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

goroutine 1198932 [running]:
panic({0x1040680, 0x1e6e7a0})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc000d4f578 sp=0xc000d4f4b8 pc=0x435837
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc000d4f5c8 sp=0xc000d4f578 pc=0x44c236
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(0x140f5f0?)
	pkg/sentry/mm/lifecycle.go:246 +0x19 fp=0xc000d4f5d0 sp=0xc000d4f5c8 pc=0x8d32f9
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc007852420)
	pkg/sentry/kernel/task_usermem.go:353 +0x8f fp=0xc000d4f5f0 sp=0xc000d4f5d0 pc=0xa2f84f
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc007852420, 0x44d632?, {0xc007e3e944, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:361 +0x7d fp=0xc000d4f690 sp=0xc000d4f5f0 pc=0xa2f93d
gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1404d78?, 0xc007852420?}, 0xc007e3e000, 0xc007870000?, {0xc007e3e944, 0xc000d4f768?, 0x90})
	pkg/sentry/kernel/task_usermem.go:261 +0x50 fp=0xc000d4f6c8 sp=0xc000d4f690 pc=0xa2efd0
gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1404d78, 0xc007852420}, 0xc007e3e000, 0x20000480, 0x2)
	pkg/sentry/kernel/task_usermem.go:231 +0x286 fp=0xc000d4f768 sp=0xc000d4f6c8 pc=0xa2ee06
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(0xc00470e000?, 0xc000000000?, 0x8349ef?)
	pkg/sentry/kernel/task_usermem.go:387 +0x3a fp=0xc000d4f7a0 sp=0xc000d4f768 pc=0xa2fe5a
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc00564f500, 0xc007e3e000, 0x7f64b2cdf000?, 0x0?, 0xc000d4f8f4?, 0xc000d4f8f8?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:166 +0x190 fp=0xc000d4f898 sp=0xc000d4f7a0 pc=0xcf25b0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x0?, {{0x96e7}, {0x200002c0}, {0x2}, {0x20000480}, {0x2}, {0x0}}, 0x1)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:152 +0x1cf fp=0xc000d4f908 sp=0xc000d4f898 pc=0xcf22ef
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMWritev(0x0?, {{0x96e7}, {0x200002c0}, {0x2}, {0x20000480}, {0x2}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:114 +0x45 fp=0xc000d4f958 sp=0xc000d4f908 pc=0xcf20e5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00470e000, 0x137, {{0x96e7}, {0x200002c0}, {0x2}, {0x20000480}, {0x2}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc000d4fc98 sp=0xc000d4f958 pc=0xa2b14b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00470e000, 0x85?, {{0x96e7}, {0x200002c0}, {0x2}, {0x20000480}, {0x2}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc000d4fcf8 sp=0xc000d4fc98 pc=0xa2c734
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x8bfd4f?, 0x0?, {{0x96e7}, {0x200002c0}, {0x2}, {0x20000480}, {0x2}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc000d4fd58 sp=0xc000d4fcf8 pc=0xa2c325
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0082fbba0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc000d4fe50 sp=0xc000d4fd58 pc=0xa2bfec
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00779c680?, 0xc00470e000)
	pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc000d4ff60 sp=0xc000d4fe50 pc=0xa1dda5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00470e000, 0x9712)
	pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc000d4ffc0 sp=0xc000d4ff60 pc=0xa1c5ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc000d4ffe0 sp=0xc000d4ffc0 pc=0xa295ea
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000d4ffe8 sp=0xc000d4ffe0 pc=0x469321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x105