On Sun, Oct 29, 2017 at 09:39:30PM +0100, Stephan Müller wrote: > Am Mittwoch, 25. Oktober 2017, 17:26:31 CET schrieb Romain Izard: > > Hi Romain, > > the patch below should cover the issue you see. Would you mind testing it? > > Thanks > Stephan > > ---8<--- > > The code paths protected by the socket-lock do not use or modify the > socket in a non-atomic fashion. The actions pertaining the socket do not > even need to be handled as an atomic operation. Thus, the socket-lock > can be safely ignored. Are you sure about that? In particular is the callback function still sane without the socket lock if a concurrent recvmsg/sendmsg call is made? Your fixes header is wrong too as the locks weren't introduced in that commit, they just got moved around. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt