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nspawn: don't try to create veth link with too long ifname
author
Tom Gundersen
<teg@jklm.no>
Fri, 19 Sep 2014 21:02:00 +0000
(23:02 +0200)
committer
Tom Gundersen
<teg@jklm.no>
Fri, 19 Sep 2014 21:02:00 +0000
(23:02 +0200)
Reported by: James Lott <james@lottspot.com>
src/nspawn/nspawn.c
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diff --git
a/src/nspawn/nspawn.c
b/src/nspawn/nspawn.c
index
5af89c9
..
c22d0cb
100644
(file)
--- a/
src/nspawn/nspawn.c
+++ b/
src/nspawn/nspawn.c
@@
-1657,7
+1657,7
@@
static int setup_veth(pid_t pid, char iface_name[IFNAMSIZ], int *ifi) {
/* Use two different interface name prefixes depending whether
* we are in bridge mode or not. */
- snprintf(iface_name, IFNAMSIZ, "%s-%s",
+ snprintf(iface_name, IFNAMSIZ
- 1
, "%s-%s",
arg_network_bridge ? "vb" : "ve", arg_machine);
r = generate_mac(&mac_container, CONTAINER_HASH_KEY);