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([2600:100f:b121:da37:bc66:d4de:83c7:e0cd]) by smtp.gmail.com with ESMTPSA id x5sm10495873pfn.149.2019.09.07.11.15.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 07 Sep 2019 11:15:11 -0700 (PDT) Mime-Version: 1.0 (1.0) Subject: Re: [PATCH v12 11/12] open: openat2(2) syscall From: Andy Lutomirski X-Mailer: iPhone Mail (16G102) In-Reply-To: Date: Sat, 7 Sep 2019 11:15:09 -0700 Message-Id: References: <20190904201933.10736-1-cyphar@cyphar.com> <20190904201933.10736-12-cyphar@cyphar.com> <7236f382d72130f2afbbe8940e72cc67e5c6dce0.camel@kernel.org> To: Linus Torvalds X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190907_111513_161804_C29A86F5 X-CRM114-Status: GOOD ( 16.07 ) 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: linux-ia64@vger.kernel.org, Linux-sh list , Peter Zijlstra , Rasmus Villemoes , Alexei Starovoitov , Linux List Kernel Mailing , David Howells , "open list:KERNEL SELFTEST FRAMEWORK" , sparclinux@vger.kernel.org, Shuah Khan , linux-arch , linux-s390 , Tycho Andersen , Aleksa Sarai , Jiri Olsa , Alexander Shishkin , Ingo Molnar , Linux ARM , linux-mips@vger.kernel.org, linux-xtensa@linux-xtensa.org, Kees Cook , Arnd Bergmann , Jann Horn , Aleksa Sarai , Al Viro , Andy Lutomirski , Shuah Khan , Namhyung Kim , David Drysdale , Christian Brauner , "J. Bruce Fields" , linux-parisc@vger.kernel.org, linux-m68k , Linux API , Chanho Min , Jeff Layton , Oleg Nesterov , Eric Biederman , alpha , linux-fsdevel , Andrew Morton , linuxppc-dev@lists.ozlabs.org, Linux Containers 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 Cj4gT24gU2VwIDcsIDIwMTksIGF0IDEwOjQ1IEFNLCBMaW51cyBUb3J2YWxkcyA8dG9ydmFsZHNA bGludXgtZm91bmRhdGlvbi5vcmc+IHdyb3RlOgo+IAo+PiBPbiBTYXQsIFNlcCA3LCAyMDE5IGF0 IDEwOjQyIEFNIEFuZHkgTHV0b21pcnNraSA8bHV0b0BhbWFjYXBpdGFsLm5ldD4gd3JvdGU6Cj4+ IAo+PiBMaW51cywgeW91IHJlamVjdGVkIHJlc29sdmVhdCgpIGJlY2F1c2UgeW91IHdhbnRlZCBh ICpuaWNlKiBBUEkKPiAKPiBOby4gSSByZWplY3RlZCByZXNvdmVhdCgpIGJlY2F1c2UgaXQgd2Fz IGEgY29tcGxldGVseSBicm9rZW4gZ2FyYmFnZQo+IEFQSSB0aGF0IGNvdWxkbid0IGRvIGV2ZW4g YmFzaWMgc3R1ZmYgcmlnaHQgKGxpa2UgT19DUkVBVCkuCj4gCj4gV2UgaGF2ZSBhIHRvbiBvZiBm bGFnIHNwYWNlIGluIHRoZSBuZXcgb3BlbmF0MigpIG1vZGVsLCB3ZSBtaWdodCBhcwo+IHdlbGwg bGVhdmUgdGhlIG9sZCBmbGFncyBhbG9uZSB0aGF0IHBlb3BsZSBhcmUgKGEpIHVzZWQgdG8gYW5k IChiKSB3ZQo+IGhhdmUgY29kZSB0byBzdXBwb3J0IF9hbnl3YXlfLgo+IAo+IE1ha2luZyB1cCBh IG5ldyBmbGFnIG5hbWVzcGFjZSBpcyBvbmx5IGdvaW5nIHRvIGNhdXNlIHVzIC0gYW5kIHVzZXJz IC0KPiBtb3JlIHdvcmssIGFuZCBtb3JlIGNvbmZ1c2lvbi4gRm9yIG5vIGFjdHVhbCBhZHZhbnRh Z2UuIEl0J3Mgbm90IGdvaW5nCj4gdG8gYmUgImNsZWFuZXIiLiBJdCdzIGp1c3QgZ29pbmcgdG8g YmUgd29yc2UuCj4gCj4gCgpJZiB3ZSBrZWVwIGFsbCB0aGUgZmxhZyBiaXRzIGluIHRoZSBzYW1l IG1hc2sgd2l0aCB0aGUgc2FtZSB2YWx1ZXMsIHRoZW4gd2XigJlyZSBzdHVjayB3aXRoIE9fUkRP TkxZPTAgYW5kIGV2ZXJ5dGhpbmcgdGhhdCBpbXBsaWVzLiAgV2XigJlsbCBoYXZlIFVQR1JBREVf UkVBRCB0aGF0IHdvcmtzIGRpZmZlcmVudGx5IGZyb20gdGhlIG1pc3NpbmcgcGxhaW4tb2xkLVJF QUQgYml0LCBhbmQgd2UgY2Fu4oCZdCBleHByZXNzIGV4ZWN1dGUtb25seS1uby1yZWFkLW9yLXdy aXRlLiBUaGlzIHN1Y2tzLgoKQ2FuIHdlIGF0IGxlYXN0IHNwbGl0IHRoZSBwZXJtaXNzaW9uIGJp dHMgaW50byB0aGVpciBvd24gbWFzayBhbmQgbWFrZSBiaXRzIDAgYW5kIDEgaWxsZWdhbCBpbiB0 aGUgbWFpbiBzZXQgb2YgZmxhZ3MgaW4gb3BlbmF0Mj8KClRoZXJl4oCZcyBhbm90aGVyIHRocmVh ZCBnb2luZyBvbiByaWdodCBub3cgYWJvdXQgYWRkaW5nIGEgYml0IGFsb25nIHRoZSBsaW5lcyBv ZiDigJxNQVlFWEVD4oCdLCBhbmQgb25lIG9mIHRoZSBjb25jbHVzaW9ucyB3YXMgdGhhdCBpdCBz aG91bGQgd2FpdCBmb3Igb3BlbmF0MiBzbyB0aGF0IGl0IGNhbiBoYXZlIHNhbWUgc2VtYW50aWNz LiBJZiB3ZeKAmXJlIHN0dWNrIHdpdGggT19SRE9OTFkgYW5kIGZyaWVuZHMsIHRoZW4gTUFZRVhF QyBpcyBkb29tZWQgdG8gYmVpbmcgYXQgbGVhc3QgYSBiaXQgbm9uc2Vuc2ljYWwuCgpBcyBhbiBh bmFsb2d5LCBBTUQ2NCBpbnRyb2R1Y2VkIGJpZ2dlciBQVEVzIGJ1dCBrZXB0IHRoZSBzYW1lIG5v bnNlbnNlIGVuY29kaW5nIG9mIHJlYWQgYW5kIHdyaXRlIHBlcm1pc3Npb24uIEFuZCB0aGVuIHdl IGdvdCBOWCwgYW5kIG5vdyB3ZeKAmXJlIGdldHRpbmcgbGl0dGxlIGhvbGVzIGluIHRoZSBlbmNv ZGluZyBzdG9sZW4gYnkgQ0VUIHRvIG1lYW4gbmV3IHNpbGx5IHRoaW5ncy4gIEkgZG9u4oCZdCBr bm93IGlmIHlvdeKAmXZlIGJlZW4gZm9sbG93aW5nIHRoZSB2YXJpb3VzIHJvdW5kcyBvZiBwYXRj aGVzLCBidXQgaXQgaXMgdHJ1bHkgaG9ycmlibGUuIFRoZSBtYXBwaW5nIGZyb20gbWVhbmluZyB0 byB0aGUgYWN0dWFsIGJpdHMgaXMgKnNoaXQqLCBhbmQgQU1ENjQgc2hvdWxkIGhhdmUgbWFkZSBh IGNsZWFuIGJyZWFrIGluc3RlYWQuCgpvcGVuKCnigJlzIHBlcm1pc3Npb24gYml0cyBhcmUgYmFz aWNhbGx5IHRoZSBzYW1lIHNpdHVhdGlvbi4gQW5kIHRoZSBrZXJuZWwgKmFscmVhZHkqIGhhcyBh IG5vbi10eXBlLXNhZmUgdHJhbnNsYXRpb24gbGF5ZXIuIFBsZWFzZSwgcGxlYXNlIGxldCBvcGVu YXQyKCkgYXQgbGVhc3QgZ2V0IHJpZCBvZiB0aGUgdHVyZCBpbiBvcGVuKCnigJlzIGJpdHMgMCBh bmQgMS4KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwps aW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJh ZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51 eC1hcm0ta2VybmVsCg==