{"id":13427,"url":"https://patchwork.libcamera.org/api/patches/13427/?format=json","web_url":"https://patchwork.libcamera.org/patch/13427/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20210821144145.3077223-1-vedantparanjape160201@gmail.com>","date":"2021-08-21T14:41:45","name":"[libcamera-devel,v2] test: gstreamer: Disable gstreamer registry forks","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"e8ac90de283c4efb670637beb2c3c5720e9c4069","submitter":{"id":85,"url":"https://patchwork.libcamera.org/api/people/85/?format=json","name":"Vedant Paranjape","email":"vedantparanjape160201@gmail.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/13427/mbox/","series":[{"id":2381,"url":"https://patchwork.libcamera.org/api/series/2381/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2381","date":"2021-08-21T14:41:45","name":"[libcamera-devel,v2] test: gstreamer: Disable gstreamer registry forks","version":2,"mbox":"https://patchwork.libcamera.org/series/2381/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/13427/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/13427/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 13075BD87D\n\tfor ;\n\tSat, 21 Aug 2021 14:42:15 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6799868895;\n\tSat, 21 Aug 2021 16:42:14 +0200 (CEST)","from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com\n\t[IPv6:2607:f8b0:4864:20::1034])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 842096025E\n\tfor ;\n\tSat, 21 Aug 2021 16:42:12 +0200 (CEST)","by mail-pj1-x1034.google.com with SMTP id j1so9152569pjv.3\n\tfor ;\n\tSat, 21 Aug 2021 07:42:12 -0700 (PDT)","from localhost.localdomain ([110.226.224.21])\n\tby smtp.googlemail.com with ESMTPSA id\n\tb20sm10199456pfl.9.2021.08.21.07.42.09\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tSat, 21 Aug 2021 07:42:10 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"b1UQjcy1\"; 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\n\tSat, 21 Aug 2021 07:42:10 -0700 (PDT)","From":"Vedant Paranjape ","To":"libcamera-devel@lists.libcamera.org","Date":"Sat, 21 Aug 2021 20:11:45 +0530","Message-Id":"<20210821144145.3077223-1-vedantparanjape160201@gmail.com>","X-Mailer":"git-send-email 2.25.1","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v2] test: gstreamer: Disable gstreamer\n\tregistry forks","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Vedant Paranjape ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"ASan needs to be loaded first before gstreamer is loaded. This was not\npossible, so verify_asan_link_order was disabled. Better way to tackle\nthis issue was disabling forks on the gstreamer side.\n\nverify_asan_link_order=0 disables the check on ASan side which checks if\nASan was loaded before any other DLLs. Since, gstreamer spawns a child\nhelper process while building the registry, we needed to disable this\ncheck. But with gst_registry_fork_set_enabled() it is possible to\ndisable spawning this child helper process, so this ensures that ASan is\nloaded before any other DLL is loaded.\n\nSigned-off-by: Vedant Paranjape \n---\n test/gstreamer/gstreamer_single_stream_test.cpp | 17 ++++++-----------\n 1 file changed, 6 insertions(+), 11 deletions(-)","diff":"diff --git a/test/gstreamer/gstreamer_single_stream_test.cpp b/test/gstreamer/gstreamer_single_stream_test.cpp\nindex 349dcfa4..80e652eb 100644\n--- a/test/gstreamer/gstreamer_single_stream_test.cpp\n+++ b/test/gstreamer/gstreamer_single_stream_test.cpp\n@@ -41,18 +41,13 @@ protected:\n \t\t * GStreamer is most likely not, this will cause the ASan link\n \t\t * order check to fail when gst-plugin-scanner dlopen()s the\n \t\t * plugin as many libraries will have already been loaded by\n-\t\t * then. Work around this issue by disabling the link order\n-\t\t * check. This will only affect child processes, as ASan is\n-\t\t * already loaded for this process by the time this code is\n-\t\t * executed, and should thus hopefully be safe.\n-\t\t *\n-\t\t * This option is not available in gcc older than 8, the only\n-\t\t * option in that case is to skip the test.\n+\t\t * then. Work around this issue by disabling spawning of a\n+\t\t * child helper process when rebuilding the registry. This will\n+\t\t * only affect child processes, as ASan is already loaded for\n+\t\t * this process by the time this code is executed, and should\n+\t\t * thus hopefully be safe.\n \t\t */\n-#if defined(__SANITIZE_ADDRESS__) && !defined(__clang__) && __GNUC__ < 8\n-\t\treturn TestSkip;\n-#endif\n-\t\tsetenv(\"ASAN_OPTIONS\", \"verify_asan_link_order=0\", 1);\n+\t\tgst_registry_fork_set_enabled(false);\n \n \t\t/* Initialize GStreamer */\n \t\tg_autoptr(GError) errInit = NULL;\n","prefixes":["libcamera-devel","v2"]}