diff for duplicates of <202508300929.TrRovUMu-lkp@intel.com> diff --git a/a/1.txt b/N1/1.txt index 6e1323d..16cbba8 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -1,23 +1,34 @@ +BCC: lkp@intel.com +CC: oe-kbuild-all@lists.linux.dev +TO: "Vishal Moola (Oracle)" <vishal.moola@gmail.com> +CC: Andrew Morton <akpm@linux-foundation.org> +CC: Linux Memory Management List <linux-mm@kvack.org> + tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 3cace99d63192a7250461b058279a42d91075d0c commit: e0aa7237ef4323a66ed06953225d9b07cf039530 [4756/5283] mm: tag kernel stack pages +:::::: branch date: 20 hours ago +:::::: commit date: 2 days ago config: hexagon-randconfig-r072-20250829 (https://download.01.org/0day-ci/archive/20250830/202508300929.TrRovUMu-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) 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> -| Reported-by: Dan Carpenter <dan.carpenter@linaro.org> +| Reported-by: Dan Carpenter <error27@gmail.com> | Closes: https://lore.kernel.org/r/202508300929.TrRovUMu-lkp@intel.com/ smatch warnings: kernel/fork.c:457 account_kernel_stack() warn: we never enter this loop kernel/fork.c:457 account_kernel_stack() warn: unsigned 'i' is never less than zero. +kernel/fork.c:457 account_kernel_stack() warn: unsigned 'i' is never less than zero. kernel/fork.c:479 exit_task_stack_account() warn: we never enter this loop kernel/fork.c:479 exit_task_stack_account() warn: unsigned 'i' is never less than zero. +kernel/fork.c:479 exit_task_stack_account() warn: unsigned 'i' is never less than zero. vim +457 kernel/fork.c +^1da177e4c3f41 Linus Torvalds 2005-04-16 436 ba14a194a434cc Andy Lutomirski 2016-08-11 437 static void account_kernel_stack(struct task_struct *tsk, int account) c6a7f5728a1db4 KOSAKI Motohiro 2009-09-21 438 { 0ce055f85335e4 Sebastian Andrzej Siewior 2022-02-17 439 if (IS_ENABLED(CONFIG_VMAP_STACK)) { @@ -40,11 +51,6 @@ efdc94907977d2 Andy Lutomirski 2016-07-28 455 account * (T e0aa7237ef4323 Vishal Moola (Oracle 2025-08-20 456) e0aa7237ef4323 Vishal Moola (Oracle 2025-08-20 @457) for (i = 0; i < THREAD_SIZE / PAGE_SIZE; i++, page++) e0aa7237ef4323 Vishal Moola (Oracle 2025-08-20 458) __SetPageStack(page); - -Apparently in the linked config the THREAD_SIZE / PAGE_SIZE is zero. -Is this the expected behavior? I don't know mm enough to say the -answer... - ba14a194a434cc Andy Lutomirski 2016-08-11 459 } 27faca83a7e955 Muchun Song 2021-04-29 460 } c6a7f5728a1db4 KOSAKI Motohiro 2009-09-21 461 @@ -69,6 +75,7 @@ e0aa7237ef4323 Vishal Moola (Oracle 2025-08-20 @479) for (i = 0; i < THRE e0aa7237ef4323 Vishal Moola (Oracle 2025-08-20 480) __ClearPageStack(page); 9b6f7e163cd0f4 Roman Gushchin 2018-10-26 481 } 9b6f7e163cd0f4 Roman Gushchin 2018-10-26 482 } +9b6f7e163cd0f4 Roman Gushchin 2018-10-26 483 -- 0-DAY CI Kernel Test Service diff --git a/a/content_digest b/N1/content_digest index fac11ff..2210880 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,34 +1,42 @@ - "From\0Dan Carpenter <dan.carpenter@linaro.org>\0" + "From\0kernel test robot <lkp@intel.com>\0" "Subject\0[linux-next:master 4756/5283] kernel/fork.c:457 account_kernel_stack() warn: we never enter this loop\0" - "Date\0Mon, 1 Sep 2025 13:56:05 +0300\0" - "To\0oe-kbuild@lists.linux.dev" - " Vishal Moola (Oracle) <vishal.moola@gmail.com>\0" + "Date\0Sat, 30 Aug 2025 09:15:32 +0800\0" + "To\0oe-kbuild@lists.linux.dev\0" "Cc\0lkp@intel.com" - oe-kbuild-all@lists.linux.dev - Andrew Morton <akpm@linux-foundation.org> - " Linux Memory Management List <linux-mm@kvack.org>\0" + " Dan Carpenter <error27@gmail.com>\0" "\00:1\0" "b\0" + "BCC: lkp@intel.com\n" + "CC: oe-kbuild-all@lists.linux.dev\n" + "TO: \"Vishal Moola (Oracle)\" <vishal.moola@gmail.com>\n" + "CC: Andrew Morton <akpm@linux-foundation.org>\n" + "CC: Linux Memory Management List <linux-mm@kvack.org>\n" + "\n" "tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master\n" "head: 3cace99d63192a7250461b058279a42d91075d0c\n" "commit: e0aa7237ef4323a66ed06953225d9b07cf039530 [4756/5283] mm: tag kernel stack pages\n" + ":::::: branch date: 20 hours ago\n" + ":::::: commit date: 2 days ago\n" "config: hexagon-randconfig-r072-20250829 (https://download.01.org/0day-ci/archive/20250830/202508300929.TrRovUMu-lkp@intel.com/config)\n" "compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)\n" "\n" "If you fix the issue in a separate patch/commit (i.e. not just a new version of\n" "the same patch/commit), kindly add following tags\n" "| Reported-by: kernel test robot <lkp@intel.com>\n" - "| Reported-by: Dan Carpenter <dan.carpenter@linaro.org>\n" + "| Reported-by: Dan Carpenter <error27@gmail.com>\n" "| Closes: https://lore.kernel.org/r/202508300929.TrRovUMu-lkp@intel.com/\n" "\n" "smatch warnings:\n" "kernel/fork.c:457 account_kernel_stack() warn: we never enter this loop\n" "kernel/fork.c:457 account_kernel_stack() warn: unsigned 'i' is never less than zero.\n" + "kernel/fork.c:457 account_kernel_stack() warn: unsigned 'i' is never less than zero.\n" "kernel/fork.c:479 exit_task_stack_account() warn: we never enter this loop\n" "kernel/fork.c:479 exit_task_stack_account() warn: unsigned 'i' is never less than zero.\n" + "kernel/fork.c:479 exit_task_stack_account() warn: unsigned 'i' is never less than zero.\n" "\n" "vim +457 kernel/fork.c\n" "\n" + "^1da177e4c3f41 Linus Torvalds 2005-04-16 436 \n" "ba14a194a434cc Andy Lutomirski 2016-08-11 437 static void account_kernel_stack(struct task_struct *tsk, int account)\n" "c6a7f5728a1db4 KOSAKI Motohiro 2009-09-21 438 {\n" "0ce055f85335e4 Sebastian Andrzej Siewior 2022-02-17 439 \tif (IS_ENABLED(CONFIG_VMAP_STACK)) {\n" @@ -51,11 +59,6 @@ "e0aa7237ef4323 Vishal Moola (Oracle 2025-08-20 456) \n" "e0aa7237ef4323 Vishal Moola (Oracle 2025-08-20 @457) \t\tfor (i = 0; i < THREAD_SIZE / PAGE_SIZE; i++, page++)\n" "e0aa7237ef4323 Vishal Moola (Oracle 2025-08-20 458) \t\t\t__SetPageStack(page);\n" - "\n" - "Apparently in the linked config the THREAD_SIZE / PAGE_SIZE is zero.\n" - "Is this the expected behavior? I don't know mm enough to say the\n" - "answer...\n" - "\n" "ba14a194a434cc Andy Lutomirski 2016-08-11 459 \t}\n" "27faca83a7e955 Muchun Song 2021-04-29 460 }\n" "c6a7f5728a1db4 KOSAKI Motohiro 2009-09-21 461 \n" @@ -80,9 +83,10 @@ "e0aa7237ef4323 Vishal Moola (Oracle 2025-08-20 480) \t\t\t__ClearPageStack(page);\n" "9b6f7e163cd0f4 Roman Gushchin 2018-10-26 481 \t}\n" "9b6f7e163cd0f4 Roman Gushchin 2018-10-26 482 }\n" + "9b6f7e163cd0f4 Roman Gushchin 2018-10-26 483 \n" "\n" "-- \n" "0-DAY CI Kernel Test Service\n" https://github.com/intel/lkp-tests/wiki -4a0e896e71e1cf5c0ca3b0f13964cb0db4c588870a7ea431e8722f28ce790568 +994430c9648f98bd6dd0311022e79afcc7f72eabbad306efe38a52a95cba1885
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