[tor-bugs] #25803 [Core Tor/Tor]: Infinite restart loop when daemon crashes

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#25803: Infinite restart loop when daemon crashes
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 Reporter:  tiejohg2sahth                     |          Owner:  (none)
     Type:  defect                            |         Status:  new
 Priority:  Medium                            |      Milestone:  Tor:
                                              |  unspecified
Component:  Core Tor/Tor                      |        Version:
 Severity:  Normal                            |     Resolution:
 Keywords:  systemd, tor-relay, security-low  |  Actual Points:
Parent ID:                                    |         Points:  0.1
 Reviewer:                                    |        Sponsor:
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Comment (by teor):

 Replying to [comment:7 tiejohg2sahth]:
 > Replying to [comment:5 teor]:
 > > We could also avoid restarting when Tor crashes, or exits badly. We
 would need to work out a list of signals and exit statuses that should
 prevent a restart. For example:
 > > {{{
 > > RestartPreventExitStatus= 1 6 SIGABRT SIGSEGV
 > > }}}
 >
 > Why not use:
 > {{{
 > Restart=on-success
 > }}}
 > which would automatically prevent restart for non zero exit codes (tor
 error, or process killed by signal).
 > See the table at
 https://www.freedesktop.org/software/systemd/man/systemd.service.html#Restart=

 That will only work if network-online.target always ensures that IPv4 and
 IPv6 are up.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25803#comment:8>
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