[syzbot] Monthly fs report (Dec 2023)

[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, 10 new issues were detected and 1 were fixed.
In total, 93 issues are still open and 329 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  400     Yes   BUG: sleeping function called from invalid context in bdev_getblk
                   https://syzkaller.appspot.com/bug?extid=51c61e2b1259fcd64071
<2>  359     Yes   BUG: sleeping function called from invalid context in __bread_gfp
                   https://syzkaller.appspot.com/bug?extid=5869fb71f59eac925756
<3>  261     No    KASAN: slab-use-after-free Read in __ext4_iget
                   https://syzkaller.appspot.com/bug?extid=5407ecf3112f882d2ef3
<4>  178     Yes   INFO: task hung in user_get_super (2)
                   https://syzkaller.appspot.com/bug?extid=ba09f4a317431df6cddf
<5>  54      Yes   INFO: task hung in filename_create (4)
                   https://syzkaller.appspot.com/bug?extid=72c5cf124089bc318016
<6>  44      Yes   INFO: rcu detected stall in sys_clock_adjtime
                   https://syzkaller.appspot.com/bug?extid=25b7addb06e92c482190
<7>  42      Yes   UBSAN: shift-out-of-bounds in minix_statfs
                   https://syzkaller.appspot.com/bug?extid=5ad0824204c7bf9b67f2
<8>  25      Yes   INFO: task hung in synchronize_rcu (4)
                   https://syzkaller.appspot.com/bug?extid=222aa26d0a5dbc2e84fe
<9>  11      Yes   KASAN: use-after-free Read in sysv_new_block
                   https://syzkaller.appspot.com/bug?extid=eda782c229b243c648e9
<10> 9       Yes   UBSAN: shift-out-of-bounds in befs_check_sb
                   https://syzkaller.appspot.com/bug?extid=fc26c366038b54261e53

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