Bug#1135514: [6.1.y regresssion] 9a95ec9144ee ("xfrm: fix ip_rt_bug race in icmp_route_lookup reverse path") causes log spam on ping to unreachable host

From	Salvatore Bonaccorso <carnil@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1135514: [6.1.y regresssion] 9a95ec9144ee ("xfrm: fix ip_rt_bug race in icmp_route_lookup reverse path") causes log spam on ping to unreachable host
Date	2026-05-06 11:50 +0200
Message-ID	<MRH3b-2ZpE-1@gated-at.bofh.it> (permalink)
References	<MQePD-1ZVs-11@gated-at.bofh.it> <MQ7l7-1UyJ-1@gated-at.bofh.it> <MRH3b-2ZpE-3@gated-at.bofh.it> <MQ7l7-1UyJ-1@gated-at.bofh.it> <MRH3b-2ZpE-3@gated-at.bofh.it>
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Cross-posted to 2 groups.

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Hi Jiayuan,

On Wed, May 06, 2026 at 09:04:24AM +0800, Jiayuan Chen wrote:
> I think it because we failed to backport  this patch before:
> https://lore.kernel.org/stable/20250207161555-b1a8749027831a1a@stable.kernel.org/T/#m0c880c1f04f7211aea9b7f6b4de0b64aa1726417

Which won't apply cleanly, I assume this was the reason it got not
backported to 6.1.y. Do you have a backport of that, or should the
original commit introducing the issue be reverted from 6.1.y?

Regards,
Salvtore

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Bug#1135514: icmp: detected local route for xx during ICMP sending (6.1.170-1 / 6.1.0-45-amd64, silent on 6.1.164-1 / 6.1.0-44-amd64) podorski <podorski@gmail.com> - 2026-05-02 03:30 +0200
  Bug#1135514: icmp: detected local route for xx during ICMP sending (6.1.170-1 / 6.1.0-45-amd64, silent on 6.1.164-1 / 6.1.0-44-amd64) Salvatore Bonaccorso <carnil@debian.org> - 2026-05-02 08:20 +0200
    Bug#1135514: icmp: detected local route for xx during ICMP sending (6.1.170-1 / 6.1.0-45-amd64, silent on 6.1.164-1 / 6.1.0-44-amd64) Salvatore Bonaccorso <carnil@debian.org> - 2026-05-02 11:00 +0200
  Processed: [6.1.y regresssion] 9a95ec9144ee ("xfrm: fix ip_rt_bug  race in icmp_route_lookup reverse path") causes log spam on ping to  unreachable host "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-02 11:30 +0200
  Bug#1135514: [6.1.y regresssion] 9a95ec9144ee ("xfrm: fix ip_rt_bug race in icmp_route_lookup reverse path") causes log spam on ping to unreachable host Salvatore Bonaccorso <carnil@debian.org> - 2026-05-06 11:50 +0200
  Bug#1135514: [6.1.y regresssion] 9a95ec9144ee ("xfrm: fix ip_rt_bug race in icmp_route_lookup reverse path") causes log spam on ping to unreachable host Salvatore Bonaccorso <carnil@debian.org> - 2026-05-06 14:10 +0200
  Bug#1135514: marked as done (icmp: detected local route for xx  during ICMP sending (6.1.170-1 / 6.1.0-45-amd64, silent on 6.1.164-1 /  6.1.0-44-amd64)) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-10 20:40 +0200

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