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Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt?

From Moritz Mühlenhoff <jmm@inutil.org>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt?
Date 2025-05-05 19:50 +0200
Message-ID <KJ86Z-XxU-3@gated-at.bofh.it> (permalink)
References (1 earlier) <KHi0N-hnio-1@gated-at.bofh.it> <KJ2Eh-U4I-1@gated-at.bofh.it> <KJ6yd-WJ1-3@gated-at.bofh.it> <KHh4J-hmHh-5@gated-at.bofh.it> <KJ6yd-WJ1-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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On Mon, May 05, 2025 at 04:00:31PM +0200, Salvatore Bonaccorso wrote:
> Thanks for this aditional datapoints. Assuming you wont be able to
> thest the other stable series where the commit d05af90d6218
> ("md/raid10: fix missing discard IO accounting") went in, might you at
> least be able to test the 6.1.y branch with the commit reverted again
> and manually trigger the issue?
> 
> If needed I can provide a test Debian package of 6.1.135 (or 6.1.137)
> with the patch reverted. 

I should be able to test that, yes!

Cheers,
        Moritz

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Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt? Salvatore Bonaccorso <carnil@debian.org> - 2025-04-30 18:00 +0200
  Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt? Moritz Mühlenhoff <jmm@inutil.org> - 2025-05-05 14:00 +0200
    Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt? Salvatore Bonaccorso <carnil@debian.org> - 2025-05-05 18:10 +0200
      Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt? Antoine Beaupré <anarcat@debian.org> - 2025-05-05 21:00 +0200
        Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt? Salvatore Bonaccorso <carnil@debian.org> - 2025-05-05 22:40 +0200
          Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt? Antoine Beaupré <anarcat@debian.org> - 2025-05-05 23:10 +0200
            Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking Yu Kuai <yukuai1@huaweicloud.com> - 2025-05-06 03:40 +0200
              Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking Salvatore Bonaccorso <carnil@debian.org> - 2025-05-06 08:10 +0200
                Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking Antoine Beaupré <anarcat@debian.org> - 2025-05-06 15:20 +0200
    Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt? Moritz Mühlenhoff <jmm@inutil.org> - 2025-05-05 19:50 +0200
  Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking Yu Kuai <yukuai1@huaweicloud.com> - 2025-05-06 03:30 +0200
  Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking Yu Kuai <yukuai1@huaweicloud.com> - 2025-05-06 03:40 +0200
  Bug#1104460: [regression 6.1.y] discard/TRIM through RAID10 blocking (was: Re: Bug#1104460: linux-image-6.1.0-34-powerpc64le: Discard broken) with RAID10: BUG: kernel tried to execute user page (0) - exploit attempt? Melvin Vermeeren <vermeeren@vermwa.re> - 2025-05-06 17:30 +0200

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