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-rw-r--r--runsc/fsgofer/filter/config.go12
1 files changed, 12 insertions, 0 deletions
diff --git a/runsc/fsgofer/filter/config.go b/runsc/fsgofer/filter/config.go
index a1792330f..1dce36965 100644
--- a/runsc/fsgofer/filter/config.go
+++ b/runsc/fsgofer/filter/config.go
@@ -128,6 +128,18 @@ var allowedSyscalls = seccomp.SyscallRules{
syscall.SYS_MADVISE: {},
unix.SYS_MEMFD_CREATE: {}, /// Used by flipcall.PacketWindowAllocator.Init().
syscall.SYS_MKDIRAT: {},
+ // Used by the Go runtime as a temporarily workaround for a Linux
+ // 5.2-5.4 bug.
+ //
+ // See src/runtime/os_linux_x86.go.
+ //
+ // TODO(b/148688965): Remove once this is gone from Go.
+ syscall.SYS_MLOCK: []seccomp.Rule{
+ {
+ seccomp.AllowAny{},
+ seccomp.AllowValue(4096),
+ },
+ },
syscall.SYS_MMAP: []seccomp.Rule{
{
seccomp.AllowAny{},