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http://cgit.osmocom.org/openbsc/commit/?id=881064e9b81de4aee7a9cdd521848602…
commit 881064e9b81de4aee7a9cdd52184860260f8723c
Author: Max <msuraev(a)sysmocom.de>
Date: Wed Dec 14 14:51:40 2016 +0100
Prevent segfault in range encoding
* Explicitly check when ARFCN array split is impossible and return
gracefully instead of using negative index.
* Separate range encoding into generic function and use it for all
SI-related things.
* Propagate the error into that function and to its callers.
* Add separate test-case for the segfault previously triggered by this bug.
Change-Id: I3e049ab2d7c1c4d6c791b148f37e10636a8e43e0
Related: RT#7379
-----------------------------------------------------------------------
Summary of changes:
openbsc/include/openbsc/system_information.h | 4 ++
openbsc/src/libbsc/arfcn_range_encode.c | 4 ++
openbsc/src/libbsc/rest_octets.c | 21 ++++++---
openbsc/src/libbsc/system_information.c | 66 +++++++++++++++-------------
openbsc/tests/gsm0408/gsm0408_test.c | 16 +++++++
openbsc/tests/gsm0408/gsm0408_test.ok | 4 ++
6 files changed, 78 insertions(+), 37 deletions(-)
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The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)