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Tue, 21 Jan 2020 12:31:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579609886; 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: in-reply-to:in-reply-to:references:references; bh=3ozsmQl6KOPGLJgk2hV37YZWCjzN9L1vPcnpRewKjF0=; b=BLX4bf94fYaBoUKMqlTw0G3EnCcQNfQQC2U+/VFzlpUzLzEOjNKAV4vDzGcRvc2iQZ3dTB o2HA5XSCe+KlcmWn794wn+EXClv6Eb8mItfis8GLSi3TlIqTIDi1YVSyXwEvvcCuwq8HSP kTMD2kS4+4sFfGLU4Un5VPrTGG5uYc0= From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, stefanha@redhat.com, vgoyal@redhat.com, berrange@redhat.com, slp@redhat.com, philmd@redhat.com Subject: [PATCH v2 080/109] virtiofsd: fix memory leak on lo.source Date: Tue, 21 Jan 2020 12:24:04 +0000 Message-Id: <20200121122433.50803-81-dgilbert@redhat.com> In-Reply-To: <20200121122433.50803-1-dgilbert@redhat.com> References: <20200121122433.50803-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: scDMFCPvNrW16L_0KRRFGQ-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: m.mizuma@jp.fujitsu.com, misono.tomohiro@jp.fujitsu.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" From: Liu Bo valgrind reported that lo.source is leaked on quiting, but it was defined as (const char*) as it may point to a const string "/". Signed-off-by: Liu Bo --- tools/virtiofsd/passthrough_ll.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough= _ll.c index 4e01a37ddb..462c250382 100644 --- a/tools/virtiofsd/passthrough_ll.c +++ b/tools/virtiofsd/passthrough_ll.c @@ -115,7 +115,7 @@ struct lo_data { int writeback; int flock; int xattr; - const char *source; + char *source; double timeout; int cache; int timeout_set; @@ -2497,9 +2497,8 @@ int main(int argc, char *argv[]) fuse_log(FUSE_LOG_ERR, "source is not a directory\n"); exit(1); } - } else { - lo.source =3D "/"; + lo.source =3D strdup("/"); } if (!lo.timeout_set) { switch (lo.cache) { @@ -2570,5 +2569,7 @@ err_out1: close(lo.root.fd); } =20 + free(lo.source); + return ret ? 1 : 0; } --=20 2.24.1