Messages in this thread | | | Date | Tue, 27 Dec 2016 07:12:30 +0800 | From | kbuild test robot <> | Subject | fs/btrfs/qgroup.c:1616:18: warning: array subscript is below array bounds |
| |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b4b8664d291ac1998e0f0bcdc96b6397f0fe68b3 commit: 33d1f05ccb698aa92db3e64a639ce523cf18a408 btrfs: Export and move leaf/subtree qgroup helpers to qgroup.c date: 4 weeks ago config: x86_64-randconfig-in0-12270518 (attached as .config) compiler: gcc-4.6 (Debian 4.6.4-7) 4.6.4 reproduce: git checkout 33d1f05ccb698aa92db3e64a639ce523cf18a408 # save the attached .config to linux build tree make ARCH=x86_64
Note: it may well be a FALSE warning. FWIW you are at least aware of it now.
All warnings (new ones prefixed by >>):
fs/btrfs/qgroup.c: In function 'adjust_slots_upwards.isra.13': >> fs/btrfs/qgroup.c:1616:18: warning: array subscript is below array bounds [-Warray-bounds] fs/btrfs/qgroup.c:1617:2: warning: array subscript is below array bounds [-Warray-bounds]
vim +1616 fs/btrfs/qgroup.c
1600 free_extent_buffer(eb); 1601 path->nodes[level] = NULL; 1602 path->slots[level] = 0; 1603 } 1604 } else { 1605 /* 1606 * We have a valid slot to walk back down 1607 * from. Stop here so caller can process these 1608 * new nodes. 1609 */ 1610 break; 1611 } 1612 1613 level++; 1614 } 1615 > 1616 eb = path->nodes[root_level]; 1617 if (path->slots[root_level] >= btrfs_header_nritems(eb)) 1618 return 1; 1619 1620 return 0; 1621 } 1622 1623 int btrfs_qgroup_trace_subtree(struct btrfs_trans_handle *trans, 1624 struct btrfs_root *root,
--- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation [unhandled content-type:application/gzip] | |