Commit 8efebd4e authored by Alexander Bulekov's avatar Alexander Bulekov Committed by Thomas Huth
Browse files

fuzz: Add support for logging QTest commands 



Signed-off-by: default avatarAlexander Bulekov <alxndr@bu.edu>
Message-Id: <20200529221450.26673-3-alxndr@bu.edu>
Reviewed-by: default avatarDarren Kenny <darren.kenny@oracle.com>
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
parent d92e1b6d

tests/qtest/fuzz/fuzz.c

+8 −1
Original line number Diff line number Diff line
@@ -94,7 +94,9 @@ static void usage(char *path) 
    printf("Alternatively, add -target-FUZZ_TARGET to the executable name\n\n"

           "Set the environment variable FUZZ_SERIALIZE_QTEST=1 to serialize\n"

           "QTest commands into an ASCII protocol. Useful for building crash\n"

           "reproducers, but slows down execution.\n");

           "reproducers, but slows down execution.\n\n"

           "Set the environment variable QTEST_LOG=1 to log all qtest commands"

           "\n");

    exit(0);

}
@@ -197,6 +199,11 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp) 


    /* Run QEMU's softmmu main with the fuzz-target dependent arguments */

    const char *init_cmdline = fuzz_target->get_init_cmdline(fuzz_target);

    init_cmdline = g_strdup_printf("%s -qtest /dev/null -qtest-log %s",

                                   init_cmdline,

                                   getenv("QTEST_LOG") ? "/dev/fd/2"

                                                       : "/dev/null");





    /* Split the runcmd into an argv and argc */

    wordexp_t result;