increased delay to 1 second in pid monitoring function for joined processes

1 files changed, 5 insertions, 0 deletions

diff --git a/src/firejail/sandbox.c b/src/firejail/sandbox.c
index faa641d13..f26f8b06a 100644
--- a/src/firejail/sandbox.c
+++ b/src/firejail/sandbox.c
@@ -208,6 +208,11 @@ static int monitor_application(pid_t app_pid) {
                 while(rv != monitored_pid);
                 if (arg_debug)
                         printf("Sandbox monitor: waitpid %u retval %d status %d\n", monitored_pid, rv, status);
+                if (rv == -1) { // we can get here if we have processes joining the sandbox (ECHILD)
+                        if (arg_debug)
+                                perror("waitpid");
+                        sleep(1);
+                }
 
                 // if /proc is not remounted, we cannot check /proc directory,
                 // for now we just get out of here