panic: nested locking: tmpfs.filesystemRWMutex: goroutine 1483 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc0011fbb38) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x4d gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).OpenAt(0xc0011fbad0, {0x2061720, 0xc0862b0c88}, 0xc087645688, {0x8002, 0x0, 0x0}) pkg/sentry/fsimpl/tmpfs/filesystem.go:348 +0xea gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0002471e0, {0x2061720, 0xc0862b0c88}, 0xc000f816e0, 0xc085e17568, 0xc085e1749c) pkg/sentry/vfs/vfs.go:475 +0x686 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc0862b0c88, 0xffffff9c, 0x7f0a31b71fa0, 0x2, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x41d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc0862b0c88, 0x0?, {{0xffffff9c}, {0x7f0a31b71fa0}, {0x2}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0xc6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0862b0c88, 0x101, {{0xffffff9c}, {0x7f0a31b71fa0}, {0x2}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0xb9f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0862b0c88, 0x101, {{0xffffff9c}, {0x7f0a31b71fa0}, {0x2}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0862b0c88, 0x101, {{0xffffff9c}, {0x7f0a31b71fa0}, {0x2}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0xc7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0862b0c88) pkg/sentry/kernel/task_syscall.go:258 +0x54a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0862b0c88?, 0xc0862b0c88) pkg/sentry/kernel/task_run.go:269 +0x2295 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0862b0c88, 0x1ba) pkg/sentry/kernel/task_run.go:97 +0x41b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 1482 pkg/sentry/kernel/task_start.go:400 +0x185