From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4A9E145A2C; Wed, 25 Sep 2024 18:36:22 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2E1CB402EB; Wed, 25 Sep 2024 18:36:22 +0200 (CEST) Received: from inbox.dpdk.org (inbox.dpdk.org [95.142.172.178]) by mails.dpdk.org (Postfix) with ESMTP id 736434025D for ; Wed, 25 Sep 2024 18:36:21 +0200 (CEST) Received: by inbox.dpdk.org (Postfix, from userid 33) id 6C88D45A2D; Wed, 25 Sep 2024 18:36:21 +0200 (CEST) From: bugzilla@dpdk.org To: dev@dpdk.org Subject: [DPDK/vhost/virtio Bug 1553] free called on rte_malloc block in vhost Date: Wed, 25 Sep 2024 16:36:21 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: DPDK X-Bugzilla-Component: vhost/virtio X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: major X-Bugzilla-Who: stephen@networkplumber.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: dev@dpdk.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: multipart/alternative; boundary=17272821810.15689E8.3556336 Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --17272821810.15689E8.3556336 Date: Wed, 25 Sep 2024 18:36:21 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All https://bugs.dpdk.org/show_bug.cgi?id=3D1553 Bug ID: 1553 Summary: free called on rte_malloc block in vhost Product: DPDK Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: major Priority: Normal Component: vhost/virtio Assignee: dev@dpdk.org Reporter: stephen@networkplumber.org Target Milestone: --- If Gcc function attributes are added to rte_malloc, the compiler is able to detect bugs where free is called on rte_malloc memory such as: [2737/2957] Compiling C object examples/dpdk-vhost_blk.p/vhost_blk_vhost_blk.c.o In function =E2=80=98vhost_blk_bdev_construct=E2=80=99, inlined from =E2=80=98vhost_blk_ctrlr_construct.constprop=E2=80=99 at ../examples/vhost_blk/vhost_blk.c:826:16: ../examples/vhost_blk/vhost_blk.c:779:17: warning: =E2=80=98free=E2=80=99 c= alled on pointer returned from a mismatched allocation function [-Wmismatched-dealloc] 779 | free(bdev); | ^~~~~~~~~~ ../examples/vhost_blk/vhost_blk.c:761:16: note: returned from =E2=80=98rte_= zmalloc=E2=80=99 761 | bdev =3D rte_zmalloc(NULL, sizeof(*bdev), RTE_CACHE_LINE_SI= ZE); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --=20 You are receiving this mail because: You are the assignee for the bug.= --17272821810.15689E8.3556336 Date: Wed, 25 Sep 2024 18:36:21 +0200 MIME-Version: 1.0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All
Bug ID 1553
Summary free called on rte_malloc block in vhost
Product DPDK
Version unspecified
Hardware All
OS All
Status UNCONFIRMED
Severity major
Priority Normal
Component vhost/virtio
Assignee dev@dpdk.org
Reporter stephen@networkplumber.org
Target Milestone --- 

If Gcc function attributes are add=
ed to rte_malloc, the compiler is able to
detect bugs where free is called on rte_malloc memory such as:

[2737/2957] Compiling C object
examples/dpdk-vhost_blk.p/vhost_blk_vhost_blk.c.o
In function =E2=80=98vhost_blk_bdev_construct=E2=80=99,
    inlined from =E2=80=98vhost_blk_ctrlr_construct.constprop=E2=80=99 at
../examples/vhost_blk/vhost_blk.c:826:16:
../examples/vhost_blk/vhost_blk.c:779:17: warning: =E2=80=98free=E2=80=99 c=
alled on pointer
returned from a mismatched allocation function [-Wmismatched-dealloc]
  779 |                 free(bdev);
      |                 ^~~~~~~~~~
../examples/vhost_blk/vhost_blk.c:761:16: note: returned from =E2=80=98rte_=
zmalloc=E2=80=99
  761 |         bdev =3D rte_zmalloc(NULL, sizeof(*bdev), RTE_CACHE_LINE_SI=
ZE);
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

You are receiving this mail because:
  • You are the assignee for the bug.
=20=20=20=20=20=20=20=20=20=20
= --17272821810.15689E8.3556336--