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  1. RHEL
  2. RHEL-25068

Rsyslog with GnuTLS net stream driver configured runs into 100% CPU usage when TLS connection is broken.

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    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • Icon: Undefined Undefined
    • None
    • rhel-8.7.0
    • rsyslog
    • None
    • None
    • None
    • rhel-sst-security-special-projects
    • ssg_security
    • None
    • False
    • None
    • None
    • None
    • None
    • Unspecified
    • Unspecified
    • None

      > Description of problem:
      100% CPU usage seen on rsyslog via GnuTLS when TLS connection is broken.

      > Version-Release number of selected component (if applicable):
      rsyslog-8.2102.0-5.el8.x86_64
      rsyslog-gnutls-8.2102.0-5.el8.x86_64

      > How reproducible:
      Frequently.

      > Steps to Reproduce:
      1. RHEL 8.3 system
      2. Rsyslog with GnuTLS net stream driver is configured
      3.

      > Actual results:
      Rsyslogd suddenly keeps consuming CPU a lot.

      > Expected results:
      Rsyslog should be running stable.

      > Additional info:
      This issue should also affect upstream.

        1. rsyslog.strace
          34.33 MB
          Shreyas Mahangade

              rh-ee-alakatos Attila Lakatos
              rhn-support-qguo Qi Guo
              RH Bugzilla Integration
              Dalibor Pospíšil Dalibor Pospíšil
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                Created:
                Updated:
                Resolved: