CC: kbuild-...@lists.01.org CC: linux-e...@vger.kernel.org TO: Harshad Shirwadkar <harshadshirwad...@gmail.com> CC: "Theodore Ts'o" <ty...@mit.edu> CC: Andreas Dilger <adil...@dilger.ca> CC: Ritesh Harjani <ritesh.l...@gmail.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev head: 21175ca434c5d49509b73cf473618b01b0b85437 commit: f68f4063855903fd3a279e646451eab04db0655f [16/17] ext4: add proc files to monitor new structures :::::: branch date: 4 hours ago :::::: commit date: 4 hours ago config: x86_64-randconfig-s021-20210409 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-279-g6d5d9b42-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=f68f4063855903fd3a279e646451eab04db0655f git remote add ext4 https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git git fetch --no-tags ext4 dev git checkout f68f4063855903fd3a279e646451eab04db0655f # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> sparse warnings: (new ones prefixed by >>) fs/ext4/mballoc.c:2532:9: sparse: sparse: context imbalance in 'ext4_mb_good_group_nolock' - different lock contexts for basic block >> fs/ext4/mballoc.c:2966:13: sparse: sparse: context imbalance in >> 'ext4_mb_seq_structs_summary_start' - wrong count at exit fs/ext4/mballoc.c:3038:13: sparse: sparse: context imbalance in 'ext4_mb_seq_structs_summary_stop' - unexpected unlock vim +/ext4_mb_seq_structs_summary_start +2966 fs/ext4/mballoc.c a6c75eaf11032f Harshad Shirwadkar 2021-04-01 2965 f68f4063855903 Harshad Shirwadkar 2021-04-01 @2966 static void *ext4_mb_seq_structs_summary_start(struct seq_file *seq, loff_t *pos) f68f4063855903 Harshad Shirwadkar 2021-04-01 2967 { f68f4063855903 Harshad Shirwadkar 2021-04-01 2968 struct super_block *sb = PDE_DATA(file_inode(seq->file)); f68f4063855903 Harshad Shirwadkar 2021-04-01 2969 unsigned long position; f68f4063855903 Harshad Shirwadkar 2021-04-01 2970 f68f4063855903 Harshad Shirwadkar 2021-04-01 2971 read_lock(&EXT4_SB(sb)->s_mb_rb_lock); f68f4063855903 Harshad Shirwadkar 2021-04-01 2972 f68f4063855903 Harshad Shirwadkar 2021-04-01 2973 if (*pos < 0 || *pos >= MB_NUM_ORDERS(sb) + 1) f68f4063855903 Harshad Shirwadkar 2021-04-01 2974 return NULL; f68f4063855903 Harshad Shirwadkar 2021-04-01 2975 position = *pos + 1; f68f4063855903 Harshad Shirwadkar 2021-04-01 2976 return (void *) ((unsigned long) position); f68f4063855903 Harshad Shirwadkar 2021-04-01 2977 } f68f4063855903 Harshad Shirwadkar 2021-04-01 2978 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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