[Bug 2028454] Re: apt-config crashed with SIGSEGV in _int_malloc()

[Bernard Stafford]

Re-downloaded Ubuntu 23.10 Mantic Build 20230723 Tested in virtual box.
During the initial entering of information.
Entered the first letter of the password, Crash.
Just to make sure, restarted the OS. selected install.
reproduced bug 2nd time, Crash
Entered information until first letter of password, Crash -
White Blank installer page.
My RAM is not damaged!
I have RAM check during boot of my OS. Okay
Ubuntu 22.04 LTS Minimal installed just fine. 

** Attachment added: "Ubuntu_mantic.png"
   https://bugs.launchpad.net/ubuntu/+source/apt/+bug/2028454/+attachment/5688000/+files/Ubuntu_mantic.png

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Title:
  apt-config crashed with SIGSEGV in _int_malloc()

Status in apt package in Ubuntu:
  Incomplete

Bug description:
  ProblemType: Crash
  DistroRelease: Ubuntu 23.10
  Package: apt 2.7.2
  ProcVersionSignature: Ubuntu 6.3.0-7.7-generic 6.3.5
  Uname: Linux 6.3.0-7-generic x86_64
  NonfreeKernelModules: zfs
  ApportVersion: 2.26.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckMismatches: ./casper/minimal.fr.squashfs
  CasperMD5CheckResult: fail
  CasperVersion: 1.481
  Date: Sun Jul 23 09:14:39 2023
  ExecutablePath: /usr/bin/apt-config
  JournalErrors:
   Jul 23 09:14:31 hostname kernel: overlayfs: fs on '/tmp/tmpc4daggpg/root.dir' does not support file handles, falling back to xino=off.
   Jul 23 09:14:35 hostname kernel: overlayfs: fs on '/tmp/tmpkuua06i6/root.dir' does not support file handles, falling back to xino=off.
   Jul 23 09:14:37 hostname kernel: overlayfs: fs on '/tmp/tmpkuua06i6/root.dir' does not support file handles, falling back to xino=off.
   Jul 23 09:14:37 hostname kernel: overlayfs: lowerdir is in-use as upperdir/workdir of another mount, accessing files from both mounts will result in undefined behavior.
   Jul 23 09:14:40 hostname pipewire[1573]: spa.alsa: front:0: (0 missed) impossible htimestamp diff:-8420
  LiveMediaBuild: Ubuntu 23.10 "Mantic Minotaur" - Daily amd64 (20230723)
  ProcCmdline: apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d
  ProcEnviron:
   LANG=
   LC_MESSAGES=
   PATH=(custom, no user)
   SHELL=/bin/sh
  SegvAnalysis:
   Segfault happened at: 0x7fd06012f111 <_int_malloc+737>:	cmp    0x10(%r8),%rdx
   PC (0x7fd06012f111) ok
   source "0x10(%r8)" (0x69efc653158d0b5d) not located in a known VMA region (needed readable region)!
   destination "%rdx" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: apt
  StacktraceTop:
   _int_malloc (av=av at entry=0x7fd060287c80 <main_arena>, bytes=bytes at entry=472) at ./malloc/malloc.c:3994
   __GI___libc_malloc (bytes=bytes at entry=472) at ./malloc/malloc.c:3297
   __fopen_internal (is32=1, mode=0x7fd0604878c3 "r", filename=0x5579117a9860 "/usr/share/dpkg/tupletable") at ./libio/iofopen.c:65
   _IO_new_fopen (filename=0x5579117a9860 "/usr/share/dpkg/tupletable", mode=0x7fd0604878c3 "r") at ./libio/iofopen.c:86
   std::__basic_file<char>::open(char const*, std::_Ios_Openmode, int) () from /lib/x86_64-linux-gnu/libstdc++.so.6
  Title: apt-config crashed with SIGSEGV in _int_malloc()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: N/A
  separator:

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