Bug 2415768 - [abrt] xorg-x11-server-Xorg: vncHooksMoveCursor(): Xorg killed by SIGSEGV
Summary: [abrt] xorg-x11-server-Xorg: vncHooksMoveCursor(): Xorg killed by SIGSEGV
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: tigervnc
Version: 42
Hardware: x86_64
OS: Unspecified
unspecified
high
Target Milestone: ---
Assignee: Adam Jackson
QA Contact: Fedora Extras Quality Assurance
URL: https://retrace.fedoraproject.org/faf...
Whiteboard: abrt_hash:1a75b9345ce590c21c634fb21fe...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-11-18 22:18 UTC by Joao Carlos Mendes Luis
Modified: 2026-02-19 01:32 UTC (History)
7 users (show)

Fixed In Version: tigervnc-1.16.0-2.fc43 tigervnc-1.16.0-2.fc42
Clone Of:
Environment:
Last Closed: 2026-02-19 01:12:04 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)
File: dso_list (177 bytes, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: open_fds (20.36 KB, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: os_info (674 bytes, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: mountinfo (3.87 KB, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: environ (92 bytes, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: backtrace (212.47 KB, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: limits (1.29 KB, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: cpuinfo (3.66 KB, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: exploitable (81 bytes, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: maps (3.96 KB, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: core_backtrace (193.92 KB, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details
File: proc_pid_status (1.44 KB, text/plain)
2025-11-18 22:18 UTC, Joao Carlos Mendes Luis
no flags Details

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.


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