06-Nov-2026 07:36:15: building syzkaller on b561ce9c475aa581de4869cff9c1dea6f24c2454... 06-Nov-2026 07:36:39: fetching kernel... 06-Nov-2026 07:36:41: checked out kernel commit 2e8ed1192bdfba1592fdf7720e748e175448d8b0 ("UPSTREAM: ALSA: usb-audio: Don't try to submit URBs after disconnection", 2026-11-04 13:38:55 -0800 -0800) 06-Nov-2026 07:36:41: cleaning kernel... 06-Nov-2026 07:36:42: building kernel... 06-Nov-2026 07:39:57: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 06-Nov-2026 07:39:57: testing patch... 06-Nov-2026 07:42:44: reproduced crash: UBSAN: shift-out-of-bounds in exfat_fill_super