linux-kernel - [syzbot] Monthly block report (Oct 2023)

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Date:   Mon, 09 Oct 2023 02:23:52 -0700
From:   syzbot <syzbot+list688244bb9b6f6399051d@...kaller.appspotmail.com>
To:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly block report (Oct 2023)

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

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.

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