I think it because we failed to backport this patch before: https://lore.kernel.org/stable/[email protected]/T/#m0c880c1f04f7211aea9b7f6b4de0b64aa1726417
On Sat, May 2, 2026 at 5:22 PM Salvatore Bonaccorso <[email protected]> wrote: > > Control: forwarded -1 > https://lore.kernel.org/regressions/[email protected] > > Hi > > [sending correctly including the needed mailinglists] > > This is a 6.1.y specific regression, so I'm not CC'ing netdev, but > maintainers, hope this is fine. After a backport of 81b84de32bb2 > ("xfrm: fix ip_rt_bug race in icmp_route_lookup reverse path") was > applied in the 6.1.y stable series as > 9a95ec9144eeff1fc6fbcc21b677e322c6f1430b, user are reporting that on > pings to unreachable host the log is spammed with the "detected local > route for %pI4 during ICMP sending, src %pI4\n" messages. > > One report is at: https://bugs.debian.org/1135514 > > This does not happens with other stable series versions (6.12.y > tested explicitly, 6.6.y I have not avaiable to test). > > Is there a missing requisite in 6.1.y? > > #regzbot introduced: 9a95ec9144eeff1fc6fbcc21b677e322c6f1430b > #regzbot link: https://bugs.debian.org/1135514 > > Regards, > Salvatore
