06-Nov-2026 20:26:33: building syzkaller on 5cecaf1f6fc71be2d4f1998a5356a17869ac766e... 06-Nov-2026 20:28:57: fetching kernel... 06-Nov-2026 20:29:01: checked out kernel commit ddfe51b0a0f5dc9e415cc2c8ad8db17532dd426b ("Add linux-next specific files for 20261105", 2026-11-05 14:21:49 +0000 UTC) 06-Nov-2026 20:29:01: cleaning kernel... 06-Nov-2026 20:30:21: applying patch (532 bytes)... 06-Nov-2026 20:30:21: building kernel... 06-Nov-2026 20:39:36: kernel build failed: drivers/md/dm-cache-target.c:2386:27: error: use of undeclared identifier 'U32'