tree: https://github.com/ceph/ceph-client.git testing head: 9ae621001c036dd1f5d8c143702d4d5e6a488a38 commit: 9ae621001c036dd1f5d8c143702d4d5e6a488a38 [1/1] ceph: fix null pointer dereference in ceph_flush_snaps() config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 9ae621001c036dd1f5d8c143702d4d5e6a488a38 # save the attached .config to linux build tree make.cross ARCH=xtensa All errors (new ones prefixed by >>): fs/ceph/caps.c: In function 'ceph_flush_snaps': >> fs/ceph/caps.c:1355:11: error: incompatible types when assigning to type 'struct ceph_mds_session *' from type 'struct ceph_mds_session' session = *session; ^ vim +1355 fs/ceph/caps.c 1349 struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc; 1350 struct ceph_mds_session *session = NULL; 1351 int mds; 1352 1353 dout("ceph_flush_snaps %p\n", inode); 1354 if (psession) > 1355 session = *session; 1356 retry: 1357 spin_lock(&ci->i_ceph_lock); 1358 if (!(ci->i_ceph_flags & CEPH_I_FLUSH_SNAPS)) { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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