linux-kernel - Re: [syzbot] [btrfs?] possible deadlock in btrfs_read_chunk

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Message-ID: <ac0d17a3-34c6-41a4-9bb8-ad9f3900c809@suse.com>
Date: Thu, 26 Jun 2025 18:10:51 +0930
From: Qu Wenruo <wqu@...e.com>
To: syzbot <syzbot+fa90fcaa28f5cd4b1fc1@...kaller.appspotmail.com>,
 clm@...com, dsterba@...e.com, josef@...icpanda.com,
 linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
 quwenruo.btrfs@....com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [btrfs?] possible deadlock in btrfs_read_chunk_tree

#syz test: https://github.com/adam900710/linux.git shutdown

在 2025/6/26 16:07, syzbot 写道:
> Hello,
> 
> syzbot tried to test the proposed patch but the build/boot failed:
> 
> fs/btrfs/ioctl.c:5417:1: error: function definition is not allowed here
> fs/btrfs/ioctl.c:5430:7: error: expected '}'
> 
> 
> Tested on:
> 
> commit:         86186e83 btrfs: implement remove_bdev super operation ..
> git tree:       https://github.com/adam900710/linux.git shutdown
> kernel config:  https://syzkaller.appspot.com/x/.config?x=58afc4b78b52b7e3
> dashboard link: https://syzkaller.appspot.com/bug?extid=fa90fcaa28f5cd4b1fc1
> compiler:       Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
> 
> Note: no patches were applied.