Fengqi Li <[email protected]> writes:
> when segmentation fault occured in ovn-northd,monitor will try to
> restart the ovn-northd daemon process every 10s.
> Assume the following scenarios: There is a segmentation fault and
> the ovn-northd daemon process does not restart properly everytime.
> New fds are created each time the ovn-northd daemon process is
> restarted by the monitor process,but old fds(fd[1]) ownered by
> the monitor process not closed properly.One pipe remains for
> each restart of the ovn-northd daemon process,After a long time
> the OS`s pipe are exhausted.
>
> Signed-off-by: Fengqi Li <[email protected]>
> ---
The bug here is really that we leak file descriptors in the case that
the monitor process needs to restart. Commit message probably doesn't
need to include specific daemon names except as an illustration.
Title should be something like:
daemon-unix: Fix file descriptpr leak when monitor restarts child
We probably could include a fixes: line here (but it is an incredibly
old bug, so maybe it can be omitted):
Fixes: ff8decf1a318 ("daemon: Add support for process monitoring and restart.")
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