Re: [PATCH v2] staging: media: meson: vdec: fix advanced concurrency and UAF bugs

From: kernel test robot <lkp@intel.com>
To: Alfie Varghese <alfievarghese22@gmail.com>,
	neil.armstrong@linaro.org, gregkh@linuxfoundation.org,
	linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Cc: oe-kbuild-all@lists.linux.dev,
	Alfie Varghese <alfievarghese22@gmail.com>
Subject: Re: [PATCH v2] staging: media: meson: vdec: fix advanced concurrency and UAF bugs
Date: Tue, 14 Jul 2026 21:59:40 +0800	[thread overview]
Message-ID: <202607142142.HnOYDndp-lkp@intel.com> (raw)
In-Reply-To: <20260713181602.773-1-alfievarghese22@gmail.com>

Hi Alfie,

kernel test robot noticed the following build errors:

[auto build test ERROR on staging/staging-testing]

url:    https://github.com/intel-lab-lkp/linux/commits/Alfie-Varghese/staging-media-meson-vdec-fix-advanced-concurrency-and-UAF-bugs/20260714-023427
base:   staging/staging-testing
patch link:    https://lore.kernel.org/r/20260713181602.773-1-alfievarghese22%40gmail.com
patch subject: [PATCH v2] staging: media: meson: vdec: fix advanced concurrency and UAF bugs
config: parisc-allmodconfig (https://download.01.org/0day-ci/archive/20260714/202607142142.HnOYDndp-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260714/202607142142.HnOYDndp-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607142142.HnOYDndp-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/staging/media/meson/vdec/vdec.c: In function 'vdec_m2m_job_abort':
>> drivers/staging/media/meson/vdec/vdec.c:156:33: error: 'struct amvdec_session' has no member named 'm2m_dev'
     156 |         v4l2_m2m_job_finish(sess->m2m_dev, sess->m2m_ctx);
         |                                 ^~

vim +156 drivers/staging/media/meson/vdec/vdec.c

3e7f51bd96077ac Maxime Jourdan 2019-06-06  151  
3e7f51bd96077ac Maxime Jourdan 2019-06-06  152  static void vdec_m2m_job_abort(void *priv)
3e7f51bd96077ac Maxime Jourdan 2019-06-06  153  {
3e7f51bd96077ac Maxime Jourdan 2019-06-06  154  	struct amvdec_session *sess = priv;
3e7f51bd96077ac Maxime Jourdan 2019-06-06  155  
3e7f51bd96077ac Maxime Jourdan 2019-06-06 @156  	v4l2_m2m_job_finish(sess->m2m_dev, sess->m2m_ctx);
3e7f51bd96077ac Maxime Jourdan 2019-06-06  157  }
3e7f51bd96077ac Maxime Jourdan 2019-06-06  158  

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https://github.com/intel/lkp-tests/wiki