When validating request length in ksmbd_check_message, 8byte alignment
is not needed for compound request. It can cause wrong validation
of request length.
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
---
fs/ksmbd/smb2misc.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/fs/ksmbd/smb2misc.c b/fs/ksmbd/smb2misc.c
index 2385622cc3c8..0239fa96926c 100644
--- a/fs/ksmbd/smb2misc.c
+++ b/fs/ksmbd/smb2misc.c
@@ -353,12 +353,10 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work)
__u32 clc_len; /* calculated length */
__u32 len = get_rfc1002_len(pdu);
- if (le32_to_cpu(hdr->NextCommand) > 0) {
+ if (le32_to_cpu(hdr->NextCommand) > 0)
len = le32_to_cpu(hdr->NextCommand);
- } else if (work->next_smb2_rcv_hdr_off) {
+ else if (work->next_smb2_rcv_hdr_off)
len -= work->next_smb2_rcv_hdr_off;
- len = round_up(len, 8);
- }
if (check_smb2_hdr(hdr))
return 1;
--
2.25.1
