Backtrace is more readable now, erase comes from resize it seems.
#0 0x0000fffff7e4f620 in
OpenSP::NCVector<OpenSP::Owner<OpenJade_DSSSL::Expression> >::erase
(this=0xffffffffe0c8, p1=0xaaaaab46eaf0, p2=0xaaaaab46eb00)
at /usr/include/OpenSP/Vector.cxx:132
#1 0x0000fffff7e4e0e4 in
OpenSP::NCVector<OpenSP::Owner<OpenJade_DSSSL::Expression> >::resize
(this=0xffffffffe0c8, n=1) at /usr/include/OpenSP/Vector.h:29
#2 0x0000fffff7ec9ee0 in OpenJade_DSSSL::SchemeParser::parseExpression
(this=0xffffffffe538, allowed=16, expr=..., key=@0xffffffffe1cc:
OpenJade_DSSSL::Identifier::notKey,
tok=@0xffffffffe1c8: OpenJade_DSSSL::SchemeParser::tokenCloseParen) at
SchemeParser.cxx:1004
#3 0x0000fffff7ec9e8c in OpenJade_DSSSL::SchemeParser::parseExpression
(this=0xffffffffe538, allowed=0, expr=..., key=@0xffffffffe1cc:
OpenJade_DSSSL::Identifier::notKey,
tok=@0xffffffffe1c8: OpenJade_DSSSL::SchemeParser::tokenCloseParen) at
SchemeParser.cxx:1001
#4 0x0000fffff7eccdd0 in OpenJade_DSSSL::SchemeParser::parseBegin
(this=0xffffffffe538, expr=...) at SchemeParser.cxx:1551
#5 0x0000fffff7eccc54 in OpenJade_DSSSL::SchemeParser::parseBody
(this=0xffffffffe538, expr=...) at SchemeParser.cxx:1539
#6 0x0000fffff7ec92c8 in OpenJade_DSSSL::SchemeParser::parseDefine
(this=0xffffffffe538, ident=@0xffffffffe3d8: 0xaaaaab4827f0, expr=...) at
SchemeParser.cxx:861
#7 0x0000fffff7ec8ed0 in OpenJade_DSSSL::SchemeParser::doDefine
(this=0xffffffffe538) at SchemeParser.cxx:814
#8 0x0000fffff7ec5f98 in OpenJade_DSSSL::SchemeParser::parse
(this=0xffffffffe538) at SchemeParser.cxx:172
#9 0x0000fffff7e9b2d8 in OpenJade_DSSSL::Interpreter::installBuiltins
(this=0xaaaaaacf1b50) at Interpreter.cxx:2093
#10 0x0000fffff7e93448 in OpenJade_DSSSL::Interpreter::Interpreter
(this=0xaaaaaacf1b50, groveManager=0xffffffffed00, messenger=0xffffffffea50,
unitsPerInch=72000, debugMode=false,
dsssl2=false, style=true, strictMode=false, fotbDescr=...) at
Interpreter.cxx:162
#11 0x0000fffff7edb1b8 in OpenJade_DSSSL::StyleEngine::parseSpec
(this=0xaaaaaabdae80, specParser=..., charset=..., id=..., mgr=...,
defVars=...) at StyleEngine.cxx:85
#12 0x0000fffff7e2f784 in OpenJade_DSSSL::DssslApp::processSysid
(this=0xffffffffea48, sysid=...) at DssslApp.cxx:138
#13 0x0000fffff7aaa9c8 in OpenSP::EntityApp::processArguments(int, char**) ()
from /lib/libosp.so.5
#14 0x0000fffff7a9add4 in OpenSP::CmdLineApp::run(int, char**) () from
/lib/libosp.so.5
Also the line number is now correct on the access of pointer p and its
destructor call:
line 132 is:
((X *)p)->~X();
(gdb) p p
$1 = (const OpenSP::Owner<OpenJade_DSSSL::Expression> *) 0xaaaaab46eb00
Also the passed pointers are intact:
(gdb) p p1
$6 = (const OpenSP::Owner<OpenJade_DSSSL::Expression> *) 0xaaaaab46eaf0
(gdb) p p2
$7 = (const OpenSP::Owner<OpenJade_DSSSL::Expression> *) 0xaaaaab46eb00
The pointers indicate that we are at p2 already.
And that is odd compared to p1.
(gdb) p *p1
$9 = {_vptr.Owner = 0xfffff7f8a040 <vtable for
OpenSP::Owner<OpenJade_DSSSL::Expression>+16>, p_ = 0x0}
(gdb) p *p2
$10 = {_vptr.Owner = 0x6c00000063, p_ = 0x1d1}
See how the _vptr.Owner has no reasonable type.
(gdb) ptype T
type = class OpenSP::Owner<OpenJade_DSSSL::Expression> [with T =
OpenJade_DSSSL::Expression] {
private:
T *p_;
public:
Owner(void);
Owner(T *);
private:
Owner(const OpenSP::Owner<T> &);
public:
~Owner();
void operator=(T *);
private:
void operator=(const OpenSP::Owner<T> &);
public:
operator int(void) const;
T * pointer(void) const;
T * operator->(void) const;
T & operator*(void) const;
void swap(OpenSP::Owner<T> &);
T * extract(void);
void clear(void);
private:
void del(void);
}
So the question is "why is p2 not a proper
OpenSP::Owner<OpenJade_DSSSL::Expression object"
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https://bugs.launchpad.net/bugs/1869734
Title:
openjade segfaults on arm (due to gcc optimization)
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