add futex(2) syscall to seccomp sandbox

Apparently needed for some glibc/openssl combinations.

Patch from Arkadiusz Miśkiewicz

1 files changed, 3 insertions, 0 deletions

diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c
index 12c4ee130..5edbc6946 100644
--- a/sandbox-seccomp-filter.c
+++ b/sandbox-seccomp-filter.c
@@ -166,6 +166,9 @@ static const struct sock_filter preauth_insns[] = {
 #ifdef __NR_exit_group
         SC_ALLOW(__NR_exit_group),
 #endif
+#ifdef __NR_futex
+        SC_ALLOW(__NR_futex),
+#endif
 #ifdef __NR_geteuid
         SC_ALLOW(__NR_geteuid),
 #endif