[syzbot] Monthly block report (Nov 2024)

From: syzbot
Date: Mon Nov 18 2024 - 05:38:50 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, 8 new issues were detected and 0 were fixed.
In total, 33 issues are still open and 94 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 4450 Yes KMSAN: kernel-infoleak in filemap_read
https://syzkaller.appspot.com/bug?extid=905d785c4923bea2c1db
<2> 2406 Yes INFO: task hung in bdev_release
https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4
<3> 1643 Yes INFO: task hung in blkdev_fallocate
https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<4> 587 No INFO: task hung in bdev_open
https://syzkaller.appspot.com/bug?extid=5c6179f2c4f1e111df11
<5> 335 Yes KASAN: slab-use-after-free Read in percpu_ref_put (2)
https://syzkaller.appspot.com/bug?extid=905d719acdbd213bf67e
<6> 287 Yes possible deadlock in blk_trace_setup
https://syzkaller.appspot.com/bug?extid=0d8542c90a512dc95185
<7> 40 No INFO: task hung in set_blocksize
https://syzkaller.appspot.com/bug?extid=3c0a6dfa116ca1e1ad1c
<8> 37 Yes INFO: task hung in nbd_add_socket (2)
https://syzkaller.appspot.com/bug?extid=cbb4b1ebc70d0c5a8c29
<9> 35 Yes INFO: task hung in blk_trace_ioctl (4)
https://syzkaller.appspot.com/bug?extid=ed812ed461471ab17a0c
<10> 28 Yes WARNING in blk_register_tracepoints
https://syzkaller.appspot.com/bug?extid=c54ded83396afee31eb1

---
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.