[syzbot-moderation] Monthly block report (Jan 2026)

[syzbot]

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, 0 new issues were detected and 0 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> 18846 Yes INFO: task hung in read_part_sector (2)
https://syzkaller.appspot.com/bug?extid=82de77d3f217960f087d
<2> 8181 Yes KMSAN: kernel-infoleak in filemap_read
https://syzkaller.appspot.com/bug?extid=905d785c4923bea2c1db
<3> 3789 Yes INFO: task hung in bdev_open
https://syzkaller.appspot.com/bug?extid=5c6179f2c4f1e111df11
<4> 3483 Yes INFO: task hung in sync_bdevs (3)
https://syzkaller.appspot.com/bug?extid=97bc0b256218ed6df337
<5> 2632 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> 682 Yes possible deadlock in elevator_change
https://syzkaller.appspot.com/bug?extid=ccae337393ac17091c34
<8> 512 No INFO: task hung in queue_limits_commit_update_frozen
https://syzkaller.appspot.com/bug?extid=f272bbfbf8498ddadea5
<9> 139 No KCSAN: data-race in block_uevent / inc_diskseq (2)
https://syzkaller.appspot.com/bug?extid=c147f9175ec6cc7bd73b
<10> 135 Yes general protection fault in rtlock_slowlock_locked
https://syzkaller.appspot.com/bug?extid=08df3e4c9b304b37cb04

The report will be sent to: [linux...@vger.kernel.org linux-...@vger.kernel.org].

---
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 syzk...@googlegroups.com.

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

If the report looks fine to you, reply with:
#syz upstream

To regenerate the report, reply with:
#syz regenerate

You may send multiple commands in a single email message.

[Aleksandr Nogikh]

#syz upstream

> --
> You received this message because you are subscribed to the Google Groups "syzkaller-upstream-moderation" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-upstream-m...@googlegroups.com.
> To view this discussion visit https://groups.google.com/d/msgid/syzkaller-upstream-moderation/697ca4db.a70a0220.8545c.00ee.GAE%40google.com.