Hi, [still replying, Ben do not want to take the action away from you but was looking at this today]
On Thu, Feb 20, 2025 at 10:55:45AM +0000, Jiaxun Yang wrote: > > > 在2025年2月20日二月 上午7:02，Salvatore Bonaccorso写道： > > Hi > > > > [Adding to recipients Thomas Bogendoerfer, Jiaxun Yang, this is about > > Debian issue with MIPS, https://bugs.debian.org/1086028, > > https://bugs.debian.org/1087809, https://bugs.debian.org/1093200] > > Thanks for the info! > > > > > [...] > >> > >> Ben aims to look into it. > > > > There is 8fa507083388 ("mm/memory: Use exception ip to search > > exception tables") upstream which fixes 4bce37a68ff8 ("mips/mm: > > Convert to using lock_mm_and_find_vma()") and relates to the thread > > https://lore.kernel.org/r/75e9fd7b08562ad9b456a5bdaacb7cc220311cc9.ca...@xry111.site/ > > . > > I think it's the same problem, the original Fixes tag was pointed > to a commit that exposed the issue. Now another stable commit exposed > it as well. Thanks for the confirmation. > > > > In fact the commit was backported to: > > v6.6.18: 94d34a6861a2807356b653fc12f958196ebbc043 mm/memory: Use > > exception ip to search exception tables > > v6.7.6: c3a7dbff8d0d4d7174d2162e4db7bdcfd3cb8886 mm/memory: Use > > exception ip to search exception tables > > v6.8-rc5: 8fa5070833886268e4fb646daaca99f725b378e9 mm/memory: Use > > exception ip to search exception tables > > > > but cannot as it is for 6.1.y. It at least depends on 11ba1728be3e > > ("ptrace: Introduce exception_ip arch hook"). > > It should be trivial to backport for 6.1.y :-) Are you going to request the backport for the 6.1.y stable series upstream for 8fa507083388 ("mm/memory: Use exception ip to search exception tables") (and the required dependency) for stable? As they have your names on the commits this might be the best route if you are open to make the requests to the stable series maintainers. Regards, Salvatore
