Bug 2173437

Summary: [abrt] openssh-server: kex_assemble_names(): sshd killed by SIGSYS
Product: [Fedora] Fedora Reporter: Johannes Maybaum <gjm>
Component: opensshAssignee: Dmitry Belyavskiy <dbelyavs>
Status: CLOSED WORKSFORME QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 37CC: crypto-team, dbelyavs, dwalsh, jjelen, lkundrak, mattias.ellert, tm
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
URL: https://retrace.fedoraproject.org/faf/reports/bthash/60aa386bb17b5306bf5595c83b0f488c5145a626
Whiteboard: abrt_hash:3f61becf44292f5d4b6be35fb00d7e438a9be9e3;VARIANT_ID=workstation;
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-06-02 14:00:11 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
File: backtrace
none
File: core_backtrace
none
File: cpuinfo
none
File: dso_list
none
File: environ
none
File: limits
none
File: maps
none
File: open_fds
none
File: proc_pid_status none

Description Johannes Maybaum 2023-02-26 17:32:04 UTC 
Version-Release number of selected component:
openssh-server-8.8p1-7.fc37

Additional info:
reporter:       libreport-2.17.4
backtrace_rating: 4
cgroup:         0::/system.slice/sshd.service
cmdline:        $'sshd: [net]'
crash_function: kex_assemble_names
executable:     /usr/sbin/sshd
journald_cursor: s=beaa952267da46888638aa191813343e;i=28bf685;b=e9695a7e62f04dfea299557b0dd32dec;m=4a6728e6a;t=5f4eb26aa4464;x=62e37f1c7e6d29b8
kernel:         6.1.11-200.fc37.x86_64
mountinfo:      
rootdir:        /usr/share/empty.sshd
runlevel:       N 5
type:           CCpp
uid:            74

Truncated backtrace:
Thread no. 1 (8 frames)
 #5 kex_assemble_names at /usr/src/debug/openssh-8.8p1-7.fc37.x86_64/kex.c:356
 #6 assemble_algorithms.constprop.0 at /usr/src/debug/openssh-8.8p1-7.fc37.x86_64/servconf.c:246
 #7 copy_set_server_options.constprop.0 at /usr/src/debug/openssh-8.8p1-7.fc37.x86_64/servconf.c:2743
 #8 mm_getpwnamallow at /usr/src/debug/openssh-8.8p1-7.fc37.x86_64/monitor_wrap.c:336
 #9 input_userauth_request at /usr/src/debug/openssh-8.8p1-7.fc37.x86_64/auth2.c:293
 #10 ssh_dispatch_run at /usr/src/debug/openssh-8.8p1-7.fc37.x86_64/dispatch.c:113
 #11 ssh_dispatch_run_fatal at /usr/src/debug/openssh-8.8p1-7.fc37.x86_64/dispatch.c:133
 #12 do_authentication2 at /usr/src/debug/openssh-8.8p1-7.fc37.x86_64/auth2.c:178
Comment 1 Johannes Maybaum 2023-02-26 17:32:08 UTC 
Created attachment 1946597 [details]
File: backtrace
Comment 2 Johannes Maybaum 2023-02-26 17:32:09 UTC 
Created attachment 1946598 [details]
File: core_backtrace
Comment 3 Johannes Maybaum 2023-02-26 17:32:10 UTC 
Created attachment 1946599 [details]
File: cpuinfo
Comment 4 Johannes Maybaum 2023-02-26 17:32:12 UTC 
Created attachment 1946600 [details]
File: dso_list
Comment 5 Johannes Maybaum 2023-02-26 17:32:13 UTC 
Created attachment 1946601 [details]
File: environ
Comment 6 Johannes Maybaum 2023-02-26 17:32:14 UTC 
Created attachment 1946602 [details]
File: limits
Comment 7 Johannes Maybaum 2023-02-26 17:32:15 UTC 
Created attachment 1946603 [details]
File: maps
Comment 8 Johannes Maybaum 2023-02-26 17:32:17 UTC 
Created attachment 1946604 [details]
File: open_fds
Comment 9 Johannes Maybaum 2023-02-26 17:32:18 UTC 
Created attachment 1946605 [details]
File: proc_pid_status
Comment 10 Dmitry Belyavskiy 2023-04-14 11:45:55 UTC 
Could you please try the version I just pushed to test f37?
Comment 11 Dmitry Belyavskiy 2023-06-02 14:00:11 UTC 
I believe this bug is fixed.
Comment 12 Johannes Maybaum 2023-06-29 10:25:06 UTC 
(In reply to Dmitry Belyavskiy from comment #11)
> I believe this bug is fixed.

As I didn't see the problem again, I would assume this fixed it ;-) 

Johannes
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