1 files changed, 10 insertions, 0 deletions

diff --git a/src/firejail/sandbox.c b/src/firejail/sandbox.c
index 2c5c5fc12..841d57c89 100644
--- a/src/firejail/sandbox.c
+++ b/src/firejail/sandbox.c
@@ -623,6 +623,16 @@ int sandbox(void* sandbox_arg) {
                 errExit("mounting " RUN_FIREJAIL_LIB_DIR);
 
         //****************************
+        // mount new proc filesystem
+        // representing the pid namespace
+        //****************************
+
+        if (arg_debug)
+                printf("Remounting /proc filesystem\n");
+        if (mount("proc", "/proc", "proc", MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_REC, NULL) < 0)
+                errExit("mounting /proc");
+
+        //****************************
         // log sandbox data
         //****************************
         if (cfg.name)