On Sat, Jan 1, 2022 at 8:02 AM Ovidiu Panait <ovidiu.pan...@windriver.com> wrote: > > Hi Bruce, > > > Any feedback on this patch? Not sure if this slipped through the cracks :) >
I don't have any record of the original patch. The feature fragment looks ok to me, but can you resend a v2, so I can grab the mbox and apply it ? Bruce > > Enabling these debug configs is useful when trying to fuzz the yocto kernel > using google syzkaller. > > > Thanks, > > Ovidiu > > On 12/9/21 12:16 PM, Ovidiu Panait wrote: > > KCOV exposes kernel code coverage information in a form suitable for > coverage-guided fuzzing. This debug feature can be enabled to add support for > kernel fuzzing (with tools such as syzkaller). > > Signed-off-by: Ovidiu Panait <ovidiu.pan...@windriver.com> > --- > cfg/debug/kcov/debug-kcov.cfg | 4 ++++ > cfg/debug/kcov/debug-kcov.scc | 5 +++++ > 2 files changed, 9 insertions(+) > create mode 100644 cfg/debug/kcov/debug-kcov.cfg > create mode 100644 cfg/debug/kcov/debug-kcov.scc > > diff --git a/cfg/debug/kcov/debug-kcov.cfg b/cfg/debug/kcov/debug-kcov.cfg > new file mode 100644 > index 00000000..9cdd37ce > --- /dev/null > +++ b/cfg/debug/kcov/debug-kcov.cfg > @@ -0,0 +1,4 @@ > +# SPDX-License-Identifier: MIT > +CONFIG_KCOV=y > +CONFIG_KCOV_ENABLE_COMPARISONS=y > +CONFIG_KCOV_INSTRUMENT_ALL=y > diff --git a/cfg/debug/kcov/debug-kcov.scc b/cfg/debug/kcov/debug-kcov.scc > new file mode 100644 > index 00000000..325c6f99 > --- /dev/null > +++ b/cfg/debug/kcov/debug-kcov.scc > @@ -0,0 +1,5 @@ > +# SPDX-License-Identifier: MIT > +define KFEATURE_DESCRIPTION "Enable kernel code coverage support" > +define KFEATURE_COMPATIBILITY all > + > +kconf non-hardware debug-kcov.cfg > > > > -- - Thou shalt not follow the NULL pointer, for chaos and madness await thee at its end - "Use the force Harry" - Gandalf, Star Trek II
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