20-Sep-2026 23:16:27: building syzkaller on 905244d6537a0eefec986eb013d2066d6db33d15...
20-Sep-2026 23:16:50: fetching kernel...
20-Sep-2026 23:16:52: 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 23:16:52: cleaning kernel...
20-Sep-2026 23:16:53: building kernel...
20-Sep-2026 23:19:46: 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 23:19:46: testing patch...
20-Sep-2026 23:30:33: reproduced crash: KASAN: use-after-free Read in ext4_find_extent