panic: nested locking: tmpfs.filesystemRWMutex: goroutine 5015 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystemRWMutex).RLock(0xc001456478) bazel-out/k8-fastbuild/bin/pkg/sentry/fsimpl/tmpfs/filesystem_mutex.go:59 +0x4d gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*filesystem).GetDentryAt(0xc001456410, {0x2061a40, 0xc001354008}, 0xc000661b08, {0xc0?}) pkg/sentry/fsimpl/tmpfs/filesystem.go:242 +0x8a gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).GetDentryAt(0xc00027d1e0, {0x2061a40, 0xc001354008}, 0xc002204c60, 0xc0019ab570, 0xc0019aaf3f) pkg/sentry/vfs/vfs.go:263 +0x155 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).openOPathFD(0xc00027d1e0, {0x2061a40, 0xc001354008}, 0xc002204c60, 0xc0019ab570, 0x200000) pkg/sentry/vfs/opath.go:142 +0xd7 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00027d1e0, {0x2061a40, 0xc001354008}, 0xc002204c60, 0xc0019ab570, 0xc0019ab4a4) pkg/sentry/vfs/vfs.go:467 +0x44c gvisor.dev/gvisor/pkg/sentry/syscalls/linux.openat(0xc001354008, 0xffffff9c, 0x20000100, 0x200880, 0x0) pkg/sentry/syscalls/linux/sys_file.go:112 +0x41d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Open(0xc001354008, 0x0?, {{0x20000100}, {0x200880}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:82 +0xa8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001354008, 0x2, {{0x20000100}, {0x200880}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0xb9f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001354008, 0x2, {{0x20000100}, {0x200880}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001354008, 0x2, {{0x20000100}, {0x200880}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0xc7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001354008) pkg/sentry/kernel/task_syscall.go:258 +0x54a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001354008?, 0xc001354008) pkg/sentry/kernel/task_run.go:269 +0x2295 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001354008, 0x275) pkg/sentry/kernel/task_run.go:97 +0x41b created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 3832 pkg/sentry/kernel/task_start.go:400 +0x185