Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-06-25 Thread Peter Robinson
On Mon, Jun 25, 2018 at 2:39 PM, Peter Robinson wrote: > Hi Daniel, > >> On 06/24/2018 11:24 AM, Peter Robinson wrote: > I'm seeing this netlink/sk_filter_trim_cap crash on ARMv7 across quite > a few ARMv7 platforms on Fedora with 4.18rc1. I've tested RPi2/RPi3 > (doesn't happen on aar

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-06-26 Thread Peter Robinson
Hi Daniel, >>> On 06/24/2018 11:24 AM, Peter Robinson wrote: >> I'm seeing this netlink/sk_filter_trim_cap crash on ARMv7 across quite >> a few ARMv7 platforms on Fedora with 4.18rc1. I've tested RPi2/RPi3 >> (doesn't happen on aarch64), AllWinner H3, BeagleBone and a few >> others

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-06-26 Thread Daniel Borkmann
On 06/26/2018 02:23 PM, Peter Robinson wrote: On 06/24/2018 11:24 AM, Peter Robinson wrote: >>> I'm seeing this netlink/sk_filter_trim_cap crash on ARMv7 across quite >>> a few ARMv7 platforms on Fedora with 4.18rc1. I've tested RPi2/RPi3 >>> (doesn't happen on aarch64), AllWinner

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-16 Thread Marc Haber
On Mon, Jun 25, 2018 at 05:41:27PM +0100, Peter Robinson wrote: > So with that and the other fix there was no improvement, with those > and the BPF JIT disabled it works, I'm not sure if the two patches > have any effect with the JIT disabled though. I can confirm the crash with the released 4.18.

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-16 Thread Russell King - ARM Linux
On Thu, Aug 16, 2018 at 10:35:16PM +0200, Marc Haber wrote: > On Mon, Jun 25, 2018 at 05:41:27PM +0100, Peter Robinson wrote: > > So with that and the other fix there was no improvement, with those > > and the BPF JIT disabled it works, I'm not sure if the two patches > > have any effect with the J

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Peter Robinson
On Thu, Aug 16, 2018 at 11:58 PM, Russell King - ARM Linux wrote: > On Thu, Aug 16, 2018 at 10:35:16PM +0200, Marc Haber wrote: >> On Mon, Jun 25, 2018 at 05:41:27PM +0100, Peter Robinson wrote: >> > So with that and the other fix there was no improvement, with those >> > and the BPF JIT disabled

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Daniel Borkmann
On 08/17/2018 02:25 PM, Peter Robinson wrote: > On Thu, Aug 16, 2018 at 11:58 PM, Russell King - ARM Linux > wrote: >> On Thu, Aug 16, 2018 at 10:35:16PM +0200, Marc Haber wrote: >>> On Mon, Jun 25, 2018 at 05:41:27PM +0100, Peter Robinson wrote: So with that and the other fix there was no im

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Peter Robinson
On Fri, Aug 17, 2018 at 1:40 PM, Daniel Borkmann wrote: > On 08/17/2018 02:25 PM, Peter Robinson wrote: >> On Thu, Aug 16, 2018 at 11:58 PM, Russell King - ARM Linux >> wrote: >>> On Thu, Aug 16, 2018 at 10:35:16PM +0200, Marc Haber wrote: On Mon, Jun 25, 2018 at 05:41:27PM +0100, Peter Robi

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Russell King - ARM Linux
On Fri, Aug 17, 2018 at 02:40:19PM +0200, Daniel Borkmann wrote: > I'd have one potential bug suspicion, for the 4.18 one you were trying, > could you run with the below patch to see whether it would help? I think this is almost certainly the problem - looking at the history, it seems that the "-4

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Daniel Borkmann
On 08/17/2018 06:17 PM, Russell King - ARM Linux wrote: > On Fri, Aug 17, 2018 at 02:40:19PM +0200, Daniel Borkmann wrote: >> I'd have one potential bug suspicion, for the 4.18 one you were trying, >> could you run with the below patch to see whether it would help? > > I think this is almost certa

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Stefan Wahren
Hi Daniel, > Daniel Borkmann hat am 17. August 2018 um 20:30 > geschrieben: > > > On 08/17/2018 06:17 PM, Russell King - ARM Linux wrote: > > On Fri, Aug 17, 2018 at 02:40:19PM +0200, Daniel Borkmann wrote: > >> I'd have one potential bug suspicion, for the 4.18 one you were trying, > >> could

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Peter Robinson
On Fri, Aug 17, 2018 at 5:17 PM, Russell King - ARM Linux wrote: > On Fri, Aug 17, 2018 at 02:40:19PM +0200, Daniel Borkmann wrote: >> I'd have one potential bug suspicion, for the 4.18 one you were trying, >> could you run with the below patch to see whether it would help? > > I think this is alm

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Peter Robinson
On Fri, Aug 17, 2018 at 7:30 PM, Daniel Borkmann wrote: > On 08/17/2018 06:17 PM, Russell King - ARM Linux wrote: >> On Fri, Aug 17, 2018 at 02:40:19PM +0200, Daniel Borkmann wrote: >>> I'd have one potential bug suspicion, for the 4.18 one you were trying, >>> could you run with the below patch t

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Peter Robinson
Hi Stefan, >> On 08/17/2018 06:17 PM, Russell King - ARM Linux wrote: >> > On Fri, Aug 17, 2018 at 02:40:19PM +0200, Daniel Borkmann wrote: >> >> I'd have one potential bug suspicion, for the 4.18 one you were trying, >> >> could you run with the below patch to see whether it would help? >> > >> >

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-08-17 Thread Daniel Borkmann
On 08/17/2018 11:13 PM, Peter Robinson wrote: > On Fri, Aug 17, 2018 at 7:30 PM, Daniel Borkmann wrote: >> On 08/17/2018 06:17 PM, Russell King - ARM Linux wrote: >>> On Fri, Aug 17, 2018 at 02:40:19PM +0200, Daniel Borkmann wrote: I'd have one potential bug suspicion, for the 4.18 one you we

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-07-04 Thread Peter Robinson
On Tue, Jun 26, 2018 at 1:52 PM, Daniel Borkmann wrote: > On 06/26/2018 02:23 PM, Peter Robinson wrote: > On 06/24/2018 11:24 AM, Peter Robinson wrote: I'm seeing this netlink/sk_filter_trim_cap crash on ARMv7 across quite a few ARMv7 platforms on Fedora with 4.18rc1. I've te

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-07-04 Thread Daniel Borkmann
On 07/04/2018 09:33 AM, Peter Robinson wrote: > On Tue, Jun 26, 2018 at 1:52 PM, Daniel Borkmann wrote: >> On 06/26/2018 02:23 PM, Peter Robinson wrote: >> On 06/24/2018 11:24 AM, Peter Robinson wrote: > I'm seeing this netlink/sk_filter_trim_cap crash on ARMv7 across quite > a

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-07-04 Thread Russell King - ARM Linux
Subject says offlist, but this isn't... On Wed, Jul 04, 2018 at 08:33:20AM +0100, Peter Robinson wrote: > Sorry for the delay on this from my end. I noticed there was some bpf > bits land in the last net fixes pull request landed Monday so I built > a kernel with the JIT reenabled. It seems it's i

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-07-05 Thread Russell King - ARM Linux
On Thu, Jul 05, 2018 at 12:41:54AM +0100, Russell King - ARM Linux wrote: > Subject says offlist, but this isn't... > > On Wed, Jul 04, 2018 at 08:33:20AM +0100, Peter Robinson wrote: > > Sorry for the delay on this from my end. I noticed there was some bpf > > bits land in the last net fixes pull

Re: [offlist] Re: Crash in netlink/sk_filter_trim_cap on ARMv7 on 4.18rc1

2018-07-05 Thread Daniel Borkmann
On 07/05/2018 09:31 AM, Russell King - ARM Linux wrote: > On Thu, Jul 05, 2018 at 12:41:54AM +0100, Russell King - ARM Linux wrote: >> Subject says offlist, but this isn't... >> >> On Wed, Jul 04, 2018 at 08:33:20AM +0100, Peter Robinson wrote: >>> Sorry for the delay on this from my end. I noticed