linux-kernel - Re: [syzbot] possible deadlock in evict (2)

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Message-ID: <YmGyYOLMT2/m1CrE@sol.localdomain>
Date:   Thu, 21 Apr 2022 12:37:04 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     syzbot <syzbot+e0fda9a3d66127dea5c2@...kaller.appspotmail.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] possible deadlock in evict (2)

On Thu, Apr 21, 2022 at 05:52:28AM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    a2c29ccd9477 Merge tag 'devicetree-fixes-for-5.18-2' of gi..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=13508568f00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=ac042ae170e2c50f
> dashboard link: https://syzkaller.appspot.com/bug?extid=e0fda9a3d66127dea5c2
> compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> 
> Unfortunately, I don't have any reproducer for this issue yet.
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+e0fda9a3d66127dea5c2@...kaller.appspotmail.com

Duplicate of https://lore.kernel.org/r/00000000000070395e05dd1fb4d7@google.com :

#syz dup: possible deadlock in fscrypt_initialize

This is an ext4 bug, and I've been planning to fix it; see
https://lore.kernel.org/r/YmC2epeJNChYxWB3@gmail.com

- Eric