diff options
Diffstat (limited to 'fs/smb/server/smb2pdu.c')
| -rw-r--r-- | fs/smb/server/smb2pdu.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 416f7df4edef..4f539eeadbb0 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -6663,6 +6663,10 @@ int smb2_read(struct ksmbd_work *work) } offset = le64_to_cpu(req->Offset); + if (offset < 0) { + err = -EINVAL; + goto out; + } length = le32_to_cpu(req->Length); mincount = le32_to_cpu(req->MinimumCount); @@ -6676,7 +6680,7 @@ int smb2_read(struct ksmbd_work *work) ksmbd_debug(SMB, "filename %pD, offset %lld, len %zu\n", fp->filp, offset, length); - aux_payload_buf = kvzalloc(length, KSMBD_DEFAULT_GFP); + aux_payload_buf = kvzalloc(ALIGN(length, 8), KSMBD_DEFAULT_GFP); if (!aux_payload_buf) { err = -ENOMEM; goto out; @@ -6878,6 +6882,8 @@ int smb2_write(struct ksmbd_work *work) } offset = le64_to_cpu(req->Offset); + if (offset < 0) + return -EINVAL; length = le32_to_cpu(req->Length); if (req->Channel == SMB2_CHANNEL_RDMA_V1 || |