G.W. Haywood via clamav-users wrote:
Hi there,
On Wed, 28 Jul 2021, Lee, Raymond wrote:
On Wed, Jul 28, 2021 at 11:16 AM Asenova, Elia wrote:
... when running freshclam I get the following errors ...
Downloaded 22 patches for daily, which is fewer than the 37 expected
patches.
We'll settle for this partial-update, at least for now.
ERROR: cdiff_apply: lseek(desc, -350, SEEK_END) failed
I ran into this same problem and just deleted
/var/lib/clamav/daily.c[lv]d
and ran freshclam again.
If that doesn't help, check that the timeouts in your configuration
file for freshclam aren't very short. A long time ago the default was
30 seconds I think, but that's too short now - the default now is to
have no timeout at all. Until the recent updates to main and daily I
had ReceiveTimeout set to 1800 seconds. Even that was too short here,
so I've now set it to 3600 seconds.
Unfortunately, it seems the ClamAV package from the Ubuntu 18.04
repositories still has a 30 second timeout by default. Having been
bitten by this myself when first installing ClamAV a few months ago, and
discussed on this list, I reported it on Ubuntu's bug tracker
<https://bugs.launchpad.net/ubuntu/+source/clamav/+bug/1927777>. But
they seem reluctant to remove the timeout as an update to a stable
release (preferring that pretty much everyone installing the package
gets a non-functional default configuration?) and don't consider it a
problem since there's an "easy workaround" (well, it's easy once you
figure out that their default configuration has a stupidly short timeout!)
The ClamAV maintainers can't do much about Ubuntu's update policy, of
course, but it does seem to have lead to a lot of issues discussed here,
particularly after the recent update to the main database.
--
Mark.
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