panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xbda26e]

goroutine 439664 [running]:
panic({0x182c3a0, 0x258fc50})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc000aacf70 sp=0xc000aaceb0 pc=0x438317
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc000aacfc0 sp=0xc000aacf70 pc=0x450556
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(0x0)
	pkg/sentry/mm/lifecycle.go:246 +0x4e fp=0xc000aacff0 sp=0xc000aacfc0 pc=0xbda26e
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc002010280)
	pkg/sentry/kernel/task_usermem.go:353 +0xe6 fp=0xc000aad030 sp=0xc000aacff0 pc=0xdfd206
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc002010280, 0x2612088?, {0xc0063fa944, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:361 +0x88 fp=0xc000aad138 sp=0xc000aad030 pc=0xdfd328
gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1bf3678, 0xc002010280}, 0xc0063fa000, 0x0?, {0xc0063fa944, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:261 +0xb5 fp=0xc000aad1e8 sp=0xc000aad138 pc=0xdfc295
gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1bf3678, 0xc002010280}, 0xc002010280?, 0x20000880, 0x1)
	pkg/sentry/kernel/task_usermem.go:231 +0x3aa fp=0xc000aad2e8 sp=0xc000aad1e8 pc=0xdfbe4a
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(0xc002010280, 0xc000528070?, 0x5?)
	pkg/sentry/kernel/task_usermem.go:387 +0x74 fp=0xc000aad350 sp=0xc000aad2e8 pc=0xdfdb74
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc002ad3500, 0xc0063fa000, 0x0?, 0x0?, 0x0?, 0x0?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:166 +0x334 fp=0xc000aad488 sp=0xc000aad350 pc=0x12753f4
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0xc004b92000, {{0x2887}, {0x20000240}, {0x1}, {0x20000880}, {0x1}, {0x0}}, 0x1)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:152 +0x2ff fp=0xc000aad538 sp=0xc000aad488 pc=0x1274e1f
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMWritev(0x44a225?, {{0x2887}, {0x20000240}, {0x1}, {0x20000880}, {0x1}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:114 +0x6a fp=0xc000aad5b0 sp=0xc000aad538 pc=0x1274aca
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004b92000, 0x137, {{0x2887}, {0x20000240}, {0x1}, {0x20000880}, {0x1}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0xab8 fp=0xc000aad9f8 sp=0xc000aad5b0 pc=0xdf5d98
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004b92000, 0x1?, {{0x2887}, {0x20000240}, {0x1}, {0x20000880}, {0x1}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc000aada98 sp=0xc000aad9f8 pc=0xdf7f2e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007e29770?, 0x46fb2c?, {{0x2887}, {0x20000240}, {0x1}, {0x20000880}, {0x1}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc000aadb10 sp=0xc000aada98 pc=0xdf7805
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004b92000)
	pkg/sentry/kernel/task_syscall.go:257 +0x53b fp=0xc000aadc38 sp=0xc000aadb10 pc=0xdf72fb
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc004b92000?, 0xc004b92000)
	pkg/sentry/kernel/task_run.go:253 +0x1e2b fp=0xc000aadec0 sp=0xc000aadc38 pc=0xde052b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004b92000, 0x28a4)
	pkg/sentry/kernel/task_run.go:94 +0x2c2 fp=0xc000aadfb0 sp=0xc000aadec0 pc=0xdddd42
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x48 fp=0xc000aadfe0 sp=0xc000aadfb0 pc=0xdf34a8
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000aadfe8 sp=0xc000aadfe0 pc=0x46df01
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x1d0