tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: f5604ad70091eabe663ea7106ced99449d653320 commit: 951452b2ec82d352a69f14cfffdeb7c08461eefb [106/111] mm: further refactor commit_merge() config: arm-randconfig-002-20250131 (https://download.01.org/0day-ci/archive/20250131/202501311720.ZJWcwKLY-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250131/202501311720.ZJWcwKLY-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202501311720.ZJWcwKLY-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> mm/debug.c:270:17: warning: invalid conversion specifier 'b' [-Wformat-invalid-specifier] "just_expand %b __remove_middle %b __remove_next %b\n", ~^ include/linux/printk.h:554:29: note: expanded from macro 'pr_warn' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ^~~ include/linux/printk.h:391:21: note: expanded from macro 'pr_fmt' #define pr_fmt(fmt) fmt ^~~ include/linux/printk.h:501:53: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^~~ include/linux/printk.h:473:11: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ^~~~ mm/debug.c:270:36: warning: invalid conversion specifier 'b' [-Wformat-invalid-specifier] "just_expand %b __remove_middle %b __remove_next %b\n", ~^ include/linux/printk.h:554:29: note: expanded from macro 'pr_warn' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ^~~ include/linux/printk.h:391:21: note: expanded from macro 'pr_fmt' #define pr_fmt(fmt) fmt ^~~ include/linux/printk.h:501:53: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^~~ include/linux/printk.h:473:11: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ^~~~ mm/debug.c:270:53: warning: invalid conversion specifier 'b' [-Wformat-invalid-specifier] "just_expand %b __remove_middle %b __remove_next %b\n", ~^ include/linux/printk.h:554:29: note: expanded from macro 'pr_warn' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ^~~ include/linux/printk.h:391:21: note: expanded from macro 'pr_fmt' #define pr_fmt(fmt) fmt ^~~ include/linux/printk.h:501:53: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^~~ include/linux/printk.h:473:11: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ^~~~ >> mm/debug.c:284:3: warning: data argument not used by format string [-Wformat-extra-args] vmg->just_expand, vmg->__remove_middle, vmg->__remove_next); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:554:37: note: expanded from macro 'pr_warn' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~ include/linux/printk.h:501:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~ include/linux/printk.h:473:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ~~~~ ^ 4 warnings generated. vim +/b +270 mm/debug.c 251 252 void dump_vmg(const struct vma_merge_struct *vmg, const char *reason) 253 { 254 if (reason) 255 pr_warn("vmg %px dumped because: %s\n", vmg, reason); 256 257 if (!vmg) { 258 pr_warn("vmg %px state: (NULL)\n", vmg); 259 return; 260 } 261 262 pr_warn("vmg %px state: mm %px pgoff %lx\n" 263 "vmi %px [%lx,%lx)\n" 264 "prev %px middle %px next %px target %px\n" 265 "start %lx end %lx flags %lx\n" 266 "file %px anon_vma %px policy %px\n" 267 "uffd_ctx %px\n" 268 "anon_name %px\n" 269 "state %x\n" > 270 "just_expand %b __remove_middle %b __remove_next %b\n", 271 vmg, vmg->mm, vmg->pgoff, 272 vmg->vmi, vmg->vmi ? vma_iter_addr(vmg->vmi) : 0, 273 vmg->vmi ? vma_iter_end(vmg->vmi) : 0, 274 vmg->prev, vmg->middle, vmg->next, vmg->target, 275 vmg->start, vmg->end, vmg->flags, 276 vmg->file, vmg->anon_vma, vmg->policy, 277 #ifdef CONFIG_USERFAULTFD 278 vmg->uffd_ctx.ctx, 279 #else 280 (void *)0, 281 #endif 282 vmg->anon_name, 283 (int)vmg->state, > 284 vmg->just_expand, vmg->__remove_middle, vmg->__remove_next); 285 286 if (vmg->mm) { 287 pr_warn("vmg %px mm:\n", vmg); 288 dump_mm(vmg->mm); 289 } else { 290 pr_warn("vmg %px mm: (NULL)\n", vmg); 291 } 292 293 if (vmg->prev) { 294 pr_warn("vmg %px prev:\n", vmg); 295 dump_vma(vmg->prev); 296 } else { 297 pr_warn("vmg %px prev: (NULL)\n", vmg); 298 } 299 300 if (vmg->middle) { 301 pr_warn("vmg %px middle:\n", vmg); 302 dump_vma(vmg->middle); 303 } else { 304 pr_warn("vmg %px middle: (NULL)\n", vmg); 305 } 306 307 if (vmg->next) { 308 pr_warn("vmg %px next:\n", vmg); 309 dump_vma(vmg->next); 310 } else { 311 pr_warn("vmg %px next: (NULL)\n", vmg); 312 } 313 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki