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 <dvyukov@xxxxxxxxxx> > Cc: Lauro Ramos Venancio <lauro.venancio@xxxxxxxxxxxxx> > Cc: Aloisio Almeida Jr <aloisio.almeida@xxxxxxxxxxxxx> > Cc: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx> > Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx> > --- 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 <edumazet@xxxxxxxxxx> Thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
