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authorYunlei He <heyunlei@huawei.com>2016-07-28 07:12:38 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2016-08-24 20:16:14 +0300
commitbb413d6acd4e1c361daebf8486efc3923f429792 (patch)
treef29d40b7d7dfd66a5140cc08a987302029628e75 /fs/f2fs/segment.h
parentcad9d20784e9b31f0fa8eb82b4ae5dad633b560d (diff)
downloadlinux-bb413d6acd4e1c361daebf8486efc3923f429792.tar.xz
f2fs: not allow to write illegal blkaddr
we came across an error as below: [build_nat_area_bitmap:1710] nid[0x 1718] addr[0x 1c18ddc] ino[0x 1718] [build_nat_area_bitmap:1710] nid[0x 1719] addr[0x 1c193d5] ino[0x 1719] [build_nat_area_bitmap:1710] nid[0x 171a] addr[0x 1c1736e] ino[0x 171a] [build_nat_area_bitmap:1710] nid[0x 171b] addr[0x 58b3ee8f] ino[0x815f92ed] [build_nat_area_bitmap:1710] nid[0x 171c] addr[0x fcdc94b] ino[0x49366377] [build_nat_area_bitmap:1710] nid[0x 171d] addr[0x 7cd2facf] ino[0xb3c55300] [build_nat_area_bitmap:1710] nid[0x 171e] addr[0x bd4e25d0] ino[0x77c34c09] ... ... [build_nat_area_bitmap:1710] nid[0x 1718] addr[0x 1c18ddc] ino[0x 1718] [build_nat_area_bitmap:1710] nid[0x 1719] addr[0x 1c193d5] ino[0x 1719] [build_nat_area_bitmap:1710] nid[0x 171a] addr[0x 1c1736e] ino[0x 171a] [build_nat_area_bitmap:1710] nid[0x 171b] addr[0x 58b3ee8f] ino[0x815f92ed] [build_nat_area_bitmap:1710] nid[0x 171c] addr[0x fcdc94b] ino[0x49366377] [build_nat_area_bitmap:1710] nid[0x 171d] addr[0x 7cd2facf] ino[0xb3c55300] [build_nat_area_bitmap:1710] nid[0x 171e] addr[0x bd4e25d0] ino[0x77c34c09] One nat block may be stepped by a data block, so this patch forbid to write if the blkaddr is illegal Signed-off-by: Yunlei He <heyunlei@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.h')
-rw-r--r--fs/f2fs/segment.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index b33f73ec60a4..87156c739796 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -587,8 +587,8 @@ static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
{
- f2fs_bug_on(sbi, blk_addr < SEG0_BLKADDR(sbi)
- || blk_addr >= MAX_BLKADDR(sbi));
+ BUG_ON(blk_addr < SEG0_BLKADDR(sbi)
+ || blk_addr >= MAX_BLKADDR(sbi));
}
/*