12-Nov-2026 10:01:27: building syzkaller on 4bce1a3e705a8b62de8194bdb28f5eef89c8feec... 12-Nov-2026 10:01:35: fetching kernel... 12-Nov-2026 10:01:37: checked out kernel commit 29c6cdaac04a6989a7ed4ae4275ce4244e617f58 ("Linux 5.15.225", 2026-11-06 13:14:40 -0500 -0500) 12-Nov-2026 10:01:37: cleaning kernel... 12-Nov-2026 10:01:38: building kernel... 12-Nov-2026 10:08:38: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 12-Nov-2026 10:08:38: testing patch... 12-Nov-2026 10:14:14: reproduced crash: KASAN: use-after-free Read in udf_sync_fs