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[PATCH v4 15/16] fuzz: register predefined general-fuzz configs
From: |
Alexander Bulekov |
Subject: |
[PATCH v4 15/16] fuzz: register predefined general-fuzz configs |
Date: |
Thu, 15 Oct 2020 09:41:35 -0400 |
We call get_general_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.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
---
tests/qtest/fuzz/general_fuzz.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/tests/qtest/fuzz/general_fuzz.c b/tests/qtest/fuzz/general_fuzz.c
index 22884512a3..04c4550694 100644
--- a/tests/qtest/fuzz/general_fuzz.c
+++ b/tests/qtest/fuzz/general_fuzz.c
@@ -26,6 +26,7 @@
#include "hw/qdev-core.h"
#include "hw/pci/pci.h"
#include "hw/boards.h"
+#include "general_fuzz_configs.h"
/*
* SEPARATOR is used to separate "operations" in the fuzz input
@@ -902,6 +903,17 @@ static GString *general_fuzz_cmdline(FuzzTarget *t)
return cmd_line;
}
+static GString *general_fuzz_predefined_config_cmdline(FuzzTarget *t)
+{
+ general_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 general_fuzz_cmdline(t);
+}
+
static void register_general_fuzz_targets(void)
{
fuzz_add_target(&(FuzzTarget){
@@ -912,6 +924,25 @@ static void register_general_fuzz_targets(void)
.fuzz = general_fuzz,
.crossover = general_fuzz_crossover
});
+
+ GString *name;
+ general_fuzz_config *config;
+ GArray *predefined_configs = get_general_fuzz_configs();
+
+ for (int i = 0; i < predefined_configs->len; i++) {
+ config = &g_array_index(predefined_configs, general_fuzz_config, i);
+ name = g_string_new("general-fuzz");
+ g_string_append_printf(name, "-%s", config->name);
+ fuzz_add_target(&(FuzzTarget){
+ .name = name->str,
+ .description = "Predefined general-fuzz config.",
+ .get_init_cmdline = general_fuzz_predefined_config_cmdline,
+ .pre_fuzz = general_pre_fuzz,
+ .fuzz = general_fuzz,
+ .crossover = general_fuzz_crossover,
+ .opaque = config
+ });
+ }
}
fuzz_target_init(register_general_fuzz_targets);
--
2.28.0
- [PATCH v4 02/16] fuzz: Add general virtual-device fuzzer, (continued)
- [PATCH v4 02/16] fuzz: Add general virtual-device fuzzer, Alexander Bulekov, 2020/10/15
- [PATCH v4 03/16] fuzz: Add PCI features to the general fuzzer, Alexander Bulekov, 2020/10/15
- [PATCH v4 05/16] fuzz: Declare DMA Read callback function, Alexander Bulekov, 2020/10/15
- [PATCH v4 04/16] fuzz: Add DMA support to the generic-fuzzer, Alexander Bulekov, 2020/10/15
- [PATCH v4 06/16] fuzz: Add fuzzer callbacks to DMA-read functions, Alexander Bulekov, 2020/10/15
- [PATCH v4 07/16] fuzz: Add support for custom crossover functions, Alexander Bulekov, 2020/10/15
- [PATCH v4 14/16] fuzz: add general-fuzz configs for oss-fuzz, Alexander Bulekov, 2020/10/15
- [PATCH v4 15/16] fuzz: register predefined general-fuzz configs,
Alexander Bulekov <=
- [PATCH v4 16/16] scripts/oss-fuzz: remove the general-fuzz target, Alexander Bulekov, 2020/10/15
- [PATCH v4 09/16] fuzz: add a crossover function to generic-fuzzer, Alexander Bulekov, 2020/10/15
- [PATCH v4 08/16] fuzz: add a DISABLE_PCI op to general-fuzzer, Alexander Bulekov, 2020/10/15
- [PATCH v4 12/16] fuzz: Add instructions for using general-fuzz, Alexander Bulekov, 2020/10/15
- [PATCH v4 11/16] scripts/oss-fuzz: Add crash trace minimization script, Alexander Bulekov, 2020/10/15
- [PATCH v4 10/16] scripts/oss-fuzz: Add script to reorder a general-fuzzer trace, Alexander Bulekov, 2020/10/15
- [PATCH v4 13/16] fuzz: add an "opaque" to the FuzzTarget struct, Alexander Bulekov, 2020/10/15
- Re: [PATCH v4 00/16] Add a General Virtual Device Fuzzer, no-reply, 2020/10/15
- Re: [PATCH v4 00/16] Add a General Virtual Device Fuzzer, Paolo Bonzini, 2020/10/16