ish-app / ish-app/ish

syslog-ng and rsyslog cause programs that attempt to log to wedge indefinitely

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#1,048 2 comments 0 reactions 0 assignees View on GitHub

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Dominant language
C
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Description

dmesg shows stub system call 375 when this happens.

Both syslog-ng and rsyslog start fine from Open RC with the modifications to inttab identified in the wiki article I wrote, but programs such as ssh fail to complete when they attempt to log.

To reproduce:

o "fix" OpenRC via an inittab modification
o apk add syslog-ng syslog-ng-openrc openssh
o Generate host keys 'ssh-keygen -A'
o /usr/sbin/sshd
adduser ish
passwd ish
ssh -vvv ish@localhost -p 1022

Screen Shot 2020-11-13 at 12 50 38 PM

Screen Shot 2020-11-13 at 12 51 53 PM

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the failure with the listed OpenRC, syslog-ng, sshd, and ssh commands, then inspect the dmesg report for stub system call 375. Trace the syscall handling involved in logging and confirm that ssh and other logging programs complete without wedging.

Written by the indexing model from the issue text.

Assessment

Tech stack
c, linux
Domain
operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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