[ovs-git] [openvswitch/ovs] b612cc: actions: Enforce a maximum limit for nested action...

GitHub noreply at github.com
Fri Nov 9 21:16:59 UTC 2018


  Branch: refs/heads/branch-2.7
  Home:   https://github.com/openvswitch/ovs
  Commit: b612cc1a26e626e250ea4efbe539683c6feacab7
      https://github.com/openvswitch/ovs/commit/b612cc1a26e626e250ea4efbe539683c6feacab7
  Author: Yifeng Sun <pkusunyifeng at gmail.com>
  Date:   2018-11-09 (Fri, 09 Nov 2018)

  Changed paths:
    M ovn/lib/actions.c

  Log Message:
  -----------
  actions: Enforce a maximum limit for nested action depth

If nested depth of actions is too deep, then the stack will be overflown
and ovs-vswitch crashes. This patch prevents this by adding a depth limit
to nested actions.

Reported-at: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11237
Signed-off-by: Yifeng Sun <pkusunyifeng at gmail.com>
Signed-off-by: Ben Pfaff <blp at ovn.org>



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