panic: nested locking: tmpfs.filesystemRWMutex: goroutine 3378 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc0013346e8) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x4d gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).OpenAt(0xc001334680, {0x205eb00, 0xc001981908}, 0xc0022c4008, {0x8000, 0x0, 0x0}) pkg/sentry/fsimpl/tmpfs/filesystem.go:348 +0xea gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00027d1e0, {0x205eb00, 0xc001981908}, 0xc0019bc540, 0xc001487568, 0xc00148749c) pkg/sentry/vfs/vfs.go:475 +0x686 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc001981908, 0xffffff9c, 0x20000000, 0x0, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x41d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc001981908, 0xca?, {{0xffffffffffffff9c}, {0x20000000}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0xc6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001981908, 0x101, {{0xffffffffffffff9c}, {0x20000000}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0xb9f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001981908, 0x101, {{0xffffffffffffff9c}, {0x20000000}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001981908, 0x101, {{0xffffffffffffff9c}, {0x20000000}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0xc7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001981908) pkg/sentry/kernel/task_syscall.go:258 +0x54a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001981908?, 0xc001981908) pkg/sentry/kernel/task_run.go:269 +0x2295 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001981908, 0x250) pkg/sentry/kernel/task_run.go:97 +0x41b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 3337 pkg/sentry/kernel/task_start.go:400 +0x185