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authorIngo Molnar <mingo@kernel.org>2017-08-10 16:49:46 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-10 16:49:46 +0200
commit636bf35880e5a79c2ecb10640137bbd9a4681cb7 (patch)
tree919ea9ac007b72acb92a99fb7e28c8238a69573f /fs/xfs/libxfs/xfs_dir2_data.c
parent276c87054751bb6adfa160a6e68e47b97592a897 (diff)
parent8d31f80eb38819e4f2905ad21c0e8998382a08f7 (diff)
Merge branch 'linus' into x86/platform, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/xfs/libxfs/xfs_dir2_data.c')
-rw-r--r--fs/xfs/libxfs/xfs_dir2_data.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index d478065b9544..8727a43115ef 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -136,6 +136,8 @@ __xfs_dir3_data_check(
*/
if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) {
XFS_WANT_CORRUPTED_RETURN(mp, lastfree == 0);
+ XFS_WANT_CORRUPTED_RETURN(mp, endp >=
+ p + be16_to_cpu(dup->length));
XFS_WANT_CORRUPTED_RETURN(mp,
be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup)) ==
(char *)dup - (char *)hdr);
@@ -164,6 +166,8 @@ __xfs_dir3_data_check(
XFS_WANT_CORRUPTED_RETURN(mp, dep->namelen != 0);
XFS_WANT_CORRUPTED_RETURN(mp,
!xfs_dir_ino_validate(mp, be64_to_cpu(dep->inumber)));
+ XFS_WANT_CORRUPTED_RETURN(mp, endp >=
+ p + ops->data_entsize(dep->namelen));
XFS_WANT_CORRUPTED_RETURN(mp,
be16_to_cpu(*ops->data_entry_tag_p(dep)) ==
(char *)dep - (char *)hdr);