WARNING: DATA RACE Read at 0x00c0056ce94b by goroutine 305: encoding/binary.littleEndian.Uint64() GOROOT/src/encoding/binary/binary.go:77 +0xe4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.copyTimespecIn() pkg/sentry/syscalls/linux/timespec.go:36 +0xc7 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Futex() pkg/sentry/syscalls/linux/sys_futex.go:192 +0x53a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:142 +0x9b7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:322 +0x7c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:282 +0x8e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:257 +0x495 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:253 +0x18f8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:94 +0x353 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:378 +0x47 Previous write at 0x00c0056ce948 by goroutine 372: runtime.slicecopy() GOROOT/src/runtime/slice.go:295 +0x0 gvisor.dev/gvisor/pkg/safemem.Copy() pkg/safemem/block_unsafe.go:199 +0x39e gvisor.dev/gvisor/pkg/safemem.CopySeq() pkg/safemem/seq_unsafe.go:282 +0x22a gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyIn.func1() pkg/sentry/mm/io.go:164 +0xb7 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings() pkg/sentry/mm/io.go:562 +0x768 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CopyIn() pkg/sentry/mm/io.go:163 +0x279 gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes() pkg/sentry/kernel/task_usermem.go:378 +0x197 gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec() pkg/sentry/kernel/task_usermem.go:261 +0xa3 gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs() pkg/sentry/kernel/task_usermem.go:231 +0x27e gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs() pkg/sentry/kernel/task_usermem.go:411 +0xb3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite.func1() pkg/sentry/syscalls/linux/sys_process_vm.go:100 +0x88 gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).WithTaskMutexLocked() pkg/sentry/kernel/task_usermem.go:364 +0xc7 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite() pkg/sentry/syscalls/linux/sys_process_vm.go:167 +0x31e gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMRW() pkg/sentry/syscalls/linux/sys_process_vm.go:84 +0x226 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.ProcessVMWritev() pkg/sentry/syscalls/linux/sys_process_vm.go:42 +0x58 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:142 +0x9b7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:322 +0x7c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:282 +0x8e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:257 +0x495 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:253 +0x18f8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:94 +0x353 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:378 +0x47