OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

fuzz/i440fx: remove fork-based fuzzer

Browse Source 
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
This commit is contained in:
Alexander Bulekov 2023-02-04 23:29:49 -05:00
parent 725767e9a1
commit f031c95941
1 changed files with 1 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
tests/qtest/fuzz/i440fx_fuzz.c
View File

@ -18,7 +18,6 @@
#include "tests/qtest/libqos/pci-pc.h" #include "tests/qtest/libqos/pci-pc.h"
#include "fuzz.h" #include "fuzz.h"
#include "qos_fuzz.h" #include "qos_fuzz.h"
#include "fork_fuzz.h"
#define I440FX_PCI_HOST_BRIDGE_CFG 0xcf8 #define I440FX_PCI_HOST_BRIDGE_CFG 0xcf8
@ -89,6 +88,7 @@ static void i440fx_fuzz_qtest(QTestState *s,
size_t Size) size_t Size)
{ {
ioport_fuzz_qtest(s, Data, Size); ioport_fuzz_qtest(s, Data, Size);
fuzz_reset(s);
} }
static void pciconfig_fuzz_qos(QTestState *s, QPCIBus *bus, static void pciconfig_fuzz_qos(QTestState *s, QPCIBus *bus,
@ -145,17 +145,6 @@ static void i440fx_fuzz_qos(QTestState *s,
pciconfig_fuzz_qos(s, bus, Data, Size); pciconfig_fuzz_qos(s, bus, Data, Size);
} }
static void i440fx_fuzz_qos_fork(QTestState *s,
const unsigned char *Data, size_t Size) {
if (fork() == 0) {
i440fx_fuzz_qos(s, Data, Size);
_Exit(0);
} else {
flush_events(s);
wait(NULL);
}
}
static const char *i440fx_qtest_argv = TARGET_NAME " -machine accel=qtest" static const char *i440fx_qtest_argv = TARGET_NAME " -machine accel=qtest"
" -m 0 -display none"; " -m 0 -display none";
static GString *i440fx_argv(FuzzTarget *t) static GString *i440fx_argv(FuzzTarget *t)
@ -163,10 +152,6 @@ static GString *i440fx_argv(FuzzTarget *t)
return g_string_new(i440fx_qtest_argv); return g_string_new(i440fx_qtest_argv);
} }
static void fork_init(void)
{
counter_shm_init();
}
static void register_pci_fuzz_targets(void) static void register_pci_fuzz_targets(void)
{ {
@ -178,16 +163,6 @@ static void register_pci_fuzz_targets(void)
.get_init_cmdline = i440fx_argv, .get_init_cmdline = i440fx_argv,
.fuzz = i440fx_fuzz_qtest}); .fuzz = i440fx_fuzz_qtest});
/* Uses libqos and forks to prevent state leakage */
fuzz_add_qos_target(&(FuzzTarget){
.name = "i440fx-qos-fork-fuzz",
.description = "Fuzz the i440fx using raw qtest commands and "
"rebooting after each run",
.pre_vm_init = &fork_init,
.fuzz = i440fx_fuzz_qos_fork,},
"i440FX-pcihost",
&(QOSGraphTestOptions){}
);
/* /*
* Uses libqos. Doesn't do anything to reset state. Note that if we were to * Uses libqos. Doesn't do anything to reset state. Note that if we were to