On Mon, 2018-01-01 at 15:24 +0100, Greg Kroah-Hartman wrote: > 4.4-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Shaohua Li <shli@xxxxxx> > > > [ Upstream commit 513674b5a2c9c7a67501506419da5c3c77ac6f08 ] [...] > Note, this changes behavior a little bit. Before commit 42240901f7c4 > (ipv6: Implement different admin modes for automatic flow labels), the > autoflowlabel behavior of a sock isn't sticky, eg, if sysctl changes, > existing connection will change autoflowlabel behavior. After that > commit, autoflowlabel behavior is sticky in the whole life of the sock. > With this patch, the behavior isn't sticky again. [...] I think the getsockopt() handling for IPV6_AUTOFLOWLABEL also needs to be updated, as it will now return 0 unless the option has been explicitly set. Ben. -- Ben Hutchings Software Developer, Codethink Ltd.