https://bugs.exim.org/show_bug.cgi?id=2343
Bug ID: 2343
Summary: exim_tidydb eats infinite memory
Product: Exim
Version: 4.91
Hardware: x86-64
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Unfiled
Assignee: ni...@exim.org
Reporter: g...@grin.hu
CC: exim-dev@exim.org
First, I have to apologise, but I was pretty angry and acted before thinking
and removed the file which could help, so... close if you can't go on without.
exim_tidydb got called on a possibly corrupted wait-remote_smtp file, which
resulted using up all the memory (the file was 300k in size and the OOM killer
visited at 16GB). Something clearly need a bit more checking in the code
because this really wreaks havoc (uses 100% CPU while allocating, and in the
end any process can get killed accidentally if OOMkiller isn't guessing right),
and since it's running in cron people may find a hard time to figure out what's
happening, unless they're awake at 6am.
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