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

goroutine 6312 [running]:
panic({0x1040680, 0x1e6e780})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc0009a3578 sp=0xc0009a34b8 pc=0x435837
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc0009a35c8 sp=0xc0009a3578 pc=0x44c236
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(0x8cfc26?)
	pkg/sentry/mm/lifecycle.go:246 +0x19 fp=0xc0009a35d0 sp=0xc0009a35c8 pc=0x8d32f9
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc000767260)
	pkg/sentry/kernel/task_usermem.go:353 +0x8f fp=0xc0009a35f0 sp=0xc0009a35d0 pc=0xa2ff6f
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc000767260, 0x44d632?, {0xc000b51e44, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:361 +0x7d fp=0xc0009a3690 sp=0xc0009a35f0 pc=0xa3005d
gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1404e38?, 0xc000767260?}, 0xc000b51500, 0xc0016eeba0?, {0xc000b51e44, 0xc0009a3768?, 0x90})
	pkg/sentry/kernel/task_usermem.go:261 +0x50 fp=0xc0009a36c8 sp=0xc0009a3690 pc=0xa2f6f0
gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1404e38, 0xc000767260}, 0xc000b51500, 0x20003cc0, 0x3)
	pkg/sentry/kernel/task_usermem.go:231 +0x286 fp=0xc0009a3768 sp=0xc0009a36c8 pc=0xa2f526
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(0x0?, 0x0?, 0xa08040?)
	pkg/sentry/kernel/task_usermem.go:387 +0x3a fp=0xc0009a37a0 sp=0xc0009a3768 pc=0xa3057a
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc000b51500, 0xc001818000, 0xc000b38b40?, 0x0?, 0xc0009a3948?, 0xaabfe5?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:162 +0x153 fp=0xc0009a3898 sp=0xc0009a37a0 pc=0xcf2c33
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x563d4c23bf88?, {{0x250}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:155 +0x205 fp=0xc0009a3908 sp=0xc0009a3898 pc=0xcf29e5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMReadv(0xc000b50a80?, {{0x250}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:109 +0x45 fp=0xc0009a3958 sp=0xc0009a3908 pc=0xcf2725
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000b50a80, 0x136, {{0x250}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc0009a3c98 sp=0xc0009a3958 pc=0xa2b86b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000b50a80, 0x85?, {{0x250}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc0009a3cf8 sp=0xc0009a3c98 pc=0xa2ce54
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x8bfd4f?, 0x0?, {{0x250}, {0x20000680}, {0x1}, {0x20003cc0}, {0x3}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0009a3d58 sp=0xc0009a3cf8 pc=0xa2ca45
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001f87380?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc0009a3e50 sp=0xc0009a3d58 pc=0xa2c70c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00079e980?, 0xc000b50a80)
	pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc0009a3f60 sp=0xc0009a3e50 pc=0xa1e4c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000b50a80, 0x269)
	pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc0009a3fc0 sp=0xc0009a3f60 pc=0xa1cd0c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc0009a3fe0 sp=0xc0009a3fc0 pc=0xa29d0a
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0009a3fe8 sp=0xc0009a3fe0 pc=0x469321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x105