blob: 7fb572cd3064d8be82f51c31002d6c583b93c82d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
https://bugs.gentoo.org/949654
https://bugreports.qt.io/browse/QTBUG-134631
--- a/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
+++ b/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
@@ -36,4 +36,8 @@
#include "sandbox/linux/system_headers/linux_time.h"
+#if !defined(MAP_DROPPABLE)
+#define MAP_DROPPABLE 0x08 // Zero memory under memory pressure.
+#endif
+
#if (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)) && \
!defined(__arm__) && !defined(__aarch64__) && \
@@ -239,5 +243,5 @@
const uint64_t kAllowedMask = MAP_SHARED | MAP_PRIVATE | MAP_ANONYMOUS |
MAP_STACK | MAP_NORESERVE | MAP_FIXED |
- MAP_DENYWRITE | MAP_LOCKED |
+ MAP_DENYWRITE | MAP_LOCKED | MAP_DROPPABLE |
kArchSpecificAllowedMask;
const Arg<int> flags(3);
|
