[syzbot] Monthly block report (Sep 2023)

From: syzbot
Date: Thu Sep 07 2023 - 12:11:32 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, 5 new issues were detected and 0 were fixed.
In total, 31 issues are still open and 85 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 1987 Yes WARNING in copy_page_from_iter
https://syzkaller.appspot.com/bug?extid=63dec323ac56c28e644f
<2> 407 Yes INFO: task hung in blkdev_put (4)
https://syzkaller.appspot.com/bug?extid=9a29d5e745bd7523c851
<3> 252 No KMSAN: kernel-infoleak in copy_page_to_iter (4)
https://syzkaller.appspot.com/bug?extid=17a061f6132066e9fb95
<4> 95 Yes INFO: task hung in blkdev_fallocate
https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<5> 36 Yes KASAN: use-after-free Read in __dev_queue_xmit (5)
https://syzkaller.appspot.com/bug?extid=b7be9429f37d15205470
<6> 25 Yes INFO: task hung in blkdev_get_by_dev (5)
https://syzkaller.appspot.com/bug?extid=6229476844294775319e
<7> 24 Yes WARNING in blk_register_tracepoints
https://syzkaller.appspot.com/bug?extid=c54ded83396afee31eb1
<8> 16 Yes WARNING in wait_til_done (2)
https://syzkaller.appspot.com/bug?extid=9bc4da690ee5334f5d15
<9> 8 Yes WARNING in floppy_interrupt (2)
https://syzkaller.appspot.com/bug?extid=aa45f3927a085bc1b242
<10> 5 Yes WARNING in get_probe_ref
https://syzkaller.appspot.com/bug?extid=8672dcb9d10011c0a160

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