Re: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

2018-06-07 Thread Jakub Kicinski
CC: Andrey On Thu, 7 Jun 2018 17:53:35 -0700, David Ahern wrote: > On 6/7/18 5:49 PM, Jakub Kicinski wrote: > > On Thu, 7 Jun 2018 17:28:59 -0700, Eric Dumazet wrote: > >> On 06/07/2018 05:11 PM, David Miller wrote: > >>> From: Jakub Kicinski > >>> Date: Thu, 7 Jun 2018 17:06:23 -0700 > >>>

Re: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

2018-06-07 Thread David Ahern
On 6/7/18 5:49 PM, Jakub Kicinski wrote: > On Thu, 7 Jun 2018 17:28:59 -0700, Eric Dumazet wrote: >> On 06/07/2018 05:11 PM, David Miller wrote: >>> From: Jakub Kicinski >>> Date: Thu, 7 Jun 2018 17:06:23 -0700 >>> [ 293.213661] ip_send_unicast_reply+0x1b67/0x1d0e >>> >>> This calls ip

Re: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

2018-06-07 Thread Jakub Kicinski
On Thu, 7 Jun 2018 17:28:59 -0700, Eric Dumazet wrote: > On 06/07/2018 05:11 PM, David Miller wrote: > > From: Jakub Kicinski > > Date: Thu, 7 Jun 2018 17:06:23 -0700 > > > >> [ 293.213661] ip_send_unicast_reply+0x1b67/0x1d0e > > > > This calls ip_setup_cork() which can NULL out the 'rt' r

Re: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

2018-06-07 Thread Eric Dumazet
On 06/07/2018 05:11 PM, David Miller wrote: > From: Jakub Kicinski > Date: Thu, 7 Jun 2018 17:06:23 -0700 > >> [ 293.213661] ip_send_unicast_reply+0x1b67/0x1d0e > > This calls ip_setup_cork() which can NULL out the 'rt' route > pointer. Hmmm... :-/ > UBSAN seems unhappy with dst being

Re: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

2018-06-07 Thread David Miller
From: Jakub Kicinski Date: Thu, 7 Jun 2018 17:06:23 -0700 > [ 293.213661] ip_send_unicast_reply+0x1b67/0x1d0e This calls ip_setup_cork() which can NULL out the 'rt' route pointer. Hmmm... :-/

Re: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

2018-06-07 Thread Jakub Kicinski
On Tue, 8 May 2018 08:52:35 -0600, David Ahern wrote: > On 5/7/18 10:12 PM, David Miller wrote: > > From: Stephen Hemminger > > Date: Mon, 7 May 2018 10:34:00 -0700 > > > >> Subject: [Bug 199643] New: UBSAN: Undefined behaviour in > >> ./include/net/r

Re: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

2018-05-08 Thread David Ahern
On 5/7/18 10:12 PM, David Miller wrote: > From: Stephen Hemminger > Date: Mon, 7 May 2018 10:34:00 -0700 > >> Subject: [Bug 199643] New: UBSAN: Undefined behaviour in >> ./include/net/route.h:240:2 > > That's an empty line in both of my trees. > In 4.16.

Re: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

2018-05-07 Thread David Miller
From: Stephen Hemminger Date: Mon, 7 May 2018 10:34:00 -0700 > Subject: [Bug 199643] New: UBSAN: Undefined behaviour in > ./include/net/route.h:240:2 That's an empty line in both of my trees.

Fw: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

2018-05-07 Thread Stephen Hemminger
Begin forwarded message: Date: Mon, 07 May 2018 16:36:49 + From: bugzilla-dae...@bugzilla.kernel.org To: step...@networkplumber.org Subject: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2 https://bugzilla.kernel.org/show_bug.cgi?id=199643 Bug ID