Re: [PATCH v5 00/20] Add virtual device fuzzing support

[Alexander Bulekov <alxndr@bu.edu>]

On 11/14/19 5:55 AM, Darren Kenny wrote:
> Hi Alexander,
> 
> A quick comment on the fact that you omitted any Reviewed-by's that
> you have received so far.
> 
> Was that intentional?
No - I'll find a way to add them.
sorry about that
-Alex
> 
> Thanks,
> 
> Darren.
> 
> On Wed, Nov 13, 2019 at 10:50:41PM +0000, Oleinik, Alexander wrote:
>> This series adds a framework for coverage-guided fuzzing of
>> virtual-devices. Fuzzing targets are based on qtest and can make use of
>> the libqos abstractions.
>>
>> V5:
>> * misc fixes addressing V4 comments
>> * cleanup in-process handlers/globals in libqtest.c
>> * small fixes to fork-based fuzzing and support for multiple workers
>> * changes to the virtio-net fuzzer to kick after each vq add
>>
>> V4:
>> * add/transfer license headers to new files
>> * restructure the added QTestClientTransportOps struct
>> * restructure the FuzzTarget struct and fuzzer skeleton
>> * fork-based fuzzer now directly mmaps shm over the coverage bitmaps
>> * fixes to i440 and virtio-net fuzz targets
>> * undo the changes to qtest_memwrite
>> * possible to build /fuzz and /all in the same build-dir
>> * misc fixes to address V3 comments
>>
>> V3:
>> * rebased onto v4.1.0+
>> * add the fuzzer as a new build-target type in the build-system
>> * add indirection to qtest client/server communication functions
>> * remove ramfile and snapshot-based fuzzing support
>> * add i440fx fuzz-target as a reference for developers.
>> * add linker-script to assist with fork-based fuzzer
>>
>> V2:
>> * split off changes to qos virtio-net and qtest server to other patches
>> * move vl:main initialization into new func: qemu_init
>> * moved useful functions from qos-test.c to a separate object
>> * use struct of function pointers for add_fuzz_target(), instead of
>>   arguments
>> * move ramfile to migration/qemu-file
>> * rewrite fork-based fuzzer pending patch to libfuzzer
>> * pass check-patch
>>
>> Alexander Bulekov (20):
>>  softmmu: split off vl.c:main() into main.c
>>  libqos: Rename i2c_send and i2c_recv
>>  fuzz: Add FUZZ_TARGET module type
>>  qtest: add qtest_server_send abstraction
>>  libqtest: Add a layer of abstraciton to send/recv
>>  module: check module wasn't already initialized
>>  qtest: add in-process incoming command handler
>>  tests: provide test variables to other targets
>>  libqos: split qos-test and libqos makefile vars
>>  libqos: move useful qos-test funcs to qos_external
>>  libqtest: make bufwrite rely on the TransportOps
>>  libqtest: add in-process qtest.c tx/rx handlers
>>  fuzz: add configure flag --enable-fuzzing
>>  fuzz: Add target/fuzz makefile rules
>>  fuzz: add fuzzer skeleton
>>  fuzz: add support for fork-based fuzzing.
>>  fuzz: add support for qos-assisted fuzz targets
>>  fuzz: add i440fx fuzz targets
>>  fuzz: add virtio-net fuzz target
>>  fuzz: add documentation to docs/devel/
>>
>> Makefile                     |  16 ++-
>> Makefile.objs                |   4 +
>> Makefile.target              |  18 ++-
>> configure                    |  39 ++++++
>> docs/devel/fuzzing.txt       | 119 ++++++++++++++++++
>> exec.c                       |  12 +-
>> include/qemu/module.h        |   4 +-
>> include/sysemu/qtest.h       |   4 +
>> include/sysemu/sysemu.h      |   4 +
>> main.c                       |  53 ++++++++
>> qtest.c                      |  31 ++++-
>> tests/Makefile.include       |  75 +++++------
>> tests/fuzz/Makefile.include  |  11 ++
>> tests/fuzz/fork_fuzz.c       |  55 +++++++++
>> tests/fuzz/fork_fuzz.h       |  23 ++++
>> tests/fuzz/fork_fuzz.ld      |  37 ++++++
>> tests/fuzz/fuzz.c            | 179 +++++++++++++++++++++++++++
>> tests/fuzz/fuzz.h            |  94 ++++++++++++++
>> tests/fuzz/i440fx_fuzz.c     | 176 ++++++++++++++++++++++++++
>> tests/fuzz/qos_fuzz.c        | 232 +++++++++++++++++++++++++++++++++++
>> tests/fuzz/qos_fuzz.h        |  33 +++++
>> tests/fuzz/virtio_net_fuzz.c | 100 +++++++++++++++
>> tests/libqos/i2c.c           |  10 +-
>> tests/libqos/i2c.h           |   4 +-
>> tests/libqos/qos_external.c  | 168 +++++++++++++++++++++++++
>> tests/libqos/qos_external.h  |  28 +++++
>> tests/libqtest.c             | 108 ++++++++++++++--
>> tests/libqtest.h             |   4 +
>> tests/pca9552-test.c         |  10 +-
>> tests/qos-test.c             | 140 +--------------------
>> util/module.c                |   7 ++
>> vl.c                         |  38 ++----
>> 32 files changed, 1607 insertions(+), 229 deletions(-)
>> create mode 100644 docs/devel/fuzzing.txt
>> create mode 100644 main.c
>> create mode 100644 tests/fuzz/Makefile.include
>> create mode 100644 tests/fuzz/fork_fuzz.c
>> create mode 100644 tests/fuzz/fork_fuzz.h
>> create mode 100644 tests/fuzz/fork_fuzz.ld
>> create mode 100644 tests/fuzz/fuzz.c
>> create mode 100644 tests/fuzz/fuzz.h
>> create mode 100644 tests/fuzz/i440fx_fuzz.c
>> create mode 100644 tests/fuzz/qos_fuzz.c
>> create mode 100644 tests/fuzz/qos_fuzz.h
>> create mode 100644 tests/fuzz/virtio_net_fuzz.c
>> create mode 100644 tests/libqos/qos_external.c
>> create mode 100644 tests/libqos/qos_external.h
>>
>> -- 
>> 2.23.0
>>
>>


-- 
===
I recently changed my last name from Oleinik to Bulekov
===