panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0xa03424] goroutine 1970 [running]: panic({0x103dea0, 0x1e4baf0}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc00158f5d8 sp=0xc00158f518 pc=0x4358b7 runtime.panicmem(...) GOROOT/src/runtime/panic.go:220 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc00158f628 sp=0xc00158f5d8 pc=0x44c376 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CheckIORange(...) pkg/sentry/mm/io.go:71 gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x13f45f8?, 0xc000aaec40?}, 0xc000f88a80, 0xc0019c7860?, {0xc000f893c4, 0x891b25?, 0x90}) pkg/sentry/kernel/task_usermem.go:270 +0x104 fp=0xc00158f660 sp=0xc00158f628 pc=0xa03424 gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x13f45f8, 0xc000aaec40}, 0xc000f88a80, 0x20000240, 0x3) pkg/sentry/kernel/task_usermem.go:231 +0x286 fp=0xc00158f700 sp=0xc00158f660 pc=0xa031a6 gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(0xc000aaec40?, 0x897e45?, 0xc000708020?) pkg/sentry/kernel/task_usermem.go:411 +0x3a fp=0xc00158f738 sp=0xc00158f700 pc=0xa0435a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite.func1() pkg/sentry/syscalls/linux/sys_process_vm.go:104 +0xa6 fp=0xc00158f820 sp=0xc00158f738 pc=0xb60b86 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite(0xc000f88000, 0xc000f88a80, 0x20000080, 0x20000240, 0x1, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_process_vm.go:174 +0x1f8 fp=0xc00158f890 sp=0xc00158f820 pc=0xb60a38 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMRW(0x0?, {{0x164}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}, 0x1) pkg/sentry/syscalls/linux/sys_process_vm.go:84 +0x21c fp=0xc00158f908 sp=0xc00158f890 pc=0xb6075c gvisor.dev/gvisor/pkg/sentry/syscalls/linux.ProcessVMWritev(0x0?, {{0x164}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}) pkg/sentry/syscalls/linux/sys_process_vm.go:42 +0x45 fp=0xc00158f958 sp=0xc00158f908 pc=0xb60505 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001a31500, 0x137, {{0x164}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc00158fc98 sp=0xc00158f958 pc=0x9ff4eb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001a31500, 0x85?, {{0x164}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc00158fcf8 sp=0xc00158fc98 pc=0xa00ad4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x89150f?, 0x0?, {{0x164}, {0x20000080}, {0x1}, {0x20000240}, {0x3}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc00158fd58 sp=0xc00158fcf8 pc=0xa006c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000907110?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc00158fe50 sp=0xc00158fd58 pc=0xa0038c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00192c700?, 0xc001a31500) pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc00158ff60 sp=0xc00158fe50 pc=0x9f22a5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001a31500, 0x163) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc00158ffc0 sp=0xc00158ff60 pc=0x9f0aec gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:378 +0x2a fp=0xc00158ffe0 sp=0xc00158ffc0 pc=0x9fd98a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc00158ffe8 sp=0xc00158ffe0 pc=0x4695c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:378 +0x105