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fuzz: register predefined generic-fuzz configs 

We call get_generic_fuzz_configs, which fills an array with
predefined {name, args, objects} triples. For each of these, we add a
new FuzzTarget, that uses a small wrapper to set
QEMU_FUZZ_{ARGS,OBJECTS} to the corresponding predefined values.

Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20201023150746.107063-16-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
master
Alexander Bulekov 2020-10-23 11:07:44 -04:00 committed by Thomas Huth
parent 61fc27e0df
commit 7fdb505384
1 changed files with 32 additions and 0 deletions
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32
tests/qtest/fuzz/generic_fuzz.c
View File

@ -26,6 +26,7 @@
#include "hw/qdev-core.h"
#include "hw/pci/pci.h"
#include "hw/boards.h"
#include "generic_fuzz_configs.h"
/*
* SEPARATOR is used to separate "operations" in the fuzz input
@ -907,6 +908,17 @@ static GString *generic_fuzz_cmdline(FuzzTarget *t)
return cmd_line;
}
static GString *generic_fuzz_predefined_config_cmdline(FuzzTarget *t)
{
const generic_fuzz_config *config;
g_assert(t->opaque);
config = t->opaque;
setenv("QEMU_FUZZ_ARGS", config->args, 1);
setenv("QEMU_FUZZ_OBJECTS", config->objects, 1);
return generic_fuzz_cmdline(t);
}
static void register_generic_fuzz_targets(void)
{
fuzz_add_target(&(FuzzTarget){
@ -917,6 +929,26 @@ static void register_generic_fuzz_targets(void)
.fuzz = generic_fuzz,
.crossover = generic_fuzz_crossover
});
GString *name;
const generic_fuzz_config *config;
for (int i = 0;
i < sizeof(predefined_configs) / sizeof(generic_fuzz_config);
i++) {
config = predefined_configs + i;
name = g_string_new("generic-fuzz");
g_string_append_printf(name, "-%s", config->name);
fuzz_add_target(&(FuzzTarget){
.name = name->str,
.description = "Predefined generic-fuzz config.",
.get_init_cmdline = generic_fuzz_predefined_config_cmdline,
.pre_fuzz = generic_pre_fuzz,
.fuzz = generic_fuzz,
.crossover = generic_fuzz_crossover,
.opaque = (void *)config
});
}
}
fuzz_target_init(register_generic_fuzz_targets);