From nobody Sun Feb 8 15:25:38 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1527213118564806.4023604563199; Thu, 24 May 2018 18:51:58 -0700 (PDT) Received: from localhost ([::1]:41431 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fM1tV-0002TQ-Fd for importer@patchew.org; Thu, 24 May 2018 21:51:49 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36861) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fM1sc-0002Ad-57 for qemu-devel@nongnu.org; Thu, 24 May 2018 21:50:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fM1sX-0007oK-7Z for qemu-devel@nongnu.org; Thu, 24 May 2018 21:50:54 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:50626 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fM1sX-0007oA-3U for qemu-devel@nongnu.org; Thu, 24 May 2018 21:50:49 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4EA69401EF2C for ; Fri, 25 May 2018 01:50:48 +0000 (UTC) Received: from xz-mi.redhat.com (ovpn-12-42.pek2.redhat.com [10.72.12.42]) by smtp.corp.redhat.com (Postfix) with ESMTP id 559D711166E4; Fri, 25 May 2018 01:50:43 +0000 (UTC) From: Peter Xu To: qemu-devel@nongnu.org Date: Fri, 25 May 2018 09:50:42 +0800 Message-Id: <20180525015042.31778-1-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Fri, 25 May 2018 01:50:48 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Fri, 25 May 2018 01:50:48 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'peterx@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH] migration: use g_free for ram load bitmap 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: "Dr . David Alan Gilbert" , peterx@redhat.com, Juan Quintela Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Buffers allocated with bitmap_new() should be freed with g_free(). Both reported by Coverity: *** CID 1391300: API usage errors (ALLOC_FREE_MISMATCH) /migration/ram.c: 3517 in ram_dirty_bitmap_reload() 3511 * the last one to sync, we need to notify the main send threa= d. 3512 */ 3513 ram_dirty_bitmap_reload_notify(s); 3514 3515 ret =3D 0; 3516 out: >>> CID 1391300: API usage errors (ALLOC_FREE_MISMATCH) >>> Calling "free" frees "le_bitmap" using "free" but it should have be= en freed using "g_free". 3517 free(le_bitmap); 3518 return ret; 3519 } 3520 3521 static int ram_resume_prepare(MigrationState *s, void *opaque) 3522 { *** CID 1391292: API usage errors (ALLOC_FREE_MISMATCH) /migration/ram.c: 249 in ramblock_recv_bitmap_send() 243 * Mark as an end, in case the middle part is screwed up due to 244 * some "misterious" reason. 245 */ 246 qemu_put_be64(file, RAMBLOCK_RECV_BITMAP_ENDING); 247 qemu_fflush(file); 248 >>> CID 1391292: API usage errors (ALLOC_FREE_MISMATCH) >>> Calling "free" frees "le_bitmap" using "free" but it should have be= en freed using "g_free". 249 free(le_bitmap); 250 251 if (qemu_file_get_error(file)) { 252 return qemu_file_get_error(file); 253 } 254 Signed-off-by: Peter Xu Reviewed-by: Juan Quintela Reviewed-by: J=EF=BF=BDn Tomko --- migration/ram.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index 5bcbf7a9f9..c53e8369a3 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -246,7 +246,7 @@ int64_t ramblock_recv_bitmap_send(QEMUFile *file, qemu_put_be64(file, RAMBLOCK_RECV_BITMAP_ENDING); qemu_fflush(file); =20 - free(le_bitmap); + g_free(le_bitmap); =20 if (qemu_file_get_error(file)) { return qemu_file_get_error(file); @@ -3514,7 +3514,7 @@ int ram_dirty_bitmap_reload(MigrationState *s, RAMBlo= ck *block) =20 ret =3D 0; out: - free(le_bitmap); + g_free(le_bitmap); return ret; } =20 --=20 2.17.0