[syzbot] Monthly ext4 report (Dec 2023)

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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, 8 new issues were detected and 0 were fixed.
In total, 61 issues are still open and 115 have been fixed so far.
There are also 2 low-priority issues.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  51616   Yes   possible deadlock in console_flush_all (2)
                   https://syzkaller.appspot.com/bug?extid=f78380e4eae53c64125c
<2>  6748    Yes   WARNING: locking bug in ext4_move_extents
                   https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad
<3>  546     Yes   WARNING: locking bug in __ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
<4>  247     Yes   WARNING: locking bug in ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<5>  152     No    possible deadlock in evict (3)
                   https://syzkaller.appspot.com/bug?extid=dd426ae4af71f1e74729
<6>  115     Yes   INFO: task hung in sync_inodes_sb (5)
                   https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<7>  47      No    KASAN: slab-use-after-free Read in check_igot_inode
                   https://syzkaller.appspot.com/bug?extid=741810aea4ac24243b2f
<8>  32      Yes   kernel BUG in ext4_write_inline_data_end
                   https://syzkaller.appspot.com/bug?extid=198e7455f3a4f38b838a
<9>  16      Yes   possible deadlock in ext4_xattr_inode_iget (2)
                   https://syzkaller.appspot.com/bug?extid=352d78bd60c8e9d6ecdc
<10> 13      Yes   kernel BUG in ext4_enable_quotas
                   https://syzkaller.appspot.com/bug?extid=693985588d7a5e439483

---
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