Re: [PATCH net v3] gso: validate gso_type in GSO handlers

2018-01-22 Thread David Miller
From: Willem de Bruijn Date: Fri, 19 Jan 2018 09:29:18 -0500 > From: Willem de Bruijn > > Validate gso_type during segmentation as SKB_GSO_DODGY sources > may pass packets where the gso_type does not match the contents. > > Syzkaller was

Re: [PATCH net v3] gso: validate gso_type in GSO handlers

2018-01-22 Thread Marcelo Ricardo Leitner
On Fri, Jan 19, 2018 at 09:29:18AM -0500, Willem de Bruijn wrote: > From: Willem de Bruijn > > Validate gso_type during segmentation as SKB_GSO_DODGY sources > may pass packets where the gso_type does not match the contents. > > Syzkaller was able to enter the SCTP gso

Re: [PATCH net v3] gso: validate gso_type in GSO handlers

2018-01-21 Thread Jason Wang
On 2018年01月19日 22:29, Willem de Bruijn wrote: From: Willem de Bruijn Validate gso_type during segmentation as SKB_GSO_DODGY sources may pass packets where the gso_type does not match the contents. Syzkaller was able to enter the SCTP gso handler with a packet of gso_type

[PATCH net v3] gso: validate gso_type in GSO handlers

2018-01-19 Thread Willem de Bruijn
From: Willem de Bruijn Validate gso_type during segmentation as SKB_GSO_DODGY sources may pass packets where the gso_type does not match the contents. Syzkaller was able to enter the SCTP gso handler with a packet of gso_type SKB_GSO_TCPV4. On entry of transport layer gso