panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x60 pc=0x999919]

goroutine 286935 [running]:
panic({0xf39680, 0x1ba4260})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc0025f94e8 sp=0xc0025f9428 pc=0x4359f7
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc0025f9538 sp=0xc0025f94e8 pc=0x44c3f6
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(...)
	pkg/sentry/mm/lifecycle.go:246
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc001f9c400)
	pkg/sentry/kernel/task_usermem.go:353 +0x59 fp=0xc0025f9558 sp=0xc0025f9538 pc=0x999919
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc001f9c400, 0x44d7f2?, {0xc002845e44, 0x10, 0x90})
	pkg/sentry/kernel/task_usermem.go:361 +0x73 fp=0xc0025f95f8 sp=0xc0025f9558 pc=0x9999f3
gvisor.dev/gvisor/pkg/sentry/kernel.makeIovec({0x12ca9d8?, 0xc001f9c400?}, 0xc002845500, 0xc001391c28?, {0xc002845e44, 0x3efefbd92070?, 0x90})
	pkg/sentry/kernel/task_usermem.go:261 +0x46 fp=0xc0025f9630 sp=0xc0025f95f8 pc=0x9992a6
gvisor.dev/gvisor/pkg/sentry/kernel.copyInIovecs({0x12ca9d8, 0xc001f9c400}, 0xc002845500, 0x20003cc0, 0x2)
	pkg/sentry/kernel/task_usermem.go:231 +0x1ee fp=0xc0025f96d0 sp=0xc0025f9630 pc=0x99912e
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInIovecs(...)
	pkg/sentry/kernel/task_usermem.go:387
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc002845500, 0xc003697500, 0xc002e86ea0?, 0x0?, 0xc0025f9890?, 0xa0926a?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:162 +0x13f fp=0xc0025f97e0 sp=0xc0025f96d0 pc=0xc102bf
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x56396742ff88?, {{0x8b9}, {0x20003b00}, {0x4}, {0x20003cc0}, {0x2}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:155 +0x165 fp=0xc0025f9850 sp=0xc0025f97e0 pc=0xc100c5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMReadv(0xc002844a80?, {{0x8b9}, {0x20003b00}, {0x4}, {0x20003cc0}, {0x2}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:109 +0x38 fp=0xc0025f98a0 sp=0xc0025f9850 pc=0xc0fed8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002844a80, 0x136, {{0x8b9}, {0x20003b00}, {0x4}, {0x20003cc0}, {0x2}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc0025f9c90 sp=0xc0025f98a0 pc=0x995fd5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002844a80, 0xc001391ba0?, {{0x8b9}, {0x20003b00}, {0x4}, {0x20003cc0}, {0x2}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc0025f9cf0 sp=0xc0025f9c90 pc=0x99720a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0002ccfc0?, 0xc0025f9e38?, {{0x8b9}, {0x20003b00}, {0x4}, {0x20003cc0}, {0x2}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc0025f9d50 sp=0xc0025f9cf0 pc=0x996ee5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005b2db80?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc0025f9e48 sp=0xc0025f9d50 pc=0x996c50
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00056b880?, 0xc002844a80)
	pkg/sentry/kernel/task_run.go:253 +0xdea fp=0xc0025f9f60 sp=0xc0025f9e48 pc=0x98b02a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002844a80, 0x2286)
	pkg/sentry/kernel/task_run.go:94 +0x1ac fp=0xc0025f9fc0 sp=0xc0025f9f60 pc=0x989c2c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc0025f9fe0 sp=0xc0025f9fc0 pc=0x99482a
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0025f9fe8 sp=0xc0025f9fe0 pc=0x4694e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0xf9