From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 EB54710F1 for ; Tue, 21 Jul 2026 00:56:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784595402; cv=none; b=GU9HNjS0P+DZ4HZWl9/PaAdOVqdJQZx6JC5GNLZEcrsDHjK0MiTwKnOk2Ilidk592RZXr1iGB9uqx/DAGUvViGXaYqbuC1mspwW2kplYEHYX4LZ6aunScoQuSxeRNX1LoYR05ZjrI+lxSrFPV82Cs8LBcXpVheLesaBSxfs4x+U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784595402; c=relaxed/simple; bh=6hbSxLzgOAaNlqPsjuQOdeJRJPblu1XK7iqPAZWz7Xs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PbfJp8WCv3GTx2qkk9UPqvYWbvivXf7dWiwZBlvdwXPTSNS28Vm6+liiEHZ3cx03erEPyYCD8BB0rR812o8Jm4KXLkLK0/9BoguvudJut05rxcKI6FHXGmRTLjG8p0zuEKYUEQfIrCqSdrSNxtYwsO2TxMCArJRaZGbjtWZHbqk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Xoj9EWMZ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Xoj9EWMZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59A231F00A3E; Tue, 21 Jul 2026 00:56:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784595401; bh=11oUEruzKgtnJ4/Oj8hFCkYRP2lQlVU4PfptXdon944=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Xoj9EWMZU7XGWXjEgwiqCnlbVwMPMbibJ6244dCQjaKzFRyG7lS+AT58jLRs7fU7z Vx+I0jEKsm6SscxOCy5arci+z2sUPQl25g+cGhled6cY1zCjtvM6kCqJWdb0dYFiIP FbtutT6GNLbncZ2xQXYV7pHfT+VBZq+upkYutx3SUt2504PU7rQXvgrdEK7eRWZD8p t1Sjw8vi7wBF8FiAgLE5I5La+qVOrJ8vh07rZbQa2ZQO9t83K+PFl/BKtangOVLDNA 0pNuBvyJRuBuz8GBxcc2NeIvYAhXgxd0yvKzvp9GMwodH0rSxsrvCaqOAZgVk3GbsN CcqB1zCj7XYsw== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin , Sven Eckelmann , Sashiko Subject: Re: [PATCH 6.6.y] batman-adv: retrieve ethhdr after potential skb realloc on RX Date: Mon, 20 Jul 2026 20:56:14 -0400 Message-ID: <20260720175500.0007-stable-reply@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260720132056.176231-1-sven@narfation.org> References: <20260720132056.176231-1-sven@narfation.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > pskb_may_pull() in batadv_interface_rx() could reallocate the buffer behind > the skb. Variables which were pointing to the old buffer need to be > reassigned to avoid an use-after-free. Queued for 6.6, thanks. -- Thanks, Sasha