openbsc.git branch master updated. 0.15.0-655-g35706ddd8

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gitosis at osmocom.org gitosis at osmocom.org
Thu Feb 2 23:37:39 UTC 2017


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the project "The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)".

The branch, master has been updated
       via  35706ddd80c248a9ef26e702c81e9865a7b8cf6d (commit)
      from  26adfd099b8af407b038ae3bc9c70eced829a386 (commit)

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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/openbsc/commit/?id=35706ddd80c248a9ef26e702c81e9865a7b8cf6d

commit 35706ddd80c248a9ef26e702c81e9865a7b8cf6d
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Thu Dec 22 01:58:03 2016 +0100

    gsm0408_rcv_cc: guard against NULL subscriber
    
    Check conn->subscr against NULL.
    
    gsm0408_rcv_cc() dereferences many conn members without checking presence: the
    bts and lchan members may be expected to be NULL in the ongoing MSC split and
    3G developments.
    
    But the conn->subscr is initially NULL, so an MS sending a CC message before
    something like a LU or CM Service Request will result in a segfault. Prevent
    that.
    
    Note: the upcoming VLR will be more restrictive on what messages are processed,
    this is a "backport" to the situation on current master.
    
    Change-Id: If067db7cc0dd3210d9eb1da15be6b637795a3ecf

-----------------------------------------------------------------------

Summary of changes:
 openbsc/src/libmsc/gsm_04_08.c | 5 +++++
 1 file changed, 5 insertions(+)


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