[syzbot] Monthly block report (Jan 2024)

From: syzbot
Date: Tue Jan 09 2024 - 13:20:59 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, 1 new issues were detected and 0 were fixed.
In total, 25 issues are still open and 88 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 3044 Yes WARNING in blk_rq_map_user_iov
https://syzkaller.appspot.com/bug?extid=a532b03fdfee2c137666
<2> 475 Yes INFO: task hung in blkdev_put (4)
https://syzkaller.appspot.com/bug?extid=9a29d5e745bd7523c851
<3> 365 Yes general protection fault in bio_first_folio
https://syzkaller.appspot.com/bug?extid=8b23309d5788a79d3eea
<4> 144 Yes INFO: task hung in blkdev_fallocate
https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<5> 45 Yes KASAN: use-after-free Read in __dev_queue_xmit (5)
https://syzkaller.appspot.com/bug?extid=b7be9429f37d15205470
<6> 34 Yes INFO: task hung in nbd_add_socket (2)
https://syzkaller.appspot.com/bug?extid=cbb4b1ebc70d0c5a8c29
<7> 26 Yes WARNING in blk_register_tracepoints
https://syzkaller.appspot.com/bug?extid=c54ded83396afee31eb1
<8> 12 Yes INFO: task hung in bdev_release
https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4

---
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@xxxxxxxxxxxxxxxx.

To disable reminders for individual bugs, reply with the following command:
#syz set <Ref> no-reminders

To change bug's subsystems, reply with:
#syz set <Ref> subsystems: new-subsystem

You may send multiple commands in a single email message.