17-Sep-2026 08:36:15: building syzkaller on 03fcfc4b7385b545a89a3fc62bef4e1ec7532e0d...
17-Sep-2026 08:39:30: fetching kernel...
17-Sep-2026 08:39:32: 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 08:39:32: cleaning kernel...
17-Sep-2026 08:39:33: building kernel...
17-Sep-2026 08:42:27: 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 08:42:27: testing patch...
17-Sep-2026 09:06:34: reproduced crash: KASAN: use-after-free Read in __ext4_check_dir_entry