Messages in this thread | | | Date | Sun, 19 Dec 2021 13:14:25 +0300 | Subject | Re: [PATCH v2 3/4] usb: mtu3: fix list_head check warning | From | Sergei Shtylyov <> |
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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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