blob: 875f197e3b475bcb797f71e06be2c564d6622d8b [file] [log] [blame]
// KMSAN: kernel-infoleak in hidraw_ioctl
// https://syzkaller.appspot.com/bug?id=001fc3c152ea89d7baa8b1df4c498ee41cb1d973
// status:invalid
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <linux/usb/ch9.h>
unsigned long long procid;
static void sleep_ms(uint64_t ms)
{
usleep(ms * 1000);
}
static uint64_t current_time_ms(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
exit(1);
return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}
static void use_temporary_dir(void)
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
exit(1);
if (chmod(tmpdir, 0777))
exit(1);
if (chdir(tmpdir))
exit(1);
}
static bool write_file(const char* file, const char* what, ...)
{
char buf[1024];
va_list args;
va_start(args, what);
vsnprintf(buf, sizeof(buf), what, args);
va_end(args);
buf[sizeof(buf) - 1] = 0;
int len = strlen(buf);
int fd = open(file, O_WRONLY | O_CLOEXEC);
if (fd == -1)
return false;
if (write(fd, buf, len) != len) {
int err = errno;
close(fd);
errno = err;
return false;
}
close(fd);
return true;
}
#define USB_DEBUG 0
#define USB_MAX_IFACE_NUM 4
#define USB_MAX_EP_NUM 32
struct usb_iface_index {
struct usb_interface_descriptor* iface;
struct usb_endpoint_descriptor* eps[USB_MAX_EP_NUM];
unsigned eps_num;
};
struct usb_device_index {
struct usb_device_descriptor* dev;
struct usb_config_descriptor* config;
unsigned config_length;
struct usb_iface_index ifaces[USB_MAX_IFACE_NUM];
unsigned ifaces_num;
};
static bool parse_usb_descriptor(char* buffer, size_t length,
struct usb_device_index* index)
{
if (length < sizeof(*index->dev) + sizeof(*index->config))
return false;
memset(index, 0, sizeof(*index));
index->dev = (struct usb_device_descriptor*)buffer;
index->config = (struct usb_config_descriptor*)(buffer + sizeof(*index->dev));
index->config_length = length - sizeof(*index->dev);
size_t offset = 0;
while (true) {
if (offset + 1 >= length)
break;
uint8_t desc_length = buffer[offset];
uint8_t desc_type = buffer[offset + 1];
if (desc_length <= 2)
break;
if (offset + desc_length > length)
break;
if (desc_type == USB_DT_INTERFACE &&
index->ifaces_num < USB_MAX_IFACE_NUM) {
struct usb_interface_descriptor* iface =
(struct usb_interface_descriptor*)(buffer + offset);
index->ifaces[index->ifaces_num++].iface = iface;
}
if (desc_type == USB_DT_ENDPOINT && index->ifaces_num > 0) {
struct usb_iface_index* iface = &index->ifaces[index->ifaces_num - 1];
if (iface->eps_num < USB_MAX_EP_NUM)
iface->eps[iface->eps_num++] =
(struct usb_endpoint_descriptor*)(buffer + offset);
}
offset += desc_length;
}
return true;
}
enum usb_fuzzer_event_type {
USB_FUZZER_EVENT_INVALID,
USB_FUZZER_EVENT_CONNECT,
USB_FUZZER_EVENT_DISCONNECT,
USB_FUZZER_EVENT_SUSPEND,
USB_FUZZER_EVENT_RESUME,
USB_FUZZER_EVENT_CONTROL,
};
struct usb_fuzzer_event {
uint32_t type;
uint32_t length;
char data[0];
};
struct usb_fuzzer_init {
uint64_t speed;
const char* driver_name;
const char* device_name;
};
struct usb_fuzzer_ep_io {
uint16_t ep;
uint16_t flags;
uint32_t length;
char data[0];
};
#define USB_FUZZER_IOCTL_INIT _IOW('U', 0, struct usb_fuzzer_init)
#define USB_FUZZER_IOCTL_RUN _IO('U', 1)
#define USB_FUZZER_IOCTL_EVENT_FETCH _IOR('U', 2, struct usb_fuzzer_event)
#define USB_FUZZER_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_fuzzer_ep_io)
#define USB_FUZZER_IOCTL_EP0_READ _IOWR('U', 4, struct usb_fuzzer_ep_io)
#define USB_FUZZER_IOCTL_EP_ENABLE _IOW('U', 5, struct usb_endpoint_descriptor)
#define USB_FUZZER_IOCTL_EP_WRITE _IOW('U', 7, struct usb_fuzzer_ep_io)
#define USB_FUZZER_IOCTL_EP_READ _IOWR('U', 8, struct usb_fuzzer_ep_io)
#define USB_FUZZER_IOCTL_CONFIGURE _IO('U', 9)
#define USB_FUZZER_IOCTL_VBUS_DRAW _IOW('U', 10, uint32_t)
int usb_fuzzer_open()
{
return open("/sys/kernel/debug/usb-fuzzer", O_RDWR);
}
int usb_fuzzer_init(int fd, uint32_t speed, const char* driver,
const char* device)
{
struct usb_fuzzer_init arg;
arg.speed = speed;
arg.driver_name = driver;
arg.device_name = device;
return ioctl(fd, USB_FUZZER_IOCTL_INIT, &arg);
}
int usb_fuzzer_run(int fd)
{
return ioctl(fd, USB_FUZZER_IOCTL_RUN, 0);
}
int usb_fuzzer_event_fetch(int fd, struct usb_fuzzer_event* event)
{
return ioctl(fd, USB_FUZZER_IOCTL_EVENT_FETCH, event);
}
int usb_fuzzer_ep0_write(int fd, struct usb_fuzzer_ep_io* io)
{
return ioctl(fd, USB_FUZZER_IOCTL_EP0_WRITE, io);
}
int usb_fuzzer_ep0_read(int fd, struct usb_fuzzer_ep_io* io)
{
return ioctl(fd, USB_FUZZER_IOCTL_EP0_READ, io);
}
int usb_fuzzer_ep_write(int fd, struct usb_fuzzer_ep_io* io)
{
return ioctl(fd, USB_FUZZER_IOCTL_EP_WRITE, io);
}
int usb_fuzzer_ep_read(int fd, struct usb_fuzzer_ep_io* io)
{
return ioctl(fd, USB_FUZZER_IOCTL_EP_READ, io);
}
int usb_fuzzer_ep_enable(int fd, struct usb_endpoint_descriptor* desc)
{
return ioctl(fd, USB_FUZZER_IOCTL_EP_ENABLE, desc);
}
int usb_fuzzer_configure(int fd)
{
return ioctl(fd, USB_FUZZER_IOCTL_CONFIGURE, 0);
}
int usb_fuzzer_vbus_draw(int fd, uint32_t power)
{
return ioctl(fd, USB_FUZZER_IOCTL_VBUS_DRAW, power);
}
#define USB_MAX_PACKET_SIZE 1024
struct usb_fuzzer_control_event {
struct usb_fuzzer_event inner;
struct usb_ctrlrequest ctrl;
char data[USB_MAX_PACKET_SIZE];
};
struct usb_fuzzer_ep_io_data {
struct usb_fuzzer_ep_io inner;
char data[USB_MAX_PACKET_SIZE];
};
struct vusb_connect_string_descriptor {
uint32_t len;
char* str;
} __attribute__((packed));
struct vusb_connect_descriptors {
uint32_t qual_len;
char* qual;
uint32_t bos_len;
char* bos;
uint32_t strs_len;
struct vusb_connect_string_descriptor strs[0];
} __attribute__((packed));
static const char default_string[] = {8, USB_DT_STRING, 's', 0, 'y', 0, 'z', 0};
static const char default_lang_id[] = {4, USB_DT_STRING, 0x09, 0x04};
static bool lookup_connect_response(struct vusb_connect_descriptors* descs,
struct usb_device_index* index,
struct usb_ctrlrequest* ctrl,
char** response_data,
uint32_t* response_length)
{
uint8_t str_idx;
switch (ctrl->bRequestType & USB_TYPE_MASK) {
case USB_TYPE_STANDARD:
switch (ctrl->bRequest) {
case USB_REQ_GET_DESCRIPTOR:
switch (ctrl->wValue >> 8) {
case USB_DT_DEVICE:
*response_data = (char*)index->dev;
*response_length = sizeof(*index->dev);
return true;
case USB_DT_CONFIG:
*response_data = (char*)index->config;
*response_length = index->config_length;
return true;
case USB_DT_STRING:
str_idx = (uint8_t)ctrl->wValue;
if (descs && str_idx < descs->strs_len) {
*response_data = descs->strs[str_idx].str;
*response_length = descs->strs[str_idx].len;
return true;
}
if (str_idx == 0) {
*response_data = (char*)&default_lang_id[0];
*response_length = default_lang_id[0];
return true;
}
*response_data = (char*)&default_string[0];
*response_length = default_string[0];
return true;
case USB_DT_BOS:
*response_data = descs->bos;
*response_length = descs->bos_len;
return true;
case USB_DT_DEVICE_QUALIFIER:
if (!descs->qual) {
struct usb_qualifier_descriptor* qual =
(struct usb_qualifier_descriptor*)response_data;
qual->bLength = sizeof(*qual);
qual->bDescriptorType = USB_DT_DEVICE_QUALIFIER;
qual->bcdUSB = index->dev->bcdUSB;
qual->bDeviceClass = index->dev->bDeviceClass;
qual->bDeviceSubClass = index->dev->bDeviceSubClass;
qual->bDeviceProtocol = index->dev->bDeviceProtocol;
qual->bMaxPacketSize0 = index->dev->bMaxPacketSize0;
qual->bNumConfigurations = index->dev->bNumConfigurations;
qual->bRESERVED = 0;
*response_length = sizeof(*qual);
return true;
}
*response_data = descs->qual;
*response_length = descs->qual_len;
return true;
default:
exit(1);
return false;
}
break;
default:
exit(1);
return false;
}
break;
default:
exit(1);
return false;
}
return false;
}
static volatile long syz_usb_connect(volatile long a0, volatile long a1,
volatile long a2, volatile long a3)
{
uint64_t speed = a0;
uint64_t dev_len = a1;
char* dev = (char*)a2;
struct vusb_connect_descriptors* descs = (struct vusb_connect_descriptors*)a3;
if (!dev) {
return -1;
}
struct usb_device_index index;
memset(&index, 0, sizeof(index));
int rv = 0;
rv = parse_usb_descriptor(dev, dev_len, &index);
if (!rv) {
return rv;
}
int fd = usb_fuzzer_open();
if (fd < 0) {
return fd;
}
char device[32];
sprintf(&device[0], "dummy_udc.%llu", procid);
rv = usb_fuzzer_init(fd, speed, "dummy_udc", &device[0]);
if (rv < 0) {
return rv;
}
rv = usb_fuzzer_run(fd);
if (rv < 0) {
return rv;
}
bool done = false;
while (!done) {
struct usb_fuzzer_control_event event;
event.inner.type = 0;
event.inner.length = sizeof(event.ctrl);
rv = usb_fuzzer_event_fetch(fd, (struct usb_fuzzer_event*)&event);
if (rv < 0) {
return rv;
}
if (event.inner.type != USB_FUZZER_EVENT_CONTROL)
continue;
bool response_found = false;
char* response_data = NULL;
uint32_t response_length = 0;
if (event.ctrl.bRequestType & USB_DIR_IN) {
response_found = lookup_connect_response(
descs, &index, &event.ctrl, &response_data, &response_length);
if (!response_found) {
return -1;
}
} else {
if ((event.ctrl.bRequestType & USB_TYPE_MASK) != USB_TYPE_STANDARD ||
event.ctrl.bRequest != USB_REQ_SET_CONFIGURATION) {
exit(1);
return -1;
}
done = true;
}
if (done) {
rv = usb_fuzzer_vbus_draw(fd, index.config->bMaxPower);
if (rv < 0) {
return rv;
}
rv = usb_fuzzer_configure(fd);
if (rv < 0) {
return rv;
}
unsigned ep;
for (ep = 0; ep < index.ifaces[0].eps_num; ep++) {
rv = usb_fuzzer_ep_enable(fd, index.ifaces[0].eps[ep]);
if (rv < 0) {
} else {
}
}
}
struct usb_fuzzer_ep_io_data response;
response.inner.ep = 0;
response.inner.flags = 0;
if (response_length > sizeof(response.data))
response_length = 0;
if (event.ctrl.wLength < response_length)
response_length = event.ctrl.wLength;
response.inner.length = response_length;
if (response_data)
memcpy(&response.data[0], response_data, response_length);
else
memset(&response.data[0], 0, response_length);
if (event.ctrl.bRequestType & USB_DIR_IN) {
rv = usb_fuzzer_ep0_write(fd, (struct usb_fuzzer_ep_io*)&response);
} else {
rv = usb_fuzzer_ep0_read(fd, (struct usb_fuzzer_ep_io*)&response);
}
if (rv < 0) {
return rv;
}
}
sleep_ms(200);
return fd;
}
struct vusb_descriptor {
uint8_t req_type;
uint8_t desc_type;
uint32_t len;
char data[0];
} __attribute__((packed));
struct vusb_descriptors {
uint32_t len;
struct vusb_descriptor* generic;
struct vusb_descriptor* descs[0];
} __attribute__((packed));
struct vusb_response {
uint8_t type;
uint8_t req;
uint32_t len;
char data[0];
} __attribute__((packed));
struct vusb_responses {
uint32_t len;
struct vusb_response* generic;
struct vusb_response* resps[0];
} __attribute__((packed));
static bool lookup_control_response(struct vusb_descriptors* descs,
struct vusb_responses* resps,
struct usb_ctrlrequest* ctrl,
char** response_data,
uint32_t* response_length)
{
int descs_num = 0;
int resps_num = 0;
if (descs)
descs_num = (descs->len - offsetof(struct vusb_descriptors, descs)) /
sizeof(descs->descs[0]);
if (resps)
resps_num = (resps->len - offsetof(struct vusb_responses, resps)) /
sizeof(resps->resps[0]);
uint8_t req = ctrl->bRequest;
uint8_t req_type = ctrl->bRequestType & USB_TYPE_MASK;
uint8_t desc_type = ctrl->wValue >> 8;
if (req == USB_REQ_GET_DESCRIPTOR) {
int i;
for (i = 0; i < descs_num; i++) {
struct vusb_descriptor* desc = descs->descs[i];
if (!desc)
continue;
if (desc->req_type == req_type && desc->desc_type == desc_type) {
*response_length = desc->len;
if (*response_length != 0)
*response_data = &desc->data[0];
else
*response_data = NULL;
return true;
}
}
if (descs && descs->generic) {
*response_data = &descs->generic->data[0];
*response_length = descs->generic->len;
return true;
}
} else {
int i;
for (i = 0; i < resps_num; i++) {
struct vusb_response* resp = resps->resps[i];
if (!resp)
continue;
if (resp->type == req_type && resp->req == req) {
*response_length = resp->len;
if (*response_length != 0)
*response_data = &resp->data[0];
else
*response_data = NULL;
return true;
}
}
if (resps && resps->generic) {
*response_data = &resps->generic->data[0];
*response_length = resps->generic->len;
return true;
}
}
return false;
}
static volatile long syz_usb_control_io(volatile long a0, volatile long a1,
volatile long a2)
{
int fd = a0;
struct vusb_descriptors* descs = (struct vusb_descriptors*)a1;
struct vusb_responses* resps = (struct vusb_responses*)a2;
struct usb_fuzzer_control_event event;
event.inner.type = 0;
event.inner.length = USB_MAX_PACKET_SIZE;
int rv = usb_fuzzer_event_fetch(fd, (struct usb_fuzzer_event*)&event);
if (rv < 0) {
return rv;
}
if (event.inner.type != USB_FUZZER_EVENT_CONTROL) {
return -1;
}
bool response_found = false;
char* response_data = NULL;
uint32_t response_length = 0;
if ((event.ctrl.bRequestType & USB_DIR_IN) && event.ctrl.wLength) {
response_found = lookup_control_response(descs, resps, &event.ctrl,
&response_data, &response_length);
if (!response_found) {
return -1;
}
} else {
response_length = event.ctrl.wLength;
}
struct usb_fuzzer_ep_io_data response;
response.inner.ep = 0;
response.inner.flags = 0;
if (response_length > sizeof(response.data))
response_length = 0;
if (event.ctrl.wLength < response_length)
response_length = event.ctrl.wLength;
if ((event.ctrl.bRequestType & USB_DIR_IN) && !event.ctrl.wLength) {
response_length = USB_MAX_PACKET_SIZE;
}
response.inner.length = response_length;
if (response_data)
memcpy(&response.data[0], response_data, response_length);
else
memset(&response.data[0], 0, response_length);
if ((event.ctrl.bRequestType & USB_DIR_IN) && event.ctrl.wLength) {
rv = usb_fuzzer_ep0_write(fd, (struct usb_fuzzer_ep_io*)&response);
} else {
rv = usb_fuzzer_ep0_read(fd, (struct usb_fuzzer_ep_io*)&response);
}
if (rv < 0) {
return rv;
}
sleep_ms(200);
return 0;
}
static volatile long syz_usb_disconnect(volatile long a0)
{
int fd = a0;
int rv = close(fd);
sleep_ms(200);
return rv;
}
static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2)
{
if (a0 == 0xc || a0 == 0xb) {
char buf[128];
sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
(uint8_t)a2);
return open(buf, O_RDWR, 0);
} else {
char buf[1024];
char* hash;
strncpy(buf, (char*)a0, sizeof(buf) - 1);
buf[sizeof(buf) - 1] = 0;
while ((hash = strchr(buf, '#'))) {
*hash = '0' + (char)(a1 % 10);
a1 /= 10;
}
return open(buf, a2, 0);
}
}
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
DIR* dp;
struct dirent* ep;
int iter = 0;
retry:
while (umount2(dir, MNT_DETACH) == 0) {
}
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exit(1);
}
exit(1);
}
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
while (umount2(filename, MNT_DETACH) == 0) {
}
struct stat st;
if (lstat(filename, &st))
exit(1);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EPERM) {
int fd = open(filename, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0)
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exit(1);
if (umount2(filename, MNT_DETACH))
exit(1);
}
}
closedir(dp);
int i;
for (i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EPERM) {
int fd = open(dir, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0)
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
if (umount2(dir, MNT_DETACH))
exit(1);
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exit(1);
}
}
static void kill_and_wait(int pid, int* status)
{
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
int i;
for (i = 0; i < 100; i++) {
if (waitpid(-1, status, WNOHANG | __WALL) == pid)
return;
usleep(1000);
}
DIR* dir = opendir("/sys/fs/fuse/connections");
if (dir) {
for (;;) {
struct dirent* ent = readdir(dir);
if (!ent)
break;
if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
continue;
char abort[300];
snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
ent->d_name);
int fd = open(abort, O_WRONLY);
if (fd == -1) {
continue;
}
if (write(fd, abort, 1) < 0) {
}
close(fd);
}
closedir(dir);
} else {
}
while (waitpid(-1, status, __WALL) != pid) {
}
}
static void setup_test()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
write_file("/proc/self/oom_score_adj", "1000");
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
int iter;
for (iter = 0;; iter++) {
char cwdbuf[32];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
exit(1);
int pid = fork();
if (pid < 0)
exit(1);
if (pid == 0) {
if (chdir(cwdbuf))
exit(1);
setup_test();
execute_one();
exit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
break;
sleep_ms(1);
if (current_time_ms() - start < 5 * 1000)
continue;
kill_and_wait(pid, &status);
break;
}
remove_dir(cwdbuf);
}
}
uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};
void execute_one(void)
{
intptr_t res = 0;
memcpy(
(void*)0x20000680,
"\x12\x01\x00\x00\x00\xf6\x00\x08\x4c\x05\xd5\x03\x00\x00\x00\x00\x00\x01"
"\x09\x02\x24\x00\x01\x00\x00\xa0\x00\x09\x04\x00\xf5\x08\x03\x00\x00\x00"
"\x09\x21\x00\x00\x00\x01\x22\x29\x00\x09\x05\x81\x03\x00\x00\x01\x00\x00"
"\x7a\x5e\x60\xbc\xeb\x86\xf7\x37\xd8\xdd\x09\xdd\x05\xfa\x6e\xef\x8d\x5c"
"\xff\x4f\xf8\x05\x03\x6d\x2f\xd9\x53\x00\xfa\xc8\x79\xcf\x41\x6e\x82\x2f"
"\x58\x17\x66\x92\x5a\xbe\x7d\xf1\x3b\x31\x05\xe2\x95\x86\xe6\x92\x96\xb4"
"\x9e\x87\x6c\x47\x37\x35\x37\xe3\x32\xd5\x05\x1b\x11\xe9\x62\xb2\x6a\x1d"
"\x63\xfd\xeb\xd1\x0e\x98\xe5\xee\x57\x9d\xf5\x27\xa2\x3f\x11\xa2\x80\x5d"
"\x7a\x50\x28\xa4\xd2\xbf\x56\xc8\x87\xa4\xe6\xa6\x63\x4e\xf4\xb7\xb3\x6f"
"\x65\x0f\xa5\x4f\xcd\x2f\xb5\x0b\x5e\x42\xde\x7f\x73\x72\x29\xcb\x87\x16"
"\x52\x60\x25\xba\x06\x05\x18\x66\xec\xda\xdc\xe3\x0e\xc2\x34\x1d\x39\x9a"
"\x47\x2d\x27\x6c\x61\x16\x98\x64\x6d\x07\x6f\x60\x32\xaf\x22\x4f\x09\xb9"
"\x26\xe2\x09\x34\x2a\xb2\xb0\xfa\xc7\x03\xb8\xa2\xf2\x75\xc6\x21\x37\xd8"
"\x0b\x74\xae\x40\xaf\x65\xa8\x78\x38\xbc\x0e\xf7\x8a\x2c\xdd\x33\xe3\x70"
"\x67\xf4\xc9\x95\x68\x04\x53\xf3\x11\xe9\x06\x4b\x3b\x5a\xff\xc7\xa8\xe0"
"\xc5\xe3\x6f\x8c\x54\x69\x28\x60\x5c\x8d\xbd\xee\xbd\x9b\x52\xfb\x29\x1d"
"\x2b\xec\xf4\xf0\xa0\x7f\xc6\xf1\x2a\x72\x8a\xe4\x2e\x30\x52\x0c\x1c\xd1"
"\xce\x05\x26\xb5\x76\x3a\xb6\x1b\x1e\xd0\x8a\x98\xc8\x0b\xcc\x1f\x07\x94"
"\x4e\x0b\xc0\x5b\xd7\xfe\x90\x71\x78\xc9\xe8\x0a\xef\x73\x10\xa6\x7e\x90"
"\xa7\xa6\x9c\x4b\x9a\x8a\xe5\xba\x9a\x8a\x6b\x8c\x90\x3a\xf5\x61\x68\xe9"
"\x9e\x7e\xe6\x7a\xf9\x54\xd2\x30\x03\x52\xca\x84\xcd\x9d\x48\xee\x18\xfc"
"\xd2\x24\x51\x0b\xc7\xc1\x05\xe4\x0d\x18\x9e\x1a\x27\x42",
392);
res = syz_usb_connect(0, 0x36, 0x20000680, 0);
if (res != -1)
r[0] = res;
*(uint32_t*)0x20000300 = 0x2e;
*(uint64_t*)0x20000304 = 0;
*(uint64_t*)0x2000030c = 0;
*(uint64_t*)0x20000314 = 0;
*(uint64_t*)0x2000031c = 0x20000180;
*(uint8_t*)0x20000180 = 0;
*(uint8_t*)0x20000181 = 0x22;
*(uint32_t*)0x20000182 = 0x29;
*(uint8_t*)0x20000186 = 0;
*(uint8_t*)0x20000187 = 0x21;
*(uint16_t*)0x20000188 = 0;
*(uint8_t*)0x2000018a = 0;
*(uint8_t*)0x2000018b = 1;
*(uint8_t*)0x2000018c = 0x22;
*(uint16_t*)0x2000018d = 0;
*(uint32_t*)0x20000fc0 = 0x7349f68b;
*(uint64_t*)0x20000fc4 = 0;
*(uint64_t*)0x20000fcc = 0;
*(uint64_t*)0x20000fd4 = 0;
*(uint64_t*)0x20000fdc = 0;
*(uint64_t*)0x20000fe4 = 0;
syz_usb_control_io(r[0], 0x20000300, 0x20000fc0);
memcpy((void*)0x20000b00, "/dev/hidraw#\000", 13);
res = syz_open_dev(0x20000b00, 0, 0);
if (res != -1)
r[1] = res;
syz_usb_disconnect(r[0]);
syscall(__NR_ioctl, r[1], 0x80084803, 0x200000c0);
}
int main(void)
{
syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
for (procid = 0; procid < 6; procid++) {
if (fork() == 0) {
use_temporary_dir();
loop();
}
}
sleep(1000000);
return 0;
}