06-Nov-2026 07:49:50: building syzkaller on 5cb44a80412f4dcfba9693d7d0e4c2ae352acdaa... 06-Nov-2026 07:50:11: fetching kernel... 06-Nov-2026 07:50:14: 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 07:50:14: cleaning kernel... 06-Nov-2026 07:50:15: building kernel... 06-Nov-2026 07:53:31: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 06-Nov-2026 07:53:31: testing patch... 06-Nov-2026 07:56:46: reproduced crash: UBSAN: shift-out-of-bounds in exfat_fill_super