[syzbot] Monthly block report (Jun 2023)

From: syzbot
Date: Wed Jun 07 2023 - 05:11:41 EST


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, 0 new issues were detected and 1 were fixed.
In total, 25 issues are still open and 82 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 675 Yes WARNING in copy_page_from_iter
https://syzkaller.appspot.com/bug?extid=63dec323ac56c28e644f
<2> 370 Yes INFO: task hung in blkdev_put (4)
https://syzkaller.appspot.com/bug?extid=9a29d5e745bd7523c851
<3> 84 Yes INFO: task hung in blkdev_fallocate
https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<4> 33 Yes INFO: task hung in nbd_add_socket (2)
https://syzkaller.appspot.com/bug?extid=cbb4b1ebc70d0c5a8c29
<5> 31 Yes KASAN: use-after-free Read in __dev_queue_xmit (5)
https://syzkaller.appspot.com/bug?extid=b7be9429f37d15205470
<6> 21 Yes WARNING in blk_register_tracepoints
https://syzkaller.appspot.com/bug?extid=c54ded83396afee31eb1
<7> 8 No WARNING in wait_til_done (2)
https://syzkaller.appspot.com/bug?extid=9bc4da690ee5334f5d15
<8> 1 Yes WARNING in floppy_revalidate
https://syzkaller.appspot.com/bug?extid=c5732f0517748c2c8051

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