[Bug 1522371] [NEW] iproute2: seg fault with 'ip link type gre ...' commands

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You have been subscribed to a public bug by Sebastien Bacher (seb128):

This upstream patch needs to be backported:
bde5baa5476c gre: raising the size of the buffer holding nl messages.
https://git.kernel.org/cgit/linux/kernel/git/shemminger/iproute2.git/commit/?id=bde5baa5476c

Example:
root at ubuntu1404:~# ip link add dummy1 type dummy
root at ubuntu1404:~# ip a a 10.200.0.1/24 dev dummy1
root at ubuntu1404:~# ip link add gre2 type gre local 10.200.0.1 remote 10.200.0.2 dev dummy1
root at ubuntu1404:~# ip link set gre2 type gre ttl 32
addattr_l ERROR: message exceeded bound of 1024
addattr_l ERROR: message exceeded bound of 1024
addattr_l ERROR: message exceeded bound of 1024
addattr_l ERROR: message exceeded bound of 1024
addattr_l ERROR: message exceeded bound of 1024
addattr_l ERROR: message exceeded bound of 1024
addattr_l ERROR: message exceeded bound of 1024
addattr_l ERROR: message exceeded bound of 1024
addattr_l ERROR: message exceeded bound of 1024
*** stack smashing detected ***: ip terminated
Aborted
root at ubuntu1404:~# uname -a
Linux ubuntu1404 3.13.0-66-generic #108-Ubuntu SMP Wed Oct 7 15:20:27 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
root at ubuntu1404:~# ip -V
ip utility, iproute2-ss131122
root at ubuntu1404:~#

** Affects: iproute2 (Ubuntu)
     Importance: High
         Status: Triaged


** Tags: bitesize
-- 
iproute2: seg fault with 'ip link type gre ...' commands
https://bugs.launchpad.net/bugs/1522371
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