[syzbot] Monthly block report (Jan 2025)

From: syzbot
Date: Mon Jan 20 2025 - 08:07:33 EST


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, 5 new issues were detected and 0 were fixed.
In total, 46 issues are still open and 94 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 59531 Yes possible deadlock in __submit_bio
https://syzkaller.appspot.com/bug?extid=949ae54e95a2fab4cbb4
<2> 4822 Yes KMSAN: kernel-infoleak in filemap_read
https://syzkaller.appspot.com/bug?extid=905d785c4923bea2c1db
<3> 2964 Yes possible deadlock in blk_trace_setup
https://syzkaller.appspot.com/bug?extid=0d8542c90a512dc95185
<4> 2822 Yes possible deadlock in loop_reconfigure_limits
https://syzkaller.appspot.com/bug?extid=867b0179d31db9955876
<5> 2461 Yes INFO: task hung in bdev_release
https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4
<6> 1865 Yes KASAN: slab-use-after-free Read in percpu_ref_put (2)
https://syzkaller.appspot.com/bug?extid=905d719acdbd213bf67e
<7> 1662 Yes INFO: task hung in blkdev_fallocate
https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc
<8> 594 No INFO: task hung in bdev_open
https://syzkaller.appspot.com/bug?extid=5c6179f2c4f1e111df11
<9> 345 No possible deadlock in loop_set_status
https://syzkaller.appspot.com/bug?extid=9b145229d11aa73e4571
<10> 40 Yes possible deadlock in blk_mq_submit_bio
https://syzkaller.appspot.com/bug?extid=5218c85078236fc46227

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