[syzbot] Monthly xfs report (May 2023)

[syzbot]

Hello xfs maintainers/developers,

This is a 31-day syzbot report for the xfs subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/xfs

During the period, 3 new issues were detected and 2 were fixed.
In total, 22 issues are still open and 18 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 560     Yes   INFO: task hung in xlog_grant_head_check
                  https://syzkaller.appspot.com/bug?extid=568245b88fbaedcb1959
<2> 501     No    KMSAN: uninit-value in __crc32c_le_base (3)
                  https://syzkaller.appspot.com/bug?extid=a6d6b8fffa294705dbd8
<3> 128     Yes   KASAN: stack-out-of-bounds Read in xfs_buf_lock
                  https://syzkaller.appspot.com/bug?extid=0bc698a422b5e4ac988c
<4> 110     Yes   INFO: task hung in xfs_buf_item_unpin
                  https://syzkaller.appspot.com/bug?extid=3f083e9e08b726fcfba2
<5> 89      Yes   WARNING in xfs_bmapi_convert_delalloc
                  https://syzkaller.appspot.com/bug?extid=53b443b5c64221ee8bad
<6> 12      Yes   KASAN: null-ptr-deref Write in xfs_filestream_select_ag
                  https://syzkaller.appspot.com/bug?extid=87466712bb342796810a
<7> 11      No    KASAN: use-after-free Read in xfs_inode_item_push
                  https://syzkaller.appspot.com/bug?extid=f0da51f81ea0b040c803
<8> 7       Yes   KASAN: stack-out-of-bounds Read in xfs_buf_delwri_submit_buffers
                  https://syzkaller.appspot.com/bug?extid=d2cdeba65d32ed1d2c4d
<9> 2       No    WARNING in xfs_bmap_extents_to_btree
                  https://syzkaller.appspot.com/bug?extid=0c383e46e9b4827b01b1

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