This bug was fixed in the package unscd - 0.51-1ubuntu1
---
unscd (0.51-1ubuntu1) trusty-proposed; urgency=medium
* Backport of full 0.52 release which just contains one NULL
pointer check. (LP: #1376274)
-- Bryan Quigley Thu, 27 Oct 2016
I've tested unscd with the patch and saw no issues, but unfortunately
there is no simple repro script that generates the failure. Customers
just see this issue appear after some time of running the service.
The customer in comment #3 also confirmed that unscd_0.52-1 fixes the
issue for them, and
I've asked for testing privately with no luck. I think this will have
to be removed.
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Title:
unscd segfaults regularly
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Sorry, I have already switched to sssd, cannot test the fix.
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Title:
unscd segfaults regularly
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Hello Tamas, or anyone else affected,
Accepted unscd into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/unscd/0.51-1ubuntu1 in
a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
the debdiff has been uploaded, unsubscribing the sponsors
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Title:
unscd segfaults regularly
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Thanks Daniel!
I unfortunately don't have a test case. Anyone else who has this bug,
please provide one so we can get this fixed.
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Title:
I uploaded the change. Can you please add a test-case for the ubuntu-sru
team to the description to the bug?
** Changed in: unscd (Ubuntu Trusty)
Status: Triaged => Fix Committed
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** Also affects: unscd (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: unscd (Ubuntu)
Status: Confirmed => Fix Released
** Changed in: unscd (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: unscd (Ubuntu Trusty)
Status: New => Triaged
** Changed in: unscd (Ubuntu)
Importance: Undecided => Medium
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Title:
unscd segfaults regularly
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The attachment "unscd_0.51-1ubuntu1.debdiff" seems to be a debdiff. The
ubuntu-sponsors team has been subscribed to the bug report so that they
can review and hopefully sponsor the debdiff. If the attachment isn't a
patch, please remove the "patch" flag from the attachment, remove the
"patch"
I've created a debdiff to backport the fix to 14.04. We could use more
details on both the impact and a step-by-step way (from a fresh cloud
image) to reproduce the bug.
** Description changed:
- kern.log:Oct 1 11:34:51 camel kernel: [1715974.313870] nscd[11501]:
- segfault at 0 ip
Here is a debdiff that backports the single NULL check (which is all of
0.52) to Trusty.
** Patch added: "unscd_0.51-1ubuntu1.debdiff"
https://bugs.launchpad.net/ubuntu/+source/unscd/+bug/1376274/+attachment/4768340/+files/unscd_0.51-1ubuntu1.debdiff
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** Changed in: unscd (Ubuntu)
Assignee: (unassigned) => Bryan Quigley (bryanquigley)
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Title:
unscd segfaults regularly
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Tamas,
Please correct me if I'm wrong, but it does not look to me like sssd supports
dns/hosts caching.
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Title:
unscd segfaults regularly
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You better switch to sssd.
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Title:
unscd segfaults regularly
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Hi,
I can confirm this behavior on all our servers running ubuntu 14.04.
If we are going to continue to use uncsd, we really need this fix backported to
14.04.
I'm new here, but who decides if this is going to be fixed in 14.04 or not ?
And when is that decision being made ?
Best regards,
I have the same problem.
After starting unscd it segfaults after a short time.
If many requests occur virtually immediatly.
The attached output of valgrind supports this claim:
valgrind -v --leak-check=full --show-leak-kinds=all --trace-children=yes nscd
-d 2>&1 | tee /tmp/valgrind.log
...
** Summary changed:
- unscd segfault
+ unscd segfaults regularly
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unscd segfaults regularly
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