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-rw-r--r--fs/xfs/libxfs/xfs_attr_leaf.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index bb128db220ac..d6ef69ab1c67 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -515,7 +515,7 @@ xfs_attr_copy_value(
*========================================================================*/
/*
- * Query whether the requested number of additional bytes of extended
+ * Query whether the total requested number of attr fork bytes of extended
* attribute space will be able to fit inline.
*
* Returns zero if not, else the di_forkoff fork offset to be used in the
@@ -535,6 +535,12 @@ xfs_attr_shortform_bytesfit(
int maxforkoff;
int offset;
+ /*
+ * Check if the new size could fit at all first:
+ */
+ if (bytes > XFS_LITINO(mp))
+ return 0;
+
/* rounded down */
offset = (XFS_LITINO(mp) - bytes) >> 3;