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* [Bug gdb/14494] New: gdb crashes in bfd_getl16 on debuginfo file
@ 2012-08-18 13:42 arjan at linux dot intel.com
2012-08-18 13:44 ` [Bug gdb/14494] " arjan at linux dot intel.com
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: arjan at linux dot intel.com @ 2012-08-18 13:42 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14494
Bug #: 14494
Summary: gdb crashes in bfd_getl16 on debuginfo file
Product: gdb
Version: 7.5
Status: NEW
Severity: normal
Priority: P2
Component: gdb
AssignedTo: unassigned@sourceware.org
ReportedBy: arjan@linux.intel.com
Classification: Unclassified
Created attachment 6590
--> http://sourceware.org/bugzilla/attachment.cgi?id=6590
the libc.so file that causes the crash
gdb -readnow /usr/lib/debug/lib64/libc-2.16.so.debug
gives the following backtrace:
#0 bfd_getl16 (p=0x7fd47abc965b) at libbfd.c:570
#1 0x000000000057333a in read_2_bytes (buf=0x7fd47abc965b <Address
0x7fd47abc965b out of bounds>, abfd=<optimized out>)
at dwarf2read.c:13088
#2 dwarf_parse_macro_header
(opcode_definitions=opcode_definitions@entry=0x7fff1d59ddf0,
abfd=abfd@entry=0x26ed6c0,
mac_ptr=0x7fd47abc965b <Address 0x7fd47abc965b out of bounds>,
offset_size=offset_size@entry=0x7fff1d59dde8,
section_is_gnu=section_is_gnu@entry=1) at dwarf2read.c:17156
#3 0x000000000057c1ac in dwarf_decode_macros (cu=cu@entry=0x27929b0,
offset=5835,
comp_dir=0x7fd47c59d368 <Address 0x7fd47c59d368 out of bounds>,
section_is_gnu=section_is_gnu@entry=1)
at dwarf2read.c:17509
#4 0x0000000000589a81 in read_file_scope (cu=<optimized out>, die=<optimized
out>) at dwarf2read.c:7691
#5 process_die (die=<optimized out>, cu=cu@entry=0x27929b0) at
dwarf2read.c:6872
#6 0x000000000058d7da in process_full_comp_unit
(pretend_language=language_minimal, per_cu=0x2702790) at dwarf2read.c:6680
#7 process_queue () at dwarf2read.c:6250
#8 dw2_do_instantiate_symtab (per_cu=per_cu@entry=0x2702790) at
dwarf2read.c:2177
#9 0x000000000058dd2c in dw2_instantiate_symtab (per_cu=0x2702790) at
dwarf2read.c:2198
#10 0x000000000058e192 in dw2_expand_all_symtabs (objfile=<optimized out>) at
dwarf2read.c:3136
#11 0x0000000000509996 in symbol_file_add_with_addrs_or_offsets
(abfd=<optimized out>, add_flags=6, addrs=addrs@entry=0x0,
flags=<optimized out>, flags@entry=0, parent=parent@entry=0x0,
num_offsets=0, offsets=0x0) at symfile.c:1126
#12 0x0000000000509c4a in symbol_file_add_from_bfd (abfd=<optimized out>,
add_flags=<optimized out>, addrs=addrs@entry=0x0,
flags=flags@entry=0, parent=parent@entry=0x0) at symfile.c:1198
#13 0x0000000000509c91 in symbol_file_add (name=name@entry=0x7fff1d59fdaa
"/usr/lib/debug/lib64/libc-2.16.so.debug",
add_flags=<optimized out>, addrs=addrs@entry=0x0, flags=flags@entry=0) at
symfile.c:1210
#14 0x000000000050a045 in symbol_file_add_main_1 (args=0x7fff1d59fdaa
"/usr/lib/debug/lib64/libc-2.16.so.debug", from_tty=1,
flags=0) at symfile.c:1235
#15 0x000000000052e6cf in catch_command_errors (command=0x50a1a0
<symbol_file_add_main>,
arg=arg@entry=0x7fff1d59fdaa "/usr/lib/debug/lib64/libc-2.16.so.debug",
from_tty=1, mask=mask@entry=6) at exceptions.c:573
#16 0x0000000000530add in captured_main (data=data@entry=0x7fff1d59ea80) at
main.c:899
(the crash happens also on a regular "bt" command of some crashed application,
but this is the easiest testcase)
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* [Bug gdb/14494] gdb crashes in bfd_getl16 on debuginfo file
2012-08-18 13:42 [Bug gdb/14494] New: gdb crashes in bfd_getl16 on debuginfo file arjan at linux dot intel.com
@ 2012-08-18 13:44 ` arjan at linux dot intel.com
2012-08-18 14:40 ` arjan at linux dot intel.com
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: arjan at linux dot intel.com @ 2012-08-18 13:44 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14494
--- Comment #1 from Arjan van de Ven <arjan at linux dot intel.com> 2012-08-18 13:44:09 UTC ---
(just to mention, I compressed the libc so file with XZ for size reasons)
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* [Bug gdb/14494] gdb crashes in bfd_getl16 on debuginfo file
2012-08-18 13:42 [Bug gdb/14494] New: gdb crashes in bfd_getl16 on debuginfo file arjan at linux dot intel.com
2012-08-18 13:44 ` [Bug gdb/14494] " arjan at linux dot intel.com
@ 2012-08-18 14:40 ` arjan at linux dot intel.com
2012-08-18 16:59 ` jan.kratochvil at redhat dot com
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: arjan at linux dot intel.com @ 2012-08-18 14:40 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14494
--- Comment #2 from Arjan van de Ven <arjan at linux dot intel.com> 2012-08-18 14:40:27 UTC ---
further investigation.. I can make the segfault go away if I use slightly
different strip options on binaries. But that is likely only a workaround by
avoiding the code that crashes
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* [Bug gdb/14494] gdb crashes in bfd_getl16 on debuginfo file
2012-08-18 13:42 [Bug gdb/14494] New: gdb crashes in bfd_getl16 on debuginfo file arjan at linux dot intel.com
2012-08-18 13:44 ` [Bug gdb/14494] " arjan at linux dot intel.com
2012-08-18 14:40 ` arjan at linux dot intel.com
@ 2012-08-18 16:59 ` jan.kratochvil at redhat dot com
2012-08-27 16:43 ` cvs-commit at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jan.kratochvil at redhat dot com @ 2012-08-18 16:59 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14494
Jan Kratochvil <jan.kratochvil at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |jan.kratochvil at redhat
| |dot com
AssignedTo|unassigned at sourceware |jan.kratochvil at redhat
|dot org |dot com
--- Comment #3 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2012-08-18 16:59:31 UTC ---
[patch] Fix .debug_macro NOBITS crash (PR 14494)
http://sourceware.org/ml/gdb-patches/2012-08/msg00513.html
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* [Bug gdb/14494] gdb crashes in bfd_getl16 on debuginfo file
2012-08-18 13:42 [Bug gdb/14494] New: gdb crashes in bfd_getl16 on debuginfo file arjan at linux dot intel.com
` (2 preceding siblings ...)
2012-08-18 16:59 ` jan.kratochvil at redhat dot com
@ 2012-08-27 16:43 ` cvs-commit at gcc dot gnu.org
2012-08-27 16:44 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2012-08-27 16:43 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14494
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2012-08-27 16:43:03 UTC ---
CVSROOT: /cvs/src
Module name: src
Branch: gdb_7_5-branch
Changes by: jkratoch@sourceware.org 2012-08-27 16:42:55
Modified files:
gdb : ChangeLog dwarf2read.c
Log message:
gdb/
PR gdb/14494.
* dwarf2read.c (dwarf2_locate_sections): Move variable aflag here.
Move the SEC_HAS_CONTENTS check here - for any NAMES use.
(dwarf2_locate_sections) <eh_frame>: Move the variable and check from
here.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&only_with_tag=gdb_7_5-branch&r1=1.14469.2.27&r2=1.14469.2.28
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/dwarf2read.c.diff?cvsroot=src&only_with_tag=gdb_7_5-branch&r1=1.687.2.1&r2=1.687.2.2
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* [Bug gdb/14494] gdb crashes in bfd_getl16 on debuginfo file
2012-08-18 13:42 [Bug gdb/14494] New: gdb crashes in bfd_getl16 on debuginfo file arjan at linux dot intel.com
` (3 preceding siblings ...)
2012-08-27 16:43 ` cvs-commit at gcc dot gnu.org
@ 2012-08-27 16:44 ` cvs-commit at gcc dot gnu.org
2012-08-27 16:44 ` cvs-commit at gcc dot gnu.org
2012-08-27 16:46 ` jan.kratochvil at redhat dot com
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2012-08-27 16:44 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14494
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2012-08-27 16:43:36 UTC ---
CVSROOT: /cvs/src
Module name: src
Changes by: jkratoch@sourceware.org 2012-08-27 16:43:27
Modified files:
gdb : ChangeLog
Log message:
ChangeLog fix:
PR gdb/14494.
* dwarf2read.c (dwarf2_locate_sections): Move variable aflag here.
Move the SEC_HAS_CONTENTS check here - for any NAMES use.
(dwarf2_locate_sections) <eh_frame>: Move the variable and check from
here.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.14632&r2=1.14633
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* [Bug gdb/14494] gdb crashes in bfd_getl16 on debuginfo file
2012-08-18 13:42 [Bug gdb/14494] New: gdb crashes in bfd_getl16 on debuginfo file arjan at linux dot intel.com
` (4 preceding siblings ...)
2012-08-27 16:44 ` cvs-commit at gcc dot gnu.org
@ 2012-08-27 16:44 ` cvs-commit at gcc dot gnu.org
2012-08-27 16:46 ` jan.kratochvil at redhat dot com
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2012-08-27 16:44 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14494
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2012-08-27 16:43:03 UTC ---
CVSROOT: /cvs/src
Module name: src
Branch: gdb_7_5-branch
Changes by: jkratoch@sourceware.org 2012-08-27 16:42:55
Modified files:
gdb : ChangeLog dwarf2read.c
Log message:
gdb/
PR gdb/14494.
* dwarf2read.c (dwarf2_locate_sections): Move variable aflag here.
Move the SEC_HAS_CONTENTS check here - for any NAMES use.
(dwarf2_locate_sections) <eh_frame>: Move the variable and check from
here.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&only_with_tag=gdb_7_5-branch&r1=1.14469.2.27&r2=1.14469.2.28
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/dwarf2read.c.diff?cvsroot=src&only_with_tag=gdb_7_5-branch&r1=1.687.2.1&r2=1.687.2.2
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2012-08-27 16:43:36 UTC ---
CVSROOT: /cvs/src
Module name: src
Changes by: jkratoch@sourceware.org 2012-08-27 16:43:27
Modified files:
gdb : ChangeLog
Log message:
ChangeLog fix:
PR gdb/14494.
* dwarf2read.c (dwarf2_locate_sections): Move variable aflag here.
Move the SEC_HAS_CONTENTS check here - for any NAMES use.
(dwarf2_locate_sections) <eh_frame>: Move the variable and check from
here.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.14632&r2=1.14633
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* [Bug gdb/14494] gdb crashes in bfd_getl16 on debuginfo file
2012-08-18 13:42 [Bug gdb/14494] New: gdb crashes in bfd_getl16 on debuginfo file arjan at linux dot intel.com
` (5 preceding siblings ...)
2012-08-27 16:44 ` cvs-commit at gcc dot gnu.org
@ 2012-08-27 16:46 ` jan.kratochvil at redhat dot com
6 siblings, 0 replies; 8+ messages in thread
From: jan.kratochvil at redhat dot com @ 2012-08-27 16:46 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14494
Jan Kratochvil <jan.kratochvil at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #6 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2012-08-27 16:45:36 UTC ---
Checked in and also for 7.5.1.
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2012-08-18 13:42 [Bug gdb/14494] New: gdb crashes in bfd_getl16 on debuginfo file arjan at linux dot intel.com
2012-08-18 13:44 ` [Bug gdb/14494] " arjan at linux dot intel.com
2012-08-18 14:40 ` arjan at linux dot intel.com
2012-08-18 16:59 ` jan.kratochvil at redhat dot com
2012-08-27 16:43 ` cvs-commit at gcc dot gnu.org
2012-08-27 16:44 ` cvs-commit at gcc dot gnu.org
2012-08-27 16:44 ` cvs-commit at gcc dot gnu.org
2012-08-27 16:46 ` jan.kratochvil at redhat dot com
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