From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-vs1-f71.google.com (mail-vs1-f71.google.com [209.85.217.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A1DBF2BE7A7 for ; Fri, 7 Aug 2026 17:15:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.217.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786122906; cv=none; b=RTz/cfuMMrwfOtgwhAbF19tEvNdIcAqCO/vN9FoBGoQltUh3ZEB4noh8MezPL9UtmGNTpUzNeyBXdoyVu1UgRBkg5HNc15eDWqUZ5B1Dl23FanKbDPFY1pQcLpREsPzCnaFsJJXCyqr0YLOyMRN8dT0H69UKa+krBgFjFfcAbaI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786122906; c=relaxed/simple; bh=OPj7WAypDKwf3aLNyi8545ZAJjI3CvHbvjLOjZoRVyk=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=Ijftqbj+ZLftsbrIQ7DplY80LtNGfHt/MlINDNVZBd1lh01CaCN5dhcCspDwMF+f+aIW5N/wLB2vW/tOOPMN5BImUpouHBRsrqTMvH3Y/0ofMnJ3c0cKuYymxJZsCqnkfCeBSRhFPzdHe/GhP6+9w1vx6VMw6HwRswBZ6d5HHwQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--thaisonphan.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=XEwx5rtE; arc=none smtp.client-ip=209.85.217.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--thaisonphan.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="XEwx5rtE" Received: by mail-vs1-f71.google.com with SMTP id ada2fe7eead31-737f1f1e1bbso595147137.0 for ; Fri, 07 Aug 2026 10:15:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1786122903; x=1786727703; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:mime-version:date:from :to:cc:subject:date:message-id:reply-to:content-type; bh=zvF2mAoiUWPF2zF5L63r0QYdV/q6pFk0ZjE4Xr2hQIQ=; b=XEwx5rtEzabWiDNXT69CoarfU56deyp3tgYNFk1ZbQVS4AlqwI9b/WdLGTc0+eP6Ab KTLke6yNYfTcEoxW2VAoF5x8V4ExJKNVKEirD2wCSEycYAf+3KDzL/tXfYPGhWlmu7xZ YeR0cBTkTdnZkLkVUSOeRX5YsCCshu3w96XUBrD08KN+9c+5+1+J99fI85dR0B3po3Wh bc3WjOmLEWXT9sc74AI18ho6jUPiRApDdBdlns2SAf/iVsgU0UJdFTKKPQnhc7nbo1PV eJKcW+VuRaaSoAEN0fkXlSLUEGoO/x7Jz0f/eGZOV6HiiilQ5KPWNJ0uACz9zYfAbeBU h9jA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786122903; x=1786727703; h=content-type:cc:to:from:subject:message-id:mime-version:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=zvF2mAoiUWPF2zF5L63r0QYdV/q6pFk0ZjE4Xr2hQIQ=; b=YLm3F+2FNk93f/GM5d9USFpCtgzrsiFtvOLH/rq0JWHGu8gHrthxEzIrso81Lswq81 gveHkKUbffK79uBIw8ykd6VaO1c4m/AJg4hWoR8ohFU1ICySG9fwx8avZWKtYgxnUqdN Pz0V1cOFI1v7zYgK/Ud92iPZoop7+p/5IQpE+XiSrDx9F7beLrTO87sMoXXSW77FguLy QQ4yhrLIdqfBz6YkMevPSr/Db6HJdtk9NKUSFLk7G2AQSvZAwnUWYzIZfEIb8HtDnsra QozaV7B+iEtPRntxUUd4GdK0ywuPrwIHvtkkvIR8dQhGbHFa2oEkIsgyW8f7VRYXspK1 pkHQ== X-Forwarded-Encrypted: i=1; AHgh+RqQ8jk7IuRZpUV2GqQabqyUqiZ5dhn2TNpnafS3N5SpcEcTYzoHdKN6z9zw4fGiObZjCaZBXZbv/xiWlPc=@vger.kernel.org X-Gm-Message-State: AOJu0YwewjYz5CN2KJGCEAOsnKx78gM7gcAHDoACy5Aho+zbJtntp0pI mEJ0knXZOz6teAcbilF1z1Tn4ZaswkmcqcUGE5/MZQrHH1d/9yjWQt/v0RDkT177HNTyvNe3qPo xQvw8OV+Gw60LHTNlU3V/CKCX4g== X-Received: from uad22.prod.google.com ([2002:a05:6130:8016:b0:977:5b70:d8e0]) (user=thaisonphan job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6102:3fa8:b0:738:9c79:7506 with SMTP id ada2fe7eead31-760e80f94f8mr6128790137.7.1786122903124; Fri, 07 Aug 2026 10:15:03 -0700 (PDT) Date: Fri, 7 Aug 2026 17:14:58 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.55.0.654.g21b8a5bc05-goog Message-ID: <20260807171500.7188-1-thaisonphan@google.com> Subject: [PATCH v2 net-next 0/2] update NULL pointer handling in generated code From: Thaison Phan To: Jakub Kicinski , Donald Hunter , "David S . Miller " , Eric Dumazet , Paolo Abeni Cc: Simon Horman , Fengyuan Gong , Stan Iliev , "=?UTF-8?q?Asbj=C3=B8rn=20Sloth=20T=C3=B8nnesen?=" , "Matthieu Baerts (NGI0)" , Thaison Phan , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" This series fixes potential NULL pointer dereferences in YNL-generated C code during dump list freeing and memory allocation in parsing getters. Changes in v2: - Moved null check in dump list free to be separate from while loop - Updated allocation checks to only be for getters as setters will be handled in a separate patch. Testing: - Regenerated all c headers/sources under tools/net/ynl/generated/ - Built libynl, ynltool, and test binaries without errors or warnings - Ran make target run_tests in tools/net/ynl/tests successfully - Ran tools/testing/selftests/drivers/net/psp.py in QEMU x86_64 successfully v1: https://lore.kernel.org/netdev/20260803201652.2752685-1-thaisonphan@google.com/ Thaison Phan (2): tools: ynl: check for null ptr on dump free tools: ynl: check alloc fails in generated getter code tools/net/ynl/pyynl/ynl_gen_c.py | 35 ++++++++++++++++++++++++-------- 1 file changed, 27 insertions(+), 8 deletions(-) -- 2.55.0.654.g21b8a5bc05-goog