jjb: lava: kprobe-fuzzing: Don't fuzz ftrace functions
authorFrancis Deslauriers <francis.deslauriers@efficios.com>
Fri, 16 Mar 2018 16:19:49 +0000 (12:19 -0400)
committerFrancis Deslauriers <francis.deslauriers@efficios.com>
Mon, 19 Mar 2018 16:20:55 +0000 (12:20 -0400)
commita46ade4fdaa66e84d97104b05c111a64355fa195
treec299926cbee26b3b10f364f150e50852792e2ba0
parent78cb511cbcd5942bd22724f0ac3be561429e538f
jjb: lava: kprobe-fuzzing: Don't fuzz ftrace functions

Probing ftrace functions like ftrace_ops_assist_func and some other
function can cause crashes and it won't be fixed by the kernel community
in the foreseeable future. See discussion [1].

People seem to agree it's a bug but we don't have a timeline on the fix.

For now, we ourselves manually blacklist the symbols from the fuzzed
instrumentation points.

[1] https://lkml.org/lkml/2018/3/16/560

Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
scripts/system-tests/run-kprobe-generate-instr-points.py
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