svn commit: r196038 - head/sys/kern
Julian Elischer
julian at FreeBSD.org
Sun Aug 2 16:59:03 UTC 2009
Author: julian
Date: Sun Aug 2 16:59:02 2009
New Revision: 196038
URL: http://svn.freebsd.org/changeset/base/196038
Log:
Stop uuidgen(2) from crashing in vimage kerenels.
make curvnet valid when needed.
Reviewed by: bz@
Approved by: re (kib)
Modified:
head/sys/kern/kern_uuid.c
Modified: head/sys/kern/kern_uuid.c
==============================================================================
--- head/sys/kern/kern_uuid.c Sun Aug 2 14:28:40 2009 (r196037)
+++ head/sys/kern/kern_uuid.c Sun Aug 2 16:59:02 2009 (r196038)
@@ -36,6 +36,7 @@ __FBSDID("$FreeBSD$");
#include <sys/socket.h>
#include <sys/sysproto.h>
#include <sys/systm.h>
+#include <sys/jail.h>
#include <sys/uuid.h>
#include <net/if.h>
@@ -93,6 +94,7 @@ uuid_node(uint16_t *node)
struct sockaddr_dl *sdl;
int i;
+ CURVNET_SET(TD_TO_VNET(curthread));
IFNET_RLOCK();
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
/* Walk the address list */
@@ -105,6 +107,7 @@ uuid_node(uint16_t *node)
bcopy(LLADDR(sdl), node, UUID_NODE_LEN);
IF_ADDR_UNLOCK(ifp);
IFNET_RUNLOCK();
+ CURVNET_RESTORE();
return;
}
}
@@ -115,6 +118,7 @@ uuid_node(uint16_t *node)
for (i = 0; i < (UUID_NODE_LEN>>1); i++)
node[i] = (uint16_t)arc4random();
*((uint8_t*)node) |= 0x01;
+ CURVNET_RESTORE();
}
/*
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