[syzbot] Monthly ext4 report (Aug 2024)

[syzbot] Monthly ext4 report (Aug 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, 40 issues are still open and 138 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  1284    Yes   kernel BUG in ext4_do_writepages
                   https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48
<2>  1159    Yes   INFO: task hung in sync_inodes_sb (5)
                   https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<3>  801     Yes   WARNING: locking bug in __ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
<4>  690     Yes   WARNING: locking bug in ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<5>  321     Yes   INFO: task hung in jbd2_journal_commit_transaction (5)
                   https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177
<6>  276     No    INFO: task hung in ext4_stop_mmpd
                   https://syzkaller.appspot.com/bug?extid=0dd5b81275fa083055d7
<7>  204     No    INFO: task hung in sb_start_write
                   https://syzkaller.appspot.com/bug?extid=fb3ada58a6c0a3208821
<8>  128     Yes   possible deadlock in ext4_xattr_inode_iget (3)
                   https://syzkaller.appspot.com/bug?extid=ee72b9a7aad1e5a77c5c
<9>  58      Yes   kernel BUG in ext4_write_inline_data_end (2)
                   https://syzkaller.appspot.com/bug?extid=0c89d865531d053abb2d
<10> 34      Yes   KMSAN: uninit-value in aes_encrypt (5)
                   https://syzkaller.appspot.com/bug?extid=aeb14e2539ffb6d21130

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

To disable reminders for individual bugs, reply with the following command:
#syz set <Ref> no-reminders

To change bug's subsystems, reply with:
#syz set <Ref> subsystems: new-subsystem

You may send multiple commands in a single email message.