fuzz: Add support for logging QTest commands
Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20200529221450.26673-3-alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
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@ -94,7 +94,9 @@ static void usage(char *path)
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printf("Alternatively, add -target-FUZZ_TARGET to the executable name\n\n"
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"Set the environment variable FUZZ_SERIALIZE_QTEST=1 to serialize\n"
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"QTest commands into an ASCII protocol. Useful for building crash\n"
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"reproducers, but slows down execution.\n");
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"reproducers, but slows down execution.\n\n"
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"Set the environment variable QTEST_LOG=1 to log all qtest commands"
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"\n");
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exit(0);
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}
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@ -197,6 +199,11 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp)
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/* Run QEMU's softmmu main with the fuzz-target dependent arguments */
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const char *init_cmdline = fuzz_target->get_init_cmdline(fuzz_target);
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init_cmdline = g_strdup_printf("%s -qtest /dev/null -qtest-log %s",
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init_cmdline,
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getenv("QTEST_LOG") ? "/dev/fd/2"
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: "/dev/null");
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/* Split the runcmd into an argv and argc */
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wordexp_t result;
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