[syzbot] Monthly udf report (May 2023)

[syzbot]

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, 2 new issues were detected and 0 were fixed.
In total, 14 issues are still open and 17 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 481     Yes   WARNING in udf_truncate_extents
                  https://syzkaller.appspot.com/bug?extid=43fc5ba6dcb33e3261ca
<2> 37      Yes   KASAN: use-after-free Read in crc_itu_t
                  https://syzkaller.appspot.com/bug?extid=d8fc21bfa138a5ae916d
<3> 36      Yes   KASAN: use-after-free Write in udf_close_lvid
                  https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57
<4> 11      No    WARNING in udf_new_block
                  https://syzkaller.appspot.com/bug?extid=cc717c6c5fee9ed6e41d
<5> 5       No    WARNING in udf_prealloc_blocks
                  https://syzkaller.appspot.com/bug?extid=a637b18b4c36f9892829
<6> 2       No    WARNING in udf_free_blocks
                  https://syzkaller.appspot.com/bug?extid=80d8e23d89e3b1222382
<7> 1       No    BUG: unable to handle kernel paging request in udf_add_fid_counter
                  https://syzkaller.appspot.com/bug?extid=363633e9b96ffd442134

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