** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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Title:
bionic, xenial/hwe: misses "fuse: fix initial parallel dirops" patch
Thanks for fixing this issue. We confirm that the problem is gone with
updated kernel.
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Title:
bionic, xenial/hwe: misses "fuse: fix initial
This bug was fixed in the package linux - 4.15.0-50.54
---
linux (4.15.0-50.54) bionic; urgency=medium
* CVE-2018-12126 // CVE-2018-12127 // CVE-2018-12130
- Documentation/l1tf: Fix small spelling typo
- x86/cpu: Sanitize FAM6_ATOM naming
- kvm: x86: Report STIBP on
$ apt-cache policy linux-generic-hwe-16.04
linux-generic-hwe-16.04:
Installed: 4.15.0.49.70
Candidate: 4.15.0.49.70
Version table:
*** 4.15.0.49.70 500
500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages
100 /var/lib/dpkg/status
4.15.0.48.69 500
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
@arighi, @kmously, thanks for pulling all fuse patches to bionic/master-
next. Am I right in my understanding that the patches will also
propagate to xenial/hwe eventually?
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** Changed in: linux (Ubuntu Bionic)
Status: New => Fix Committed
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Title:
bionic, xenial/hwe: misses "fuse: fix initial parallel dirops"
@arighi, thanks. Let me know if you need more testing and/or help. Good
luck with the review.
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Title:
bionic, xenial/hwe: misses "fuse: fix
All fixes applied here:
git://git.launchpad.net/~arighi/+git/bionic-linux fuse-fixes
And also sent an SRU pull request. Let's see if they get merged.
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** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
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Title:
bionic, xenial/hwe: misses "fuse: fix initial
@navytux yes, a few of them require minimal changes, but most of them
can be applied cleanly to 4.15.
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Title:
bionic, xenial/hwe: misses "fuse:
Thanks. If I understood correctly, the patches should be more or less
directly applicable to 4.15.y
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Title:
bionic, xenial/hwe: misses "fuse:
I'll take a look at the other patches, I think they can be easily
applied to 4.15 if they don't require too much backporting work.
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Title:
Andrea, thanks.
What about other fs/fuse/ patches marked as @stable? We have more
problems reported on 4.15.x Ubuntu kernel (see e.g.
https://github.com/hanwen/go-fuse/issues/287) and that is unfortunate
when the fix/patch is known, marked as needed to be applied to stable
kernel, but Ubuntu is
Sent an SRU fix to include 63576c13bd in Bionic.
** Description changed:
+ SRU Justification:
+
+ [Impact]
+
+ * Enabling parallel dirops in fuse (FUSE_PARALLEL_DIROPS) may cause a
+ race condition that leave fuse inode's mutex held, triggering a deadlock
+
+ * The problem is that the lock
** Tags added: bionic
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Title:
bionic, xenial/hwe: misses "fuse: fix initial parallel dirops" patch
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apport information
** Tags added: apport-collected
** Description changed:
Hello up there,
We were reported about a deadlock in the kernel while using a FUSE-based
filesystem on Ubuntu.
The kernel in question is Ubuntu-hwe-4.15.0-47.50~16.04.1 from Xenial/HWE. We
tracked this bug to
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