[Bug 1929849] Re: ftbfs on hirsute due to kernel changing type of RFKILL_EVENT_SIZE_V1

[Brian Murray]

Hello Dan, or anyone else affected,

Accepted systemd into hirsute-proposed. The package will build now and
be available at
https://launchpad.net/ubuntu/+source/systemd/247.3-3ubuntu3.1 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
hirsute to verification-done-hirsute. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-hirsute. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: systemd (Ubuntu Hirsute)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-hirsute

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https://bugs.launchpad.net/bugs/1929849

Title:
  ftbfs on hirsute due to kernel changing type of RFKILL_EVENT_SIZE_V1

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Hirsute:
  Fix Committed

Bug description:
  [impact]

  ftbfs

  [test case]

  try to build, e.g.:

  https://launchpadlibrarian.net/540746512/buildlog_ubuntu-hirsute-
  amd64.systemd_247.3-3ubuntu3.1_BUILDING.txt.gz

  ../src/rfkill/rfkill.c: In function ‘load_state’:
  ../src/rfkill/rfkill.c:180:15: warning: comparison of integer expressions of different signedness: ‘ssize_t’ {aka ‘long int’} and ‘long unsigned int’ [-Wsign-compare]
    180 |         if (l < RFKILL_EVENT_SIZE_V1)

  [regression potential]

  any regression would likely cause ftbfs or could cause improper
  reading/parsing of the kernel rfkill data

  [scope]

  this is needed only for h

  this is fixed upstream in systemd by commit ab1aa6368a8 which was
  pulled into i already.

  this does not exist for g or earlier, as the upstream kernel commit
  71826654ce401 changed the macro value and introduced this problem, and
  that was first included in kernel v5.12 and then backported into
  hirsute v5.11 kernel in commit a8c36c7222055 which was first included
  in Ubuntu-5.11.0-18.19

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