Bug 1053583

Summary: -e static_exec && --core does not read symbols
Product: [Fedora] Fedora Reporter: Jan Kratochvil <jan.kratochvil>
Component: elfutilsAssignee: Roland McGrath <roland>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: rawhideCC: fche, jakub, jan, jan.kratochvil, mjw, roland
Target Milestone: ---Keywords: FutureFeature, Reopened
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Enhancement
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-07-19 10:53:01 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
static exec
none
core none

Description Jan Kratochvil 2014-01-15 12:54:18 UTC 
Description of problem:
elfutils does not read symbols as:
 * dwfl_link_map_report() does not find DT_DEBUG so r_debug_info is left empty
 * dwfl_segment_report_module() reports only the LOAD segment size so .symtab is stripped out

Version-Release number of selected component (if applicable):
GIT HEAD: e1b6b9d3131f32ef54932388c814adc02ca6a329

How reproducible:
Always.

Steps to Reproduce:
src/stack -e testfile-backtrace-demangle --core testfile-backtrace-demangle.core -lm

Actual results:
PID 9630 - core module memory map
0x0000000000400000-0x0000000000401000 [exe]
  [068bd5513e4d2ee0826d096ac37aed546e5eae6f]
  -
0x00007fff0abe4000-0x00007fff0abe5000 linux-vdso.so.1
  [7477f9f5440ccc99718deb2b55e7bb8f6d042710]
  -
  /usr/lib/debug/lib/modules/3.12.6-300.fc20.x86_64/vdso/vdso.so.debug
PID 9630 - core
TID 9630:
#0  0x0000000000400118 - [exe]
#1  0x000000000040012e - [exe]
#2  0x0000000000400139 - [exe]
#3  0x0000000000000001
../src/stack: dwfl_thread_getframes tid 9630 at 0x0 in <unknown>: No DWARF information found

Expected results:
[...]
#0  0x0000000000400118 cxxfunc(int)
#1  0x000000000040012e f
#2  0x0000000000400139 _start
[...]

Additional info:
Comment 1 Jan Kratochvil 2014-01-15 12:56:04 UTC 
Created attachment 850484 [details]
static exec
Comment 2 Jan Kratochvil 2014-01-15 12:56:37 UTC 
Created attachment 850485 [details]
core
Comment 3 Jaroslav Reznik 2015-03-03 15:23:37 UTC 
This bug appears to have been reported against 'rawhide' during the Fedora 22 development cycle.
Changing version to '22'.

More information and reason for this action is here:
https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora22
Comment 4 Fedora End Of Life 2016-07-19 10:53:01 UTC 
Fedora 22 changed to end-of-life (EOL) status on 2016-07-19. Fedora 22 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of
Fedora please feel free to reopen this bug against that version. If you
are unable to reopen this bug, please file a new report against the
current release. If you experience problems, please add a comment to this
bug.

Thank you for reporting this bug and we are sorry it could not be fixed.
Comment 5 Mark Wielaard 2016-07-19 11:00:27 UTC 
This should have stayed open. Changing version to rawhide (it already has FutureFeature keyword) hopefully that helps.