From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: EDAC, thunderx: Remove VLA usage From: Jan Glauber Message-Id: <20180706114216.GA31180@wintermute> Date: Fri, 6 Jul 2018 13:42:16 +0200 To: Kees Cook Cc: Borislav Petkov , Mauro Carvalho Chehab , linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: T24gRnJpLCBKdW4gMjksIDIwMTggYXQgMTE6NDg6NTBBTSAtMDcwMCwgS2VlcyBDb29rIHdyb3Rl Ogo+IEluIHRoZSBxdWVzdCB0byByZW1vdmUgYWxsIHN0YWNrIFZMQSB1c2FnZSBmcm9tIHRoZSBr ZXJuZWxbMV0sIHRoaXMKPiBzd2l0Y2hlcyB0byB1c2luZyBhIGttYWxsb2MtYWxsb2NhdGVkIGJ1 ZmZlciBpbnN0ZWFkIG9mIHN0YWNrIHNwYWNlLgo+IFRoaXMgc2hvdWxkIGJlIGZpbmUgc2luY2Ug dGhlIGV4aXN0aW5nIHJvdXRpbmUgaXMgYWxsb2NhdGluZyBtZW1vcnkKPiB0b28uCj4gCj4gWzFd IGh0dHBzOi8vbGttbC5rZXJuZWwub3JnL3IvQ0ErNTVhRnpDRy16Tm1ad1g0QTJGUXBhZGFmTGZF eks2Q0M9cVBYeWRBYWNVMVJxWldBQG1haWwuZ21haWwuY29tCj4gCj4gQ2M6IERhdmlkIERhbmV5 IDxkYXZpZC5kYW5leUBjYXZpdW0uY29tPgo+IENjOiBKYW4gR2xhdWJlciA8amdsYXViZXJAY2F2 aXVtLmNvbT4KPiBDYzogQm9yaXNsYXYgUGV0a292IDxicEBhbGllbjguZGU+Cj4gQ2M6IE1hdXJv IENhcnZhbGhvIENoZWhhYiA8bWNoZWhhYkBrZXJuZWwub3JnPgo+IENjOiBsaW51eC1lZGFjQHZn ZXIua2VybmVsLm9yZwo+IFNpZ25lZC1vZmYtYnk6IEtlZXMgQ29vayA8a2Vlc2Nvb2tAY2hyb21p dW0ub3JnPgoKQWNrZWQtYnk6IEphbiBHbGF1YmVyIDxqZ2xhdWJlckBjYXZpdW0uY29tPgoKdGhh bmtzLApKYW4KCj4gLS0tCj4gIGRyaXZlcnMvZWRhYy90aHVuZGVyeF9lZGFjLmMgfCAxNCArKysr KysrKystLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgOSBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9u cygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2VkYWMvdGh1bmRlcnhfZWRhYy5jIGIvZHJp dmVycy9lZGFjL3RodW5kZXJ4X2VkYWMuYwo+IGluZGV4IDQ4MDNjNjQ2OGJhYi4uYzAwOWQ5NGY0 MGM1IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZWRhYy90aHVuZGVyeF9lZGFjLmMKPiArKysgYi9k cml2ZXJzL2VkYWMvdGh1bmRlcnhfZWRhYy5jCj4gQEAgLTQwOCwyNiArNDA4LDI5IEBAIHN0YXRp YyBzc2l6ZV90IHRodW5kZXJ4X2xtY19pbmplY3RfZWNjX3dyaXRlKHN0cnVjdCBmaWxlICpmaWxl LAo+ICAJCQkJCSAgICAgc2l6ZV90IGNvdW50LCBsb2ZmX3QgKnBwb3MpCj4gIHsKPiAgCXN0cnVj dCB0aHVuZGVyeF9sbWMgKmxtYyA9IGZpbGUtPnByaXZhdGVfZGF0YTsKPiAtCj4gIAl1bnNpZ25l ZCBpbnQgY2xpbmVfc2l6ZSA9IGNhY2hlX2xpbmVfc2l6ZSgpOwo+IC0KPiAtCXU4IHRtcFtjbGlu ZV9zaXplXTsKPiArCXU4ICp0bXA7Cj4gIAl2b2lkIF9faW9tZW0gKmFkZHI7Cj4gIAl1bnNpZ25l ZCBpbnQgb2ZmcywgdGltZW91dCA9IDEwMDAwMDsKPiAgCj4gIAlhdG9taWNfc2V0KCZsbWMtPmVj Y19pbnQsIDApOwo+ICAKPiAgCWxtYy0+bWVtID0gYWxsb2NfcGFnZXNfbm9kZShsbWMtPm5vZGUs IEdGUF9LRVJORUwsIDApOwo+IC0KPiAgCWlmICghbG1jLT5tZW0pCj4gIAkJcmV0dXJuIC1FTk9N RU07Cj4gIAo+ICsJdG1wID0ga21hbGxvYyhjbGluZV9zaXplLCBHRlBfS0VSTkVMKTsKPiArCWlm ICghdG1wKSB7Cj4gKwkJX19mcmVlX3BhZ2VzKGxtYy0+bWVtLCAwKTsKPiArCQlyZXR1cm4gLUVO T01FTTsKPiArCX0KPiArCj4gIAlhZGRyID0gcGFnZV9hZGRyZXNzKGxtYy0+bWVtKTsKPiAgCj4g IAl3aGlsZSAoIWF0b21pY19yZWFkKCZsbWMtPmVjY19pbnQpICYmIHRpbWVvdXQtLSkgewo+ICAJ CXN0b3BfbWFjaGluZShpbmplY3RfZWNjX2ZuLCBsbWMsIE5VTEwpOwo+ICAKPiAtCQlmb3IgKG9m ZnMgPSAwOyBvZmZzIDwgUEFHRV9TSVpFOyBvZmZzICs9IHNpemVvZih0bXApKSB7Cj4gKwkJZm9y IChvZmZzID0gMDsgb2ZmcyA8IFBBR0VfU0laRTsgb2ZmcyArPSBjbGluZV9zaXplKSB7Cj4gIAkJ CS8qCj4gIAkJCSAqIERvIGEgbG9hZCBmcm9tIHRoZSBwcmV2aW91c2x5IHJpZ2dlZCBsb2NhdGlv bgo+ICAJCQkgKiBUaGlzIHNob3VsZCBnZW5lcmF0ZSBhbiBlcnJvciBpbnRlcnJ1cHQuCj4gQEAg LTQzNyw2ICs0NDAsNyBAQCBzdGF0aWMgc3NpemVfdCB0aHVuZGVyeF9sbWNfaW5qZWN0X2VjY193 cml0ZShzdHJ1Y3QgZmlsZSAqZmlsZSwKPiAgCQl9Cj4gIAl9Cj4gIAo+ICsJa2ZyZWUodG1wKTsK PiAgCV9fZnJlZV9wYWdlcyhsbWMtPm1lbSwgMCk7Cj4gIAo+ICAJcmV0dXJuIGNvdW50Owo+IC0t IAo+IDIuMTcuMQo+IAo+IAo+IC0tIAo+IEtlZXMgQ29vawo+IFBpeGVsIFNlY3VyaXR5Ci0tLQpU byB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUg bGludXgtZWRhYyIgaW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtl cm5lbC5vcmcKTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9t YWpvcmRvbW8taW5mby5odG1sCg==