27-Aug-2026 17:04:23: building syzkaller on cc4a4020ecb6d62110981f597feea0c04a643efa...
27-Aug-2026 17:06:34: fetching kernel...
27-Aug-2026 17:06:38: checked out kernel commit 4a1eaf96ee5c7ac16b90c84d15c5be505018861a ("Linux 5.15.218", 2026-08-27 14:28:23 +0200 +0200)
27-Aug-2026 17:06:38: cleaning kernel...
27-Aug-2026 17:06:39: building kernel...
27-Aug-2026 17:13:25: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
27-Aug-2026 17:13:25: testing patch...
27-Aug-2026 17:20:53: reproduced crash: WARNING in btrfs_put_block_group