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and subject line Bug#335912: fixed in openssl 0.9.8a-5
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From: Peter Palfrader <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: libssl0.9.8: reproducible segfault in bn_sub_words () at
bn_asm.sparc.v8plus.S
X-Mailer: reportbug 3.17
Date: Thu, 17 Nov 2005 00:04:48 +0100
Message-Id: <[EMAIL PROTECTED]>
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Package: libssl0.9.8
Version: 0.9.8a-4
Severity: normal
Hey,
on sparc64 the following snippet causes a segfault after a few
iterations (usually around i = 30).
#include <stdio.h>
#include <stdlib.h>
#include <openssl/dh.h>
#include <openssl/bn.h>
int main(int v, char **c)
{
int which=-1, i;
DH *dh;
if (v!=2 || ((which=atoi(c[1]))<1 || which > 2)) {
printf("I want 1 or 2 as an argument.\n");
return 1;
}
printf("Running test %d\n",which);
for (i=0; i < 10000; ++i) {
if (!(i%1000)) { printf("...%d\n",i); }
dh = DH_new();
dh->g = BN_new();
dh->p = get_rfc2409_prime_1024(NULL);
BN_set_word(dh->g, 2);
if (which == 2) {
dh->length = 320;
}
DH_generate_key(dh);
DH_free(dh);
}
return 0;
}
| maurice:/tmp/nick# ./a.out 1
| Running test 1
| ...0
| Segmentation fault
| maurice:/tmp/nick# ./a.out 2
| Running test 2
| ...0
| Segmentation fault
(gdb) bt
#0 bn_sub_words () at bn_asm.sparc.v8plus.S:555
#1 0x70228c20 in bn_sub_part_words (r=0x22b18, a=0x22930, b=0x22950, cl=7,
dl=1) at bn_mul.c:87
#2 0x7022981c in bn_mul_recursive (r=0x22c80, a=0x22828, b=0x22930, n2=16,
dna=0, dnb=-1, t=0x22af8) at bn_mul.c:437
#3 0x7022964c in bn_mul_recursive (r=0x22c00, a=0x227e8, b=0x228f0, n2=32,
dna=0, dnb=-1, t=0x229f8) at bn_mul.c:499
#4 0x7022a50c in BN_mul (r=0x21074, a=0x21038, b=0x2104c, ctx=0x20f50) at
bn_mul.c:1037
#5 0x70230a30 in BN_mod_mul_montgomery (r=0x21038, a=0x21038, b=0x2104c,
mont=0x20d38, ctx=0x20f50) at bn_mont.c:89
#6 0x70226cf8 in BN_mod_exp_mont_consttime (rr=0x20f38, a=Variable "a" is not
available.) at bn_exp.c:705
#7 0x7024a4c4 in generate_key (dh=0x21270) at dh_key.c:158
#8 0x7024a28c in DH_generate_key (dh=Variable "dh" is not available.) at
dh_key.c:76
#9 0x000108f4 in main (v=2, c=0xeffff974) at x.c:24
When rebuilding openssl with the no-asm switch all is fine.
--
Peter
---------------------------------------
Received: (at 335912-close) by bugs.debian.org; 13 Dec 2005 22:12:51 +0000
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From: Kurt Roeckx <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
X-Katie: $Revision: 1.60 $
Subject: Bug#335912: fixed in openssl 0.9.8a-5
Message-Id: <[EMAIL PROTECTED]>
Sender: Archive Administrator <[EMAIL PROTECTED]>
Date: Tue, 13 Dec 2005 14:03:20 -0800
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autolearn=no version=2.60-bugs.debian.org_2005_01_02
Source: openssl
Source-Version: 0.9.8a-5
We believe that the bug you reported is fixed in the latest version of
openssl, which is due to be installed in the Debian FTP archive:
libcrypto0.9.8-udeb_0.9.8a-5_i386.udeb
to pool/main/o/openssl/libcrypto0.9.8-udeb_0.9.8a-5_i386.udeb
libssl-dev_0.9.8a-5_i386.deb
to pool/main/o/openssl/libssl-dev_0.9.8a-5_i386.deb
libssl0.9.8-dbg_0.9.8a-5_i386.deb
to pool/main/o/openssl/libssl0.9.8-dbg_0.9.8a-5_i386.deb
libssl0.9.8_0.9.8a-5_i386.deb
to pool/main/o/openssl/libssl0.9.8_0.9.8a-5_i386.deb
openssl_0.9.8a-5.diff.gz
to pool/main/o/openssl/openssl_0.9.8a-5.diff.gz
openssl_0.9.8a-5.dsc
to pool/main/o/openssl/openssl_0.9.8a-5.dsc
openssl_0.9.8a-5_i386.deb
to pool/main/o/openssl/openssl_0.9.8a-5_i386.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Kurt Roeckx <[EMAIL PROTECTED]> (supplier of updated openssl package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Tue, 13 Dec 2005 21:37:42 +0100
Source: openssl
Binary: libssl-dev openssl libssl0.9.8-dbg libcrypto0.9.8-udeb libssl0.9.8
Architecture: source i386
Version: 0.9.8a-5
Distribution: unstable
Urgency: low
Maintainer: Debian OpenSSL Team <[EMAIL PROTECTED]>
Changed-By: Kurt Roeckx <[EMAIL PROTECTED]>
Description:
libcrypto0.9.8-udeb - crypto shared library - udeb (udeb)
libssl-dev - SSL development libraries, header files and documentation
libssl0.9.8 - SSL shared libraries
libssl0.9.8-dbg - Symbol tables for libssl and libcrypt
openssl - Secure Socket Layer (SSL) binary and related cryptographic tools
Closes: 335912
Changes:
openssl (0.9.8a-5) unstable; urgency=low
.
* Stop ssh from crashing randomly on sparc (Closes: #335912)
Patch from upstream cvs.
Files:
38acf6b949857fc1065a54f602a13c58 796 utils optional openssl_0.9.8a-5.dsc
286eeef9ae1171fd1627cf6856161bb2 32068 utils optional openssl_0.9.8a-5.diff.gz
6f9e96e0d3ff6987c9180ab2d4915ad5 977350 utils optional
openssl_0.9.8a-5_i386.deb
0f528931adfca02c5c852cb8f4c348c2 2645012 libs important
libssl0.9.8_0.9.8a-5_i386.deb
dad0712f421df14f181ad8b601406f74 508512 debian-installer optional
libcrypto0.9.8-udeb_0.9.8a-5_i386.udeb
3cf344948886b244e5973542b3c769b5 2836502 libdevel optional
libssl-dev_0.9.8a-5_i386.deb
6264e0a60184bd9aa57ab18525ed7d75 5164294 libdevel extra
libssl0.9.8-dbg_0.9.8a-5_i386.deb
Package-Type: udeb
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