// https://syzkaller.appspot.com/bug?id=47ca2ff42f9c5d5d353149ecc97f29de7828bbfd // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef SYS_mmap #define SYS_mmap 197 #endif static unsigned long long procid; static void kill_and_wait(int pid, int* status) { kill(pid, SIGKILL); while (waitpid(-1, status, 0) != pid) { } } 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 void __attribute__((noinline)) remove_dir(const char* dir) { DIR* dp = opendir(dir); if (dp == NULL) { if (errno == EACCES) { if (rmdir(dir)) exit(1); return; } exit(1); } struct dirent* ep = 0; 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); struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } if (unlink(filename)) exit(1); } closedir(dp); if (rmdir(dir)) exit(1); } static void thread_start(void* (*fn)(void*), void* arg) { pthread_t th; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 128 << 10); int i = 0; for (; i < 100; i++) { if (pthread_create(&th, &attr, fn, arg) == 0) { pthread_attr_destroy(&attr); return; } if (errno == EAGAIN) { usleep(50); continue; } break; } exit(1); } typedef struct { pthread_mutex_t mu; pthread_cond_t cv; int state; } event_t; static void event_init(event_t* ev) { if (pthread_mutex_init(&ev->mu, 0)) exit(1); if (pthread_cond_init(&ev->cv, 0)) exit(1); ev->state = 0; } static void event_reset(event_t* ev) { ev->state = 0; } static void event_set(event_t* ev) { pthread_mutex_lock(&ev->mu); if (ev->state) exit(1); ev->state = 1; pthread_mutex_unlock(&ev->mu); pthread_cond_broadcast(&ev->cv); } static void event_wait(event_t* ev) { pthread_mutex_lock(&ev->mu); while (!ev->state) pthread_cond_wait(&ev->cv, &ev->mu); pthread_mutex_unlock(&ev->mu); } static int event_isset(event_t* ev) { pthread_mutex_lock(&ev->mu); int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } static int event_timedwait(event_t* ev, uint64_t timeout) { uint64_t start = current_time_ms(); uint64_t now = start; pthread_mutex_lock(&ev->mu); for (;;) { if (ev->state) break; uint64_t remain = timeout - (now - start); struct timespec ts; ts.tv_sec = remain / 1000; ts.tv_nsec = (remain % 1000) * 1000 * 1000; pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); now = current_time_ms(); if (now - start > timeout) break; } int res = ev->state; pthread_mutex_unlock(&ev->mu); return res; } struct usb_endpoint_descriptor { uint8_t bLength; uint8_t bDescriptorType; uint8_t bEndpointAddress; uint8_t bmAttributes; uint16_t wMaxPacketSize; uint8_t bInterval; uint8_t bRefresh; uint8_t bSynchAddress; } __attribute__((packed)); struct usb_device_descriptor { uint8_t bLength; uint8_t bDescriptorType; uint16_t bcdUSB; uint8_t bDeviceClass; uint8_t bDeviceSubClass; uint8_t bDeviceProtocol; uint8_t bMaxPacketSize0; uint16_t idVendor; uint16_t idProduct; uint16_t bcdDevice; uint8_t iManufacturer; uint8_t iProduct; uint8_t iSerialNumber; uint8_t bNumConfigurations; } __attribute__((packed)); struct usb_config_descriptor { uint8_t bLength; uint8_t bDescriptorType; uint16_t wTotalLength; uint8_t bNumInterfaces; uint8_t bConfigurationValue; uint8_t iConfiguration; uint8_t bmAttributes; uint8_t bMaxPower; } __attribute__((packed)); struct usb_interface_descriptor { uint8_t bLength; uint8_t bDescriptorType; uint8_t bInterfaceNumber; uint8_t bAlternateSetting; uint8_t bNumEndpoints; uint8_t bInterfaceClass; uint8_t bInterfaceSubClass; uint8_t bInterfaceProtocol; uint8_t iInterface; } __attribute__((packed)); struct usb_ctrlrequest { uint8_t bRequestType; uint8_t bRequest; uint16_t wValue; uint16_t wIndex; uint16_t wLength; } __attribute__((packed)); struct usb_qualifier_descriptor { uint8_t bLength; uint8_t bDescriptorType; uint16_t bcdUSB; uint8_t bDeviceClass; uint8_t bDeviceSubClass; uint8_t bDeviceProtocol; uint8_t bMaxPacketSize0; uint8_t bNumConfigurations; uint8_t bRESERVED; } __attribute__((packed)); #define USB_TYPE_MASK (0x03 << 5) #define USB_TYPE_STANDARD (0x00 << 5) #define USB_TYPE_CLASS (0x01 << 5) #define USB_TYPE_VENDOR (0x02 << 5) #define USB_TYPE_RESERVED (0x03 << 5) #define USB_DT_DEVICE 0x01 #define USB_DT_CONFIG 0x02 #define USB_DT_STRING 0x03 #define USB_DT_INTERFACE 0x04 #define USB_DT_ENDPOINT 0x05 #define USB_DT_DEVICE_QUALIFIER 0x06 #define USB_DT_OTHER_SPEED_CONFIG 0x07 #define USB_DT_INTERFACE_POWER 0x08 #define USB_DT_OTG 0x09 #define USB_DT_DEBUG 0x0a #define USB_DT_INTERFACE_ASSOCIATION 0x0b #define USB_DT_SECURITY 0x0c #define USB_DT_KEY 0x0d #define USB_DT_ENCRYPTION_TYPE 0x0e #define USB_DT_BOS 0x0f #define USB_DT_DEVICE_CAPABILITY 0x10 #define USB_DT_WIRELESS_ENDPOINT_COMP 0x11 #define USB_DT_WIRE_ADAPTER 0x21 #define USB_DT_RPIPE 0x22 #define USB_DT_CS_RADIO_CONTROL 0x23 #define USB_DT_PIPE_USAGE 0x24 #define USB_DT_SS_ENDPOINT_COMP 0x30 #define USB_DT_SSP_ISOC_ENDPOINT_COMP 0x31 #define USB_REQ_GET_STATUS 0x00 #define USB_REQ_CLEAR_FEATURE 0x01 #define USB_REQ_SET_FEATURE 0x03 #define USB_REQ_SET_ADDRESS 0x05 #define USB_REQ_GET_DESCRIPTOR 0x06 #define USB_REQ_SET_DESCRIPTOR 0x07 #define USB_REQ_GET_CONFIGURATION 0x08 #define USB_REQ_SET_CONFIGURATION 0x09 #define USB_REQ_GET_INTERFACE 0x0A #define USB_REQ_SET_INTERFACE 0x0B #define USB_REQ_SYNCH_FRAME 0x0C #define USB_REQ_SET_SEL 0x30 #define USB_REQ_SET_ISOCH_DELAY 0x31 #define USB_REQ_SET_ENCRYPTION 0x0D #define USB_REQ_GET_ENCRYPTION 0x0E #define USB_REQ_RPIPE_ABORT 0x0E #define USB_REQ_SET_HANDSHAKE 0x0F #define USB_REQ_RPIPE_RESET 0x0F #define USB_REQ_GET_HANDSHAKE 0x10 #define USB_REQ_SET_CONNECTION 0x11 #define USB_REQ_SET_SECURITY_DATA 0x12 #define USB_REQ_GET_SECURITY_DATA 0x13 #define USB_REQ_SET_WUSB_DATA 0x14 #define USB_REQ_LOOPBACK_DATA_WRITE 0x15 #define USB_REQ_LOOPBACK_DATA_READ 0x16 #define USB_REQ_SET_INTERFACE_DS 0x17 #define USB_REQ_GET_PARTNER_PDO 20 #define USB_REQ_GET_BATTERY_STATUS 21 #define USB_REQ_SET_PDO 22 #define USB_REQ_GET_VDM 23 #define USB_REQ_SEND_VDM 24 #define USB_MAX_IFACE_NUM 4 #define USB_MAX_EP_NUM 32 #define USB_MAX_FDS 6 struct usb_endpoint_index { struct usb_endpoint_descriptor desc; int handle; }; struct usb_iface_index { struct usb_interface_descriptor* iface; uint8_t bInterfaceNumber; uint8_t bAlternateSetting; uint8_t bInterfaceClass; struct usb_endpoint_index eps[USB_MAX_EP_NUM]; int eps_num; }; struct usb_device_index { struct usb_device_descriptor* dev; struct usb_config_descriptor* config; uint8_t bDeviceClass; uint8_t bMaxPower; int config_length; struct usb_iface_index ifaces[USB_MAX_IFACE_NUM]; int ifaces_num; int iface_cur; }; struct usb_info { int fd; struct usb_device_index index; }; static struct usb_info usb_devices[USB_MAX_FDS]; static int usb_devices_num; static bool parse_usb_descriptor(const 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->bDeviceClass = index->dev->bDeviceClass; index->bMaxPower = index->config->bMaxPower; index->config_length = length - sizeof(*index->dev); index->iface_cur = -1; 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; index->ifaces[index->ifaces_num].bInterfaceNumber = iface->bInterfaceNumber; index->ifaces[index->ifaces_num].bAlternateSetting = iface->bAlternateSetting; index->ifaces[index->ifaces_num].bInterfaceClass = iface->bInterfaceClass; index->ifaces_num++; } 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) { memcpy(&iface->eps[iface->eps_num].desc, buffer + offset, sizeof(iface->eps[iface->eps_num].desc)); iface->eps_num++; } } offset += desc_length; } return true; } static struct usb_device_index* add_usb_index(int fd, const char* dev, size_t dev_len) { int i = __atomic_fetch_add(&usb_devices_num, 1, __ATOMIC_RELAXED); if (i >= USB_MAX_FDS) return NULL; if (!parse_usb_descriptor(dev, dev_len, &usb_devices[i].index)) return NULL; __atomic_store_n(&usb_devices[i].fd, fd, __ATOMIC_RELEASE); return &usb_devices[i].index; } static struct usb_device_index* lookup_usb_index(int fd) { for (int i = 0; i < USB_MAX_FDS; i++) { if (__atomic_load_n(&usb_devices[i].fd, __ATOMIC_ACQUIRE) == fd) return &usb_devices[i].index; } return NULL; } 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_in(int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, char** response_data, uint32_t* response_length) { struct usb_device_index* index = lookup_usb_index(fd); uint8_t str_idx; if (!index) return false; 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: break; } break; default: break; } break; default: break; } return false; } typedef bool (*lookup_connect_out_response_t)( int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, bool* done); static bool lookup_connect_response_out_generic( int fd, const struct vusb_connect_descriptors* descs, const struct usb_ctrlrequest* ctrl, bool* done) { switch (ctrl->bRequestType & USB_TYPE_MASK) { case USB_TYPE_STANDARD: switch (ctrl->bRequest) { case USB_REQ_SET_CONFIGURATION: *done = true; return true; default: break; } break; } return false; } static int vhci_open(void) { char path[1024]; snprintf(path, sizeof(path), "/dev/vhci%llu", procid); return open(path, O_RDWR); } static int vhci_setport(int fd, u_int port) { struct vhci_ioc_set_port args; args.port = port; return ioctl(fd, VHCI_IOC_SET_PORT, &args); } static int vhci_usb_attach(int fd) { return ioctl(fd, VHCI_IOC_USB_ATTACH, NULL); } static int vhci_usb_recv(int fd, void* buf, size_t size) { uint8_t* ptr = (uint8_t*)buf; while (1) { ssize_t done = read(fd, ptr, size); if (done < 0) return -1; if ((size_t)done == size) return 0; size -= done; ptr += done; } } static int vhci_usb_send(int fd, void* buf, size_t size) { uint8_t* ptr = (uint8_t*)buf; while (1) { ssize_t done = write(fd, ptr, size); if (done <= 0) return -1; if ((size_t)done == size) return 0; size -= done; ptr += done; } } static volatile long syz_usb_connect_impl(int fd, uint64_t speed, uint64_t dev_len, const char* dev, const struct vusb_connect_descriptors* descs, lookup_connect_out_response_t lookup_connect_response_out) { struct usb_device_index* index = add_usb_index(fd, dev, dev_len); if (!index) { return -1; } if (vhci_setport(fd, 1)) exit(1); if (vhci_usb_attach(fd)) { return -1; } bool done = false; while (!done) { vhci_request_t req; if (vhci_usb_recv(fd, &req, sizeof(req))) { return -1; } if (req.type != VHCI_REQ_CTRL) { return -1; } char* response_data = NULL; uint32_t response_length = 0; char data[4096]; if (req.u.ctrl.bmRequestType & UE_DIR_IN) { if (!lookup_connect_response_in( fd, descs, (const struct usb_ctrlrequest*)&req.u.ctrl, &response_data, &response_length)) { return -1; } } else { if (!lookup_connect_response_out( fd, descs, (const struct usb_ctrlrequest*)&req.u.ctrl, &done)) { return -1; } response_data = NULL; response_length = UGETW(req.u.ctrl.wLength); } if ((req.u.ctrl.bmRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD && req.u.ctrl.bRequest == USB_REQ_SET_CONFIGURATION) { } if (response_length > sizeof(data)) response_length = 0; if ((uint32_t)UGETW(req.u.ctrl.wLength) < response_length) response_length = UGETW(req.u.ctrl.wLength); if (response_data) memcpy(data, response_data, response_length); else memset(data, 0, response_length); int rv = 0; if (req.u.ctrl.bmRequestType & UE_DIR_IN) { if (response_length > 0) { vhci_response_t res; res.size = response_length; rv = vhci_usb_send(fd, &res, sizeof(res)); if (rv == 0) rv = vhci_usb_send(fd, data, response_length); } } else { rv = vhci_usb_recv(fd, data, response_length); } if (rv < 0) { return -1; } } sleep_ms(200); return fd; } 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; const char* dev = (const char*)a2; const struct vusb_connect_descriptors* descs = (const struct vusb_connect_descriptors*)a3; if (!dev) { return -1; } int fd = vhci_open(); if (fd < 0) exit(1); long res = syz_usb_connect_impl(fd, speed, dev_len, dev, descs, &lookup_connect_response_out_generic); close(fd); return res; } struct thread_t { int created, call; event_t ready, done; }; static struct thread_t threads[16]; static void execute_call(int call); static int running; static void* thr(void* arg) { struct thread_t* th = (struct thread_t*)arg; for (;;) { event_wait(&th->ready); event_reset(&th->ready); execute_call(th->call); __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); event_set(&th->done); } return 0; } static void execute_one(void) { int i, call, thread; for (call = 0; call < 2; call++) { for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); thread++) { struct thread_t* th = &threads[thread]; if (!th->created) { th->created = 1; event_init(&th->ready); event_init(&th->done); event_set(&th->done); thread_start(thr, th); } if (!event_isset(&th->done)) continue; event_reset(&th->done); th->call = call; __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); event_set(&th->ready); if (call == 0) break; event_timedwait(&th->done, 50 + (call == 0 ? 3000 : 0) + (call == 1 ? 3000 : 0)); break; } } for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) sleep_ms(1); } static void execute_one(void); #define WAIT_FLAGS 0 static void loop(void) { int iter = 0; for (;; 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); 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 < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } void execute_call(int call) { switch (call) { case 0: *(uint8_t*)0x20000080 = 0x12; *(uint8_t*)0x20000081 = 1; *(uint16_t*)0x20000082 = 0; *(uint8_t*)0x20000084 = 0; *(uint8_t*)0x20000085 = 0; *(uint8_t*)0x20000086 = 0; *(uint8_t*)0x20000087 = 0x20; *(uint16_t*)0x20000088 = 0x1d6b; *(uint16_t*)0x2000008a = 0x101; *(uint16_t*)0x2000008c = 0x40; *(uint8_t*)0x2000008e = 1; *(uint8_t*)0x2000008f = 2; *(uint8_t*)0x20000090 = 3; *(uint8_t*)0x20000091 = 1; *(uint8_t*)0x20000092 = 9; *(uint8_t*)0x20000093 = 2; *(uint16_t*)0x20000094 = 0x5f; *(uint8_t*)0x20000096 = 3; *(uint8_t*)0x20000097 = 1; *(uint8_t*)0x20000098 = 0; *(uint8_t*)0x20000099 = 0x40; *(uint8_t*)0x2000009a = 0; *(uint8_t*)0x2000009b = 9; *(uint8_t*)0x2000009c = 4; *(uint8_t*)0x2000009d = 0; *(uint8_t*)0x2000009e = 0; *(uint8_t*)0x2000009f = 0; *(uint8_t*)0x200000a0 = 1; *(uint8_t*)0x200000a1 = 1; *(uint8_t*)0x200000a2 = 0; *(uint8_t*)0x200000a3 = 0; *(uint8_t*)0x200000a4 = 0xa; *(uint8_t*)0x200000a5 = 0x24; *(uint8_t*)0x200000a6 = 1; *(uint16_t*)0x200000a7 = 0; *(uint8_t*)0x200000a9 = 0; *(uint8_t*)0x200000aa = 2; *(uint8_t*)0x200000ab = 1; *(uint8_t*)0x200000ac = 2; *(uint8_t*)0x200000ad = 9; *(uint8_t*)0x200000ae = 4; *(uint8_t*)0x200000af = 1; *(uint8_t*)0x200000b0 = 0; *(uint8_t*)0x200000b1 = 0; *(uint8_t*)0x200000b2 = 1; *(uint8_t*)0x200000b3 = 2; *(uint8_t*)0x200000b4 = 0; *(uint8_t*)0x200000b5 = 0; *(uint8_t*)0x200000b6 = 9; *(uint8_t*)0x200000b7 = 4; *(uint8_t*)0x200000b8 = 1; *(uint8_t*)0x200000b9 = 1; *(uint8_t*)0x200000ba = 1; *(uint8_t*)0x200000bb = 1; *(uint8_t*)0x200000bc = 2; *(uint8_t*)0x200000bd = 0; *(uint8_t*)0x200000be = 0; *(uint8_t*)0x200000bf = 9; *(uint8_t*)0x200000c0 = 5; *(uint8_t*)0x200000c1 = 1; *(uint8_t*)0x200000c2 = 9; *(uint16_t*)0x200000c3 = 0; *(uint8_t*)0x200000c5 = 0; *(uint8_t*)0x200000c6 = 0; *(uint8_t*)0x200000c7 = 0; *(uint8_t*)0x200000c8 = 7; *(uint8_t*)0x200000c9 = 0x25; *(uint8_t*)0x200000ca = 1; *(uint8_t*)0x200000cb = 2; *(uint8_t*)0x200000cc = 0; *(uint16_t*)0x200000cd = 0; *(uint8_t*)0x200000cf = 9; *(uint8_t*)0x200000d0 = 4; *(uint8_t*)0x200000d1 = 2; *(uint8_t*)0x200000d2 = 0; *(uint8_t*)0x200000d3 = 0; *(uint8_t*)0x200000d4 = 1; *(uint8_t*)0x200000d5 = 2; *(uint8_t*)0x200000d6 = 0; *(uint8_t*)0x200000d7 = 0; *(uint8_t*)0x200000d8 = 9; *(uint8_t*)0x200000d9 = 4; *(uint8_t*)0x200000da = 2; *(uint8_t*)0x200000db = 1; *(uint8_t*)0x200000dc = 1; *(uint8_t*)0x200000dd = 1; *(uint8_t*)0x200000de = 2; *(uint8_t*)0x200000df = 0; *(uint8_t*)0x200000e0 = 0; *(uint8_t*)0x200000e1 = 9; *(uint8_t*)0x200000e2 = 5; *(uint8_t*)0x200000e3 = 0x82; *(uint8_t*)0x200000e4 = 9; *(uint16_t*)0x200000e5 = 0; *(uint8_t*)0x200000e7 = 0; *(uint8_t*)0x200000e8 = 3; *(uint8_t*)0x200000e9 = 0; *(uint8_t*)0x200000ea = 7; *(uint8_t*)0x200000eb = 0x25; *(uint8_t*)0x200000ec = 1; *(uint8_t*)0x200000ed = 2; *(uint8_t*)0x200000ee = 0; *(uint16_t*)0x200000ef = 0; syz_usb_connect(0, 0x71, 0x20000080, 0); { int i; for (i = 0; i < 64; i++) { syz_usb_connect(0, 0x71, 0x20000080, 0); } } break; case 1: *(uint8_t*)0x20000e80 = 0x12; *(uint8_t*)0x20000e81 = 1; *(uint16_t*)0x20000e82 = 0x110; *(uint8_t*)0x20000e84 = 0; *(uint8_t*)0x20000e85 = 0; *(uint8_t*)0x20000e86 = 0; *(uint8_t*)0x20000e87 = 0x20; *(uint16_t*)0x20000e88 = 0; *(uint16_t*)0x20000e8a = 0; *(uint16_t*)0x20000e8c = 0; *(uint8_t*)0x20000e8e = 1; *(uint8_t*)0x20000e8f = 2; *(uint8_t*)0x20000e90 = 3; *(uint8_t*)0x20000e91 = 1; *(uint8_t*)0x20000e92 = 9; *(uint8_t*)0x20000e93 = 2; *(uint16_t*)0x20000e94 = 0x114; *(uint8_t*)0x20000e96 = 2; *(uint8_t*)0x20000e97 = 0x80; *(uint8_t*)0x20000e98 = 0; *(uint8_t*)0x20000e99 = 0xb0; *(uint8_t*)0x20000e9a = 0xfc; *(uint8_t*)0x20000e9b = 9; *(uint8_t*)0x20000e9c = 4; *(uint8_t*)0x20000e9d = 4; *(uint8_t*)0x20000e9e = 0; *(uint8_t*)0x20000e9f = 8; *(uint8_t*)0x20000ea0 = 0; *(uint8_t*)0x20000ea1 = 0; *(uint8_t*)0x20000ea2 = 0; *(uint8_t*)0x20000ea3 = 2; *(uint8_t*)0x20000ea4 = 9; *(uint8_t*)0x20000ea5 = 5; *(uint8_t*)0x20000ea6 = 0; *(uint8_t*)0x20000ea7 = 8; *(uint16_t*)0x20000ea8 = 0; *(uint8_t*)0x20000eaa = 9; *(uint8_t*)0x20000eab = 7; *(uint8_t*)0x20000eac = 0; *(uint8_t*)0x20000ead = 9; *(uint8_t*)0x20000eae = 5; *(uint8_t*)0x20000eaf = 0xb; *(uint8_t*)0x20000eb0 = 4; *(uint16_t*)0x20000eb1 = 0x20; *(uint8_t*)0x20000eb3 = 0x20; *(uint8_t*)0x20000eb4 = 3; *(uint8_t*)0x20000eb5 = 0xa2; *(uint8_t*)0x20000eb6 = 7; *(uint8_t*)0x20000eb7 = 0x25; *(uint8_t*)0x20000eb8 = 1; *(uint8_t*)0x20000eb9 = 0x82; *(uint8_t*)0x20000eba = 0x10; *(uint16_t*)0x20000ebb = 6; *(uint8_t*)0x20000ebd = 7; *(uint8_t*)0x20000ebe = 0x25; *(uint8_t*)0x20000ebf = 1; *(uint8_t*)0x20000ec0 = 0; *(uint8_t*)0x20000ec1 = 9; *(uint16_t*)0x20000ec2 = 0x8001; *(uint8_t*)0x20000ec4 = 9; *(uint8_t*)0x20000ec5 = 5; *(uint8_t*)0x20000ec6 = 7; *(uint8_t*)0x20000ec7 = 0; *(uint16_t*)0x20000ec8 = 0x200; *(uint8_t*)0x20000eca = 7; *(uint8_t*)0x20000ecb = 2; *(uint8_t*)0x20000ecc = 0x6d; *(uint8_t*)0x20000ecd = 2; *(uint8_t*)0x20000ece = 0x23; *(uint8_t*)0x20000ecf = 9; *(uint8_t*)0x20000ed0 = 5; *(uint8_t*)0x20000ed1 = 0xe; *(uint8_t*)0x20000ed2 = 0x12; *(uint16_t*)0x20000ed3 = 0x3e7; *(uint8_t*)0x20000ed5 = 2; *(uint8_t*)0x20000ed6 = 0x66; *(uint8_t*)0x20000ed7 = 3; *(uint8_t*)0x20000ed8 = 2; *(uint8_t*)0x20000ed9 = 2; *(uint8_t*)0x20000eda = 7; *(uint8_t*)0x20000edb = 0x25; *(uint8_t*)0x20000edc = 1; *(uint8_t*)0x20000edd = 1; *(uint8_t*)0x20000ede = 0x20; *(uint16_t*)0x20000edf = 4; *(uint8_t*)0x20000ee1 = 9; *(uint8_t*)0x20000ee2 = 5; *(uint8_t*)0x20000ee3 = 0x80; *(uint8_t*)0x20000ee4 = 0x10; *(uint16_t*)0x20000ee5 = 0x400; *(uint8_t*)0x20000ee7 = 0xcf; *(uint8_t*)0x20000ee8 = 6; *(uint8_t*)0x20000ee9 = 0x20; *(uint8_t*)0x20000eea = 2; *(uint8_t*)0x20000eeb = 0x22; *(uint8_t*)0x20000eec = 2; *(uint8_t*)0x20000eed = 2; *(uint8_t*)0x20000eee = 9; *(uint8_t*)0x20000eef = 5; *(uint8_t*)0x20000ef0 = 1; *(uint8_t*)0x20000ef1 = 0; *(uint16_t*)0x20000ef2 = 0x3ff; *(uint8_t*)0x20000ef4 = -1; *(uint8_t*)0x20000ef5 = 3; *(uint8_t*)0x20000ef6 = 0; *(uint8_t*)0x20000ef7 = 9; *(uint8_t*)0x20000ef8 = 5; *(uint8_t*)0x20000ef9 = 0; *(uint8_t*)0x20000efa = 0; *(uint16_t*)0x20000efb = 0x400; *(uint8_t*)0x20000efd = 0; *(uint8_t*)0x20000efe = 0x97; *(uint8_t*)0x20000eff = 0x8c; *(uint8_t*)0x20000f00 = 7; *(uint8_t*)0x20000f01 = 0x25; *(uint8_t*)0x20000f02 = 1; *(uint8_t*)0x20000f03 = 3; *(uint8_t*)0x20000f04 = 0x80; *(uint16_t*)0x20000f05 = 0xfffe; *(uint8_t*)0x20000f07 = 9; *(uint8_t*)0x20000f08 = 5; *(uint8_t*)0x20000f09 = 7; *(uint8_t*)0x20000f0a = 3; *(uint16_t*)0x20000f0b = 0x20; *(uint8_t*)0x20000f0d = 0xf8; *(uint8_t*)0x20000f0e = 7; *(uint8_t*)0x20000f0f = 9; *(uint8_t*)0x20000f10 = 9; *(uint8_t*)0x20000f11 = 4; *(uint8_t*)0x20000f12 = 0x98; *(uint8_t*)0x20000f13 = 5; *(uint8_t*)0x20000f14 = 0xb; *(uint8_t*)0x20000f15 = 0; *(uint8_t*)0x20000f16 = 0; *(uint8_t*)0x20000f17 = 0; *(uint8_t*)0x20000f18 = 4; *(uint8_t*)0x20000f19 = 2; *(uint8_t*)0x20000f1a = 1; *(uint8_t*)0x20000f1b = 9; *(uint8_t*)0x20000f1c = 5; *(uint8_t*)0x20000f1d = 5; *(uint8_t*)0x20000f1e = 2; *(uint16_t*)0x20000f1f = 0x20; *(uint8_t*)0x20000f21 = 7; *(uint8_t*)0x20000f22 = 0x20; *(uint8_t*)0x20000f23 = 0xcc; *(uint8_t*)0x20000f24 = 7; *(uint8_t*)0x20000f25 = 0x25; *(uint8_t*)0x20000f26 = 1; *(uint8_t*)0x20000f27 = 2; *(uint8_t*)0x20000f28 = 5; *(uint16_t*)0x20000f29 = 7; *(uint8_t*)0x20000f2b = 7; *(uint8_t*)0x20000f2c = 0x25; *(uint8_t*)0x20000f2d = 1; *(uint8_t*)0x20000f2e = 2; *(uint8_t*)0x20000f2f = 3; *(uint16_t*)0x20000f30 = 0xb78; *(uint8_t*)0x20000f32 = 9; *(uint8_t*)0x20000f33 = 5; *(uint8_t*)0x20000f34 = 9; *(uint8_t*)0x20000f35 = 2; *(uint16_t*)0x20000f36 = 0x7936; *(uint8_t*)0x20000f38 = 0x1f; *(uint8_t*)0x20000f39 = 0x40; *(uint8_t*)0x20000f3a = 3; *(uint8_t*)0x20000f3b = 2; *(uint8_t*)0x20000f3c = 0x22; *(uint8_t*)0x20000f3d = 9; *(uint8_t*)0x20000f3e = 5; *(uint8_t*)0x20000f3f = 0xf; *(uint8_t*)0x20000f40 = 0; *(uint16_t*)0x20000f41 = 0x200; *(uint8_t*)0x20000f43 = 7; *(uint8_t*)0x20000f44 = -1; *(uint8_t*)0x20000f45 = 0xc2; *(uint8_t*)0x20000f46 = 2; *(uint8_t*)0x20000f47 = 4; *(uint8_t*)0x20000f48 = 9; *(uint8_t*)0x20000f49 = 5; *(uint8_t*)0x20000f4a = 5; *(uint8_t*)0x20000f4b = 0x10; *(uint16_t*)0x20000f4c = 0x20; *(uint8_t*)0x20000f4e = 5; *(uint8_t*)0x20000f4f = 0x51; *(uint8_t*)0x20000f50 = 1; *(uint8_t*)0x20000f51 = 9; *(uint8_t*)0x20000f52 = 5; *(uint8_t*)0x20000f53 = 0xf; *(uint8_t*)0x20000f54 = 0x1f; *(uint16_t*)0x20000f55 = 8; *(uint8_t*)0x20000f57 = 7; *(uint8_t*)0x20000f58 = 4; *(uint8_t*)0x20000f59 = 1; *(uint8_t*)0x20000f5a = 2; *(uint8_t*)0x20000f5b = 2; *(uint8_t*)0x20000f5c = 9; *(uint8_t*)0x20000f5d = 5; *(uint8_t*)0x20000f5e = 1; *(uint8_t*)0x20000f5f = 3; *(uint16_t*)0x20000f60 = 0x608; *(uint8_t*)0x20000f62 = 0xc; *(uint8_t*)0x20000f63 = 9; *(uint8_t*)0x20000f64 = 1; *(uint8_t*)0x20000f65 = 9; *(uint8_t*)0x20000f66 = 5; *(uint8_t*)0x20000f67 = 2; *(uint8_t*)0x20000f68 = 0; *(uint16_t*)0x20000f69 = 8; *(uint8_t*)0x20000f6b = 0; *(uint8_t*)0x20000f6c = 9; *(uint8_t*)0x20000f6d = 7; *(uint8_t*)0x20000f6e = 2; *(uint8_t*)0x20000f6f = 0xc; *(uint8_t*)0x20000f70 = 7; *(uint8_t*)0x20000f71 = 0x25; *(uint8_t*)0x20000f72 = 1; *(uint8_t*)0x20000f73 = 2; *(uint8_t*)0x20000f74 = 2; *(uint16_t*)0x20000f75 = 4; *(uint8_t*)0x20000f77 = 9; *(uint8_t*)0x20000f78 = 5; *(uint8_t*)0x20000f79 = 5; *(uint8_t*)0x20000f7a = 0; *(uint16_t*)0x20000f7b = 0x40; *(uint8_t*)0x20000f7d = 4; *(uint8_t*)0x20000f7e = 1; *(uint8_t*)0x20000f7f = 0xc3; *(uint8_t*)0x20000f80 = 2; *(uint8_t*)0x20000f81 = 0x23; *(uint8_t*)0x20000f82 = 9; *(uint8_t*)0x20000f83 = 5; *(uint8_t*)0x20000f84 = 2; *(uint8_t*)0x20000f85 = 0; *(uint16_t*)0x20000f86 = 0x3ff; *(uint8_t*)0x20000f88 = 0x7f; *(uint8_t*)0x20000f89 = 0xe; *(uint8_t*)0x20000f8a = 2; *(uint8_t*)0x20000f8b = 9; *(uint8_t*)0x20000f8c = 5; *(uint8_t*)0x20000f8d = 7; *(uint8_t*)0x20000f8e = 0x87; *(uint16_t*)0x20000f8f = 0x3ff; *(uint8_t*)0x20000f91 = 0x20; *(uint8_t*)0x20000f92 = 0x7f; *(uint8_t*)0x20000f93 = 0x15; *(uint8_t*)0x20000f94 = 7; *(uint8_t*)0x20000f95 = 0x25; *(uint8_t*)0x20000f96 = 1; *(uint8_t*)0x20000f97 = 0x82; *(uint8_t*)0x20000f98 = 4; *(uint16_t*)0x20000f99 = 0x1000; *(uint8_t*)0x20000f9b = 2; *(uint8_t*)0x20000f9c = 7; *(uint8_t*)0x20000f9d = 9; *(uint8_t*)0x20000f9e = 5; *(uint8_t*)0x20000f9f = 9; *(uint8_t*)0x20000fa0 = 0; *(uint16_t*)0x20000fa1 = 0x200; *(uint8_t*)0x20000fa3 = 7; *(uint8_t*)0x20000fa4 = 0xfb; *(uint8_t*)0x20000fa5 = 8; syz_usb_connect(3, 0x126, 0x20000e80, 0); { int i; for (i = 0; i < 64; i++) { syz_usb_connect(3, 0x126, 0x20000e80, 0); } } break; } } int main(void) { syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul, 0ul); use_temporary_dir(); loop(); return 0; }