22-Oct-2026 00:31:40: building syzkaller on a775275df40273d33a6577bc007a34087da9f056... 22-Oct-2026 00:31:55: fetching kernel... 22-Oct-2026 00:31:57: checked out kernel commit 792fbe1537d8daeca9bd1917e84078b5432aadc2 ("Linux 5.15.223", 2026-10-15 14:14:32 +0200 +0200) 22-Oct-2026 00:31:57: cleaning kernel... 22-Oct-2026 00:31:58: building kernel... 22-Oct-2026 00:38:03: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 22-Oct-2026 00:38:03: testing patch... 22-Oct-2026 00:54:34: reproduced crash: INFO: task hung in lock_extent_bits