1 files changed, 7 insertions, 0 deletions

diff --git a/src/firejail/fs.c b/src/firejail/fs.c
index cad101bf9..b0add91e2 100644
--- a/src/firejail/fs.c
+++ b/src/firejail/fs.c
@@ -959,4 +959,11 @@ void fs_chroot(const char *rootdir) {
 }
 #endif
 
+void fs_private_tmp(void) {
+        // mount tmpfs on top of /run/firejail/mnt
+        if (arg_debug)
+                printf("Mounting tmpfs on /tmp directory\n");
+        if (mount("tmpfs", "/tmp", "tmpfs", MS_NOSUID | MS_STRICTATIME | MS_REC,  "mode=777,gid=0") < 0)
+                errExit("mounting /tmp/firejail/mnt");
+}