Re: [syzbot] Monthly ext4 report (May 2023)

Baokun Li
2023-06-01T02:09:03Z

On 2023/5/30 20:38, syzbot wrote:
> 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, 3 new issues were detected and 10 were fixed.
> In total, 46 issues are still open and 106 have been fixed so far.
>
> Some of the still happening issues:
>
> Ref Crashes Repro Title
> <1> 124 Yes kernel BUG in ext4_do_writepages
> https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48
> <2> 48 No WARNING in ext4_write_inode (2)
> https://syzkaller.appspot.com/bug?extid=748cc361874fca7d33cc
> <3> 8 Yes WARNING in ext4_da_update_reserve_space (2)
> https://syzkaller.appspot.com/bug?extid=a1232eabd7a3d43d4fb5
> <4> 8 Yes kernel BUG in __ext4_journal_stop
> https://syzkaller.appspot.com/bug?extid=bdab24d5bf96d57c50b0
> <5> 7 Yes kernel BUG in ext4_write_inline_data
> https://syzkaller.appspot.com/bug?extid=f4582777a19ec422b517
>
> ---
>

Hello, Theodore!

Patch "[PATCH v2] ext4: fix race condition between buffer write and
page_mkwrite​"
in maillist fixes issues <1>,<4>,<5>.

Patch set "[PATCH v4 00/12] ext4: fix WARNING in
ext4_da_update_reserve_space"
in maillist fixes issues <3>.

These patches have been reviewed, could you have time to merge them in?
I would appreciate it if you could.

Thanks!