Hello, On 26/11/12 17:51, J. Bruce Fields wrote: >> What exactly is the problem with the current code? >> > >> > client_resolve() can return a NULL in some cases. Why is it OK to >> > pass a NULL "ai" to client_compose() ? Looks like that can result in >> > a mountd segfault. > Bah, I thought I'd checked this and found it was prepared to handle > that, but no: > > client_check->check_wildcard() > > looks like it can oops. Yeah... added client_check->check_netgroup() to this list... > > OK, I'll take another look. A simply check that ai is not null when calling client_compose() should work.. > >> > The kernel won't get any downcall reply in that >> > case! Is that what you are trying to fix? >> > >> > WRT my original objection: In general I don't see how to make it >> > impossible for mountd to fail. > Sure, but mountd is required for the server to function, so it's just a > question of how we fail. > >> > Thus the kernel needs to be better about recovering when mountd >> > suddenly disappears. > Currently it drops and lets the client retry. I suspect that's the > correct thing to do, but alternatives are welcomed. This one things I didn't see happen... the client retrying... expected it would... steved. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html