[syzbot] Monthly ext4 report (Dec 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, 6 new issues were detected and 0 were fixed.
In total, 43 issues are still open and 148 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  18162   Yes   possible deadlock in dqget
                   https://syzkaller.appspot.com/bug?extid=6e493c165d26d6fcbf72
<2>  2131    Yes   INFO: task hung in sync_inodes_sb (5)
                   https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<3>  1774    Yes   INFO: task hung in jbd2_journal_commit_transaction (5)
                   https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177
<4>  1594    Yes   kernel BUG in ext4_do_writepages
                   https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48
<5>  923     Yes   WARNING: locking bug in ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<6>  581     Yes   KASAN: out-of-bounds Read in ext4_xattr_set_entry
                   https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1
<7>  189     Yes   WARNING: locking bug in get_page_from_freelist
                   https://syzkaller.appspot.com/bug?extid=5abecb17ba9299033d79
<8>  151     Yes   KMSAN: uninit-value in aes_encrypt (5)
                   https://syzkaller.appspot.com/bug?extid=aeb14e2539ffb6d21130
<9>  130     Yes   kernel BUG in ext4_write_inline_data_end (2)
                   https://syzkaller.appspot.com/bug?extid=0c89d865531d053abb2d
<10> 104     No    KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3)
                   https://syzkaller.appspot.com/bug?extid=35257a2200785ea628f5

---
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