Steven Rostedt (VMware) <rost...@goodmis.org> wrote: > Since the nfct and nfctinfo have been combined, the nf_conn structure > must be at least 8 bytes aligned, as the 3 LSB bits are used for the > nfctinfo. But there's a fake nf_conn structure to denote untracked > connections, which is created by a PER_CPU construct. This does not > guarantee that it will be 8 bytes aligned and can break the logic in > determining the correct nfctinfo. > > I triggered this on a 32bit machine with the following error: [..]
Ugh. Originally I had planned to also submit followup changes to get rid of the untracked objects but that part got delayed. > By using DEFINE/DECLARE_PER_CPU_ALIGNED we can enforce at least 8 byte > alignment as all cache line sizes are at least 8 bytes or more. Thanks for fixing this! Acked-by: Florian Westphal <f...@strlen.de>