This is a note to let you know that I've just added the patch titled
fib_rules: Fix dump_rules() not to exit early
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fib_rules-fix-dump_rules-not-to-exit-early.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From [email protected] Sat Oct 17 17:11:23 2015
From: Roland Dreier <[email protected]>
Date: Mon, 5 Oct 2015 10:29:28 -0700
Subject: fib_rules: Fix dump_rules() not to exit early
To: [email protected], [email protected]
Cc: Roland Dreier <[email protected]>
Message-ID: <[email protected]>
From: Roland Dreier <[email protected]>
Backports of 41fc014332d9 ("fib_rules: fix fib rule dumps across
multiple skbs") introduced a regression in "ip rule show" - it ends up
dumping the first rule over and over and never exiting, because 3.19
and earlier are missing commit 053c095a82cf ("netlink: make
nlmsg_end() and genlmsg_end() void"), so fib_nl_fill_rule() ends up
returning skb->len (i.e. > 0) in the success case.
Fix this by checking the return code for < 0 instead of != 0.
Signed-off-by: Roland Dreier <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/core/fib_rules.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -606,7 +606,7 @@ static int dump_rules(struct sk_buff *sk
err = fib_nl_fill_rule(skb, rule, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, RTM_NEWRULE,
NLM_F_MULTI, ops);
- if (err)
+ if (err < 0)
break;
skip:
idx++;
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/fib_rules-fix-dump_rules-not-to-exit-early.patch
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