panic: runtime error: invalid memory address or nil pointer dereference
	panic: nested locking: kernfs.filesystemRWMutex:
goroutine 39744 [running]:
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).Lock(0xc0004ca9b0)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:31 +0x45
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).DecRef(0xc00410aa20, {0x84d3c0, 0xc004966000})
	pkg/sentry/fsimpl/kernfs/kernfs.go:294 +0xdc
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).processDeferredDecRefs(0xc0004ca960, {0x84d3c0?, 0xc004966000})
	pkg/sentry/fsimpl/kernfs/kernfs.go:181 +0x1e5
panic({0x322f40, 0x2800340})
	GOROOT/src/runtime/panic.go:890 +0x263
gvisor.dev/gvisor/pkg/sentry/inet.(*Namespace).GetInode(...)
	pkg/sentry/inet/namespace.go:70
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*namespaceSymlink).getInode(...)
	pkg/sentry/fsimpl/proc/task_files.go:1276
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*namespaceSymlink).Getlink(0xc004780a80, {0x84d3c0, 0xc004966000}, 0xc000289c80)
	pkg/sentry/fsimpl/proc/task_files.go:1306 +0x184
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0x131f4b9?, {0x84d3c0, 0xc004966000}, 0xc003dd5200, 0xc00410a990)
	pkg/sentry/fsimpl/kernfs/filesystem.go:85 +0x5a3
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc0004ca9b0?, {0x84d3c0, 0xc004966000}, 0xc003dd5200)
	pkg/sentry/fsimpl/kernfs/filesystem.go:163 +0xdf
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc0004ca960, {0x84d3c0, 0xc004966000}, 0xc003dd5200, {0x8002, 0x0, 0x0})
	pkg/sentry/fsimpl/kernfs/filesystem.go:486 +0x1c5
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc003618240?, {0x84d3c0, 0xc004966000}, 0xc0001ea400?, 0xc00070f370, 0xc00070f268)
	pkg/sentry/vfs/vfs.go:460 +0x517
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc004966000, 0x1?, 0x1349ba5?, 0x2, 0x0)
	pkg/sentry/syscalls/linux/sys_file.go:112 +0x2b2
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0x1320515?, 0x271a840?, {{0xffffff9c}, {0x7ea99d9ff030}, {0x2}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:91 +0x45
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004966000, 0x101, {{0xffffff9c}, {0x7ea99d9ff030}, {0x2}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9c2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004966000, 0x1357d1a?, {{0xffffff9c}, {0x7ea99d9ff030}, {0x2}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x0?, 0x0?, {{0xffffff9c}, {0x7ea99d9ff030}, {0x2}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004966000)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc004966000?, 0xc004966000)
	pkg/sentry/kernel/task_run.go:269 +0x1d4b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004966000, 0x7ef)
	pkg/sentry/kernel/task_run.go:98 +0x41b
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:389 +0x1ad