29-Aug-2026 01:03:53: building syzkaller on 5d63f80b763910b40ae04a96c13dc75d621bea67... 29-Aug-2026 01:07:14: fetching kernel... 29-Aug-2026 01:07:18: checked out kernel commit f1b8fa82cab722103dbe33985bfb467b5248fce7 ("Merge branch 'for-next/core' into for-kernelci", 2026-08-27 15:01:20 +0000 UTC) 29-Aug-2026 01:07:18: cleaning kernel... 29-Aug-2026 01:07:20: building kernel... 29-Aug-2026 01:16:13: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 29-Aug-2026 01:16:13: testing patch... 29-Aug-2026 01:21:43: reproduced crash: KASAN: slab-use-after-free Read in register_bcache