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
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MBR, Sergey