14-Sep-2026 04:12:02: building syzkaller on 0b9605c8e9db737f9efc5a0557534eade4cbf844... 14-Sep-2026 04:12:19: fetching kernel... 14-Sep-2026 04:12:21: checked out kernel commit 5bfe2b8c1439354d25dc5b1779cd0bb75bb90a7f ("Revert \"mmc: sdhci: make tuning_err a signed int\"", 2026-09-11 15:56:56 +0000 UTC) 14-Sep-2026 04:12:21: cleaning kernel... 14-Sep-2026 04:12:22: building kernel... 14-Sep-2026 04:15:24: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 14-Sep-2026 04:15:24: testing patch... 14-Sep-2026 04:30:33: reproduced crash: kernel BUG in ext4_write_inline_data_end