| 2018-05-22 14:16:57 |
Hajo Locke |
bug |
|
|
added bug |
| 2018-05-22 14:17:26 |
Hajo Locke |
affects |
dpkg (Ubuntu) |
linux (Ubuntu) |
|
| 2018-05-22 14:30:06 |
Ubuntu Kernel Bot |
linux (Ubuntu): status |
New |
Incomplete |
|
| 2018-05-22 14:30:07 |
Ubuntu Kernel Bot |
tags |
|
xenial |
|
| 2018-05-22 14:53:49 |
LorenRosen |
attachment added |
|
python track trace https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772671/+attachment/5142898/+files/iotop_stack_trace.txt |
|
| 2018-05-22 15:39:20 |
Joseph Salisbury |
linux (Ubuntu): importance |
Undecided |
Medium |
|
| 2018-05-22 15:39:29 |
Joseph Salisbury |
nominated for series |
|
Ubuntu Xenial |
|
| 2018-05-22 15:39:29 |
Joseph Salisbury |
bug task added |
|
linux (Ubuntu Xenial) |
|
| 2018-05-22 15:39:36 |
Joseph Salisbury |
linux (Ubuntu Xenial): status |
New |
Incomplete |
|
| 2018-05-22 15:39:39 |
Joseph Salisbury |
linux (Ubuntu Xenial): importance |
Undecided |
Medium |
|
| 2018-05-23 10:13:01 |
Hajo Locke |
bug task added |
|
iotop (Ubuntu) |
|
| 2018-05-23 10:18:52 |
Launchpad Janitor |
iotop (Ubuntu): status |
New |
Confirmed |
|
| 2018-05-23 10:18:52 |
Launchpad Janitor |
iotop (Ubuntu Xenial): status |
New |
Confirmed |
|
| 2018-05-24 11:09:11 |
Aurimas Fišeras |
attachment added |
|
crashes iotop in Xenial https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772671/+attachment/5143766/+files/status.txt.gz |
|
| 2018-05-24 13:36:48 |
Tyler Hicks |
iotop (Ubuntu Xenial): status |
Confirmed |
Invalid |
|
| 2018-05-24 13:36:50 |
Tyler Hicks |
iotop (Ubuntu): status |
Confirmed |
Invalid |
|
| 2018-05-24 13:36:57 |
Tyler Hicks |
linux (Ubuntu Xenial): status |
Incomplete |
In Progress |
|
| 2018-05-24 13:36:59 |
Tyler Hicks |
linux (Ubuntu Xenial): assignee |
|
Tyler Hicks (tyhicks) |
|
| 2018-05-24 13:37:07 |
Tyler Hicks |
linux (Ubuntu): status |
Incomplete |
Invalid |
|
| 2018-05-24 13:40:11 |
Tyler Hicks |
description |
Hello,
after running updates today to linux-image-4.4.0-127-generic_4.4.0-127.153 and rebooting i noticed that iotop is not working any more. Reason are empty lines in /proc/PID/status, which confuse iotop (and me)
In new view there is an empy line between Seccomp and Speculation_Store_Bypass:
####
Seccomp: 0
Speculation_Store_Bypass: vulnerable
####
Speculation_Store_Bypass seems to be new in /proc/PID/status, may be a relation to spectre/meltdown patches.
iotop is first application which is failing here, but iam afraid of more.
Thanks |
[Impact]
The CVE-2018-3639 for Xenial introduced a double newline sequence in the /proc/PID/status files. This breaks some userspace tools, such as iotop, that parse those files.
[Test Case]
Incorrect output in 4.4.0-127.153-generic:
$ cat /proc/self/status
...
Seccomp: 0
Speculation_Store_Bypass: thread vulnerable
...
Expected output:
$ cat /proc/self/status
...
Seccomp: 0
Speculation_Store_Bypass: thread vulnerable
...
[Regression Potential]
None
[Original Report]
Hello,
after running updates today to linux-image-4.4.0-127-generic_4.4.0-127.153 and rebooting i noticed that iotop is not working any more. Reason are empty lines in /proc/PID/status, which confuse iotop (and me)
In new view there is an empy line between Seccomp and Speculation_Store_Bypass:
####
Seccomp: 0
Speculation_Store_Bypass: vulnerable
####
Speculation_Store_Bypass seems to be new in /proc/PID/status, may be a relation to spectre/meltdown patches.
iotop is first application which is failing here, but iam afraid of more.
Thanks |
|
| 2018-06-04 10:34:04 |
Christian Schrötter |
bug |
|
|
added subscriber Christian Schrötter |
| 2018-06-07 05:13:05 |
Juerg Haefliger |
linux (Ubuntu Xenial): status |
In Progress |
Fix Committed |
|
| 2018-06-12 15:16:24 |
keepitsimpleengr |
bug |
|
|
added subscriber keepitsimpleengr |
| 2018-06-13 11:03:45 |
Brad Figg |
tags |
xenial |
verification-needed-xenial xenial |
|
| 2018-06-13 14:23:20 |
Tyler Hicks |
tags |
verification-needed-xenial xenial |
verification-done-xenial xenial |
|
| 2018-06-19 15:36:14 |
Sascha Lucas |
bug |
|
|
added subscriber Sascha Lucas |
| 2018-07-02 08:29:08 |
Launchpad Janitor |
linux (Ubuntu Xenial): status |
Fix Committed |
Fix Released |
|
| 2018-07-02 08:29:08 |
Launchpad Janitor |
cve linked |
|
2018-3639 |
|
| 2018-07-02 08:29:08 |
Launchpad Janitor |
cve linked |
|
2018-3665 |
|
| 2018-07-02 08:29:08 |
Launchpad Janitor |
cve linked |
|
2018-7755 |
|
| 2019-07-24 21:09:35 |
Brad Figg |
tags |
verification-done-xenial xenial |
cscc verification-done-xenial xenial |
|
