On Sat, Jan 20, 2018 at 1:19 AM, Guillaume Nault wrote:
> On Tue, Jan 16, 2018 at 04:21:40PM +0800, Xin Long wrote:
>> ipv4 tunnels don't really set dev->hard_header_len properly,
>> we may should fix it in pppoe by using needed_headroom,
>> as what it doesn't in arp_create.
>>
> I'm a bit in dou
On Tue, Jan 16, 2018 at 04:21:40PM +0800, Xin Long wrote:
> ipv4 tunnels don't really set dev->hard_header_len properly,
> we may should fix it in pppoe by using needed_headroom,
> as what it doesn't in arp_create.
>
I'm a bit in doubt about which device needs to be fixed. Should ip_gre
set ->har
On Tue, Jan 16, 2018 at 4:22 AM, syzbot
wrote:
> syzkaller has found reproducer for the following crash on
> b625c1ff82272e26c76570d3c7123419ec345b20
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console
On Sun, 2017-12-10 at 12:38 +0800, Xin Long wrote:
> On Sun, Dec 10, 2017 at 3:36 AM, Cong Wang
> wrote:
> > On Fri, Dec 8, 2017 at 12:45 AM, Xin Long
> > wrote:
> > > This isn't a sctp problem, but mld's, seems when lo's mtu became
> > > 0,
> > > it allocs a skb without enough space in add_grec(
On Sun, 2017-12-10 at 12:36 +0800, Xin Long wrote:
> The new patch works to me, just two questions:
> 1. should it use "idev->cnf.mtu6" here for mld ?
No idea why some parts of IPv6 would use a different view of device
mtu. Maybe others can comment.
>
> 2. 'if (int < unsigned int)' is still not
On Sun, Dec 10, 2017 at 3:36 AM, Cong Wang wrote:
> On Fri, Dec 8, 2017 at 12:45 AM, Xin Long wrote:
>> This isn't a sctp problem, but mld's, seems when lo's mtu became 0,
>> it allocs a skb without enough space in add_grec():
>
> Shouldn't we just set its min_mtu to ETH_MIN_MTU?
No idea why ther
On Sun, Dec 10, 2017 at 12:59 AM, Eric Dumazet wrote:
> On Sat, 2017-12-09 at 19:23 +0800, Xin Long wrote:
>> On Fri, Dec 8, 2017 at 4:45 PM, Xin Long
>> wrote:
>> > On Fri, Dec 8, 2017 at 4:16 PM, syzbot
>> > > > .com>
>> > wrote:
>> > > syzkaller has found reproducer for the following crash on
On Fri, Dec 8, 2017 at 12:45 AM, Xin Long wrote:
> This isn't a sctp problem, but mld's, seems when lo's mtu became 0,
> it allocs a skb without enough space in add_grec():
Shouldn't we just set its min_mtu to ETH_MIN_MTU?
On Sat, 2017-12-09 at 19:23 +0800, Xin Long wrote:
> On Fri, Dec 8, 2017 at 4:45 PM, Xin Long
> wrote:
> > On Fri, Dec 8, 2017 at 4:16 PM, syzbot
> > > .com>
> > wrote:
> > > syzkaller has found reproducer for the following crash on
> > > 82bcf1def3b5f1251177ad47c44f7e17af039b4b
> > > git://git.c
On Fri, Dec 8, 2017 at 4:45 PM, Xin Long wrote:
> On Fri, Dec 8, 2017 at 4:16 PM, syzbot
>
> wrote:
>> syzkaller has found reproducer for the following crash on
>> 82bcf1def3b5f1251177ad47c44f7e17af039b4b
>> git://git.cmpxchg.org/linux-mmots.git/master
>> compiler: gcc (GCC) 7.1.1 20170620
>> .co
On Fri, Dec 8, 2017 at 4:16 PM, syzbot
wrote:
> syzkaller has found reproducer for the following crash on
> 82bcf1def3b5f1251177ad47c44f7e17af039b4b
> git://git.cmpxchg.org/linux-mmots.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console output is attached.
>
> syzka
On Mon, Oct 30, 2017 at 10:36 PM, syzbot
wrote:
> Hello,
>
> syzkaller hit the following crash on
> c69fe407803d4b554b7397fad9598a04717ac255
> git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console output is
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