!9179 CVE-2021-47232

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Changzhong <zhangchangzhong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/34OY4PO6KBYV7RYBSQCB6GCXUNI456WF/ 
Oleksij Rempel (3):
  can: j1939: transport: add j1939_session_skb_find_by_offset() function
  can: j1939: transport: j1939_session_tx_dat(): fix use-after-free read
    in j1939_tp_txtimer()
  can: j1939: fix Use-after-Free, hold skb ref while in use


-- 
2.9.5
 
https://gitee.com/src-openeuler/kernel/issues/I9R4CE 
 
Link:https://gitee.com/openeuler/kernel/pulls/9179

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>