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* [Bug c++/17066] New: GDB demeangler crashes
@ 2014-06-18 14:43 andre.poenitz at digia dot com
2014-06-18 15:37 ` [Bug c++/17066] " andre.poenitz at digia dot com
` (11 more replies)
0 siblings, 12 replies; 13+ messages in thread
From: andre.poenitz at digia dot com @ 2014-06-18 14:43 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
Bug ID: 17066
Summary: GDB demeangler crashes
Product: gdb
Version: 7.7
Status: NEW
Severity: normal
Priority: P2
Component: c++
Assignee: unassigned at sourceware dot org
Reporter: andre.poenitz at digia dot com
I get immedate segfaults when running
echo 'void
_ZN5Utils9transformIPN15ProjectExplorer13BuildStepListEZNKS1_18BuildConfiguration14knownStepListsEvEUlS3_E_EEN4Myns5QListIDTclfp0_cvT__EEEEERKNS7_IS8_EET0_()
{ } int main() {}' | gcc -xc - && /data/dev/debugger/installed/gdb-git/bin/gdb
./a.out
both with Ubuntu 14.04's "GNU gdb (Ubuntu 7.7-0ubuntu3.1) 7.7" and current
git's HEAD (currently 5d376983)
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* [Bug c++/17066] GDB demeangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
@ 2014-06-18 15:37 ` andre.poenitz at digia dot com
2014-06-18 15:44 ` [Bug c++/17066] GDB demangler crashes palves at redhat dot com
` (10 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: andre.poenitz at digia dot com @ 2014-06-18 15:37 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
--- Comment #1 from Andre' <andre.poenitz at digia dot com> ---
The crash was introduced with 492e19d098f4bf4f22bac22815e9cb117be55b33 "Fix
demangler to handle conversion operators correctly"
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
2014-06-18 15:37 ` [Bug c++/17066] " andre.poenitz at digia dot com
@ 2014-06-18 15:44 ` palves at redhat dot com
2014-06-18 15:46 ` palves at redhat dot com
` (9 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: palves at redhat dot com @ 2014-06-18 15:44 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |palves at redhat dot com
Summary|GDB demeangler crashes |GDB demangler crashes
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
2014-06-18 15:37 ` [Bug c++/17066] " andre.poenitz at digia dot com
2014-06-18 15:44 ` [Bug c++/17066] GDB demangler crashes palves at redhat dot com
@ 2014-06-18 15:46 ` palves at redhat dot com
2014-06-18 15:49 ` gbenson at redhat dot com
` (8 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: palves at redhat dot com @ 2014-06-18 15:46 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
This should fix it then:
https://gcc.gnu.org/ml/gcc-patches/2014-05/msg02279.html
I haven't managed to get back to that yet...
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
` (2 preceding siblings ...)
2014-06-18 15:46 ` palves at redhat dot com
@ 2014-06-18 15:49 ` gbenson at redhat dot com
2014-06-18 15:53 ` andre.poenitz at digia dot com
` (7 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: gbenson at redhat dot com @ 2014-06-18 15:49 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
Gary Benson <gbenson at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |gbenson at redhat dot com
--- Comment #3 from Gary Benson <gbenson at redhat dot com> ---
Oh, I thought that was all done and committed.
In any event, I can confirm the crash with latest git gdb.
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
` (3 preceding siblings ...)
2014-06-18 15:49 ` gbenson at redhat dot com
@ 2014-06-18 15:53 ` andre.poenitz at digia dot com
2014-06-18 15:54 ` andre.poenitz at digia dot com
` (6 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: andre.poenitz at digia dot com @ 2014-06-18 15:53 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
Andre' <andre.poenitz at digia dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ccoutant at google dot com
--- Comment #4 from Andre' <andre.poenitz at digia dot com> ---
For me as well. Thanks.
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
` (4 preceding siblings ...)
2014-06-18 15:53 ` andre.poenitz at digia dot com
@ 2014-06-18 15:54 ` andre.poenitz at digia dot com
2014-06-18 16:02 ` orgads at gmail dot com
` (5 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: andre.poenitz at digia dot com @ 2014-06-18 15:54 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
--- Comment #5 from Andre' <andre.poenitz at digia dot com> ---
What I wanted to say: I can confirm the patch fixes the crash.
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
` (5 preceding siblings ...)
2014-06-18 15:54 ` andre.poenitz at digia dot com
@ 2014-06-18 16:02 ` orgads at gmail dot com
2014-07-15 8:43 ` gbenson at redhat dot com
` (4 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: orgads at gmail dot com @ 2014-06-18 16:02 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
Orgad Shaneh <orgads at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |orgads at gmail dot com
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
` (6 preceding siblings ...)
2014-06-18 16:02 ` orgads at gmail dot com
@ 2014-07-15 8:43 ` gbenson at redhat dot com
2014-07-15 9:31 ` palves at redhat dot com
` (3 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: gbenson at redhat dot com @ 2014-07-15 8:43 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
--- Comment #6 from Gary Benson <gbenson at redhat dot com> ---
Pedro, did you commit this patch now?
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
` (7 preceding siblings ...)
2014-07-15 8:43 ` gbenson at redhat dot com
@ 2014-07-15 9:31 ` palves at redhat dot com
2014-07-15 12:02 ` gbenson at redhat dot com
` (2 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: palves at redhat dot com @ 2014-07-15 9:31 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
--- Comment #7 from Pedro Alves <palves at redhat dot com> ---
It's not just "committing", Jason's comment needs to be addressed somehow:
https://gcc.gnu.org/ml/gcc-patches/2014-06/msg00084.html
My inclination is that no, we can't fix that without special casing, but
really I haven't had time to think through that yet.
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
` (8 preceding siblings ...)
2014-07-15 9:31 ` palves at redhat dot com
@ 2014-07-15 12:02 ` gbenson at redhat dot com
2015-03-16 23:35 ` kenton at sandstorm dot io
2015-06-30 9:32 ` pageexec at gmail dot com
11 siblings, 0 replies; 13+ messages in thread
From: gbenson at redhat dot com @ 2014-07-15 12:02 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
--- Comment #8 from Gary Benson <gbenson at redhat dot com> ---
Ok, thanks for clarifying.
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
` (9 preceding siblings ...)
2014-07-15 12:02 ` gbenson at redhat dot com
@ 2015-03-16 23:35 ` kenton at sandstorm dot io
2015-06-30 9:32 ` pageexec at gmail dot com
11 siblings, 0 replies; 13+ messages in thread
From: kenton at sandstorm dot io @ 2015-03-16 23:35 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
Kenton Varda <kenton at sandstorm dot io> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kenton at sandstorm dot io
--- Comment #9 from Kenton Varda <kenton at sandstorm dot io> ---
FWIW, this bug means that anything using Cap'n Proto RPC
(https://capnproto.org) segfaults GDB. It can be worked around using "set
demangle-style none", but few people encountering this problem know to try
that.
https://github.com/sandstorm-io/capnproto/issues/191
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* [Bug c++/17066] GDB demangler crashes
2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
` (10 preceding siblings ...)
2015-03-16 23:35 ` kenton at sandstorm dot io
@ 2015-06-30 9:32 ` pageexec at gmail dot com
11 siblings, 0 replies; 13+ messages in thread
From: pageexec at gmail dot com @ 2015-06-30 9:32 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=17066
PaX Team <pageexec at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |pageexec at gmail dot com
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2014-06-18 14:43 [Bug c++/17066] New: GDB demeangler crashes andre.poenitz at digia dot com
2014-06-18 15:37 ` [Bug c++/17066] " andre.poenitz at digia dot com
2014-06-18 15:44 ` [Bug c++/17066] GDB demangler crashes palves at redhat dot com
2014-06-18 15:46 ` palves at redhat dot com
2014-06-18 15:49 ` gbenson at redhat dot com
2014-06-18 15:53 ` andre.poenitz at digia dot com
2014-06-18 15:54 ` andre.poenitz at digia dot com
2014-06-18 16:02 ` orgads at gmail dot com
2014-07-15 8:43 ` gbenson at redhat dot com
2014-07-15 9:31 ` palves at redhat dot com
2014-07-15 12:02 ` gbenson at redhat dot com
2015-03-16 23:35 ` kenton at sandstorm dot io
2015-06-30 9:32 ` pageexec at gmail dot com
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