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GET /api/1.1/patches/2224698/?format=api
{ "id": 2224698, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2224698/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260417184742.293061-1-marcandre.lureau@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260417184742.293061-1-marcandre.lureau@redhat.com>", "date": "2026-04-17T18:47:42", "name": "migration: fix abort when re-migrating after cancel during SETUP", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "c3d851d5ebf83f26055b4e9eb219ace51e11670b", "submitter": { "id": 66774, "url": "http://patchwork.ozlabs.org/api/1.1/people/66774/?format=api", "name": "Marc-André Lureau", "email": "marcandre.lureau@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260417184742.293061-1-marcandre.lureau@redhat.com/mbox/", "series": [ { "id": 500390, "url": "http://patchwork.ozlabs.org/api/1.1/series/500390/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500390", "date": "2026-04-17T18:47:42", "name": "migration: fix abort when re-migrating after cancel during SETUP", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500390/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224698/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224698/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=WsOXOcFy;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Fri, 17 Apr 2026 14:47:57 -0400", "from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com\n (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by\n relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n cipher=TLS_AES_256_GCM_SHA384) id us-mta-148-NZslp314MeCAzbGAHeVFvg-1; Fri,\n 17 Apr 2026 14:47:48 -0400", "from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com\n (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS\n id 6AA52180036E; Fri, 17 Apr 2026 18:47:47 +0000 (UTC)", "from localhost (unknown [10.44.24.6])\n by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP\n id EDE5A1800351; Fri, 17 Apr 2026 18:47:45 +0000 (UTC)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1776451672;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding;\n bh=gnjqo+pqbMlz5cqi/ASPMjsRwhbdVbV/bUNHiWq7jek=;\n b=WsOXOcFyFALMmO9xnodUWhn5PhORDoaYdcI7URcmex0cpdKD5d7MdXBSwxy5gd7TXcSVzG\n xV74cVoRNKC93C4jrbnhz6Cuop7SycSpPI7Z8Yk8FtP5QuNPaZd+W5gahOEcQ2eNNGi/m3\n 7B9kC3ZzOMJulNaLpqaimXgKgjDgnZc=", "X-MC-Unique": "NZslp314MeCAzbGAHeVFvg-1", "X-Mimecast-MFC-AGG-ID": "NZslp314MeCAzbGAHeVFvg_1776451667", "From": "marcandre.lureau@redhat.com", "To": "qemu-devel@nongnu.org", "Cc": "steven.sistare@oracle.com,\n =?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Peter Xu <peterx@redhat.com>, Fabiano Rosas <farosas@suse.de>", "Subject": "[PATCH] migration: fix abort when re-migrating after cancel during\n SETUP", "Date": "Fri, 17 Apr 2026 22:47:42 +0400", "Message-ID": "<20260417184742.293061-1-marcandre.lureau@redhat.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.111", "Received-SPF": "pass client-ip=170.10.133.124;\n envelope-from=marcandre.lureau@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com", "X-Spam_score_int": "-25", "X-Spam_score": "-2.6", "X-Spam_bar": "--", "X-Spam_report": "(-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Marc-André Lureau <marcandre.lureau@redhat.com>\n\nWhen a migration is cancelled during the early SETUP phase (before\nmigration_connect_outgoing() has set s->to_dst_file), migration_cancel()\ntakes a fast path that transitions the state from CANCELLING to\nCancelled without calling migration_cleanup(). This leaves the migration\nyank instance registered.\n\nA subsequent qmp_migrate() call passes the migration_is_running() guard\n(since CANCELLED is a terminal state) and then calls\nyank_register_instance(MIGRATION_YANK_INSTANCE, &error_abort), which\nfinds the stale entry and aborts with \"duplicate yank instance\".\n\n #6 0x000056028b5e17fc in error_setg_internal\n (errp=errp@entry=0x56028cc8cb18 <error_abort>, src=src@entry=0x56028ba87fa5 \"../util/yank.c\", line=line@entry=87, func=func@entry=0x56028bb77140 <__func__.5> \"yank_register_instance\", fmt=fmt@entry=0x56028ba87f8d \"duplicate yank instance\") at ../util/error.c:100\n #7 0x000056028b601b2a in yank_register_instance (instance=instance@entry=0x7ffea0cf36b0, errp=0x56028cc8cb18 <error_abort>) at ../util/yank.c:87\n #8 0x000056028b25221e in migrate_prepare (s=0x5602b0a7db90, resume=<optimized out>, errp=0x7ffea0cf3718) at ../migration/migration.c:2001\n #9 qmp_migrate (uri=<optimized out>, has_channels=<optimized out>, channels=<optimized out>, has_resume=<optimized out>, resume=<optimized out>, errp=errp@entry=0x7ffea0cf3718) at ../migration/migration.c:2039\n #10 0x000056028b5891be in qmp_marshal_migrate (args=<optimized out>, ret=<optimized out>, errp=0x7f63392e0ee0) at qapi/qapi-commands-migration.c:459\n\nAdd missing yank_unregister_instance. Alternatively, it seems\nmigration_cleanup() should be safe in this context too.\n\nFixes: 624e6e654e11 (\"migration: cpr-transfer mode\")\nSigned-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\n---\n migration/migration.c | 1 +\n 1 file changed, 1 insertion(+)", "diff": "diff --git a/migration/migration.c b/migration/migration.c\nindex 5c9aaa6e58f..bbdd91ee7ee 100644\n--- a/migration/migration.c\n+++ b/migration/migration.c\n@@ -1477,6 +1477,7 @@ void migration_cancel(void)\n MIGRATION_STATUS_CANCELLED);\n cpr_state_close();\n cpr_transfer_source_destroy(s);\n+ yank_unregister_instance(MIGRATION_YANK_INSTANCE);\n }\n }\n \n", "prefixes": [] }