[syzbot] Monthly ext4 report (Feb 2024)

[syzbot]

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, 4 new issues were detected and 0 were fixed.
In total, 32 issues are still open and 122 have been fixed so far.
There is also 1 low-priority issue.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 7985    Yes   WARNING: locking bug in ext4_move_extents
                  https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad
<2> 664     Yes   WARNING: locking bug in __ext4_ioctl
                  https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
<3> 346     Yes   WARNING: locking bug in ext4_ioctl
                  https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<4> 166     No    possible deadlock in evict (3)
                  https://syzkaller.appspot.com/bug?extid=dd426ae4af71f1e74729
<5> 148     Yes   INFO: task hung in sync_inodes_sb (5)
                  https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<6> 69      No    WARNING in ext4_write_inode (2)
                  https://syzkaller.appspot.com/bug?extid=748cc361874fca7d33cc
<7> 19      No    possible deadlock in start_this_handle (4)
                  https://syzkaller.appspot.com/bug?extid=cf0b4280f19be4031cf2
<8> 18      No    possible deadlock in ext4_da_get_block_prep
                  https://syzkaller.appspot.com/bug?extid=a86b193140e10df1aff2
<9> 1       Yes   kernel BUG in set_blocksize
                  https://syzkaller.appspot.com/bug?extid=4bfc572b93963675a662

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