summaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/smb/client/reparse.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c
index e56a8df23fec..bd8808e50d12 100644
--- a/fs/smb/client/reparse.c
+++ b/fs/smb/client/reparse.c
@@ -651,6 +651,11 @@ int parse_reparse_point(struct reparse_data_buffer *buf,
case IO_REPARSE_TAG_LX_FIFO:
case IO_REPARSE_TAG_LX_CHR:
case IO_REPARSE_TAG_LX_BLK:
+ if (le16_to_cpu(buf->ReparseDataLength) != 0) {
+ cifs_dbg(VFS, "srv returned malformed buffer for reparse point: 0x%08x\n",
+ le32_to_cpu(buf->ReparseTag));
+ return -EIO;
+ }
break;
default:
cifs_tcon_dbg(VFS | ONCE, "unhandled reparse tag: 0x%08x\n",