Re: [PATCH v2 3/4] usb: mtu3: fix list_head check warning

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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



[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux