[syzbot] Monthly ext4 report (Jul 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, 6 new issues were detected and 0 were fixed.
In total, 39 issues are still open and 134 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  893     Yes   INFO: task hung in sync_inodes_sb (5)
                   https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<2>  784     Yes   WARNING: locking bug in __ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
<3>  595     Yes   WARNING: locking bug in ext4_ioctl
                   https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<4>  237     Yes   INFO: task hung in jbd2_journal_commit_transaction (5)
                   https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177
<5>  120     No    WARNING in ext4_fileattr_get
                   https://syzkaller.appspot.com/bug?extid=d6a7a43c85606b87babd
<6>  111     Yes   possible deadlock in ext4_xattr_inode_iget (3)
                   https://syzkaller.appspot.com/bug?extid=ee72b9a7aad1e5a77c5c
<7>  66      No    INFO: task hung in ext4_stop_mmpd
                   https://syzkaller.appspot.com/bug?extid=0dd5b81275fa083055d7
<8>  47      Yes   kernel BUG in ext4_write_inline_data_end (2)
                   https://syzkaller.appspot.com/bug?extid=0c89d865531d053abb2d
<9>  31      Yes   INFO: rcu detected stall in sys_unlink (3)
                   https://syzkaller.appspot.com/bug?extid=c4f62ba28cc1290de764
<10> 30      Yes   WARNING in fscrypt_fname_siphash
                   https://syzkaller.appspot.com/bug?extid=340581ba9dceb7e06fb3

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