[syzbot] Monthly block report (Jul 2025)

[syzbot] Monthly block report (Jul 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, 0 new issues were detected and 2 were fixed.
In total, 37 issues are still open and 102 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  40868   Yes   possible deadlock in blk_mq_update_nr_hw_queues
                   https://syzkaller.appspot.com/bug?extid=6279b273d888c2017726
<2>  40756   Yes   possible deadlock in __del_gendisk
                   https://syzkaller.appspot.com/bug?extid=2e9e529ac0b319316453
<3>  6513    Yes   KMSAN: kernel-infoleak in filemap_read
                   https://syzkaller.appspot.com/bug?extid=905d785c4923bea2c1db
<4>  2597    Yes   INFO: task hung in bdev_release
                   https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4
<5>  1681    Yes   INFO: task hung in blkdev_fallocate
                   https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<6>  1171    No    INFO: task hung in read_part_sector (2)
                   https://syzkaller.appspot.com/bug?extid=82de77d3f217960f087d
<7>  1016    Yes   INFO: task hung in bdev_open
                   https://syzkaller.appspot.com/bug?extid=5c6179f2c4f1e111df11
<8>  521     Yes   possible deadlock in queue_requests_store
                   https://syzkaller.appspot.com/bug?extid=48928935f5008dde0a41
<9>  415     No    INFO: task hung in sync_bdevs (3)
                   https://syzkaller.appspot.com/bug?extid=97bc0b256218ed6df337
<10> 378     Yes   possible deadlock in elevator_change
                   https://syzkaller.appspot.com/bug?extid=ccae337393ac17091c34

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