05-Oct-2026 23:02:20: building syzkaller on 163f510d99dcf7239e56cef53bbca39db1f2fd9b...
05-Oct-2026 23:02:37: fetching kernel...
05-Oct-2026 23:02:39: checked out kernel commit 6612ef9d0b09420469e261578372ab3cc9aa9cf1 ("UPSTREAM: Bluetooth: RFCOMM: serialize security confirmation handling", 2026-09-29 20:52:17 +0000 UTC)
05-Oct-2026 23:02:39: cleaning kernel...
05-Oct-2026 23:02:40: building kernel...
05-Oct-2026 23:05:52: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
05-Oct-2026 23:05:52: testing patch...
05-Oct-2026 23:11:26: reproduced crash: kernel BUG in mb_mark_used