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allow usage of SYS_membarrier, needed since musl-1.1.22
Taken from voidlinux: https://github.com/void-linux/void-packages/commit/4198411ac3b9e2620e171c662df82008da0faebb
--- a/security/sandbox/linux/SandboxFilter.cpp
+++ b/security/sandbox/linux/SandboxFilter.cpp
@@ -572,6 +572,8 @@
case __NR_set_tid_address:
return Allow();
#endif
+ case __NR_membarrier:
+ return Allow();
// prctl
case __NR_prctl: {
--- a/security/sandbox/chromium/sandbox/linux/system_headers/arm_linux_syscalls.h
+++ b/security/sandbox/chromium/sandbox/linux/system_headers/arm_linux_syscalls.h
@@ -1385,6 +1385,10 @@
#define __NR_memfd_create (__NR_SYSCALL_BASE+385)
#endif
+#if !defined(__NR_membarrier)
+#define __NR_membarrier (__NR_SYSCALL_BASE+389)
+#endif
+
// ARM private syscalls.
#if !defined(__ARM_NR_BASE)
#define __ARM_NR_BASE (__NR_SYSCALL_BASE + 0xF0000)
--- a/security/sandbox/chromium/sandbox/linux/system_headers/x86_64_linux_syscalls.h
+++ b/security/sandbox/chromium/sandbox/linux/system_headers/x86_64_linux_syscalls.h
@@ -1290,5 +1290,9 @@
#define __NR_memfd_create 319
#endif
+#if !defined(__NR_membarrier)
+#define __NR_membarrier 324
+#endif
+
#endif // SANDBOX_LINUX_SYSTEM_HEADERS_X86_64_LINUX_SYSCALLS_H_
--- a/security/sandbox/chromium/sandbox/linux/system_headers/x86_32_linux_syscalls.h
+++ b/security/sandbox/chromium/sandbox/linux/system_headers/x86_32_linux_syscalls.h
@@ -1490,5 +1490,9 @@
#define __NR_shutdown 373
#endif
+#if !defined(__NR_membarrier)
+#define __NR_membarrier 375
+#endif
+
#endif // SANDBOX_LINUX_SYSTEM_HEADERS_X86_32_LINUX_SYSCALLS_H_
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