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: x86, mce: Fix stack out-of-bounds write in mce-inject.c:flags_read() From: Borislav Petkov Message-Id: <20180427165939.GG15229@pd.tnic> Date: Fri, 27 Apr 2018 18:59:39 +0200 To: "Luck, Tony" Cc: Dmitry Vyukov , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , the arch/x86 maintainers , linux-edac@vger.kernel.org, LKML List-ID: T24gRnJpLCBBcHIgMjcsIDIwMTggYXQgMDk6Mzc6MDhBTSAtMDcwMCwgTHVjaywgVG9ueSB3cm90 ZToKPiBFYWNoIG9mIHRoZSBzdHJpbmdzIHRoYXQgd2Ugd2FudCB0byBwdXQgaW50byB0aGUgYnVm W01BWF9GTEFHX09QVF9TSVpFXQo+IGluIGZsYWdzX3JlYWQoKSBpcyB0d28gY2hhcmFjdGVycy4g QnV0IHRoZSBzcHJpbnRmKCkgYWRkcyBhIHRyYWlsaW5nIG5ld2xpbmUKPiBhbmQgd2lsbCBhZGQg YSB0ZXJtaW5hdGluZyBOVUwgYnl0ZS4gU28gTUFYX0ZMQUdfT1BUX1NJWkUgbmVlZHMgdG8gYmUg NC4KCi4uLiBhbmQgSSBkdW1wZWQgdGhlIG4gaGVyZToKCgluID0gc3ByaW50ZihidWYsICIlc1xu IiwgZmxhZ3Nfb3B0aW9uc1tpbmpfdHlwZV0pCgphbmQgaXQgd2FzIDMgYnV0IHNwcmludGYoKSBj YWxscyB2c25wcmludGYoKSBhbmQgKnRoYXQqIGRvZXMgcmV0dXJuOgoKIiAqIFRoZSByZXR1cm4g dmFsdWUgaXMgdGhlIG51bWJlciBvZiBjaGFyYWN0ZXJzIHdoaWNoIHdvdWxkCiAqIGJlIGdlbmVy YXRlZCBmb3IgdGhlIGdpdmVuIGlucHV0LCBleGNsdWRpbmcgdGhlIHRyYWlsaW5nCiAqICdcMCcs IGFzIHBlciBJU08gQzk5LiIKClNvIEknbGwgZXh0ZW5kIHRoZSBjb21taXQgbWVzc2FnZSB3aXRo IHRoYXQgYW5kIGFwcGx5IGl0LgoKVGhhbmtzLgo=