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-rw-r--r--jail/jail.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/jail/jail.c b/jail/jail.c
index f459a5e..56dc9ca 100644
--- a/jail/jail.c
+++ b/jail/jail.c
@@ -193,11 +193,11 @@ static int build_jail_fs()
rmdir("/old");
if (opts.procfs) {
mkdir("/proc", 0755);
- mount("proc", "/proc", "proc", MS_NOATIME, 0);
+ mount("proc", "/proc", "proc", MS_NOATIME | MS_NODEV | MS_NOEXEC | MS_NOSUID, 0);
}
if (opts.sysfs) {
mkdir("/sys", 0755);
- mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0);
+ mount("sysfs", "/sys", "sysfs", MS_NOATIME | MS_NODEV | MS_NOEXEC | MS_NOSUID, 0);
}
if (opts.ronly)
mount(NULL, "/", NULL, MS_RDONLY | MS_REMOUNT, 0);