From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grzegorz Nosek Subject: Re: BUG in tty_open when using containers and ptrace Date: Thu, 23 Jul 2009 20:26:20 +0200 Message-ID: <20090723182620.GA16322@megiteam.pl> References: <20090714064905.GA25278@us.ibm.com> <20090714103129.GB12958@megiteam.pl> <20090715044744.GA25745@us.ibm.com> <20090715131923.GB21417@megiteam.pl> <20090718205244.GA23625@us.ibm.com> <20090719071531.GA20818@megiteam.pl> <20090722064120.GA24373@us.ibm.com> <20090722222550.GA633@megiteam.pl> <20090723012733.GB27764@us.ibm.com> <4A67C187.5000201@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <4A67C187.5000201-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: "H. Peter Anvin" Cc: containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org, Sukadev Bhattiprolu , Alan Cox , lxc-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: containers.vger.kernel.org T24gxZtybywgbGlwIDIyLCAyMDA5IGF0IDA2OjQ4OjU1IC0wNzAwLCBILiBQZXRlciBBbnZpbiB3 cm90ZToKPiA+IHwgQmlzZWN0aW5nLi4uCgpPSywgdGhlIGZpcnN0IGJhZCBjb21taXQgaXM6CmNv bW1pdCA0YTJiNWZkZGQ1M2I4MGVmY2IzMjY2ZWUzNmUyM2I4ZGUyOGU3NjFhCkF1dGhvcjogU3Vr YWRldiBCaGF0dGlwcm9sdSA8c3VrYWRldkB1cy5pYm0uY29tPgpEYXRlOiAgIE1vbiBPY3QgMTMg MTA6NDI6NDkgMjAwOCArMDEwMAoKICAgIE1vdmUgdHR5IGxvb2t1cC9yZW9wZW4gdG8gY2FsbGVy CgogICAgTW92ZSB0dHlfZHJpdmVyX2xvb2t1cF90dHkoKSBhbmQgdHR5X3Jlb3BlbigpIGZyb20g dHR5X2luaXRfZGV2KCkKICAgIGludG8gdHR5X29wZW4oKSAob25lIG9mIHRoZSB0d28gY2FsbGVy cyBvZiB0dHlfaW5pdF9kZXYoKSkuICBUaGVzZQogICAgY2FsbHMgYXJlIG5vdCByZWFsbHkgcmVx dWlyZWQgaW4gcHRteF9vcGVuKCksIHRoZSBvdGhlciBjYWxsZXIsCiAgICBzaW5jZSBwdG14X29w ZW4oKSB3b3VsZCBiZSBzZXR0aW5nIHVwIGEgbmV3IHR0eS4KCiAgICBDaGFuZ2Vsb2dbdjJdOgog ICAgICAgIC0gcmVtb3ZlIHRoZSBsb29rdXAgYW5kIHJlb3BlbiBjYWxscyBmcm9tIHB0bXhfb3Bl bgogICAgICAgIC0gbWVyZ2Ugd2l0aCByZWNlbnQgY2hhbmdlcyB0byB0dHlkZXYgdHJlZQoKICAg IFNpZ25lZC1vZmYtYnk6IFN1a2FkZXYgQmhhdHRpcHJvbHUgPHN1a2FkZXZAdXMuaWJtLmNvbT4K ICAgIFNpZ25lZC1vZmYtYnk6IEFsYW4gQ294IDxhbGFuQHJlZGhhdC5jb20+CiAgICBTaWduZWQt b2ZmLWJ5OiBMaW51cyBUb3J2YWxkcyA8dG9ydmFsZHNAbGludXgtZm91bmRhdGlvbi5vcmc+CgpI b3dldmVyLCB3aXRoIEhFQUQgdGhlcmUgdGhlIGJlaGF2aW91ciBpcyBzbGlnaHRseSBkaWZmZXJl bnQgYXMgdGhlCmtlcm5lbCBkb2VzIG5vdCBjcmFzaCAobG91ZGx5KSBhbmQgdGhlIG9wZW4gc3Vj Y2VlZHMgYnV0IHNpbGVudGx5CmxlYXZlcyB0aGUgdHR5IGxheWVyIGxvY2tlZCwgc28gaXQncyBq dXN0IGFzIGJhZC4KClRoZSBvb3BzIGl0c2VsZiBpcyBpbnRyb2R1Y2VkIGJ5Ogpjb21taXQgNTI3 YjNlNDc3MzYyOGIzMGQwMzMyM2EyY2I1ZmIwZDg0NDQxOTkwZgpBdXRob3I6IFN1a2FkZXYgQmhh dHRpcHJvbHUgPHN1a2FkZXZAdXMuaWJtLmNvbT4KRGF0ZTogICBNb24gT2N0IDEzIDEwOjQzOjA4 IDIwMDggKzAxMDAKCiAgICBTaW1wbGlmeSBkZXZwdHNfZ2V0X3R0eSgpCgogICAgQXMgcG9pbnRl ZCBvdXQgYnkgSC4gUGV0ZXIgQW52aW4sIHNpbmNlIHRoZSBpbm9kZSBmb3IgdGhlIHB0eSBpcyBr bm93biwKICAgIHdlIGRvbid0IG5lZWQgdG8gbG9vayBpdCB1cC4KCiAgICBTaWduZWQtb2ZmLWJ5 OiBTdWthZGV2IEJoYXR0aXByb2x1IDxzdWthZGV2QHVzLmlibS5jb20+CiAgICBTaWduZWQtb2Zm LWJ5OiBBbGFuIENveCA8YWxhbkByZWRoYXQuY29tPgogICAgU2lnbmVkLW9mZi1ieTogTGludXMg VG9ydmFsZHMgPHRvcnZhbGRzQGxpbnV4LWZvdW5kYXRpb24ub3JnPgoKCkJpc2VjdGlvbiBsb2c6 CgpnaXQtYmlzZWN0IHN0YXJ0CiMgZ29vZDogWzNmYTg3NDllNTg0YjU1ZjExODA0MTFhYjFiNTEx MTcxOTBiYWMxZTVdIExpbnV4IDIuNi4yNwpnaXQtYmlzZWN0IGdvb2QgM2ZhODc0OWU1ODRiNTVm MTE4MDQxMWFiMWI1MTExNzE5MGJhYzFlNQojIGJhZDogWzRhNjkwOGEzYTA1MGFhY2M5YzNhMmYz NmIyNzZiNDZjMDYyOWFkOTFdIExpbnV4IDIuNi4yOApnaXQtYmlzZWN0IGJhZCA0YTY5MDhhM2Ew NTBhYWNjOWMzYTJmMzZiMjc2YjQ2YzA2MjlhZDkxCiMgYmFkOiBbYzgxM2I0ZTE2ZWFkM2MzZGY5 OGFjODQ0MTlkNGRmMmFkZjMzZmUwMV0gTWVyZ2UgZ2l0Oi8vZ2l0Lmtlcm5lbC5vcmcvcHViL3Nj bS9saW51eC9rZXJuZWwvZ2l0L2dyZWdraC9kcml2ZXItY29yZS0yLjYKZ2l0LWJpc2VjdCBiYWQg YzgxM2I0ZTE2ZWFkM2MzZGY5OGFjODQ0MTlkNGRmMmFkZjMzZmUwMQojIGdvb2Q6IFs4ZmEwYjMx NWZjMGMxYTQxNGRhMTM3MWYxZmMzOTUyM2E2NTdjMTkyXSBkZWNuZXQ6IEZpeCBjb21waWxlciB3 YXJuaW5nIGluIGRuX2Rldi5jCmdpdC1iaXNlY3QgZ29vZCA4ZmEwYjMxNWZjMGMxYTQxNGRhMTM3 MWYxZmMzOTUyM2E2NTdjMTkyCiMgYmFkOiBbOWM2MTAyZDQ0Njk4NWJjYTljNDI2Y2IyZDliNDc4 ZWQyMWQyYjAyNF0gYXRhOiBBZGQgZG9jdW1lbnRhdGlvbiBmb3IgaGFyZCBkaXNrIHNob2NrIHBy b3RlY3Rpb24gaW50ZXJmYWNlICh2MykKZ2l0LWJpc2VjdCBiYWQgOWM2MTAyZDQ0Njk4NWJjYTlj NDI2Y2IyZDliNDc4ZWQyMWQyYjAyNAojIGdvb2Q6IFsxYTIyMTdhOTUxNmIxMzRlMGEwZTU0Y2I0 NjI5ZTFlMDc1ZDk3YjE3XSBNZXJnZSBnaXQ6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4 L2tlcm5lbC9naXQvaHNraW5uZW1vZW4vYXZyMzItMi42CmdpdC1iaXNlY3QgZ29vZCAxYTIyMTdh OTUxNmIxMzRlMGEwZTU0Y2I0NjI5ZTFlMDc1ZDk3YjE3CiMgZ29vZDogW2MwMDE5M2Y5ZjA5Zjli ODUyMjQ5YTY2MzkxOTg1ZjU4NWQwNjYwODRdIE1lcmdlIGJyYW5jaGVzICdvcHJvZmlsZS12Micg YW5kICd0aW1lcnMvaHBldCcgaW50byB4ODYvY29yZS12NApnaXQtYmlzZWN0IGdvb2QgYzAwMTkz ZjlmMDlmOWI4NTIyNDlhNjYzOTE5ODVmNTg1ZDA2NjA4NAojIGJhZDogWzIwMjcyYzg5OTRjZjFl MWY4ZWQ3NDVhMmVhMTYxZGQ5YWQzODg5ZjJdIE1lcmdlIGJyYW5jaCAncHJvYycgb2YgZ2l0Oi8v Z2l0Lmtlcm5lbC5vcmcvcHViL3NjbS9saW51eC9rZXJuZWwvZ2l0L2Fkb2JyaXlhbi9wcm9jCmdp dC1iaXNlY3QgYmFkIDIwMjcyYzg5OTRjZjFlMWY4ZWQ3NDVhMmVhMTYxZGQ5YWQzODg5ZjIKIyBi YWQ6IFs4ZGZmMDRlYTMxNjEyNTYzOTEyMGMwYTU2NWNlMDM0NmI4OTJmZWY3XSBwdHk6IHNpbXBs aWZ5IHVuaXg5OCBhbGxvY2F0aW9uCmdpdC1iaXNlY3QgYmFkIDhkZmYwNGVhMzE2MTI1NjM5MTIw YzBhNTY1Y2UwMzQ2Yjg5MmZlZjcKIyBnb29kOiBbOWU0ODU2NWQyMTdhOGE5NmNjNzU3NzMwOGFk NDFlOWU0YjgwNmE2Ml0gdHR5OiBTcGxpdCB0dHlfcG9ydCBpbnRvIGl0cyBvd24gZmlsZQpnaXQt YmlzZWN0IGdvb2QgOWU0ODU2NWQyMTdhOGE5NmNjNzU3NzMwOGFkNDFlOWU0YjgwNmE2MgojIGdv b2Q6IFtkYmRhNGMwYjk3YjE4ZmQ1OWIzOTY0NTQ4MzYxYjRmOTIzNTdmNzMwXSB0dHk6IEZpeCBh YnVzZXJzIG9mIGN1cnJlbnQtPnNpZ2hhbmQtPnR0eQpnaXQtYmlzZWN0IGdvb2QgZGJkYTRjMGI5 N2IxOGZkNTliMzk2NDU0ODM2MWI0ZjkyMzU3ZjczMAojIGdvb2Q6IFs3M2VjMDZmYzVmNWM4ZTEw OTdhN2E0YTRhYjJkN2M2YzNhMDA3ZTgxXSB0dHk6IEZpbmlzaCBmaXhpbmcgdXAgdGhlIGluaXRf ZGV2IGludGVyZmFjZSB0byB1c2UgRVJSX1BUUgpnaXQtYmlzZWN0IGdvb2QgNzNlYzA2ZmM1ZjVj OGUxMDk3YTdhNGE0YWIyZDdjNmMzYTAwN2U4MQojIGJhZDogWzUyN2IzZTQ3NzM2MjhiMzBkMDMz MjNhMmNiNWZiMGQ4NDQ0MTk5MGZdIFNpbXBsaWZ5IGRldnB0c19nZXRfdHR5KCkKZ2l0LWJpc2Vj dCBiYWQgNTI3YjNlNDc3MzYyOGIzMGQwMzMyM2EyY2I1ZmIwZDg0NDQxOTkwZgojIGJhZDogWzRh MmI1ZmRkZDUzYjgwZWZjYjMyNjZlZTM2ZTIzYjhkZTI4ZTc2MWFdIE1vdmUgdHR5IGxvb2t1cC9y ZW9wZW4gdG8gY2FsbGVyCmdpdC1iaXNlY3QgYmFkIDRhMmI1ZmRkZDUzYjgwZWZjYjMyNjZlZTM2 ZTIzYjhkZTI4ZTc2MWEKIyBnb29kOiBbYmY5NzBlZTQ2ZTBmYjM2M2M4ZGY0MzkzMjI5MTIxZDU0 MzMwYTk4ZV0gdHR5OiBleHRyYWN0IHRoZSBwdHkgaW5pdCB0aW1lIHNwZWNpYWwgY2FzZXMKZ2l0 LWJpc2VjdCBnb29kIGJmOTcwZWU0NmUwZmIzNjNjOGRmNDM5MzIyOTEyMWQ1NDMzMGE5OGUKCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpDb250YWluZXJz IG1haWxpbmcgbGlzdApDb250YWluZXJzQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBz Oi8vbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9jb250YWluZXJz