On Mon, 2003-03-24 at 23:04, Dave Jones wrote:
> Slab corruption: start=cf480a84, expend=cf480bb7, problemat=cf480aec
> Last user: [<c03ed43a>](destroy_conntrack+0xf8/0x159)
> Data: ********************************************************************************************************EC 0A 48 CF EC 0A 48 CF ***************************************************************************************************************************************************************************************************A5
> Next: 71 F0 2C .3A D4 3E C0 71 F0 2C .********************
> slab error in check_poison_obj(): cache `ip_conntrack': object was modified after freeing
Are you using a conntrack helper (ie. ip_conntrack_ftp) ?
If so then this is fixed in -mm. If not then this is another bug that I
need to track down.
I've been trying to get hold of Harald Welte for a few days now, all
netfilter patches should go through him -> davem -> linus/marcelo.
--- linux-2.5.64-bk10/net/ipv4/netfilter/ip_conntrack_core.c.orig 2003-03-21 01:42:57.000000000 +0100
+++ linux-2.5.64-bk10/net/ipv4/netfilter/ip_conntrack_core.c 2003-03-22 00:43:28.000000000 +0100
@@ -274,6 +274,7 @@
* the un-established ones only */
if (exp->sibling) {
DEBUGP("remove_expectations: skipping established %p of %p\n", exp->sibling, ct);
+ exp->expectant = NULL;
continue;
}
@@ -327,9 +328,11 @@
WRITE_LOCK(&ip_conntrack_lock);
/* Delete our master expectation */
if (ct->master) {
- /* can't call __unexpect_related here,
- * since it would screw up expect_list */
- list_del(&ct->master->expected_list);
+ if (ct->master->expectant) {
+ /* can't call __unexpect_related here,
+ * since it would screw up expect_list */
+ list_del(&ct->master->expected_list);
+ }
kfree(ct->master);
}
WRITE_UNLOCK(&ip_conntrack_lock);
-- /Martin - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon Mar 31 2003 - 22:00:17 EST