tree: https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git for-next.radical6j head: 7b8c8263459404aea0c41574ef44e827d7ea1215 commit: cd52bd209f8ecfa145ace8ed08d19877ef38d43e [22/26] gfs2: Call state machine directly in clear_glock config: x86_64-randconfig-s022-20210311 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-262-g5e674421-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git/commi... git remote add gfs2 https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git git fetch --no-tags gfs2 for-next.radical6j git checkout cd52bd209f8ecfa145ace8ed08d19877ef38d43e # 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 <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" fs/gfs2/glock.c: note: in included file: fs/gfs2/glock.h:222:36: sparse: sparse: context imbalance in '__gfs2_glock_put' - unexpected unlock fs/gfs2/glock.c:973:9: sparse: sparse: context imbalance in 'state_machine' - wrong count at exit fs/gfs2/glock.c:1949:26: sparse: sparse: context imbalance in 'gfs2_dispose_glock_lru' - different lock contexts for basic block vim +/clear_glock +2137 fs/gfs2/glock.c 2123 2124 /** 2125 * clear_glock - look at a glock and see if we can free it from glock cache 2126 * @gl: the glock to look at 2127 * 2128 */ 2129 2130 static void clear_glock(struct gfs2_glock *gl) 2131 { 2132 gfs2_glock_remove_from_lru(gl); 2133 2134 spin_lock(&gl->gl_lockref.lock); 2135 if (gl->gl_state != LM_ST_UNLOCKED) 2136 request_unlock(gl); 2138 spin_unlock(&gl->gl_lockref.lock); 2139 } 2140 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org