[syzbot] Monthly block report (May 2026)

[syzbot] Monthly block report (May 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, 2 new issues were detected and 0 were fixed.
In total, 43 issues are still open and 112 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  60717   Yes   possible deadlock in __submit_bio
                   https://syzkaller.appspot.com/bug?extid=949ae54e95a2fab4cbb4
<2>  54118   Yes   INFO: task hung in read_part_sector (2)
                   https://syzkaller.appspot.com/bug?extid=82de77d3f217960f087d
<3>  10964   Yes   possible deadlock in elevator_change
                   https://syzkaller.appspot.com/bug?extid=ccae337393ac17091c34
<4>  8886    Yes   KMSAN: kernel-infoleak in filemap_read
                   https://syzkaller.appspot.com/bug?extid=905d785c4923bea2c1db
<5>  5009    Yes   INFO: task hung in bdev_open
                   https://syzkaller.appspot.com/bug?extid=5c6179f2c4f1e111df11
<6>  4770    Yes   INFO: task hung in sync_bdevs (3)
                   https://syzkaller.appspot.com/bug?extid=97bc0b256218ed6df337
<7>  2650    Yes   INFO: task hung in bdev_release
                   https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4
<8>  1706    Yes   INFO: task hung in blkdev_fallocate
                   https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<9>  1191    Yes   INFO: task hung in queue_limits_commit_update_frozen
                   https://syzkaller.appspot.com/bug?extid=f272bbfbf8498ddadea5
<10> 440     No    possible deadlock in __synchronize_srcu (3)
                   https://syzkaller.appspot.com/bug?extid=13d361cfb0c0d33ff8dd

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