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a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1722534066; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9VDyXskFnITGQW9zu7TJf06nIW9hIv9edvT8t4/uTIU=; b=mZgY79Kf1PZz3tgNoSAj1KFI1pcPI0A5uWXMhL6PeoLxFyHiXygKv//Np0sVGWxc9NKaAu Szu+RVMR5bLu5emMXIggapqcs2xvAsVSAPAxTso8eSL1EdGeDlducx1S1ElnrdiIceJJNY fnyTihccRsk7+cdgj+VIEmBRxrWWm4I= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1722534066; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9VDyXskFnITGQW9zu7TJf06nIW9hIv9edvT8t4/uTIU=; b=HC4CgoJ61wLx2BxQWtwd+oRsUBT9NFLno7wOXGsv+sTgrosLHW+MhAzd4X77250rujH69/ 5N8iy/it5z6sOFCg== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Peter Xu , Jim Fehlig Subject: [PATCH 1/2] migration: Fix cleanup of iochannel in file migration Date: Thu, 1 Aug 2024 14:41:00 -0300 Message-Id: <20240801174101.31806-2-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20240801174101.31806-1-farosas@suse.de> References: <20240801174101.31806-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Action: no action X-Rspamd-Queue-Id: BB01921AAB X-Spam-Score: -4.81 X-Spamd-Result: default: False [-4.81 / 50.00]; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a07:de40:b251:101:10:150:64:1; envelope-from=farosas@suse.de; helo=smtp-out1.suse.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1722534105523116600 Content-Type: text/plain; charset="utf-8" The QIOChannelFile object already has its reference decremented by g_autoptr. Trying to unref an extra time causes: ERROR:../qom/object.c:1241:object_unref: assertion failed: (obj->ref > 0) Fixes: a701c03dec ("migration: Drop reference to QIOChannel if file seeking= fails") Fixes: 6d3279655a ("migration: Fix file migration with fdset") Reported-by: Jim Fehlig Signed-off-by: Fabiano Rosas Reviewed-by: Peter Xu --- migration/file.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/migration/file.c b/migration/file.c index db870f2cf0..6451a21c86 100644 --- a/migration/file.c +++ b/migration/file.c @@ -112,7 +112,6 @@ void file_start_outgoing_migration(MigrationState *s, error_setg_errno(errp, errno, "failed to truncate migration file to offset %" P= RIx64, offset); - object_unref(OBJECT(fioc)); return; } =20 @@ -120,7 +119,6 @@ void file_start_outgoing_migration(MigrationState *s, =20 ioc =3D QIO_CHANNEL(fioc); if (offset && qio_channel_io_seek(ioc, offset, SEEK_SET, errp) < 0) { - object_unref(OBJECT(fioc)); return; } qio_channel_set_name(ioc, "migration-file-outgoing"); --=20 2.35.3