Evgeniy Polyakov wrote: > On Wed, Apr 18, 2007 at 12:16:18PM +0400, Pavel Emelianov ([EMAIL PROTECTED]) > wrote: >> Sorry, I forgot to put netdev and David in Cc when I first sent it. >> >> There is a race between netlink_dump_start() and netlink_release() >> that can lead to the situation when a netlink socket with non-zero >> callback is freed. > > Out of curiosity, why not to fix a netlink_dump_start() to remove > callback in error path, since in 'no-error' path it removes it in
Error path is not relevant here. The problem is that we keep a calback on a socket that is about to be freed. > netlink_dump(). > > And, btw, can release method be called while socket is being used, I > thought about proper reference counters should prevent this, but not > 100% sure with RCU dereferencing of the descriptor. > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
