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fuzz: Add support for custom fuzzing library

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On oss-fuzz, we must use the LIB_FUZZING_ENGINE and CFLAGS environment
variables, rather than -fsanitize=fuzzer. With this change, when
LIB_FUZZING_ENGINE is set, the --enable-fuzzing configure option will
use that environment variable during the linking stage, rather than
-fsanitize=fuzzer

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200902173652.307222-3-alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Alexander Bulekov 2020-09-02 13:36:51 -04:00 • committed by Paolo Bonzini
parent c46f76d158
commit 54c9e41d47
2 changed files with 12 additions and 4 deletions
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4
tests/qtest/fuzz/meson.build
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@ -7,8 +7,8 @@ specific_fuzz_ss.add(when: 'CONFIG_VIRTIO_NET', if_true: files('virtio_net_fuzz.
specific_fuzz_ss.add(when: 'CONFIG_VIRTIO_SCSI', if_true: files('virtio_scsi_fuzz.c'))
fork_fuzz = declare_dependency(
link_args: ['-fsanitize=fuzzer',
'-Wl,-wrap,qtest_inb',
link_args: config_host['FUZZ_EXE_LDFLAGS'].split() +
['-Wl,-wrap,qtest_inb',
'-Wl,-wrap,qtest_inw',
'-Wl,-wrap,qtest_inl',
'-Wl,-wrap,qtest_outb',