blob: 82c23cf87a64b4a13b9e311a6557d807747e0b6c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#!/bin/sh
# SPDX-License-Identifier: LGPL-2.1-or-later
if [ "$1" = "build" ]; then
exit 0
fi
if [ -n "$SANITIZERS" ]; then
LD_PRELOAD=$(ldd /usr/lib/systemd/systemd | grep libasan.so | awk '{print $3}')
mkdir -p /etc/systemd/system.conf.d
cat >/etc/systemd/system.conf.d/10-asan.conf <<EOF
[Manager]
ManagerEnvironment=ASAN_OPTIONS=$MKOSI_ASAN_OPTIONS\\
UBSAN_OPTIONS=$MKOSI_UBSAN_OPTIONS\\
LD_PRELOAD=$LD_PRELOAD
DefaultEnvironment=ASAN_OPTIONS=$MKOSI_ASAN_OPTIONS\\
UBSAN_OPTIONS=$MKOSI_UBSAN_OPTIONS\\
LD_PRELOAD=$LD_PRELOAD
EOF
# ASAN logs to stderr by default. However, journald's stderr is connected to /dev/null, so we lose
# all the ASAN logs. To rectify that, let's connect journald's stdout to the console so that any
# sanitizer failures appear directly on the user's console.
mkdir -p /etc/systemd/system/systemd-journald.service.d
cat >/etc/systemd/system/systemd-journald.service.d/10-stdout-tty.conf <<EOF
[Service]
StandardOutput=tty
EOF
# Both systemd and util-linux's login call vhangup() on /dev/console which disconnects all users.
# This means systemd-journald can't log to /dev/console even if we configure `StandardOutput=tty`. As
# a workaround, we modify console-getty.service to disable systemd's vhangup() and disallow login
# from calling vhangup() so that journald's ASAN logs correctly end up in the console.
mkdir -p /etc/systemd/system/console-getty.service.d
cat >/etc/systemd/system/console-getty.service.d/10-no-vhangup.conf <<EOF
[Service]
TTYVHangup=no
CapabilityBoundingSet=~CAP_SYS_TTY_CONFIG
EOF
# ASAN and syscall filters aren't compatible with each other.
find / -name '*.service' -type f -exec sed -i 's/^\(MemoryDeny\|SystemCall\)/# \1/' {} +
# `systemd-hwdb update` takes > 50s when built with sanitizers so let's not run it by default.
systemctl mask systemd-hwdb-update.service
fi
if [ -n "$IMAGE_ID" ] ; then
sed -n \
-i \
-e '/^IMAGE_ID=/!p' \
-e "\$aIMAGE_ID=$IMAGE_ID" \
/usr/lib/os-release
fi
if [ -n "$IMAGE_VERSION" ] ; then
sed -n \
-i \
-e '/^IMAGE_VERSION=/!p' \
-e "\$aIMAGE_VERSION=$IMAGE_VERSION" \
/usr/lib/os-release
fi
if command -v authselect >/dev/null; then
authselect select minimal
if authselect list-features minimal | grep -q "with-homed"; then
authselect enable-feature with-homed
fi
fi
# Let tmpfiles.d/systemd-resolve.conf handle the symlink
rm -f /etc/resolv.conf
|
