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From: "mark at klomp dot org" <sourceware-bugzilla@sourceware.org>
To: elfutils-devel@sourceware.org
Subject: [Bug libdw/23752] Invalid Address Read problem in dwfl_segment_report_module.c when executing ./eu-stack --core=$POC
Date: Sun, 14 Oct 2018 13:14:00 -0000
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X-Bugzilla-Who: mark at klomp dot org
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D23752

Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2018-10-14
                 CC|                            |mark at klomp dot org
     Ever confirmed|0                           |1

--- Comment #1 from Mark Wielaard <mark at klomp dot org> ---
Replicated under valgrind:

=3D=3D13295=3D=3D Invalid read of size 4
=3D=3D13295=3D=3D    at 0x50825BD: consider_notes (dwfl_segment_report_modu=
le.c:486)
=3D=3D13295=3D=3D    by 0x50825BD: consider_phdr (dwfl_segment_report_modul=
e.c:529)
=3D=3D13295=3D=3D    by 0x50825BD: dwfl_segment_report_module
(dwfl_segment_report_module.c:590)
=3D=3D13295=3D=3D    by 0x5086149: dwfl_core_file_report@@ELFUTILS_0.158
(core-file.c:541)
=3D=3D13295=3D=3D    by 0x4026AB: parse_opt (stack.c:590)
=3D=3D13295=3D=3D    by 0x58B4EB3: group_parse (argp-parse.c:256)
=3D=3D13295=3D=3D    by 0x58B4EB3: parser_finalize (argp-parse.c:603)
=3D=3D13295=3D=3D    by 0x58B4EB3: argp_parse (argp-parse.c:921)
=3D=3D13295=3D=3D    by 0x401C89: main (stack.c:690)
=3D=3D13295=3D=3D  Address 0x40b4114 is not stack'd, malloc'd or (recently)=
 free'd

--=20
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