[syzbot] Monthly fs report (Jun 2026)

[syzbot]

Hello fs maintainers/developers,

This is a 31-day syzbot report for the fs subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/fs

During the period, 4 new issues were detected and 0 were fixed.
In total, 45 issues are still open and 633 have already been fixed.
There are also 12 low-priority issues.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 7729 Yes INFO: task hung in __iterate_supers
https://syzkaller.appspot.com/bug?extid=b10aefdd9ef275e9368d
<2> 3765 Yes INFO: task hung in synchronize_rcu (4)
https://syzkaller.appspot.com/bug?extid=222aa26d0a5dbc2e84fe
<3> 2673 Yes INFO: task hung in filename_create (4)
https://syzkaller.appspot.com/bug?extid=72c5cf124089bc318016
<4> 1652 Yes INFO: task hung in user_get_super (2)
https://syzkaller.appspot.com/bug?extid=ba09f4a317431df6cddf
<5> 196 No possible deadlock in kbd_event
https://syzkaller.appspot.com/bug?extid=781c8bb5e4d62cc883d3
<6> 79 Yes UBSAN: shift-out-of-bounds in befs_check_sb
https://syzkaller.appspot.com/bug?extid=fc26c366038b54261e53
<7> 7522 Yes possible deadlock in input_event (2)
https://syzkaller.appspot.com/bug?extid=d4c06e848a1c1f9f726f
<8> 4862 Yes INFO: task hung in path_openat (7)
https://syzkaller.appspot.com/bug?extid=950a0cdaa2fdd14f5bdc
<9> 160 Yes INFO: rcu detected stall in sys_clock_adjtime
https://syzkaller.appspot.com/bug?extid=25b7addb06e92c482190
<10> 101 No INFO: rcu detected stall in blkdev_release (3)
https://syzkaller.appspot.com/bug?extid=07d6f9c5d7633ed4a5c8

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