WARNING: DATA RACE Read at 0x00c0014d7e4b by goroutine 173: encoding/binary.littleEndian.Uint64() GOROOT/src/encoding/binary/binary.go:77 +0x12c gvisor.dev/gvisor/pkg/sentry/syscalls/linux.copyTimespecIn() pkg/sentry/syscalls/linux/timespec.go:36 +0xf0 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Futex() pkg/sentry/syscalls/linux/sys_futex.go:192 +0x712 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:142 +0xab7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:322 +0x8d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:282 +0xc4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:257 +0x53a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:253 +0x1e2a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:94 +0x2c1 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:378 +0x47 Previous write at 0x00c0014d7e48 by goroutine 238: runtime.slicecopy() GOROOT/src/runtime/slice.go:295 +0x0 gvisor.dev/gvisor/pkg/safemem.Copy() pkg/safemem/block_unsafe.go:199 +0x4b9 gvisor.dev/gvisor/pkg/safemem.CopySeq() pkg/safemem/seq_unsafe.go:282 +0x277 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyIn.func1() pkg/sentry/mm/io.go:164 +0xca gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings() pkg/sentry/mm/io.go:522 +0x812 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyIn() pkg/sentry/mm/io.go:163 +0x2c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes() pkg/sentry/kernel/task_usermem.go:378 +0x1ad gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec() pkg/sentry/kernel/task_usermem.go:261 +0xb4 gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs() pkg/sentry/kernel/task_usermem.go:231 +0x3a9 gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs() pkg/sentry/kernel/task_usermem.go:411 +0x73 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite.func1() pkg/sentry/syscalls/linux/sys_process_vm.go:100 +0xa5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite() pkg/sentry/syscalls/linux/sys_process_vm.go:174 +0x3aa gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMRW() pkg/sentry/syscalls/linux/sys_process_vm.go:84 +0x3b8 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.ProcessVMWritev() pkg/sentry/syscalls/linux/sys_process_vm.go:42 +0x69 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:142 +0xab7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:322 +0x8d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:282 +0xc4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:257 +0x53a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:253 +0x1e2a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:94 +0x2c1 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:378 +0x47