From ca10b9e0722acc5f055261e2337d48b930dbf114 Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Thu, 1 Jun 2023 14:30:40 +0200
Subject: [PATCH] sys_linux: allow writev and TIOCGWINSZ in seccomp filter

Allow more syscalls for musl.

Reported-by: jvoisin <julien.voisin@dustri.org>
---
 sys_linux.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys_linux.c b/sys_linux.c
index c6cb453..6849637 100644
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -603,6 +603,7 @@ SYS_Linux_EnableSystemCallFilter(int level, SYS_ProcessContext context)
     SCMP_SYS(select),
     SCMP_SYS(set_robust_list),
     SCMP_SYS(write),
+    SCMP_SYS(writev),
 
     /* Miscellaneous */
     SCMP_SYS(getrandom),
@@ -657,7 +658,7 @@ SYS_Linux_EnableSystemCallFilter(int level, SYS_ProcessContext context)
   const static int fcntls[] = { F_GETFD, F_SETFD, F_GETFL, F_SETFL };
 
   const static unsigned long ioctls[] = {
-    FIONREAD, TCGETS,
+    FIONREAD, TCGETS, TIOCGWINSZ,
 #if defined(FEAT_PHC) || defined(HAVE_LINUX_TIMESTAMPING)
     PTP_EXTTS_REQUEST, PTP_SYS_OFFSET,
 #ifdef PTP_PIN_SETFUNC