[syzbot] Monthly block report (Oct 2023)

syzbot
2023-10-09T09:25:16Z

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, 29 issues are still open and 87 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 868 Yes WARNING in blk_rq_map_user_iov
https://syzkaller.appspot.com/bug?extid=a532b03fdfee2c137666
<2> 427 Yes INFO: task hung in blkdev_put (4)
https://syzkaller.appspot.com/bug?extid=9a29d5e745bd7523c851
<3> 101 Yes INFO: task hung in blkdev_fallocate
https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<4> 38 Yes KASAN: use-after-free Read in __dev_queue_xmit (5)
https://syzkaller.appspot.com/bug?extid=b7be9429f37d15205470
<5> 34 Yes INFO: task hung in nbd_add_socket (2)
https://syzkaller.appspot.com/bug?extid=cbb4b1ebc70d0c5a8c29
<6> 30 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> 19 Yes WARNING in wait_til_done (2)
https://syzkaller.appspot.com/bug?extid=9bc4da690ee5334f5d15
<9> 13 No WARNING in process_fd_request
https://syzkaller.appspot.com/bug?extid=1d4201dfe9f2386fdc0b
<10> 12 Yes general protection fault in start_motor (3)
https://syzkaller.appspot.com/bug?extid=1fad709a9a55674f0e0b

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