[{"id":3675901,"web_url":"http://patchwork.ozlabs.org/comment/3675901/","msgid":"<20260410142301.3532851-1-robot@bytheb.org>","list_archive_url":null,"date":"2026-04-10T14:23:01","subject":"Re: [ovs-dev] [PATCH v2] netdev-dpdk: Fix possible memory leak when\n configuring rx-steering","submitter":{"id":74326,"url":"http://patchwork.ozlabs.org/api/people/74326/","name":"0-day Robot","email":"robot@bytheb.org"},"content":"Bleep bloop.  Greetings Mikhail Dmitrichenko, I am a robot and I have tried out your patch.\nThanks for your contribution.\n\nI encountered some error that I wasn't expecting.  See the details below.\n\n\ncheckpatch:\nWARNING: The subject summary should end with a dot.\nSubject: netdev-dpdk: Fix possible memory leak when configuring rx-steering\nWARNING: Line is 80 characters long (recommended limit is 79)\n#63 FILE: lib/netdev-dpdk.c:2267:\n        VLOG_WARN(\"%s: options:rx-steering is only supported on ethernet ports\",\n\n\nPlease check this out.  If you feel there has been an error, please email aconole@redhat.com\n\nThanks,\n0-day Robot","headers":{"Return-Path":"<ovs-dev-bounces@openvswitch.org>","X-Original-To":["incoming@patchwork.ozlabs.org","dev@openvswitch.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ovs-dev@lists.linuxfoundation.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=bytheb-org.20251104.gappssmtp.com\n header.i=@bytheb-org.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=ZFKJ/Qts;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org\n (client-ip=2605:bc80:3010::133; helo=smtp2.osuosl.org;\n envelope-from=ovs-dev-bounces@openvswitch.org; receiver=patchwork.ozlabs.org)","smtp2.osuosl.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key,\n unprotected) header.d=bytheb-org.20251104.gappssmtp.com\n header.i=@bytheb-org.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=ZFKJ/Qts","smtp1.osuosl.org;\n dmarc=none (p=none dis=none) header.from=bytheb.org","smtp1.osuosl.org; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ovs-dev-bounces@openvswitch.org","Sender":"\"dev\" <ovs-dev-bounces@openvswitch.org>"}},{"id":3677175,"web_url":"http://patchwork.ozlabs.org/comment/3677175/","msgid":"<b236ce88-bf99-4286-9808-a9677d95b93c@redhat.com>","list_archive_url":null,"date":"2026-04-14T12:47:47","subject":"Re: [ovs-dev] [PATCH v2] netdev-dpdk: Fix possible memory leak when\n configuring rx-steering","submitter":{"id":70482,"url":"http://patchwork.ozlabs.org/api/people/70482/","name":"Kevin Traynor","email":"ktraynor@redhat.com"},"content":"On 4/10/26 3:12 PM, Mikhail Dmitrichenko wrote:\n> VLOG_WARN_BUF() allocates a new string with xasprintf() every time it is\n> called and overwrites *errp without freeing the previous value. This can\n> lead to a memory leak if multiple warnings are emitted or if a later\n> hard error in netdev_dpdk_set_config() also writes\n> to errp.\n> \n> The three cases in dpdk_set_rx_steer_config() are not fatal errors:\n> - unsupported rx-steering value\n> - rss+lacp on non-ethernet port\n> - rss+lacp together with hw-offload\n> \n> In all cases program simply log a warning and fall back to default RSS\n> steering. Configuration continues normally (err remains 0 and execution\n> flow do not goto out).\n> \n> Therefore change them to plain VLOG_WARN(). As a result the 'errp'\n> parameter becomes unused and is removed from the function signature and\n> the call site in netdev_dpdk_set_config().\n> \n> This makes the code cleaner and consistent with the rest of netdev-dpdk.\n> \n> Found by Linux Verification Center (linuxtesting.org) with SVACE.\n> \n> Fixes: fc06ea9a1883 (\"netdev-dpdk: Add custom rx-steering configuration.\")\n> Signed-off-by: Mikhail Dmitrichenko <m.dmitrichenko222@gmail.com>\n> ---\n>  lib/netdev-dpdk.c | 19 ++++++++-----------\n>  1 file changed, 8 insertions(+), 11 deletions(-)\n\nThanks Mikhail. I shortened the subject line length to avoid a\ncheckpatch warning and applied to main branch. Backported to all\nbranches down as far as branch-3.3 as well.\n\nI also added you to the AUTHORS.rst - Welcome!","headers":{"Return-Path":"<ovs-dev-bounces@openvswitch.org>","X-Original-To":["incoming@patchwork.ozlabs.org","dev@openvswitch.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ovs-dev@lists.linuxfoundation.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=DtKzd0T9;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org\n (client-ip=2605:bc80:3010::137; helo=smtp4.osuosl.org;\n envelope-from=ovs-dev-bounces@openvswitch.org; receiver=patchwork.ozlabs.org)","smtp4.osuosl.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key)\n header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=DtKzd0T9","smtp4.osuosl.org; 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