unshare: clear SIGCHLD inherited setting

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/sys-utils/unshare.c b/sys-utils/unshare.c
index 8e61221da82417a13a099826a0a669723afa89fb..3f8287799fcc55d5adea985d24f874bf87907c07 100644 (file)
--- a/sys-utils/unshare.c
+++ b/sys-utils/unshare.c
@@ -542,6 +542,9 @@ int main(int argc, char *argv[])
                errx(EXIT_FAILURE, _("options --monotonic and --boottime require "
                        "unsharing of a time namespace (-t)"));
 
+       /* clear any inherited settings */
+       signal(SIGCHLD, SIG_DFL);
+
        if (npersists && (unshare_flags & CLONE_NEWNS))
                bind_ns_files_from_child(&pid_bind, fds);