From 6283f4bd83eee714d0f5fc55802eff836b06fea8 Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@dtucker.net>
Date: Sat, 14 Jan 2023 22:02:44 +1100
Subject: [PATCH] Allow writev is seccomp sandbox.

This seems to be used by recent glibcs at least in some configurations.
From bz#3512, ok djm@
---
 sandbox-seccomp-filter.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c
index cec43c463ea..4ab49eb6e4c 100644
--- a/sandbox-seccomp-filter.c
+++ b/sandbox-seccomp-filter.c
@@ -312,6 +312,9 @@ static const struct sock_filter preauth_insns[] = {
 #ifdef __NR_write
 	SC_ALLOW(__NR_write),
 #endif
+#ifdef __NR_writev
+	SC_ALLOW(__NR_writev),
+#endif
 #ifdef __NR_socketcall
 	SC_ALLOW_ARG(__NR_socketcall, 0, SYS_SHUTDOWN),
 	SC_DENY(__NR_socketcall, EACCES),