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| author | Yunlei He <heyunlei@huawei.com> | 2015-12-28 21:48:32 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-12-30 10:14:17 -0800 |
| commit | 179448bfe4cd201e98e728391c6b01b25c849fe8 (patch) | |
| tree | ecf6295f3123872805bbeb31671ac7f7425b8df8 /fs/f2fs/f2fs.h | |
| parent | 9a950d52b7f0e1c64c2cc70d350562fb18c8b451 (diff) | |
| download | linux-179448bfe4cd201e98e728391c6b01b25c849fe8.tar.bz2 | |
f2fs: add a max block check for get_data_block_bmap
This patch adds a max block check for get_data_block_bmap.
Trinity test program will send a block number as parameter into
ioctl_fibmap, which will be used in get_node_path(), when the block
number large than f2fs max blocks, it will trigger kernel bug.
Signed-off-by: Yunlei He <heyunlei@huawei.com>
Signed-off-by: Xue Liu <liuxueliu.liu@huawei.com>
[Jaegeuk Kim: fix missing condition, pointed by Chao Yu]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 3406e9966064..e04b2be6cd64 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1726,6 +1726,7 @@ static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) * super.c */ int f2fs_commit_super(struct f2fs_sb_info *, bool); +loff_t max_file_size(unsigned bits); int f2fs_sync_fs(struct super_block *, int); extern __printf(3, 4) void f2fs_msg(struct super_block *, const char *, const char *, ...); |