Re: net: GPF in netlink_getsockbyportid

2016-01-25 Thread Pablo Neira Ayuso
On Mon, Jan 25, 2016 at 06:03:41PM +0800, Herbert Xu wrote: > On Sun, Jan 24, 2016 at 01:11:03AM +0100, Florian Westphal wrote: > > Daniel Borkmann wrote: > > > On 01/23/2016 08:25 PM, Florian Westphal wrote: > > > >Dmitry Vyukov wrote: > > > > > > > >[ CC nf-devel, not sure if its nfnetlink faul

Re: net: GPF in netlink_getsockbyportid

2016-01-25 Thread Herbert Xu
On Sun, Jan 24, 2016 at 01:11:03AM +0100, Florian Westphal wrote: > Daniel Borkmann wrote: > > On 01/23/2016 08:25 PM, Florian Westphal wrote: > > >Dmitry Vyukov wrote: > > > > > >[ CC nf-devel, not sure if its nfnetlink fault or NETLINK_MMAP ] > > > > > >>The following program causes GPF in netl

Re: net: GPF in netlink_getsockbyportid

2016-01-23 Thread Florian Westphal
Daniel Borkmann wrote: > On 01/23/2016 08:25 PM, Florian Westphal wrote: > >Dmitry Vyukov wrote: > > > >[ CC nf-devel, not sure if its nfnetlink fault or NETLINK_MMAP ] > > > >>The following program causes GPF in netlink_getsockbyportid: [..] > >CONFIG_NETLINK_MMAP and nfnetlink batching strike

Re: net: GPF in netlink_getsockbyportid

2016-01-23 Thread Daniel Borkmann
On 01/23/2016 08:25 PM, Florian Westphal wrote: Dmitry Vyukov wrote: [ CC nf-devel, not sure if its nfnetlink fault or NETLINK_MMAP ] The following program causes GPF in netlink_getsockbyportid: // autogenerated by syzkaller (http://github.com/google/syzkaller) #include #include #include

Re: net: GPF in netlink_getsockbyportid

2016-01-23 Thread Florian Westphal
Dmitry Vyukov wrote: [ CC nf-devel, not sure if its nfnetlink fault or NETLINK_MMAP ] > The following program causes GPF in netlink_getsockbyportid: > > // autogenerated by syzkaller (http://github.com/google/syzkaller) > #include > #include > #include > #include > #include > > int main()

net: GPF in netlink_getsockbyportid

2016-01-23 Thread Dmitry Vyukov
Hello, The following program causes GPF in netlink_getsockbyportid: // autogenerated by syzkaller (http://github.com/google/syzkaller) #include #include #include #include #include int main() { syscall(SYS_mmap, 0x2000ul, 0xe65000ul, 0x3ul, 0x32ul, 0xul