------- Comment on attachment From fre...@de.ibm.com 2019-03-18 10:34 EDT-------
Here is an attempt to maybe fix the issue. Can you please apply this on top of the ibmca code, build and test ? Btw. some info about your crypto config would also help me to try to recreate this. Just an lszcrypt -V output would be fine. Thanks Harald Freudenberger ** Attachment added: "ibmca rework on error string init and exit" https://bugs.launchpad.net/bugs/1819487/+attachment/5247283/+files/0001-ibmca-rework-on-error-string-init-and-exit.patch -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/1819487 Title: sshd crashed on s390x with hw crypto enabled Status in Ubuntu on IBM z Systems: Triaged Status in openssh package in Ubuntu: New Bug description: While using today's daily image of disco (either in z/VM or on LPAR) and enabling s309x hardware crypto support in openssh, sshd crashes with the following messages: $ ssh ubuntu@localhost The authenticity of host 'localhost (::1)' can't be established. ECDSA key fingerprint is SHA256:KoTYC0jCQPtmsOMmBW9DrCiBbkrKTL0leQ/zoIaInNw. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'localhost' (ECDSA) to the list of known hosts. ubuntu@localhost's password: packet_write_wait: Connection to ::1 port 22: Broken pipe (local session is sufficient to reproduce) Steps to reproduce - on disco daily: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu Disco Dingo (development branch) Release: 19.04 Codename: disco $ uname -a Linux zlin42 5.0.0-7-generic #8-Ubuntu SMP Mon Mar 4 16:25:21 UTC 2019 s390x s390x s390x GNU/Linux - enable z hw crypto support for openssh on an Ubuntu host (zlin42) on s390x like this: - sudo apt-get install openssl-ibmca libica-utils libica3 - sudo tee -a /etc/ssl/openssl.cnf < /usr/share/doc/openssl-ibmca/examples/openssl.cnf.sample - sudo sed -i 's/^\(openssl_conf = openssl_def.*$\)/# \1/g' /etc/ssl/openssl.cnf - sudo sed -i '10i openssl_conf = openssl_def' /etc/ssl/openssl.cnf - afterwards ssh login attempts fail (existing session are unaffected): $ ssh ubuntu@localhost The authenticity of host 'localhost (::1)' can't be established. ECDSA key fingerprint is SHA256:KoTYC0jCQPtmsOMmBW9DrCiBbkrKTL0leQ/zoIaInNw. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'localhost' (ECDSA) to the list of known hosts. ubuntu@localhost's password: packet_write_wait: Connection to ::1 port 22: Broken pipe [94629.032586] User process fault: interruption code 003b ilc:2 in libpthread-2.29.so[3ff7d480000+1c000] [94629.032597] Failing address: 0000000000000000 TEID: 0000000000000800 [94629.032598] Fault in primary space mode while using user ASCE. [94629.032601] AS:00000007450281c7 R3:0000000000000024 [94629.032606] CPU: 0 PID: 8183 Comm: sshd Not tainted 5.0.0-7-generic #8-Ubuntu [94629.032607] Hardware name: IBM 2964 N63 400 (LPAR) [94629.032608] User PSW : 0705200180000000 000003ff7d48e954 [94629.032610] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:1 AS:0 CC:2 PM:0 RI:0 EA:3 [94629.032611] User GPRS: 0000000000000000 0000000000000000 0000000000000000 000003ff7e0085c8 [94629.032612] 000003ff7e510108 000003ff7db1c3a8 0000000000000000 000003fff857eea0 [94629.032613] 000003ff7e525040 000002aa3f5ec090 000003ff7e4916f0 000003ff7e4921a8 [94629.032614] 000003ff7db17c18 0000000000000002 000003ff7e07238a 000003fff857ea20 [94629.032622] User Code: 000003ff7d48e946: b9040012 lgr %r1,%r2 000003ff7d48e94a: e3f0ff60ff71 lay %r15,-160(%r15) #000003ff7d48e950: 47000000 bc 0,0 >000003ff7d48e954: 58202018 l %r2,24(%r2) 000003ff7d48e958: b24f00b0 ear %r11,%a0 000003ff7d48e95c: ebbb0020000d sllg %r11,%r11,32 000003ff7d48e962: b24f00b1 ear %r11,%a1 000003ff7d48e966: 5920b0d0 c %r2,208(%r11) [94629.032634] Last Breaking-Event-Address: [94629.032638] [<000003ff7df773b4>] 0x3ff7df773b4 For more details see attachments ... --- ProblemType: Bug ApportVersion: 2.20.10-0ubuntu23 Architecture: s390x DistroRelease: Ubuntu 19.04 Package: openssh-server 1:7.9p1-9 PackageArchitecture: s390x ProcVersionSignature: Ubuntu 5.0.0-7.8-generic 5.0.0 SSHDConfig: Error: command ['/usr/sbin/sshd', '-T'] failed with exit code -11: Tags: disco Uname: Linux 5.0.0-7-generic s390x UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: pkcs11 _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1819487/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
