panic: nested locking: kernfs.filesystemRWMutex: goroutine 476 [running]: gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*filesystemRWMutex).Lock(0xc0011e2dd0) bazel-out/aarch64-fastbuild/bin/pkg/sentry/fsimpl/kernfs/filesystem_mutex.go:31 +0x40 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).DecRef(0xc000701b90, {0x1be5138, 0xc000af9208}) pkg/sentry/fsimpl/kernfs/kernfs.go:303 +0x94 gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).DecRef(...) pkg/sentry/vfs/dentry.go:156 gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0xc0004c1550?, 0xc000701b90?}, {0x1be5138, 0xc000af9208}) pkg/sentry/vfs/vfs.go:1105 +0x6c gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).RemoveIf.(*FileDescription).DecRef.func2() pkg/sentry/vfs/file_description.go:201 +0x300 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc0004b7488, 0xc00054fb88) bazel-out/aarch64-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:133 +0x58 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(...) pkg/sentry/vfs/file_description.go:161 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).RemoveIf(0xc000fefa80, {0x1be5138, 0xc000af9208}, 0x19f9950) pkg/sentry/kernel/fd_table.go:506 +0x160 gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute.(*FDTable).DecRef.func3() pkg/sentry/kernel/fd_table.go:150 +0x50 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTableRefs).DecRef(0xc000fefa80, 0xc00054fd70) bazel-out/aarch64-fastbuild/bin/pkg/sentry/kernel/fd_table_refs.go:133 +0x58 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef(...) pkg/sentry/kernel/fd_table.go:149 gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0xc000af9208?, 0xc000af9208) pkg/sentry/kernel/task_exit.go:301 +0x63c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000af9208, 0x3e) pkg/sentry/kernel/task_run.go:97 +0x394 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 447 pkg/sentry/kernel/task_start.go:412 +0x13c