On 11/6/17 5:56 AM, Vasily Averin wrote: > On 2017-11-05 15:48, David Miller wrote: >> From: Vasily Averin <v...@virtuozzo.com> >>> I doubt that pointer to freed net have value for someone except >>> developers, on the other hand it helps to speed up the problem >>> investigation. >> >> Any kernel pointer printed has value to attackers. > > David, could you please advise how to identify net namespace in kernel > messages? > > In OpenVz we got many requests from host admins, they need to understand > which container triggered the message. In such cases we have added our custom > Container Id, but mainline lacks it. > > I expected that mainline can use net pointer for such purposes, > nfsd does it for example: > > NFSD: starting 90-second grace period (net ffff880e307fe240) > > Now you recommend do not use net pointer. > However could you please advise some alternative? >
Perf now exports the device and inode. see perf_ns_link_info and its use.
