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[Khairul Aizat Kamarudzzaman <2121974@xxxxxxxxxxxxxxxxxx>]

*** This bug is a security vulnerability ***

Public security bug reported:

unexpected crashed

ProblemType: Crash
DistroRelease: Ubuntu 25.10
Package: perl-base 5.40.1-6
ProcVersionSignature: Ubuntu 6.16.0-16.16-generic 6.16.0
Uname: Linux 6.16.0-16-generic x86_64
NonfreeKernelModules: zfs nvidia_modeset nvidia
ApportVersion: 2.33.1-0ubuntu2
Architecture: amd64
AssertionMessage: free(): chunks in smallbin corrupted
CasperMD5CheckResult: pass
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep  4 02:10:25 2025
ExecutablePath: /usr/bin/perl
InstallationDate: Installed on 2025-06-04 (91 days ago)
InstallationMedia: Ubuntu 25.10 "Questing Quokka" - Daily amd64 (20250528)
ProcCmdline: /usr/bin/perl /usr/bin/clamtk
Signal: 6
SignalName: SIGABRT
SourcePackage: perl
StacktraceTop:
 __libc_message_impl (fmt=fmt@entry=0x709d02fde92a "%s\n") at ../sysdeps/posix/libc_fatal.c:138
 malloc_printerr (str=str@entry=0x709d02fe1c08 "free(): chunks in smallbin corrupted") at ./malloc/malloc.c:5882
 _int_free_create_chunk (av=0x709d03012ac0 <main_arena>, p=0x62c164997f40, size=192, nextchunk=<optimized out>, nextsize=48) at ./malloc/malloc.c:4843
 _int_free_merge_chunk (av=0x709d03012ac0 <main_arena>, p=0x62c164997f40, size=<optimized out>) at ./malloc/malloc.c:4791
 _int_free_chunk (av=0x709d03012ac0 <main_arena>, p=<optimized out>, size=<optimized out>, have_lock=<optimized out>) at ./malloc/malloc.c:4717
Title: perl assert failure: free(): chunks in smallbin corrupted
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip libvirt lpadmin lxd nordvpn plugdev sudo users
separator:

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


** Tags: amd64 apport-crash need-amd64-retrace questing wayland-session

** Information type changed from Private to Public Security

-- 
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https://bugs.launchpad.net/bugs/2121974

Title:
  perl assert failure: free(): chunks in smallbin corrupted

Status in perl package in Ubuntu:
  New

Bug description:
  unexpected crashed

  ProblemType: Crash
  DistroRelease: Ubuntu 25.10
  Package: perl-base 5.40.1-6
  ProcVersionSignature: Ubuntu 6.16.0-16.16-generic 6.16.0
  Uname: Linux 6.16.0-16-generic x86_64
  NonfreeKernelModules: zfs nvidia_modeset nvidia
  ApportVersion: 2.33.1-0ubuntu2
  Architecture: amd64
  AssertionMessage: free(): chunks in smallbin corrupted
  CasperMD5CheckResult: pass
  CrashCounter: 1
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Sep  4 02:10:25 2025
  ExecutablePath: /usr/bin/perl
  InstallationDate: Installed on 2025-06-04 (91 days ago)
  InstallationMedia: Ubuntu 25.10 "Questing Quokka" - Daily amd64 (20250528)
  ProcCmdline: /usr/bin/perl /usr/bin/clamtk
  Signal: 6
  SignalName: SIGABRT
  SourcePackage: perl
  StacktraceTop:
   __libc_message_impl (fmt=fmt@entry=0x709d02fde92a "%s\n") at ../sysdeps/posix/libc_fatal.c:138
   malloc_printerr (str=str@entry=0x709d02fe1c08 "free(): chunks in smallbin corrupted") at ./malloc/malloc.c:5882
   _int_free_create_chunk (av=0x709d03012ac0 <main_arena>, p=0x62c164997f40, size=192, nextchunk=<optimized out>, nextsize=48) at ./malloc/malloc.c:4843
   _int_free_merge_chunk (av=0x709d03012ac0 <main_arena>, p=0x62c164997f40, size=<optimized out>) at ./malloc/malloc.c:4791
   _int_free_chunk (av=0x709d03012ac0 <main_arena>, p=<optimized out>, size=<optimized out>, have_lock=<optimized out>) at ./malloc/malloc.c:4717
  Title: perl assert failure: free(): chunks in smallbin corrupted
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip libvirt lpadmin lxd nordvpn plugdev sudo users
  separator:

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