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clearlinux / clr-boot-manager

Kernel & Boot Loader Management
https://clearlinux.org/
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libvirtd netcat segfault #243

Closed iphands closed 4 years ago

iphands commented 4 years ago

Describe the bug Segfault in netcat when connecting to virsh from a remote system.

Unable to connect to libvirt qemu+ssh://root@hostname.lan/system.

To Reproduce Steps to reproduce the behavior:

  1. Open up virt-manager on remote
  2. Try to connect to clear linux host
  3. See segfault (faul on clear linux host)

Here is the backtrace from the core dumped on the clearlinux host

Core was generated by `nc -U /var/run/libvirt/libvirt-sock'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f2ce568c44a in __strlen_sse2 () from /usr/lib64/libc.so.6
(gdb) bt
#0  0x00007f2ce568c44a in __strlen_sse2 () from /usr/lib64/libc.so.6
#1  0x00007f2ce56799d4 in __GI___strdup (s=0x0) at strdup.c:41
#2  0x000055c7f27cfcd8 in nsock_iod_set_hostname (hostname=0x0, iod=0x55c7f436f270) at ../nsock/src/nsock_iod.c:453
#3  new_iod (mypool=<optimized out>) at ncat_connect.c:907
#4  0x000055c7f27cd535 in ncat_connect () at ncat_connect.c:1018
#5  ncat_connect_mode () at ncat_main.c:1020
#6  main (argc=<optimized out>, argv=<optimized out>) at ncat_main.c:997

Environment (please complete the following information):

Copyright © 2016-2018 Intel Corporation

clr-boot-manager is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.


 - Platform: [hardware infomation]

model name : Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz


** Block Devices:**

 - List of Block Devices: [lsblk -a --json]

{ "blockdevices": [ {"name":"loop0", "maj:min":"7:0", "rm":false, "size":null, "ro":false, "type":"loop", "mountpoint":null}, {"name":"loop1", "maj:min":"7:1", "rm":false, "size":null, "ro":false, "type":"loop", "mountpoint":null}, {"name":"loop2", "maj:min":"7:2", "rm":false, "size":null, "ro":false, "type":"loop", "mountpoint":null}, {"name":"loop3", "maj:min":"7:3", "rm":false, "size":null, "ro":false, "type":"loop", "mountpoint":null}, {"name":"loop4", "maj:min":"7:4", "rm":false, "size":null, "ro":false, "type":"loop", "mountpoint":null}, {"name":"loop5", "maj:min":"7:5", "rm":false, "size":null, "ro":false, "type":"loop", "mountpoint":null}, {"name":"loop6", "maj:min":"7:6", "rm":false, "size":null, "ro":false, "type":"loop", "mountpoint":null}, {"name":"loop7", "maj:min":"7:7", "rm":false, "size":null, "ro":false, "type":"loop", "mountpoint":null}, {"name":"sda", "maj:min":"8:0", "rm":false, "size":"1.8T", "ro":false, "type":"disk", "mountpoint":null, "children": [ {"name":"sda1", "maj:min":"8:1", "rm":false, "size":"142M", "ro":false, "type":"part", "mountpoint":null}, {"name":"sda2", "maj:min":"8:2", "rm":false, "size":"244M", "ro":false, "type":"part", "mountpoint":"[SWAP]"}, {"name":"sda3", "maj:min":"8:3", "rm":false, "size":"1.8T", "ro":false, "type":"part", "mountpoint":"/"} ] }, {"name":"sdb", "maj:min":"8:16", "rm":false, "size":"3.6T", "ro":false, "type":"disk", "mountpoint":"/main"}, {"name":"sdc", "maj:min":"8:32", "rm":false, "size":"3.6T", "ro":false, "type":"disk", "mountpoint":null}, {"name":"sdd", "maj:min":"8:48", "rm":false, "size":"3.6T", "ro":false, "type":"disk", "mountpoint":null}, {"name":"sde", "maj:min":"8:64", "rm":false, "size":"3.6T", "ro":false, "type":"disk", "mountpoint":null}, {"name":"sdf", "maj:min":"8:80", "rm":false, "size":"3.6T", "ro":false, "type":"disk", "mountpoint":null} ] }



**Additional context**
Add any other context about the problem here.
iphands commented 4 years ago

Shoot :( this is the wrong repo I think... is clearlinux/distribution the proper place?

iphands commented 4 years ago

Closing.... looks like its already open here: https://github.com/clearlinux/distribution/issues/2152