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

goroutine 525814 [running]:
panic({0x1040680, 0x1e6e7a0})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc000bfb578 sp=0xc000bfb4b8 pc=0x435837
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc000bfb5c8 sp=0xc000bfb578 pc=0x44c236
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(0x8cfde5?)
	pkg/sentry/mm/lifecycle.go:246 +0x19 fp=0xc000bfb5d0 sp=0xc000bfb5c8 pc=0x8d32f9
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc00873d320)
	pkg/sentry/kernel/task_usermem.go:353 +0x8f fp=0xc000bfb5f0 sp=0xc000bfb5d0 pc=0xa2f84f
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc00873d320, 0x44d632?, {0xc005a57e44, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:361 +0x7d fp=0xc000bfb690 sp=0xc000bfb5f0 pc=0xa2f93d
gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1404d78?, 0xc00873d320?}, 0xc005a57500, 0xc0066d9920?, {0xc005a57e44, 0xc000bfb768?, 0x90})
	pkg/sentry/kernel/task_usermem.go:261 +0x50 fp=0xc000bfb6c8 sp=0xc000bfb690 pc=0xa2efd0
gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1404d78, 0xc00873d320}, 0xc005a57500, 0x20002780, 0x3)
	pkg/sentry/kernel/task_usermem.go:231 +0x286 fp=0xc000bfb768 sp=0xc000bfb6c8 pc=0xa2ee06
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(0x0?, 0x0?, 0xa07920?)
	pkg/sentry/kernel/task_usermem.go:387 +0x3a fp=0xc000bfb7a0 sp=0xc000bfb768 pc=0xa2fe5a
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc005a57500, 0xc005a56000, 0xc002f68ea0?, 0x0?, 0xc000bfb948?, 0xaab8c5?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:162 +0x153 fp=0xc000bfb898 sp=0xc000bfb7a0 pc=0xcf2573
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x5622e597ff88?, {{0x499f}, {0x20002600}, {0x8}, {0x20002780}, {0x3}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:155 +0x205 fp=0xc000bfb908 sp=0xc000bfb898 pc=0xcf2325
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMReadv(0xc009d7c000?, {{0x499f}, {0x20002600}, {0x8}, {0x20002780}, {0x3}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:109 +0x45 fp=0xc000bfb958 sp=0xc000bfb908 pc=0xcf2065
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc009d7c000, 0x136, {{0x499f}, {0x20002600}, {0x8}, {0x20002780}, {0x3}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc000bfbc98 sp=0xc000bfb958 pc=0xa2b14b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc009d7c000, 0x85?, {{0x499f}, {0x20002600}, {0x8}, {0x20002780}, {0x3}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc000bfbcf8 sp=0xc000bfbc98 pc=0xa2c734
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000bfbda0?, 0x9e1546?, {{0x499f}, {0x20002600}, {0x8}, {0x20002780}, {0x3}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc000bfbd58 sp=0xc000bfbcf8 pc=0xa2c325
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0004704e0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc000bfbe50 sp=0xc000bfbd58 pc=0xa2bfec
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0020fc500?, 0xc009d7c000)
	pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc000bfbf60 sp=0xc000bfbe50 pc=0xa1dda5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc009d7c000, 0x49c9)
	pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc000bfbfc0 sp=0xc000bfbf60 pc=0xa1c5ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc000bfbfe0 sp=0xc000bfbfc0 pc=0xa295ea
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000bfbfe8 sp=0xc000bfbfe0 pc=0x469321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x105