panic: nested locking: tmpfs.filesystemRWMutex: goroutine 324777 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc007e6aa28) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x3c gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).OpenAt(0xc007e6a9c0, {0x1f8d8c0, 0xc0017a6588}, 0xc0015a3208, {0x8000, 0x0, 0x0}) pkg/sentry/fsimpl/tmpfs/filesystem.go:348 +0xb0 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0002851e0, {0x1f8d8c0, 0xc0017a6588}, 0xc0146bd0e0, 0xc0015fb560, 0xc0015fb4b0) pkg/sentry/vfs/vfs.go:475 +0x4ff gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc0017a6588, 0xffffff9c, 0x20000080, 0x0, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x34f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc0017a6588, 0x0?, {{0xffffffffffffff9c}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0x46 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0017a6588, 0x101, {{0xffffffffffffff9c}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0017a6588, 0x101, {{0xffffffffffffff9c}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0017a6588, 0x101, {{0xffffffffffffff9c}, {0x20000080}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0017a6588) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0017a6588?, 0xc0017a6588) pkg/sentry/kernel/task_run.go:269 +0x1fae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0017a6588, 0xb5da) pkg/sentry/kernel/task_run.go:97 +0x4fb created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 324774 pkg/sentry/kernel/task_start.go:400 +0x165