12-Sep-2026 00:49:47: building syzkaller on fb427a0782000106c62de76d251e5a02de5406a9...
12-Sep-2026 02:31:40: fetching kernel...
12-Sep-2026 02:31:43: checked out kernel commit 0996e0926f6b4d6123e1b94407d726bc9810248e ("Linux 5.15.220", 2026-09-02 14:27:29 +0200 +0200)
12-Sep-2026 02:31:43: cleaning kernel...
12-Sep-2026 02:37:41: building kernel...
12-Sep-2026 02:43:41: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
12-Sep-2026 02:43:41: testing patch...
12-Sep-2026 02:50:02: reproduced crash: UBSAN: shift-out-of-bounds in befs_check_sb