[ovs-git] [openvswitch/ovs] b0898a: odp-util: Don't attempt to write IPv6 flow label b...
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noreply at github.com
Wed Sep 12 21:28:14 UTC 2018
Branch: refs/heads/branch-2.8
Home: https://github.com/openvswitch/ovs
Commit: b0898aa426d9abfd27f943ecd8fe620218936291
https://github.com/openvswitch/ovs/commit/b0898aa426d9abfd27f943ecd8fe620218936291
Author: Ben Pfaff <blp at ovn.org>
Date: 2018-09-12 (Wed, 12 Sep 2018)
Changed paths:
M lib/odp-util.c
Log Message:
-----------
odp-util: Don't attempt to write IPv6 flow label bits that don't exist.
The ipv6_label field member of struct ovs_key_ipv6 is 32 bits in size,
but an IPv6 label is only 20 bits, so the upper 12 bits are not writable
and must be 0 in the mask. The code wasn't careful about this so it could
try to write them anyway. This commit fixes the problem.
Reported-by: nm_r at directbox.com
Reported-at: https://mail.openvswitch.org/pipermail/ovs-discuss/2018-September/047357.html
Signed-off-by: Ben Pfaff <blp at ovn.org>
Reviewed-by: Yifeng Sun <pkusunyifeng at gmail.com>
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