tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable-security.git linux-3.2.y-security head: 898614808b51d26adab360afbbbc5b501abdf962 commit: 71d417302c0d4ea1341902c88218769ab91e28e8 [1025/1698] idr: fix overflow bug during maximum ID calculation at maximum height config: i386-randconfig-s0-201636 (attached as .config) compiler: gcc-4.9 (Debian 4.9.3-14) 4.9.3 reproduce: git checkout 71d417302c0d4ea1341902c88218769ab91e28e8 # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): lib/idr.c: In function 'sub_alloc': >> lib/idr.c:162:4: error: implicit declaration of function 'idr_max' [-Werror=implicit-function-declaration] if (id > idr_max(idp->layers)) { ^ cc1: some warnings being treated as errors vim +/idr_max +162 lib/idr.c 156 /* no space available go back to previous layer. */ 157 l++; 158 oid = id; 159 id = (id | ((1 << (IDR_BITS * l)) - 1)) + 1; 160 161 /* if already at the top layer, we need to grow */ > 162 if (id > idr_max(idp->layers)) { 163 *starting_id = id; 164 return IDR_NEED_TO_GROW; 165 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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