29-Aug-2026 05:10:05: building syzkaller on 5d63f80b763910b40ae04a96c13dc75d621bea67... 29-Aug-2026 06:44:21: fetching kernel... 29-Aug-2026 06:44:27: checked out kernel commit f1b8fa82cab722103dbe33985bfb467b5248fce7 ("Merge branch 'for-next/core' into for-kernelci", 2026-08-27 15:01:20 +0000 UTC) 29-Aug-2026 06:44:27: cleaning kernel... 29-Aug-2026 06:45:10: building kernel... 29-Aug-2026 06:53:55: 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 06:53:55: testing patch... 29-Aug-2026 06:58:51: reproduced crash: KASAN: slab-use-after-free Read in register_bcache