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fixeria gerrit-no-reply at lists.osmocom.orgHello Jenkins Builder, I'd like you to reexamine a change. Please visit https://gerrit.osmocom.org/c/osmocom-bb/+/17449 to look at the new patch set (#2). Change subject: trxcon/scheduler: be safe against a theoretical integer overflow ...................................................................... trxcon/scheduler: be safe against a theoretical integer overflow As was noted by Pau Espin Pedrol, there is a theoretical chance that lchan->tdma.num_proc would overflow, so as a consequence, subst_frame_loss() will be unable to compensate one (potentionally lost) Downlink burst. On practice, given the size of unsigned long and duration of a single TDMA frame, it would only happen once in roughly ~6 years. FRAME_DURATION = 4615 * 10e-6 ULONG_MAX = 2 ** 32 - 1 FRAME_DURATION * ULONG_MAX -> ~198212740 seconds -> ~55059 hours -> ~2294 days -> ~6 years. Chances are that trxcon would crash much earlier, or even GSM would be completely forgotten after such a long time run, but let's work this around and simply start counting from 1 if that overflow eventually happens. Change-Id: I3d40ef09b06039a85df52af06ab38de314e1a434 --- M src/host/trxcon/sched_trx.c 1 file changed, 10 insertions(+), 1 deletion(-) git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/49/17449/2 -- To view, visit https://gerrit.osmocom.org/c/osmocom-bb/+/17449 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmocom-bb Gerrit-Branch: master Gerrit-Change-Id: I3d40ef09b06039a85df52af06ab38de314e1a434 Gerrit-Change-Number: 17449 Gerrit-PatchSet: 2 Gerrit-Owner: fixeria <axilirator at gmail.com> Gerrit-Reviewer: Jenkins Builder Gerrit-MessageType: newpatchset -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20200310/0e8d3f98/attachment.htm>