Re: ubifs: regression since "ubifs: xattr: Don't operate on deleted inodes"

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On Sun, Sep 16, 2018 at 09:52:48PM +0200, Koen Vandeputte wrote:
> 
> 
> On 15-09-18 09:15, Richard Weinberger wrote:
> > Koen,
> > 
> > On Thu, Sep 13, 2018 at 12:09 PM gregkh@xxxxxxxxxxxxxxxxxxx
> > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> > > adding stable@ for stable kernel issues...
> > > 
> > > On Thu, Sep 13, 2018 at 09:58:35AM +0200, Koen Vandeputte wrote:
> > > > Hi all,
> > > > 
> > > > I'm currently in the process of updating the kernel version within OpenWrt.
> > > > (4.14.68 to 4.14.69)
> > > > 
> > > > Testing shows some issues on devices using specifically UBIFS.
> > > > Altering a perfect valid writable file shows weird errors:
> > > > 
> > > > 
> > > > [ Node 2 | node-2 ] ls -l /root/custom/scripts/banner.sh
> > > > -rwxr-xr-x    1 root     root           283 Sep 11 09:52
> > > > /root/custom/scripts/banner.sh
> > > > 
> > > > [ Node 2 | node-2 ] cat /root/custom/scripts/banner.sh
> > > > #!/bin/sh
> > > > 
> > > > if [ ! -f /root/.banner_ok ]
> > > > then
> > > >      RELEASE=$(cat /root/build_date)
> > > >      VERSION=$(cat /root/version)
> > > > 
> > > >      echo "Generating banner: $VERSION $RELEASE"
> > > >      sed s/VERSION/$VERSION/g /root/custom/banner > /etc/banner
> > > >      sed -i s/RELEASE/$RELEASE/g /etc/banner
> > > > 
> > > >      touch /root/.banner_ok
> > > > fi
> > > > 
> > > > [ Node 2 | node-2 ] echo "test" > /root/custom/scripts/banner.sh
> > > > -ash: can't create /root/custom/scripts/banner.sh: nonexistent directory
> > > > 
> > > > 
> > > > 
> > > > I'm also noticing other apps fail because /etc doesn't exists yet after
> > > > UBIFS boot loading.
> > > > these 2 issues were not seen on 4.14.68.
> > > > 
> > > > The bootlog doesn't show any error:
> > > > https://pastebin.com/raw/dJx47uBp
> > > > 
> > > > 
> > > > I'm only seeing these issues on UBIFS enabled volumes.
> > > > Reverting ("ubifs: xattr: Don't operate on deleted inodes") fixes these
> > > > weird issues.
> > Please see my answer to the other thread.
> > Always keep the patch author on CC and don't start multiple threads for the
> > same issue on two mailing lists.
> > Yes, I didn't answer for three days, I had no internet connection...
> > 
> Richard,
> 
> I indeed posted here too as we passed the 3 days marker, and I noticed
> 4.14.70 RC2 got staged.
> Also, a lot of developers tend to ignore questions unless the initial
> question got posted to the official mailinglist.
> 
> Let's continue on the OpenWrt list as you propose, were the initial question
> was raised.
> 
> Apologies for the (double) noise.

I will assume that if the resolution is that something needs to be done
to the stable releases and a patch added/reverted, someone will
eventually tell me?

thanks,

greg k-h

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