[syzbot] Monthly block report (Jun 2025)

[syzbot] Monthly block report (Jun 2025)

[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, 3 new issues were detected and 1 were fixed.
In total, 37 issues are still open and 98 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  22870   Yes   possible deadlock in blk_mq_update_nr_hw_queues
                   https://syzkaller.appspot.com/bug?extid=6279b273d888c2017726
<2>  20143   Yes   possible deadlock in loop_set_status
                   https://syzkaller.appspot.com/bug?extid=9b145229d11aa73e4571
<3>  6151    Yes   KMSAN: kernel-infoleak in filemap_read
                   https://syzkaller.appspot.com/bug?extid=905d785c4923bea2c1db
<4>  2574    Yes   INFO: task hung in bdev_release
                   https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4
<5>  1680    Yes   INFO: task hung in blkdev_fallocate
                   https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<6>  706     Yes   INFO: task hung in bdev_open
                   https://syzkaller.appspot.com/bug?extid=5c6179f2c4f1e111df11
<7>  594     No    INFO: task hung in read_part_sector (2)
                   https://syzkaller.appspot.com/bug?extid=82de77d3f217960f087d
<8>  380     Yes   possible deadlock in queue_requests_store
                   https://syzkaller.appspot.com/bug?extid=48928935f5008dde0a41
<9>  257     Yes   possible deadlock in pcpu_alloc_noprof (2)
                   https://syzkaller.appspot.com/bug?extid=91771b3fb86ec2dd7227
<10> 157     Yes   possible deadlock in elevator_change
                   https://syzkaller.appspot.com/bug?extid=ccae337393ac17091c34

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