From 8979b47d7fd2c0712432f72e8d604f1b7decc309 Mon Sep 17 00:00:00 2001
From: Wiktor Garbacz <wiktorg@google.com>
Date: Tue, 7 Dec 2021 05:03:35 -0800
Subject: [PATCH] Remove arg filter on `rt_sigprocmask` in `AllowStaticStartup`

PiperOrigin-RevId: 414692179
Change-Id: If2a5f741ad38f626287988911b85bef7a711f80a
---
 sandboxed_api/sandbox2/policybuilder.cc | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/sandboxed_api/sandbox2/policybuilder.cc b/sandboxed_api/sandbox2/policybuilder.cc
index b6191a5..37905e3 100644
--- a/sandboxed_api/sandbox2/policybuilder.cc
+++ b/sandboxed_api/sandbox2/policybuilder.cc
@@ -611,10 +611,7 @@ PolicyBuilder& PolicyBuilder::AllowStaticStartup() {
                          JEQ32(__SIGRTMIN + 1, ALLOW),
                      });
 
-  AddPolicyOnSyscall(__NR_rt_sigprocmask, {
-                                              ARG_32(0),
-                                              JEQ32(SIG_UNBLOCK, ALLOW),
-                                          });
+  AllowSyscall(__NR_rt_sigprocmask);
 
 #ifdef SAPI_X86_64
   // The second argument is a pointer.