From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1J0mRe-0005O5-DH for qemu-devel@nongnu.org; Fri, 07 Dec 2007 18:17:22 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1J0mRc-0005Lx-VF for qemu-devel@nongnu.org; Fri, 07 Dec 2007 18:17:21 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1J0mRc-0005Lu-SG for qemu-devel@nongnu.org; Fri, 07 Dec 2007 18:17:20 -0500 Received: from wa-out-1112.google.com ([209.85.146.182]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1J0mRc-0003bc-Gm for qemu-devel@nongnu.org; Fri, 07 Dec 2007 18:17:20 -0500 Received: by wa-out-1112.google.com with SMTP id k22so1888072waf for ; Fri, 07 Dec 2007 15:17:18 -0800 (PST) Message-ID: <9c10c9f0712071517k3832dea4te2706e302c085e2f@mail.gmail.com> Date: Fri, 7 Dec 2007 20:17:18 -0300 From: "Lauro Ramos Venancio" MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_20054_18952329.1197069438159" Subject: [Qemu-devel] [patch] fix getgroups and getgroups32 syscalls Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org ------=_Part_20054_18952329.1197069438159 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline The attached patch fixes a bug in getgroups and getgroups32 syscalls. The current implementation returns error when size=0. According the manual: " If size is zero, list is not modified, but the total number of supplementary group IDs for the process is returned." -- Lauro Ramos Venancio OpenBossa Labs - Instituto Nokia de Tecnologia Recife - Brazil ------=_Part_20054_18952329.1197069438159 Content-Type: text/x-patch; name=00_fix_getgroups.patch Content-Transfer-Encoding: base64 X-Attachment-Id: f_f9xc43pm Content-Disposition: attachment; filename=00_fix_getgroups.patch SW5kZXg6IHFlbXUtYXJtLWVhYmkvbGludXgtdXNlci9zeXNjYWxsLmMKPT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0g cWVtdS1hcm0tZWFiaS5vcmlnL2xpbnV4LXVzZXIvc3lzY2FsbC5jCTIwMDctMTItMDcgMTk6NTk6 MDMuMDAwMDAwMDAwIC0wMzAwCisrKyBxZW11LWFybS1lYWJpL2xpbnV4LXVzZXIvc3lzY2FsbC5j CTIwMDctMTItMDcgMjA6MDE6NDcuMDAwMDAwMDAwIC0wMzAwCkBAIC01MDI0LDEyICs1MDI0LDEz IEBACiAgICAgICAgIHsKICAgICAgICAgICAgIGludCBnaWRzZXRzaXplID0gYXJnMTsKICAgICAg ICAgICAgIHVpbnQxNl90ICp0YXJnZXRfZ3JvdXBsaXN0OwotICAgICAgICAgICAgZ2lkX3QgKmdy b3VwbGlzdDsKKyAgICAgICAgICAgIGdpZF90ICpncm91cGxpc3QgPSBOVUxMOwogICAgICAgICAg ICAgaW50IGk7CiAKLSAgICAgICAgICAgIGdyb3VwbGlzdCA9IGFsbG9jYShnaWRzZXRzaXplICog c2l6ZW9mKGdpZF90KSk7CisgICAgICAgICAgICBpZiAoZ2lkc2V0c2l6ZSkKKyAgICAgICAgICAg ICAgICBncm91cGxpc3QgPSBhbGxvY2EoZ2lkc2V0c2l6ZSAqIHNpemVvZihnaWRfdCkpOwogICAg ICAgICAgICAgcmV0ID0gZ2V0X2Vycm5vKGdldGdyb3VwcyhnaWRzZXRzaXplLCBncm91cGxpc3Qp KTsKLSAgICAgICAgICAgIGlmICghaXNfZXJyb3IocmV0KSkgeworICAgICAgICAgICAgaWYgKGdp ZHNldHNpemUgJiYgIWlzX2Vycm9yKHJldCkpIHsKICAgICAgICAgICAgICAgICB0YXJnZXRfZ3Jv dXBsaXN0ID0gbG9ja191c2VyKFZFUklGWV9XUklURSwgYXJnMiwgZ2lkc2V0c2l6ZSAqIDIsIDAp OwogICAgICAgICAgICAgICAgIGlmICghdGFyZ2V0X2dyb3VwbGlzdCkKICAgICAgICAgICAgICAg ICAgICAgZ290byBlZmF1bHQ7CkBAIC01MTc0LDEyICs1MTc1LDEzIEBACiAgICAgICAgIHsKICAg ICAgICAgICAgIGludCBnaWRzZXRzaXplID0gYXJnMTsKICAgICAgICAgICAgIHVpbnQzMl90ICp0 YXJnZXRfZ3JvdXBsaXN0OwotICAgICAgICAgICAgZ2lkX3QgKmdyb3VwbGlzdDsKKyAgICAgICAg ICAgIGdpZF90ICpncm91cGxpc3QgPSBOVUxMOwogICAgICAgICAgICAgaW50IGk7CiAKLSAgICAg ICAgICAgIGdyb3VwbGlzdCA9IGFsbG9jYShnaWRzZXRzaXplICogc2l6ZW9mKGdpZF90KSk7Cisg ICAgICAgICAgICBpZiAoZ2lkc2V0c2l6ZSkKKyAgICAgICAgICAgICAgICBncm91cGxpc3QgPSBh bGxvY2EoZ2lkc2V0c2l6ZSAqIHNpemVvZihnaWRfdCkpOwogICAgICAgICAgICAgcmV0ID0gZ2V0 X2Vycm5vKGdldGdyb3VwcyhnaWRzZXRzaXplLCBncm91cGxpc3QpKTsKLSAgICAgICAgICAgIGlm ICghaXNfZXJyb3IocmV0KSkgeworICAgICAgICAgICAgaWYgKGdpZHNldHNpemUgJiYgIWlzX2Vy cm9yKHJldCkpIHsKICAgICAgICAgICAgICAgICB0YXJnZXRfZ3JvdXBsaXN0ID0gbG9ja191c2Vy KFZFUklGWV9XUklURSwgYXJnMiwgZ2lkc2V0c2l6ZSAqIDQsIDApOwogICAgICAgICAgICAgICAg IGlmICghdGFyZ2V0X2dyb3VwbGlzdCkgewogICAgICAgICAgICAgICAgICAgICByZXQgPSAtVEFS R0VUX0VGQVVMVDsK ------=_Part_20054_18952329.1197069438159--