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base-files: Mount debugfs and pstore with nosuid,nodev,noexec

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These permissions are not needed. Systemd also mounts these file systems
without these permissions on other Linux distributions.

Dropping these permissions should make the system more secure.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Link: https://github.com/openwrt/openwrt/pull/16960
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Hauke Mehrtens 2024-11-14 21:46:36 +01:00 committed by Christian Marangi
parent 3b710375dd
commit b88d51898d
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1 changed files with 2 additions and 2 deletions
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package/base-files/files/etc/init.d/boot
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@ -35,9 +35,9 @@ boot() {
mkdir -p /tmp/resolv.conf.d
touch /tmp/resolv.conf.d/resolv.conf.auto
ln -sf /tmp/resolv.conf.d/resolv.conf.auto /tmp/resolv.conf
grep -q debugfs /proc/filesystems && /bin/mount -o noatime -t debugfs debugfs /sys/kernel/debug
grep -q debugfs /proc/filesystems && /bin/mount -o nosuid,nodev,noexec,noatime -t debugfs debugfs /sys/kernel/debug
grep -q bpf /proc/filesystems && /bin/mount -o nosuid,nodev,noexec,noatime,mode=0700 -t bpf bpffs /sys/fs/bpf
grep -q pstore /proc/filesystems && /bin/mount -o noatime -t pstore pstore /sys/fs/pstore
grep -q pstore /proc/filesystems && /bin/mount -o nosuid,nodev,noexec,noatime -t pstore pstore /sys/fs/pstore
[ "$FAILSAFE" = "true" ] && touch /tmp/.failsafe
touch /tmp/.config_pending