Hi Suren, kernel test robot noticed the following build errors:
[auto build test ERROR on 01da54f10fddf3b01c5a3b80f6b16bbad390c302] url: https://github.com/intel-lab-lkp/linux/commits/Suren-Baghdasaryan/selftests-proc-test-PROCMAP_QUERY-ioctl-while-vma-is-concurrently-modified/20250801-060200 base: 01da54f10fddf3b01c5a3b80f6b16bbad390c302 patch link: https://lore.kernel.org/r/20250731220024.702621-3-surenb%40google.com patch subject: [PATCH 2/3] fs/proc/task_mmu: factor out proc_maps_private fields used by PROCMAP_QUERY config: riscv-randconfig-002-20250801 (https://download.01.org/0day-ci/archive/20250801/[email protected]/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250801/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): >> fs/proc/task_nommu.c:207:13: error: no member named 'mm' in 'struct >> proc_maps_private' 207 | mm = priv->mm; | ~~~~ ^ fs/proc/task_nommu.c:229:31: error: no member named 'mm' in 'struct proc_maps_private' 229 | struct mm_struct *mm = priv->mm; | ~~~~ ^ fs/proc/task_nommu.c:262:8: error: no member named 'mm' in 'struct proc_maps_private' 262 | priv->mm = proc_mem_open(inode, PTRACE_MODE_READ); | ~~~~ ^ fs/proc/task_nommu.c:263:27: error: no member named 'mm' in 'struct proc_maps_private' 263 | if (IS_ERR_OR_NULL(priv->mm)) { | ~~~~ ^ fs/proc/task_nommu.c:264:19: error: no member named 'mm' in 'struct proc_maps_private' 264 | int err = priv->mm ? PTR_ERR(priv->mm) : -ESRCH; | ~~~~ ^ fs/proc/task_nommu.c:264:38: error: no member named 'mm' in 'struct proc_maps_private' 264 | int err = priv->mm ? PTR_ERR(priv->mm) : -ESRCH; | ~~~~ ^ fs/proc/task_nommu.c:279:12: error: no member named 'mm' in 'struct proc_maps_private' 279 | if (priv->mm) | ~~~~ ^ fs/proc/task_nommu.c:280:16: error: no member named 'mm' in 'struct proc_maps_private' 280 | mmdrop(priv->mm); | ~~~~ ^ 8 errors generated. vim +207 fs/proc/task_nommu.c fe441980161751 Ben Wolsieffer 2023-09-15 191 fe441980161751 Ben Wolsieffer 2023-09-15 192 static void *m_start(struct seq_file *m, loff_t *ppos) ^1da177e4c3f41 Linus Torvalds 2005-04-16 193 { dbf8685c8e2140 David Howells 2006-09-27 194 struct proc_maps_private *priv = m->private; fe441980161751 Ben Wolsieffer 2023-09-15 195 unsigned long last_addr = *ppos; dbf8685c8e2140 David Howells 2006-09-27 196 struct mm_struct *mm; 0c563f14804356 Matthew Wilcox (Oracle 2022-09-06 197) fe441980161751 Ben Wolsieffer 2023-09-15 198 /* See proc_get_vma(). Zero at the start or after lseek. */ fe441980161751 Ben Wolsieffer 2023-09-15 199 if (last_addr == -1UL) 0c563f14804356 Matthew Wilcox (Oracle 2022-09-06 200) return NULL; dbf8685c8e2140 David Howells 2006-09-27 201 dbf8685c8e2140 David Howells 2006-09-27 202 /* pin the task and mm whilst we play with them */ 2c03376d2db005 Oleg Nesterov 2014-10-09 203 priv->task = get_proc_task(priv->inode); dbf8685c8e2140 David Howells 2006-09-27 204 if (!priv->task) ec6fd8a4355cda Al Viro 2011-02-15 205 return ERR_PTR(-ESRCH); dbf8685c8e2140 David Howells 2006-09-27 206 27692cd56e2aa6 Oleg Nesterov 2014-10-09 @207 mm = priv->mm; 578d7699e5c2ad Ben Wolsieffer 2023-09-14 208 if (!mm || !mmget_not_zero(mm)) { 578d7699e5c2ad Ben Wolsieffer 2023-09-14 209 put_task_struct(priv->task); 578d7699e5c2ad Ben Wolsieffer 2023-09-14 210 priv->task = NULL; 27692cd56e2aa6 Oleg Nesterov 2014-10-09 211 return NULL; 578d7699e5c2ad Ben Wolsieffer 2023-09-14 212 } dbf8685c8e2140 David Howells 2006-09-27 213 d8ed45c5dcd455 Michel Lespinasse 2020-06-08 214 if (mmap_read_lock_killable(mm)) { 8a713e7df3352b Konstantin Khlebnikov 2019-07-11 215 mmput(mm); 578d7699e5c2ad Ben Wolsieffer 2023-09-14 216 put_task_struct(priv->task); 578d7699e5c2ad Ben Wolsieffer 2023-09-14 217 priv->task = NULL; 8a713e7df3352b Konstantin Khlebnikov 2019-07-11 218 return ERR_PTR(-EINTR); 8a713e7df3352b Konstantin Khlebnikov 2019-07-11 219 } 8a713e7df3352b Konstantin Khlebnikov 2019-07-11 220 fe441980161751 Ben Wolsieffer 2023-09-15 221 vma_iter_init(&priv->iter, mm, last_addr); 47fecca15c0944 Oleg Nesterov 2014-10-09 222 fe441980161751 Ben Wolsieffer 2023-09-15 223 return proc_get_vma(priv, ppos); dbf8685c8e2140 David Howells 2006-09-27 224 } dbf8685c8e2140 David Howells 2006-09-27 225 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
