[syzbot] Monthly reiserfs report (Dec 2023)

[syzbot]

Hello reiserfs maintainers/developers,

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

During the period, 5 new issues were detected and 0 were fixed.
In total, 88 issues are still open and 17 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  40685   Yes   KASAN: null-ptr-deref Read in do_journal_end (2)
                   https://syzkaller.appspot.com/bug?extid=845cd8e5c47f2a125683
<2>  6321    Yes   possible deadlock in open_xa_dir
                   https://syzkaller.appspot.com/bug?extid=8fb64a61fdd96b50f3b8
<3>  2995    No    KASAN: slab-out-of-bounds Read in search_by_key (2)
                   https://syzkaller.appspot.com/bug?extid=b3b14fb9f8a14c5d0267
<4>  1621    Yes   kernel BUG at fs/reiserfs/journal.c:LINE!
                   https://syzkaller.appspot.com/bug?extid=6820505ae5978f4f8f2f
<5>  1388    Yes   possible deadlock in mnt_want_write_file
                   https://syzkaller.appspot.com/bug?extid=1047e42179f502f2b0a2
<6>  1246    Yes   WARNING in reiserfs_lookup
                   https://syzkaller.appspot.com/bug?extid=392ac209604cc18792e5
<7>  967     No    KMSAN: uninit-value in reiserfs_new_inode (2)
                   https://syzkaller.appspot.com/bug?extid=6450929faa7a97cd42d1
<8>  402     Yes   possible deadlock in reiserfs_ioctl
                   https://syzkaller.appspot.com/bug?extid=79c303ad05f4041e0dad
<9>  380     Yes   WARNING in journal_end
                   https://syzkaller.appspot.com/bug?extid=d43f346675e449548021
<10> 349     Yes   possible deadlock in reiserfs_dirty_inode
                   https://syzkaller.appspot.com/bug?extid=c319bb5b1014113a92cf

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