29-Sep-2026 08:50:28: building syzkaller on 1d2f35898f2e0325486423250d5303b6bc05adcd... 29-Sep-2026 08:54:36: fetching kernel... 29-Sep-2026 08:54:38: 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 08:54:38: cleaning kernel... 29-Sep-2026 08:54:38: building kernel... 29-Sep-2026 08:57:48: 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 08:57:48: testing patch... 29-Sep-2026 09:09:46: reproduced crash: UBSAN: shift-out-of-bounds in ext4_check_opt_consistency