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| author | Yunlei He <heyunlei@huawei.com> | 2016-07-28 07:12:38 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-08-24 20:16:14 +0300 |
| commit | bb413d6acd4e1c361daebf8486efc3923f429792 (patch) | |
| tree | f29d40b7d7dfd66a5140cc08a987302029628e75 | |
| parent | cad9d20784e9b31f0fa8eb82b4ae5dad633b560d (diff) | |
| download | linux-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>
| -rw-r--r-- | fs/f2fs/segment.h | 4 |
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)); } /* |