linux-kernel - [syzbot] Monthly block report (Aug 2025)

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Message-ID: <68aebea6.a70a0220.3cafd4.0013.GAE@google.com>
Date: Wed, 27 Aug 2025 01:15:34 -0700
From: syzbot <syzbot+list17848dc1d79bb6dd245d@...kaller.appspotmail.com>
To: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly block report (Aug 2025)

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, 2 new issues were detected and 1 were fixed.
In total, 42 issues are still open and 104 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  44250   Yes   possible deadlock in blk_mq_update_nr_hw_queues
                   https://syzkaller.appspot.com/bug?extid=6279b273d888c2017726
<2>  43987   Yes   possible deadlock in __del_gendisk
                   https://syzkaller.appspot.com/bug?extid=2e9e529ac0b319316453
<3>  6788    Yes   KMSAN: kernel-infoleak in filemap_read
                   https://syzkaller.appspot.com/bug?extid=905d785c4923bea2c1db
<4>  2605    Yes   INFO: task hung in bdev_release
                   https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4
<5>  2281    No    INFO: task hung in read_part_sector (2)
                   https://syzkaller.appspot.com/bug?extid=82de77d3f217960f087d
<6>  1685    Yes   INFO: task hung in blkdev_fallocate
                   https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<7>  1384    Yes   INFO: task hung in bdev_open
                   https://syzkaller.appspot.com/bug?extid=5c6179f2c4f1e111df11
<8>  747     Yes   INFO: task hung in sync_bdevs (3)
                   https://syzkaller.appspot.com/bug?extid=97bc0b256218ed6df337
<9>  574     Yes   possible deadlock in elevator_change
                   https://syzkaller.appspot.com/bug?extid=ccae337393ac17091c34
<10> 105     No    KCSAN: data-race in block_uevent / inc_diskseq (2)
                   https://syzkaller.appspot.com/bug?extid=c147f9175ec6cc7bd73b

---
This report is generated by a bot. It may contain errors.
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