From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [217.72.192.78]) (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 9291E15D1; Wed, 30 Jul 2025 17:43:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.72.192.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753897418; cv=none; b=Dq1UsfarOr9aM50od6w0B3J1+chKHE1Z58Y+rAxtj56g/7BOSqWRKe1JeFxZNDjaobRE5HrvYzBZ+ZXkgbKlqRMBz6/RX/NEPGRp+YDPfaOyOxrNbWXy+iCaQX16QrM6emakJcI23bDH2zizLBlZGLVQRrajyfVXHA4v2/HScpY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753897418; c=relaxed/simple; bh=yOnC3LAB+G0bCJPDjWoyBgtASg13XZvxDppizWRfBi4=; h=Message-ID:Date:MIME-Version:To:Cc:References:Subject:From: In-Reply-To:Content-Type; b=tTJoff0xlpnBiI/TVxAwChqv94B8HgRveg1JCsXcM1CFjKHpZ4P0m+Mj3ibPJfc6PtjJu/B57Jthoo49xmKtEpuCD/okoPwJuyugC4skO9ACA3Tocgc3MMN92gNeMO2LgM+K5plkyTZ+ECdmmdrdpI2deNp6I7aL0cpcsl96uTk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b=UXukJdB8; arc=none smtp.client-ip=217.72.192.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="UXukJdB8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1753897394; x=1754502194; i=markus.elfring@web.de; bh=NoJr9LpCsSwb3VNh7diC8gnn41/JMa7TFepotFO+Bqw=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:To:Cc:References: Subject:From:In-Reply-To:Content-Type:Content-Transfer-Encoding: cc:content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=UXukJdB8EaO8jz5441wn8f7GujfhCv8yX14uT4NyJlX4nbQiMOFsALtSIOFZ6o0Y Fei40dK0Ui9IeV3gmkUQgOyKyY8GRRTn/Zkr9xTfF7ILLCJbJ5N4Vc0z0GYUCAbm2 YUBXwv7fvzVwfsfaDS5EQtGsFYor9W4+rDEfc/jMbc7lEIlcTkfNKR2YwibeI0uGV hg1ivLGcG7mbNoGxjtamgMFxjyzxoXR/EtzAwtf3y9vXWdQl03vkyfdH8+TllVTJz WrKWvkhknV+G2SeQoKaubHLOJM4hfJHBFGx6acRO4e1BPsBOfy+Oyn3qU9zPse1Jh 9EDjETqgRWJEPGBJEQ== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.29] ([94.31.92.238]) by smtp.web.de (mrweb106 [213.165.67.124]) with ESMTPSA (Nemesis) id 1Md6tt-1u7q531dC7-00jLRF; Wed, 30 Jul 2025 19:43:14 +0200 Message-ID: Date: Wed, 30 Jul 2025 19:43:12 +0200 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Colin Ian King , linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, Daniel Lezcano , Jonathan Hunter , Lukasz Luba , "Rafael J. Wysocki" , Thierry Reding , Zhang Rui Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250730135441.2078022-1-colin.i.king@gmail.com> Subject: Re: [PATCH][next] thermal: tegra: Fix dereference of pointer tz before it is null checked Content-Language: en-GB, de-DE From: Markus Elfring In-Reply-To: <20250730135441.2078022-1-colin.i.king@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:XW1Ne2gi2nmBwiEEjlPxtF4bQ93ZRxlPMLqRDU2akRsg0cSyIq2 Zs/Xrh3cqqqJ+LS6WavxuoGweTkhlggfpyTqvIJ+lpgjAYYk4OcOSUisswhfhef0MfejlM4 Szk370dLSrMlqOINhBlir6N9B2MDf1WDP4TXPM0820MiiefBjustMZUGy59YNr0tay2Qenn tSJe0ENtkNvzE5cMV3dLQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:kpZx+8YHJOo=;r4rfv00ZCRyaKutR7ZnSagmRK2d WE1sYbTuSp7HgBVHmBp5u8wKXrydEY4np2zFS4bJO6XizmAz02yKoGKZ2BU4CgleqLDfWb/sJ WJ7FT6RcvpEvThOGdjs9fVsQPlrWcDYvvfLYWueQEsIBuZgWlmgIhySbGIXfZ5LJrAofR1rFV ZgfrTeN0Dv5iG9QFcoGqrGoloX67fPc84SHFYYBRkoIPZwpUuyvv9Q91gXaj9fJW4TA6O46nP 26q6k0hQTbsuLkOz9wt058ws3awyHaIo9kV2PkR9gLbcPqRV1zTrT6B0dEjbVnuQ2QyA7AbFn 6sEQ0xHuq7vJFZmC7kuGSalEKpek4SW3LBazzoZ5rZHaF2r80w0zA082jpuj8gBz5A0fBwUuE MScYd+rKZJRlMIXaDWq7EUY+yh0P7VCNs4PjTBEVTxaicfWOum+HvgH2OIuRfLso7q6ih7cJY pn3TtymLLUiDyzfNgHdnkMelK3IdcDVTfQsLoHPbkj/4chC/tynwcvGXJ8HYLd8MoObxp3DSr ouhHbxREccjGQTLfA3zuLzhz2Xe3eA6vLMxWdYSwB1W7ip25Rrbe0gnxrR058ZMzdLHIl6pq/ NfNB0hkS9ex6AWb7k4csU80QsSK+kDNGTgFKQOXLdYRG/fn8NQCqa9f6tsnI6XPYG3wMlxT0Y 30IkMfUkRIPjUFwvlz4dLxPwmCTme94ZUjuPGm0Pk4+i05WZf20eKSiJTGI3il67UyIKtTe+S mzk9W5vwWzSPE8qpmyLKbrOebMoUPr6L+jb3OSdiYqlIIbl0YrO8sG/KTB/MwV4ZlUFIY4d0E CTXJSi3oR0muk9Fr95UrJfkL2ZBuQXXNdRk78Al/saXlPjaHGKtD8VyDjEoaxnfeeHzQeI0a4 hOy/C66f7hwXrUPLM6uoG7xJ4V4zZZLEo/800xm3sqxFHlj7viLobHcf/hLGzuBvMVe//i3ZJ v71v6cbthJR8c48LmcAyLwhkmHR8CRGZKjru5IJIgnPEvPfILvqJlCR7S8B9+k2wauAIBzMkZ RDWdBIWad+ksJWLcsZcs+9bNYjx/MXFXdF1MHQcJ4PRoa4sZCr0AxN+rJ+ais2ITYSITe9iy7 OAarYT3SRiWwqzRd3TP9QDOLfEgpGkM/DhD9rXPf4xL7bbPnoO3fBleioIFuhHKGDRjzONfdF vGFdDM3LshPH+vd7Pssgk1bCPf0NF6tJKVZoo5dA4NvXnns4+aZLjy9rER/gEzTo3CcQUWpgU EkBhp3C7mtFCM27VWeDpSlkH1D9uJkYFA3pgcVCXEbFP9m6k0lG2j/j3tAkmLkYlcIfcOcyBs GkbGm0bjwb78yse2h5yZMxhXyExWrz8APqUr1zAjUNNoe+2kUTT7HCwYXWS3kRTzVtdHvWvc/ GxcLKcxToI3b6xPb+nIFD9vKrKLNarxH4kNySW2OfgkUDmR6rG+tbdUkp7MQ2Jn57J/OxtI1Q KJ3E9vbn6odNJYCM42KFXaenMINnLWq0X76vO1FzAcXrcLdaBZuVWidb4Eryo6JX0yDVzQ1wH Q2I3c/baI7LpQpqDTOR/iKcoShjj8psWgZen3GhaOw7puWQxwYLdJIdY4AZ1eCMHgQfkEGaFP DgNj48ojAMlJ/7/VsTRk09P8icbFSUtU6egpDOCuXfaWTYiLQYoA0p64gVp+xcey60c8/kgry OBR07vy1s5wUKuB/TtI2eb7ueYqlaaYvQdBBvErB/E3Cg6mE79dlCeQzZbOMQfDsVdH5tOTqA 8pcCwcW8xyiuUtoFOeYepX28xTVgx48mEc4VM8UdTY7o62nTWvEI+Y+HD5B6xKy+UO3Hc1BFo KE6C6q+YIW4F/G4ZmQrEzt59q1e3AfGazm+iFB6f7XI5npDU+A3QcpG88hmJAwdYGznoZjCRU LDfUfP8d/vqcRiZx8hOsBHyxrJ2M3nDAbecLiJlmZ4uGl3H0KJ6jAVhyUCtRmXbGsW4bRtctt ZVIbA1NpQyvod9g86uyCEoGJ6yA0/N/gq/KY9TmM/ufD120Cmg9RT+XfzY3AOloXn1vYCsP8i N4UIQVs8gUayGVEkA26VYUES/JiPMFz5MNoPQ/fskqf/bKDSu2mLHCYyRMqRqk7L2SROKwHKz LGkfR/eGAWoP/tkd78z0qGHVjxu8beUb1DohKiye3gknQIms6gy8XF4aARAdECXFaMpxiBI/i L46/2YLiSmwazMXIiSEnNdmUizoTujsUHx9g9AJsat6w6l0/icO4eBnjL4NXFtHx3kvK5Q3ml gFaIQR9udCCFja6UWh8QWyMq8LXSLoUS1yVAxGWkdzDDPa3dLTo3+KRmw4eTAKUNbckU12lbZ JraRsRd2ZDPHNbbSXmEc8aOGaSdQipdo/VBQihYerocYHB0rjPBN5ShRsHU7qEjuPNSMBPSv3 MBK8ZGpXL4z7EVX9gkU/aZQVFhopYpwvgxdyHIU4cZNvdvPBarHIXLHcMuH0e9cpCIZUIqX0k e1jJb+jkmRrGNa/U0JUdhCYJaaira7CTpwmooeqmVIl2LM8sCto09fueVPoEcFpw938p7Mu4r 5dKV6GAz4tqR9Jqwo/ihJGTLnqMe9aO3wyvGu0HbX5hGUnUSgmmW1WwvevSTqWmPFBZl0bn4N F1mD8UfGh5vu2HhWErrpX6NpV1Jg97YUKMyjYHBwCAcmR4etvVp/t84vJSub+yLZf4DvP6ET0 IOz9uAu9O05A6IqErrGdMfrmR+uQ7zbNweYxBT4shZMP2BXpl46X11pT1nqnnx04Da9IovIY1 5YG3sMCcYr3jn+1qmZZ1QEgBZpHIkStgLJnH/CHQyBpRiNH4XSqoP8tOy9+n82Mxf/U2SBYdZ Gi0VW0jPHO9qqpfcbsvrJ0JfWie0rrihwtNnboqDyQpF1mnHDM0jU258OFybl5vAfqetjeEhL rjmMuz30qghYQdRhSSvTRnK7CPIE2LFX3Hoy0O30yaF7R+0Q5eBoWqFXF8gkTP4F/kXXAqxlM EP0iRrzigd6RlqK+iyoi1Pk4Kb+BhzDVAyZJvmPSVGPlDkPExjH7g4aHe5W4zWgnb7qzdRQdO DZkguJOuKINYs2B4yxbpEFRec0eeATH6l7SjzrJo4Z55aeG+7c0C2gikv2n11ZCoZNzCy2mPx IdjBx7CrufsMEUWe0HiFTrViZnDH2pvzMpUnN4SmCD61ttvqsUcfi2P+//n9oyBX837fQUwLN VCFTqRjJ5/TeoE5xyii0Ik5dHfK8MTEvayVlrKS89BvJibmRDn6ue8FuL4+pwjgJ8+sekANHZ qHvYT+M4A4n1VR3YqBy6z7XYgdpjkO+jv2O4Y8DQ0GLzffI0C7eWrmyJl5g0FwWZwHtrX1WAe 98U03KtTI+OGieYL6fSR1oHgiLCAb0HAzKIxVZqKrEIzsH0Qvk0J+hecC/1Nq71QRI6W6MCTA S6IpAGp4oJBmab2IbKymkomOF7eh6EjD8bdxiMdPtfPdDfuWcZaycTZVAdB1KqXSRW6x16lYZ P2DsPe6Y+jgl+h7sSHwZ/YxtBIuMWEOMJza40kbHi2aAjo8awqqCcZYGyxDc8NpIIoE/8M/lD JdL40vQKPlIRDRRyl5P8o8KiupvGoWGrxnYVqzwsZxs0QUp2oglf+4RiJGAPoaBUmd4myt4H/ JF7exBwYygRqbI= > Currently pointer tz is dereferenced before it is being null checked > leading to a potential null pointer deferernce issue. Fix this by =E2=80=A6 dereference? Regards, Markus