From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF5A511CA0; Tue, 24 Sep 2024 18:11:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727201502; cv=none; b=F8FaCbzD7UWUOXhIazHoaFheGyN6akYIR//li52DnEeTNlJvi/V8d1vj2eFuMQ1Zz1Z8wMEDoXbknymJssj4sPF+C7QEhSdYwYvQ13HFS7fYy43BvLaOJJuEZ2f6MwE28f8b1Q5Medr9KQtaJCmyCVXXN2MekoYoBw9dlnjn/jo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727201502; c=relaxed/simple; bh=Q6cKGac19Epi6PE/5CV9WLYs/FDyjReAEU46i+1W+Wc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PPleaMTRUhFxpx2BI+EiiUC629Cw2TLpKg5W7VPoXU2pMbSVXVGucioBsYgBEYRgcFzmf7ilpoQgwnHsjhjQlG1s1iwB3YvOjyfi8YfQGN+i/5qPBBfRLEDx50JHFZ98QUlzacn6hs/R8gXsL3NiKBCGR83e9b4ClMOrx7gKxQE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZeRiGlqn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZeRiGlqn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36FBCC4CEC4; Tue, 24 Sep 2024 18:11:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727201502; bh=Q6cKGac19Epi6PE/5CV9WLYs/FDyjReAEU46i+1W+Wc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZeRiGlqnTO8vEq6wcr8zbHJy4Pwy1F2PKwMxyjueDCq05ZI/jgAb27GJdjxMJLjzw Ka+vM1w15ZGMOc5GsRfrgt0/DSrjeaeKsSHoJqPEsMLLain32y1nGCzSC5WCbxeN6p Dq15Gjmg/DS03y5cCOOlw+J6yJ/ykAFNKsEKz5iYsA4y3bNjM2cx/McTa+DFroXunD ib+oNu+CVEddQQRZ2gD1xXjDVpp0op0qkFov8s5H2N3oX72FKo68QL5hSzOhcSd5y0 aeExHd9C+WLj7ofQ/psVdamgxfpgtugyTNw3jwJxSHW0OHiw9p7V4kxCv9PNBQra3g 3r52XhiDXEztQ== Date: Tue, 24 Sep 2024 19:11:37 +0100 From: Simon Horman To: Elena Salomatkina Cc: Saeed Mahameed , Leon Romanovsky , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxim Mikityanskiy , Tariq Toukan , Maor Dickman , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net v2] net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc() Message-ID: <20240924181137.GS4029621@kernel.org> References: <20240924160018.29049-1-esalomatkina@ispras.ru> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240924160018.29049-1-esalomatkina@ispras.ru> On Tue, Sep 24, 2024 at 07:00:18PM +0300, Elena Salomatkina wrote: > In mlx5e_tir_builder_alloc() kvzalloc() may return NULL > which is dereferenced on the next line in a reference > to the modify field. > > Found by Linux Verification Center (linuxtesting.org) with SVACE. > > Fixes: a6696735d694 ("net/mlx5e: Convert TIR to a dedicated object") > Signed-off-by: Elena Salomatkina > --- > v2: Fix tab, add blank line Thanks for the update, this version looks good to me. Reviewed-by: Simon Horman