17-Sep-2026 09:06:44: building syzkaller on 47d015b159b8ac137567fbb64a3a22cd84bdf027...
17-Sep-2026 09:06:59: fetching kernel...
17-Sep-2026 09:07:01: checked out kernel commit 5bfe2b8c1439354d25dc5b1779cd0bb75bb90a7f ("Revert \"mmc: sdhci: make tuning_err a signed int\"", 2026-09-11 15:56:56 +0000 UTC)
17-Sep-2026 09:07:01: cleaning kernel...
17-Sep-2026 09:07:02: building kernel...
17-Sep-2026 09:10:03: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
17-Sep-2026 09:10:03: testing patch...
17-Sep-2026 09:23:44: reproduced crash: KASAN: use-after-free Read in __ext4_check_dir_entry