Hello udf maintainers/developers, This is a 31-day syzbot report for the udf subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/udf During the period, 1 new issues were detected and 0 were fixed. In total, 16 issues are still open and 18 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 2016 Yes WARNING in udf_truncate_extents https://syzkaller.appspot.com/bug?extid=43fc5ba6dcb33e3261ca <2> 250 Yes KMSAN: uninit-value in udf_update_tag https://syzkaller.appspot.com/bug?extid=d31185aa54170f7fc1f5 <3> 144 Yes KASAN: use-after-free Write in udf_close_lvid https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57 <4> 39 Yes KASAN: use-after-free Read in udf_finalize_lvid https://syzkaller.appspot.com/bug?extid=46073c22edd7f242c028 <5> 37 Yes KASAN: use-after-free Read in udf_sync_fs https://syzkaller.appspot.com/bug?extid=82df44ede2faca24c729 <6> 20 Yes WARNING in udf_setsize (2) https://syzkaller.appspot.com/bug?extid=db6df8c0f578bc11e50e <7> 6 Yes UBSAN: array-index-out-of-bounds in udf_process_sequence https://syzkaller.appspot.com/bug?extid=abb7222a58e4ebc930ad <8> 5 Yes KASAN: slab-out-of-bounds Write in udf_adinicb_writepage https://syzkaller.appspot.com/bug?extid=a3db10baf0c0ee459854 <9> 3 No WARNING in udf_prealloc_blocks (2) https://syzkaller.appspot.com/bug?extid=cc2b732891efbf755b78 <10> 2 Yes KASAN: slab-use-after-free Read in udf_free_blocks https://syzkaller.appspot.com/bug?extid=0b7937459742a0a4cffd --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. To disable reminders for individual bugs, reply with the following command: #syz set <Ref> no-reminders To change bug's subsystems, reply with: #syz set <Ref> subsystems: new-subsystem You may send multiple commands in a single email message.