// https://syzkaller.appspot.com/bug?id=c2f000b7826e712b064b66b32ed73e21ee09d7a5 // 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 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 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 MAX_FDS 30 #define USB_MAX_IFACE_NUM 4 #define USB_MAX_EP_NUM 32 struct usb_iface_index { struct usb_interface_descriptor* iface; uint8_t bInterfaceNumber; uint8_t bAlternateSetting; uint8_t bInterfaceClass; struct usb_endpoint_descriptor 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; }; 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->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], buffer + offset, sizeof(iface->eps[iface->eps_num])); iface->eps_num++; } } offset += desc_length; } return true; } #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_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) 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_event_fetch(int fd, struct usb_raw_event* event) { return ioctl(fd, USB_RAW_IOCTL_EVENT_FETCH, event); } 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_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_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); } #define MAX_USB_FDS 6 struct usb_info { int fd; struct usb_device_index index; }; static struct usb_info usb_devices[MAX_USB_FDS]; static int usb_devices_num; static struct usb_device_index* add_usb_index(int fd, char* dev, size_t dev_len) { int i = __atomic_fetch_add(&usb_devices_num, 1, __ATOMIC_RELAXED); if (i >= MAX_USB_FDS) return NULL; int rv = 0; rv = parse_usb_descriptor(dev, dev_len, &usb_devices[i].index); if (!rv) 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) { int i; for (i = 0; i < MAX_USB_FDS; i++) { if (__atomic_load_n(&usb_devices[i].fd, __ATOMIC_ACQUIRE) == fd) { return &usb_devices[i].index; } } return NULL; } static void set_interface(int fd, int n) { struct usb_device_index* index = lookup_usb_index(fd); int ep; if (!index) return; if (index->iface_cur >= 0 && index->iface_cur < index->ifaces_num) { for (ep = 0; ep < index->ifaces[index->iface_cur].eps_num; ep++) { int rv = usb_raw_ep_disable(fd, ep); if (rv < 0) { } else { } } } if (n >= 0 && n < index->ifaces_num) { for (ep = 0; ep < index->ifaces[n].eps_num; ep++) { int rv = usb_raw_ep_enable(fd, &index->ifaces[n].eps[ep]); if (rv < 0) { } else { } } 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; } #define USB_MAX_PACKET_SIZE 1024 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]; }; 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(int fd, struct vusb_connect_descriptors* descs, 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: 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; } 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; 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( fd, descs, &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 = 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 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++) { int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { 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; } } } void execute_one(void) { *(uint8_t*)0x20000540 = 0x12; *(uint8_t*)0x20000541 = 1; *(uint16_t*)0x20000542 = 0x110; *(uint8_t*)0x20000544 = 0; *(uint8_t*)0x20000545 = 0x2e; *(uint8_t*)0x20000546 = 0xac; *(uint8_t*)0x20000547 = 0x10; *(uint16_t*)0x20000548 = 0x2040; *(uint16_t*)0x2000054a = 0xd300; *(uint16_t*)0x2000054c = 0xf871; *(uint8_t*)0x2000054e = 1; *(uint8_t*)0x2000054f = 2; *(uint8_t*)0x20000550 = 3; *(uint8_t*)0x20000551 = 1; *(uint8_t*)0x20000552 = 9; *(uint8_t*)0x20000553 = 2; *(uint16_t*)0x20000554 = 0x138; *(uint8_t*)0x20000556 = 2; *(uint8_t*)0x20000557 = 2; *(uint8_t*)0x20000558 = 5; *(uint8_t*)0x20000559 = 0x80; *(uint8_t*)0x2000055a = 1; *(uint8_t*)0x2000055b = 9; *(uint8_t*)0x2000055c = 4; *(uint8_t*)0x2000055d = 0x21; *(uint8_t*)0x2000055e = 0; *(uint8_t*)0x2000055f = 8; *(uint8_t*)0x20000560 = 0xd5; *(uint8_t*)0x20000561 = 0x62; *(uint8_t*)0x20000562 = 0x2e; *(uint8_t*)0x20000563 = 0x7f; *(uint8_t*)0x20000564 = 9; *(uint8_t*)0x20000565 = 5; *(uint8_t*)0x20000566 = 1; *(uint8_t*)0x20000567 = 0; *(uint16_t*)0x20000568 = 0x400; *(uint8_t*)0x2000056a = 9; *(uint8_t*)0x2000056b = 2; *(uint8_t*)0x2000056c = 6; *(uint8_t*)0x2000056d = 9; *(uint8_t*)0x2000056e = 5; *(uint8_t*)0x2000056f = 8; *(uint8_t*)0x20000570 = 0; *(uint16_t*)0x20000571 = 0; *(uint8_t*)0x20000573 = 0x40; *(uint8_t*)0x20000574 = 1; *(uint8_t*)0x20000575 = -1; *(uint8_t*)0x20000576 = 9; *(uint8_t*)0x20000577 = 5; *(uint8_t*)0x20000578 = 0xc; *(uint8_t*)0x20000579 = 0x10; *(uint16_t*)0x2000057a = 0x40; *(uint8_t*)0x2000057c = 0xa6; *(uint8_t*)0x2000057d = 1; *(uint8_t*)0x2000057e = 0xdb; *(uint8_t*)0x2000057f = 9; *(uint8_t*)0x20000580 = 5; *(uint8_t*)0x20000581 = 0xa; *(uint8_t*)0x20000582 = 0xc; *(uint16_t*)0x20000583 = 0x6cb4; *(uint8_t*)0x20000585 = 0x80; *(uint8_t*)0x20000586 = 7; *(uint8_t*)0x20000587 = 0x76; *(uint8_t*)0x20000588 = 9; *(uint8_t*)0x20000589 = 5; *(uint8_t*)0x2000058a = 1; *(uint8_t*)0x2000058b = 0; *(uint16_t*)0x2000058c = 0x3ff; *(uint8_t*)0x2000058e = 9; *(uint8_t*)0x2000058f = 5; *(uint8_t*)0x20000590 = 0xe; *(uint8_t*)0x20000591 = 2; *(uint8_t*)0x20000592 = 6; *(uint8_t*)0x20000593 = 9; *(uint8_t*)0x20000594 = 5; *(uint8_t*)0x20000595 = 3; *(uint8_t*)0x20000596 = 4; *(uint16_t*)0x20000597 = 0x3ff; *(uint8_t*)0x20000599 = 0x47; *(uint8_t*)0x2000059a = -1; *(uint8_t*)0x2000059b = 0x81; *(uint8_t*)0x2000059c = 9; *(uint8_t*)0x2000059d = 5; *(uint8_t*)0x2000059e = 5; *(uint8_t*)0x2000059f = 0x10; *(uint16_t*)0x200005a0 = 0x20; *(uint8_t*)0x200005a2 = 2; *(uint8_t*)0x200005a3 = 1; *(uint8_t*)0x200005a4 = 0xfe; *(uint8_t*)0x200005a5 = 7; *(uint8_t*)0x200005a6 = 0x25; *(uint8_t*)0x200005a7 = 1; *(uint8_t*)0x200005a8 = 1; *(uint8_t*)0x200005a9 = 4; *(uint16_t*)0x200005aa = 6; *(uint8_t*)0x200005ac = 7; *(uint8_t*)0x200005ad = 0x25; *(uint8_t*)0x200005ae = 1; *(uint8_t*)0x200005af = 2; *(uint8_t*)0x200005b0 = 0xb8; *(uint16_t*)0x200005b1 = 0xfba9; *(uint8_t*)0x200005b3 = 9; *(uint8_t*)0x200005b4 = 5; *(uint8_t*)0x200005b5 = 3; *(uint8_t*)0x200005b6 = 1; *(uint16_t*)0x200005b7 = 0x3ff; *(uint8_t*)0x200005b9 = 9; *(uint8_t*)0x200005ba = 1; *(uint8_t*)0x200005bb = 3; *(uint8_t*)0x200005bc = 7; *(uint8_t*)0x200005bd = 0x25; *(uint8_t*)0x200005be = 1; *(uint8_t*)0x200005bf = 3; *(uint8_t*)0x200005c0 = 0x81; *(uint16_t*)0x200005c1 = 0x5780; *(uint8_t*)0x200005c3 = 9; *(uint8_t*)0x200005c4 = 4; *(uint8_t*)0x200005c5 = 0xde; *(uint8_t*)0x200005c6 = 0x40; *(uint8_t*)0x200005c7 = 0xd; *(uint8_t*)0x200005c8 = -1; *(uint8_t*)0x200005c9 = 0x6e; *(uint8_t*)0x200005ca = 0x1c; *(uint8_t*)0x200005cb = 0xd4; *(uint8_t*)0x200005cc = 9; *(uint8_t*)0x200005cd = 5; *(uint8_t*)0x200005ce = 0; *(uint8_t*)0x200005cf = 0; *(uint16_t*)0x200005d0 = 0x200; *(uint8_t*)0x200005d2 = 7; *(uint8_t*)0x200005d3 = 1; *(uint8_t*)0x200005d4 = 0; *(uint8_t*)0x200005d5 = 7; *(uint8_t*)0x200005d6 = 0x25; *(uint8_t*)0x200005d7 = 1; *(uint8_t*)0x200005d8 = 0x80; *(uint8_t*)0x200005d9 = 0; *(uint16_t*)0x200005da = 0x1000; *(uint8_t*)0x200005dc = 7; *(uint8_t*)0x200005dd = 0x25; *(uint8_t*)0x200005de = 1; *(uint8_t*)0x200005df = 0x80; *(uint8_t*)0x200005e0 = 3; *(uint16_t*)0x200005e1 = 6; *(uint8_t*)0x200005e3 = 9; *(uint8_t*)0x200005e4 = 5; *(uint8_t*)0x200005e5 = 0x80; *(uint8_t*)0x200005e6 = 4; *(uint16_t*)0x200005e7 = 8; *(uint8_t*)0x200005e9 = 9; *(uint8_t*)0x200005ea = 0x80; *(uint8_t*)0x200005eb = 0x97; *(uint8_t*)0x200005ec = 9; *(uint8_t*)0x200005ed = 5; *(uint8_t*)0x200005ee = 9; *(uint8_t*)0x200005ef = 0; *(uint16_t*)0x200005f0 = 0x400; *(uint8_t*)0x200005f2 = 0x20; *(uint8_t*)0x200005f3 = 8; *(uint8_t*)0x200005f4 = 0x10; *(uint8_t*)0x200005f5 = 7; *(uint8_t*)0x200005f6 = 0x25; *(uint8_t*)0x200005f7 = 1; *(uint8_t*)0x200005f8 = 1; *(uint8_t*)0x200005f9 = 0x5f; *(uint16_t*)0x200005fa = 0xdf; *(uint8_t*)0x200005fc = 9; *(uint8_t*)0x200005fd = 5; *(uint8_t*)0x200005fe = 3; *(uint8_t*)0x200005ff = 8; *(uint16_t*)0x20000600 = 0x20; *(uint8_t*)0x20000602 = 3; *(uint8_t*)0x20000603 = -1; *(uint8_t*)0x20000604 = 0x50; *(uint8_t*)0x20000605 = 7; *(uint8_t*)0x20000606 = 0x25; *(uint8_t*)0x20000607 = 1; *(uint8_t*)0x20000608 = 0x82; *(uint8_t*)0x20000609 = 0xc8; *(uint16_t*)0x2000060a = 0x12bc; *(uint8_t*)0x2000060c = 9; *(uint8_t*)0x2000060d = 5; *(uint8_t*)0x2000060e = 8; *(uint8_t*)0x2000060f = 0xc; *(uint16_t*)0x20000610 = 0x40; *(uint8_t*)0x20000612 = 1; *(uint8_t*)0x20000613 = -1; *(uint8_t*)0x20000614 = 8; *(uint8_t*)0x20000615 = 7; *(uint8_t*)0x20000616 = 0x25; *(uint8_t*)0x20000617 = 1; *(uint8_t*)0x20000618 = 0x82; *(uint8_t*)0x20000619 = 0x20; *(uint16_t*)0x2000061a = 8; *(uint8_t*)0x2000061c = 7; *(uint8_t*)0x2000061d = 0x25; *(uint8_t*)0x2000061e = 1; *(uint8_t*)0x2000061f = 3; *(uint8_t*)0x20000620 = 0xc0; *(uint16_t*)0x20000621 = 0; *(uint8_t*)0x20000623 = 9; *(uint8_t*)0x20000624 = 5; *(uint8_t*)0x20000625 = 5; *(uint8_t*)0x20000626 = 0; *(uint16_t*)0x20000627 = 0x20; *(uint8_t*)0x20000629 = 1; *(uint8_t*)0x2000062a = 8; *(uint8_t*)0x2000062b = 0x7f; *(uint8_t*)0x2000062c = 9; *(uint8_t*)0x2000062d = 5; *(uint8_t*)0x2000062e = 5; *(uint8_t*)0x2000062f = 0x10; *(uint16_t*)0x20000630 = 0x400; *(uint8_t*)0x20000632 = 1; *(uint8_t*)0x20000633 = 5; *(uint8_t*)0x20000634 = 2; *(uint8_t*)0x20000635 = 2; *(uint8_t*)0x20000636 = 7; *(uint8_t*)0x20000637 = 9; *(uint8_t*)0x20000638 = 5; *(uint8_t*)0x20000639 = 0xe; *(uint8_t*)0x2000063a = 0; *(uint16_t*)0x2000063b = 0x20; *(uint8_t*)0x2000063d = 3; *(uint8_t*)0x2000063e = -1; *(uint8_t*)0x2000063f = 0x39; *(uint8_t*)0x20000640 = 2; *(uint8_t*)0x20000641 = 0xd; *(uint8_t*)0x20000642 = 7; *(uint8_t*)0x20000643 = 0x25; *(uint8_t*)0x20000644 = 1; *(uint8_t*)0x20000645 = 0x80; *(uint8_t*)0x20000646 = 0x1c; *(uint16_t*)0x20000647 = 0x400; *(uint8_t*)0x20000649 = 9; *(uint8_t*)0x2000064a = 5; *(uint8_t*)0x2000064b = 4; *(uint8_t*)0x2000064c = 0; *(uint16_t*)0x2000064d = 0x400; *(uint8_t*)0x2000064f = 3; *(uint8_t*)0x20000650 = 1; *(uint8_t*)0x20000651 = 1; *(uint8_t*)0x20000652 = 7; *(uint8_t*)0x20000653 = 0x25; *(uint8_t*)0x20000654 = 1; *(uint8_t*)0x20000655 = 3; *(uint8_t*)0x20000656 = 7; *(uint16_t*)0x20000657 = 0x20; *(uint8_t*)0x20000659 = 9; *(uint8_t*)0x2000065a = 5; *(uint8_t*)0x2000065b = 2; *(uint8_t*)0x2000065c = 0x10; *(uint16_t*)0x2000065d = 0x400; *(uint8_t*)0x2000065f = 0x3f; *(uint8_t*)0x20000660 = 5; *(uint8_t*)0x20000661 = 0xc4; *(uint8_t*)0x20000662 = 9; *(uint8_t*)0x20000663 = 5; *(uint8_t*)0x20000664 = 9; *(uint8_t*)0x20000665 = 3; *(uint16_t*)0x20000666 = 0x200; *(uint8_t*)0x20000668 = 9; *(uint8_t*)0x20000669 = 9; *(uint8_t*)0x2000066a = 0; *(uint8_t*)0x2000066b = 2; *(uint8_t*)0x2000066c = 0x21; *(uint8_t*)0x2000066d = 9; *(uint8_t*)0x2000066e = 5; *(uint8_t*)0x2000066f = 7; *(uint8_t*)0x20000670 = 0xc; *(uint16_t*)0x20000671 = 0x200; *(uint8_t*)0x20000673 = 4; *(uint8_t*)0x20000674 = 4; *(uint8_t*)0x20000675 = 0xba; *(uint8_t*)0x20000676 = 2; *(uint8_t*)0x20000677 = 0xb; *(uint8_t*)0x20000678 = 9; *(uint8_t*)0x20000679 = 5; *(uint8_t*)0x2000067a = 7; *(uint8_t*)0x2000067b = 2; *(uint16_t*)0x2000067c = 8; *(uint8_t*)0x2000067e = 0x5f; *(uint8_t*)0x2000067f = 2; *(uint8_t*)0x20000680 = 1; *(uint8_t*)0x20000681 = 7; *(uint8_t*)0x20000682 = 0x25; *(uint8_t*)0x20000683 = 1; *(uint8_t*)0x20000684 = 0x82; *(uint8_t*)0x20000685 = 0x1a; *(uint16_t*)0x20000686 = 0xac; *(uint8_t*)0x20000688 = 2; *(uint8_t*)0x20000689 = 0x22; syz_usb_connect(0, 0x14a, 0x20000540, 0); } int main(void) { syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0); loop(); return 0; }