Attachment 87491 Details for Bug 117749

[patch] proper patch for the 10.0 kernel

xfrm_endless_loop (text/plain), 1011 bytes, created by Jiri Bohac on 2006-06-06 16:01:59 UTC

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Creator: Jiri Bohac

Created: 2006-06-06 16:01:59 UTC

Size: 1011 bytes

patch

obsolete

>--- linux-2.6.13-SL100_BRANCH/net/xfrm/xfrm_policy.c.old	2006-06-06 18:09:27.000000000 +0200
>+++ linux-2.6.13-SL100_BRANCH/net/xfrm/xfrm_policy.c	2006-06-06 18:11:16.000000000 +0200
>@@ -742,7 +742,18 @@
> 	int err;
> 	u32 genid;
> 	u16 family = dst_orig->ops->family;
>+	unsigned long timeout = jiffies + 60 * HZ;
>+	int loops = 0;
>+
> restart:
>+	if (unlikely(time_after(jiffies, timeout))) {
>+		printk(KERN_NOTICE "xfrm_lookup bailing out after 60 seconds and %d loops\n", loops);
>+		dump_stack();
>+		err = -EHOSTUNREACH;
>+		goto error_nopol;
>+	}
>+	++loops;
>+
> 	genid = atomic_read(&flow_cache_genid);
> 	policy = NULL;
> 	if (sk && sk->sk_policy[1])
>@@ -847,7 +858,9 @@
> 			xfrm_pol_put(policy);
> 			if (dst)
> 				dst_free(dst);
>-			goto restart;
>+
>+			err = -EHOSTUNREACH;
>+			goto error;
> 		}
> 		dst->next = policy->bundles;
> 		policy->bundles = dst;
>@@ -860,8 +873,9 @@
> 	return 0;
> 
> error:
>-	dst_release(dst_orig);
> 	xfrm_pol_put(policy);
>+error_nopol:
>+	dst_release(dst_orig);
> 	*dst_p = NULL;
> 	return err;
> }

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Attachments on bug 117749: 54633 | 54650 | 54652 | 59102 | 59285 | 65244 | 65245 | 65248 | 65282 | 65369 | 65417 | 65615 | 66176 | 70394 | 70395 | 86502 | 87491