23-Sep-2026 16:37:42: building syzkaller on 06648d9ccf5ec6f9453ef09b0fdbdebf020ee0f8... 23-Sep-2026 16:40:21: fetching kernel... 23-Sep-2026 16:40:23: checked out kernel commit 5bfe2b8c1439354d25dc5b1779cd0bb75bb90a7f ("Revert \"mmc: sdhci: make tuning_err a signed int\"", 2026-09-11 15:56:56 +0000 UTC) 23-Sep-2026 16:40:23: cleaning kernel... 23-Sep-2026 16:40:24: building kernel... 23-Sep-2026 16:43:28: 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 16:43:28: testing patch... 23-Sep-2026 16:51:11: reproduced crash: general protection fault in step_into