[syzbot] Monthly ext4 report (Jun 2024)

From: syzbot
Date: Fri Jun 14 2024 - 04:15:06 EST


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, 38 issues are still open and 134 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 9744 Yes WARNING: locking bug in ext4_move_extents
https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad
<2> 767 Yes WARNING: locking bug in __ext4_ioctl
https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
<3> 547 Yes WARNING: locking bug in ext4_ioctl
https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<4> 491 Yes INFO: task hung in sync_inodes_sb (5)
https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<5> 452 No possible deadlock in evict (3)
https://syzkaller.appspot.com/bug?extid=dd426ae4af71f1e74729
<6> 265 Yes KMSAN: uninit-value in ext4_inlinedir_to_tree
https://syzkaller.appspot.com/bug?extid=eaba5abe296837a640c0
<7> 248 Yes WARNING in __fortify_report
https://syzkaller.appspot.com/bug?extid=50835f73143cc2905b9e
<8> 226 No possible deadlock in __ext4_mark_inode_dirty (3)
https://syzkaller.appspot.com/bug?extid=72c7e5a0d9f5901e864e
<9> 155 Yes INFO: task hung in jbd2_journal_commit_transaction (5)
https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177
<10> 32 Yes kernel BUG in ext4_write_inline_data_end (2)
https://syzkaller.appspot.com/bug?extid=0c89d865531d053abb2d

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