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X-CSE-ConnectionGUID: CZTjTWI6TFOKx7Jpp67W8w== X-CSE-MsgGUID: z72urn2fRB+lRfDY52A0XQ== X-IronPort-AV: E=McAfee;i="6800,10657,11861"; a="86040730" X-IronPort-AV: E=Sophos;i="6.25,197,1779174000"; d="scan'208";a="86040730" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2026 21:34:12 -0700 X-CSE-ConnectionGUID: VkTKpSxLTiyAmA5KR616AQ== X-CSE-MsgGUID: SUGiviYQSySkE1SLyreX3A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,197,1779174000"; d="scan'208";a="265804872" Received: from lkp-server01.sh.intel.com (HELO 6eda058d650d) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 31 Jul 2026 21:34:11 -0700 Received: from kbuild by 6eda058d650d with local (Exim 4.98.2) (envelope-from ) id 1wq1QG-000000002jr-12Ok; Sat, 01 Aug 2026 04:34:08 +0000 Date: Sat, 01 Aug 2026 12:33:37 +0800 From: kernel test robot To: Alex Hung Cc: oe-kbuild-all@lists.linux.dev, Alex Deucher , Harry Wentland Subject: [linux-next:master 9139/11507] drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:2393:9: sparse: sparse: Using plain integer as NULL pointer Message-ID: <202608011221.LpiYHmLJ-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 415606a7be939835db9b0d6b711887586646346d commit: 1d8cfeb69daa863a70134b8ed6df8055c418a5b0 [9139/11507] drm/amdgpu: Pack nested ucode_info struct config: loongarch-randconfig-r112-20260731 (https://download.01.org/0day-ci/archive/20260801/202608011221.LpiYHmLJ-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project bacfe2950f8218268fcc0a8765644ea0c15f0360) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260801/202608011221.LpiYHmLJ-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202608011221.LpiYHmLJ-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:1536:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *vaddr_iomem @@ got void *[addressable] kaddr @@ drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:1536:59: sparse: expected void [noderef] __iomem *vaddr_iomem drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:1536:59: sparse: got void *[addressable] kaddr drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:1550:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:2393:9: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:2393:9: sparse: sparse: cast removes address space '__user' of expression drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:2393:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned long long [noderef] [usertype] __user *const [noderef] __user *__p @@ got unsigned long long [noderef] [usertype] __user ** @@ drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:2393:9: sparse: expected unsigned long long [noderef] [usertype] __user *const [noderef] __user *__p drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:2393:9: sparse: got unsigned long long [noderef] [usertype] __user ** >> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:2393:9: sparse: sparse: Using plain integer as NULL pointer vim +2393 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c c2d2588c702364f Jonathan Kim 2022-04-08 2362 c2d2588c702364f Jonathan Kim 2022-04-08 2363 static void send_exception_work_handler(struct work_struct *work) c2d2588c702364f Jonathan Kim 2022-04-08 2364 { c2d2588c702364f Jonathan Kim 2022-04-08 2365 struct send_exception_work_handler_workarea *workarea; c2d2588c702364f Jonathan Kim 2022-04-08 2366 struct kfd_process *p; c2d2588c702364f Jonathan Kim 2022-04-08 2367 struct queue *q; c2d2588c702364f Jonathan Kim 2022-04-08 2368 struct mm_struct *mm; c2d2588c702364f Jonathan Kim 2022-04-08 2369 struct kfd_context_save_area_header __user *csa_header; c2d2588c702364f Jonathan Kim 2022-04-08 2370 uint64_t __user *err_payload_ptr; c2d2588c702364f Jonathan Kim 2022-04-08 2371 uint64_t cur_err; c2d2588c702364f Jonathan Kim 2022-04-08 2372 uint32_t ev_id; c2d2588c702364f Jonathan Kim 2022-04-08 2373 c2d2588c702364f Jonathan Kim 2022-04-08 2374 workarea = container_of(work, c2d2588c702364f Jonathan Kim 2022-04-08 2375 struct send_exception_work_handler_workarea, c2d2588c702364f Jonathan Kim 2022-04-08 2376 work); c2d2588c702364f Jonathan Kim 2022-04-08 2377 p = workarea->p; c2d2588c702364f Jonathan Kim 2022-04-08 2378 c2d2588c702364f Jonathan Kim 2022-04-08 2379 mm = get_task_mm(p->lead_thread); c2d2588c702364f Jonathan Kim 2022-04-08 2380 c2d2588c702364f Jonathan Kim 2022-04-08 2381 if (!mm) c2d2588c702364f Jonathan Kim 2022-04-08 2382 return; c2d2588c702364f Jonathan Kim 2022-04-08 2383 c2d2588c702364f Jonathan Kim 2022-04-08 2384 kthread_use_mm(mm); c2d2588c702364f Jonathan Kim 2022-04-08 2385 c2d2588c702364f Jonathan Kim 2022-04-08 2386 q = pqm_get_user_queue(&p->pqm, workarea->queue_id); c2d2588c702364f Jonathan Kim 2022-04-08 2387 c2d2588c702364f Jonathan Kim 2022-04-08 2388 if (!q) c2d2588c702364f Jonathan Kim 2022-04-08 2389 goto out; c2d2588c702364f Jonathan Kim 2022-04-08 2390 c2d2588c702364f Jonathan Kim 2022-04-08 2391 csa_header = (void __user *)q->properties.ctx_save_restore_area_address; c2d2588c702364f Jonathan Kim 2022-04-08 2392 c2d2588c702364f Jonathan Kim 2022-04-08 @2393 get_user(err_payload_ptr, (uint64_t __user **)&csa_header->err_payload_addr); c2d2588c702364f Jonathan Kim 2022-04-08 2394 get_user(cur_err, err_payload_ptr); c2d2588c702364f Jonathan Kim 2022-04-08 2395 cur_err |= workarea->error_reason; c2d2588c702364f Jonathan Kim 2022-04-08 2396 put_user(cur_err, err_payload_ptr); c2d2588c702364f Jonathan Kim 2022-04-08 2397 get_user(ev_id, &csa_header->err_event_id); c2d2588c702364f Jonathan Kim 2022-04-08 2398 c2d2588c702364f Jonathan Kim 2022-04-08 2399 kfd_set_event(p, ev_id); c2d2588c702364f Jonathan Kim 2022-04-08 2400 c2d2588c702364f Jonathan Kim 2022-04-08 2401 out: c2d2588c702364f Jonathan Kim 2022-04-08 2402 kthread_unuse_mm(mm); c2d2588c702364f Jonathan Kim 2022-04-08 2403 mmput(mm); c2d2588c702364f Jonathan Kim 2022-04-08 2404 } c2d2588c702364f Jonathan Kim 2022-04-08 2405 :::::: The code at line 2393 was first introduced by commit :::::: c2d2588c702364ff53916ddd97e2b26fd4f4a317 drm/amdkfd: add send exception operation :::::: TO: Jonathan Kim :::::: CC: Alex Deucher -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki