05-Oct-2026 18:58:02: building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4...
05-Oct-2026 19:01:34: fetching kernel...
05-Oct-2026 19:01:36: checked out kernel commit 6612ef9d0b09420469e261578372ab3cc9aa9cf1 ("UPSTREAM: Bluetooth: RFCOMM: serialize security confirmation handling", 2026-09-29 20:52:17 +0000 UTC)
05-Oct-2026 19:01:36: cleaning kernel...
05-Oct-2026 19:01:37: building kernel...
05-Oct-2026 19:04:48: 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 19:04:48: testing patch...
05-Oct-2026 19:14:50: reproduced crash: UBSAN: shift-out-of-bounds in exfat_fill_super