panic: nested locking: tmpfs.filesystemRWMutex: goroutine 4324 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc000a413e8) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x4d gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).OpenAt(0xc000a41380, {0x2061720, 0xc0017cac88}, 0xc00133d688, {0x8002, 0x0, 0x0}) pkg/sentry/fsimpl/tmpfs/filesystem.go:348 +0xea gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0002471e0, {0x2061720, 0xc0017cac88}, 0xc001d773e0, 0xc0018a5568, 0xc0018a549c) pkg/sentry/vfs/vfs.go:475 +0x686 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc0017cac88, 0xffffff9c, 0x7f76af8ecc10, 0x2, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x41d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc0017cac88, 0x0?, {{0xffffff9c}, {0x7f76af8ecc10}, {0x2}, {0x0}, {0x0}, {0x7f76af8ec986}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0xc6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0017cac88, 0x101, {{0xffffff9c}, {0x7f76af8ecc10}, {0x2}, {0x0}, {0x0}, {0x7f76af8ec986}}) pkg/sentry/kernel/task_syscall.go:143 +0xb9f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0017cac88, 0x101, {{0xffffff9c}, {0x7f76af8ecc10}, {0x2}, {0x0}, {0x0}, {0x7f76af8ec986}}) pkg/sentry/kernel/task_syscall.go:323 +0x85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0017cac88, 0x101, {{0xffffff9c}, {0x7f76af8ecc10}, {0x2}, {0x0}, {0x0}, {0x7f76af8ec986}}) pkg/sentry/kernel/task_syscall.go:283 +0xc7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0017cac88) pkg/sentry/kernel/task_syscall.go:258 +0x54a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0017cac88?, 0xc0017cac88) pkg/sentry/kernel/task_run.go:269 +0x2295 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0017cac88, 0x40a) pkg/sentry/kernel/task_run.go:97 +0x41b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 4426 pkg/sentry/kernel/task_start.go:400 +0x185