From 7901a44a0efa8ef6b779bd5366ac87973015f899 Mon Sep 17 00:00:00 2001
From: Ulf Hermann <ulf.hermann@qt.io>
Date: Thu, 3 Nov 2022 13:25:18 +0100
Subject: Do not crash if madvise() fails on MADV_WILLNEED

MADV_WILLNEED is only advisory. The kernel may ignore it anyway. Any
subsequent access to the pages in question will trigger them to be
re-populated.

Fixes: QTBUG-107774
Change-Id: I8d70003502fdeb3e53c169b28ea6826801d47c74
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
(cherry picked from commit 2034e10c9378364ecc7aa1af27505562d86688de)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/3rdparty/masm/wtf/OSAllocatorPosix.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp b/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp
index ec8e030b14..5b5c0b23bb 100644
--- a/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp
+++ b/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp
@@ -234,7 +234,7 @@ void OSAllocator::commit(void* address, size_t bytes, bool writable, bool execut
 
     while (madvise(address, bytes, MADV_WILLNEED)) {
         if (errno != EAGAIN)
-            CRASH();
+            break; // We don't have to crash here. MADV_WILLNEED is only advisory
     }
 
 #elif HAVE(MADV_FREE_REUSE)
-- 
cgit v1.2.3