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Bug 1540538 - sd_journal can "leak" fds if it starts dropping inotify events
Summary: sd_journal can "leak" fds if it starts dropping inotify events
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: systemd
Version: 7.5
Hardware: Unspecified
OS: Unspecified
urgent
urgent
Target Milestone: rc
: ---
Assignee: systemd-maint
QA Contact: Frantisek Sumsal
URL:
Whiteboard:
: 1545146 (view as bug list)
Depends On:
Blocks: 1547373
TreeView+ depends on / blocked
 
Reported: 2018-01-31 10:53 UTC by Lukáš Nykrýn
Modified: 2021-06-10 14:24 UTC (History)
8 users (show)

Fixed In Version: systemd-219-57.el7
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 1547373 (view as bug list)
Environment:
Last Closed: 2018-04-10 11:25:34 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2018:0711 0 None None None 2018-04-10 11:26:25 UTC

Description Lukáš Nykrýn 2018-01-31 10:53:41 UTC
sd_journal keeps open fds for every journal files. Those are closed only in the case when journal file is deleted (presumably due to rotation), and we get an inotify event. Unfortunately, this process is not reliable.

We need to check if we haven't dropped any inotify messages and in such case re-iterate through the journal files on the disk again.

This issue is present in upstream as well.

Comment 3 Lukáš Nykrýn 2018-02-14 14:06:33 UTC
*** Bug 1545146 has been marked as a duplicate of this bug. ***

Comment 6 Lukáš Nykrýn 2018-02-19 08:50:04 UTC
Just to update the bug. Right now we are still working on the patch that should fix all corner cases.

https://github.com/systemd/systemd/pull/8204

Comment 7 Lukáš Nykrýn 2018-02-20 15:40:14 UTC
fix merged to staging branch -> https://github.com/lnykryn/systemd-rhel/pull/196 -> post

Comment 13 errata-xmlrpc 2018-04-10 11:25:34 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:0711


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