From patchwork Tue Dec 18 23:03:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Samuel Thibault X-Patchwork-Id: 10736483 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3923F14E5 for ; Tue, 18 Dec 2018 23:10:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2B3502AF0E for ; Tue, 18 Dec 2018 23:10:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 294AA2AF19; Tue, 18 Dec 2018 23:10:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id CC48C2AF15 for ; Tue, 18 Dec 2018 23:10:11 +0000 (UTC) Received: from localhost ([::1]:56676 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gZOV8-0003qp-O1 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 18 Dec 2018 18:10:10 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40119) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gZOQG-0007x7-1n for qemu-devel@nongnu.org; Tue, 18 Dec 2018 18:05:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gZOQD-0004Bk-3Z for qemu-devel@nongnu.org; Tue, 18 Dec 2018 18:05:06 -0500 Received: from hera.aquilenet.fr ([2a0c:e300::1]:57416) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gZOQB-00044F-PT for qemu-devel@nongnu.org; Tue, 18 Dec 2018 18:05:04 -0500 Received: from localhost (localhost [127.0.0.1]) by hera.aquilenet.fr (Postfix) with ESMTP id EBECF2776; Wed, 19 Dec 2018 00:04:52 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at aquilenet.fr Received: from hera.aquilenet.fr ([127.0.0.1]) by localhost (hera.aquilenet.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yjLicM2M5XOy; Wed, 19 Dec 2018 00:04:52 +0100 (CET) Received: from function.home (unknown [IPv6:2a01:cb19:181:c200:9eb6:d0ff:fe88:c3c7]) by hera.aquilenet.fr (Postfix) with ESMTPSA id 1DA97279B; Wed, 19 Dec 2018 00:04:44 +0100 (CET) Received: from samy by function.home with local (Exim 4.91) (envelope-from ) id 1gZOPq-0007Ho-Jz; Wed, 19 Dec 2018 00:04:42 +0100 From: Samuel Thibault To: qemu-devel@nongnu.org, peter.maydell@linaro.org Date: Wed, 19 Dec 2018 00:03:47 +0100 Message-Id: <20181218230442.27887-10-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181218230442.27887-1-samuel.thibault@ens-lyon.org> References: <20181218230442.27887-1-samuel.thibault@ens-lyon.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a0c:e300::1 Subject: [Qemu-devel] [PULL 09/64] slirp: fix slirp_add_exec() leaks X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Samuel Thibault , stefanha@redhat.com, jan.kiszka@siemens.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Marc-André Lureau Free the list elements allocated in add_exec(). Signed-off-by: Marc-André Lureau Signed-off-by: Samuel Thibault --- slirp/misc.h | 2 +- slirp/slirp.c | 8 ++++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/slirp/misc.h b/slirp/misc.h index 94829722cd..0bc5e74bc5 100644 --- a/slirp/misc.h +++ b/slirp/misc.h @@ -12,7 +12,7 @@ struct ex_list { void *ex_chardev; struct in_addr ex_addr; /* Server address */ int ex_fport; /* Port to telnet to */ - const char *ex_exec; /* Command line of what to exec */ + char *ex_exec; /* Command line of what to exec */ struct ex_list *ex_next; }; diff --git a/slirp/slirp.c b/slirp/slirp.c index 4c9ba9d428..0e4ade3e4a 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -342,6 +342,14 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, void slirp_cleanup(Slirp *slirp) { + struct ex_list *e, *next; + + for (e = slirp->exec_list; e; e = next) { + next = e->ex_next; + g_free(e->ex_exec); + g_free(e); + } + QTAILQ_REMOVE(&slirp_instances, slirp, entry); unregister_savevm(NULL, "slirp", slirp);