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| author | Yunlei He <heyunlei@huawei.com> | 2015-12-28 16:48:32 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-12-30 21:14:17 +0300 |
| commit | 179448bfe4cd201e98e728391c6b01b25c849fe8 (patch) | |
| tree | ecf6295f3123872805bbeb31671ac7f7425b8df8 /fs/f2fs/super.c | |
| parent | 9a950d52b7f0e1c64c2cc70d350562fb18c8b451 (diff) | |
| download | linux-179448bfe4cd201e98e728391c6b01b25c849fe8.tar.xz | |
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/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 75704d9caae2..a2e3a8f893ed 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -907,7 +907,7 @@ static const struct export_operations f2fs_export_ops = { .get_parent = f2fs_get_parent, }; -static loff_t max_file_size(unsigned bits) +loff_t max_file_size(unsigned bits) { loff_t result = (DEF_ADDRS_PER_INODE - F2FS_INLINE_XATTR_ADDRS); loff_t leaf_count = ADDRS_PER_BLOCK; |