[syzbot] Monthly block report (Jul 2023)

[syzbot]

Hello block maintainers/developers,

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

During the period, 3 new issues were detected and 2 were fixed.
In total, 30 issues are still open and 84 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  976     Yes   WARNING in copy_page_from_iter
                   https://syzkaller.appspot.com/bug?extid=63dec323ac56c28e644f
<2>  386     Yes   INFO: task hung in blkdev_put (4)
                   https://syzkaller.appspot.com/bug?extid=9a29d5e745bd7523c851
<3>  179     Yes   INFO: task hung in do_read_cache_folio
                   https://syzkaller.appspot.com/bug?extid=be946efe33b2d9664348
<4>  111     Yes   INFO: task hung in __filemap_get_folio
                   https://syzkaller.appspot.com/bug?extid=0e9dc403e57033a74b1d
<5>  87      Yes   INFO: task hung in blkdev_fallocate
                   https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<6>  33      Yes   INFO: task hung in nbd_add_socket (2)
                   https://syzkaller.appspot.com/bug?extid=cbb4b1ebc70d0c5a8c29
<7>  32      Yes   KASAN: use-after-free Read in __dev_queue_xmit (5)
                   https://syzkaller.appspot.com/bug?extid=b7be9429f37d15205470
<8>  32      No    KMSAN: kernel-infoleak in copy_page_to_iter (4)
                   https://syzkaller.appspot.com/bug?extid=17a061f6132066e9fb95
<9>  21      Yes   INFO: task hung in blkdev_get_by_dev (5)
                   https://syzkaller.appspot.com/bug?extid=6229476844294775319e
<10> 10      Yes   WARNING in wait_til_done (2)
                   https://syzkaller.appspot.com/bug?extid=9bc4da690ee5334f5d15

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