Author: bdrewery
Date: Thu Mar 24 03:08:39 2016
New Revision: 297222
URL: https://svnweb.freebsd.org/changeset/base/297222
Log:
Fix M_RTABLE memory leak from r274118 (11/2014).
Replace free(M_RTABLE) with rn_detachhead() to match rn_inithead().
This would trigger when reloading NFS exports and was similar to
problems with pf reload [1].
PR: 194078 [1]
Sponsored by: EMC / Isilon Storage Division
Modified:
head/sys/kern/vfs_export.c
Modified: head/sys/kern/vfs_export.c
==============================================================================
--- head/sys/kern/vfs_export.c Thu Mar 24 02:15:23 2016 (r297221)
+++ head/sys/kern/vfs_export.c Thu Mar 24 03:08:39 2016 (r297222)
@@ -259,7 +259,7 @@ vfs_free_addrlist_af(struct radix_node_h
(*rnh->rnh_walktree)(&rnh->rh, vfs_free_netcred, &rnh->rh);
RADIX_NODE_HEAD_UNLOCK(rnh);
RADIX_NODE_HEAD_DESTROY(rnh);
- free(rnh, M_RTABLE);
+ rn_detachhead((void **)prnh);
prnh = NULL;
}
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