29-Sep-2026 09:10:02: building syzkaller on 4440e7c2e964875f9e35dba6deda12c2195f19d3... 29-Sep-2026 09:13:41: fetching kernel... 29-Sep-2026 09:13:43: checked out kernel commit 3d4bd33f0b0bedded31a9d7491d6b20d818e29c7 ("Merge tag 'android14-6.1.177_r00' into android14-6.1", 2026-09-25 08:07:46 +0000 UTC) 29-Sep-2026 09:13:43: cleaning kernel... 29-Sep-2026 09:13:44: building kernel... 29-Sep-2026 09:16:51: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 29-Sep-2026 09:16:51: testing patch... 29-Sep-2026 09:30:35: reproduced crash: UBSAN: shift-out-of-bounds in ext4_check_opt_consistency