diff options
Diffstat (limited to 'fs/f2fs/gc.c')
| -rw-r--r-- | fs/f2fs/gc.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index ba30ec90952f..963fb4571fd9 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -656,6 +656,11 @@ static int ra_data_block(struct inode *inode, pgoff_t index) if (f2fs_lookup_extent_cache(inode, index, &ei)) { dn.data_blkaddr = ei.blk + index - ei.fofs; + if (unlikely(!f2fs_is_valid_blkaddr(sbi, dn.data_blkaddr, + DATA_GENERIC_ENHANCE_READ))) { + err = -EFAULT; + goto put_page; + } goto got_it; } @@ -665,8 +670,12 @@ static int ra_data_block(struct inode *inode, pgoff_t index) goto put_page; f2fs_put_dnode(&dn); + if (!__is_valid_data_blkaddr(dn.data_blkaddr)) { + err = -ENOENT; + goto put_page; + } if (unlikely(!f2fs_is_valid_blkaddr(sbi, dn.data_blkaddr, - DATA_GENERIC))) { + DATA_GENERIC_ENHANCE))) { err = -EFAULT; goto put_page; } |