This problem also affects the ports/archivers/rpm, which dumps core while trying to install ports/emulators/linux_base. If it's not fixed, we'd loose linux emulation and mose linux based applications from 5-CURRENT-DP1.
I reported this problem last week with: Message-Id: <[EMAIL PROTECTED]> Subject: problem with libz 1.1.4 when installing linux_base ports Date: Sat, 16 Mar 2002 16:21:35 +0900 From: Bruce Evans <[EMAIL PROTECTED]> Date: Mon, 18 Mar 2002 13:49:55 +1100 (EST) :: ::This bug affects everything that uses libz of course. It also breaks ::zgrep. Try "cd /home/ncvs/C*/*logs; zgrep foo *". :: ::On Sun, 17 Mar 2002, Bruce Evans wrote: :: ::> On Sun, 17 Mar 2002, I wrote: ::> ::> > That may be, but ispell is not man's best friend: ::> > ::> > $ man ispell ::> > Segmentation fault (core dumped) ::> > ::> > The bug seems to be in libz. Upgrading to the previous version of libz ::> > fixes it. ::> ::> The following patch (obtained from the upgrade) fixes "man ispell" ::> (but may break libz). ::> ::> %%% ::> Index: infcodes.c ::> =================================================================== ::> RCS file: /home/ncvs/src/lib/libz/infcodes.c,v ::> retrieving revision 1.3 ::> diff -u -2 -r1.3 infcodes.c ::> --- infcodes.c 11 Mar 2002 22:36:26 -0000 1.3 ::> +++ infcodes.c 17 Mar 2002 02:41:53 -0000 ::> @@ -201,5 +201,5 @@ ::> case COPY: /* o: copying bytes in window, waiting for space */ ::> f = q - c->sub.copy.dist; ::> - while (f < s->window) /* modulo window size-"while" instead */ ::> + if (f < s->window) /* modulo window size-"while" instead */ ::> f += s->end - s->window; /* of "if" handles invalid distances */ ::> while (c->len) ::> %%% ::> ::> The while loop caused some pointer to become invalid. I think the bug ::> is really in gcc. The register hildng 's' seemed to get clobbered to ::> (s->end - s->window) so 's' was invalid after 1 iteration. With an ::> "if" instead of a "while", gcc generates simpler code with line numbers ::> that are actually correct and without the register clobber. Compiling ::> the unpatched version with -O0 also unbreaks "man ispell". ::> ::> Bruce :: ::Bruce :: :: ::To Unsubscribe: send mail to [EMAIL PROTECTED] ::with "unsubscribe freebsd-current" in the body of the message :: :: Haro =------------------------------------------------------------------------------ _ _ Munehiro (haro) Matsuda -|- /_\ |_|_| Business Incubation Dept., Kubota Corp. /|\ |_| |_|_| 1-3 Nihonbashi-Muromachi 3-Chome Chuo-ku Tokyo 103-8310, Japan Tel: +81-3-3245-3318 Fax: +81-3-3245-3315 Email: [EMAIL PROTECTED] To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message
