** Tags added: cscc
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https://bugs.launchpad.net/bugs/1729637
Title:
Samba mount/umount in docker container triggers kernel Oops
Status in linux package in Ubuntu:
Fix
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1729637
Title:
Samba mount/umount in docker container triggers
This bug was fixed in the package linux - 4.10.0-42.46
---
linux (4.10.0-42.46) zesty; urgency=low
* linux: 4.10.0-42.46 -proposed tracker (LP: #1736152)
* CVE-2017-1000405
- mm, thp: Do not make page table dirty unconditionally in touch_p[mu]d()
* CVE-2017-16939
-
This bug was fixed in the package linux - 4.4.0-103.126
---
linux (4.4.0-103.126) xenial; urgency=low
* linux: 4.4.0-103.126 -proposed tracker (LP: #1736181)
* CVE-2017-1000405
- mm, thp: Do not make page table dirty unconditionally in touch_p[mu]d()
* CVE-2017-16939
I could not reproduce the bug with 4.4.0-102-generic or
4.10.0-41-generic
** Tags removed: verification-needed-xenial verification-needed-zesty
** Tags added: verification-done-xenial verification-done-zesty
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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-
zesty' to 'verification-done-zesty'. If the problem still exists, change
the tag
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-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Zesty)
Status: In Progress => Fix Committed
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SRU request submitted:
https://lists.ubuntu.com/archives/kernel-team/2017-November/088106.html
** Description changed:
- When running 2 docker containers, one as samba server and another one as
- samba client that mounts and umounts a smb share a kernel OOps can be
- triggered on multiple
Thanks for the update, Fabian. I can SRU those two commits to Zesty and
Xenial.
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https://bugs.launchpad.net/bugs/1729637
Title:
Samba mount/umount in docker container
No, the hung task warning is bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1711407
Without the patches the kernel probably crashed during my tests before
the hung task could happen.
On artful the hung task warning does not happen.
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The test kernel fixes the original bug, but introduces this new call
trace?
Do you happen to know if this new call trace also happens with artful?
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Thanks for the fast reply.
I tried both kernels and was not able to trigger an Oops.
On the 4.4.0-98.121~lp1729637-generic kernel a hung task warning
happened:
[ +0.750497] unregister_netdevice: waiting for lo to become free. Usage count
= 1
[ +0.992665] aufs
I built Xenial and Zesty test kernels with the following two commits:
12d94a804946 ("ipv6: fix NULL dereference in ip6_route_dev_notify()")
76da0704507b ("ipv6: only call ip6_route_dev_notify() once for
NETDEV_UNREGISTER")
These commits are already in the Artful kernel.
The test kernels can be
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Also affects: linux (Ubuntu Zesty)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New =>
The collected apport informations are from a fresh start of the machine
because the bugs causes the machine to crash.
Attached are the logs of a kernel crash that happened by the described
method.
** Attachment added: "Logs from kernel Oops on
linux-image-4.10.0-37-generic=4.10.0-37.41~16.04.1"
apport information
** Tags added: apport-collected uec-images xenial
** Description changed:
When running 2 docker containers, one as samba server and another one as
samba client that mounts and umounts a smb share a kernel OOps can be
triggered on multiple kernels.
The kernel
** Attachment added: "Kernel log from Oops with
linux-image-4.4.0-93-generic=4.4.0-93.116~14.04.1"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1729637/+attachment/5002525/+files/kernoops-4.4.0-93.txt
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** Attachment added: "Kernel log from Oops with
linux-image-4.11.0-14-generic=4.11.0-14.20~16.04.1"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1729637/+attachment/5002527/+files/kernoops-4.11.0-14.txt
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** Attachment added: "Kernel log from Oops with
linux-image-4.10.0-32-generic=4.10.0-32.36~16.04.1"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1729637/+attachment/5002526/+files/kernoops-4.10.0-32.txt
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