21 lines
978 B
Diff
21 lines
978 B
Diff
https://bugs.gentoo.org/949654
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https://bugreports.qt.io/browse/QTBUG-134631
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--- a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
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+++ b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
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@@ -36,4 +36,8 @@
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#include "sandbox/linux/system_headers/linux_time.h"
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+#if !defined(MAP_DROPPABLE)
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+#define MAP_DROPPABLE 0x08 // Zero memory under memory pressure.
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+#endif
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+
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#if (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)) && \
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!defined(__arm__) && !defined(__aarch64__) && \
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@@ -239,5 +243,5 @@
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const uint64_t kAllowedMask = MAP_SHARED | MAP_PRIVATE | MAP_ANONYMOUS |
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MAP_STACK | MAP_NORESERVE | MAP_FIXED |
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- MAP_DENYWRITE | MAP_LOCKED |
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+ MAP_DENYWRITE | MAP_LOCKED | MAP_DROPPABLE |
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kArchSpecificAllowedMask;
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const Arg<int> flags(3);
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