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| author | Dave Chinner <david@fromorbit.com> | 2014-09-09 13:25:31 +1000 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2014-09-09 13:25:31 +1000 |
| commit | a4241aebe924136d6838fd516da6daa727fcd728 (patch) | |
| tree | 5a69b8c8e2ab358ad490150c2bd5b0c53893b5e7 /fs/xfs/libxfs/xfs_alloc.c | |
| parent | 41b9d7263ea1e270019c5d04fa0ab15db50b9725 (diff) | |
| parent | ab6978c295b074eb2ba4b06fdf206c7ab4f293e5 (diff) | |
Merge branch 'xfs-misc-fixes-for-3.18-1' into for-next
Diffstat (limited to 'fs/xfs/libxfs/xfs_alloc.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_alloc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 4bffffe038a..eff34218f40 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2209,6 +2209,10 @@ xfs_agf_verify( be32_to_cpu(agf->agf_flcount) <= XFS_AGFL_SIZE(mp))) return false; + if (be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]) > XFS_BTREE_MAXLEVELS || + be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) > XFS_BTREE_MAXLEVELS) + return false; + /* * during growfs operations, the perag is not fully initialised, * so we can't use it for any useful checking. growfs ensures we can't |