[ovs-build] Passed: ovsrobot/ovs#3668 (series_234547 - 5f34b8d)

[Travis CI]

Build Update for ovsrobot/ovs
-------------------------------------

Build: #3668
Status: Passed

Duration: 23 mins and 26 secs
Commit: 5f34b8d (series_234547)
Author: Flavio Fernandes
Message: ofp-parse: Fix segfault due to bad meter n_bands

Meter commands internally use ofctl_meter_mod__ and ofctl_meter_request__ functions,
which have an optional parameter called str. When str is NULL, these 2 functions
initialize a struct with meter bands set as NULL. It also needs to set meter
n_bands to 0.

Once del-meters change is added to test dpif-netdev.at is added, the valgrind report on
test '992: dpif-netdev - meters' shows this issue:

   Conditional jump or move depends on uninitialised value(s)
      at 0x473534: ofputil_put_bands (ofp-meter.c:207)
      by 0x473534: ofputil_encode_meter_mod (ofp-meter.c:557)
      by 0x40FBA2: ofctl_meter_mod__ (ovs-ofctl.c:4038)
      by 0x417BD3: ovs_cmdl_run_command__ (command-line.c:247)
      by 0x4078BA: main (ovs-ofctl.c:179)
    Uninitialised value was created by a stack allocation
      at 0x409350: ofctl_del_meters (ovs-ofctl.c:4088)

Fixes: 3200ed5805 ("ovs-ofctl: Add meter support.")
Signed-off-by: Flavio Fernandes <flavio at flaviof.com>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovs/commit/5f34b8d80183

View the full build log and details: https://travis-ci.com/github/ovsrobot/ovs/builds/220400515?utm_medium=notification&utm_source=email


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