panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xb7576a]

goroutine 19529 [running]:
panic({0x16ee920, 0x2544c50})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc0045e0f18 sp=0xc0045e0e58 pc=0x438317
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc0045e0f68 sp=0xc0045e0f18 pc=0x450556
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(0x0)
	pkg/sentry/mm/lifecycle.go:246 +0x2a fp=0xc0045e0f90 sp=0xc0045e0f68 pc=0xb7576a
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc002bfb8a0)
	pkg/sentry/kernel/task_usermem.go:353 +0xb5 fp=0xc0045e0fc8 sp=0xc0045e0f90 pc=0xd60475
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc002bfb8a0, 0x0?, {0xc0039033c4, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:361 +0x77 fp=0xc0045e10c0 sp=0xc0045e0fc8 pc=0xd60557
gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1bc8058, 0xc002bfb8a0}, 0xc003902a80, 0xc0045e1220?, {0xc0039033c4, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:261 +0xa4 fp=0xc0045e1178 sp=0xc0045e10c0 pc=0xd5f684
gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1bc8058, 0xc002bfb8a0}, 0xc003902a80, 0x20002500, 0xa)
	pkg/sentry/kernel/task_usermem.go:231 +0x27f fp=0xc0045e1258 sp=0xc0045e1178 pc=0xd5f37f
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(...)
	pkg/sentry/kernel/task_usermem.go:387
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc003902a80, 0xc002547500, 0x0?, 0x0?, 0x0?, 0x1?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:162 +0x2d3 fp=0xc0045e13f8 sp=0xc0045e1258 pc=0x1169933
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0xc003902000, {{0x2ad}, {0x20000ec0}, {0x8}, {0x20002500}, {0xa}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:155 +0x225 fp=0xc0045e1490 sp=0xc0045e13f8 pc=0x11694a5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMReadv(0xc003902000?, {{0x2ad}, {0x20000ec0}, {0x8}, {0x20002500}, {0xa}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:109 +0x56 fp=0xc0045e1508 sp=0xc0045e1490 pc=0x1169156
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003902000, 0x136, {{0x2ad}, {0x20000ec0}, {0x8}, {0x20002500}, {0xa}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9b8 fp=0xc0045e1a18 sp=0xc0045e1508 pc=0xd5a1f8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003902000, 0x0?, {{0x2ad}, {0x20000ec0}, {0x8}, {0x20002500}, {0xa}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc0045e1ab0 sp=0xc0045e1a18 pc=0xd5bf5d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001e471e0?, 0xc00745d950?, {{0x2ad}, {0x20000ec0}, {0x8}, {0x20002500}, {0xa}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc0045e1b28 sp=0xc0045e1ab0 pc=0xd5b94f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc003902000)
	pkg/sentry/kernel/task_syscall.go:257 +0x496 fp=0xc0045e1c50 sp=0xc0045e1b28 pc=0xd5b4f6
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc003902000?, 0xc003902000)
	pkg/sentry/kernel/task_run.go:253 +0x18f9 fp=0xc0045e1ec0 sp=0xc0045e1c50 pc=0xd46819
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003902000, 0xaca)
	pkg/sentry/kernel/task_run.go:94 +0x354 fp=0xc0045e1fb0 sp=0xc0045e1ec0 pc=0xd445b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x48 fp=0xc0045e1fe0 sp=0xc0045e1fb0 pc=0xd57de8
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0045e1fe8 sp=0xc0045e1fe0 pc=0x46df01
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x1a8