Re: [PATCH 0/5] Fix delalloc inodes leaking on btrfs unmount

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On Tue, May 08, 2018 at 08:16:37AM +0300, Nikolay Borisov wrote:
> >> properly cleanup delalloc inodes and as a result cleans up the code a bit. 
> >>
> >> I've given it a good bashing through xfstest (4 full xfstest cycles + 100 
> >> iterations of generic/475 since it was hitting some early assertion failures,
> >> which are fixed in the final version) so am pretty confident in the change. 
> > 
> > One qemu testmachine complains.
> > 
> > The branch was ext/nikbor/delalloc-invalidate in my github repo. Other
> > tests seem "fine", unlikely to be related to this patchset.
> > 
> > The error here is a null pointer deref in end bio callback, which
> > matches a use-after-free scenario, so I think there's still something
> > left to fix.
> > 
> > generic/335             [22:34:50]
> 
> How easy is to repro this on this particular test? Like every other run
> or is it spurious?

It happened once, on first run of the testing setup, so I don't have
enough data to answer. I'll start another round and we'll see.
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