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

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Message-ID: <6953a0dc.050a0220.329c0f.056f.GAE@google.com>
Date: Tue, 30 Dec 2025 01:52:28 -0800
From: syzbot <syzbot+list55d44ccb73da1c14b834@...kaller.appspotmail.com>
To: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly block report (Dec 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, 1 new issues were detected and 1 were fixed.
In total, 41 issues are still open and 108 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  10004   Yes   INFO: task hung in read_part_sector (2)
                   https://syzkaller.appspot.com/bug?extid=82de77d3f217960f087d
<2>  8144    Yes   KMSAN: kernel-infoleak in filemap_read
                   https://syzkaller.appspot.com/bug?extid=905d785c4923bea2c1db
<3>  3127    Yes   INFO: task hung in bdev_open
                   https://syzkaller.appspot.com/bug?extid=5c6179f2c4f1e111df11
<4>  2746    Yes   INFO: task hung in sync_bdevs (3)
                   https://syzkaller.appspot.com/bug?extid=97bc0b256218ed6df337
<5>  2628    Yes   INFO: task hung in bdev_release
                   https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4
<6>  1696    Yes   INFO: task hung in blkdev_fallocate
                   https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<7>  667     Yes   possible deadlock in elevator_change
                   https://syzkaller.appspot.com/bug?extid=ccae337393ac17091c34
<8>  282     No    INFO: task hung in queue_limits_commit_update_frozen
                   https://syzkaller.appspot.com/bug?extid=f272bbfbf8498ddadea5
<9>  124     No    KCSAN: data-race in block_uevent / inc_diskseq (2)
                   https://syzkaller.appspot.com/bug?extid=c147f9175ec6cc7bd73b
<10> 101     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@...glegroups.com.

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