On Tue, 2 Feb 2016 01:12:27 +0100 Daniel Borkmann <dan...@iogearbox.net> wrote:
> With a bit larger, branchy eBPF programs f.e. already ~BPF_MAXINSNS/7 in > size, it happens rather quickly that bpf(2) rejects also valid programs > when only the verifier log buffer size we have in tc is too small. > > Change that, so by default we don't do any logging, and only in error > case we retry with logging enabled. If we should fail providing a > reasonable dump of the verifier analysis, retry few times with a larger > log buffer so that we can at least give the user a chance to debug the > program. > > Signed-off-by: Daniel Borkmann <dan...@iogearbox.net> > --- Does not apply Applying: tc, bpf: improve verifier logging error: patch failed: tc/tc_bpf.c:762 error: tc/tc_bpf.c: patch does not apply Patch failed at 0002 tc, bpf: improve verifier logging
