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From: "dodji at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: libabigail@sourceware.org
Subject: [Bug default/26908] libabigail's dwarf reader crashes while scanning
 a DW_TAG_partial_unit with no child node
Date: Mon, 30 Nov 2020 06:12:59 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26908

dodji at redhat dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
            Summary|abidw --abidiff             |libabigail's dwarf reader
                   |/lib64/libclang-cpp.so.11   |crashes while scanning a
                   |crashes in dwarf_dieoffset  |DW_TAG_partial_unit with no
                   |                            |child node
             Status|NEW                         |RESOLVED

--- Comment #5 from dodji at redhat dot com ---
Okay, it turned out this wasn't that difficult to handle after all :-)

This should be fixed by patch
https://sourceware.org/git/?p=3Dlibabigail.git;a=3Dcommit;h=3D2417efb2b7619=
ed2a2bd089d267833ee9d171eea,
applied to the master branch.

Note that just doing abidw --noout on the libclang-cpp.so binary takes 19
minutes and 11GB of RAM to complete.  The full abidw --abidiff takes 5 hour=
s to
complete on a power7 box here.  As I said in my comment earlier, it would t=
ake
a separate "project" to bring those numbers down for binaries with such a
*huge* ABI surface as clang and the likes.

Thanks for reporting this issue!

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