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Fri, 13 Nov 2020 10:41:10 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-8-79WJPKePPKagjaD9V3wdfQ-1; Fri, 13 Nov 2020 10:41:03 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D58F89CC05; Fri, 13 Nov 2020 15:41:02 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7413F5D9F1; Fri, 13 Nov 2020 15:41:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605282065; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=alDwN/oL//UNytbhS/m/B1K2vBFS4KhuF6edG9owQQY=; b=e98mfW1is7c7ArR+LXPitmLFEQPlX7wqzZLFYA2+1+rIjhX2apib/OZdUzxAiWAGt6h9YZ kLaCUAOCbb/2DVkX+3AYDsCpxUmu0ItbtFbVpaEsBEYFv7CwLhdyzEnVKLPwBWSGhnAICF O7rsb/5v44nJoDFRoXMZVuyd5Nx+VLY= X-MC-Unique: 79WJPKePPKagjaD9V3wdfQ-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH] io_uring: do not use pointer after free Date: Fri, 13 Nov 2020 10:41:02 -0500 Message-Id: <20201113154102.1460459-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/12 16:09:27 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Hajnoczi , qemu-block@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Even though only the pointer value is only printed, it is untidy and Coverity complains. Cc: Stefan Hajnoczi Signed-off-by: Paolo Bonzini Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- block/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/io_uring.c b/block/io_uring.c index 037af09471..00a3ee9fb8 100644 --- a/block/io_uring.c +++ b/block/io_uring.c @@ -425,6 +425,6 @@ LuringState *luring_init(Error **errp) void luring_cleanup(LuringState *s) { io_uring_queue_exit(&s->ring); - g_free(s); trace_luring_cleanup_state(s); + g_free(s); } --=20 2.26.2