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SubjectRe: [PATCH 3/3] usb: mtu3: fix list_head check warning
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On Mon, 2021-12-13 at 15:19 +0100, Greg Kroah-Hartman wrote:
> On Thu, Dec 09, 2021 at 11:14:24AM +0800, Chunfeng Yun wrote:
> > This is caused by uninitialization of list_head.
> >
> > 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
> >
> > Reported-by: Yuwen Ng <yuwen.ng@mediatek.com>
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> > ---
> > drivers/usb/mtu3/mtu3_gadget.c | 1 +
> > 1 file changed, 1 insertion(+)
>
> What commit does this fix? Should it go to stable kernels?
I add it in next version, thanks
>
> thanks,
>
> greg k-h
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