panic: nested locking: tmpfs.filesystemRWMutex: goroutine 263 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc00087a2d8) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x3c gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).OpenAt(0xc00087a270, {0x1f8d8c0, 0xc000270588}, 0xc00024bb08, {0x8002, 0x0, 0x0}) pkg/sentry/fsimpl/tmpfs/filesystem.go:348 +0xb0 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0001cf1e0, {0x1f8d8c0, 0xc000270588}, 0xc00064cd20, 0xc000bdf560, 0xc000bdf4b0) pkg/sentry/vfs/vfs.go:475 +0x4ff gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc000270588, 0xffffff9c, 0x20000280, 0x2, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x34f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc000270588, 0x0?, {{0xffffffffffffff9c}, {0x20000280}, {0x2}, {0x0}, {0x7f7f2491ac08}, {0x55ddd0238a50}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0x46 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000270588, 0x101, {{0xffffffffffffff9c}, {0x20000280}, {0x2}, {0x0}, {0x7f7f2491ac08}, {0x55ddd0238a50}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000270588, 0x101, {{0xffffffffffffff9c}, {0x20000280}, {0x2}, {0x0}, {0x7f7f2491ac08}, {0x55ddd0238a50}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000270588, 0x101, {{0xffffffffffffff9c}, {0x20000280}, {0x2}, {0x0}, {0x7f7f2491ac08}, {0x55ddd0238a50}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000270588) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000270588?, 0xc000270588) pkg/sentry/kernel/task_run.go:269 +0x1fae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000270588, 0x7) pkg/sentry/kernel/task_run.go:97 +0x4fb created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 277 pkg/sentry/kernel/task_start.go:400 +0x165