File autofs-5.0.4-fix-hosts-map-use-after-free.patch of Package autofs

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File autofs-5.0.4-fix-hosts-map-use-after-free.patch of Package autofs

autofs-5.0.4 - fix hosts map use after free

From: Ian Kent <raven@themaw.net>

This patch fixed use a map entry after it has been freed in the
hosts map lookup module.
---

CHANGELOG              |    1 +
 modules/lookup_hosts.c |    8 +++++---
 2 files changed, 6 insertions(+), 3 deletions(-)

Index: autofs-5.0.4/modules/lookup_hosts.c
===================================================================
--- autofs-5.0.4.orig/modules/lookup_hosts.c
+++ autofs-5.0.4/modules/lookup_hosts.c
@@ -138,17 +138,19 @@ int lookup_mount(struct autofs_point *ap
 	/* Check if we recorded a mount fail for this key anywhere */
 	me = lookup_source_mapent(ap, name, LKP_DISTINCT);
 	if (me) {
+		struct mapent_cache *fmc = me->mc;
+
 		if (me->status >= time(NULL)) {
-			cache_unlock(me->mc);
+			cache_unlock(fmc);
 			return NSS_STATUS_NOTFOUND;
 		}
 
 		if (!me->mapent) {
-			cache_delete(me->mc, name);
+			cache_delete(fmc, name);
 			me = NULL;
 		}
 
-		cache_unlock(me->mc);
+		cache_unlock(fmc);
 	}
 
 	cache_readlock(mc);
Index: autofs-5.0.4/CHANGELOG
===================================================================
--- autofs-5.0.4.orig/CHANGELOG
+++ autofs-5.0.4/CHANGELOG
@@ -8,6 +8,7 @@
 - make hash table scale to thousands of entries (Paul Wankadia,
   Valerie Aurora Henson).
 - clear the quoted flag after each character from program map input.
+- fix hosts map use after free.
 
 4/11/2008 autofs-5.0.4
 -----------------------

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File autofs-5.0.4-fix-hosts-map-use-after-free.patch of Package autofs

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