05-Oct-2026 19:11:53: building syzkaller on 1d2f35898f2e0325486423250d5303b6bc05adcd...
05-Oct-2026 19:12:14: fetching kernel...
05-Oct-2026 19:12:16: checked out kernel commit 6612ef9d0b09420469e261578372ab3cc9aa9cf1 ("UPSTREAM: Bluetooth: RFCOMM: serialize security confirmation handling", 2026-09-29 20:52:17 +0000 UTC)
05-Oct-2026 19:12:16: cleaning kernel...
05-Oct-2026 19:12:17: building kernel...
05-Oct-2026 19:15:28: 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 19:15:28: testing patch...
05-Oct-2026 19:18:56: reproduced crash: UBSAN: shift-out-of-bounds in exfat_fill_super