From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Newsgroups: gmane.lisp.guile.bugs Subject: bug#60487: string-ref segfaults with n < 0 on Guile 3.0.8 Date: Mon, 16 Jan 2023 23:15:31 +0100 Message-ID: <877cxmktx8.fsf@gnu.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11732"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) Cc: 60487-done@debbugs.gnu.org To: festerdam@posteo.net Original-X-From: bug-guile-bounces+guile-bugs=m.gmane-mx.org@gnu.org Mon Jan 16 23:16:30 2023 Return-path: Envelope-to: guile-bugs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pHXmH-0002rq-J4 for guile-bugs@m.gmane-mx.org; Mon, 16 Jan 2023 23:16:29 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pHXlt-0006ir-CW; Mon, 16 Jan 2023 17:16:05 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHXls-0006id-0y for bug-guile@gnu.org; Mon, 16 Jan 2023 17:16:04 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pHXlr-0006W1-9Y for bug-guile@gnu.org; Mon, 16 Jan 2023 17:16:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pHXlq-0003Sh-PI for bug-guile@gnu.org; Mon, 16 Jan 2023 17:16:02 -0500 Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-To: bug-guile@gnu.org Resent-Date: Mon, 16 Jan 2023 22:16:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 60487 X-GNU-PR-Package: guile Mail-Followup-To: 60487@debbugs.gnu.org, ludo@gnu.org, festerdam@posteo.net Original-Received: via spool by 60487-done@debbugs.gnu.org id=D60487.167390734713268 (code D ref 60487); Mon, 16 Jan 2023 22:16:02 +0000 Original-Received: (at 60487-done) by debbugs.gnu.org; 16 Jan 2023 22:15:47 +0000 Original-Received: from localhost ([127.0.0.1]:35137 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pHXla-0003Rv-HL for submit@debbugs.gnu.org; Mon, 16 Jan 2023 17:15:46 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:50136) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pHXlV-0003Rc-G0 for 60487-done@debbugs.gnu.org; Mon, 16 Jan 2023 17:15:45 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHXlP-0006SC-HT; Mon, 16 Jan 2023 17:15:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=vHtklc+/sKOn++2G9jqIKTfJ6Qm5bBnakaV0MZir5IE=; b=hrKJ2S2QfzvLfU5OY5PL RqzT7Wl1M/7Mt+JblOBmtC144KLl7gv0Lh8IhRGnE19I8nx7Q3MHO30cY0QnuTFxyHrLeEeQNDT0q 5DgzjvZzz1TUfma81H9+ww9X8JbnnigXkS4W4wmAzOPBcwNEdHutiyO9lKrzALrwMe11Xi7/sDdi1 gNpuHN0DsgoqscTOTmUc8pgJ0PlloaJWbZzji1Yj6qb30ph+NQSYHewt6g64ysInNdo+E6aRMDziL rcYyKrhM/KbiUNZm19RUF14W2syuN+epdOiaGZsyfckMZR1KOUM8forlaw0U6n9S0HOZSH9ScHhvT SMXmO3Jwu9oZmw==; Original-Received: from 91-160-117-201.subs.proxad.net ([91.160.117.201] helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHXlO-0006kd-Ev; Mon, 16 Jan 2023 17:15:35 -0500 In-Reply-To: (festerdam@posteo.net's message of "Mon, 02 Jan 2023 04:12:33 +0000") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane-mx.org@gnu.org Original-Sender: bug-guile-bounces+guile-bugs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.lisp.guile.bugs:10520 Archived-At: Hi, festerdam@posteo.net skribis: > The following code results in a segmentation fault on Guile > 3.0.8-deb+3.0.8-2 (obtained from the Debian repositories): > (string-ref "my string" -3) I can reproduce it with 3.0.8, where I get this backtrace: --8<---------------cut here---------------start------------->8--- scheme@(guile-user)> (string-ref "my string" -3) Thread 1 "guile" received signal SIGSEGV, Segmentation fault. 0x00007ffff7f419d9 in scm_is_values (x=3D) at values.h:30 30 values.h: No such file or directory. (gdb) bt #0 0x00007ffff7f419d9 in scm_is_values (x=3D) at values.h:30 #1 vm_debug_engine (thread=3D0x7ffff75c1d80) at vm-engine.c:974 #2 0x00007ffff7f4c5d9 in scm_call_n (proc=3D, argv=3D, nargs=3D5) at vm.c:1610 #3 0x00007ffff7eb8571 in scm_apply_0 (proc=3D#, args= =3D()) at eval.c:603 #4 0x00007ffff7f3dc8d in scm_throw (key=3Dout-of-range,=20 args=3D0x7ffff2bb2c30) at throw.c:262 #5 0x00007ffff7f3dca9 in scm_ithrow (key=3D, args=3D,=20 no_return=3D) at throw.c:457 #6 0x00007ffff7eb5245 in scm_error_scm (key=3Dkey@entry=3Dout-of-range, su= br=3D,=20 message=3Dmessage@entry=3D"Value out of range ~S to< ~S: ~S",=20 args=3Dargs@entry=3D0x7ffff2bb2c70, data=3Ddata@entry=3D(4611686018427387901))= at error.c:90 #7 0x00007ffff7eb52a0 in scm_error (key=3Dout-of-range, subr=3D0x0, messag= e=3D,=20 args=3D0x7ffff2bb2c70,=20 rest=3D(4611686018427387901)) at error.c:62 #8 0x00007ffff7f02dd7 in range_error (bad_val=3Dbad_val@entry=3D4611686018= 427387901,=20 min=3Dmin@entry=3D0x0,=20 max=3D#) at numbers.c:6611 #9 0x00007ffff7f04dfb in scm_to_uint64 (arg=3D4611686018427387901) at inte= gers.c:259 #10 0x00007ffff7f42215 in vm_debug_engine (thread=3D0x7ffff75c1d80) at vm-e= ngine.c:1533 #11 0x00007ffff7f4c5d9 in scm_call_n (proc=3D, argv=3D, nargs=3D1) at vm.c:1610 #12 0x00007ffff7eb4457 in scm_primitive_eval (exp=3D,=20 exp@entry=3D((@ (ice-9 control) %) (begin (load-user-init) ((@ (ice-9 t= op-repl) top-repl))))) at eval.c:671 #13 0x00007ffff7eba4b6 in scm_eval ( exp=3D((@ (ice-9 control) %) (begin (load-user-init) ((@ (ice-9 top-rep= l) top-repl)))),=20 module_or_state=3D"#" =3D {...}) at eval.c:705 #14 0x00007ffff7f1e3b6 in scm_shell (argc=3D1, argv=3D0x7fffffffd058) at sc= ript.c:357 --8<---------------cut here---------------end--------------->8--- Fortunately, this was fixed recently in c0004442b7691f59a0e37869ef288eb26382ad9e. Thanks! Ludo=E2=80=99.