Date: Wed, 9 May 2007 15:06:02 -0400 From: Thomas Dickey <dickey@radix.net> To: freebsd-current@freebsd.org Subject: Re: yacc(1) causes a fault -- "fault VA = 0xa5a5a5b1" Message-ID: <20070509190602.GA647@saltmine.radix.net> In-Reply-To: <20070509185324.GB30662@dan.emsphone.com> References: <20070509185905.GA29365@FreeBSD.czest.pl> <464213F4.5030704@samsco.org> <20070509185324.GB30662@dan.emsphone.com>
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[-- Attachment #1 --] On Wed, May 09, 2007 at 01:53:25PM -0500, Dan Nelson wrote: > In the last episode (May 09), Scott Long said: > > Wojciech A. Koszek wrote: > > > Hi, > > > I have a file: > > > http://people.freebsd.org/~wkoszek/traces/grammar.y ... > actually a "use-before-set". I can get it to core on 6.x too by > setting MALLOC_OPTIONS=J. valgrind (with MALLOC_OPTIONS=j) says: fwiw, http://invisible-island.net/byacc/ does not appear to exhibit this defect. > ==52609== Conditional jump or move depends on uninitialised value(s) > ==52609== at 0x8052B40: end_rule (reader.c:1260) > ==52609== by 0x805393C: read_grammar (reader.c:1621) > ==52609== by 0x80546C4: reader (reader.c:1926) > ==52609== by 0x804C3DB: main (main.c:434) -- Thomas E. Dickey http://invisible-island.net ftp://invisible-island.net [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (SunOS) Comment: For info see http://www.gnupg.org iD8DBQFGQhuYtIqByHxlDocRAkjBAJ9TlxCGmNXQQQaetNPm2HAjy79ZRwCeMaDD diCEduMKu7EBIMJplUOZG5c= =vMnh -----END PGP SIGNATURE-----
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