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 0483BA034D; Mon, 7 Mar 2022 06:14:31 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B9F094068F; Mon, 7 Mar 2022 06:14:30 +0100 (CET) Received: from mail-io1-f49.google.com (mail-io1-f49.google.com [209.85.166.49]) by mails.dpdk.org (Postfix) with ESMTP id 4671C40040 for ; Mon, 7 Mar 2022 06:14:29 +0100 (CET) Received: by mail-io1-f49.google.com with SMTP id z7so569655iom.1 for ; Sun, 06 Mar 2022 21:14:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=YS53RfaONfnjLbC1XL49y7/qXU2q9lbm1iEM1NRy4O0=; b=cEuQ0JsF/SZcnQ9WRmUUi74ret+lWUIAzUVhMAgaMBthhCE8AvkuK2etTDb8l4Vz1c 1qVPJhEeiGzTFpVuI0Oh52Eh3cePEUGG9+Ni4PJWcDaD4azODBrYauUct8J0Nj0WbUwC sP2qTf+mehu2hxOLG+wqCHDoPoXRLqtArNWZ0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=YS53RfaONfnjLbC1XL49y7/qXU2q9lbm1iEM1NRy4O0=; b=swcd3zm4oOOZBvAuC0R4Kkj/pdyzn148Cqr/aUQOFgjnXDz6n2ST+8DvSAKQUglGtb oS7jkEB+dG64QUaeKdC/fQrzOREPvge5x7V5oE8Cwf6ny2AgbaPc4yqMMJ9xoiS5byNo MP6SS9vbclWFy4/XIkZ5RWJgO1uCngRTpOYZXq+KQ7McxrdInAN8YOzmwp66ZFct8CMy xi8o34+ir6MTNuCqpRbui0RspykMu6oFz7GiuHmR3kqwB2mmwUTRxLbk3/c/QyTNGmu7 O+muZUEz0SJRcvCrmOzHs3r5q1tL/arYOkG/O8DNyLA3zls2YCipm/H7Epn/2LbPFawF 0u7w== X-Gm-Message-State: AOAM5303qF3mEHzG0+sZczlh0NGwWAypT7znXBuDesQbV0RTcVwt/iIY PPCHDIMzPReG7V15ZVmqCNlh3pxfIFFfDdB8J3cXCA== X-Google-Smtp-Source: ABdhPJyaYHPRBv8VASclaBqb/afwNes09e/8sFsMRKYvs/YrwV/fCV77jZm62SaEvY0hm4egbDWKnP8/NamxK3z+tIE= X-Received: by 2002:a5d:9c56:0:b0:645:beca:c1c9 with SMTP id 22-20020a5d9c56000000b00645becac1c9mr4334873iof.179.1646630068461; Sun, 06 Mar 2022 21:14:28 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Ajit Khaparde Date: Sun, 6 Mar 2022 21:14:12 -0800 Message-ID: Subject: Re: [PATCH] net/bnxt: fix a null dereference in cleanup label To: Weiguo Li Cc: dpdk-dev Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000005263aa05d999f0b6" 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 --0000000000005263aa05d999f0b6 Content-Type: text/plain; charset="UTF-8" On Thu, Feb 24, 2022 at 7:54 AM Weiguo Li wrote: > > Fixes: a46bbb57605b4 ("net/bnxt: update multi device design") > > In tf_session_create(), there is a case that with 'tfp->session' still > be NULL and run 'goto cleanup', which will leads to a null dereference > by 'tfp_free(tfp->session->core_data)' in the cleanup. > > Signed-off-by: Weiguo Li Patch applied to dpdk-next-net-brcm. Thanks > --- > drivers/net/bnxt/tf_core/tf_session.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/drivers/net/bnxt/tf_core/tf_session.c b/drivers/net/bnxt/tf_core/tf_session.c > index 9f849a0a76..c30c0e7029 100644 > --- a/drivers/net/bnxt/tf_core/tf_session.c > +++ b/drivers/net/bnxt/tf_core/tf_session.c > @@ -230,10 +230,12 @@ tf_session_create(struct tf *tfp, > "FW Session close failed, rc:%s\n", > strerror(-rc)); > } > + if (tfp->session) { > + tfp_free(tfp->session->core_data); > + tfp_free(tfp->session); > + tfp->session = NULL; > + } > > - tfp_free(tfp->session->core_data); > - tfp_free(tfp->session); > - tfp->session = NULL; > return rc; > } > > -- > 2.25.1 > --0000000000005263aa05d999f0b6 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature 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