On Fri, 2016-01-29 at 11:24 -0800, Cong Wang wrote: > These two functions are called in sendmsg path, and the > 'len' is passed from user-space, so we should not allow > malicious users to OOM kernel on purpose. > > Reported-by: Dmitry Vyukov <dvyu...@google.com> > Cc: Lauro Ramos Venancio <lauro.venan...@openbossa.org> > Cc: Aloisio Almeida Jr <aloisio.alme...@openbossa.org> > Cc: Samuel Ortiz <sa...@linux.intel.com> > Signed-off-by: Cong Wang <xiyou.wangc...@gmail.com> > ---
Note that the issue is not OOM the kernel (as the allocation is attempted even after your patch), but having a way to spill stack traces in the syslog. Acked-by: Eric Dumazet <eduma...@google.com> Thanks!
