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Date: Mon, 13 Apr 2020 09:01:58 +0300 From: Rémi Denis-Courmont <remi@...lab.net> To: Vito Caputo <vcaputo@...garu.com> Cc: netdev@...r.kernel.org, courmisch@...il.com, davem@...emloft.net, kuba@...nel.org, linux-kernel@...r.kernel.org Subject: Re: kernel BUG at net/phonet/socket.c:LINE! Le maanantaina 13. huhtikuuta 2020, 8.49.14 EEST Vito Caputo a écrit : > > If we are to distinguish the two error scenarii, then it's the rebind > > case > > that needs a different error, but EINVAL is consistent with INET. > > Isn't the existing code is bugged if treating -EINVAL as valid and a rebind? > > The invalid size will return a NULL sobject but -EINVAL, triggering the > BUG_ON. How do you pass an invalid size? It's a constant `sizeof(struct sockaddr_pn)` in that code path. -- Rémi Denis-Courmont Tapiolan uusi kaupunki, Uudenmaan tasavalta
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