workaround of removing ‘noexec’ from /tmp partition in /etc/fstab still doesn’t work.
00 [TERM="linux" TTY="/dev/tty1" COLUMNS="80" LINES="25"] [?2004hroot@circa:~# apt upgrade exim4-base [?2004l Reading package lists... 0% Reading package lists... 100% Reading package lists... Done Building dependency tree... 0% Building dependency tree... 0% Building dependency tree... 50% Building dependency tree... 50% Building dependency tree... Done Reading state information... 0% Reading state information... 0% Reading state information... Done Calculating upgrade... 0% Calculating upgrade... 10% Calculating upgrade... Done The following packages were automatically installed and are no longer required: libevent-core-2.1-7 libevent-pthreads-2.1-7 libopts25 sntp Use 'apt autoremove' to remove them. The following packages will be upgraded: exim4-base exim4-config tzdata 3 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 8 not fully installed or removed. Need to get 0 B/1,906 kB of archives. After this operation, 2,784 kB of additional disk space will be used. Do you want to continue? [Y/n] y Reading changelogs... 25% Reading changelogs... 50% Reading changelogs... 100% Reading changelogs... Done Preconfiguring packages ... 7[0;24r8[1A(Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 181409 files and directories currently installed.) Preparing to unpack .../tzdata_2021a-1+deb11u1_all.deb ... 7[25;0f[42m[30mProgress: [ 0%][49m[39m [..........................................................] 87[25;0f[42m[30mProgress: [ 5%][49m[39m [##........................................................] 8Unpacking tzdata (2021a-1+deb11u1) over (2021a-1) ... dpkg (subprocess): unable to execute old tzdata package post-removal script (/var/lib/dpkg/info/tzdata.postrm): Permission denied [1mdpkg:[0m [1;33mwarning:[0m old tzdata package post-removal script subprocess returned error exit status 2 [1mdpkg:[0m trying script from the new package instead ... dpkg (subprocess): unable to execute new tzdata package post-removal script (/var/lib/dpkg/tmp.ci/postrm): Permission denied [1mdpkg:[0m error processing archive /var/cache/apt/archives/tzdata_2021a-1+deb11u1_all.deb (--unpack): new tzdata package post-removal script subprocess returned error exit status 2 dpkg (subprocess): unable to execute new tzdata package post-removal script (/var/lib/dpkg/tmp.ci/postrm): Permission denied [1mdpkg[0m: [1;31merror while cleaning up:[0m new tzdata package post-removal script subprocess returned error exit status 2 Preparing to unpack .../exim4-config_4.94.2-7_all.deb ... 7[25;0f[42m[30mProgress: [ 10%][49m[39m [#####.....................................................] 8dpkg (subprocess): unable to execute new exim4-config package pre-installation script (/var/lib/dpkg/tmp.ci/preinst): Permission denied [1mdpkg:[0m error processing archive /var/cache/apt/archives/exim4-config_4.94.2-7_all.deb (--unpack): new exim4-config package pre-installation script subprocess returned error exit status 2 dpkg (subprocess): unable to execute new exim4-config package post-removal script (/var/lib/dpkg/tmp.ci/postrm): Permission denied [1mdpkg[0m: [1;31merror while cleaning up:[0m new exim4-config package post-removal script subprocess returned error exit status 2 Preparing to unpack .../exim4-base_4.94.2-7_amd64.deb ... 7[25;0f[42m[30mProgress: [ 14%][49m[39m [########..................................................] 8dpkg (subprocess): unable to execute new exim4-base package pre-installation script (/var/lib/dpkg/tmp.ci/preinst): Permission denied [1mdpkg:[0m error processing archive /var/cache/apt/archives/exim4-base_4.94.2-7_amd64.deb (--unpack): new exim4-base package pre-installation script subprocess returned error exit status 2 dpkg (subprocess): unable to execute new exim4-base package post-removal script (/var/lib/dpkg/tmp.ci/postrm): Permission denied [1mdpkg[0m: [1;31merror while cleaning up:[0m new exim4-base package post-removal script subprocess returned error exit status 2 Errors were encountered while processing: /var/cache/apt/archives/tzdata_2021a-1+deb11u1_all.deb /var/cache/apt/archives/exim4-config_4.94.2-7_all.deb /var/cache/apt/archives/exim4-base_4.94.2-7_amd64.deb 7[0;25r8[1A[J[1;31mE: [0mSub-process /usr/bin/dpkg returned an error code (1)[0m [?2004hroot@circa:~# exit [?2004l exit Script done on 2021-10-05 15:53:17-04:00 [COMMAND_EXIT_CODE="100"] I still have “nosuid” and “nodev” mount options left but i won’t remove that.