panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x979e84] goroutine 657089 [running]: panic({0xfdd080, 0x1d648d0}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc004f735d8 sp=0xc004f73518 pc=0x4358b7 runtime.panicmem(...) GOROOT/src/runtime/panic.go:220 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc004f73628 sp=0xc004f735d8 pc=0x44c376 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).CheckIORange(...) pkg/sentry/mm/io.go:71 gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1376d80?, 0xc0001df280?}, 0xc0057b8a80, 0xffffffffffffffff?, {0xc0057b93c4, 0x2?, 0x90}) pkg/sentry/kernel/task_usermem.go:270 +0x104 fp=0xc004f73660 sp=0xc004f73628 pc=0x979e84 gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1376d80, 0xc0001df280}, 0xc0057b8a80, 0x200002c0, 0x29d) pkg/sentry/kernel/task_usermem.go:231 +0x286 fp=0xc004f73700 sp=0xc004f73660 pc=0x979c06 gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(0xc0001df2a0?, 0x1381690?, 0xc004f737f8?) pkg/sentry/kernel/task_usermem.go:411 +0x3a fp=0xc004f73738 sp=0xc004f73700 pc=0x97adba gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite.func1() pkg/sentry/syscalls/linux/sys_process_vm.go:100 +0x73 fp=0xc004f73820 sp=0xc004f73738 pc=0xacd673 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.doProcessVMReadWrite(0xc0057b8a80, 0xc008814000, 0x200002c0, 0x20001580, 0x29d, 0x1, 0x0) pkg/sentry/syscalls/linux/sys_process_vm.go:174 +0x1f8 fp=0xc004f73890 sp=0xc004f73820 pc=0xacd558 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.processVMRW(0x55a4e1f80128?, {{0xb26}, {0x200002c0}, {0x29d}, {0x20001580}, {0x1}, {0x0}}, 0x1) pkg/sentry/syscalls/linux/sys_process_vm.go:84 +0x21c fp=0xc004f73908 sp=0xc004f73890 pc=0xacd27c gvisor.dev/gvisor/pkg/sentry/syscalls/linux.ProcessVMWritev(0xc00b69b500?, {{0xb26}, {0x200002c0}, {0x29d}, {0x20001580}, {0x1}, {0x0}}) pkg/sentry/syscalls/linux/sys_process_vm.go:42 +0x45 fp=0xc004f73958 sp=0xc004f73908 pc=0xacd025 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00b69b500, 0x137, {{0xb26}, {0x200002c0}, {0x29d}, {0x20001580}, {0x1}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc004f73c98 sp=0xc004f73958 pc=0x975f4b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00b69b500, 0x85?, {{0xb26}, {0x200002c0}, {0x29d}, {0x20001580}, {0x1}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc004f73cf8 sp=0xc004f73c98 pc=0x977534 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x80f84f?, 0x2?, {{0xb26}, {0x200002c0}, {0x29d}, {0x20001580}, {0x1}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc004f73d58 sp=0xc004f73cf8 pc=0x977125 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00c63c1a0?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc004f73e50 sp=0xc004f73d58 pc=0x976dec gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc010516200?, 0xc00b69b500) pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc004f73f60 sp=0xc004f73e50 pc=0x968d05 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00b69b500, 0x53c5) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc004f73fc0 sp=0xc004f73f60 pc=0x96754c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:378 +0x2a fp=0xc004f73fe0 sp=0xc004f73fc0 pc=0x9743ea runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc004f73fe8 sp=0xc004f73fe0 pc=0x4695c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:378 +0x105