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Bug 1284478

Summary: SIGILL with openssl -> libcrypto.so.10
Product: [Fedora] Fedora Reporter: Thomas Spura <tomspur>
Component: opensslAssignee: Tomas Mraz <tmraz>
Status: CLOSED NOTABUG QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 23CC: tmraz
Target Milestone: ---   
Target Release: ---   
Hardware: armv7l   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-11-23 13:08:40 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 245418, 1181559    

Description Thomas Spura 2015-11-23 12:50:06 UTC 
Description of problem:
Illegal instruction when using openssl (originally triggered in scipy test suite in bug #1181559)

Version-Release number of selected component (if applicable):
$ rpm -qf /lib/libcrypto.so.10
openssl-libs-1.0.2d-2.fc23.armv7hl


How reproducible:
Always. Run openssl in gdb


Steps to Reproduce:
1. $ gdb openssl
GNU gdb (GDB) Fedora 7.10-29.fc23
Copyright (C) 2015 Free Software Foundation, Inc.
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Reading symbols from openssl...Reading symbols from /home/fedora/tomspur/openssl...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Missing separate debuginfos, use: dnf debuginfo-install openssl-1.0.2d-2.fc23.armv7hl
(gdb) r
Starting program: /usr/bin/openssl 
Cannot parse expression `.L967 4@r4'.
warning: Probes-based dynamic linker interface failed.
Reverting to original interface.

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".

Program received signal SIGILL, Illegal instruction.
0xb6c8abe8 in _armv7_tick () from /lib/libcrypto.so.10
(gdb) bt full
#0  0xb6c8abe8 in _armv7_tick () from /lib/libcrypto.so.10
No symbol table info available.
#1  0xb6c86f9c in OPENSSL_cpuid_setup () from /lib/libcrypto.so.10
No symbol table info available.
#2  0xb6fdf71c in call_init.part () from /lib/ld-linux-armhf.so.3
No symbol table info available.
#3  0xb6fdf880 in _dl_init () from /lib/ld-linux-armhf.so.3
No symbol table info available.
#4  0xb6fcfb04 in _dl_start_user () from /lib/ld-linux-armhf.so.3
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Actual results:
SIGILL

Expected results:
No SIGILL
Comment 1 Tomas Mraz 2015-11-23 13:08:40 UTC 
The instruction is used for detection of CPU features.

Just use 'handle SIGILL nostop noprint' in gdb.