Message-ID: <43F1CA4F.8030102@yahoo.com>
From: Pedro Monjo Florit <pmonjo2000@yahoo.com>
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Subject: [Bluez-devel] Re: Possible bug in sdp.c
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Date: Tue, 14 Feb 2006 13:17:19 +0100

Pedro Monjo Florit wrote:
> Hi,
>=20
> I have seen what *may* be a possible bug in sdp.c. If there is an error=
=20
> in a SDP PDU sent by a bluetooth device, it seems that the SDP parsing=20
> code in sdp.c enters an infinite loop filling syslog with the following=
=20
> message: "Unknown sequence type, aborting".
>=20
> I have been tracking down the cause and I have found where the problem=20
> might be. The function sdp_extract_seqtype() may return 0 in case of=20
> unrecognized data, but this case does not seem to be handled in the=20
> calls to this function (for example, in sdp_service_search_attr_req() o=
r=20
> in sdp_extract_pdu()).
>=20
> Could anybody tell me whether am I right or wrong? Has anybody seen a=20
> similar behaviour?
>=20

I have been doing some further research and it is a Samsung. In previous=20
posts, there have been some bug reports regarding this brands, such as=20
raising SIGSEGV while looking up for DUN service. Lo=EFc Lefort sent a=20
patch that works pretty well with many phones, but there seems to be a=20
new Samsung phone that sends other unexpected SDP data, but I still do=20
not know which model.

Regards,

Pedro


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