panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x8d32f9]

goroutine 172228 [running]:
panic({0x1040680, 0x1e6e7a0})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc0006e9688 sp=0xc0006e95c8 pc=0x435837
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc0006e96d8 sp=0xc0006e9688 pc=0x44c236
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(0x140f5f0?)
	pkg/sentry/mm/lifecycle.go:246 +0x19 fp=0xc0006e96e0 sp=0xc0006e96d8 pc=0x8d32f9
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc0059a9e60)
	pkg/sentry/kernel/task_usermem.go:353 +0x8f fp=0xc0006e9700 sp=0xc0006e96e0 pc=0xa2f84f
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyOutBytes(0xc0059a9e60, 0x0?, {0xc00b800000, 0x0, 0x2000262e})
	pkg/sentry/kernel/task_usermem.go:371 +0x7d fp=0xc0006e97a0 sp=0xc0006e9700 pc=0xa2fb9d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc006a09500, 0xc006d5aa80, 0xc006b2acc0?, 0x0?, 0xc0006e9948?, 0xaab8c5?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:202 +0x745 fp=0xc0006e9898 sp=0xc0006e97a0 pc=0xcf2b65
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x555781f24f88?, {{0x1b8d}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}}, 0x1)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:152 +0x1cf fp=0xc0006e9908 sp=0xc0006e9898 pc=0xcf22ef
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMWritev(0xc006e61500?, {{0x1b8d}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:114 +0x45 fp=0xc0006e9958 sp=0xc0006e9908 pc=0xcf20e5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006e61500, 0x137, {{0x1b8d}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc0006e9c98 sp=0xc0006e9958 pc=0xa2b14b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006e61500, 0x85?, {{0x1b8d}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc0006e9cf8 sp=0xc0006e9c98 pc=0xa2c734
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0006e9da0?, 0x9e1546?, {{0x1b8d}, {0x200026c0}, {0xae}, {0x200029c0}, {0xf}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0006e9d58 sp=0xc0006e9cf8 pc=0xa2c325
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0026cc270?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc0006e9e50 sp=0xc0006e9d58 pc=0xa2bfec
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc005ffdd80?, 0xc006e61500)
	pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc0006e9f60 sp=0xc0006e9e50 pc=0xa1dda5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006e61500, 0x1bb7)
	pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc0006e9fc0 sp=0xc0006e9f60 pc=0xa1c5ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc0006e9fe0 sp=0xc0006e9fc0 pc=0xa295ea
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0006e9fe8 sp=0xc0006e9fe0 pc=0x469321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x105