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From: "Danilo Krummrich" <dakr@kernel.org>
To: "Greg KH" <gregkh@linuxfoundation.org>
Cc: "Edward Adam Davis" <eadavis@qq.com>,
	<syzbot+b6445765657b5855e869@syzkaller.appspotmail.com>,
	<linux-fsdevel@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<rafael@kernel.org>, <syzkaller-bugs@googlegroups.com>
Subject: Re: [PATCH] USB: core: remove the move buf action
Date: Wed, 10 Sep 2025 12:09:38 +0200	[thread overview]
Message-ID: <DCP1E4UJ385D.JEXXJV4PPLJS@kernel.org> (raw)
In-Reply-To: <2025091007-stricken-relock-ef72@gregkh>

On Wed Sep 10, 2025 at 11:00 AM CEST, Greg KH wrote:
> On Wed, Sep 10, 2025 at 03:58:47PM +0800, Edward Adam Davis wrote:
>> The buffer size of sysfs is fixed at PAGE_SIZE, and the page offset
>> of the buf parameter of sysfs_emit_at() must be 0, there is no need
>> to manually manage the buf pointer offset.
>> 
>> Fixes: 711d41ab4a0e ("usb: core: Use sysfs_emit_at() when showing dynamic IDs")
>> Reported-by: syzbot+b6445765657b5855e869@syzkaller.appspotmail.com
>> Closes: https://syzkaller.appspot.com/bug?extid=b6445765657b5855e869
>> Tested-by: syzbot+b6445765657b5855e869@syzkaller.appspotmail.com
>> Signed-off-by: Edward Adam Davis <eadavis@qq.com>
>> ---
>>  drivers/usb/core/driver.c | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> While this fix looks correct, your cc: list is very odd as this is a
> linux-usb bug, not a driver core issue, right?

I think Edward derived the Cc: list from the recipients of the syzbot report
in [1].

Not sure how syzbot figures out the relevant recipients to send the report to
though. :)

[1] https://lore.kernel.org/all/68c118e8.a70a0220.3543fc.000e.GAE@google.com/

  parent reply	other threads:[~2025-09-10 10:09 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-10  6:21 [syzbot] [fs?] WARNING in sysfs_emit_at syzbot
2025-09-10  7:33 ` Edward Adam Davis
2025-09-10  7:58   ` syzbot
2025-09-10  7:58 ` [PATCH] USB: core: remove the move buf action Edward Adam Davis
2025-09-10  9:00   ` Greg KH
2025-09-10  9:57     ` Edward Adam Davis
2025-09-10 10:09     ` Danilo Krummrich [this message]
2025-09-10 11:00       ` Edward Adam Davis

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