[syzbot] Monthly ext4 report (Sep 2024)

From: syzbot
Date: Mon Sep 16 2024 - 08:27:47 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, 7 new issues were detected and 0 were fixed.
In total, 38 issues are still open and 140 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 11122 Yes WARNING: locking bug in ext4_move_extents
https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad
<2> 1321 Yes kernel BUG in ext4_do_writepages
https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48
<3> 1251 Yes INFO: task hung in sync_inodes_sb (5)
https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<4> 807 Yes WARNING: locking bug in __ext4_ioctl
https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
<5> 768 Yes WARNING: locking bug in ext4_ioctl
https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<6> 489 No INFO: task hung in sb_start_write
https://syzkaller.appspot.com/bug?extid=fb3ada58a6c0a3208821
<7> 459 No INFO: task hung in ext4_stop_mmpd
https://syzkaller.appspot.com/bug?extid=0dd5b81275fa083055d7
<8> 342 Yes INFO: task hung in jbd2_journal_commit_transaction (5)
https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177
<9> 167 Yes possible deadlock in ext4_xattr_inode_iget (3)
https://syzkaller.appspot.com/bug?extid=ee72b9a7aad1e5a77c5c
<10> 64 Yes kernel BUG in ext4_write_inline_data_end (2)
https://syzkaller.appspot.com/bug?extid=0c89d865531d053abb2d

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