panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x60 pc=0x999919]

goroutine 4373248 [running]:
panic({0xf39680, 0x1ba4260})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc001a0b5c0 sp=0xc001a0b500 pc=0x4359f7
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc001a0b610 sp=0xc001a0b5c0 pc=0x44c3f6
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(...)
	pkg/sentry/mm/lifecycle.go:246
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc0467d85c0)
	pkg/sentry/kernel/task_usermem.go:353 +0x59 fp=0xc001a0b630 sp=0xc001a0b610 pc=0x999919
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc0467d85c0, 0xc0467d85e0?, {0xc0d3502000, 0x8f, 0x7fffed7d})
	pkg/sentry/kernel/task_usermem.go:361 +0x73 fp=0xc001a0b6d0 sp=0xc001a0b630 pc=0x9999f3
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc0473b8000, 0xc0473b8000, 0xc0474164e0?, 0x0?, 0xc009c8f890?, 0xa0926a?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:186 +0x3a9 fp=0xc001a0b7e0 sp=0xc001a0b6d0 pc=0xc10529
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x5592f3138f88?, {{0xe0f0}, {0x200000c0}, {0x7}, {0x20001bc0}, {0x8}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:155 +0x165 fp=0xc001a0b850 sp=0xc001a0b7e0 pc=0xc100c5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMReadv(0xc047418a80?, {{0xe0f0}, {0x200000c0}, {0x7}, {0x20001bc0}, {0x8}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:109 +0x38 fp=0xc001a0b8a0 sp=0xc001a0b850 pc=0xc0fed8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc047418a80, 0x136, {{0xe0f0}, {0x200000c0}, {0x7}, {0x20001bc0}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc001a0bc90 sp=0xc001a0b8a0 pc=0x995fd5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc047418a80, 0xc0468fe768?, {{0xe0f0}, {0x200000c0}, {0x7}, {0x20001bc0}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc001a0bcf0 sp=0xc001a0bc90 pc=0x99720a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x203011?, 0x0?, {{0xe0f0}, {0x200000c0}, {0x7}, {0x20001bc0}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc001a0bd50 sp=0xc001a0bcf0 pc=0x996ee5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc04740af70?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc001a0be48 sp=0xc001a0bd50 pc=0x996c50
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc046ff7600?, 0xc047418a80)
	pkg/sentry/kernel/task_run.go:253 +0xdea fp=0xc001a0bf60 sp=0xc001a0be48 pc=0x98b02a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc047418a80, 0x802b)
	pkg/sentry/kernel/task_run.go:94 +0x1ac fp=0xc001a0bfc0 sp=0xc001a0bf60 pc=0x989c2c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc001a0bfe0 sp=0xc001a0bfc0 pc=0x99482a
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc001a0bfe8 sp=0xc001a0bfe0 pc=0x4694e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0xf9