aboutsummaryrefslogtreecommitdiffstats
path: root/fs/smb/server/smb2pdu.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/smb/server/smb2pdu.c')
-rw-r--r--fs/smb/server/smb2pdu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 5723bbf372d7cc..ee4b2875a021c5 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -535,6 +535,10 @@ int smb2_allocate_rsp_buf(struct ksmbd_work *work)
if (cmd == SMB2_QUERY_INFO_HE) {
struct smb2_query_info_req *req;
+ if (get_rfc1002_len(work->request_buf) <
+ offsetof(struct smb2_query_info_req, OutputBufferLength))
+ return -EINVAL;
+
req = smb2_get_msg(work->request_buf);
if ((req->InfoType == SMB2_O_INFO_FILE &&
(req->FileInfoClass == FILE_FULL_EA_INFORMATION ||