diff options
| -rw-r--r-- | fs/smb/client/reparse.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c index 732b3b51128b..e81d2d78ddb7 100644 --- a/fs/smb/client/reparse.c +++ b/fs/smb/client/reparse.c @@ -719,6 +719,11 @@ 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", |