This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)". The branch, master has been updated via 74b2028167ddf04a867ae9f269bfa3435c93f252 (commit) from 33f2c4d898c59a05c8122fd9897cbd22f643b367 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- http://cgit.osmocom.org/openbsc/commit/?id=74b2028167ddf04a867ae9f269bfa3435... commit 74b2028167ddf04a867ae9f269bfa3435c93f252 Author: Jacob Erlbeck <jerlbeck@sysmocom.de> Date: Mon Nov 10 08:30:31 2014 +0100 bsc: Fix use-after-free on OML NM messages from the BTS Currently the sign_link pointer is dereferenced after a call to osmo_signal_dispatch, which can indirectly call e1inp_sign_link_destroy. If that happens, accessing *sign_link is illegal and can lead to a segmentation violation. Since only the bts pointer is needed from sign_link after the call to osmo_signal_dispatch, this patch changes abis_nm_rcvmsg_fom to save that pointer to a local variable earlier. Addresses: <0019> input/ipa.c:250 accept()ed new link from 192.168.1.101 to port 3002 SET ATTR NACK CAUSE=Message cannot be performed <0005> bsc_init.c:52 Got a NACK going to drop the OML links. <001b> bsc_init.c:319 Lost some E1 TEI link: 1 0xb351a830 ================================================================= ==13198== ERROR: AddressSanitizer: heap-use-after-free on address 0xb5d1bc70 at pc 0x80a6e3d bp 0xbfbb33d8 sp 0xbfbb33cc Sponsored-by: On-Waves ehf ----------------------------------------------------------------------- Summary of changes: openbsc/src/libbsc/abis_nm.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) hooks/post-receive -- The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)