Re: [PATCH] usbnet: ipheth: fix potential recvmsg bug and recvmsg bug 2

2018-11-27 Thread David Miller
From: Bernd Eckstein <3erndeckst...@gmail.com> Date: Fri, 23 Nov 2018 13:51:26 +0100 > The bug is not easily reproducable, as it may occur very infrequently > (we had machines with 20minutes heavy downloading before it occurred) > However, on a virual machine (VMWare on Windows 10 host) it occurre

Re: [PATCH] usbnet: ipheth: fix potential recvmsg bug and recvmsg bug 2

2018-11-23 Thread Yves-Alexis Perez
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On Fri, 2018-11-23 at 13:51 +0100, Bernd Eckstein wrote: > This causes the following problems: > - double free of the skb or potential memory leak > - in dmesg: 'recvmsg bug' and 'recvmsg bug 2' and eventually > general protection fault For what i

[PATCH] usbnet: ipheth: fix potential recvmsg bug and recvmsg bug 2

2018-11-23 Thread Bernd Eckstein
The bug is not easily reproducable, as it may occur very infrequently (we had machines with 20minutes heavy downloading before it occurred) However, on a virual machine (VMWare on Windows 10 host) it occurred pretty frequently (1-2 seconds after a speedtest was started) dev->tx_skb mab be freed vi