panic: nested locking: tmpfs.filesystemRWMutex: goroutine 21001 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc003640618) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x4d gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).StatFSAt(0xc0036405b0, {0x2061720, 0xc0028a7208}, 0xc001c36488) pkg/sentry/fsimpl/tmpfs/filesystem.go:773 +0xab gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).StatFSAt(0xc0001fd1e0, {0x2061720, 0xc0028a7208}, 0xc001b38360, 0xc002703608) pkg/sentry/vfs/vfs.go:664 +0x182 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Statfs(0xc0028a7208, 0x0?, {{0x20000040}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_stat.go:256 +0x307 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0028a7208, 0x89, {{0x20000040}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0xb9f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0028a7208, 0x89, {{0x20000040}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0028a7208, 0x89, {{0x20000040}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0xc7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0028a7208) pkg/sentry/kernel/task_syscall.go:258 +0x54a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0028a7208?, 0xc0028a7208) pkg/sentry/kernel/task_run.go:269 +0x2295 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0028a7208, 0xd14) pkg/sentry/kernel/task_run.go:97 +0x41b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 21045 pkg/sentry/kernel/task_start.go:400 +0x185