23-Sep-2026 20:43:43: building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4...
23-Sep-2026 20:44:28: fetching kernel...
23-Sep-2026 20:44:30: checked out kernel commit 0248c33e835ecbec3a591f93fdaae53f7b90a4d6 ("Linux 5.15.221", 2026-09-14 13:20:54 +0200 +0200)
23-Sep-2026 20:44:30: cleaning kernel...
23-Sep-2026 20:44:31: building kernel...
23-Sep-2026 20:50:08: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
23-Sep-2026 20:50:08: testing patch...
23-Sep-2026 21:05:18: reproduced crash: WARNING in btrfs_put_block_group