4.19 kernels before 8.9 have filesystem corruption under memory pressure

Bug #1806755 reported by Charles Evans
12
This bug affects 2 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Fix Released
Undecided
Unassigned

Bug Description

Bug 201685 - ext4 file system corruption
https://bugzilla.kernel.org/show_bug.cgi?id=201685
Quote:
Before running the bisect, I tested these kernels
(all Ubuntu mainline from http://kernel.ubuntu.com/~kernel-ppa/mainline/):
 Had FS corruption: 4.19-rc1 4.19 4.19.1 4.19.2 4.19.3 4.19.4 4.19.5 4.19.6
No corruption (yet): 4.18 4.18.20
/quote

Please release the latest security update for linux 4.18 to disco ASAP

Tags: cscc
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1806755

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Charles Evans (crtiger)
Changed in linux (Ubuntu):
status: Incomplete → Confirmed
Revision history for this message
Charles Evans (crtiger) wrote : Re: All 4.19 kernels have filesystem corruption under memory pressure, upstream is doing triage

I am still running cosmic, since no secure and functional
Kernel is out for disco at the moment.

Revision history for this message
Charles Evans (crtiger) wrote :

4.19.0-8.9 reports in the changelog that this is fixed.
When this version is released, this bug can be closed.

summary: - All 4.19 kernels have filesystem corruption under memory pressure,
- upstream is doing triage
+ 4.19 kernels before 8.9 have filesystem corruption under memory pressure
Revision history for this message
Charles Evans (crtiger) wrote :

New fixed kernel is out, 60 days later

Changed in linux (Ubuntu):
status: Confirmed → Fix Released
Brad Figg (brad-figg)
tags: added: cscc
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