panic: nested locking: tmpfs.filesystemRWMutex: goroutine 94242 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).Lock(0xc007e2e478) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:31 +0x3c gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).OpenAt(0xc007e2e410, {0x1f8d8c0, 0xc008ca6c88}, 0xc0001f6908, {0x8042, 0x0, 0x0}) pkg/sentry/fsimpl/tmpfs/filesystem.go:362 +0x3cf gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0002851e0, {0x1f8d8c0, 0xc008ca6c88}, 0xc0054b4c60, 0xc009c9f560, 0xc009c9f4b0) pkg/sentry/vfs/vfs.go:475 +0x4ff gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc008ca6c88, 0xffffff9c, 0x20000280, 0x42, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x34f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc008ca6c88, 0x195fb60?, {{0xffffffffffffff9c}, {0x20000280}, {0x42}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0x46 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc008ca6c88, 0x101, {{0xffffffffffffff9c}, {0x20000280}, {0x42}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc008ca6c88, 0x101, {{0xffffffffffffff9c}, {0x20000280}, {0x42}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc008ca6c88, 0x101, {{0xffffffffffffff9c}, {0x20000280}, {0x42}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc008ca6c88) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc008ca6c88?, 0xc008ca6c88) pkg/sentry/kernel/task_run.go:269 +0x1fae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc008ca6c88, 0x6613) pkg/sentry/kernel/task_run.go:97 +0x4fb created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 94228 pkg/sentry/kernel/task_start.go:400 +0x165