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[Bug 1926300] Re: clamdscan - MULTISCAN parameter causes Segmentation fault error

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1926300@xxxxxxxxxxxxxxxxxx>
Date: Mon, 03 May 2021 22:18:13 -0000
Reply-to: Bug 1926300 <1926300@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

This bug was fixed in the package clamav - 0.103.2+dfsg-0ubuntu0.20.10.2

---------------
clamav (0.103.2+dfsg-0ubuntu0.20.10.2) groovy-security; urgency=medium

  * SECURITY REGRESSION: clamdscan - MULTISCAN parameter causes
    Segmentation fault.
    (LP: #1926300)
    - debian/patches/lp_1926300_multiscan_param_segfault.patch: fix
      --fdpass -m & ExcludePath crash in clamd/scanner.c,
      libclamav/others.h, libclamav/others_common.c,
      unit_tests/check_clamd.c.

 -- Leonidas Da Silva Barbosa <leo.barbosa@xxxxxxxxxxxxx>  Thu, 29 Apr
2021 08:22:23 -0300

** Changed in: clamav (Ubuntu Groovy)
       Status: Triaged => Fix Released

** Changed in: clamav (Ubuntu Bionic)
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1926300

Title:
  clamdscan - MULTISCAN  parameter causes Segmentation fault error

Status in ClamAV:
  Unknown
Status in clamav package in Ubuntu:
  Triaged
Status in clamav source package in Xenial:
  Triaged
Status in clamav source package in Bionic:
  Fix Released
Status in clamav source package in Focal:
  Triaged
Status in clamav source package in Groovy:
  Fix Released
Status in clamav source package in Hirsute:
  Triaged

Bug description:
  While running clamdscan with the --multiscan parameter we get the
  following error: Segmentation fault (core dumped)

  The scan starts without '--multiscan' but it cause performance issues
  The issue is present on Ubuntu 16.04.7 LTS, Ubuntu 18.04.5 LTS, Ubuntu 20.04.2 LTS

  
  from dmesg log:
  [Wed Apr 21 13:45:30 2021] clamdscan[5805]: segfault at 0 ip 00007f42b5128bf5 sp 00007fff89b76088 error 4 in libc-2.27.so[7f42b5072000+1e7000]
  [Wed Apr 21 13:45:30 2021] Code: bc d1 f3 0f 7f 27 f3 0f 7f 6f 10 f3 0f 7f 77 20 f3 0f 7f 7f 30 49 83 c0 0f 49 29 d0 48 8d 7c 17 31 e9 8f 0b 00 00 66 0f ef c0 <f3> 0f 6f 0e f3 0f 6f 56 10 66 0f 74 c1 66 0f d7 d0 49 83 f8 11 0f

  
  ClamAV 0.103.2/26152/Mon Apr 26 11:04:28 2021

  clamav                           0.103.2+dfsg-0ubuntu0.16.04.1              amd64
  clamav-base                      0.103.2+dfsg-0ubuntu0.16.04.1              all
  clamav-daemon                    0.103.2+dfsg-0ubuntu0.16.04.1              amd64
  clamav-docs                      0.103.2+dfsg-0ubuntu0.16.04.1              all
  clamav-freshclam                 0.103.2+dfsg-0ubuntu0.16.04.1              amd64
  clamdscan                        0.103.2+dfsg-0ubuntu0.16.04.1              amd64

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