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Fedora 38: FEDORA-2024-a047b1ca2d Critical: Stalld Service Startup Fix

fedora
Calendar Grey May 4, 2024
Dist Fedora Esm H88
Boost system efficiency through Fedora 38 kestrel, targeting vulnerability patches that resolve service interruptions and file access problems adeptly.
address issues found in Static Application Security testing Fix a service startup issue Fix file open issue when kernel lockdown is in effect

Summary

The stalld program monitors the set of system threads,

looking for threads that are ready-to-run but have not

been given processor time for some threshold period.

When a starving thread is found, it is given a temporary

boost using the SCHED_DEADLINE policy. The default is to

allow 10 microseconds of runtime for 1 second of clock time.

Update Information:

address issues found in Static Application Security testing Fix a service startup issue Fix file open issue when kernel lockdown is in effect

Topics%20covered

Topics Covered

security advisory Fedora application security stalld service startup issue file open issue

Change Log

* Wed Apr 24 2024 Clark Williams - 1.19.2 - Make fill_process_comm() open comm file as READ_ONLY - throttlectl.sh: use legal value for exit on fail - stalld: free malloc'd buffer on function exit - throttling.c: null terminate input buffer - stalld.conf: Fix stalld service start fail - Conditionalize BPF and queue_track build per architecture - clean up Makefile install logic and add .bz2 to .gitignore - modify Makefiles so install works with relative paths - rename 'redhat' to 'systemd' and remove redhat packaging logic - update SPDX tags to non-deprecated values - stalld: Add -a/--affinity option - Adding SPDX license info to each file - man/stalld.8: change starving threshold to match code - utils: Fix freeing of invalid pointer - add bpftool as BuildRequires

References

Fedora Update Notification FEDORA-2024-a047b1ca2d 2024-05-04 02:18:44.166352 Name : stalld Product : Fedora 38 Version : 1.19.2 Release : 1.fc38 URL : Summary : Daemon that finds starving tasks and gives them a temporary boost Description : The stalld program monitors the set of system threads, looking for threads that are ready-to-run but have not been given processor time for some threshold period. When a starving thread is found, it is given a temporary boost using the SCHED_DEADLINE policy. The default is to allow 10 microseconds of runtime for 1 second of clock time.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-a047b1ca2d' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
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Name: stalld
Product: Fedora 38
Version: 1.19.2
Release: 1.fc38
URL:
Summary: Daemon that finds starving tasks and gives them a temporary boost

Topics%20covered

Topics Covered

security advisory Fedora application security stalld service startup issue file open issue

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