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([2600:100f:b121:da37:bc66:d4de:83c7:e0cd]) by smtp.gmail.com with ESMTPSA id h11sm8785567pgv.5.2019.09.07.10.42.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 07 Sep 2019 10:42:25 -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 10:42:23 -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_104228_194166_15C49581 X-CRM114-Status: GOOD ( 17.20 ) 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 Cgo+IE9uIFNlcCA3LCAyMDE5LCBhdCA5OjU4IEFNLCBMaW51cyBUb3J2YWxkcyA8dG9ydmFsZHNA bGludXgtZm91bmRhdGlvbi5vcmc+IHdyb3RlOgo+IAo+PiBPbiBTYXQsIFNlcCA3LCAyMDE5IGF0 IDU6NDAgQU0gSmVmZiBMYXl0b24gPGpsYXl0b25Aa2VybmVsLm9yZz4gd3JvdGU6Cj4+IAo+PiBB ZnRlciB0aGlua2luZyBhYm91dCB0aGlzIGEgYml0LCBJIHdvbmRlciBpZiB3ZSBtaWdodCBiZSBi ZXR0ZXIgc2VydmVkCj4+IHdpdGggYSBuZXcgc2V0IG9mIE9BMl8qIGZsYWdzIGluc3RlYWQgb2Yg cmVwdXJwb3NpbmcgdGhlIE9fKiBmbGFncz8KPiAKPiBJJ2QgaGF0ZSB0byBoYXZlIHlldCBfYW5v dGhlcl8gc2V0IG9mIHRyYW5zbGF0aW9uIGZ1bmN0aW9ucywgYW5kCj4gYW5vdGhlciBjaGFuY2Ug b2YgcGVvcGxlIGp1c3QgZ2V0dGluZyBpdCB3cm9uZyBlaXRoZXIgaW4gdXNlciBzcGFjZSBvcgo+ IHRoZSBrZXJuZWwuCj4gCj4gU28gbm8uIExldCdzIG5vdCBtYWtlIGFub3RoZXIgc2V0IG9mIGZs YWdzIHRoYXQgaGFzIG5vIHNhbmUgd2F5IHRvCj4gaGF2ZSB0eXBlLXNhZmV0eSB0byBhdm9pZCBt b3JlIGNvbmZ1c2lvbi4KPiAKPiBUaGUgbmV3IGZsYWdzIHRoYXQgX29ubHlfIHdvcmsgd2l0aCBv cGVuYXQyKCkgbWlnaHQgYmUgbmFtZWQgd2l0aCBhCj4gcHJlZml4L3N1ZmZpeCB0byBtYXJrIHRo YXQsIGJ1dCBJJ20gbm90IHN1cmUgaXQncyBhIGh1Z2UgZGVhbC4KPiAKPiAgICAgICAgICAgIAoK SSBhZ3JlZSB3aXRoIHRoZSBwaGlsb3NvcGh5LCBidXQgSSB0aGluayBpdCBkb2VzbuKAmXQgYXBw bHkgaW4gdGhpcyBjYXNlLiAgSGVyZSBhcmUgdGhlIGZsYWdzOgoKT19SRE9OTFksIE9fV1JPTkxZ LCBPX1JEV1I6IG5vdCBldmVuIGEgcHJvcGVyIGJpdG1hc2suIFRoZSBrZXJuZWwgYWxyZWFkeSBo YXMgdGhlIEZNT0RFXyBiaXRzIHRvIG1ha2UgdGhpcyBtYWtlIHNlbnNlLiBIb3cgYWJvdXQgd2Ug bWFrZSB0aGUgb3BlbmF0MiBwZXJtaXNzaW9uIGJpdHMgY29uc2lzdGVudCB3aXRoIHRoZSBpbnRl cm5hbCByZXByZXNlbnRhdGlvbiBhbmQgbGV0IHRoZSBPXyBwZXJtaXNzaW9uIGJpdHMgcmVtYWlu IGFzIGFuIGF3ZnVsIHRyYW5zbGF0aW9uLiAgVGhlIGtlcm5lbCBhbHJlYWR5IHRyYW5zbGF0ZXMg bGlrZSB0aGlzLCBhbmQgaXQgYWxyZWFkeSBzdWNrcy4KCk9fQ1JFQVQsIE9fVE1QRklMRSwgT19O T0NUVFksIE9fVFJVTkM6IG5vdCBtb2RlcyBvbiB0aGUgZmQgYXQgYWxsLiAgVGhlc2UgYWZmZWN0 IHRoZSBtZWFuaW5nIG9mIG9wZW4oKS4gIEhlY2ssIGZvciBvcGVuYXQyLCBOT0NUVFkgc2hvdWxk IGJlIHRoaXMgZGVmYXVsdC4KCk9fRVhDTDogaG9wZWxlc3NseSBvdmVybG9hZGVkLgoKT19BUFBF TkQsIE9fRElSRUNULCBPX1NZTkMsIE9fRFNZTkMsIE9fTEFSR0VGSUxFLCBPX05PQVRJTUUsIE9f UEFUSCwgT19OT05CTE9DSzogZ2VudWluZSBtb2RlIGJpdHMKCk9fQ0xPRVhFQzogc3BlY2lhbCBi ZWNhdXNlIGl0IGFmZmVjdHMgdGhlIGZkLCBub3QgdGhlIHN0cnVjdCBmaWxlLgoKTGludXMsIHlv dSByZWplY3RlZCByZXNvbHZlYXQoKSBiZWNhdXNlIHlvdSB3YW50ZWQgYSAqbmljZSogQVBJIHRo YXQgcGVvcGxlIHdvdWxkIHVzZSBhbmQgdGhhdCBtaWdodCBldmVuIGJlIGFkb3B0ZWQgYnkgb3Ro ZXIgT1Nlcy4gTGV04oCZcyBwbGVhc2Ugbm90IG1ha2Ugb3BlbmF0MigpIGJlIGEgZ2lhbnQgcGls ZSBvZiBjcmFwIGluIHRoZSBuYW1lIG9mIGNvbnNpc3RlbmN5IHdpdGggb3BlbigpLiAgb3Blbigp LCBmcmFua2x5LCBpcyBob3JyaWJsZS4KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0t a2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFp bG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==