[ovs-git] [openvswitch/ovs] d660cb: odp-util: Use flexible sized buffer to hold Geneve...

GitHub noreply at github.com
Fri Dec 22 19:22:30 UTC 2017


  Branch: refs/heads/branch-2.4
  Home:   https://github.com/openvswitch/ovs
  Commit: d660cb25182f8e46b3eaf443481d9d6b062380cd
      https://github.com/openvswitch/ovs/commit/d660cb25182f8e46b3eaf443481d9d6b062380cd
  Author: Ben Pfaff <blp at ovn.org>
  Date:   2017-12-22 (Fri, 22 Dec 2017)

  Changed paths:
    M lib/odp-util.c

  Log Message:
  -----------
  odp-util: Use flexible sized buffer to hold Geneve options.

The 'mask' buffer in parse_odp_action() is supposed to always be big
enough:
  /* 'mask' is big enough to hold any key. */

Geneve options can be really big and the comment was wrong.  In addition,
the user might supply more options than can really fit in any case, so
we might as well just use a stub.

Found by libfuzzer.

Reported-by: Bhargava Shastry <bshastry at sec.t-labs.tu-berlin.de>
Signed-off-by: Ben Pfaff <blp at ovn.org>




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