panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x60 pc=0x999fd9]

goroutine 10880 [running]:
panic({0xf39680, 0x1ba4260})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc000d7b4e8 sp=0xc000d7b428 pc=0x4359f7
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc000d7b538 sp=0xc000d7b4e8 pc=0x44c3f6
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(...)
	pkg/sentry/mm/lifecycle.go:246
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc0007acb60)
	pkg/sentry/kernel/task_usermem.go:353 +0x59 fp=0xc000d7b558 sp=0xc000d7b538 pc=0x999fd9
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc0007acb60, 0x44d7f2?, {0xc001a1c944, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:361 +0x73 fp=0xc000d7b5f8 sp=0xc000d7b558 pc=0x99a0b3
gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x12caa58?, 0xc0007acb60?}, 0xc001a1c000, 0xc0009c95a8?, {0xc001a1c944, 0x7f2f19d8f7b0?, 0x90})
	pkg/sentry/kernel/task_usermem.go:261 +0x46 fp=0xc000d7b630 sp=0xc000d7b5f8 pc=0x999966
gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x12caa58, 0xc0007acb60}, 0xc001a1c000, 0x20003cc0, 0x3)
	pkg/sentry/kernel/task_usermem.go:231 +0x1ee fp=0xc000d7b6d0 sp=0xc000d7b630 pc=0x9997ee
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(...)
	pkg/sentry/kernel/task_usermem.go:387
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc001a1c000, 0xc00194e000, 0xc000b4c9c0?, 0x0?, 0xc000d7b890?, 0xa0992a?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:162 +0x13f fp=0xc000d7b7e0 sp=0xc000d7b6d0 pc=0xc1093f
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x55ea0efd3f88?, {{0xe8}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:155 +0x165 fp=0xc000d7b850 sp=0xc000d7b7e0 pc=0xc10745
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMReadv(0xc00126aa80?, {{0xe8}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:109 +0x38 fp=0xc000d7b8a0 sp=0xc000d7b850 pc=0xc10558
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00126aa80, 0x136, {{0xe8}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc000d7bc90 sp=0xc000d7b8a0 pc=0x996695
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00126aa80, 0xc00182a2b8?, {{0xe8}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc000d7bcf0 sp=0xc000d7bc90 pc=0x9978ca
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x0?, 0xc0003a2700?, {{0xe8}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc000d7bd50 sp=0xc000d7bcf0 pc=0x9975a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000efe000?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc000d7be48 sp=0xc000d7bd50 pc=0x997310
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001818780?, 0xc00126aa80)
	pkg/sentry/kernel/task_run.go:253 +0xdea fp=0xc000d7bf60 sp=0xc000d7be48 pc=0x98b6ea
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00126aa80, 0x3cc)
	pkg/sentry/kernel/task_run.go:94 +0x1ac fp=0xc000d7bfc0 sp=0xc000d7bf60 pc=0x98a2ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc000d7bfe0 sp=0xc000d7bfc0 pc=0x994eea
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000d7bfe8 sp=0xc000d7bfe0 pc=0x4694e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0xf9