Bug 21754

Summary:	pdftotext crashed with signal 24 in Lexer::lookChar()
Product:	poppler	Reporter:	Pedro Villavicencio <pvillavi>
Component:	general	Assignee:	poppler-bugs <poppler-bugs>
Status:	RESOLVED WORKSFORME	QA Contact:
Severity:	critical
Priority:	medium
Version:	unspecified
Hardware:	x86 (IA32)
OS:	Linux (All)
URL:	https://bugs.edge.launchpad.net/ubuntu/+source/poppler/+bug/376799
Whiteboard:
i915 platform:		i915 features:

Description Pedro Villavicencio 2009-05-15 11:59:58 UTC

this report has been filed here:

https://bugs.edge.launchpad.net/ubuntu/+source/poppler/+bug/376799

"
Here is the minimal command to reproduce the crash:

  pdftotext -q nopgbrk 2001_these_mezouar.pdf

Without the "-q nopgbrk" the crash does not happen.
"

File:

http://launchpadlibrarian.net/26748206/2001_these_mezouar.pdf

Stacktrace:

"#0  0x41685e84 in Lexer::lookChar (this=<value optimized out>) at Lexer.cc:148
No locals.
#1  0x41686762 in Lexer::getObj (this=<value optimized out>, 
    obj=<value optimized out>, objNum=<value optimized out>) at Lexer.cc:193
	p = <value optimized out>
	c = <value optimized out>
	c2 = <value optimized out>
	comment = <value optimized out>
	neg = <value optimized out>
	done = <value optimized out>
	numParen = <value optimized out>
	xi = <value optimized out>
	xf = <value optimized out>
	scale = <value optimized out>
	s = <value optimized out>
	n = <value optimized out>
	m = <value optimized out>
#2  0x41694727 in Parser::shift (this=<value optimized out>, objNum=)
    at Parser.cc:250
No locals.
#3  0x41694b3a in Parser::getObj (this=<value optimized out>, 
    obj=<value optimized out>, fileKey=<value optimized out>, 
    encAlgorithm=<value optimized out>, keyLength=<value optimized out>, 
    objNum=<value optimized out>, objGen=<value optimized out>)
    at Parser.cc:156
	key = <value optimized out>
	str = <value optimized out>
	obj2 = $2 = -99
.
Thread 1 (process 8628):
#0  0x41685e84 in Lexer::lookChar (this=<value optimized out>) at Lexer.cc:148
No locals.
#1  0x41686762 in Lexer::getObj (this=<value optimized out>, 
    obj=<value optimized out>, objNum=<value optimized out>) at Lexer.cc:193
	p = <value optimized out>
	c = <value optimized out>
	c2 = <value optimized out>
	comment = <value optimized out>
	neg = <value optimized out>
	done = <value optimized out>
	numParen = <value optimized out>
	xi = <value optimized out>
	xf = <value optimized out>
	scale = <value optimized out>
	s = <value optimized out>
	n = <value optimized out>
	m = <value optimized out>
#2  0x41694727 in Parser::shift (this=<value optimized out>, objNum=)
    at Parser.cc:250
No locals.
#3  0x41694b3a in Parser::getObj (this=<value optimized out>, 
    obj=<value optimized out>, fileKey=<value optimized out>, 
    encAlgorithm=<value optimized out>, keyLength=<value optimized out>, 
    objNum=<value optimized out>, objGen=<value optimized out>)
    at Parser.cc:156
	key = <value optimized out>
	str = <value optimized out>
	obj2 = $3 = -99
"

Comment 1 Albert Astals Cid 2009-05-15 14:57:27 UTC

Can't reproduce any crash with poppler 0.10.6.

Can you reproduce it with a debug build and give a bit more of info? Maybe even run valgrind on it? Actually at  Lexer.cc:148 there's no code at all

Comment 2 Albert Astals Cid 2010-08-22 14:09:27 UTC

No answer in a year. If it still crashes for you please reopen the bug.

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