linux-kernel - Re: [syzbot] [xfs?] INFO: task hung in __fdget

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Message-ID: <ZPQYyMBFmqrfqafL@dread.disaster.area>
Date:   Sun, 3 Sep 2023 15:25:28 +1000
From:   Dave Chinner <david@...morbit.com>
To:     syzbot <syzbot+e245f0516ee625aaa412@...kaller.appspotmail.com>
Cc:     brauner@...nel.org, djwong@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-xfs@...r.kernel.org, llvm@...ts.linux.dev, nathan@...nel.org,
        ndesaulniers@...gle.com, syzkaller-bugs@...glegroups.com,
        trix@...hat.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [xfs?] INFO: task hung in __fdget_pos (4)

On Sat, Sep 02, 2023 at 09:11:34PM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    b97d64c72259 Merge tag '6.6-rc-smb3-client-fixes-part1' of..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=14136d8fa80000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=958c1fdc38118172
> dashboard link: https://syzkaller.appspot.com/bug?extid=e245f0516ee625aaa412
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> 
> Unfortunately, I don't have any reproducer for this issue yet.

Been happening for months, apparently, yet for some reason it now
thinks a locking hang in __fdget_pos() is an XFS issue?

#syz set subsystems: fs

-- 
Dave Chinner
david@...morbit.com