panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0xa03424] goroutine 355537 [running]: panic({0x103dea0, 0x1e4baf0}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc000e295d8 sp=0xc000e29518 pc=0x4358b7 runtime.panicmem(...) GOROOT/src/runtime/panic.go:220 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc000e29628 sp=0xc000e295d8 pc=0x44c376 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CheckIORange(...) pkg/sentry/mm/io.go:71 gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x13f45f8?, 0xc006b00180?}, 0xc0039aea80, 0xffffffffffffffff?, {0xc0039af3c4, 0x2?, 0x90}) pkg/sentry/kernel/task_usermem.go:270 +0x104 fp=0xc000e29660 sp=0xc000e29628 pc=0xa03424 gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x13f45f8, 0xc006b00180}, 0xc0039aea80, 0x200026c0, 0xae) pkg/sentry/kernel/task_usermem.go:231 +0x286 fp=0xc000e29700 sp=0xc000e29660 pc=0xa031a6 gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(0xc006b001a0?, 0x13ff1f0?, 0xc000e297f8?) pkg/sentry/kernel/task_usermem.go:411 +0x3a fp=0xc000e29738 sp=0xc000e29700 pc=0xa0435a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite.func1() pkg/sentry/syscalls/linux/sys_process_vm.go:100 +0x73 fp=0xc000e29820 sp=0xc000e29738 pc=0xb60b53 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite(0xc0039aea80, 0xc004c09500, 0x200026c0, 0x200029c0, 0xae, 0xf, 0x0) pkg/sentry/syscalls/linux/sys_process_vm.go:174 +0x1f8 fp=0xc000e29890 sp=0xc000e29820 pc=0xb60a38 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMRW(0x0?, {{0x3499}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}}, 0x1) pkg/sentry/syscalls/linux/sys_process_vm.go:84 +0x21c fp=0xc000e29908 sp=0xc000e29890 pc=0xb6075c gvisor.dev/gvisor/pkg/sentry/syscalls/linux.ProcessVMWritev(0x0?, {{0x3499}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}}) pkg/sentry/syscalls/linux/sys_process_vm.go:42 +0x45 fp=0xc000e29958 sp=0xc000e29908 pc=0xb60505 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002864a80, 0x137, {{0x3499}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc000e29c98 sp=0xc000e29958 pc=0x9ff4eb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002864a80, 0x85?, {{0x3499}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc000e29cf8 sp=0xc000e29c98 pc=0xa00ad4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x89150f?, 0x3?, {{0x3499}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc000e29d58 sp=0xc000e29cf8 pc=0xa006c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc015b64410?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc000e29e50 sp=0xc000e29d58 pc=0xa0038c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0099d1180?, 0xc002864a80) pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc000e29f60 sp=0xc000e29e50 pc=0x9f22a5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002864a80, 0x34c1) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc000e29fc0 sp=0xc000e29f60 pc=0x9f0aec gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:378 +0x2a fp=0xc000e29fe0 sp=0xc000e29fc0 pc=0x9fd98a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000e29fe8 sp=0xc000e29fe0 pc=0x4695c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:378 +0x105