panic: nested locking: tmpfs.filesystemRWMutex: goroutine 40494 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc0028b8478) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x3c gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).GetDentryAt(0xc0028b8410, {0x1f8d8c0, 0xc00249ac88}, 0xc004e5c488, {0x90?}) pkg/sentry/fsimpl/tmpfs/filesystem.go:242 +0x76 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).GetDentryAt(0xc00024f1e0, {0x1f8d8c0, 0xc00249ac88}, 0xc0092c2720, 0xc0099df560, 0xc0099def3f) pkg/sentry/vfs/vfs.go:263 +0x133 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).openOPathFD(0xc00024f1e0, {0x1f8d8c0, 0xc00249ac88}, 0xc0092c2720, 0xc0099df560, 0x200000) pkg/sentry/vfs/opath.go:142 +0xc5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00024f1e0, {0x1f8d8c0, 0xc00249ac88}, 0xc0092c2720, 0xc0099df560, 0xc0099df4b0) pkg/sentry/vfs/vfs.go:467 +0x309 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc00249ac88, 0xffffff9c, 0x200026c0, 0x200000, 0x1) pkg/sentry/syscalls/linux/sys_file.go:112 +0x34f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Open(0xc00249ac88, 0x0?, {{0x200026c0}, {0x200000}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:82 +0x46 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00249ac88, 0x2, {{0x200026c0}, {0x200000}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00249ac88, 0x2, {{0x200026c0}, {0x200000}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00249ac88, 0x2, {{0x200026c0}, {0x200000}, {0x1}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00249ac88) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00249ac88?, 0xc00249ac88) pkg/sentry/kernel/task_run.go:269 +0x1fae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00249ac88, 0x3821) pkg/sentry/kernel/task_run.go:97 +0x4fb created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 40757 pkg/sentry/kernel/task_start.go:400 +0x165