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Groups > linux.debian.bugs.dist > #885470

Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM)

From "Menno Finlay-Smits" <inbox@menno.io>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM)
Date 2018-03-06 02:00 +0100
Message-ID <vq97r-22D-3@gated-at.bofh.it> (permalink)
References (3 earlier) <vakTf-5nt-5@gated-at.bofh.it> <vpZrr-3Ss-1@gated-at.bofh.it> <vq0Qy-4Y3-17@gated-at.bofh.it> <vakTf-5nt-5@gated-at.bofh.it> <vq0Qy-4Y3-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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On Tue, 6 Mar 2018, at 04:57, Yves-Alexis Perez wrote:
> On Mon, 2018-03-05 at 15:28 +0100, Andrew Lunn wrote:
> > Would it be possible to try to reproduce this problem with 4.9.86 on
> > the hardware reporting the issue?
> 
> 4.9.82-1+deb9u3 is currently in the archive. Menno, could you give it a shot?

Will do. I need to get the NAS back to running Scratch as I went back to Jessie for comparison (similar looking problems there too) but I'll get it done as soon as I can.

Also, I can confirm that I was indeed copying from an external USB disk with just "rsync -av <source> <dest>".

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Thread

Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) Andrew Lunn <andrew@lunn.ch> - 2018-03-04 21:50 +0100
  Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) Andrew Lunn <andrew@lunn.ch> - 2018-03-05 15:40 +0100
    Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) Yves-Alexis Perez <corsac@debian.org> - 2018-03-05 17:10 +0100
      Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) "Menno Finlay-Smits" <inbox@menno.io> - 2018-03-06 02:00 +0100
        Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) "Menno Finlay-Smits" <inbox@menno.io> - 2018-03-07 05:10 +0100
          Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) Andrew Lunn <andrew@lunn.ch> - 2018-03-07 14:10 +0100
          Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) Andrew Lunn <andrew@lunn.ch> - 2018-03-07 14:40 +0100
            Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) "Menno Finlay-Smits" <inbox@menno.io> - 2018-03-07 22:00 +0100
              Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) Andrew Lunn <andrew@lunn.ch> - 2018-03-07 23:40 +0100
                Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) "Menno Finlay-Smits" <inbox@menno.io> - 2018-03-09 11:00 +0100
                Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) Yves-Alexis Perez <corsac@debian.org> - 2018-03-09 11:10 +0100
                Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) Andrew Lunn <andrew@lunn.ch> - 2018-03-09 15:40 +0100
                Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) "Menno Finlay-Smits" <inbox@menno.io> - 2018-03-11 12:10 +0100
                Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) Yves-Alexis Perez <corsac@debian.org> - 2018-03-11 12:10 +0100
                Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM) "Menno Finlay-Smits" <inbox@menno.io> - 2018-03-11 22:10 +0100

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