22-Oct-2026 00:08:05: building syzkaller on fb92f11c4789d9647a75c09c983dbee5c8488ccf... 22-Oct-2026 00:08:28: fetching kernel... 22-Oct-2026 00:08:31: checked out kernel commit 792fbe1537d8daeca9bd1917e84078b5432aadc2 ("Linux 5.15.223", 2026-10-15 14:14:32 +0200 +0200) 22-Oct-2026 00:08:31: cleaning kernel... 22-Oct-2026 00:08:31: building kernel... 22-Oct-2026 00:14:38: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 22-Oct-2026 00:14:38: testing patch... 22-Oct-2026 00:31:30: reproduced crash: INFO: task hung in lock_extent_bits