23-Sep-2026 01:28:48: building syzkaller on 82c9c083a75aa76345d19c3fc2c0dea5dee268df... 23-Sep-2026 01:29:08: fetching kernel... 23-Sep-2026 01:29:10: checked out kernel commit c8909f7cf1380810b285cbeee347dd01a8c9ec5c ("UPSTREAM: x86/mm: Fix check/use ordering in switch_mm_irqs_off()", 2026-09-22 07:00:30 -0700 -0700) 23-Sep-2026 01:29:10: cleaning kernel... 23-Sep-2026 01:29:11: building kernel... 23-Sep-2026 01:33:30: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 23-Sep-2026 01:33:30: testing patch... 23-Sep-2026 01:38:51: reproduced crash: general protection fault in ovl_lookup_single