Hi Florian, [auto build test WARNING on nf-next/master] url: https://github.com/0day-ci/linux/commits/Florian-Westphal/netfilter-conntrack-removal-prealloc-support/20170420-100813 base: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:264:8: sparse: attribute 'no_sanitize_address': unknown attribute >> net/netfilter/nf_conntrack_extend.c:83:17: sparse: incompatible types in comparison expression (different address spaces) vim +83 net/netfilter/nf_conntrack_extend.c 67 t = rcu_dereference(nf_ct_ext_types[id]); 68 if (!t) { 69 rcu_read_unlock(); 70 return NULL; 71 } 72 73 newoff = ALIGN(oldlen, t->align); 74 newlen = newoff + t->len; 75 rcu_read_unlock(); 76 77 alloc = max(newlen, NF_CT_EXT_PREALLOC); 78 new = __krealloc(old, alloc, gfp); 79 if (!new) 80 return NULL; 81 82 if (!old) { > 83 RCU_INIT_POINTER(ct->ext, new); 84 memset(new->offset, 0, sizeof(new->offset)); 85 } else if (new != old) { 86 kfree_rcu(old, rcu); 87 rcu_assign_pointer(ct->ext, new); 88 } 89 90 new->offset[id] = newoff; 91 new->len = newlen; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html