From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5] helo=mx0a-001b2d01.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAajv-0004H5-TO for kexec@lists.infradead.org; Wed, 18 Sep 2019 14:15:29 +0000 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x8IE6rf0043164 for ; Wed, 18 Sep 2019 10:15:25 -0400 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0b-001b2d01.pphosted.com with ESMTP id 2v3nbv272b-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 18 Sep 2019 10:15:25 -0400 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 18 Sep 2019 15:15:23 +0100 Subject: Re: [RFC PATCH v1 1/1] Add support for arm64 to carry ima measurement log in kexec_file_load From: Mimi Zohar Date: Wed, 18 Sep 2019 10:15:11 -0400 In-Reply-To: <20190913225009.3406-2-prsriva@linux.microsoft.com> References: <20190913225009.3406-1-prsriva@linux.microsoft.com> <20190913225009.3406-2-prsriva@linux.microsoft.com> Mime-Version: 1.0 Message-Id: <1568816111.16709.68.camel@linux.ibm.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Prakhar Srivastava , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-integrity@vger.kernel.org, kexec@lists.infradead.org Cc: mark.rutland@arm.com, jean-philippe@linaro.org, arnd@arndb.de, takahiro.akashi@linaro.org, sboyd@kernel.org, catalin.marinas@arm.com, yamada.masahiro@socionext.com, kristina.martsenko@arm.org, duwe@lst.de, bauerman@linux.ibm.com, james.morse@arm.org, tglx@linutronix.de, allison@lohutok.net SGkgUHJhaGthciwKCk9uIEZyaSwgMjAxOS0wOS0xMyBhdCAxNTo1MCAtMDcwMCwgUHJha2hhciBT cml2YXN0YXZhIHdyb3RlOgo+IER1cmluZyBrZXhlY19maWxlX2xvYWQsIGNhcnJ5aW5nIGZvcndh cmQgdGhlIGltYSBtZWFzdXJlbWVudCBsb2cgYWxsb3dzCj4gYSB2ZXJpZnlpbmcgcGFydHkgdG8g Z2V0IHRoZSBlbnRpcmUgcnVudGltZSBldmVudCBsb2cgc2luY2UgdGhlIGxhc3QKPiBmdWxsIHJl Ym9vdCBzaW5jZSB0aGF0IGlzIHdoZW4gUENScyB3ZXJlIGxhc3QgcmVzZXQuCj4gCj4gU2lnbmVk LW9mZi1ieTogUHJha2hhciBTcml2YXN0YXZhIDxwcnNyaXZhQGxpbnV4Lm1pY3Jvc29mdC5jb20+ CgpNaXNzaW5nIGlzIHRoZSBDaGFuZ2Vsb2cgYmV0d2VlbiB2ZXJzaW9ucy4gwqAodjEgaGFzIG5v dyBiZWVuIHBvc3RlZCAzCnRpbWVzLikKClRoZXJlJ3MgYSBudW1iZXIgb2YgdHJhaWxpbmcgd2hp dGVzcGFjZXMsIGJsYW5rcyBiZWZvcmUgdGFicywgYW5kCm90aGVyIHdhcm5pbmdzLiDCoFBsZWFz ZSB1c2Ugc2NyaXB0cy9jaGVja3BhdGNoLnBsIGJlZm9yZSBwb3N0aW5nCnBhdGNoZXMuCgoKPiAt LS0KPiAgYXJjaC9hcm02NC9LY29uZmlnICAgICAgICAgICAgICAgICAgICAgfCAgIDcgKwo+ICBh cmNoL2FybTY0L2luY2x1ZGUvYXNtL2ltYS5oICAgICAgICAgICB8ICAyOSArKysrCj4gIGFyY2gv YXJtNjQvaW5jbHVkZS9hc20va2V4ZWMuaCAgICAgICAgIHwgICA1ICsKPiAgYXJjaC9hcm02NC9r ZXJuZWwvTWFrZWZpbGUgICAgICAgICAgICAgfCAgIDMgKy0KPiAgYXJjaC9hcm02NC9rZXJuZWwv aW1hX2tleGVjLmMgICAgICAgICAgfCAyMTMgKysrKysrKysrKysrKysrKysrKysrKysrKwo+ICBh cmNoL2FybTY0L2tlcm5lbC9tYWNoaW5lX2tleGVjX2ZpbGUuYyB8ICAgNiArCj4gIDYgZmlsZXMg Y2hhbmdlZCwgMjYyIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPiAgY3JlYXRlIG1vZGUg MTAwNjQ0IGFyY2gvYXJtNjQvaW5jbHVkZS9hc20vaW1hLmgKPiAgY3JlYXRlIG1vZGUgMTAwNjQ0 IGFyY2gvYXJtNjQva2VybmVsL2ltYV9rZXhlYy5jCj4gCj4gZGlmZiAtLWdpdCBhL2FyY2gvYXJt NjQvS2NvbmZpZyBiL2FyY2gvYXJtNjQvS2NvbmZpZwo+IGluZGV4IDNhZGNlYzA1YjFmNi4uZjM5 YjEyZGJmOWU4IDEwMDY0NAo+IC0tLSBhL2FyY2gvYXJtNjQvS2NvbmZpZwo+ICsrKyBiL2FyY2gv YXJtNjQvS2NvbmZpZwo+IEBAIC05NzYsNiArOTc2LDEzIEBAIGNvbmZpZyBLRVhFQ19WRVJJRllf U0lHCj4gIAkgIHZlcmlmaWNhdGlvbiBmb3IgdGhlIGNvcnJlc3BvbmRpbmcga2VybmVsIGltYWdl IHR5cGUgYmVpbmcKPiAgCSAgbG9hZGVkIGluIG9yZGVyIGZvciB0aGlzIHRvIHdvcmsuCj4gIAo+ ICtjb25maWcgSEFWRV9JTUFfS0VYRUMKPiArCWJvb2wgIkNhcnJ5IG92ZXIgSU1BIG1lYXN1cmVt ZW50IGxvZyBkdXJpbmcga2V4ZWNfZmlsZV9sb2FkKCkgc3lzY2FsbCIKPiArCWRlcGVuZHMgb24g S0VYRUNfRklMRQo+ICsJaGVscAo+ICsJICBTZWxlY3QgdGhpcyBvcHRpb24gdG8gY2Fycnkgb3Zl ciBJTUEgbWVhc3VyZW1lbnQgbG9nIGR1cmluZwo+ICsJICBrZXhlY19maWxlX2xvYWQuCj4gKwo+ ICBjb25maWcgS0VYRUNfSU1BR0VfVkVSSUZZX1NJRwo+ICAJYm9vbCAiRW5hYmxlIEltYWdlIHNp Z25hdHVyZSB2ZXJpZmljYXRpb24gc3VwcG9ydCIKPiAgCWRlZmF1bHQgeQo+IGRpZmYgLS1naXQg YS9hcmNoL2FybTY0L2luY2x1ZGUvYXNtL2ltYS5oIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9p bWEuaAo+IG5ldyBmaWxlIG1vZGUgMTAwNjQ0Cj4gaW5kZXggMDAwMDAwMDAwMDAwLi5lMjNjZWU4 NDcyOWYKPiAtLS0gL2Rldi9udWxsCj4gKysrIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9pbWEu aAo+IEBAIC0wLDAgKzEsMjkgQEAKPiArLyogU1BEWC1MaWNlbnNlLUlkZW50aWZpZXI6IEdQTC0y LjAgKi8KPiArI2lmbmRlZiBfQVNNX0FSTTY0X0lNQV9ICj4gKyNkZWZpbmUgX0FTTV9BUk02NF9J TUFfSAo+ICsKPiArc3RydWN0IGtpbWFnZTsKPiArCj4gK2ludCBpbWFfZ2V0X2tleGVjX2J1ZmZl cih2b2lkICoqYWRkciwgc2l6ZV90ICpzaXplKTsKPiAraW50IGltYV9mcmVlX2tleGVjX2J1ZmZl cih2b2lkKTsKPiArCj4gKyNpZmRlZiBDT05GSUdfSU1BCj4gK3ZvaWQgcmVtb3ZlX2ltYV9idWZm ZXIodm9pZCAqZmR0LCBpbnQgY2hvc2VuX25vZGUpOwo+ICsjZWxzZQo+ICtzdGF0aWMgaW5saW5l IHZvaWQgcmVtb3ZlX2ltYV9idWZmZXIodm9pZCAqZmR0LCBpbnQgY2hvc2VuX25vZGUpIHt9Cj4g KyNlbmRpZgo+ICsKPiArI2lmZGVmIENPTkZJR19JTUFfS0VYRUMKPiAraW50IGFyY2hfaW1hX2Fk ZF9rZXhlY19idWZmZXIoc3RydWN0IGtpbWFnZSAqaW1hZ2UsIHVuc2lnbmVkIGxvbmcgbG9hZF9h ZGRyLAo+ICsJCQkgICAgICBzaXplX3Qgc2l6ZSk7Cj4gKwo+ICtpbnQgc2V0dXBfaW1hX2J1ZmZl cihjb25zdCBzdHJ1Y3Qga2ltYWdlICppbWFnZSwgdm9pZCAqZmR0LCBpbnQgY2hvc2VuX25vZGUp Owo+ICsjZWxzZQo+ICtzdGF0aWMgaW5saW5lIGludCBzZXR1cF9pbWFfYnVmZmVyKGNvbnN0IHN0 cnVjdCBraW1hZ2UgKmltYWdlLCB2b2lkICpmZHQsCj4gKwkJCQkgICBpbnQgY2hvc2VuX25vZGUp Cj4gK3sKPiArCXJlbW92ZV9pbWFfYnVmZmVyKGZkdCwgY2hvc2VuX25vZGUpOwo+ICsJcmV0dXJu IDA7Cj4gK30KPiArI2VuZGlmIC8qIENPTkZJR19JTUFfS0VYRUMgKi8KPiArI2VuZGlmIC8qIF9B U01fQVJNNjRfSU1BX0ggKi8KPiBkaWZmIC0tZ2l0IGEvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9r ZXhlYy5oIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9rZXhlYy5oCj4gaW5kZXggMTJhNTYxYTU0 MTI4Li5lOGQyNDEyMDY2ZTcgMTAwNjQ0Cj4gLS0tIGEvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9r ZXhlYy5oCj4gKysrIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9rZXhlYy5oCj4gQEAgLTk2LDYg Kzk2LDExIEBAIHN0YXRpYyBpbmxpbmUgdm9pZCBjcmFzaF9wb3N0X3Jlc3VtZSh2b2lkKSB7fQo+ ICBzdHJ1Y3Qga2ltYWdlX2FyY2ggewo+ICAJdm9pZCAqZHRiOwo+ICAJdW5zaWduZWQgbG9uZyBk dGJfbWVtOwo+ICsKPiArI2lmZGVmIENPTkZJR19JTUFfS0VYRUMKPiArCXBoeXNfYWRkcl90IGlt YV9idWZmZXJfYWRkcjsKPiArCXNpemVfdCBpbWFfYnVmZmVyX3NpemU7Cj4gKyNlbmRpZgo+ICB9 Owo+ICAKPiAgZXh0ZXJuIGNvbnN0IHN0cnVjdCBrZXhlY19maWxlX29wcyBrZXhlY19pbWFnZV9v cHM7Cj4gZGlmZiAtLWdpdCBhL2FyY2gvYXJtNjQva2VybmVsL01ha2VmaWxlIGIvYXJjaC9hcm02 NC9rZXJuZWwvTWFrZWZpbGUKPiBpbmRleCA0Nzg0OTFmMDdiNGYuLjU4MDIzOGYyZTlhNyAxMDA2 NDQKPiAtLS0gYS9hcmNoL2FybTY0L2tlcm5lbC9NYWtlZmlsZQo+ICsrKyBiL2FyY2gvYXJtNjQv a2VybmVsL01ha2VmaWxlCj4gQEAgLTU1LDcgKzU1LDggQEAgb2JqLSQoQ09ORklHX1JBTkRPTUla RV9CQVNFKQkJKz0ga2FzbHIubwo+ICBvYmotJChDT05GSUdfSElCRVJOQVRJT04pCQkrPSBoaWJl cm5hdGUubyBoaWJlcm5hdGUtYXNtLm8KPiAgb2JqLSQoQ09ORklHX0tFWEVDX0NPUkUpCQkrPSBt YWNoaW5lX2tleGVjLm8gcmVsb2NhdGVfa2VybmVsLm8JXAo+ICAJCQkJCSAgIGNwdS1yZXNldC5v Cj4gLW9iai0kKENPTkZJR19LRVhFQ19GSUxFKQkJKz0gbWFjaGluZV9rZXhlY19maWxlLm8ga2V4 ZWNfaW1hZ2Uubwo+ICtvYmotJChDT05GSUdfS0VYRUNfRklMRSkJCSs9IG1hY2hpbmVfa2V4ZWNf ZmlsZS5vIGtleGVjX2ltYWdlLm8JXAo+ICsJCQkJCSAgIGltYV9rZXhlYy5vCgpUaGUga2VybmVs IG1heSBiZSBidWlsdCB3aXRoL3dpdGhvdXQgSU1BIGVuYWJsZWQgb3Igd2l0aG91dCBJTUFfS0VY RUMKc3VwcG9ydC4gwqBIZXJlIHlvdSdyZSByZXF1aXJpbmcgYm90aCBJTUEgYW5kIElNQV9LRVhF QyB0byBiZQpjb25maWd1cmVkLiDCoFBsZWFzZSByZWZlciB0byB0aGUgcG93ZXJwYyBleGFtcGxl LgoKCj4gIG9iai0kKENPTkZJR19BUk02NF9SRUxPQ19URVNUKQkJKz0gYXJtNjQtcmVsb2MtdGVz dC5vCj4gIGFybTY0LXJlbG9jLXRlc3QteSA6PSByZWxvY190ZXN0X2NvcmUubyByZWxvY190ZXN0 X3N5bXMubwo+ICBvYmotJChDT05GSUdfQ1JBU0hfRFVNUCkJCSs9IGNyYXNoX2R1bXAubwo+IGRp ZmYgLS1naXQgYS9hcmNoL2FybTY0L2tlcm5lbC9pbWFfa2V4ZWMuYyBiL2FyY2gvYXJtNjQva2Vy bmVsL2ltYV9rZXhlYy5jCj4gbmV3IGZpbGUgbW9kZSAxMDA2NDQKPiBpbmRleCAwMDAwMDAwMDAw MDAuLmIxNDMyNmQ1NDFmMwo+IC0tLSAvZGV2L251bGwKPiArKysgYi9hcmNoL2FybTY0L2tlcm5l bC9pbWFfa2V4ZWMuYwo+IEBAIC0wLDAgKzEsMjEzIEBACj4gKy8vIFNQRFgtTGljZW5zZS1JZGVu dGlmaWVyOiBHUEwtMi4wCj4gKy8qCj4gKyAqIENvcHlyaWdodCAoQykgMjAxOSBNaWNyb3NvZnQg Q29ycG9yYXRpb24uCj4gKyAqCj4gKyAqIEF1dGhvcnM6Cj4gKyAqIFByYWtoYXIgU3JpdmFzdGF2 YSA8cHJzcml2YUBsaW51eC5taWNyb3NvZnQuY29tPgo+ICsgKi8KPiArCj4gKyNpbmNsdWRlIDxs aW51eC9zbGFiLmg+Cj4gKyNpbmNsdWRlIDxsaW51eC9rZXhlYy5oPgo+ICsjaW5jbHVkZSA8bGlu dXgvb2YuaD4KPiArI2luY2x1ZGUgPGxpbnV4L21lbWJsb2NrLmg+Cj4gKyNpbmNsdWRlIDxsaW51 eC9saWJmZHQuaD4KPiArCj4gKwoKRXh0cmFuZW91cyBibGFuayBsaW5lLgoKPiArLyoqCj4gKyAq IGRlbGV0ZV9mZHRfbWVtX3JzdiAtIGRlbGV0ZSBtZW1vcnkgcmVzZXJ2YXRpb24gd2l0aCBnaXZl biBhZGRyZXNzIGFuZCBzaXplCj4gKyAqIEBmZHQgLSBwb2ludGVyIHRvIHRoZSBmZHQuCj4gKyAq IEBzdGFydCAtIHN0YXJ0IGFkZHJlc3Mgb2YgdGhlIG1lbW9yeS4KPiArICogQHNpemUgLSBudW1i ZXIgb2YgY2VsbHMgdG8gYmUgZGVsZXRkLgo+ICsgKiAKPiArICogUmV0dXJuOiAwIG9uIHN1Y2Nl c3MsIG9yIG5lZ2F0aXZlIGVycm5vIG9uIGVycm9yLgo+ICsgKi8KPiAraW50IGRlbGV0ZV9mZHRf bWVtX3Jzdih2b2lkICpmZHQsIHVuc2lnbmVkIGxvbmcgc3RhcnQsIHVuc2lnbmVkIGxvbmcgc2l6 ZSkKPiArewo+ICsJaW50IGksIHJldCwgbnVtX3JzdnMgPSBmZHRfbnVtX21lbV9yc3YoZmR0KTsK PiArCj4gKwlmb3IgKGkgPSAwOyBpIDwgbnVtX3JzdnM7IGkrKykgewo+ICsJCXVpbnQ2NF90IHJz dl9zdGFydCwgcnN2X3NpemU7Cj4gKwo+ICsJCXJldCA9IGZkdF9nZXRfbWVtX3JzdihmZHQsIGks ICZyc3Zfc3RhcnQsICZyc3Zfc2l6ZSk7Cj4gKwkJaWYgKHJldCkgewo+ICsJCQlwcl9lcnIoIk1h bGZvcm1lZCBkZXZpY2UgdHJlZVxuIik7Cj4gKwkJCXJldHVybiAtRUlOVkFMOwo+ICsJCX0KPiAr Cj4gKwkJaWYgKHJzdl9zdGFydCA9PSBzdGFydCAmJiByc3Zfc2l6ZSA9PSBzaXplKSB7Cj4gKwkJ CXJldCA9IGZkdF9kZWxfbWVtX3JzdihmZHQsIGkpOwo+ICsJCQlpZiAocmV0KSB7Cj4gKwkJCQlw cl9lcnIoIkVycm9yIGRlbGV0aW5nIGRldmljZSB0cmVlIHJlc2VydmF0aW9uXG4iKTsKPiArCQkJ CXJldHVybiAtRUlOVkFMOwo+ICsJCQl9Cj4gKwo+ICsJCQlyZXR1cm4gMDsKPiArCQl9Cj4gKwl9 Cj4gKwo+ICsJcmV0dXJuIC1FTk9FTlQ7Cj4gK30KPiArCj4gKy8qKgo+ICsgKiByZW1vdmVfaW1h X2J1ZmZlciAtIHJlbW92ZSB0aGUgSU1BIGJ1ZmZlciBwcm9wZXJ0eSBhbmQgcmVzZXJ2YXRpb24K PiArICogQGZkdCAtIHBvaW50ZXIgdGhlIGZkdC4KPiArICogQGNob3Nlbl9ub2RlIC0gbm9kZSB1 bmRlciB3aGljaCBwcm9wZXJ0eSBjYW4gYmUgZm91bmQuCj4gKyAqIAo+ICsgKiBUaGUgSU1BIG1l YXN1cmVtZW50IGJ1ZmZlciBpcyBlaXRoZXIgcmVhZCBieSBub3cgYW5kIGZyZWVlZCBvciBhIGtl eGVjIGNhbGwKPiArICogbmVlZHMgdG8gcmVwbGFjZSB0aGUgaW1hIG1lYXN1cmVtZW50IGJ1ZmZl ciwgY2xlYXIgdGhlIHByb3BlcnR5IGFuZCBtZW1vcnkKPiArICogcmVzZXJ2YXRpb24uCj4gKyAq Lwo+ICt2b2lkIHJlbW92ZV9pbWFfYnVmZmVyKHZvaWQgKmZkdCwgaW50IGNob3Nlbl9ub2RlKQo+ ICt7Cj4gKwlpbnQgcmV0LCBsZW47Cj4gKwljb25zdCB2b2lkICpwcm9wOwo+ICsJdWludDY0X3Qg dG1wX3N0YXJ0LCB0bXBfZW5kOwo+ICsKPiArCXByb3AgPSBmZHRfZ2V0cHJvcChmZHQsIGNob3Nl bl9ub2RlLCAibGludXgsaW1hLWtleGVjLWJ1ZmZlciIsICZsZW4pOwo+ICsJaWYgKHByb3ApIHsK PiArCQl0bXBfc3RhcnQgPSBmZHQ2NF90b19jcHUoKigoY29uc3QgZmR0NjRfdCAqKSBwcm9wKSk7 Cj4gKwo+ICsJCXByb3AgPSBmZHRfZ2V0cHJvcChmZHQsIGNob3Nlbl9ub2RlLAo+ICsJCQkJICAg ImxpbnV4LGltYS1rZXhlYy1idWZmZXItZW5kIiwgJmxlbik7Cj4gKwkJaWYgKCFwcm9wKQo+ICsJ CQlyZXR1cm47Cj4gKwo+ICsJCXRtcF9lbmQgPSBmZHQ2NF90b19jcHUoKigoY29uc3QgZmR0NjRf dCAqKSBwcm9wKSk7Cj4gKwo+ICsJCXJldCA9IGRlbGV0ZV9mZHRfbWVtX3JzdihmZHQsIHRtcF9z dGFydCwgdG1wX2VuZCAtIHRtcF9zdGFydCk7Cj4gKwo+ICsJCWlmIChyZXQgPT0gMCkKPiArCQkJ cHJfZGVidWcoIlJlbW92ZWQgb2xkIElNQSBidWZmZXIgcmVzZXJ2YXRpb24uXG4iKTsKPiArCQll bHNlIGlmIChyZXQgIT0gLUVOT0VOVCkKPiArCQkJcmV0dXJuOwo+ICsKPiArCQlmZHRfZGVscHJv cChmZHQsIGNob3Nlbl9ub2RlLCAibGludXgsaW1hLWtleGVjLWJ1ZmZlciIpOwo+ICsJCWZkdF9k ZWxwcm9wKGZkdCwgY2hvc2VuX25vZGUsICJsaW51eCxpbWEta2V4ZWMtYnVmZmVyLWVuZCIpOwo+ ICsJfQo+ICt9Cj4gKwo+ICsvKioKPiArICogaW1hX2dldF9rZXhlY19idWZmZXIgLSBnZXQgSU1B IGJ1ZmZlciBmcm9tIHRoZSBwcmV2aW91cyBrZXJuZWwKPiArICogQGFkZHI6CU9uIHN1Y2Nlc3Nm dWwgcmV0dXJuLCBzZXQgdG8gcG9pbnQgdG8gdGhlIGJ1ZmZlciBjb250ZW50cy4KPiArICogQHNp emU6CU9uIHN1Y2Nlc3NmdWwgcmV0dXJuLCBzZXQgdG8gdGhlIGJ1ZmZlciBzaXplLgo+ICsgKgo+ ICsgKiBSZXR1cm46IDAgb24gc3VjY2VzcywgbmVnYXRpdmUgZXJybm8gb24gZXJyb3IuCj4gKyAq Lwo+ICtpbnQgaW1hX2dldF9rZXhlY19idWZmZXIodm9pZCAqKmFkZHIsIHNpemVfdCAqc2l6ZSkK PiArewo+ICsJaW50IGxlbjsKPiArCWNvbnN0IHZvaWQgKnByb3A7Cj4gKwl1aW50NjRfdCB0bXBf c3RhcnQsIHRtcF9lbmQ7Cj4gKwo+ICsJcHJvcCA9IG9mX2dldF9wcm9wZXJ0eShvZl9jaG9zZW4s ICJsaW51eCxpbWEta2V4ZWMtYnVmZmVyIiwgJmxlbik7Cj4gKwlpZiAoIXByb3ApCj4gKwkJcmV0 dXJuIC1FTk9FTlQ7Cj4gKwo+ICsJdG1wX3N0YXJ0ID0gZmR0NjRfdG9fY3B1KCooKGNvbnN0IGZk dDY0X3QgKikgcHJvcCkpOwo+ICsKPiArCXByb3AgPSBvZl9nZXRfcHJvcGVydHkob2ZfY2hvc2Vu LCAibGludXgsaW1hLWtleGVjLWJ1ZmZlci1lbmQiLCAmbGVuKTsKPiArCWlmICghcHJvcCkKPiAr CQlyZXR1cm4gLUVOT0VOVDsKPiArCj4gKwl0bXBfZW5kID0gZmR0NjRfdG9fY3B1KCooKGNvbnN0 IGZkdDY0X3QgKikgcHJvcCkpOwo+ICsKPiArCSphZGRyID0gX192YSh0bXBfc3RhcnQpOwo+ICsJ KnNpemUgPSB0bXBfZW5kIC0gdG1wX3N0YXJ0Owo+ICsKPiArCXJldHVybiAwOwo+ICt9Cj4gKwo+ ICsvKioKPiArICogaW1hX2ZyZWVfa2V4ZWNfYnVmZmVyIC0gZnJlZSBtZW1vcnkgdXNlZCBieSB0 aGUgSU1BIGJ1ZmZlcgo+ICsgKgo+ICsgKiBSZXR1cm46IDAgb24gc3VjY2VzcywgbmVnYXRpdmUg ZXJybm8gb24gZXJyb3IuCj4gKyAqLwo+ICtpbnQgaW1hX2ZyZWVfa2V4ZWNfYnVmZmVyKHZvaWQp Cj4gK3sKPiArCWludCByZXQ7Cj4gKwl2b2lkICpwcm9wU3RhcnQsICpwcm9wRW5kOwoKSXMgdGhl cmUgYSByZWFzb24gZm9yIHVzaW5nIG1peGVkIGNhc2UgdmFyaWFibGVzPyDCoFdoeSBkb2VzIHRo ZQp2YXJpYWJsZSBuZWVkIHRvIGJlIHByZWZpeGVkIHdpdGggInByb3AiPyDCoFdvdWxkbid0IGlt YV9zdGFydC9fc3RvcCwKwqBidWZmZXJfc3RhcnQvX3N0b3AsIG9yIGV2ZW4gYnVmX3N0YXJ0L19z dG9wIGJlIGZpbmU/Cgo+ICsJdWludDY0X3QgdG1wX3N0YXJ0LCB0bXBfZW5kOwo+ICsKPiArCXBy b3BTdGFydCA9IG9mX2ZpbmRfcHJvcGVydHkob2ZfY2hvc2VuLCAibGludXgsaW1hLWtleGVjLWJ1 ZmZlciIsCj4gKwkJCQkgICAgIE5VTEwpOwo+ICsJaWYgKHByb3BTdGFydCkgewo+ICsJCXRtcF9z dGFydCA9IGZkdDY0X3RvX2NwdSgqKChjb25zdCBmZHQ2NF90ICopIHByb3BTdGFydCkpOwo+ICsJ CXJldCA9IG9mX3JlbW92ZV9wcm9wZXJ0eShvZl9jaG9zZW4sIHByb3BTdGFydCk7Cj4gKwkJaWYg KCFyZXQpIHsKPiArCQkJcmV0dXJuIHJldDsKPiArCQl9Cj4gKwo+ICsJCXByb3BFbmQgPSBvZl9m aW5kX3Byb3BlcnR5KG9mX2Nob3NlbiwKPiArCQkJCQkgICAibGludXgsaW1hLWtleGVjLWJ1ZmZl ci1lbmQiLCBOVUxMKTsKPiArCQlpZiAoIXByb3BFbmQpIHsKPiArCQkJcmV0dXJuIC1FSU5WQUw7 Cj4gKwkJfQo+ICsKPiArCQl0bXBfZW5kID0gZmR0NjRfdG9fY3B1KCooKGNvbnN0IGZkdDY0X3Qg KikgcHJvcEVuZCkpOwo+ICsKPiArCQlyZXQgPSBvZl9yZW1vdmVfcHJvcGVydHkob2ZfY2hvc2Vu LCBwcm9wRW5kKTsKPiArCQlpZiAoIXJldCkgewo+ICsJCQlyZXR1cm4gcmV0Owo+ICsJCX0KClRo ZXJlIHNlZW1zIHRvIGJlIHF1aXRlIGEgYml0IG9mIGNvZGUgZHVwbGljYXRpb24gaW4gdGhpcyBm dW5jdGlvbiBhbmQKaW7CoGltYV9nZXRfa2V4ZWNfYnVmZmVyKCkuIMKgSXQgY291bGQgcHJvYmFi bHkgYmUgY2xlYW5lZCB1cCB3aXRoIHNvbWUKcmVmYWN0b3JpbmcuCgpNaW1pCgo+ICsKPiArCQly ZXR1cm4gbWVtYmxvY2tfZnJlZSh0bXBfc3RhcnQsIHRtcF9lbmQgLSB0bXBfc3RhcnQpOwo+ICsJ fQo+ICsJcmV0dXJuIDA7Cj4gK30KPiArCj4gKyNpZmRlZiBDT05GSUdfSU1BX0tFWEVDCj4gKy8q Kgo+ICsgKiBhcmNoX2ltYV9hZGRfa2V4ZWNfYnVmZmVyIC0gZG8gYXJjaC1zcGVjaWZpYyBzdGVw cyB0byBhZGQgdGhlIElNQQo+ICsgKiAJbWVhc3VyZW1lbnQgbG9nLgo+ICsgKiBAaW1hZ2U6IC0g cG9pbnRlciB0byB0aGUga2ltYWdlLCB0byBzdG9yZSB0aGUgYWRkcmVzcyBhbmQgc2l6ZSBvZiB0 aGUgCj4gKyAqCSBJTUEgbWVhc3VyZW1lbnQgbG9nLgo+ICsgKiBAbG9hZF9hZGRyOiAtIHRoZSBh ZGRyZXNzIHdoZXJlIHRoZSBJTUEgbWVhc3VyZW1lbnQgbG9nIGlzIHN0b3JlZC4KPiArICogQHNp emUgLSBzaXplIG9mIHRoZSBJTUEgbWVhc3VyZW1lbnQgbG9nLgo+ICsgKiAKPiArICogUmV0dXJu OiAwIG9uIHN1Y2Nlc3MsIG5lZ2F0aXZlIGVycm5vIG9uIGVycm9yLgo+ICsgKi8KPiAraW50IGFy Y2hfaW1hX2FkZF9rZXhlY19idWZmZXIoc3RydWN0IGtpbWFnZSAqaW1hZ2UsIHVuc2lnbmVkIGxv bmcgbG9hZF9hZGRyLAo+ICsJCQkgICAgICBzaXplX3Qgc2l6ZSkKPiArewo+ICsJaW1hZ2UtPmFy Y2guaW1hX2J1ZmZlcl9hZGRyID0gbG9hZF9hZGRyOwo+ICsJaW1hZ2UtPmFyY2guaW1hX2J1ZmZl cl9zaXplID0gc2l6ZTsKPiArCXJldHVybiAwOwo+ICt9Cj4gKwo+ICsvKioKPiArICogc2V0dXBf aW1hX2J1ZmZlciAtIHVwZGF0ZSB0aGUgZmR0IHRvIGNvbnRhaW4gdGhlIGltYSBtZXNhc3VyZW1l bnQgbG9nCj4gKyAqIEBpbWFnZTogLSBwb2ludGVyIHRvIHRoZSBraW1hZ2UsIGNvbnRhaW5pbmcg dGhlIGFkZHJlc3MgYW5kIHNpemUgb2YKPiArICoJICAgICB0aGUgSU1BIG1lYXN1cmVtZW50IGxv Zy4KPiArICogQGZkdDogLSBwb2ludGVyIHRvIHRoZSBmZHQuCj4gKyAqIEBjaG9zZW5fbm9kZTog LSBub2RlIHVuZGVyIHdoaWNoIHByb3BlcnR5IGlzIHRvIGJlIGRlZmluZWQuCj4gKyAqICAKPiAr ICogUmV0dXJuOiAwIG9uIHN1Y2Nlc3MsIG5lZ2F0aXZlIGVycm5vIG9uIGVycm9yLgo+ICsgKi8K PiAraW50IHNldHVwX2ltYV9idWZmZXIoY29uc3Qgc3RydWN0IGtpbWFnZSAqaW1hZ2UsIHZvaWQg KmZkdCwgaW50IGNob3Nlbl9ub2RlKQo+ICt7Cj4gKwlpbnQgcmV0Owo+ICsKPiArCXJlbW92ZV9p bWFfYnVmZmVyKGZkdCwgY2hvc2VuX25vZGUpOwo+ICsKPiArCWlmICghaW1hZ2UtPmFyY2guaW1h X2J1ZmZlcl9zaXplKQo+ICsJCXJldHVybiAwOwo+ICsKPiArCXJldCA9IGZkdF9zZXRwcm9wX3U2 NChmZHQsIGNob3Nlbl9ub2RlLCAibGludXgsaW1hLWtleGVjLWJ1ZmZlciIsCj4gKwkJCSAgICAg IGltYWdlLT5hcmNoLmltYV9idWZmZXJfYWRkcik7Cj4gKwlpZiAocmV0IDwgMCkKPiArCQlyZXR1 cm4gcmV0Owo+ICsKPiArCXJldCA9IGZkdF9zZXRwcm9wX3U2NChmZHQsIGNob3Nlbl9ub2RlLCAi bGludXgsaW1hLWtleGVjLWJ1ZmZlci1lbmQiLAo+ICsJCQkgICAgICBpbWFnZS0+YXJjaC5pbWFf YnVmZmVyX2FkZHIgKwo+ICsJCQkgICAgICBpbWFnZS0+YXJjaC5pbWFfYnVmZmVyX3NpemUpOwo+ ICsJaWYgKHJldCA8IDApCj4gKwkJcmV0dXJuIHJldDsKPiArCj4gKwlyZXQgPSBmZHRfYWRkX21l bV9yc3YoZmR0LCBpbWFnZS0+YXJjaC5pbWFfYnVmZmVyX2FkZHIsCj4gKwkJCSAgICAgIGltYWdl LT5hcmNoLmltYV9idWZmZXJfc2l6ZSk7Cj4gKwlpZiAocmV0IDwgMCkKPiArCQlyZXR1cm4gcmV0 Owo+ICsKPiArCXJldHVybiAwOwo+ICt9Cj4gKyNlbmRpZiAvKiBDT05GSUdfSU1BX0tFWEVDICov Cj4gZGlmZiAtLWdpdCBhL2FyY2gvYXJtNjQva2VybmVsL21hY2hpbmVfa2V4ZWNfZmlsZS5jIGIv YXJjaC9hcm02NC9rZXJuZWwvbWFjaGluZV9rZXhlY19maWxlLmMKPiBpbmRleCA1ODg3MTMzMzcz N2EuLmRlNTQ1MjUzOWM2NyAxMDA2NDQKPiAtLS0gYS9hcmNoL2FybTY0L2tlcm5lbC9tYWNoaW5l X2tleGVjX2ZpbGUuYwo+ICsrKyBiL2FyY2gvYXJtNjQva2VybmVsL21hY2hpbmVfa2V4ZWNfZmls ZS5jCj4gQEAgLTIxLDYgKzIxLDcgQEAKPiAgI2luY2x1ZGUgPGxpbnV4L3R5cGVzLmg+Cj4gICNp bmNsdWRlIDxsaW51eC92bWFsbG9jLmg+Cj4gICNpbmNsdWRlIDxhc20vYnl0ZW9yZGVyLmg+Cj4g KyNpbmNsdWRlIDxhc20vaW1hLmg+Cj4gIAo+ICAvKiByZWxldmFudCBkZXZpY2UgdHJlZSBwcm9w ZXJ0aWVzICovCj4gICNkZWZpbmUgRkRUX1BST1BfSU5JVFJEX1NUQVJUCSJsaW51eCxpbml0cmQt c3RhcnQiCj4gQEAgLTg1LDYgKzg2LDExIEBAIHN0YXRpYyBpbnQgc2V0dXBfZHRiKHN0cnVjdCBr aW1hZ2UgKmltYWdlLAo+ICAJCQlnb3RvIG91dDsKPiAgCX0KPiAgCj4gKwkvKiBhZGQgaW1hIG1l YXN1cmVtbmV0IGxvZyBidWZmZXIgKi8KPiArCXJldCA9IHNldHVwX2ltYV9idWZmZXIoaW1hZ2Us IGR0Yiwgb2ZmKTsKPiArCWlmIChyZXQpCj4gKwkJZ290byBvdXQ7Cj4gKwo+ICAJLyogYWRkIGth c2xyLXNlZWQgKi8KPiAgCXJldCA9IGZkdF9kZWxwcm9wKGR0Yiwgb2ZmLCBGRFRfUFJPUF9LQVNM Ul9TRUVEKTsKPiAgCWlmICAocmV0ID09IC1GRFRfRVJSX05PVEZPVU5EKQoKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmtleGVjIG1haWxpbmcgbGlzdApr ZXhlY0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxt YW4vbGlzdGluZm8va2V4ZWMK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10DABC4CECE for ; Wed, 18 Sep 2019 14:15:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D1CA421907 for ; Wed, 18 Sep 2019 14:15:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726038AbfIROPa (ORCPT ); Wed, 18 Sep 2019 10:15:30 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:29314 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726671AbfIROP3 (ORCPT ); Wed, 18 Sep 2019 10:15:29 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x8IE8Njg035372 for ; Wed, 18 Sep 2019 10:15:26 -0400 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2v3kcuxjk5-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 18 Sep 2019 10:15:26 -0400 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 18 Sep 2019 15:15:23 +0100 Received: from b06cxnps3074.portsmouth.uk.ibm.com (9.149.109.194) by e06smtp07.uk.ibm.com (192.168.101.137) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 18 Sep 2019 15:15:18 +0100 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x8IEFG6F51511340 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 18 Sep 2019 14:15:17 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 79F3EAE045; Wed, 18 Sep 2019 14:15:15 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3B117AE064; Wed, 18 Sep 2019 14:15:12 +0000 (GMT) Received: from localhost.localdomain (unknown [9.85.196.20]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 18 Sep 2019 14:15:12 +0000 (GMT) Subject: Re: [RFC PATCH v1 1/1] Add support for arm64 to carry ima measurement log in kexec_file_load From: Mimi Zohar To: Prakhar Srivastava , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-integrity@vger.kernel.org, kexec@lists.infradead.org Cc: arnd@arndb.de, jean-philippe@linaro.org, allison@lohutok.net, kristina.martsenko@arm.org, yamada.masahiro@socionext.com, duwe@lst.de, mark.rutland@arm.com, tglx@linutronix.de, takahiro.akashi@linaro.org, james.morse@arm.org, catalin.marinas@arm.com, sboyd@kernel.org, bauerman@linux.ibm.com Date: Wed, 18 Sep 2019 10:15:11 -0400 In-Reply-To: <20190913225009.3406-2-prsriva@linux.microsoft.com> References: <20190913225009.3406-1-prsriva@linux.microsoft.com> <20190913225009.3406-2-prsriva@linux.microsoft.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.20.5 (3.20.5-1.fc24) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19091814-0028-0000-0000-0000039F8474 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19091814-0029-0000-0000-00002461883F Message-Id: <1568816111.16709.68.camel@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-09-18_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909180142 Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org Hi Prahkar, On Fri, 2019-09-13 at 15:50 -0700, Prakhar Srivastava wrote: > During kexec_file_load, carrying forward the ima measurement log allows > a verifying party to get the entire runtime event log since the last > full reboot since that is when PCRs were last reset. > > Signed-off-by: Prakhar Srivastava Missing is the Changelog between versions.  (v1 has now been posted 3 times.) There's a number of trailing whitespaces, blanks before tabs, and other warnings.  Please use scripts/checkpatch.pl before posting patches. > --- > arch/arm64/Kconfig | 7 + > arch/arm64/include/asm/ima.h | 29 ++++ > arch/arm64/include/asm/kexec.h | 5 + > arch/arm64/kernel/Makefile | 3 +- > arch/arm64/kernel/ima_kexec.c | 213 +++++++++++++++++++++++++ > arch/arm64/kernel/machine_kexec_file.c | 6 + > 6 files changed, 262 insertions(+), 1 deletion(-) > create mode 100644 arch/arm64/include/asm/ima.h > create mode 100644 arch/arm64/kernel/ima_kexec.c > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 3adcec05b1f6..f39b12dbf9e8 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -976,6 +976,13 @@ config KEXEC_VERIFY_SIG > verification for the corresponding kernel image type being > loaded in order for this to work. > > +config HAVE_IMA_KEXEC > + bool "Carry over IMA measurement log during kexec_file_load() syscall" > + depends on KEXEC_FILE > + help > + Select this option to carry over IMA measurement log during > + kexec_file_load. > + > config KEXEC_IMAGE_VERIFY_SIG > bool "Enable Image signature verification support" > default y > diff --git a/arch/arm64/include/asm/ima.h b/arch/arm64/include/asm/ima.h > new file mode 100644 > index 000000000000..e23cee84729f > --- /dev/null > +++ b/arch/arm64/include/asm/ima.h > @@ -0,0 +1,29 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +#ifndef _ASM_ARM64_IMA_H > +#define _ASM_ARM64_IMA_H > + > +struct kimage; > + > +int ima_get_kexec_buffer(void **addr, size_t *size); > +int ima_free_kexec_buffer(void); > + > +#ifdef CONFIG_IMA > +void remove_ima_buffer(void *fdt, int chosen_node); > +#else > +static inline void remove_ima_buffer(void *fdt, int chosen_node) {} > +#endif > + > +#ifdef CONFIG_IMA_KEXEC > +int arch_ima_add_kexec_buffer(struct kimage *image, unsigned long load_addr, > + size_t size); > + > +int setup_ima_buffer(const struct kimage *image, void *fdt, int chosen_node); > +#else > +static inline int setup_ima_buffer(const struct kimage *image, void *fdt, > + int chosen_node) > +{ > + remove_ima_buffer(fdt, chosen_node); > + return 0; > +} > +#endif /* CONFIG_IMA_KEXEC */ > +#endif /* _ASM_ARM64_IMA_H */ > diff --git a/arch/arm64/include/asm/kexec.h b/arch/arm64/include/asm/kexec.h > index 12a561a54128..e8d2412066e7 100644 > --- a/arch/arm64/include/asm/kexec.h > +++ b/arch/arm64/include/asm/kexec.h > @@ -96,6 +96,11 @@ static inline void crash_post_resume(void) {} > struct kimage_arch { > void *dtb; > unsigned long dtb_mem; > + > +#ifdef CONFIG_IMA_KEXEC > + phys_addr_t ima_buffer_addr; > + size_t ima_buffer_size; > +#endif > }; > > extern const struct kexec_file_ops kexec_image_ops; > diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile > index 478491f07b4f..580238f2e9a7 100644 > --- a/arch/arm64/kernel/Makefile > +++ b/arch/arm64/kernel/Makefile > @@ -55,7 +55,8 @@ obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o > obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate-asm.o > obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o \ > cpu-reset.o > -obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o > +obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o \ > + ima_kexec.o The kernel may be built with/without IMA enabled or without IMA_KEXEC support.  Here you're requiring both IMA and IMA_KEXEC to be configured.  Please refer to the powerpc example. > obj-$(CONFIG_ARM64_RELOC_TEST) += arm64-reloc-test.o > arm64-reloc-test-y := reloc_test_core.o reloc_test_syms.o > obj-$(CONFIG_CRASH_DUMP) += crash_dump.o > diff --git a/arch/arm64/kernel/ima_kexec.c b/arch/arm64/kernel/ima_kexec.c > new file mode 100644 > index 000000000000..b14326d541f3 > --- /dev/null > +++ b/arch/arm64/kernel/ima_kexec.c > @@ -0,0 +1,213 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (C) 2019 Microsoft Corporation. > + * > + * Authors: > + * Prakhar Srivastava > + */ > + > +#include > +#include > +#include > +#include > +#include > + > + Extraneous blank line. > +/** > + * delete_fdt_mem_rsv - delete memory reservation with given address and size > + * @fdt - pointer to the fdt. > + * @start - start address of the memory. > + * @size - number of cells to be deletd. > + * > + * Return: 0 on success, or negative errno on error. > + */ > +int delete_fdt_mem_rsv(void *fdt, unsigned long start, unsigned long size) > +{ > + int i, ret, num_rsvs = fdt_num_mem_rsv(fdt); > + > + for (i = 0; i < num_rsvs; i++) { > + uint64_t rsv_start, rsv_size; > + > + ret = fdt_get_mem_rsv(fdt, i, &rsv_start, &rsv_size); > + if (ret) { > + pr_err("Malformed device tree\n"); > + return -EINVAL; > + } > + > + if (rsv_start == start && rsv_size == size) { > + ret = fdt_del_mem_rsv(fdt, i); > + if (ret) { > + pr_err("Error deleting device tree reservation\n"); > + return -EINVAL; > + } > + > + return 0; > + } > + } > + > + return -ENOENT; > +} > + > +/** > + * remove_ima_buffer - remove the IMA buffer property and reservation > + * @fdt - pointer the fdt. > + * @chosen_node - node under which property can be found. > + * > + * The IMA measurement buffer is either read by now and freeed or a kexec call > + * needs to replace the ima measurement buffer, clear the property and memory > + * reservation. > + */ > +void remove_ima_buffer(void *fdt, int chosen_node) > +{ > + int ret, len; > + const void *prop; > + uint64_t tmp_start, tmp_end; > + > + prop = fdt_getprop(fdt, chosen_node, "linux,ima-kexec-buffer", &len); > + if (prop) { > + tmp_start = fdt64_to_cpu(*((const fdt64_t *) prop)); > + > + prop = fdt_getprop(fdt, chosen_node, > + "linux,ima-kexec-buffer-end", &len); > + if (!prop) > + return; > + > + tmp_end = fdt64_to_cpu(*((const fdt64_t *) prop)); > + > + ret = delete_fdt_mem_rsv(fdt, tmp_start, tmp_end - tmp_start); > + > + if (ret == 0) > + pr_debug("Removed old IMA buffer reservation.\n"); > + else if (ret != -ENOENT) > + return; > + > + fdt_delprop(fdt, chosen_node, "linux,ima-kexec-buffer"); > + fdt_delprop(fdt, chosen_node, "linux,ima-kexec-buffer-end"); > + } > +} > + > +/** > + * ima_get_kexec_buffer - get IMA buffer from the previous kernel > + * @addr: On successful return, set to point to the buffer contents. > + * @size: On successful return, set to the buffer size. > + * > + * Return: 0 on success, negative errno on error. > + */ > +int ima_get_kexec_buffer(void **addr, size_t *size) > +{ > + int len; > + const void *prop; > + uint64_t tmp_start, tmp_end; > + > + prop = of_get_property(of_chosen, "linux,ima-kexec-buffer", &len); > + if (!prop) > + return -ENOENT; > + > + tmp_start = fdt64_to_cpu(*((const fdt64_t *) prop)); > + > + prop = of_get_property(of_chosen, "linux,ima-kexec-buffer-end", &len); > + if (!prop) > + return -ENOENT; > + > + tmp_end = fdt64_to_cpu(*((const fdt64_t *) prop)); > + > + *addr = __va(tmp_start); > + *size = tmp_end - tmp_start; > + > + return 0; > +} > + > +/** > + * ima_free_kexec_buffer - free memory used by the IMA buffer > + * > + * Return: 0 on success, negative errno on error. > + */ > +int ima_free_kexec_buffer(void) > +{ > + int ret; > + void *propStart, *propEnd; Is there a reason for using mixed case variables?  Why does the variable need to be prefixed with "prop"?  Wouldn't ima_start/_stop,  buffer_start/_stop, or even buf_start/_stop be fine? > + uint64_t tmp_start, tmp_end; > + > + propStart = of_find_property(of_chosen, "linux,ima-kexec-buffer", > + NULL); > + if (propStart) { > + tmp_start = fdt64_to_cpu(*((const fdt64_t *) propStart)); > + ret = of_remove_property(of_chosen, propStart); > + if (!ret) { > + return ret; > + } > + > + propEnd = of_find_property(of_chosen, > + "linux,ima-kexec-buffer-end", NULL); > + if (!propEnd) { > + return -EINVAL; > + } > + > + tmp_end = fdt64_to_cpu(*((const fdt64_t *) propEnd)); > + > + ret = of_remove_property(of_chosen, propEnd); > + if (!ret) { > + return ret; > + } There seems to be quite a bit of code duplication in this function and in ima_get_kexec_buffer().  It could probably be cleaned up with some refactoring. Mimi > + > + return memblock_free(tmp_start, tmp_end - tmp_start); > + } > + return 0; > +} > + > +#ifdef CONFIG_IMA_KEXEC > +/** > + * arch_ima_add_kexec_buffer - do arch-specific steps to add the IMA > + * measurement log. > + * @image: - pointer to the kimage, to store the address and size of the > + * IMA measurement log. > + * @load_addr: - the address where the IMA measurement log is stored. > + * @size - size of the IMA measurement log. > + * > + * Return: 0 on success, negative errno on error. > + */ > +int arch_ima_add_kexec_buffer(struct kimage *image, unsigned long load_addr, > + size_t size) > +{ > + image->arch.ima_buffer_addr = load_addr; > + image->arch.ima_buffer_size = size; > + return 0; > +} > + > +/** > + * setup_ima_buffer - update the fdt to contain the ima mesasurement log > + * @image: - pointer to the kimage, containing the address and size of > + * the IMA measurement log. > + * @fdt: - pointer to the fdt. > + * @chosen_node: - node under which property is to be defined. > + * > + * Return: 0 on success, negative errno on error. > + */ > +int setup_ima_buffer(const struct kimage *image, void *fdt, int chosen_node) > +{ > + int ret; > + > + remove_ima_buffer(fdt, chosen_node); > + > + if (!image->arch.ima_buffer_size) > + return 0; > + > + ret = fdt_setprop_u64(fdt, chosen_node, "linux,ima-kexec-buffer", > + image->arch.ima_buffer_addr); > + if (ret < 0) > + return ret; > + > + ret = fdt_setprop_u64(fdt, chosen_node, "linux,ima-kexec-buffer-end", > + image->arch.ima_buffer_addr + > + image->arch.ima_buffer_size); > + if (ret < 0) > + return ret; > + > + ret = fdt_add_mem_rsv(fdt, image->arch.ima_buffer_addr, > + image->arch.ima_buffer_size); > + if (ret < 0) > + return ret; > + > + return 0; > +} > +#endif /* CONFIG_IMA_KEXEC */ > diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c > index 58871333737a..de5452539c67 100644 > --- a/arch/arm64/kernel/machine_kexec_file.c > +++ b/arch/arm64/kernel/machine_kexec_file.c > @@ -21,6 +21,7 @@ > #include > #include > #include > +#include > > /* relevant device tree properties */ > #define FDT_PROP_INITRD_START "linux,initrd-start" > @@ -85,6 +86,11 @@ static int setup_dtb(struct kimage *image, > goto out; > } > > + /* add ima measuremnet log buffer */ > + ret = setup_ima_buffer(image, dtb, off); > + if (ret) > + goto out; > + > /* add kaslr-seed */ > ret = fdt_delprop(dtb, off, FDT_PROP_KASLR_SEED); > if (ret == -FDT_ERR_NOTFOUND) From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56639C4CEC4 for ; Wed, 18 Sep 2019 14:15:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2540C218AF for ; Wed, 18 Sep 2019 14:15:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="G36+Fyiv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2540C218AF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Message-Id:Mime-Version:References: In-Reply-To:Date:To:From:Subject:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MlASTHe4YxDm7tUKN6yx0d31xo/uzuygb7KgNc/Tbv0=; b=G36+FyivvwjczP wiaqpBnX42It06bSiuS+flqyU03PqVKFbu20EY1Hh3R1UGhRI+YN0CP0Gr7/xRXl/GPHK2IG7cx+9 1eYBhhzzdnbL9JnFx0dT6K7EflKBv2zHfMyVm3RtxYhtoEQb0Ajr6yzLOa3by05Z+Aj0ZpwdMN7KK Z7CWUEMtLKDXxcyDgwSE+TJUkHuDFQDukJw7nKcF64ov6vVVnZDVaU/oqK5hQ9haI3fPqqpuDcq7r 8ALJqlFJgmXhShOZidlGjcg8rMc4fEYPptDWeFb+bYjuSyHQLQS+LrFg4SfLLYBtNse0DRy2AzD7x rEs1Ayg99q0/tGBbombg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAak2-0004Ic-Mr; Wed, 18 Sep 2019 14:15:34 +0000 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAajw-0004H6-2h for linux-arm-kernel@lists.infradead.org; Wed, 18 Sep 2019 14:15:29 +0000 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x8IE6v5G118435 for ; Wed, 18 Sep 2019 10:15:27 -0400 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2v3nwf8rn8-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 18 Sep 2019 10:15:26 -0400 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 18 Sep 2019 15:15:23 +0100 Received: from b06cxnps3074.portsmouth.uk.ibm.com (9.149.109.194) by e06smtp07.uk.ibm.com (192.168.101.137) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 18 Sep 2019 15:15:18 +0100 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x8IEFG6F51511340 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 18 Sep 2019 14:15:17 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 79F3EAE045; Wed, 18 Sep 2019 14:15:15 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3B117AE064; Wed, 18 Sep 2019 14:15:12 +0000 (GMT) Received: from localhost.localdomain (unknown [9.85.196.20]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 18 Sep 2019 14:15:12 +0000 (GMT) Subject: Re: [RFC PATCH v1 1/1] Add support for arm64 to carry ima measurement log in kexec_file_load From: Mimi Zohar To: Prakhar Srivastava , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-integrity@vger.kernel.org, kexec@lists.infradead.org Date: Wed, 18 Sep 2019 10:15:11 -0400 In-Reply-To: <20190913225009.3406-2-prsriva@linux.microsoft.com> References: <20190913225009.3406-1-prsriva@linux.microsoft.com> <20190913225009.3406-2-prsriva@linux.microsoft.com> X-Mailer: Evolution 3.20.5 (3.20.5-1.fc24) Mime-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19091814-0028-0000-0000-0000039F8474 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19091814-0029-0000-0000-00002461883F Message-Id: <1568816111.16709.68.camel@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-09-18_08:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909180142 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190918_071528_127390_62EEA955 X-CRM114-Status: GOOD ( 41.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, jean-philippe@linaro.org, arnd@arndb.de, takahiro.akashi@linaro.org, sboyd@kernel.org, catalin.marinas@arm.com, yamada.masahiro@socionext.com, kristina.martsenko@arm.org, duwe@lst.de, bauerman@linux.ibm.com, james.morse@arm.org, tglx@linutronix.de, allison@lohutok.net Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgUHJhaGthciwKCk9uIEZyaSwgMjAxOS0wOS0xMyBhdCAxNTo1MCAtMDcwMCwgUHJha2hhciBT cml2YXN0YXZhIHdyb3RlOgo+IER1cmluZyBrZXhlY19maWxlX2xvYWQsIGNhcnJ5aW5nIGZvcndh cmQgdGhlIGltYSBtZWFzdXJlbWVudCBsb2cgYWxsb3dzCj4gYSB2ZXJpZnlpbmcgcGFydHkgdG8g Z2V0IHRoZSBlbnRpcmUgcnVudGltZSBldmVudCBsb2cgc2luY2UgdGhlIGxhc3QKPiBmdWxsIHJl Ym9vdCBzaW5jZSB0aGF0IGlzIHdoZW4gUENScyB3ZXJlIGxhc3QgcmVzZXQuCj4gCj4gU2lnbmVk LW9mZi1ieTogUHJha2hhciBTcml2YXN0YXZhIDxwcnNyaXZhQGxpbnV4Lm1pY3Jvc29mdC5jb20+ CgpNaXNzaW5nIGlzIHRoZSBDaGFuZ2Vsb2cgYmV0d2VlbiB2ZXJzaW9ucy4gwqAodjEgaGFzIG5v dyBiZWVuIHBvc3RlZCAzCnRpbWVzLikKClRoZXJlJ3MgYSBudW1iZXIgb2YgdHJhaWxpbmcgd2hp dGVzcGFjZXMsIGJsYW5rcyBiZWZvcmUgdGFicywgYW5kCm90aGVyIHdhcm5pbmdzLiDCoFBsZWFz ZSB1c2Ugc2NyaXB0cy9jaGVja3BhdGNoLnBsIGJlZm9yZSBwb3N0aW5nCnBhdGNoZXMuCgoKPiAt LS0KPiAgYXJjaC9hcm02NC9LY29uZmlnICAgICAgICAgICAgICAgICAgICAgfCAgIDcgKwo+ICBh cmNoL2FybTY0L2luY2x1ZGUvYXNtL2ltYS5oICAgICAgICAgICB8ICAyOSArKysrCj4gIGFyY2gv YXJtNjQvaW5jbHVkZS9hc20va2V4ZWMuaCAgICAgICAgIHwgICA1ICsKPiAgYXJjaC9hcm02NC9r ZXJuZWwvTWFrZWZpbGUgICAgICAgICAgICAgfCAgIDMgKy0KPiAgYXJjaC9hcm02NC9rZXJuZWwv aW1hX2tleGVjLmMgICAgICAgICAgfCAyMTMgKysrKysrKysrKysrKysrKysrKysrKysrKwo+ICBh cmNoL2FybTY0L2tlcm5lbC9tYWNoaW5lX2tleGVjX2ZpbGUuYyB8ICAgNiArCj4gIDYgZmlsZXMg Y2hhbmdlZCwgMjYyIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPiAgY3JlYXRlIG1vZGUg MTAwNjQ0IGFyY2gvYXJtNjQvaW5jbHVkZS9hc20vaW1hLmgKPiAgY3JlYXRlIG1vZGUgMTAwNjQ0 IGFyY2gvYXJtNjQva2VybmVsL2ltYV9rZXhlYy5jCj4gCj4gZGlmZiAtLWdpdCBhL2FyY2gvYXJt NjQvS2NvbmZpZyBiL2FyY2gvYXJtNjQvS2NvbmZpZwo+IGluZGV4IDNhZGNlYzA1YjFmNi4uZjM5 YjEyZGJmOWU4IDEwMDY0NAo+IC0tLSBhL2FyY2gvYXJtNjQvS2NvbmZpZwo+ICsrKyBiL2FyY2gv YXJtNjQvS2NvbmZpZwo+IEBAIC05NzYsNiArOTc2LDEzIEBAIGNvbmZpZyBLRVhFQ19WRVJJRllf U0lHCj4gIAkgIHZlcmlmaWNhdGlvbiBmb3IgdGhlIGNvcnJlc3BvbmRpbmcga2VybmVsIGltYWdl IHR5cGUgYmVpbmcKPiAgCSAgbG9hZGVkIGluIG9yZGVyIGZvciB0aGlzIHRvIHdvcmsuCj4gIAo+ ICtjb25maWcgSEFWRV9JTUFfS0VYRUMKPiArCWJvb2wgIkNhcnJ5IG92ZXIgSU1BIG1lYXN1cmVt ZW50IGxvZyBkdXJpbmcga2V4ZWNfZmlsZV9sb2FkKCkgc3lzY2FsbCIKPiArCWRlcGVuZHMgb24g S0VYRUNfRklMRQo+ICsJaGVscAo+ICsJICBTZWxlY3QgdGhpcyBvcHRpb24gdG8gY2Fycnkgb3Zl ciBJTUEgbWVhc3VyZW1lbnQgbG9nIGR1cmluZwo+ICsJICBrZXhlY19maWxlX2xvYWQuCj4gKwo+ ICBjb25maWcgS0VYRUNfSU1BR0VfVkVSSUZZX1NJRwo+ICAJYm9vbCAiRW5hYmxlIEltYWdlIHNp Z25hdHVyZSB2ZXJpZmljYXRpb24gc3VwcG9ydCIKPiAgCWRlZmF1bHQgeQo+IGRpZmYgLS1naXQg YS9hcmNoL2FybTY0L2luY2x1ZGUvYXNtL2ltYS5oIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9p bWEuaAo+IG5ldyBmaWxlIG1vZGUgMTAwNjQ0Cj4gaW5kZXggMDAwMDAwMDAwMDAwLi5lMjNjZWU4 NDcyOWYKPiAtLS0gL2Rldi9udWxsCj4gKysrIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9pbWEu aAo+IEBAIC0wLDAgKzEsMjkgQEAKPiArLyogU1BEWC1MaWNlbnNlLUlkZW50aWZpZXI6IEdQTC0y LjAgKi8KPiArI2lmbmRlZiBfQVNNX0FSTTY0X0lNQV9ICj4gKyNkZWZpbmUgX0FTTV9BUk02NF9J TUFfSAo+ICsKPiArc3RydWN0IGtpbWFnZTsKPiArCj4gK2ludCBpbWFfZ2V0X2tleGVjX2J1ZmZl cih2b2lkICoqYWRkciwgc2l6ZV90ICpzaXplKTsKPiAraW50IGltYV9mcmVlX2tleGVjX2J1ZmZl cih2b2lkKTsKPiArCj4gKyNpZmRlZiBDT05GSUdfSU1BCj4gK3ZvaWQgcmVtb3ZlX2ltYV9idWZm ZXIodm9pZCAqZmR0LCBpbnQgY2hvc2VuX25vZGUpOwo+ICsjZWxzZQo+ICtzdGF0aWMgaW5saW5l IHZvaWQgcmVtb3ZlX2ltYV9idWZmZXIodm9pZCAqZmR0LCBpbnQgY2hvc2VuX25vZGUpIHt9Cj4g KyNlbmRpZgo+ICsKPiArI2lmZGVmIENPTkZJR19JTUFfS0VYRUMKPiAraW50IGFyY2hfaW1hX2Fk ZF9rZXhlY19idWZmZXIoc3RydWN0IGtpbWFnZSAqaW1hZ2UsIHVuc2lnbmVkIGxvbmcgbG9hZF9h ZGRyLAo+ICsJCQkgICAgICBzaXplX3Qgc2l6ZSk7Cj4gKwo+ICtpbnQgc2V0dXBfaW1hX2J1ZmZl cihjb25zdCBzdHJ1Y3Qga2ltYWdlICppbWFnZSwgdm9pZCAqZmR0LCBpbnQgY2hvc2VuX25vZGUp Owo+ICsjZWxzZQo+ICtzdGF0aWMgaW5saW5lIGludCBzZXR1cF9pbWFfYnVmZmVyKGNvbnN0IHN0 cnVjdCBraW1hZ2UgKmltYWdlLCB2b2lkICpmZHQsCj4gKwkJCQkgICBpbnQgY2hvc2VuX25vZGUp Cj4gK3sKPiArCXJlbW92ZV9pbWFfYnVmZmVyKGZkdCwgY2hvc2VuX25vZGUpOwo+ICsJcmV0dXJu IDA7Cj4gK30KPiArI2VuZGlmIC8qIENPTkZJR19JTUFfS0VYRUMgKi8KPiArI2VuZGlmIC8qIF9B U01fQVJNNjRfSU1BX0ggKi8KPiBkaWZmIC0tZ2l0IGEvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9r ZXhlYy5oIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9rZXhlYy5oCj4gaW5kZXggMTJhNTYxYTU0 MTI4Li5lOGQyNDEyMDY2ZTcgMTAwNjQ0Cj4gLS0tIGEvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9r ZXhlYy5oCj4gKysrIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9rZXhlYy5oCj4gQEAgLTk2LDYg Kzk2LDExIEBAIHN0YXRpYyBpbmxpbmUgdm9pZCBjcmFzaF9wb3N0X3Jlc3VtZSh2b2lkKSB7fQo+ ICBzdHJ1Y3Qga2ltYWdlX2FyY2ggewo+ICAJdm9pZCAqZHRiOwo+ICAJdW5zaWduZWQgbG9uZyBk dGJfbWVtOwo+ICsKPiArI2lmZGVmIENPTkZJR19JTUFfS0VYRUMKPiArCXBoeXNfYWRkcl90IGlt YV9idWZmZXJfYWRkcjsKPiArCXNpemVfdCBpbWFfYnVmZmVyX3NpemU7Cj4gKyNlbmRpZgo+ICB9 Owo+ICAKPiAgZXh0ZXJuIGNvbnN0IHN0cnVjdCBrZXhlY19maWxlX29wcyBrZXhlY19pbWFnZV9v cHM7Cj4gZGlmZiAtLWdpdCBhL2FyY2gvYXJtNjQva2VybmVsL01ha2VmaWxlIGIvYXJjaC9hcm02 NC9rZXJuZWwvTWFrZWZpbGUKPiBpbmRleCA0Nzg0OTFmMDdiNGYuLjU4MDIzOGYyZTlhNyAxMDA2 NDQKPiAtLS0gYS9hcmNoL2FybTY0L2tlcm5lbC9NYWtlZmlsZQo+ICsrKyBiL2FyY2gvYXJtNjQv a2VybmVsL01ha2VmaWxlCj4gQEAgLTU1LDcgKzU1LDggQEAgb2JqLSQoQ09ORklHX1JBTkRPTUla RV9CQVNFKQkJKz0ga2FzbHIubwo+ICBvYmotJChDT05GSUdfSElCRVJOQVRJT04pCQkrPSBoaWJl cm5hdGUubyBoaWJlcm5hdGUtYXNtLm8KPiAgb2JqLSQoQ09ORklHX0tFWEVDX0NPUkUpCQkrPSBt YWNoaW5lX2tleGVjLm8gcmVsb2NhdGVfa2VybmVsLm8JXAo+ICAJCQkJCSAgIGNwdS1yZXNldC5v Cj4gLW9iai0kKENPTkZJR19LRVhFQ19GSUxFKQkJKz0gbWFjaGluZV9rZXhlY19maWxlLm8ga2V4 ZWNfaW1hZ2Uubwo+ICtvYmotJChDT05GSUdfS0VYRUNfRklMRSkJCSs9IG1hY2hpbmVfa2V4ZWNf ZmlsZS5vIGtleGVjX2ltYWdlLm8JXAo+ICsJCQkJCSAgIGltYV9rZXhlYy5vCgpUaGUga2VybmVs IG1heSBiZSBidWlsdCB3aXRoL3dpdGhvdXQgSU1BIGVuYWJsZWQgb3Igd2l0aG91dCBJTUFfS0VY RUMKc3VwcG9ydC4gwqBIZXJlIHlvdSdyZSByZXF1aXJpbmcgYm90aCBJTUEgYW5kIElNQV9LRVhF QyB0byBiZQpjb25maWd1cmVkLiDCoFBsZWFzZSByZWZlciB0byB0aGUgcG93ZXJwYyBleGFtcGxl LgoKCj4gIG9iai0kKENPTkZJR19BUk02NF9SRUxPQ19URVNUKQkJKz0gYXJtNjQtcmVsb2MtdGVz dC5vCj4gIGFybTY0LXJlbG9jLXRlc3QteSA6PSByZWxvY190ZXN0X2NvcmUubyByZWxvY190ZXN0 X3N5bXMubwo+ICBvYmotJChDT05GSUdfQ1JBU0hfRFVNUCkJCSs9IGNyYXNoX2R1bXAubwo+IGRp ZmYgLS1naXQgYS9hcmNoL2FybTY0L2tlcm5lbC9pbWFfa2V4ZWMuYyBiL2FyY2gvYXJtNjQva2Vy bmVsL2ltYV9rZXhlYy5jCj4gbmV3IGZpbGUgbW9kZSAxMDA2NDQKPiBpbmRleCAwMDAwMDAwMDAw MDAuLmIxNDMyNmQ1NDFmMwo+IC0tLSAvZGV2L251bGwKPiArKysgYi9hcmNoL2FybTY0L2tlcm5l bC9pbWFfa2V4ZWMuYwo+IEBAIC0wLDAgKzEsMjEzIEBACj4gKy8vIFNQRFgtTGljZW5zZS1JZGVu dGlmaWVyOiBHUEwtMi4wCj4gKy8qCj4gKyAqIENvcHlyaWdodCAoQykgMjAxOSBNaWNyb3NvZnQg Q29ycG9yYXRpb24uCj4gKyAqCj4gKyAqIEF1dGhvcnM6Cj4gKyAqIFByYWtoYXIgU3JpdmFzdGF2 YSA8cHJzcml2YUBsaW51eC5taWNyb3NvZnQuY29tPgo+ICsgKi8KPiArCj4gKyNpbmNsdWRlIDxs aW51eC9zbGFiLmg+Cj4gKyNpbmNsdWRlIDxsaW51eC9rZXhlYy5oPgo+ICsjaW5jbHVkZSA8bGlu dXgvb2YuaD4KPiArI2luY2x1ZGUgPGxpbnV4L21lbWJsb2NrLmg+Cj4gKyNpbmNsdWRlIDxsaW51 eC9saWJmZHQuaD4KPiArCj4gKwoKRXh0cmFuZW91cyBibGFuayBsaW5lLgoKPiArLyoqCj4gKyAq IGRlbGV0ZV9mZHRfbWVtX3JzdiAtIGRlbGV0ZSBtZW1vcnkgcmVzZXJ2YXRpb24gd2l0aCBnaXZl biBhZGRyZXNzIGFuZCBzaXplCj4gKyAqIEBmZHQgLSBwb2ludGVyIHRvIHRoZSBmZHQuCj4gKyAq IEBzdGFydCAtIHN0YXJ0IGFkZHJlc3Mgb2YgdGhlIG1lbW9yeS4KPiArICogQHNpemUgLSBudW1i ZXIgb2YgY2VsbHMgdG8gYmUgZGVsZXRkLgo+ICsgKiAKPiArICogUmV0dXJuOiAwIG9uIHN1Y2Nl c3MsIG9yIG5lZ2F0aXZlIGVycm5vIG9uIGVycm9yLgo+ICsgKi8KPiAraW50IGRlbGV0ZV9mZHRf bWVtX3Jzdih2b2lkICpmZHQsIHVuc2lnbmVkIGxvbmcgc3RhcnQsIHVuc2lnbmVkIGxvbmcgc2l6 ZSkKPiArewo+ICsJaW50IGksIHJldCwgbnVtX3JzdnMgPSBmZHRfbnVtX21lbV9yc3YoZmR0KTsK PiArCj4gKwlmb3IgKGkgPSAwOyBpIDwgbnVtX3JzdnM7IGkrKykgewo+ICsJCXVpbnQ2NF90IHJz dl9zdGFydCwgcnN2X3NpemU7Cj4gKwo+ICsJCXJldCA9IGZkdF9nZXRfbWVtX3JzdihmZHQsIGks ICZyc3Zfc3RhcnQsICZyc3Zfc2l6ZSk7Cj4gKwkJaWYgKHJldCkgewo+ICsJCQlwcl9lcnIoIk1h bGZvcm1lZCBkZXZpY2UgdHJlZVxuIik7Cj4gKwkJCXJldHVybiAtRUlOVkFMOwo+ICsJCX0KPiAr Cj4gKwkJaWYgKHJzdl9zdGFydCA9PSBzdGFydCAmJiByc3Zfc2l6ZSA9PSBzaXplKSB7Cj4gKwkJ CXJldCA9IGZkdF9kZWxfbWVtX3JzdihmZHQsIGkpOwo+ICsJCQlpZiAocmV0KSB7Cj4gKwkJCQlw cl9lcnIoIkVycm9yIGRlbGV0aW5nIGRldmljZSB0cmVlIHJlc2VydmF0aW9uXG4iKTsKPiArCQkJ CXJldHVybiAtRUlOVkFMOwo+ICsJCQl9Cj4gKwo+ICsJCQlyZXR1cm4gMDsKPiArCQl9Cj4gKwl9 Cj4gKwo+ICsJcmV0dXJuIC1FTk9FTlQ7Cj4gK30KPiArCj4gKy8qKgo+ICsgKiByZW1vdmVfaW1h X2J1ZmZlciAtIHJlbW92ZSB0aGUgSU1BIGJ1ZmZlciBwcm9wZXJ0eSBhbmQgcmVzZXJ2YXRpb24K PiArICogQGZkdCAtIHBvaW50ZXIgdGhlIGZkdC4KPiArICogQGNob3Nlbl9ub2RlIC0gbm9kZSB1 bmRlciB3aGljaCBwcm9wZXJ0eSBjYW4gYmUgZm91bmQuCj4gKyAqIAo+ICsgKiBUaGUgSU1BIG1l YXN1cmVtZW50IGJ1ZmZlciBpcyBlaXRoZXIgcmVhZCBieSBub3cgYW5kIGZyZWVlZCBvciBhIGtl eGVjIGNhbGwKPiArICogbmVlZHMgdG8gcmVwbGFjZSB0aGUgaW1hIG1lYXN1cmVtZW50IGJ1ZmZl ciwgY2xlYXIgdGhlIHByb3BlcnR5IGFuZCBtZW1vcnkKPiArICogcmVzZXJ2YXRpb24uCj4gKyAq Lwo+ICt2b2lkIHJlbW92ZV9pbWFfYnVmZmVyKHZvaWQgKmZkdCwgaW50IGNob3Nlbl9ub2RlKQo+ ICt7Cj4gKwlpbnQgcmV0LCBsZW47Cj4gKwljb25zdCB2b2lkICpwcm9wOwo+ICsJdWludDY0X3Qg dG1wX3N0YXJ0LCB0bXBfZW5kOwo+ICsKPiArCXByb3AgPSBmZHRfZ2V0cHJvcChmZHQsIGNob3Nl bl9ub2RlLCAibGludXgsaW1hLWtleGVjLWJ1ZmZlciIsICZsZW4pOwo+ICsJaWYgKHByb3ApIHsK PiArCQl0bXBfc3RhcnQgPSBmZHQ2NF90b19jcHUoKigoY29uc3QgZmR0NjRfdCAqKSBwcm9wKSk7 Cj4gKwo+ICsJCXByb3AgPSBmZHRfZ2V0cHJvcChmZHQsIGNob3Nlbl9ub2RlLAo+ICsJCQkJICAg ImxpbnV4LGltYS1rZXhlYy1idWZmZXItZW5kIiwgJmxlbik7Cj4gKwkJaWYgKCFwcm9wKQo+ICsJ CQlyZXR1cm47Cj4gKwo+ICsJCXRtcF9lbmQgPSBmZHQ2NF90b19jcHUoKigoY29uc3QgZmR0NjRf dCAqKSBwcm9wKSk7Cj4gKwo+ICsJCXJldCA9IGRlbGV0ZV9mZHRfbWVtX3JzdihmZHQsIHRtcF9z dGFydCwgdG1wX2VuZCAtIHRtcF9zdGFydCk7Cj4gKwo+ICsJCWlmIChyZXQgPT0gMCkKPiArCQkJ cHJfZGVidWcoIlJlbW92ZWQgb2xkIElNQSBidWZmZXIgcmVzZXJ2YXRpb24uXG4iKTsKPiArCQll bHNlIGlmIChyZXQgIT0gLUVOT0VOVCkKPiArCQkJcmV0dXJuOwo+ICsKPiArCQlmZHRfZGVscHJv cChmZHQsIGNob3Nlbl9ub2RlLCAibGludXgsaW1hLWtleGVjLWJ1ZmZlciIpOwo+ICsJCWZkdF9k ZWxwcm9wKGZkdCwgY2hvc2VuX25vZGUsICJsaW51eCxpbWEta2V4ZWMtYnVmZmVyLWVuZCIpOwo+ ICsJfQo+ICt9Cj4gKwo+ICsvKioKPiArICogaW1hX2dldF9rZXhlY19idWZmZXIgLSBnZXQgSU1B IGJ1ZmZlciBmcm9tIHRoZSBwcmV2aW91cyBrZXJuZWwKPiArICogQGFkZHI6CU9uIHN1Y2Nlc3Nm dWwgcmV0dXJuLCBzZXQgdG8gcG9pbnQgdG8gdGhlIGJ1ZmZlciBjb250ZW50cy4KPiArICogQHNp emU6CU9uIHN1Y2Nlc3NmdWwgcmV0dXJuLCBzZXQgdG8gdGhlIGJ1ZmZlciBzaXplLgo+ICsgKgo+ ICsgKiBSZXR1cm46IDAgb24gc3VjY2VzcywgbmVnYXRpdmUgZXJybm8gb24gZXJyb3IuCj4gKyAq Lwo+ICtpbnQgaW1hX2dldF9rZXhlY19idWZmZXIodm9pZCAqKmFkZHIsIHNpemVfdCAqc2l6ZSkK PiArewo+ICsJaW50IGxlbjsKPiArCWNvbnN0IHZvaWQgKnByb3A7Cj4gKwl1aW50NjRfdCB0bXBf c3RhcnQsIHRtcF9lbmQ7Cj4gKwo+ICsJcHJvcCA9IG9mX2dldF9wcm9wZXJ0eShvZl9jaG9zZW4s ICJsaW51eCxpbWEta2V4ZWMtYnVmZmVyIiwgJmxlbik7Cj4gKwlpZiAoIXByb3ApCj4gKwkJcmV0 dXJuIC1FTk9FTlQ7Cj4gKwo+ICsJdG1wX3N0YXJ0ID0gZmR0NjRfdG9fY3B1KCooKGNvbnN0IGZk dDY0X3QgKikgcHJvcCkpOwo+ICsKPiArCXByb3AgPSBvZl9nZXRfcHJvcGVydHkob2ZfY2hvc2Vu LCAibGludXgsaW1hLWtleGVjLWJ1ZmZlci1lbmQiLCAmbGVuKTsKPiArCWlmICghcHJvcCkKPiAr CQlyZXR1cm4gLUVOT0VOVDsKPiArCj4gKwl0bXBfZW5kID0gZmR0NjRfdG9fY3B1KCooKGNvbnN0 IGZkdDY0X3QgKikgcHJvcCkpOwo+ICsKPiArCSphZGRyID0gX192YSh0bXBfc3RhcnQpOwo+ICsJ KnNpemUgPSB0bXBfZW5kIC0gdG1wX3N0YXJ0Owo+ICsKPiArCXJldHVybiAwOwo+ICt9Cj4gKwo+ ICsvKioKPiArICogaW1hX2ZyZWVfa2V4ZWNfYnVmZmVyIC0gZnJlZSBtZW1vcnkgdXNlZCBieSB0 aGUgSU1BIGJ1ZmZlcgo+ICsgKgo+ICsgKiBSZXR1cm46IDAgb24gc3VjY2VzcywgbmVnYXRpdmUg ZXJybm8gb24gZXJyb3IuCj4gKyAqLwo+ICtpbnQgaW1hX2ZyZWVfa2V4ZWNfYnVmZmVyKHZvaWQp Cj4gK3sKPiArCWludCByZXQ7Cj4gKwl2b2lkICpwcm9wU3RhcnQsICpwcm9wRW5kOwoKSXMgdGhl cmUgYSByZWFzb24gZm9yIHVzaW5nIG1peGVkIGNhc2UgdmFyaWFibGVzPyDCoFdoeSBkb2VzIHRo ZQp2YXJpYWJsZSBuZWVkIHRvIGJlIHByZWZpeGVkIHdpdGggInByb3AiPyDCoFdvdWxkbid0IGlt YV9zdGFydC9fc3RvcCwKwqBidWZmZXJfc3RhcnQvX3N0b3AsIG9yIGV2ZW4gYnVmX3N0YXJ0L19z dG9wIGJlIGZpbmU/Cgo+ICsJdWludDY0X3QgdG1wX3N0YXJ0LCB0bXBfZW5kOwo+ICsKPiArCXBy b3BTdGFydCA9IG9mX2ZpbmRfcHJvcGVydHkob2ZfY2hvc2VuLCAibGludXgsaW1hLWtleGVjLWJ1 ZmZlciIsCj4gKwkJCQkgICAgIE5VTEwpOwo+ICsJaWYgKHByb3BTdGFydCkgewo+ICsJCXRtcF9z dGFydCA9IGZkdDY0X3RvX2NwdSgqKChjb25zdCBmZHQ2NF90ICopIHByb3BTdGFydCkpOwo+ICsJ CXJldCA9IG9mX3JlbW92ZV9wcm9wZXJ0eShvZl9jaG9zZW4sIHByb3BTdGFydCk7Cj4gKwkJaWYg KCFyZXQpIHsKPiArCQkJcmV0dXJuIHJldDsKPiArCQl9Cj4gKwo+ICsJCXByb3BFbmQgPSBvZl9m aW5kX3Byb3BlcnR5KG9mX2Nob3NlbiwKPiArCQkJCQkgICAibGludXgsaW1hLWtleGVjLWJ1ZmZl ci1lbmQiLCBOVUxMKTsKPiArCQlpZiAoIXByb3BFbmQpIHsKPiArCQkJcmV0dXJuIC1FSU5WQUw7 Cj4gKwkJfQo+ICsKPiArCQl0bXBfZW5kID0gZmR0NjRfdG9fY3B1KCooKGNvbnN0IGZkdDY0X3Qg KikgcHJvcEVuZCkpOwo+ICsKPiArCQlyZXQgPSBvZl9yZW1vdmVfcHJvcGVydHkob2ZfY2hvc2Vu LCBwcm9wRW5kKTsKPiArCQlpZiAoIXJldCkgewo+ICsJCQlyZXR1cm4gcmV0Owo+ICsJCX0KClRo ZXJlIHNlZW1zIHRvIGJlIHF1aXRlIGEgYml0IG9mIGNvZGUgZHVwbGljYXRpb24gaW4gdGhpcyBm dW5jdGlvbiBhbmQKaW7CoGltYV9nZXRfa2V4ZWNfYnVmZmVyKCkuIMKgSXQgY291bGQgcHJvYmFi bHkgYmUgY2xlYW5lZCB1cCB3aXRoIHNvbWUKcmVmYWN0b3JpbmcuCgpNaW1pCgo+ICsKPiArCQly ZXR1cm4gbWVtYmxvY2tfZnJlZSh0bXBfc3RhcnQsIHRtcF9lbmQgLSB0bXBfc3RhcnQpOwo+ICsJ fQo+ICsJcmV0dXJuIDA7Cj4gK30KPiArCj4gKyNpZmRlZiBDT05GSUdfSU1BX0tFWEVDCj4gKy8q Kgo+ICsgKiBhcmNoX2ltYV9hZGRfa2V4ZWNfYnVmZmVyIC0gZG8gYXJjaC1zcGVjaWZpYyBzdGVw cyB0byBhZGQgdGhlIElNQQo+ICsgKiAJbWVhc3VyZW1lbnQgbG9nLgo+ICsgKiBAaW1hZ2U6IC0g cG9pbnRlciB0byB0aGUga2ltYWdlLCB0byBzdG9yZSB0aGUgYWRkcmVzcyBhbmQgc2l6ZSBvZiB0 aGUgCj4gKyAqCSBJTUEgbWVhc3VyZW1lbnQgbG9nLgo+ICsgKiBAbG9hZF9hZGRyOiAtIHRoZSBh ZGRyZXNzIHdoZXJlIHRoZSBJTUEgbWVhc3VyZW1lbnQgbG9nIGlzIHN0b3JlZC4KPiArICogQHNp emUgLSBzaXplIG9mIHRoZSBJTUEgbWVhc3VyZW1lbnQgbG9nLgo+ICsgKiAKPiArICogUmV0dXJu OiAwIG9uIHN1Y2Nlc3MsIG5lZ2F0aXZlIGVycm5vIG9uIGVycm9yLgo+ICsgKi8KPiAraW50IGFy Y2hfaW1hX2FkZF9rZXhlY19idWZmZXIoc3RydWN0IGtpbWFnZSAqaW1hZ2UsIHVuc2lnbmVkIGxv bmcgbG9hZF9hZGRyLAo+ICsJCQkgICAgICBzaXplX3Qgc2l6ZSkKPiArewo+ICsJaW1hZ2UtPmFy Y2guaW1hX2J1ZmZlcl9hZGRyID0gbG9hZF9hZGRyOwo+ICsJaW1hZ2UtPmFyY2guaW1hX2J1ZmZl cl9zaXplID0gc2l6ZTsKPiArCXJldHVybiAwOwo+ICt9Cj4gKwo+ICsvKioKPiArICogc2V0dXBf aW1hX2J1ZmZlciAtIHVwZGF0ZSB0aGUgZmR0IHRvIGNvbnRhaW4gdGhlIGltYSBtZXNhc3VyZW1l bnQgbG9nCj4gKyAqIEBpbWFnZTogLSBwb2ludGVyIHRvIHRoZSBraW1hZ2UsIGNvbnRhaW5pbmcg dGhlIGFkZHJlc3MgYW5kIHNpemUgb2YKPiArICoJICAgICB0aGUgSU1BIG1lYXN1cmVtZW50IGxv Zy4KPiArICogQGZkdDogLSBwb2ludGVyIHRvIHRoZSBmZHQuCj4gKyAqIEBjaG9zZW5fbm9kZTog LSBub2RlIHVuZGVyIHdoaWNoIHByb3BlcnR5IGlzIHRvIGJlIGRlZmluZWQuCj4gKyAqICAKPiAr ICogUmV0dXJuOiAwIG9uIHN1Y2Nlc3MsIG5lZ2F0aXZlIGVycm5vIG9uIGVycm9yLgo+ICsgKi8K PiAraW50IHNldHVwX2ltYV9idWZmZXIoY29uc3Qgc3RydWN0IGtpbWFnZSAqaW1hZ2UsIHZvaWQg KmZkdCwgaW50IGNob3Nlbl9ub2RlKQo+ICt7Cj4gKwlpbnQgcmV0Owo+ICsKPiArCXJlbW92ZV9p bWFfYnVmZmVyKGZkdCwgY2hvc2VuX25vZGUpOwo+ICsKPiArCWlmICghaW1hZ2UtPmFyY2guaW1h X2J1ZmZlcl9zaXplKQo+ICsJCXJldHVybiAwOwo+ICsKPiArCXJldCA9IGZkdF9zZXRwcm9wX3U2 NChmZHQsIGNob3Nlbl9ub2RlLCAibGludXgsaW1hLWtleGVjLWJ1ZmZlciIsCj4gKwkJCSAgICAg IGltYWdlLT5hcmNoLmltYV9idWZmZXJfYWRkcik7Cj4gKwlpZiAocmV0IDwgMCkKPiArCQlyZXR1 cm4gcmV0Owo+ICsKPiArCXJldCA9IGZkdF9zZXRwcm9wX3U2NChmZHQsIGNob3Nlbl9ub2RlLCAi bGludXgsaW1hLWtleGVjLWJ1ZmZlci1lbmQiLAo+ICsJCQkgICAgICBpbWFnZS0+YXJjaC5pbWFf YnVmZmVyX2FkZHIgKwo+ICsJCQkgICAgICBpbWFnZS0+YXJjaC5pbWFfYnVmZmVyX3NpemUpOwo+ ICsJaWYgKHJldCA8IDApCj4gKwkJcmV0dXJuIHJldDsKPiArCj4gKwlyZXQgPSBmZHRfYWRkX21l bV9yc3YoZmR0LCBpbWFnZS0+YXJjaC5pbWFfYnVmZmVyX2FkZHIsCj4gKwkJCSAgICAgIGltYWdl LT5hcmNoLmltYV9idWZmZXJfc2l6ZSk7Cj4gKwlpZiAocmV0IDwgMCkKPiArCQlyZXR1cm4gcmV0 Owo+ICsKPiArCXJldHVybiAwOwo+ICt9Cj4gKyNlbmRpZiAvKiBDT05GSUdfSU1BX0tFWEVDICov Cj4gZGlmZiAtLWdpdCBhL2FyY2gvYXJtNjQva2VybmVsL21hY2hpbmVfa2V4ZWNfZmlsZS5jIGIv YXJjaC9hcm02NC9rZXJuZWwvbWFjaGluZV9rZXhlY19maWxlLmMKPiBpbmRleCA1ODg3MTMzMzcz N2EuLmRlNTQ1MjUzOWM2NyAxMDA2NDQKPiAtLS0gYS9hcmNoL2FybTY0L2tlcm5lbC9tYWNoaW5l X2tleGVjX2ZpbGUuYwo+ICsrKyBiL2FyY2gvYXJtNjQva2VybmVsL21hY2hpbmVfa2V4ZWNfZmls ZS5jCj4gQEAgLTIxLDYgKzIxLDcgQEAKPiAgI2luY2x1ZGUgPGxpbnV4L3R5cGVzLmg+Cj4gICNp bmNsdWRlIDxsaW51eC92bWFsbG9jLmg+Cj4gICNpbmNsdWRlIDxhc20vYnl0ZW9yZGVyLmg+Cj4g KyNpbmNsdWRlIDxhc20vaW1hLmg+Cj4gIAo+ICAvKiByZWxldmFudCBkZXZpY2UgdHJlZSBwcm9w ZXJ0aWVzICovCj4gICNkZWZpbmUgRkRUX1BST1BfSU5JVFJEX1NUQVJUCSJsaW51eCxpbml0cmQt c3RhcnQiCj4gQEAgLTg1LDYgKzg2LDExIEBAIHN0YXRpYyBpbnQgc2V0dXBfZHRiKHN0cnVjdCBr aW1hZ2UgKmltYWdlLAo+ICAJCQlnb3RvIG91dDsKPiAgCX0KPiAgCj4gKwkvKiBhZGQgaW1hIG1l YXN1cmVtbmV0IGxvZyBidWZmZXIgKi8KPiArCXJldCA9IHNldHVwX2ltYV9idWZmZXIoaW1hZ2Us IGR0Yiwgb2ZmKTsKPiArCWlmIChyZXQpCj4gKwkJZ290byBvdXQ7Cj4gKwo+ICAJLyogYWRkIGth c2xyLXNlZWQgKi8KPiAgCXJldCA9IGZkdF9kZWxwcm9wKGR0Yiwgb2ZmLCBGRFRfUFJPUF9LQVNM Ul9TRUVEKTsKPiAgCWlmICAocmV0ID09IC1GRFRfRVJSX05PVEZPVU5EKQoKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFp bGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlz dHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK