From: kernel test robot <lkp@intel.com>
To: Lizhi Hou <lizhi.hou@amd.com>
Cc: oe-kbuild-all@lists.linux.dev,
Mario Limonciello <mario.limonciello@amd.com>
Subject: [linux-next:master 2683/4234] drivers/accel/amdxdna/aie2_pci.c:794:13: sparse: sparse: incorrect type in assignment (different address spaces)
Date: Sat, 23 Aug 2025 09:02:18 +0800 [thread overview]
Message-ID: <202508230855.0b9efFl6-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 0f4c93f7eb861acab537dbe94441817a270537bf
commit: c8cea4371e5eca30cda8660aabb337747dabc51d [2683/4234] accel/amdxdna: Add a function to walk hardware contexts
config: x86_64-randconfig-122-20250823 (https://download.01.org/0day-ci/archive/20250823/202508230855.0b9efFl6-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250823/202508230855.0b9efFl6-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/202508230855.0b9efFl6-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/accel/amdxdna/aie2_pci.c:794:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct amdxdna_drm_query_hwctx [noderef] __user *tmp @@ got void *[assigned] _res @@
drivers/accel/amdxdna/aie2_pci.c:794:13: sparse: expected struct amdxdna_drm_query_hwctx [noderef] __user *tmp
drivers/accel/amdxdna/aie2_pci.c:794:13: sparse: got void *[assigned] _res
>> drivers/accel/amdxdna/aie2_pci.c:807:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got struct amdxdna_drm_query_hwctx [noderef] __user *tmp @@
drivers/accel/amdxdna/aie2_pci.c:807:31: sparse: expected void const *from
drivers/accel/amdxdna/aie2_pci.c:807:31: sparse: got struct amdxdna_drm_query_hwctx [noderef] __user *tmp
>> drivers/accel/amdxdna/aie2_pci.c:798:9: sparse: sparse: dereference of noderef expression
drivers/accel/amdxdna/aie2_pci.c:799:9: sparse: sparse: dereference of noderef expression
drivers/accel/amdxdna/aie2_pci.c:800:9: sparse: sparse: dereference of noderef expression
drivers/accel/amdxdna/aie2_pci.c:801:9: sparse: sparse: dereference of noderef expression
drivers/accel/amdxdna/aie2_pci.c:802:9: sparse: sparse: dereference of noderef expression
drivers/accel/amdxdna/aie2_pci.c:803:9: sparse: sparse: dereference of noderef expression
vim +794 drivers/accel/amdxdna/aie2_pci.c
850d71f6bf4c20 Lizhi Hou 2024-11-18 785
c8cea4371e5eca Lizhi Hou 2025-08-15 786 static int aie2_hwctx_status_cb(struct amdxdna_hwctx *hwctx, void *arg)
850d71f6bf4c20 Lizhi Hou 2024-11-18 787 {
c8cea4371e5eca Lizhi Hou 2025-08-15 788 struct amdxdna_drm_query_hwctx __user *buf, *tmp __free(kfree) = NULL;
c8cea4371e5eca Lizhi Hou 2025-08-15 789 struct amdxdna_drm_get_info *get_info_args = arg;
850d71f6bf4c20 Lizhi Hou 2024-11-18 790
c8cea4371e5eca Lizhi Hou 2025-08-15 791 if (get_info_args->buffer_size < sizeof(*tmp))
c8cea4371e5eca Lizhi Hou 2025-08-15 792 return -EINVAL;
850d71f6bf4c20 Lizhi Hou 2024-11-18 793
850d71f6bf4c20 Lizhi Hou 2024-11-18 @794 tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
850d71f6bf4c20 Lizhi Hou 2024-11-18 795 if (!tmp)
850d71f6bf4c20 Lizhi Hou 2024-11-18 796 return -ENOMEM;
850d71f6bf4c20 Lizhi Hou 2024-11-18 797
c8cea4371e5eca Lizhi Hou 2025-08-15 @798 tmp->pid = hwctx->client->pid;
850d71f6bf4c20 Lizhi Hou 2024-11-18 799 tmp->context_id = hwctx->id;
850d71f6bf4c20 Lizhi Hou 2024-11-18 800 tmp->start_col = hwctx->start_col;
850d71f6bf4c20 Lizhi Hou 2024-11-18 801 tmp->num_col = hwctx->num_col;
850d71f6bf4c20 Lizhi Hou 2024-11-18 802 tmp->command_submissions = hwctx->priv->seq;
850d71f6bf4c20 Lizhi Hou 2024-11-18 803 tmp->command_completions = hwctx->priv->completed;
850d71f6bf4c20 Lizhi Hou 2024-11-18 804
c8cea4371e5eca Lizhi Hou 2025-08-15 805 buf = u64_to_user_ptr(get_info_args->buffer);
c8cea4371e5eca Lizhi Hou 2025-08-15 806
c8cea4371e5eca Lizhi Hou 2025-08-15 @807 if (copy_to_user(buf, tmp, sizeof(*tmp)))
c8cea4371e5eca Lizhi Hou 2025-08-15 808 return -EFAULT;
c8cea4371e5eca Lizhi Hou 2025-08-15 809
c8cea4371e5eca Lizhi Hou 2025-08-15 810 get_info_args->buffer += sizeof(*tmp);
c8cea4371e5eca Lizhi Hou 2025-08-15 811 get_info_args->buffer_size -= sizeof(*tmp);
c8cea4371e5eca Lizhi Hou 2025-08-15 812
c8cea4371e5eca Lizhi Hou 2025-08-15 813 return 0;
850d71f6bf4c20 Lizhi Hou 2024-11-18 814 }
850d71f6bf4c20 Lizhi Hou 2024-11-18 815
:::::: The code at line 794 was first introduced by commit
:::::: 850d71f6bf4c2010efae845f9ff841cce902f22c accel/amdxdna: Add query functions
:::::: TO: Lizhi Hou <lizhi.hou@amd.com>
:::::: CC: Jeffrey Hugo <quic_jhugo@quicinc.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-08-23 1:03 UTC|newest]
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