7z uses a lot of memory when unpacking an archive with many files

Bug #34559 reported by linfir
6
Affects Status Importance Assigned to Milestone
p7zip (Ubuntu)
Invalid
Medium
MOTU

Bug Description

When I try to unpack an archive containing a lot (42,784) of small files (the total archive is about 8 Mb), the process uses all the memory available, up to the point when it completely blocks the system and I have to kill everything.
The same happens if I try to unpack just the last file in the archive.

The archive I tried to unpack can be found at http://www.moyogo.com/FreeProGames.htm.

This looks like a memory leak...

Revision history for this message
Daniel Robitaille (robitaille) wrote :

Which version of Ubuntu are you using? Breezy 5.10? Or Dapper?

Changed in p7zip:
assignee: nobody → motu
Revision history for this message
linfir (linfir) wrote :

I am using Breezy, and the package version is p7zip_4.20-1_i386.deb.

Revision history for this message
Daniel Robitaille (robitaille) wrote :

I can confirm this bug on both Breezy and Dapper (flight 5)

Changed in p7zip:
status: Unconfirmed → Confirmed
Revision history for this message
Adam Niedling (krychek) wrote :

http://www.moyogo.com/FreeProGames.htm doesn't work anymore.
Since the original reporter was using Breezy which isn't supported anymore I'm closing this bug.
Please reopen if this is still an issue.

Changed in p7zip:
status: Confirmed → Invalid
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