Applied the patch to my test tree. I will tell you the result a few days later. Thank you.
On 2016/10/17 2:50, Cong Wang wrote: > On Sun, Oct 16, 2016 at 6:34 AM, Baozeng Ding <splovi...@gmail.com> wrote: >> Possible unsafe locking scenario: >> >> CPU0 CPU1 >> ---- ---- >> lock([ 165.136033] sk_lock-AF_INET6 >> ); >> lock([ 165.136033] rtnl_mutex >> ); >> lock([ 165.136033] sk_lock-AF_INET6 >> ); >> lock([ 165.136033] rtnl_mutex >> ); >> >> *** DEADLOCK *** > > This is caused by the conditional rtnl locking in do_ipv6_setsockopt(). > It looks like we miss the case of IPV6_ADDRFORM. > > Please try the attached patch. >
