Re: [PATCH net] bpf: fix verifier memory corruption

2015-04-16 Thread David Miller
From: Alexei Starovoitov Date: Tue, 14 Apr 2015 15:57:13 -0700 > Due to missing bounds check the DAG pass of the BPF verifier can corrupt > the memory which can cause random crashes during program loading: > > [8.449451] BUG: unable to handle kernel paging request at > [8.451293

Re: [PATCH net] bpf: fix verifier memory corruption

2015-04-15 Thread Daniel Borkmann
On 04/15/2015 12:57 AM, Alexei Starovoitov wrote: Due to missing bounds check the DAG pass of the BPF verifier can corrupt the memory which can cause random crashes during program loading: [8.449451] BUG: unable to handle kernel paging request at [8.451293] IP: [] kmem_cache_all

Re: [PATCH net] bpf: fix verifier memory corruption

2015-04-15 Thread Hannes Frederic Sowa
On Wed, Apr 15, 2015, at 18:07, Alexei Starovoitov wrote: > On 4/15/15 8:59 AM, Hannes Frederic Sowa wrote: > > On Di, 2015-04-14 at 15:57 -0700, Alexei Starovoitov wrote: > >> Due to missing bounds check the DAG pass of the BPF verifier can corrupt > >> the memory which can cause random crashes du

Re: [PATCH net] bpf: fix verifier memory corruption

2015-04-15 Thread Alexei Starovoitov
On 4/15/15 8:59 AM, Hannes Frederic Sowa wrote: On Di, 2015-04-14 at 15:57 -0700, Alexei Starovoitov wrote: Due to missing bounds check the DAG pass of the BPF verifier can corrupt the memory which can cause random crashes during program loading: [8.449451] BUG: unable to handle kernel paging r

Re: [PATCH net] bpf: fix verifier memory corruption

2015-04-15 Thread Hannes Frederic Sowa
On Di, 2015-04-14 at 15:57 -0700, Alexei Starovoitov wrote: > Due to missing bounds check the DAG pass of the BPF verifier can corrupt > the memory which can cause random crashes during program loading: > > [8.449451] BUG: unable to handle kernel paging request at > [8.451293] IP: