From: Sergei Shtylyov <sergei.shtylyov@gmail.com>
To: Chunfeng Yun <chunfeng.yun@mediatek.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
Felipe Balbi <felipe.balbi@linux.intel.com>,
linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
Eddie Hung <eddie.hung@mediatek.com>,
stable@vger.kernel.org, Yuwen Ng <yuwen.ng@mediatek.com>
Subject: Re: [PATCH v2 3/4] usb: mtu3: fix list_head check warning
Date: Sun, 19 Dec 2021 13:14:25 +0300 [thread overview]
Message-ID: <64b9453a-84c5-8d41-26d5-698d1ae9d473@gmail.com> (raw)
In-Reply-To: <20211218095749.6250-3-chunfeng.yun@mediatek.com>
On 18.12.2021 12:57, Chunfeng Yun wrote:
> This is caused by uninitialization of list_head.
Again, there's no such word as "uninitialization" (even if it existed, it
wouldn't mean what you wanted to say); please replace by "not initializing".
> BUG: KASAN: use-after-free in __list_del_entry_valid+0x34/0xe4
>
> Call trace:
> dump_backtrace+0x0/0x298
> show_stack+0x24/0x34
> dump_stack+0x130/0x1a8
> print_address_description+0x88/0x56c
> __kasan_report+0x1b8/0x2a0
> kasan_report+0x14/0x20
> __asan_load8+0x9c/0xa0
> __list_del_entry_valid+0x34/0xe4
> mtu3_req_complete+0x4c/0x300 [mtu3]
> mtu3_gadget_stop+0x168/0x448 [mtu3]
> usb_gadget_unregister_driver+0x204/0x3a0
> unregister_gadget_item+0x44/0xa4
>
> Fixes: 83374e035b62 ("usb: mtu3: add tracepoints to help debug")
> Cc: stable@vger.kernel.org
> Reported-by: Yuwen Ng <yuwen.ng@mediatek.com>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
[...]
MBR, Sergey
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next prev parent reply other threads:[~2021-12-19 10:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-18 9:57 [PATCH v2 1/4] usb: mtu3: fix interval value for intr and isoc Chunfeng Yun
2021-12-18 9:57 ` [PATCH v2 2/4] usb: mtu3: add memory barrier before set GPD's HWO Chunfeng Yun
2021-12-18 9:57 ` [PATCH v2 3/4] usb: mtu3: fix list_head check warning Chunfeng Yun
2021-12-19 10:14 ` Sergei Shtylyov [this message]
2021-12-19 10:40 ` Greg Kroah-Hartman
2021-12-19 11:00 ` Sergei Shtylyov
2021-12-21 6:16 ` Chunfeng Yun
2021-12-18 9:57 ` [PATCH v2 4/4] usb: mtu3: set interval of FS intr and isoc endpoint Chunfeng Yun
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