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-rw-r--r--source3/smbd/trans2.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c
index 7617662080..3bd5656cd1 100644
--- a/source3/smbd/trans2.c
+++ b/source3/smbd/trans2.c
@@ -3297,6 +3297,12 @@ cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (u
DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n",
(int)strlen(vname),vname,
lp_servicename(talloc_tos(), snum)));
+ if (max_data_bytes >= 24 && data_len > max_data_bytes) {
+ /* the client only requested a portion of the
+ volume label */
+ data_len = max_data_bytes;
+ status = STATUS_BUFFER_OVERFLOW;
+ }
break;
case SMB_QUERY_FS_SIZE_INFO: