[syzbot] Monthly block report (Jan 2026)

[syzbot] 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

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