tree 142cf73db4841cf57b2d28a9812bf9f68e5ec23e
parent a4399c8891ec3302a08ab11da6827ef762024c50
author Pau Espin Pedrol <pespin@sysmocom.de> 1523980704 +0200
committer Pau Espin Pedrol <pespin@sysmocom.de> 1524041876 +0000

osmo_get_macaddr: Fix buffer read out of bounds

Catched by address sanitizer in osmo-bts-trx during osmo-gsm-tester test
run.

==25503==ERROR: AddressSanitizer: global-buffer-overflow on address 0x55b4e8468780 at pc 0x7fd824f543ba bp 0x7fffc21009f0 sp 0x7fffc21009e8
READ of size 16 at 0x55b4e8468780 thread T0
    #0 0x7fd824f543b9 in osmo_get_macaddr libosmocore/src/macaddr.c:132
    #1 0x55b4e842df33 in abis_open osmo-bts/src/common/abis.c:256
    #2 0x55b4e84286c9 in bts_main osmo-bts/src/common/main.c:342
    #3 0x7fd8235ab2e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)
    #4 0x55b4e838e759 in _start (/home/jenkins/workspace/osmo-gsm-tester_run-prod/trial-807/inst/osmo-bts/bin/osmo-bts-trx+0xfc759)

Change-Id: I3727ef339279c8eeb85908735467bfd0e02ca259