Re: [PATCH net] bpf: change bpf_probe_write_user to bpf_trace_printk in test_verifier

2017-11-21 Thread Daniel Borkmann
On 11/21/2017 08:23 PM, Yonghong Song wrote: > There are four tests in test_verifier using bpf_probe_write_user > helper. These four tests will emit the following kernel messages > [ 12.974753] test_verifier[220] is installing a program with > bpf_probe_write_user >

[PATCH net] bpf: change bpf_probe_write_user to bpf_trace_printk in test_verifier

2017-11-21 Thread Yonghong Song
There are four tests in test_verifier using bpf_probe_write_user helper. These four tests will emit the following kernel messages [ 12.974753] test_verifier[220] is installing a program with bpf_probe_write_user helper that may corrupt user memory! [ 12.