tentative fix: automatically mount libdir in chroot - #2176

1 files changed, 10 insertions, 0 deletions

diff --git a/src/firejail/fs.c b/src/firejail/fs.c
index b958df81a..9f0dac4e0 100644
--- a/src/firejail/fs.c
+++ b/src/firejail/fs.c
@@ -1379,6 +1379,16 @@ void fs_chroot(const char *rootdir) {
         ASSERT_PERMS(rundir, 0, 0, 0755);
         free(rundir);
 
+        // create /run/firejail/lib directory in chroot and mount it
+        if (asprintf(&rundir, "%s%s", rootdir, RUN_FIREJAIL_LIB_DIR) == -1)
+                errExit("asprintf");
+        if (mkdir(rundir, 0755) == -1 && errno != EEXIST)
+                errExit("mkdir");
+        ASSERT_PERMS(rundir, 0, 0, 0755);
+        if (mount(RUN_FIREJAIL_LIB_DIR, rundir, NULL, MS_BIND|MS_REC, NULL) < 0)
+                errExit("mount bind");
+        free(rundir);
+
         // create /run/firejail/mnt directory in chroot and mount the current one
         if (asprintf(&rundir, "%s%s", rootdir, RUN_MNT_DIR) == -1)
                 errExit("asprintf");