Change in libosmocore[master]: gprs_ns2: add recursive anchor to protect against double free

lynxis lazus gerrit-no-reply at lists.osmocom.org
Thu Aug 12 02:38:40 UTC 2021


Hello Jenkins Builder, 

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

    https://gerrit.osmocom.org/c/libosmocore/+/25143

to look at the new patch set (#2).

Change subject: gprs_ns2: add recursive anchor to protect against double free
......................................................................

gprs_ns2: add recursive anchor to protect against double free

When free'ing a NSE/NSVC/BIND ensure there can't be a double
free by using a free anchor in the struct.

Recursive free's can happen when the NS user reacts on an event
(e.g. GPRS_NS2_AFF_CAUSE_VC_FAILURE) and calls the free().
Or when the user free's a NSVC when the NSE uses SNS as configuration,
the fsm tries to free it again.

Change-Id: If9823aadaa936e136aa43e88cee925ddd5974841
---
M src/gb/gprs_ns2.c
M src/gb/gprs_ns2_internal.h
2 files changed, 20 insertions(+), 5 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/43/25143/2
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: If9823aadaa936e136aa43e88cee925ddd5974841
Gerrit-Change-Number: 25143
Gerrit-PatchSet: 2
Gerrit-Owner: lynxis lazus <lynxis at fe80.eu>
Gerrit-Reviewer: Jenkins Builder
Gerrit-CC: laforge <laforge at osmocom.org>
Gerrit-MessageType: newpatchset
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