2.6.18-stable review patch. If anyone has any objections, please let us know.
------------------
From: Al Viro <[email protected]>
No need to revisit a chain we'd already finished with during
the check for current hook. It's either instant loop (which
we'd just detected) or a duplicate work.
Signed-off-by: Al Viro <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---
net/bridge/netfilter/ebtables.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- linux-2.6.18.5.orig/net/bridge/netfilter/ebtables.c
+++ linux-2.6.18.5/net/bridge/netfilter/ebtables.c
@@ -739,7 +739,9 @@ static int check_chainloops(struct ebt_e
BUGPRINT("loop\n");
return -1;
}
- /* this can't be 0, so the above test is correct */
+ if (cl_s[i].hookmask & (1 << hooknr))
+ goto letscontinue;
+ /* this can't be 0, so the loop test is correct */
cl_s[i].cs.n = pos + 1;
pos = 0;
cl_s[i].cs.e = ((void *)e + e->next_offset);
--
-
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