tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 47d9bb711707d15b19fad18c8e2b4b027a264a3a commit: abb75a2a7ad1155be577117b0fa88a9b7f97f338 [11347/11453] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm.git config: loongarch-randconfig-r032-20230821 (https://download.01.org/0day-ci/archive/20230822/202308220024.7HnE6uda-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230822/202308220024.7HnE6uda-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/202308220024.7HnE6uda-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): fs/dlm/debug_fs.c: In function 'dlm_create_debug_file': fs/dlm/debug_fs.c:1020:58: warning: 'snprintf' output may be truncated before the last format character [-Wformat-truncation=] 1020 | snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_waiters", ls->ls_name); | ^ fs/dlm/debug_fs.c:1020:9: note: 'snprintf' output between 9 and 73 bytes into a destination of size 72 1020 | snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_waiters", ls->ls_name); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> fs/dlm/debug_fs.c:1031:50: warning: '_queued_asts' directive output may be truncated writing 12 bytes into a region of size between 8 and 72 [-Wformat-truncation=] 1031 | snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_queued_asts", ls->ls_name); | ^~~~~~~~~~~~ fs/dlm/debug_fs.c:1031:9: note: 'snprintf' output between 13 and 77 bytes into a destination of size 72 1031 | snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_queued_asts", ls->ls_name); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/_queued_asts +1031 fs/dlm/debug_fs.c 5b2f981fde8b0d Alexander Aring 2021-05-21 973 a48f9721e6db74 Greg Kroah-Hartman 2019-06-12 974 void dlm_create_debug_file(struct dlm_ls *ls) e7fd41792fc0ee David Teigland 2006-01-18 975 { 5de6319b183930 David Teigland 2006-07-25 976 char name[DLM_LOCKSPACE_LEN + 8]; 5de6319b183930 David Teigland 2006-07-25 977 d022509d1c54be David Teigland 2008-12-16 978 /* format 1 */ d022509d1c54be David Teigland 2008-12-16 979 5de6319b183930 David Teigland 2006-07-25 980 ls->ls_debug_rsb_dentry = debugfs_create_file(ls->ls_name, e7fd41792fc0ee David Teigland 2006-01-18 981 S_IFREG | S_IRUGO, e7fd41792fc0ee David Teigland 2006-01-18 982 dlm_root, e7fd41792fc0ee David Teigland 2006-01-18 983 ls, 892c4467e335e9 David Teigland 2009-01-07 984 &format1_fops); d022509d1c54be David Teigland 2008-12-16 985 d022509d1c54be David Teigland 2008-12-16 986 /* format 2 */ 5de6319b183930 David Teigland 2006-07-25 987 5de6319b183930 David Teigland 2006-07-25 988 memset(name, 0, sizeof(name)); d022509d1c54be David Teigland 2008-12-16 989 snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_locks", ls->ls_name); 5de6319b183930 David Teigland 2006-07-25 990 d022509d1c54be David Teigland 2008-12-16 991 ls->ls_debug_locks_dentry = debugfs_create_file(name, 5054e79de99984 Alexander Aring 2021-11-02 992 0644, 5de6319b183930 David Teigland 2006-07-25 993 dlm_root, 5de6319b183930 David Teigland 2006-07-25 994 ls, 892c4467e335e9 David Teigland 2009-01-07 995 &format2_fops); d022509d1c54be David Teigland 2008-12-16 996 d022509d1c54be David Teigland 2008-12-16 997 /* format 3 */ 5de6319b183930 David Teigland 2006-07-25 998 9dd592d70be0db David Teigland 2007-05-29 999 memset(name, 0, sizeof(name)); d022509d1c54be David Teigland 2008-12-16 1000 snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_all", ls->ls_name); 9dd592d70be0db David Teigland 2007-05-29 1001 d022509d1c54be David Teigland 2008-12-16 1002 ls->ls_debug_all_dentry = debugfs_create_file(name, 9dd592d70be0db David Teigland 2007-05-29 1003 S_IFREG | S_IRUGO, 9dd592d70be0db David Teigland 2007-05-29 1004 dlm_root, 9dd592d70be0db David Teigland 2007-05-29 1005 ls, 892c4467e335e9 David Teigland 2009-01-07 1006 &format3_fops); d022509d1c54be David Teigland 2008-12-16 1007 c04fecb4d9f775 David Teigland 2012-05-10 1008 /* format 4 */ c04fecb4d9f775 David Teigland 2012-05-10 1009 c04fecb4d9f775 David Teigland 2012-05-10 1010 memset(name, 0, sizeof(name)); c04fecb4d9f775 David Teigland 2012-05-10 1011 snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_toss", ls->ls_name); c04fecb4d9f775 David Teigland 2012-05-10 1012 c04fecb4d9f775 David Teigland 2012-05-10 1013 ls->ls_debug_toss_dentry = debugfs_create_file(name, c04fecb4d9f775 David Teigland 2012-05-10 1014 S_IFREG | S_IRUGO, c04fecb4d9f775 David Teigland 2012-05-10 1015 dlm_root, c04fecb4d9f775 David Teigland 2012-05-10 1016 ls, c04fecb4d9f775 David Teigland 2012-05-10 1017 &format4_fops); c04fecb4d9f775 David Teigland 2012-05-10 1018 d022509d1c54be David Teigland 2008-12-16 1019 memset(name, 0, sizeof(name)); d022509d1c54be David Teigland 2008-12-16 1020 snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_waiters", ls->ls_name); d022509d1c54be David Teigland 2008-12-16 1021 d022509d1c54be David Teigland 2008-12-16 1022 ls->ls_debug_waiters_dentry = debugfs_create_file(name, 63eab2b00bcff6 Alexander Aring 2021-11-02 1023 0644, d022509d1c54be David Teigland 2008-12-16 1024 dlm_root, d022509d1c54be David Teigland 2008-12-16 1025 ls, d022509d1c54be David Teigland 2008-12-16 1026 &waiters_fops); 541adb0d4d10b4 Alexander Aring 2023-08-01 1027 541adb0d4d10b4 Alexander Aring 2023-08-01 1028 /* format 5 */ 541adb0d4d10b4 Alexander Aring 2023-08-01 1029 541adb0d4d10b4 Alexander Aring 2023-08-01 1030 memset(name, 0, sizeof(name)); 541adb0d4d10b4 Alexander Aring 2023-08-01 @1031 snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_queued_asts", ls->ls_name); 541adb0d4d10b4 Alexander Aring 2023-08-01 1032 541adb0d4d10b4 Alexander Aring 2023-08-01 1033 ls->ls_debug_queued_asts_dentry = debugfs_create_file(name, 541adb0d4d10b4 Alexander Aring 2023-08-01 1034 0644, 541adb0d4d10b4 Alexander Aring 2023-08-01 1035 dlm_root, 541adb0d4d10b4 Alexander Aring 2023-08-01 1036 ls, 541adb0d4d10b4 Alexander Aring 2023-08-01 1037 &format5_fops); e7fd41792fc0ee David Teigland 2006-01-18 1038 } e7fd41792fc0ee David Teigland 2006-01-18 1039 :::::: The code at line 1031 was first introduced by commit :::::: 541adb0d4d10b4daf15f4b6b73c5d6b855d23eb5 fs: dlm: debugfs for queued callbacks :::::: TO: Alexander Aring <aahringo@xxxxxxxxxx> :::::: CC: David Teigland <teigland@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki