[syzbot] Monthly ext4 report (Mar 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, 1 new issues were detected and 0 were fixed.
In total, 24 issues are still open and 130 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  8629    Yes   WARNING: locking bug in ext4_move_extents
                   https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad
<2>  697     Yes   WARNING: locking bug in __ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
<3>  401     Yes   WARNING: locking bug in ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<4>  173     No    possible deadlock in evict (3)
                   https://syzkaller.appspot.com/bug?extid=dd426ae4af71f1e74729
<5>  81      No    WARNING in ext4_write_inode (2)
                   https://syzkaller.appspot.com/bug?extid=748cc361874fca7d33cc
<6>  23      No    possible deadlock in ext4_da_get_block_prep
                   https://syzkaller.appspot.com/bug?extid=a86b193140e10df1aff2
<7>  22      No    possible deadlock in start_this_handle (4)
                   https://syzkaller.appspot.com/bug?extid=cf0b4280f19be4031cf2
<8>  18      Yes   INFO: rcu detected stall in sys_unlink (3)
                   https://syzkaller.appspot.com/bug?extid=c4f62ba28cc1290de764
<9>  18      Yes   kernel BUG in __ext4_journal_stop
                   https://syzkaller.appspot.com/bug?extid=bdab24d5bf96d57c50b0
<10> 7       Yes   kernel BUG in ext4_write_inline_data_end (2)
                   https://syzkaller.appspot.com/bug?extid=0c89d865531d053abb2d

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