panic: nested locking: tmpfs.filesystemRWMutex: goroutine 54558 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).Lock(0xc00c68d588) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:31 +0x3c gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).OpenAt(0xc00c68d520, {0x1f8d8c0, 0xc003cdcc88}, 0xc0010fe488, {0x8040, 0x4, 0x0}) pkg/sentry/fsimpl/tmpfs/filesystem.go:362 +0x3cf gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00024b1e0, {0x1f8d8c0, 0xc003cdcc88}, 0xc00366aae0, 0xc000fb1560, 0xc000fb14b0) pkg/sentry/vfs/vfs.go:475 +0x4ff gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc003cdcc88, 0xffffff9c, 0x20000000, 0x80040, 0x4) pkg/sentry/syscalls/linux/sys_file.go:112 +0x34f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Openat(0xc003cdcc88, 0x195fb60?, {{0xffffffffffffff9c}, {0x20000000}, {0x80040}, {0x4}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:91 +0x46 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003cdcc88, 0x101, {{0xffffffffffffff9c}, {0x20000000}, {0x80040}, {0x4}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003cdcc88, 0x101, {{0xffffffffffffff9c}, {0x20000000}, {0x80040}, {0x4}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003cdcc88, 0x101, {{0xffffffffffffff9c}, {0x20000000}, {0x80040}, {0x4}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc003cdcc88) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc003cdcc88?, 0xc003cdcc88) pkg/sentry/kernel/task_run.go:269 +0x1fae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003cdcc88, 0x4289) pkg/sentry/kernel/task_run.go:97 +0x4fb created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 54647 pkg/sentry/kernel/task_start.go:400 +0x165