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

goroutine 73118 [running]:
panic({0x1040680, 0x1e6e780})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc009b8d578 sp=0xc009b8d4b8 pc=0x435837
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc009b8d5c8 sp=0xc009b8d578 pc=0x44c236
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(0x838aa6?)
	pkg/sentry/mm/lifecycle.go:246 +0x19 fp=0xc009b8d5d0 sp=0xc009b8d5c8 pc=0x8d32f9
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc0072227c0)
	pkg/sentry/kernel/task_usermem.go:353 +0x8f fp=0xc009b8d5f0 sp=0xc009b8d5d0 pc=0xa2ff6f
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc0072227c0, 0x44d632?, {0xc00721be44, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:361 +0x7d fp=0xc009b8d690 sp=0xc009b8d5f0 pc=0xa3005d
gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x1404e38?, 0xc0072227c0?}, 0xc00721b500, 0x3fc1585f9eb0?, {0xc00721be44, 0xc009b8d768?, 0x90})
	pkg/sentry/kernel/task_usermem.go:261 +0x50 fp=0xc009b8d6c8 sp=0xc009b8d690 pc=0xa2f6f0
gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x1404e38, 0xc0072227c0}, 0xc00721b500, 0x20002600, 0x4)
	pkg/sentry/kernel/task_usermem.go:231 +0x286 fp=0xc009b8d768 sp=0xc009b8d6c8 pc=0xa2f526
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(0xc000e11ec0?, 0xc009b8d818?, 0x8349ef?)
	pkg/sentry/kernel/task_usermem.go:387 +0x3a fp=0xc009b8d7a0 sp=0xc009b8d768 pc=0xa3057a
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc00721b500, 0xc008311500, 0x0?, 0x555fa6182f88?, 0xc009b8d948?, 0xaac112?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:162 +0x153 fp=0xc009b8d898 sp=0xc009b8d7a0 pc=0xcf2c33
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x555fa6182f88?, {{0xd15}, {0x20002380}, {0x7}, {0x20002600}, {0x4}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:155 +0x205 fp=0xc009b8d908 sp=0xc009b8d898 pc=0xcf29e5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMReadv(0xc008311500?, {{0xd15}, {0x20002380}, {0x7}, {0x20002600}, {0x4}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:109 +0x45 fp=0xc009b8d958 sp=0xc009b8d908 pc=0xcf2725
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc008311500, 0x136, {{0xd15}, {0x20002380}, {0x7}, {0x20002600}, {0x4}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc009b8dc98 sp=0xc009b8d958 pc=0xa2b86b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc008311500, 0xc0029f2b60?, {{0xd15}, {0x20002380}, {0x7}, {0x20002600}, {0x4}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc009b8dcf8 sp=0xc009b8dc98 pc=0xa2ce54
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000342400?, 0xc009b8de40?, {{0xd15}, {0x20002380}, {0x7}, {0x20002600}, {0x4}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc009b8dd58 sp=0xc009b8dcf8 pc=0xa2ca45
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0012dfef0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc009b8de50 sp=0xc009b8dd58 pc=0xa2c70c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc005c26700?, 0xc008311500)
	pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc009b8df60 sp=0xc009b8de50 pc=0xa1e4c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc008311500, 0xd4a)
	pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc009b8dfc0 sp=0xc009b8df60 pc=0xa1cd0c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc009b8dfe0 sp=0xc009b8dfc0 pc=0xa29d0a
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc009b8dfe8 sp=0xc009b8dfe0 pc=0x469321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x105