** Tags added: cscc
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https://bugs.launchpad.net/bugs/1789638
Title:
azure 4.15 kernel: reading sysfs file causing oops
Status in linux package in Ubuntu:
Incomplet
This bug was fixed in the package linux-azure - 4.15.0-1025.26~16.04.1
---
linux-azure (4.15.0-1025.26~16.04.1) xenial; urgency=medium
[ Ubuntu: 4.15.0-36.39 ]
* CVE-2018-14633
- iscsi target: Use hex2bin instead of a re-implementation
* CVE-2018-17182
- mm: get rid of
This bug was fixed in the package linux-azure - 4.15.0-1025.26
---
linux-azure (4.15.0-1025.26) bionic; urgency=medium
[ Ubuntu: 4.15.0-36.39 ]
* CVE-2018-14633
- iscsi target: Use hex2bin instead of a re-implementation
* CVE-2018-17182
- mm: get rid of vmacache_flush_a
This bug was fixed in the package linux-azure - 4.15.0-1025.26~16.04.1
---
linux-azure (4.15.0-1025.26~16.04.1) xenial; urgency=medium
[ Ubuntu: 4.15.0-36.39 ]
* CVE-2018-14633
- iscsi target: Use hex2bin instead of a re-implementation
* CVE-2018-17182
- mm: get rid of
This bug was fixed in the package linux-azure - 4.15.0-1025.26
---
linux-azure (4.15.0-1025.26) bionic; urgency=medium
[ Ubuntu: 4.15.0-36.39 ]
* CVE-2018-14633
- iscsi target: Use hex2bin instead of a re-implementation
* CVE-2018-17182
- mm: get rid of vmacache_flush_a
** Also affects: linux-azure (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-azure (Ubuntu Bionic)
Status: New => Fix Committed
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https:
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Marcelo Cerri (mhcerri)
** Changed in: linux (Ubuntu Bionic)
Importance
https://lists.ubuntu.com/archives/kernel-team/2018-August/095100.html
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https://bugs.launchpad.net/bugs/1789638
Title:
azure 4.15 kernel: reading sysfs file causing oops
St
The above patch fixes the issue for me. Thanks
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https://bugs.launchpad.net/bugs/1789638
Title:
azure 4.15 kernel: reading sysfs file causing oops
Status in linux package i
This has been submitted to 4.19 and stable:
For unsupported device types, the vmbus channel ringbuffer is never
initialized, and therefore reading the sysfs files will return garbage
or cause a kernel OOPS.
Fixes: c2e5df616e1a ("vmbus: add per-channel sysfs info")
** Patch added:
"0001-hv_vmbus
** Tags added: patch
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Title:
azure 4.15 kernel: reading sysfs file causing oops
Status in linux package in Ubuntu:
Incomplete
Bu
Workaround fix attached. I suspect there may be a more elegant solution.
** Patch added: "workaround fix"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1789638/+attachment/5182213/+files/0001-vmbus-check-for-null-ring-buffer-before-attempting-t.patch
** Description changed:
Kernel:
Same issue with rbi->ring_buffer on write_avail_show() too.
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Title:
azure 4.15 kernel: reading sysfs file causing oops
Status in li
Tested with today's linux tip, 4.19.0-rc1 @ commit
3f16503b7d2274ac8cbab11163047ac0b4c66cfe, issue still occurs.
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Title:
azure 4.15
In read_avail_show, rbi->ring_buffer is NULL, causing the OOPS.
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Title:
azure 4.15 kernel: reading sysfs file causing oops
Status i
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