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

goroutine 8001 [running]:
panic({0x1040680, 0x1e6e7a0})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc001b93578 sp=0xc001b934b8 pc=0x435837
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc001b935c8 sp=0xc001b93578 pc=0x44c236
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(0x140f5f0?)
	pkg/sentry/mm/lifecycle.go:246 +0x19 fp=0xc001b935d0 sp=0xc001b935c8 pc=0x8d32f9
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc0006849c0)
	pkg/sentry/kernel/task_usermem.go:353 +0x8f fp=0xc001b935f0 sp=0xc001b935d0 pc=0xa2f84f
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc0006849c0, 0x44d632?, {0xc001a0d3c4, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:361 +0x7d fp=0xc001b93690 sp=0xc001b935f0 pc=0xa2f93d
gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1404d78?, 0xc0006849c0?}, 0xc001a0ca80, 0xc001771c20?, {0xc001a0d3c4, 0xc001b93768?, 0x90})
	pkg/sentry/kernel/task_usermem.go:261 +0x50 fp=0xc001b936c8 sp=0xc001b93690 pc=0xa2efd0
gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1404d78, 0xc0006849c0}, 0xc001a0ca80, 0x20000980, 0x8)
	pkg/sentry/kernel/task_usermem.go:231 +0x286 fp=0xc001b93768 sp=0xc001b936c8 pc=0xa2ee06
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(0x0?, 0x0?, 0xa07920?)
	pkg/sentry/kernel/task_usermem.go:387 +0x3a fp=0xc001b937a0 sp=0xc001b93768 pc=0xa2fe5a
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc001a5b500, 0xc001a0ca80, 0xc000ea99e0?, 0x0?, 0xc001b93948?, 0xaab8c5?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:166 +0x190 fp=0xc001b93898 sp=0xc001b937a0 pc=0xcf25b0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x55e2b081bf88?, {{0xfc}, {0x200002c0}, {0x5}, {0x20000980}, {0x8}, {0x0}}, 0x1)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:152 +0x1cf fp=0xc001b93908 sp=0xc001b93898 pc=0xcf22ef
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMWritev(0xc001b18a80?, {{0xfc}, {0x200002c0}, {0x5}, {0x20000980}, {0x8}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:114 +0x45 fp=0xc001b93958 sp=0xc001b93908 pc=0xcf20e5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001b18a80, 0x137, {{0xfc}, {0x200002c0}, {0x5}, {0x20000980}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc001b93c98 sp=0xc001b93958 pc=0xa2b14b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001b18a80, 0xc0011e56c0?, {{0xfc}, {0x200002c0}, {0x5}, {0x20000980}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc001b93cf8 sp=0xc001b93c98 pc=0xa2c734
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000358400?, 0xc001b93e40?, {{0xfc}, {0x200002c0}, {0x5}, {0x20000980}, {0x8}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc001b93d58 sp=0xc001b93cf8 pc=0xa2c325
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0007c6fd0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc001b93e50 sp=0xc001b93d58 pc=0xa2bfec
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001b86b00?, 0xc001b18a80)
	pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc001b93f60 sp=0xc001b93e50 pc=0xa1dda5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001b18a80, 0x133)
	pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc001b93fc0 sp=0xc001b93f60 pc=0xa1c5ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc001b93fe0 sp=0xc001b93fc0 pc=0xa295ea
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc001b93fe8 sp=0xc001b93fe0 pc=0x469321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x105