BF6 BSOD — PAGE_FAULT_IN_NONPAGED_AREA (0x50) in eaanticheat.sys (v1.0.15918775)
Analyzed by KIMI K3
Subject: BF6 BSOD — PAGE_FAULT_IN_NONPAGED_AREA (0x50) in eaanticheat.sys (v1.0.15918775), full memory dump + WinDbg analysis available
Hello EA Anti-Cheat team,
Reporting crash during Battlefield 6 sessions on 2026-10-12 (local, UTC+8), with a full memory dump and debugger analysis.
Environment
- Windows 11 x64, kernel 10.0.26100.1 (ge_release), 24 logical processors
- VBS + HVCI (Memory Integrity) enabled
- EA Anti-Cheat 1.0.15918775; driver image build timestamp 2026-10-06 09:41:01 UTC (PE header), image size 0x5366000
- Game: Battlefield 6 (bf6.exe)
Crash — 22:10 local, BSOD 0x50, "What failed: eaanticheat.sys"
- Bug check 0x50: P1=ffff993a660c0a48 (write to invalid nonpaged pool), P2=2, P3=fffff805411793b4, P4=2
- FAILURE_BUCKET_ID: AV_eaanticheat!unknown_function
- Faulting instruction at eaanticheat+0x5a93b4: mov qword ptr [rdi+200h],rcx — write through a stale pointer into a nonpaged-pool page that is no longer valid (use-after-free pattern)
- Faulting thread: a driver-created kernel thread (nt!IopThreadStart) attached to the bf6.exe process; all 4 frames above KiPageFault are inside eaanticheat (+0x11233af, +0x10847c5, +0x1175f32, +0x12a8832 — nearest-export names, no public PDB)
- No other third-party driver on the captured stack
Regards,
Licw000
