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

goroutine 825052 [running]:
panic({0x1040680, 0x1e6e780})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc006445688 sp=0xc0064455c8 pc=0x435837
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:220
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:818 +0x336 fp=0xc0064456d8 sp=0xc006445688 pc=0x44c236
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).IncUsers(0xc11e70a000?)
	pkg/sentry/mm/lifecycle.go:246 +0x19 fp=0xc0064456e0 sp=0xc0064456d8 pc=0x8d32f9
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).getMemoryManager(0xc0025a2180)
	pkg/sentry/kernel/task_usermem.go:353 +0x8f fp=0xc006445700 sp=0xc0064456e0 pc=0xa2ff6f
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskCopyContext).CopyInBytes(0xc0025a2180, 0x0?, {0xc09e70a000, 0x0, 0x7ffff000})
	pkg/sentry/kernel/task_usermem.go:361 +0x7d fp=0xc0064457a0 sp=0xc006445700 pc=0xa3005d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.doProcessVMReadWrite(0xc09dc2f500, 0xc09dc2f500, 0xc090612240?, 0x0?, 0xc006445948?, 0xaabfe5?)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:186 +0x449 fp=0xc006445898 sp=0xc0064457a0 pc=0xcf2f29
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.processVMRW(0x564067f97f88?, {{0x7711}, {0x20000340}, {0x1}, {0x20001640}, {0x2}, {0x0}}, 0x0)
	pkg/sentry/syscalls/linux/vfs2/mmap.go:155 +0x205 fp=0xc006445908 sp=0xc006445898 pc=0xcf29e5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.ProcessVMReadv(0xc006893500?, {{0x7711}, {0x20000340}, {0x1}, {0x20001640}, {0x2}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/mmap.go:109 +0x45 fp=0xc006445958 sp=0xc006445908 pc=0xcf2725
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006893500, 0x136, {{0x7711}, {0x20000340}, {0x1}, {0x20001640}, {0x2}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc006445c98 sp=0xc006445958 pc=0xa2b86b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006893500, 0x85?, {{0x7711}, {0x20000340}, {0x1}, {0x20001640}, {0x2}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc006445cf8 sp=0xc006445c98 pc=0xa2ce54
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x8bfd4f?, 0x3?, {{0x7711}, {0x20000340}, {0x1}, {0x20001640}, {0x2}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc006445d58 sp=0xc006445cf8 pc=0xa2ca45
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00185c5b0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc006445e50 sp=0xc006445d58 pc=0xa2c70c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc003b70880?, 0xc006893500)
	pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc006445f60 sp=0xc006445e50 pc=0xa1e4c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006893500, 0x7b39)
	pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc006445fc0 sp=0xc006445f60 pc=0xa1cd0c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc006445fe0 sp=0xc006445fc0 pc=0xa29d0a
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc006445fe8 sp=0xc006445fe0 pc=0x469321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x105