Bug 2415768

Summary: [abrt] xorg-x11-server-Xorg: vncHooksMoveCursor(): Xorg killed by SIGSEGV
Product: [Fedora] Fedora Reporter: Joao Carlos Mendes Luis <jonny>
Component: tigervncAssignee: Adam Jackson <ajax>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: unspecified    
Version: 42CC: ajax, jexposit, jgrulich, jonny, ofourdan, rstrode, xgl-maint
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
URL: https://retrace.fedoraproject.org/faf/reports/bthash/5a799dbf86d05318bd660aebb9fd68be5760f3a
Whiteboard: abrt_hash:1a75b9345ce590c21c634fb21fe4fa949ca12de0;VARIANT_ID=xfce;
Fixed In Version: tigervnc-1.16.0-2.fc43 tigervnc-1.16.0-2.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-02-19 01:12:04 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: dso_list
none
File: open_fds
none
File: os_info
none
File: mountinfo
none
File: environ
none
File: backtrace
none
File: limits
none
File: cpuinfo
none
File: exploitable
none
File: maps
none
File: core_backtrace
none
File: proc_pid_status none

Description Joao Carlos Mendes Luis 2025-11-18 22:18:30 UTC 
Description of problem:
AGAIN, libvnc causing problems.  PLEASE help.

I offer my time and skills to help debug.  Contact me privately or in this report.

Version-Release number of selected component:
xorg-x11-server-Xorg-21.1.18-1.fc42

Additional info:
reporter:       libreport-2.17.15
crash_function: vncHooksMoveCursor
cgroup:         0::/system.slice/lightdm.service
backtrace_rating: 4
package:        xorg-x11-server-Xorg-21.1.18-1.fc42
runlevel:       N 5
journald_cursor: s=a78c664d9fe34b2da2768ad43d83700c;i=2994549;b=e04b08e6b51e4d69a71767df078d1a32;m=138591f020;t=643e5c7e4c223;x=15231b3ae2b803a7
reason:         Xorg killed by SIGSEGV
executable:     /usr/libexec/Xorg
rootdir:        /
kernel:         6.17.7-200.fc42.x86_64
cmdline:        /usr/libexec/Xorg -core -noreset :0 -seat seat0 -auth /run/lightdm/root/:0 -listen tcp vt1 -novtswitch
uid:            0
type:           CCpp

Truncated backtrace:
Thread no. 7 (1 frames)
 #0 vncHooksMoveCursor at ../../include/privates.h:164


Potential duplicate: bug 2356978
Comment 1 Joao Carlos Mendes Luis 2025-11-18 22:18:34 UTC 
Created attachment 2115092 [details]
File: dso_list
Comment 2 Joao Carlos Mendes Luis 2025-11-18 22:18:36 UTC 
Created attachment 2115093 [details]
File: open_fds
Comment 3 Joao Carlos Mendes Luis 2025-11-18 22:18:37 UTC 
Created attachment 2115094 [details]
File: os_info
Comment 4 Joao Carlos Mendes Luis 2025-11-18 22:18:38 UTC 
Created attachment 2115095 [details]
File: mountinfo
Comment 5 Joao Carlos Mendes Luis 2025-11-18 22:18:40 UTC 
Created attachment 2115096 [details]
File: environ
Comment 6 Joao Carlos Mendes Luis 2025-11-18 22:18:41 UTC 
Created attachment 2115097 [details]
File: backtrace
Comment 7 Joao Carlos Mendes Luis 2025-11-18 22:18:43 UTC 
Created attachment 2115098 [details]
File: limits
Comment 8 Joao Carlos Mendes Luis 2025-11-18 22:18:44 UTC 
Created attachment 2115099 [details]
File: cpuinfo
Comment 9 Joao Carlos Mendes Luis 2025-11-18 22:18:46 UTC 
Created attachment 2115100 [details]
File: exploitable
Comment 10 Joao Carlos Mendes Luis 2025-11-18 22:18:47 UTC 
Created attachment 2115101 [details]
File: maps
Comment 11 Joao Carlos Mendes Luis 2025-11-18 22:18:49 UTC 
Created attachment 2115102 [details]
File: core_backtrace
Comment 12 Joao Carlos Mendes Luis 2025-11-18 22:18:50 UTC 
Created attachment 2115103 [details]
File: proc_pid_status
Comment 13 Joao Carlos Mendes Luis 2025-11-18 22:54:44 UTC 
See Bug 2397697
Comment 14 Fedora Update System 2026-02-10 07:45:20 UTC 
FEDORA-2026-ecd6497813 (tigervnc-1.16.0-2.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-ecd6497813
Comment 15 Fedora Update System 2026-02-10 07:45:20 UTC 
FEDORA-2026-1ba9a9facd (tigervnc-1.16.0-2.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-1ba9a9facd
Comment 16 Fedora Update System 2026-02-11 01:10:49 UTC 
FEDORA-2026-1ba9a9facd has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-1ba9a9facd`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-1ba9a9facd

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 17 Fedora Update System 2026-02-11 05:37:33 UTC 
FEDORA-2026-ecd6497813 has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-ecd6497813`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-ecd6497813

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 18 Fedora Update System 2026-02-19 01:12:04 UTC 
FEDORA-2026-1ba9a9facd (tigervnc-1.16.0-2.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.
Comment 19 Fedora Update System 2026-02-19 01:32:22 UTC 
FEDORA-2026-ecd6497813 (tigervnc-1.16.0-2.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.