File sandbox_futex_time64.patch of Package libqt5-qtwebengine

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File sandbox_futex_time64.patch of Package libqt5-qtwebengine (Revision b242d30bbd128846799962dfc8ad051a)

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From 6abdfb1d7638c787081d16bb90022cde7a86309f Mon Sep 17 00:00:00 2001
From: Matthew Denton <mpdenton@chromium.org>
Date: Tue, 16 Mar 2021 06:38:05 +0000
Subject: [PATCH] Linux sandbox: support futex_time64 on 32-bit platforms

This updates futex-related syscall sets to include futex_time64, which
is a version of the futex syscall which uses 64 bit time on 32-bit
systems, to prepare for the Y2038 problem.

Change-Id: Ie933d9fec221233bf837f00c08eb7daee204081d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2753571
Commit-Queue: Matthew Denton <mpdenton@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#863166}
---
 sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc | 7 ++++++-
 sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc    | 3 +++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
index 5e650d93c4b..b37f082dd69 100644
--- a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
+++ b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
@@ -198,8 +198,13 @@ ResultExpr EvaluateSyscallImpl(int fs_denied_errno,
   }
 #endif
 
-  if (sysno == __NR_futex)
+  if (sysno == __NR_futex
+#if defined(__NR_futex_time64)
+      || sysno == __NR_futex_time64
+#endif
+  ) {
     return RestrictFutex();
+  }
 
   if (sysno == __NR_set_robust_list)
     return Error(EPERM);
diff --git a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
index d1ea8e99a1c..3a8a924cc0a 100644
--- a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+++ b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
@@ -427,6 +427,9 @@ bool SyscallSets::IsAllowedFutex(int sysno) {
     case __NR_get_robust_list:
     case __NR_set_robust_list:
     case __NR_futex:
+#if defined(__NR_futex_time64)
+    case __NR_futex_time64:
+#endif
     default:
       return false;
   }

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File sandbox_futex_time64.patch of Package libqt5-qtwebengine (Revision b242d30bbd128846799962dfc8ad051a)

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