// https://syzkaller.appspot.com/bug?id=8b06c3f3fe7c6602ba2421e5d710623e1a3a138d // 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 static unsigned long long procid; static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } #define MAX_FDS 30 #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 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; } 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; } 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, struct usb_qualifier_descriptor* qual, 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) { 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_data = (char*)qual; *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; } #define UDC_NAME_LENGTH_MAX 128 struct usb_raw_init { __u8 driver_name[UDC_NAME_LENGTH_MAX]; __u8 device_name[UDC_NAME_LENGTH_MAX]; __u8 speed; }; enum usb_raw_event_type { USB_RAW_EVENT_INVALID = 0, USB_RAW_EVENT_CONNECT = 1, USB_RAW_EVENT_CONTROL = 2, }; struct usb_raw_event { __u32 type; __u32 length; __u8 data[0]; }; struct usb_raw_ep_io { __u16 ep; __u16 flags; __u32 length; __u8 data[0]; }; #define USB_RAW_EPS_NUM_MAX 30 #define USB_RAW_EP_NAME_MAX 16 #define USB_RAW_EP_ADDR_ANY 0xff struct usb_raw_ep_caps { __u32 type_control : 1; __u32 type_iso : 1; __u32 type_bulk : 1; __u32 type_int : 1; __u32 dir_in : 1; __u32 dir_out : 1; }; struct usb_raw_ep_limits { __u16 maxpacket_limit; __u16 max_streams; __u32 reserved; }; struct usb_raw_ep_info { __u8 name[USB_RAW_EP_NAME_MAX]; __u32 addr; struct usb_raw_ep_caps caps; struct usb_raw_ep_limits limits; }; struct usb_raw_eps_info { struct usb_raw_ep_info eps[USB_RAW_EPS_NUM_MAX]; }; #define USB_RAW_IOCTL_INIT _IOW('U', 0, struct usb_raw_init) #define USB_RAW_IOCTL_RUN _IO('U', 1) #define USB_RAW_IOCTL_EVENT_FETCH _IOR('U', 2, struct usb_raw_event) #define USB_RAW_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP0_READ _IOWR('U', 4, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP_ENABLE _IOW('U', 5, struct usb_endpoint_descriptor) #define USB_RAW_IOCTL_EP_DISABLE _IOW('U', 6, __u32) #define USB_RAW_IOCTL_EP_WRITE _IOW('U', 7, struct usb_raw_ep_io) #define USB_RAW_IOCTL_EP_READ _IOWR('U', 8, struct usb_raw_ep_io) #define USB_RAW_IOCTL_CONFIGURE _IO('U', 9) #define USB_RAW_IOCTL_VBUS_DRAW _IOW('U', 10, __u32) #define USB_RAW_IOCTL_EPS_INFO _IOR('U', 11, struct usb_raw_eps_info) #define USB_RAW_IOCTL_EP0_STALL _IO('U', 12) #define USB_RAW_IOCTL_EP_SET_HALT _IOW('U', 13, __u32) #define USB_RAW_IOCTL_EP_CLEAR_HALT _IOW('U', 14, __u32) #define USB_RAW_IOCTL_EP_SET_WEDGE _IOW('U', 15, __u32) static int usb_raw_open() { return open("/dev/raw-gadget", O_RDWR); } static int usb_raw_init(int fd, uint32_t speed, const char* driver, const char* device) { struct usb_raw_init arg; strncpy((char*)&arg.driver_name[0], driver, sizeof(arg.driver_name)); strncpy((char*)&arg.device_name[0], device, sizeof(arg.device_name)); arg.speed = speed; return ioctl(fd, USB_RAW_IOCTL_INIT, &arg); } static int usb_raw_run(int fd) { return ioctl(fd, USB_RAW_IOCTL_RUN, 0); } static int usb_raw_configure(int fd) { return ioctl(fd, USB_RAW_IOCTL_CONFIGURE, 0); } static int usb_raw_vbus_draw(int fd, uint32_t power) { return ioctl(fd, USB_RAW_IOCTL_VBUS_DRAW, power); } static int usb_raw_ep0_write(int fd, struct usb_raw_ep_io* io) { return ioctl(fd, USB_RAW_IOCTL_EP0_WRITE, io); } static int usb_raw_ep0_read(int fd, struct usb_raw_ep_io* io) { return ioctl(fd, USB_RAW_IOCTL_EP0_READ, io); } static int usb_raw_event_fetch(int fd, struct usb_raw_event* event) { return ioctl(fd, USB_RAW_IOCTL_EVENT_FETCH, event); } static int usb_raw_ep_enable(int fd, struct usb_endpoint_descriptor* desc) { return ioctl(fd, USB_RAW_IOCTL_EP_ENABLE, desc); } static int usb_raw_ep_disable(int fd, int ep) { return ioctl(fd, USB_RAW_IOCTL_EP_DISABLE, ep); } static int usb_raw_ep0_stall(int fd) { return ioctl(fd, USB_RAW_IOCTL_EP0_STALL, 0); } #define USB_MAX_PACKET_SIZE 4096 struct usb_raw_control_event { struct usb_raw_event inner; struct usb_ctrlrequest ctrl; char data[USB_MAX_PACKET_SIZE]; }; struct usb_raw_ep_io_data { struct usb_raw_ep_io inner; char data[USB_MAX_PACKET_SIZE]; }; static void set_interface(int fd, int n) { struct usb_device_index* index = lookup_usb_index(fd); if (!index) return; if (index->iface_cur >= 0 && index->iface_cur < index->ifaces_num) { for (int ep = 0; ep < index->ifaces[index->iface_cur].eps_num; ep++) { int rv = usb_raw_ep_disable( fd, index->ifaces[index->iface_cur].eps[ep].handle); if (rv < 0) { } else { } } } if (n >= 0 && n < index->ifaces_num) { for (int ep = 0; ep < index->ifaces[n].eps_num; ep++) { int rv = usb_raw_ep_enable(fd, &index->ifaces[n].eps[ep].desc); if (rv < 0) { } else { index->ifaces[n].eps[ep].handle = rv; } } index->iface_cur = n; } } static int configure_device(int fd) { struct usb_device_index* index = lookup_usb_index(fd); if (!index) return -1; int rv = usb_raw_vbus_draw(fd, index->bMaxPower); if (rv < 0) { return rv; } rv = usb_raw_configure(fd); if (rv < 0) { return rv; } set_interface(fd, 0); return 0; } static volatile long syz_usb_connect_impl(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) { if (!dev) { return -1; } int fd = usb_raw_open(); if (fd < 0) { return fd; } if (fd >= MAX_FDS) { close(fd); return -1; } struct usb_device_index* index = add_usb_index(fd, dev, dev_len); if (!index) { return -1; } char device[32]; sprintf(&device[0], "dummy_udc.%llu", procid); int rv = usb_raw_init(fd, speed, "dummy_udc", &device[0]); if (rv < 0) { return rv; } rv = usb_raw_run(fd); if (rv < 0) { return rv; } bool done = false; while (!done) { struct usb_raw_control_event event; event.inner.type = 0; event.inner.length = sizeof(event.ctrl); rv = usb_raw_event_fetch(fd, (struct usb_raw_event*)&event); if (rv < 0) { return rv; } if (event.inner.type != USB_RAW_EVENT_CONTROL) continue; char* response_data = NULL; uint32_t response_length = 0; struct usb_qualifier_descriptor qual; if (event.ctrl.bRequestType & USB_DIR_IN) { if (!lookup_connect_response_in(fd, descs, &event.ctrl, &qual, &response_data, &response_length)) { usb_raw_ep0_stall(fd); continue; } } else { if (!lookup_connect_response_out(fd, descs, &event.ctrl, &done)) { usb_raw_ep0_stall(fd); continue; } response_data = NULL; response_length = event.ctrl.wLength; } if ((event.ctrl.bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD && event.ctrl.bRequest == USB_REQ_SET_CONFIGURATION) { rv = configure_device(fd); if (rv < 0) { return rv; } } struct usb_raw_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_raw_ep0_write(fd, (struct usb_raw_ep_io*)&response); } else { rv = usb_raw_ep0_read(fd, (struct usb_raw_ep_io*)&response); } if (rv < 0) { return rv; } } 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; return syz_usb_connect_impl(speed, dev_len, dev, descs, &lookup_connect_response_out_generic); } int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); *(uint8_t*)0x20000480 = 0x12; *(uint8_t*)0x20000481 = 1; *(uint16_t*)0x20000482 = 0x300; *(uint8_t*)0x20000484 = 0xc1; *(uint8_t*)0x20000485 = 0x93; *(uint8_t*)0x20000486 = 0xd6; *(uint8_t*)0x20000487 = 0x20; *(uint16_t*)0x20000488 = 0x7ca; *(uint16_t*)0x2000048a = 0xb800; *(uint16_t*)0x2000048c = 0xb9c5; *(uint8_t*)0x2000048e = 1; *(uint8_t*)0x2000048f = 2; *(uint8_t*)0x20000490 = 3; *(uint8_t*)0x20000491 = 1; *(uint8_t*)0x20000492 = 9; *(uint8_t*)0x20000493 = 2; *(uint16_t*)0x20000494 = 0x1aa; *(uint8_t*)0x20000496 = 3; *(uint8_t*)0x20000497 = 6; *(uint8_t*)0x20000498 = 0x5d; *(uint8_t*)0x20000499 = 0x20; *(uint8_t*)0x2000049a = 0xd3; *(uint8_t*)0x2000049b = 9; *(uint8_t*)0x2000049c = 4; *(uint8_t*)0x2000049d = 0xc7; *(uint8_t*)0x2000049e = 0x80; *(uint8_t*)0x2000049f = 0xf; *(uint8_t*)0x200004a0 = 3; *(uint8_t*)0x200004a1 = 0; *(uint8_t*)0x200004a2 = 0; *(uint8_t*)0x200004a3 = 1; *(uint8_t*)0x200004a4 = 9; *(uint8_t*)0x200004a5 = 5; *(uint8_t*)0x200004a6 = 0xc; *(uint8_t*)0x200004a7 = 0; *(uint16_t*)0x200004a8 = 0x40; *(uint8_t*)0x200004aa = 3; *(uint8_t*)0x200004ab = 0x53; *(uint8_t*)0x200004ac = 0x80; *(uint8_t*)0x200004ad = 2; *(uint8_t*)0x200004ae = 0x23; *(uint8_t*)0x200004af = 9; *(uint8_t*)0x200004b0 = 5; *(uint8_t*)0x200004b1 = 4; *(uint8_t*)0x200004b2 = 0x10; *(uint16_t*)0x200004b3 = 8; *(uint8_t*)0x200004b5 = 6; *(uint8_t*)0x200004b6 = 0xe3; *(uint8_t*)0x200004b7 = 0x1f; *(uint8_t*)0x200004b8 = 2; *(uint8_t*)0x200004b9 = 0x21; *(uint8_t*)0x200004ba = 7; *(uint8_t*)0x200004bb = 0x25; *(uint8_t*)0x200004bc = 1; *(uint8_t*)0x200004bd = 0x80; *(uint8_t*)0x200004be = 3; *(uint16_t*)0x200004bf = 0x476; *(uint8_t*)0x200004c1 = 9; *(uint8_t*)0x200004c2 = 5; *(uint8_t*)0x200004c3 = 8; *(uint8_t*)0x200004c4 = 0; *(uint16_t*)0x200004c5 = 0x200; *(uint8_t*)0x200004c7 = 0x5c; *(uint8_t*)0x200004c8 = 4; *(uint8_t*)0x200004c9 = 6; *(uint8_t*)0x200004ca = 9; *(uint8_t*)0x200004cb = 5; *(uint8_t*)0x200004cc = 0; *(uint8_t*)0x200004cd = 2; *(uint16_t*)0x200004ce = 0x10; *(uint8_t*)0x200004d0 = 0x7d; *(uint8_t*)0x200004d1 = 8; *(uint8_t*)0x200004d2 = 0; *(uint8_t*)0x200004d3 = 7; *(uint8_t*)0x200004d4 = 0x25; *(uint8_t*)0x200004d5 = 1; *(uint8_t*)0x200004d6 = 3; *(uint8_t*)0x200004d7 = 0xa8; *(uint16_t*)0x200004d8 = 1; *(uint8_t*)0x200004da = 9; *(uint8_t*)0x200004db = 5; *(uint8_t*)0x200004dc = 7; *(uint8_t*)0x200004dd = 0x10; *(uint16_t*)0x200004de = 0x10; *(uint8_t*)0x200004e0 = 0; *(uint8_t*)0x200004e1 = 3; *(uint8_t*)0x200004e2 = 4; *(uint8_t*)0x200004e3 = 2; *(uint8_t*)0x200004e4 = 0x36; *(uint8_t*)0x200004e5 = 7; *(uint8_t*)0x200004e6 = 0x25; *(uint8_t*)0x200004e7 = 1; *(uint8_t*)0x200004e8 = 2; *(uint8_t*)0x200004e9 = 0; *(uint16_t*)0x200004ea = 1; *(uint8_t*)0x200004ec = 9; *(uint8_t*)0x200004ed = 5; *(uint8_t*)0x200004ee = 8; *(uint8_t*)0x200004ef = 0x10; *(uint16_t*)0x200004f0 = 0x400; *(uint8_t*)0x200004f2 = 5; *(uint8_t*)0x200004f3 = 0xd3; *(uint8_t*)0x200004f4 = 0xa0; *(uint8_t*)0x200004f5 = 9; *(uint8_t*)0x200004f6 = 5; *(uint8_t*)0x200004f7 = 9; *(uint8_t*)0x200004f8 = 1; *(uint16_t*)0x200004f9 = 0x200; *(uint8_t*)0x200004fb = 8; *(uint8_t*)0x200004fc = 7; *(uint8_t*)0x200004fd = 9; *(uint8_t*)0x200004fe = 2; *(uint8_t*)0x200004ff = 0xf; *(uint8_t*)0x20000500 = 2; *(uint8_t*)0x20000501 = 0xe; *(uint8_t*)0x20000502 = 9; *(uint8_t*)0x20000503 = 5; *(uint8_t*)0x20000504 = 2; *(uint8_t*)0x20000505 = 2; *(uint16_t*)0x20000506 = 8; *(uint8_t*)0x20000508 = 9; *(uint8_t*)0x20000509 = 9; *(uint8_t*)0x2000050a = 4; *(uint8_t*)0x2000050b = 9; *(uint8_t*)0x2000050c = 5; *(uint8_t*)0x2000050d = 1; *(uint8_t*)0x2000050e = 0; *(uint16_t*)0x2000050f = 0x200; *(uint8_t*)0x20000511 = 3; *(uint8_t*)0x20000512 = 7; *(uint8_t*)0x20000513 = 2; *(uint8_t*)0x20000514 = 9; *(uint8_t*)0x20000515 = 5; *(uint8_t*)0x20000516 = 5; *(uint8_t*)0x20000517 = 4; *(uint16_t*)0x20000518 = 0x400; *(uint8_t*)0x2000051a = 0x3f; *(uint8_t*)0x2000051b = 7; *(uint8_t*)0x2000051c = 0; *(uint8_t*)0x2000051d = 9; *(uint8_t*)0x2000051e = 5; *(uint8_t*)0x2000051f = 1; *(uint8_t*)0x20000520 = 0x10; *(uint16_t*)0x20000521 = 0x7ef; *(uint8_t*)0x20000523 = 7; *(uint8_t*)0x20000524 = 2; *(uint8_t*)0x20000525 = 0; *(uint8_t*)0x20000526 = 7; *(uint8_t*)0x20000527 = 0x25; *(uint8_t*)0x20000528 = 1; *(uint8_t*)0x20000529 = 0; *(uint8_t*)0x2000052a = 2; *(uint16_t*)0x2000052b = 2; *(uint8_t*)0x2000052d = 9; *(uint8_t*)0x2000052e = 5; *(uint8_t*)0x2000052f = 0xa; *(uint8_t*)0x20000530 = 0x10; *(uint16_t*)0x20000531 = 0x200; *(uint8_t*)0x20000533 = 2; *(uint8_t*)0x20000534 = 0x69; *(uint8_t*)0x20000535 = 2; *(uint8_t*)0x20000536 = 2; *(uint8_t*)0x20000537 = 0x21; *(uint8_t*)0x20000538 = 9; *(uint8_t*)0x20000539 = 5; *(uint8_t*)0x2000053a = 0xd; *(uint8_t*)0x2000053b = 1; *(uint16_t*)0x2000053c = 0x40; *(uint8_t*)0x2000053e = 3; *(uint8_t*)0x2000053f = 9; *(uint8_t*)0x20000540 = 4; *(uint8_t*)0x20000541 = 7; *(uint8_t*)0x20000542 = 0x25; *(uint8_t*)0x20000543 = 1; *(uint8_t*)0x20000544 = 0; *(uint8_t*)0x20000545 = 0xca; *(uint16_t*)0x20000546 = 2; *(uint8_t*)0x20000548 = 2; *(uint8_t*)0x20000549 = 0x2e; *(uint8_t*)0x2000054a = 9; *(uint8_t*)0x2000054b = 5; *(uint8_t*)0x2000054c = 0xf; *(uint8_t*)0x2000054d = 8; *(uint16_t*)0x2000054e = 0x40; *(uint8_t*)0x20000550 = 0xa6; *(uint8_t*)0x20000551 = 9; *(uint8_t*)0x20000552 = 0x44; *(uint8_t*)0x20000553 = 7; *(uint8_t*)0x20000554 = 0x25; *(uint8_t*)0x20000555 = 1; *(uint8_t*)0x20000556 = 0x80; *(uint8_t*)0x20000557 = 0x18; *(uint16_t*)0x20000558 = 9; *(uint8_t*)0x2000055a = 7; *(uint8_t*)0x2000055b = 0x25; *(uint8_t*)0x2000055c = 1; *(uint8_t*)0x2000055d = 2; *(uint8_t*)0x2000055e = 0x7e; *(uint16_t*)0x2000055f = 0x7fff; *(uint8_t*)0x20000561 = 9; *(uint8_t*)0x20000562 = 5; *(uint8_t*)0x20000563 = 4; *(uint8_t*)0x20000564 = 0; *(uint16_t*)0x20000565 = 0x200; *(uint8_t*)0x20000567 = 1; *(uint8_t*)0x20000568 = 0xbc; *(uint8_t*)0x20000569 = -1; *(uint8_t*)0x2000056a = 9; *(uint8_t*)0x2000056b = 4; *(uint8_t*)0x2000056c = 0x30; *(uint8_t*)0x2000056d = 8; *(uint8_t*)0x2000056e = 1; *(uint8_t*)0x2000056f = 0xaa; *(uint8_t*)0x20000570 = 0xcc; *(uint8_t*)0x20000571 = 0xa0; *(uint8_t*)0x20000572 = 0x95; *(uint8_t*)0x20000573 = 9; *(uint8_t*)0x20000574 = 5; *(uint8_t*)0x20000575 = 0xa; *(uint8_t*)0x20000576 = 0xc; *(uint16_t*)0x20000577 = 0x40; *(uint8_t*)0x20000579 = 1; *(uint8_t*)0x2000057a = -1; *(uint8_t*)0x2000057b = 5; *(uint8_t*)0x2000057c = 2; *(uint8_t*)0x2000057d = 0xa; *(uint8_t*)0x2000057e = 7; *(uint8_t*)0x2000057f = 0x25; *(uint8_t*)0x20000580 = 1; *(uint8_t*)0x20000581 = 0x83; *(uint8_t*)0x20000582 = 5; *(uint16_t*)0x20000583 = 0x1e9; *(uint8_t*)0x20000585 = 9; *(uint8_t*)0x20000586 = 4; *(uint8_t*)0x20000587 = 0x69; *(uint8_t*)0x20000588 = 0x81; *(uint8_t*)0x20000589 = 7; *(uint8_t*)0x2000058a = 0xcf; *(uint8_t*)0x2000058b = 0x2c; *(uint8_t*)0x2000058c = 0xfa; *(uint8_t*)0x2000058d = 1; *(uint8_t*)0x2000058e = 5; *(uint8_t*)0x2000058f = 0x24; *(uint8_t*)0x20000590 = 6; *(uint8_t*)0x20000591 = 0; *(uint8_t*)0x20000592 = 0; *(uint8_t*)0x20000593 = 5; *(uint8_t*)0x20000594 = 0x24; *(uint8_t*)0x20000595 = 0; *(uint16_t*)0x20000596 = 0x40c5; *(uint8_t*)0x20000598 = 0xd; *(uint8_t*)0x20000599 = 0x24; *(uint8_t*)0x2000059a = 0xf; *(uint8_t*)0x2000059b = 1; *(uint32_t*)0x2000059c = 0x3684; *(uint16_t*)0x200005a0 = 2; *(uint16_t*)0x200005a2 = 0x8001; *(uint8_t*)0x200005a4 = 2; *(uint8_t*)0x200005a5 = 0xa; *(uint8_t*)0x200005a6 = 0x24; *(uint8_t*)0x200005a7 = 1; *(uint16_t*)0x200005a8 = 0x7fff; *(uint8_t*)0x200005aa = 9; *(uint8_t*)0x200005ab = 2; *(uint8_t*)0x200005ac = 1; *(uint8_t*)0x200005ad = 2; *(uint8_t*)0x200005ae = 7; *(uint8_t*)0x200005af = 0x24; *(uint8_t*)0x200005b0 = 7; *(uint8_t*)0x200005b1 = 4; *(uint16_t*)0x200005b2 = 1; *(uint8_t*)0x200005b4 = 1; *(uint8_t*)0x200005b5 = 0xc; *(uint8_t*)0x200005b6 = 0x24; *(uint8_t*)0x200005b7 = 2; *(uint8_t*)0x200005b8 = 6; *(uint16_t*)0x200005b9 = 0x203; *(uint8_t*)0x200005bb = 2; *(uint8_t*)0x200005bc = 0xbc; *(uint16_t*)0x200005bd = 1; *(uint8_t*)0x200005bf = 7; *(uint8_t*)0x200005c0 = 7; *(uint8_t*)0x200005c1 = 9; *(uint8_t*)0x200005c2 = 0x24; *(uint8_t*)0x200005c3 = 3; *(uint8_t*)0x200005c4 = 3; *(uint16_t*)0x200005c5 = 0x1ff; *(uint8_t*)0x200005c7 = 0x20; *(uint8_t*)0x200005c8 = 4; *(uint8_t*)0x200005c9 = 0x1d; *(uint8_t*)0x200005ca = 0xc; *(uint8_t*)0x200005cb = 0x24; *(uint8_t*)0x200005cc = 2; *(uint8_t*)0x200005cd = 2; *(uint16_t*)0x200005ce = 0x206; *(uint8_t*)0x200005d0 = 6; *(uint8_t*)0x200005d1 = 1; *(uint16_t*)0x200005d2 = 0x1000; *(uint8_t*)0x200005d4 = 0; *(uint8_t*)0x200005d5 = 0x18; *(uint8_t*)0x200005d6 = 0xc; *(uint8_t*)0x200005d7 = 0x24; *(uint8_t*)0x200005d8 = 2; *(uint8_t*)0x200005d9 = 6; *(uint16_t*)0x200005da = 0x202; *(uint8_t*)0x200005dc = 4; *(uint8_t*)0x200005dd = 0x1f; *(uint16_t*)0x200005de = 0; *(uint8_t*)0x200005e0 = 8; *(uint8_t*)0x200005e1 = 0x81; *(uint8_t*)0x200005e2 = 0xc; *(uint8_t*)0x200005e3 = 0x24; *(uint8_t*)0x200005e4 = 2; *(uint8_t*)0x200005e5 = 5; *(uint16_t*)0x200005e6 = 0x201; *(uint8_t*)0x200005e8 = 4; *(uint8_t*)0x200005e9 = 6; *(uint16_t*)0x200005ea = 0x4144; *(uint8_t*)0x200005ec = 0x8a; *(uint8_t*)0x200005ed = 1; *(uint8_t*)0x200005ee = 9; *(uint8_t*)0x200005ef = 5; *(uint8_t*)0x200005f0 = 0; *(uint8_t*)0x200005f1 = 0xc; *(uint16_t*)0x200005f2 = 0x10; *(uint8_t*)0x200005f4 = 0x81; *(uint8_t*)0x200005f5 = 1; *(uint8_t*)0x200005f6 = 0; *(uint8_t*)0x200005f7 = 9; *(uint8_t*)0x200005f8 = 5; *(uint8_t*)0x200005f9 = 9; *(uint8_t*)0x200005fa = 0; *(uint16_t*)0x200005fb = 0x200; *(uint8_t*)0x200005fd = 8; *(uint8_t*)0x200005fe = -1; *(uint8_t*)0x200005ff = 0x39; *(uint8_t*)0x20000600 = 2; *(uint8_t*)0x20000601 = 0xe; *(uint8_t*)0x20000602 = 9; *(uint8_t*)0x20000603 = 5; *(uint8_t*)0x20000604 = 0; *(uint8_t*)0x20000605 = 0x10; *(uint16_t*)0x20000606 = 0x3ff; *(uint8_t*)0x20000608 = -1; *(uint8_t*)0x20000609 = 0xfe; *(uint8_t*)0x2000060a = 0x14; *(uint8_t*)0x2000060b = 9; *(uint8_t*)0x2000060c = 5; *(uint8_t*)0x2000060d = 6; *(uint8_t*)0x2000060e = 0; *(uint16_t*)0x2000060f = 0x200; *(uint8_t*)0x20000611 = 0xc1; *(uint8_t*)0x20000612 = 2; *(uint8_t*)0x20000613 = 0; *(uint8_t*)0x20000614 = 2; *(uint8_t*)0x20000615 = 0xd; *(uint8_t*)0x20000616 = 9; *(uint8_t*)0x20000617 = 5; *(uint8_t*)0x20000618 = 2; *(uint8_t*)0x20000619 = 0x10; *(uint16_t*)0x2000061a = 0; *(uint8_t*)0x2000061c = 0xba; *(uint8_t*)0x2000061d = 0; *(uint8_t*)0x2000061e = 8; *(uint8_t*)0x2000061f = 2; *(uint8_t*)0x20000620 = 1; *(uint8_t*)0x20000621 = 9; *(uint8_t*)0x20000622 = 5; *(uint8_t*)0x20000623 = 7; *(uint8_t*)0x20000624 = 8; *(uint16_t*)0x20000625 = 0x400; *(uint8_t*)0x20000627 = 0; *(uint8_t*)0x20000628 = 8; *(uint8_t*)0x20000629 = 0x1f; *(uint8_t*)0x2000062a = 7; *(uint8_t*)0x2000062b = 0x25; *(uint8_t*)0x2000062c = 1; *(uint8_t*)0x2000062d = 0; *(uint8_t*)0x2000062e = 0x40; *(uint16_t*)0x2000062f = 0x173; *(uint8_t*)0x20000631 = 2; *(uint8_t*)0x20000632 = 4; *(uint8_t*)0x20000633 = 9; *(uint8_t*)0x20000634 = 5; *(uint8_t*)0x20000635 = 0xf; *(uint8_t*)0x20000636 = 3; *(uint16_t*)0x20000637 = 0x3ff; *(uint8_t*)0x20000639 = 4; *(uint8_t*)0x2000063a = 0x7f; *(uint8_t*)0x2000063b = 0x54; *(uint32_t*)0x200002c0 = 0; *(uint64_t*)0x200002c4 = 0; *(uint32_t*)0x200002cc = 0; *(uint64_t*)0x200002d0 = 0; *(uint32_t*)0x200002d8 = 7; *(uint32_t*)0x200002dc = 0; *(uint64_t*)0x200002e0 = 0; *(uint32_t*)0x200002e8 = 0; *(uint64_t*)0x200002ec = 0; *(uint32_t*)0x200002f4 = 0; *(uint64_t*)0x200002f8 = 0; *(uint32_t*)0x20000300 = 0; *(uint64_t*)0x20000304 = 0; *(uint32_t*)0x2000030c = 0; *(uint64_t*)0x20000310 = 0; *(uint32_t*)0x20000318 = 0; *(uint64_t*)0x2000031c = 0; *(uint32_t*)0x20000324 = 0; *(uint64_t*)0x20000328 = 0; syz_usb_connect(3, 0x1bc, 0x20000480, 0x200002c0); return 0; }