24-Sep-2026 01:39:07: building syzkaller on fb427a0782000106c62de76d251e5a02de5406a9...
24-Sep-2026 03:17:31: fetching kernel...
24-Sep-2026 03:17:36: checked out kernel commit 0248c33e835ecbec3a591f93fdaae53f7b90a4d6 ("Linux 5.15.221", 2026-09-14 13:20:54 +0200 +0200)
24-Sep-2026 03:17:36: cleaning kernel...
24-Sep-2026 03:23:07: building kernel...
24-Sep-2026 03:28:35: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
24-Sep-2026 03:28:35: testing patch...
24-Sep-2026 03:38:44: reproduced crash: BUG: unable to handle kernel NULL pointer dereference in ntfs_sparse_cluster