[Bug 2083937] Re: [SRU] Enable frame-pointer on Noble in update-notifier

[Alessandro Astone]

Verified update-notifier=3.192.68.1 in Ubuntu 24.04.2 LTS

update-notifier runs normally.

Installed dbgsym from https://launchpad.net/ubuntu/+archive/primary/+files/update-notifier-dbgsym_3.192.68.1_amd64.ddeb
Run the script at https://gist.github.com/julian-klode/85e55553f85c410a1b856a93dce77208
Output:

/usr/bin/update-notifier elf
/usr/bin/update-notifier unit <artificial> produced-by GNU GIMPLE 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -g -O2 -O2 -fno-openmp -fno-openacc -fPIC -fcf-protection=full -fasynchronous-unwind-tables -fno-omit-frame-pointer -fstack-protector-strong -fstack-clash-protection -fcf-protection=full -ffat-lto-objects -fltrans
/usr/bin/update-notifier unit update-notifier.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit rfc822.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit hooks.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit reboot.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit crash.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit livepatch-tray.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit livepatch-utils.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit update.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit release.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit uevent.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection
/usr/bin/update-notifier unit trayappletui.c produced-by GNU C17 13.3.0 -mno-omit-leaf-frame-pointer -mtune=generic -march=x86-64 -g -O2 -fno-omit-frame-pointer -flto -ffat-lto-objects -fstack-protector-strong -fcf-protection=full -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection

** Tags removed: verification-needed verification-needed-noble
** Tags added: verification-done verification-done-noble

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https://bugs.launchpad.net/bugs/2083937

Title:
  [SRU] Enable frame-pointer on Noble in update-notifier

Status in update-notifier package in Ubuntu:
  Invalid
Status in update-notifier source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]
  In order to help developers with profiling, Ubuntu enabled frame-pointers for packages in the main archive.

  https://ubuntu.com/blog/ubuntu-performance-engineering-with-frame-
  pointers-by-default

  The `Affects` packages were missed due to the packaging issues. These
  have been fixed on Oracular and can now be ported to Noble.

  [ Test Plan ]

  Look at the DW_AT_producer in the associated debug ELF file for flags.
  -fno-omit-frame-pointer should be present after the fix.

  The following scripts can be used as a reference
  https://gist.github.com/julian-klode/85e55553f85c410a1b856a93dce77208
  https://gist.github.com/julian-klode/95818246eaef0ac6a54588f7f368e25c

  The autopkgtests cover the Python parts, so we should start update-
  notifier on a real system and see that it still starts. We don't
  expect any regressions from compiler flag changes, so I don't want to
  do a whole bunch of UI tests or anything.

  [ Where problems could occur ]

  No source changes are made. The packaging fixes have enabled other
  security hardening flags. This could have unintended effects.

  [ Other Info ]

  changes in dpkg have been made to make sure frame-pointers are not
  enabled on s390x and ppc64el.

  Bug reference with similar SRU -
  https://bugs.launchpad.net/ubuntu/+source/ipvsadm/+bug/2071949

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