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-rw-r--r--source3/libsmb/async_smb.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/source3/libsmb/async_smb.c b/source3/libsmb/async_smb.c
index eedc7d4481..b4d93ff968 100644
--- a/source3/libsmb/async_smb.c
+++ b/source3/libsmb/async_smb.c
@@ -759,6 +759,13 @@ static void handle_incoming_pdu(struct cli_state *cli)
}
+ if ((IVAL(pdu, 4) != 0x424d53ff) /* 0xFF"SMB" */
+ && (IVAL(pdu, 4) != 0x424d45ff)) /* 0xFF"EMB" */ {
+ DEBUG(10, ("Got non-SMB PDU\n"));
+ status = NT_STATUS_INVALID_NETWORK_RESPONSE;
+ goto invalidate_requests;
+ }
+
/*
* TODO: Handle oplock break requests
*/