xsane assert failure: munmap_chunk(): invalid pointer

[Clemente López Giner]

xsane crashes when I tried to scan a colour document.
If I try to scan it in greyscale, it works perfect.

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: xsane 0.999-8ubuntu2.1
ProcVersionSignature: Ubuntu 5.11.0-37.41~20.04.2-generic 5.11.22
Uname: Linux 5.11.0-37-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
AssertionMessage: munmap_chunk(): invalid pointer
CasperMD5CheckResult: skip
CrashCounter: 1
CurrentDesktop: LXQt
Date: Sat Oct 9 11:59:44 2021
ExecutablePath: /usr/bin/xsane
InstallationDate: Installed on 2020-05-08 (518 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcCmdline: xsane
Signal: 6
SourcePackage: xsane
StacktraceTop:
 __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fba11b38285 "%s\n") at ../sysdeps/posix/libc_fatal.c:155
 malloc_printerr (str=str@entry=0x7fba11b3a1e0 "munmap_chunk(): invalid pointer") at malloc.c:5347
 munmap_chunk (p=<optimized out>) at malloc.c:2830
 ?? () from /lib/x86_64-linux-gnu/libjpeg.so.8
 jpeg_abort () from /lib/x86_64-linux-gnu/libjpeg.so.8
Title: xsane assert failure: munmap_chunk(): invalid pointer
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin lxd plugdev sambashare sudo
mtime.conffile..etc.apport.crashdb.conf: 2021-10-09T11:52:52.516767
separator:

[Apport retracing service (apport)]

StacktraceTop:
 __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fba11b38285 "%s\n") at ../sysdeps/posix/libc_fatal.c:155
 malloc_printerr (str=str@entry=0x7fba11b3a1e0 "munmap_chunk(): invalid pointer") at malloc.c:5347
 munmap_chunk (p=<optimized out>) at malloc.c:2830
 free_pool (cinfo=0x7ffc3c43b520, pool_id=<optimized out>) at ./jmemmgr.c:1036
 jpeg_abort (cinfo=cinfo@entry=0x7ffc3c43b520) at ./jcomapi.c:44