From c4da0a5094e21241db8ce0d8b12c2e4272fa49ef Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Thu, 9 Apr 2020 08:33:11 -0400
Subject: [PATCH] Add fsync to list of syscalls permitted by sandbox

(Our fix for 33087 requires this, I believe.)
---
 src/lib/sandbox/sandbox.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib/sandbox/sandbox.c b/src/lib/sandbox/sandbox.c
index 1d2c40c753..626a4dc5a5 100644
--- a/src/lib/sandbox/sandbox.c
+++ b/src/lib/sandbox/sandbox.c
@@ -166,6 +166,7 @@ static int filter_nopar_gen[] = {
 #ifdef __NR_fstat64
     SCMP_SYS(fstat64),
 #endif
+    SCMP_SYS(fsync),
     SCMP_SYS(futex),
     SCMP_SYS(getdents),
     SCMP_SYS(getdents64),