Hi,
For your information, in Xcode 26 beta 5, the crash report provides some interesting new information.
The crash occurred same with 'shared memory'
Exception Subtype: KERN_PROTECTION_FAILURE at 0x000000038851ffd0
Exception Codes: 0x0000000000000002, 0x000000038851ffd0
VM Region Info: 0x38851ffd0 is in 0x38850c000-0x389a0c000; bytes after start: 81872 bytes before end: 21938223
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
shared memory 3884fc000-38850c000 [ 64K] rw-/rw- SM=SHM
---> shared memory 38850c000-389a0c000 [ 21.0M] rw-/rw- SM=SHM
mapped file 389a0c000-38a8d8000 [ 14.8M] r-x/rwx SM=COW Object_id=c949d43b
Termination Reason: SIGNAL 10 Bus error: 10
Terminating Process: exc handler [75426]
However, the crash point provides even more information.
0 ??? 0x38851ffd0 ???
1 RuntimeInternal 0x243f29ff8 _withConformanceCache(for:do:) + 240
2 ReflectionInternal 0x2428d7004 _typesThatConform(to:) + 148
3 PreviewsInjection 0x24178d7f0 0x241736000 + 358384
4 PreviewsServices 0x2418cf9a8 0x2418c6000 + 39336
5 PreviewsInjection 0x24174f0d9 0x241736000 + 102617
6 PreviewsServices 0x2418cf921 0x2418c6000 + 39201
7 PreviewsInjection 0x24178d295 0x241736000 + 357013
8 PreviewsInjection 0x241786141 0x241736000 + 328001
9 PreviewsInjection 0x241785bd1 0x241736000 + 326609
10 PreviewsInjection 0x24173f47d 0x241736000 + 38013
11 PreviewsInjection 0x241739475 0x241736000 + 13429
12 PreviewsInjection 0x241763325 0x241736000 + 185125
13 PreviewsInjection 0x24176a2d9 0x241736000 + 213721
14 PreviewsInjection 0x24176bb79 0x241736000 + 220025
15 PreviewsInjection 0x241739475 0x241736000 + 13429
16 PreviewsInjection 0x241739475 0x241736000 + 13429
17 libswift_Concurrency.dylib 0x258e99ee5 completeTaskWithClosure(swift::AsyncContext*, swift::SwiftError*) + 1
Topic:
UI Frameworks
SubTopic:
SwiftUI
Tags: