Change in libosmocore[master]: gprs_ns2: Use TLVP_PRES_LEN instead of TLVP_PRESENT

[laforge]

Hello Jenkins Builder, daniel, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/c/libosmocore/+/21494

to look at the new patch set (#4).

Change subject: gprs_ns2: Use TLVP_PRES_LEN instead of TLVP_PRESENT
......................................................................

gprs_ns2: Use TLVP_PRES_LEN instead of TLVP_PRESENT

With TLVP_PRESENT we only check if a given TLV/IE is present,
but don't verify that it's length matches our expectation.  This can
lead to out-of-bounds reads, so let's always use TLVP_PRES_LEN.

Change-Id: I4c438bc82ea6a48243db568f96a234adf784dc0b
---
M src/gb/gprs_ns2.c
M src/gb/gprs_ns2_message.c
2 files changed, 14 insertions(+), 13 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/94/21494/4
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I4c438bc82ea6a48243db568f96a234adf784dc0b
Gerrit-Change-Number: 21494
Gerrit-PatchSet: 4
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: daniel <dwillmann at sysmocom.de>
Gerrit-CC: fixeria <vyanitskiy at sysmocom.de>
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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