20-Sep-2026 00:31:03: building syzkaller on 1d2f35898f2e0325486423250d5303b6bc05adcd... 20-Sep-2026 00:31:26: fetching kernel... 20-Sep-2026 00:31:28: checked out kernel commit 5bfe2b8c1439354d25dc5b1779cd0bb75bb90a7f ("Revert \"mmc: sdhci: make tuning_err a signed int\"", 2026-09-11 15:56:56 +0000 UTC) 20-Sep-2026 00:31:28: cleaning kernel... 20-Sep-2026 00:31:29: building kernel... 20-Sep-2026 00:34:19: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 20-Sep-2026 00:34:19: testing patch... 20-Sep-2026 00:37:40: reproduced crash: KASAN: use-after-free Write in steam_input_open