 @@ Packages=
         compsize
         # xxd is provided by the vim-common package
         vim-common
+        # Sanitizers
+        libasan
+        libubsan
         # Required to run systemd-networkd-tests.py
         python
         iproute
diff --git a/mkosi.default.d/opensuse/10-mkosi.opensuse b/mkosi.default.d/opensuse/10-mkosi.opensuse
index 53fe2f3c93..b1ca381759 100644
--- a/mkosi.default.d/opensuse/10-mkosi.opensuse
+++ b/mkosi.default.d/opensuse/10-mkosi.opensuse
@@ -75,3 +75,5 @@ Packages=
         util-linux
         # xxd is provided by the vim package
         vim
+        # Provides libasan/libubsan
+        gcc
diff --git a/mkosi.default.d/ubuntu/10-mkosi.ubuntu b/mkosi.default.d/ubuntu/10-mkosi.ubuntu
index 0a54547f87..dfb0ec0fd5 100644
--- a/mkosi.default.d/ubuntu/10-mkosi.ubuntu
+++ b/mkosi.default.d/ubuntu/10-mkosi.ubuntu
@@ -72,6 +72,8 @@ Packages=
         nano
         strace
         xxd
+        # Provides libasan/libubsan
+        gcc
         # Required to run systemd-networkd-tests.py
         python3
         iproute2