Bug 591879 - crash on VLA bound referencing optimized-out variable
crash on VLA bound referencing optimized-out variable
Status: CLOSED ERRATA
Product: Fedora
Classification: Fedora
Component: gdb (Show other bugs)
13
x86_64 Linux
low Severity medium
: ---
: ---
Assigned To: Jan Kratochvil
Fedora Extras Quality Assurance
abrt_hash:1d39d08e754518f5d5477c2b81b...
:
Depends On:
Blocks: 591993
  Show dependency treegraph
 
Reported: 2010-05-13 08:17 EDT by Adam Goode
Modified: 2010-05-15 16:16 EDT (History)
3 users (show)

See Also:
Fixed In Version: gdb-7.1-20.fc13
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
: 591993 (view as bug list)
Environment:
Last Closed: 2010-05-15 16:16:33 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---


Attachments (Terms of Use)
File: backtrace (209.32 KB, text/plain)
2010-05-13 08:17 EDT, Adam Goode
no flags Details

  None (edit)
Description Adam Goode 2010-05-13 08:17:55 EDT
abrt 1.1.0 detected a crash.

architecture: x86_64
Attached file: backtrace
cmdline: gdb empathy
component: gdb
crash_function: attr_form_is_section_offset
executable: /usr/bin/gdb
global_uuid: 1d39d08e754518f5d5477c2b81b982daad3861e5
kernel: 2.6.33.3-85.fc13.x86_64
package: gdb-7.1-18.fc13
rating: 4
reason: Process /usr/bin/gdb was killed by signal 11 (SIGSEGV)
release: Fedora release 13 (Goddard)

comment
-----
Was attempting to debug empathy:

#14 0x000000371704aeb9 in IA__g_option_context_parse (context=0x706f30, 
    argc=<value optimized out>, argv=<value optimized out>, 
    error=<value optimized out>) at goption.c:1947
1947		  if (!(* group->post_parse_func) (context, group,
(gdb) list
1942	    {
1943	      GOptionGroup *group = list->data;
1944	      
1945	      if (group->post_parse_func)
1946		{
1947		  if (!(* group->post_parse_func) (context, group,
1948						   group->user_data, error))
1949		    goto fail;
1950		}
1951	      
(gdb) print group
$10 = <value optimized out>
(gdb) print *group
Cannot access memory at address 0x0
(gdb) print context
$11 = (GOptionContext *) 0x706f30
(gdb) print *context
$12 = {groups = 0x6fd8a0 = {0x706f90, 0x709a40, 0x70bdb0}, parameter_string = 
    0x706e80 "- Empathy IM Client", summary = 0x0, description = 0x0, 
  translate_func = 0, translate_notify = 0, translate_data = 0x0, 
  help_enabled = 1, ignore_unknown = 0, main_group = 0x70be20, changes = 0x0, 
  pending_nulls = 0x0}
(gdb) print list
$13 = <value optimized out>
(gdb) print *context->groups
$14 = {data=0x706f90, next=0x6fd8c0, prev=0x0}
(gdb) print context->groups
$15 = 0x6fd8a0 = {0x706f90, 0x709a40, 0x70bdb0}
(gdb) print *context->groups
$16 = {data=0x706f90, next=0x6fd8c0, prev=0x0}
(gdb) print *context->groups->data
Segmentation fault (core dumped)
Comment 1 Adam Goode 2010-05-13 08:17:58 EDT
Created attachment 413736 [details]
File: backtrace
Comment 2 Jan Kratochvil 2010-05-13 12:10:23 EDT
Great bugreport, thanks.
Checked-in now in archer-jankratochvil-vla as:
a683bac73af74a757591672d89d720169c0b5ec9
Comment 3 Fedora Update System 2010-05-13 13:37:35 EDT
gdb-7.1-20.fc13 has been submitted as an update for Fedora 13.
http://admin.fedoraproject.org/updates/gdb-7.1-20.fc13
Comment 4 Fedora Update System 2010-05-15 16:16:21 EDT
gdb-7.1-20.fc13 has been pushed to the Fedora 13 stable repository.  If problems still persist, please make note of it in this bug report.

Note You need to log in before you can comment on or make changes to this bug.