[Bug default/31668] New: ABI self-comparison fails on btrfs-progs in Fedora 39 with libabigail 2.5.

[Bug default/31668] New: ABI self-comparison fails on btrfs-progs in Fedora 39 with libabigail 2.5.

[dodji at seketeli dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31668

            Bug ID: 31668
           Summary: ABI self-comparison fails on btrfs-progs in Fedora 39
                    with libabigail 2.5.
           Product: libabigail
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: default
          Assignee: unassigned at sourceware dot org
          Reporter: dodji at seketeli dot org
                CC: libabigail at sourceware dot org
  Target Milestone: ---

Steps to reproduce:

    $ time ./tools/fedabipkgdiff --abipkgdiff build/tools/abipkgdiff
--self-compare --from fc39 btrfs-progs
    Comparing the ABI of binaries between btrfs-progs-6.8-1.fc39.aarch64.rpm
and btrfs-progs-6.8-1.fc39.aarch64.rpm:

    ==== SELF CHECK SUCCEEDED for 'btrfs' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-convert' ====
    ==== SELF CHECK SUCCEEDED for 'mkfs.btrfs' ====
    ==== SELF CHECK SUCCEEDED for 'btrfstune' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-image' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-map-logical' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-select-super' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-find-root' ====

    Comparing the ABI of binaries between btrfs-progs-6.8-1.fc39.i686.rpm and
btrfs-progs-6.8-1.fc39.i686.rpm:

    ==== SELF CHECK SUCCEEDED for 'btrfs' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-convert' ====
    ==== SELF CHECK SUCCEEDED for 'mkfs.btrfs' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-image' ====
    ==== SELF CHECK SUCCEEDED for 'btrfstune' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-map-logical' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-find-root' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-select-super' ====

    Comparing the ABI of binaries between btrfs-progs-6.8-1.fc39.ppc64le.rpm
and btrfs-progs-6.8-1.fc39.ppc64le.rpm:

    ==== SELF CHECK SUCCEEDED for 'btrfs' ====
    ================ changes of 'btrfs-convert'===============
      Functions changes summary: 0 Removed, 0 Changed (134 filtered out), 0
Added functions
      Variables changes summary: 0 Removed, 0 Changed, 0 Added variable

    ================ end of changes of 'btrfs-convert'===============

    ==== SELF CHECK SUCCEEDED for 'mkfs.btrfs' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-image' ====
    ==== SELF CHECK SUCCEEDED for 'btrfstune' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-map-logical' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-find-root' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-select-super' ====

    Comparing the ABI of binaries between btrfs-progs-6.8-1.fc39.s390x.rpm and
btrfs-progs-6.8-1.fc39.s390x.rpm:

    ==== SELF CHECK SUCCEEDED for 'btrfs' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-convert' ====
    ==== SELF CHECK SUCCEEDED for 'mkfs.btrfs' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-image' ====
    ==== SELF CHECK SUCCEEDED for 'btrfstune' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-find-root' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-map-logical' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-select-super' ====

    Comparing the ABI of binaries between btrfs-progs-6.8-1.fc39.x86_64.rpm and
btrfs-progs-6.8-1.fc39.x86_64.rpm:

    ==== SELF CHECK SUCCEEDED for 'btrfs' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-convert' ====
    ==== SELF CHECK SUCCEEDED for 'mkfs.btrfs' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-image' ====
    ==== SELF CHECK SUCCEEDED for 'btrfstune' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-map-logical' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-find-root' ====
    ==== SELF CHECK SUCCEEDED for 'btrfs-select-super' ====


    real        0m6,994s
    user        0m19,945s
    sys 0m2,321s
    $ 

The relevant part of the error message is:

    Comparing the ABI of binaries between btrfs-progs-6.8-1.fc39.ppc64le.rpm
and btrfs-progs-6.8-1.fc39.ppc64le.rpm:

 [...]

    ================ changes of 'btrfs-convert'===============
      Functions changes summary: 0 Removed, 0 Changed (134 filtered out), 0
Added functions
      Variables changes summary: 0 Removed, 0 Changed, 0 Added variable

    ================ end of changes of 'btrfs-convert'===============

We should not have that error message.

This was first reported downstream at
https://bugzilla.redhat.com/show_bug.cgi?id=2275972.

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[Bug default/31668] ABI self-comparison fails on btrfs-progs in Fedora 39 with libabigail 2.5.

[dodji at seketeli dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31668

Dodji Seketeli <dodji at seketeli dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |31249

--- Comment #1 from Dodji Seketeli <dodji at seketeli dot org> ---
I'll revisit this issue once the type hashing work is done as that might fix a
lof of this kind of self-comparison issues.


Referenced Bugs:

https://sourceware.org/bugzilla/show_bug.cgi?id=31249
[Bug 31249] Use hashing to improve type comparison
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[Bug default/31668] ABI self-comparison fails on btrfs-progs in Fedora 39 with libabigail 2.5.

[dodji at seketeli dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31668

Dodji Seketeli <dodji at seketeli dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |29413


Referenced Bugs:

https://sourceware.org/bugzilla/show_bug.cgi?id=29413
[Bug 29413] libabigail 2.3 self-compare metabug
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