libalignalgorithm.so SIGSEGV in triangulation — missing null check
Service
cupixworks-captue-skatmaster-arm-instance
Occurrences
2
Status
Reported
Confidence
80%
Actionability
52%
Cluster ID
45d9058f-4f8e-47e3-a9ed-4ee8a6f92e17
First Seen
2026-04-27 00:55 UTC
Last Seen
2026-04-27 00:55 UTC
Actions
libalignalgorithm.so SIGSEGV in triangulation — missing null check
What Happened#
2026-04-27 00:55:53 UTC에 cupixworks-captue-skatmaster-arm-instance 서비스의 ap-southeast-2 리전에서 skatmaster native 프로세스가 SIGSEGV (segmentation fault) 로 크래시하여 SkatmasterService::runService | error가 발생했다. capture 69410 / job 181610 처리 중 Insta360 X5 카메라(firmware v1.10.11_build1)의 영상을 VISLAM triangulation 단계에서 처리하던 중 native C++ 라이브러리(libalignalgorithm.so)가 메모리 접근 위반으로 비정상 종료되었다.
Quick Facts#
| Field | Value |
|---|---|
| exception.class | SIGSEGV (signal 11) |
| exception.message | exitWithDefaultSignalHandler:226. Exiting due to FATAL_SIGNAL, 11 |
| top_frame | libalignalgorithm.so : cupix::align_algorithm::inertial::ComputeVISLAM::triangulatePair(...) |
| env | production, ap-southeast-2 |
Affected Teams#
| Team / Domain | Error Count | Impact |
|---|---|---|
| naylorlove (team_id: 22) | 1 | capture 69410 / job 181610 처리 실패, 사용자 david.vanwyk@naylorlove.co.nz의 스캔 결과 미생성 |
Timeline#
- 00:11:36Z —
SkatmasterService::InitService및runService시작 - 00:11:39Z — 입력 데이터 로드 완료 (video:
VID_20260423_105655_00_003.insv, Insta360 X5, 0 panos, 1 video, 0 frames) - 00:11:39Z — firmware 미지원 경고 6회 발생 (
Unsupported firmware version detected! - Camera: Insta360 X5, version: v1.10.11_build1) - 00:15:34Z —
Sliding offsets are not monotonic경고 - 00:22:44Z —
scenes are splitted! - num scenes: 3— 영상이 3개 scene으로 분할 - 00:22:45Z —
accBias jumped!,Initialization failed (9 - 24) - BA failed— Bundle Adjustment 초기화 실패 - 00:55:39Z — SIGSEGV(11) 발생 — native 프로세스 크래시
- 00:55:53Z —
SkatmasterService::forceShutdown, error 로그 기록, ECI 파일 저장
Scoring#
Confidence 80% · Actionability 52%
Confidence#
| Dimension | Score | Detail |
|---|---|---|
| Evidence completeness | 5/5 | 16 code refs, 4 log queries |
| Code path explicitness | 3/3 | 16 file:line refs |
| Log evidence | 2/3 | section, query |
| RCA structure | 3/3 | 3/3 sections |
| Revision history | 0/3 | 0 revision(s) |
| Agent execution | 3/3 | success |
Actionability#
| Dimension | Score | Detail |
|---|---|---|
| Fix complexity | 5/5 | trivial |
| Affected files | 1/5 | 11 file(s) |
| Single repo | 1/3 | 6 service(s) |
| Immediate actions | 0/3 | absent |
| Testability | 0/3 | no test info |
| External dependency | 3/3 | no external deps |
| Data migration | 3/3 | no migration |