panic: nested locking: tmpfs.filesystemRWMutex: goroutine 3555 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).Lock(0xc0014702d8) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:31 +0x4d gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).OpenAt(0xc001470270, {0x2061a40, 0xc002717208}, 0xc0011b3208, {0x8042, 0x1ed, 0x0}) pkg/sentry/fsimpl/tmpfs/filesystem.go:362 +0x459 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0002451e0, {0x2061a40, 0xc002717208}, 0xc001d808a0, 0xc00072f568, 0xc00072f49c) pkg/sentry/vfs/vfs.go:475 +0x686 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc002717208, 0xffffff9c, 0x20000100, 0x42, 0x1ff) pkg/sentry/syscalls/linux/sys_file.go:112 +0x41d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc002717208, 0x0?, {{0xffffffffffffff9c}, {0x20000100}, {0x42}, {0x1ff}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0xc6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002717208, 0x101, {{0xffffffffffffff9c}, {0x20000100}, {0x42}, {0x1ff}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0xb9f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002717208, 0x101, {{0xffffffffffffff9c}, {0x20000100}, {0x42}, {0x1ff}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002717208, 0x101, {{0xffffffffffffff9c}, {0x20000100}, {0x42}, {0x1ff}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0xc7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002717208) pkg/sentry/kernel/task_syscall.go:258 +0x54a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc002717208?, 0xc002717208) pkg/sentry/kernel/task_run.go:269 +0x2295 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002717208, 0x1d6) pkg/sentry/kernel/task_run.go:97 +0x41b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 3454 pkg/sentry/kernel/task_start.go:400 +0x185