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-rw-r--r--fs/ntfs/inode.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index 4435dbbc0b63..f5c058b3192c 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -629,6 +629,12 @@ static int ntfs_read_locked_inode(struct inode *vi)
}
a = ctx->attr;
/* Get the standard information attribute value. */
+ if ((u8 *)a + le16_to_cpu(a->data.resident.value_offset)
+ + le32_to_cpu(a->data.resident.value_length) >
+ (u8 *)ctx->mrec + vol->mft_record_size) {
+ ntfs_error(vi->i_sb, "Corrupt standard information attribute in inode.");
+ goto unm_err_out;
+ }
si = (STANDARD_INFORMATION*)((u8*)a +
le16_to_cpu(a->data.resident.value_offset));