20-Sep-2026 01:09:10: building syzkaller on f3921d4d63f97d1f1fb49a69ea85744bb7ef184b...
20-Sep-2026 01:10:16: fetching kernel...
20-Sep-2026 01:10:21: checked out kernel commit 0248c33e835ecbec3a591f93fdaae53f7b90a4d6 ("Linux 5.15.221", 2026-09-14 13:20:54 +0200 +0200)
20-Sep-2026 01:10:21: cleaning kernel...
20-Sep-2026 01:10:22: building kernel...
20-Sep-2026 01:17:37: 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 01:17:37: testing patch...
20-Sep-2026 01:22:41: reproduced crash: WARNING in btrfs_space_info_update_bytes_may_use