https://bugs.kde.org/show_bug.cgi?id=498630
Bug ID: 498630
Summary: Crash on Start on GrapheneOS
Classification: Applications
Product: gcompris
Version: unspecified
Platform: Android
OS: Unspecified
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: jaz...@gmail.com
Reporter: 07wtd...@tuta.com
Target Milestone: ---
Created attachment 177330
--> https://bugs.kde.org/attachment.cgi?id=177330&action=edit
Video of crash
SUMMARY
When attempting to open GCompris, a splash screen is seen for a second, then is
closed and returns to the apps launcher. GrapheneOS reports that memory tagging
reported an error in GCompris and that it attempted to perform dynamic code
loading via memory.
STEPS TO REPRODUCE
1. Tap "GCompris" from the apps tray.
2. GCompris opens to its splash screen.
3. Less than a second later, a notification that GCompris attempted DCL via
memory appears.
4. Less than a second later, a notification that memory tagging detected an
error in GCompris appears.
5. Less than a second later, GCompris closes and the apps tray reappears.
6. If opened again, same results are observed every time.
OBSERVED RESULT
GCompris closes on start.
EXPECTED RESULT
GCompris progresses past its splash screen.
SOFTWARE/OS VERSIONS
GrapheneOS 2025010700
Android 15
GCompris 4.3, F-Droid
ADDITIONAL INFORMATION
Memory tagging is enabled for all apps. Dynamic code loading via memory is
disabled for all apps. It is possible to toggle these settings off on a per-app
basis and I am willing to do so for testing purposes.
MEMORY TAGGING REPORT:
```
type: crash
package: net.gcompris.full:40301, targetSdk 33
osVersion: google/husky/husky:15/AP4A.250105.002/2025010700:user/release-keys
uid: 10181 (u:r:untrusted_app_32:s0:c181,c256,c512,c768)
cmdline: net.gcompris.full
processUptime: 2s
signal: 11 (SIGSEGV), code 9 (SEGV_MTESERR), faultAddr 200d7c6eab16a18
threadName: qtMainLoopThrea
MTE: enabled
backtrace:
/data/app/~~tNW1Bzm5agILijBQC0wSqw==/net.gcompris.full-s6U0ijkWV6pvCfwetJ9sXw==/lib/arm64/libQt5Core.so
(pc 2ccb08)
/data/app/~~tNW1Bzm5agILijBQC0wSqw==/net.gcompris.full-s6U0ijkWV6pvCfwetJ9sXw==/lib/arm64/libQt5Core.so
(QCoreApplication::translate(char const*, char const*, char const*, int)+180,
pc 28ecc0)
/data/app/~~tNW1Bzm5agILijBQC0wSqw==/net.gcompris.full-s6U0ijkWV6pvCfwetJ9sXw==/lib/arm64/libQt5Gui.so
(QGuiApplication::event(QEvent*)+92, pc 121d24)
```
DCL VIA MEMORY REPORT:
```
type: memory_DCL
osVersion: google/husky/husky:15/AP4A.250105.002/2025010700:user/release-keys
package: net.gcompris.full:40301, targetSdk 33
package: net.gcompris.full:40301
DCL denial type: DENY_EXECMEM
```
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