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[Vladimir <2018472@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

* Ubuntu 22.04.2 LTS
* Squid 5.2-1ubuntu4.3

with basic auth configured, squid crashes when executing a request

--- stack trace ---
#0  0x000055ab70417679 in Auth::SchemeConfig::CreateAuthUser (proxy_auth=proxy_auth@entry=0x55ab75beff70 "Basic bHVwcm94eTpuY2k4dUZ1aW4=", al=...) at auth/SchemeConfig.cc:55
        config = 0x55ab721763f0
        rmb = {<Packable> = {_vptr.Packable = 0x55ab707aab28 <vtable for MemBuf+16>}, static CBDATA_MemBuf = 10, buf = 0x55ab728fa210 "", size = 0, max_capacity = 2097152000, capacity = 2048, stolen = 0}
        __FUNCTION__ = <optimized out>
#1  0x000055ab7041be5d in Auth::UserRequest::authenticate (auth_user_request=0x7ffc17e859f8, headertype=Http::PROXY_AUTHORIZATION, request=0x55ab7498d9b0, conn=0x55ab74a7ec08, src_addr=..., al=...) at auth/UserRequest.cc:354
        proxy_auth = 0x55ab75beff70 "Basic bHVwcm94eTpuY2k4dUZ1aW4="
        __FUNCTION__ = <optimized out>
#2  0x000055ab7041c5bc in Auth::UserRequest::tryToAuthenticateAndSetAuthUser (aUR=0x7ffc17e859f8, headertype=Http::PROXY_AUTHORIZATION, request=0x55ab7498d9b0, conn=0x55ab74a7ec08, src_addr=..., al=...) at auth/UserRequest.cc:453
        t = {p_ = 0x0}

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: squid 5.2-1ubuntu4.3
ProcVersionSignature: Ubuntu 5.15.0-71.78-generic 5.15.92
Uname: Linux 5.15.0-71-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.4
Architecture: amd64
CasperMD5CheckResult: pass
Date: Thu May  4 15:46:00 2023
InstallationDate: Installed on 2023-05-03 (0 days ago)
InstallationMedia: Ubuntu-Server 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230217.1)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=ru_RU.UTF-8
 SHELL=/bin/bash
SourcePackage: squid
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.squid.squid.conf: 2023-05-04T09:14:56.250378

** Affects: squid (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy uec-images

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https://bugs.launchpad.net/bugs/2018472

Title:
  squid crash basic auth

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