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@xxxxxxxxxxxxxxx
Reported-by: Yuwen Ng <yuwen.ng@xxxxxxxxxxxx>
Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
[...]
MBR, Sergey
