panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x97582d] goroutine 12607 [running]: panic({0xf42e80, 0x1b9ebf0}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc006471540 sp=0xc006471480 pc=0x435a77 runtime.panicmem(...) GOROOT/src/runtime/panic.go:220 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc006471590 sp=0xc006471540 pc=0x44c536 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CheckIORange(...) pkg/sentry/mm/io.go:71 gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x12c9078?, 0xc00017fa20?}, 0xc00746c000, 0xffffffffffffffff?, {0xc00746c944, 0xb0?, 0x90}) pkg/sentry/kernel/task_usermem.go:270 +0xad fp=0xc0064715c8 sp=0xc006471590 pc=0x97582d gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x12c9078, 0xc00017fa20}, 0xc00746c000, 0x20000240, 0x3) pkg/sentry/kernel/task_usermem.go:231 +0x1ee fp=0xc006471668 sp=0xc0064715c8 pc=0x97564e gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(...) pkg/sentry/kernel/task_usermem.go:411 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite.func1() pkg/sentry/syscalls/linux/sys_process_vm.go:104 +0xad fp=0xc006471768 sp=0xc006471668 pc=0xaa5ded gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite(0xc0073f2000, 0xc00746c000, 0x20000080, 0x20000240, 0x1, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_process_vm.go:174 +0x1ae fp=0xc0064717d8 sp=0xc006471768 pc=0xaa5cae gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMRW(0x84159?, {{0x871}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}, 0x1) pkg/sentry/syscalls/linux/sys_process_vm.go:84 +0x167 fp=0xc006471850 sp=0xc0064717d8 pc=0xaa5a67 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.ProcessVMWritev(0x1?, {{0x871}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}) pkg/sentry/syscalls/linux/sys_process_vm.go:42 +0x3b fp=0xc0064718a0 sp=0xc006471850 pc=0xaa58db gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0073f2000, 0x137, {{0x871}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc006471c90 sp=0xc0064718a0 pc=0x9724f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0073f2000, 0xc006144a38?, {{0x871}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc006471cf0 sp=0xc006471c90 pc=0x97372a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x0?, 0xc000522000?, {{0x871}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc006471d50 sp=0xc006471cf0 pc=0x973405 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0051ebad0?) pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc006471e48 sp=0xc006471d50 pc=0x973170 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc006b44c80?, 0xc0073f2000) pkg/sentry/kernel/task_run.go:253 +0xdea fp=0xc006471f60 sp=0xc006471e48 pc=0x96770a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0073f2000, 0x870) pkg/sentry/kernel/task_run.go:94 +0x1ac fp=0xc006471fc0 sp=0xc006471f60 pc=0x96630c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:378 +0x2a fp=0xc006471fe0 sp=0xc006471fc0 pc=0x970d4a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc006471fe8 sp=0xc006471fe0 pc=0x469781 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:378 +0xf9