[syzbot] Monthly ext4 report (Jan 2024)

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Hello ext4 maintainers/developers,

This is a 31-day syzbot report for the ext4 subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/ext4

During the period, 1 new issues were detected and 0 were fixed.
In total, 35 issues are still open and 116 have been fixed so far.
There are also 2 low-priority issues.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  7311    Yes   WARNING: locking bug in ext4_move_extents
                   https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad
<2>  597     Yes   WARNING: locking bug in __ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
<3>  293     Yes   WARNING: locking bug in ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<4>  155     No    possible deadlock in evict (3)
                   https://syzkaller.appspot.com/bug?extid=dd426ae4af71f1e74729
<5>  132     Yes   INFO: task hung in sync_inodes_sb (5)
                   https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<6>  78      Yes   INFO: rcu detected stall in clock_adjtime (2)
                   https://syzkaller.appspot.com/bug?extid=628d3507228ad7472be1
<7>  22      Yes   possible deadlock in ext4_xattr_inode_iget (2)
                   https://syzkaller.appspot.com/bug?extid=352d78bd60c8e9d6ecdc
<8>  17      Yes   INFO: rcu detected stall in sys_unlink (3)
                   https://syzkaller.appspot.com/bug?extid=c4f62ba28cc1290de764
<9>  17      Yes   kernel BUG in __ext4_journal_stop
                   https://syzkaller.appspot.com/bug?extid=bdab24d5bf96d57c50b0
<10> 16      Yes   kernel BUG in ext4_enable_quotas
                   https://syzkaller.appspot.com/bug?extid=693985588d7a5e439483

---
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