diff options
Diffstat (limited to 'fs/ocfs2/inode.c')
| -rw-r--r-- | fs/ocfs2/inode.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 6c4f78f473fb..fcc89856ab95 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -1495,6 +1495,14 @@ int ocfs2_validate_inode_block(struct super_block *sb, goto bail; } + if (le16_to_cpu(di->i_suballoc_slot) != (u16)OCFS2_INVALID_SLOT && + (u32)le16_to_cpu(di->i_suballoc_slot) > OCFS2_SB(sb)->max_slots - 1) { + rc = ocfs2_error(sb, "Invalid dinode %llu: suballoc slot %u\n", + (unsigned long long)bh->b_blocknr, + le16_to_cpu(di->i_suballoc_slot)); + goto bail; + } + rc = 0; bail: |