| // KASAN: use-after-free Read in parse_term_proc_unit |
| // https://syzkaller.appspot.com/bug?id=12f64e35b5315fee0ce978fdc255b2a7baf6be8e |
| // status:dup |
| // 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/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 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_DEBUG 0 |
| |
| #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; |
| 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 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->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_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; |
| } |
| |
| 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_DISABLE _IOW('U', 6, int) |
| #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) |
| |
| static int usb_fuzzer_open() |
| { |
| return open("/sys/kernel/debug/usb-fuzzer", O_RDWR); |
| } |
| |
| static 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); |
| } |
| |
| static int usb_fuzzer_run(int fd) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_RUN, 0); |
| } |
| |
| static int usb_fuzzer_event_fetch(int fd, struct usb_fuzzer_event* event) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EVENT_FETCH, event); |
| } |
| |
| static int usb_fuzzer_ep0_write(int fd, struct usb_fuzzer_ep_io* io) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EP0_WRITE, io); |
| } |
| |
| static int usb_fuzzer_ep0_read(int fd, struct usb_fuzzer_ep_io* io) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EP0_READ, io); |
| } |
| |
| static int usb_fuzzer_ep_enable(int fd, struct usb_endpoint_descriptor* desc) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EP_ENABLE, desc); |
| } |
| |
| static int usb_fuzzer_ep_disable(int fd, int ep) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EP_DISABLE, ep); |
| } |
| |
| static int usb_fuzzer_configure(int fd) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_CONFIGURE, 0); |
| } |
| |
| static int usb_fuzzer_vbus_draw(int fd, uint32_t power) |
| { |
| return ioctl(fd, USB_FUZZER_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_fuzzer_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_fuzzer_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_fuzzer_vbus_draw(fd, index->bMaxPower); |
| if (rv < 0) { |
| return rv; |
| } |
| rv = usb_fuzzer_configure(fd); |
| if (rv < 0) { |
| return rv; |
| } |
| set_interface(fd, 0); |
| return 0; |
| } |
| |
| #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(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_fuzzer_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_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( |
| 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_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; |
| } |
| |
| 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*)0x20001340 = 0x12; |
| *(uint8_t*)0x20001341 = 1; |
| *(uint16_t*)0x20001342 = 0; |
| *(uint8_t*)0x20001344 = 0; |
| *(uint8_t*)0x20001345 = 0; |
| *(uint8_t*)0x20001346 = 0; |
| *(uint8_t*)0x20001347 = 0x20; |
| *(uint16_t*)0x20001348 = 0x1d6b; |
| *(uint16_t*)0x2000134a = 0x101; |
| *(uint16_t*)0x2000134c = 0x40; |
| *(uint8_t*)0x2000134e = 1; |
| *(uint8_t*)0x2000134f = 2; |
| *(uint8_t*)0x20001350 = 3; |
| *(uint8_t*)0x20001351 = 1; |
| *(uint8_t*)0x20001352 = 9; |
| *(uint8_t*)0x20001353 = 2; |
| *(uint16_t*)0x20001354 = 0xbc; |
| *(uint8_t*)0x20001356 = 3; |
| *(uint8_t*)0x20001357 = 1; |
| *(uint8_t*)0x20001358 = 0x40; |
| *(uint8_t*)0x20001359 = 0; |
| *(uint8_t*)0x2000135a = 0; |
| *(uint8_t*)0x2000135b = 9; |
| *(uint8_t*)0x2000135c = 4; |
| *(uint8_t*)0x2000135d = 0; |
| *(uint8_t*)0x2000135e = 0; |
| *(uint8_t*)0x2000135f = 0; |
| *(uint8_t*)0x20001360 = 1; |
| *(uint8_t*)0x20001361 = 1; |
| *(uint8_t*)0x20001362 = 0; |
| *(uint8_t*)0x20001363 = 0; |
| *(uint8_t*)0x20001364 = 0xa; |
| *(uint8_t*)0x20001365 = 0x24; |
| *(uint8_t*)0x20001366 = 1; |
| *(uint16_t*)0x20001367 = 0; |
| *(uint8_t*)0x20001369 = 0; |
| *(uint8_t*)0x2000136a = 2; |
| *(uint8_t*)0x2000136b = 1; |
| *(uint8_t*)0x2000136c = 2; |
| *(uint8_t*)0x2000136d = 9; |
| *(uint8_t*)0x2000136e = 0x24; |
| *(uint8_t*)0x2000136f = 3; |
| *(uint8_t*)0x20001370 = 0; |
| *(uint16_t*)0x20001371 = 0; |
| *(uint8_t*)0x20001373 = 0; |
| *(uint8_t*)0x20001374 = 0; |
| *(uint8_t*)0x20001375 = 5; |
| *(uint8_t*)0x20001376 = 9; |
| *(uint8_t*)0x20001377 = 0x24; |
| *(uint8_t*)0x20001378 = 3; |
| *(uint8_t*)0x20001379 = 0; |
| *(uint16_t*)0x2000137a = 0; |
| *(uint8_t*)0x2000137c = 0; |
| *(uint8_t*)0x2000137d = 0; |
| *(uint8_t*)0x2000137e = 0; |
| *(uint8_t*)0x2000137f = 0x13; |
| *(uint8_t*)0x20001380 = 0x24; |
| *(uint8_t*)0x20001381 = 6; |
| *(uint8_t*)0x20001382 = 0; |
| *(uint8_t*)0x20001383 = 0; |
| *(uint8_t*)0x20001384 = 6; |
| *(uint16_t*)0x20001385 = 0; |
| *(uint16_t*)0x20001387 = 0; |
| *(uint16_t*)0x20001389 = 0; |
| *(uint16_t*)0x2000138b = 0; |
| *(uint16_t*)0x2000138d = 0; |
| *(uint16_t*)0x2000138f = 0; |
| *(uint8_t*)0x20001391 = 0; |
| *(uint8_t*)0x20001392 = 7; |
| *(uint8_t*)0x20001393 = 0x24; |
| *(uint8_t*)0x20001394 = 7; |
| *(uint8_t*)0x20001395 = 0; |
| *(uint16_t*)0x20001396 = 0; |
| *(uint8_t*)0x20001398 = 0; |
| *(uint8_t*)0x20001399 = 9; |
| *(uint8_t*)0x2000139a = 0x24; |
| *(uint8_t*)0x2000139b = 3; |
| *(uint8_t*)0x2000139c = 0; |
| *(uint16_t*)0x2000139d = 0xfe; |
| *(uint8_t*)0x2000139f = 0; |
| *(uint8_t*)0x200013a0 = 6; |
| *(uint8_t*)0x200013a1 = 0; |
| *(uint8_t*)0x200013a2 = 0xf; |
| *(uint8_t*)0x200013a3 = 0x24; |
| *(uint8_t*)0x200013a4 = 6; |
| *(uint8_t*)0x200013a5 = 6; |
| *(uint8_t*)0x200013a6 = 0; |
| *(uint8_t*)0x200013a7 = 4; |
| *(uint16_t*)0x200013a8 = 0; |
| *(uint16_t*)0x200013aa = 0; |
| *(uint16_t*)0x200013ac = 0; |
| *(uint16_t*)0x200013ae = 0; |
| *(uint8_t*)0x200013b0 = 0; |
| *(uint8_t*)0x200013b1 = 9; |
| *(uint8_t*)0x200013b2 = 4; |
| *(uint8_t*)0x200013b3 = 1; |
| *(uint8_t*)0x200013b4 = 0; |
| *(uint8_t*)0x200013b5 = 0; |
| *(uint8_t*)0x200013b6 = 1; |
| *(uint8_t*)0x200013b7 = 2; |
| *(uint8_t*)0x200013b8 = 0; |
| *(uint8_t*)0x200013b9 = 0; |
| *(uint8_t*)0x200013ba = 9; |
| *(uint8_t*)0x200013bb = 4; |
| *(uint8_t*)0x200013bc = 1; |
| *(uint8_t*)0x200013bd = 1; |
| *(uint8_t*)0x200013be = 1; |
| *(uint8_t*)0x200013bf = 1; |
| *(uint8_t*)0x200013c0 = 2; |
| *(uint8_t*)0x200013c1 = 0; |
| *(uint8_t*)0x200013c2 = 0; |
| *(uint8_t*)0x200013c3 = 9; |
| *(uint8_t*)0x200013c4 = 0x24; |
| *(uint8_t*)0x200013c5 = 2; |
| *(uint8_t*)0x200013c6 = 2; |
| *(uint16_t*)0x200013c7 = 0xe7c3; |
| *(uint16_t*)0x200013c9 = 4; |
| *(uint8_t*)0x200013cb = 0xb; |
| *(uint8_t*)0x200013cc = 9; |
| *(uint8_t*)0x200013cd = 0x24; |
| *(uint8_t*)0x200013ce = 2; |
| *(uint8_t*)0x200013cf = 2; |
| *(uint16_t*)0x200013d0 = 0xfff; |
| *(uint16_t*)0x200013d2 = 3; |
| *(uint8_t*)0x200013d4 = 6; |
| *(uint8_t*)0x200013d5 = 7; |
| *(uint8_t*)0x200013d6 = 0x24; |
| *(uint8_t*)0x200013d7 = 1; |
| *(uint8_t*)0x200013d8 = 9; |
| *(uint8_t*)0x200013d9 = 6; |
| *(uint16_t*)0x200013da = 4; |
| *(uint8_t*)0x200013dc = 9; |
| *(uint8_t*)0x200013dd = 5; |
| *(uint8_t*)0x200013de = 1; |
| *(uint8_t*)0x200013df = 9; |
| *(uint16_t*)0x200013e0 = 0; |
| *(uint8_t*)0x200013e2 = 0; |
| *(uint8_t*)0x200013e3 = 0; |
| *(uint8_t*)0x200013e4 = 0; |
| *(uint8_t*)0x200013e5 = 7; |
| *(uint8_t*)0x200013e6 = 0x25; |
| *(uint8_t*)0x200013e7 = 1; |
| *(uint8_t*)0x200013e8 = 0; |
| *(uint8_t*)0x200013e9 = 0; |
| *(uint16_t*)0x200013ea = 0; |
| *(uint8_t*)0x200013ec = 9; |
| *(uint8_t*)0x200013ed = 4; |
| *(uint8_t*)0x200013ee = 2; |
| *(uint8_t*)0x200013ef = 0; |
| *(uint8_t*)0x200013f0 = 0; |
| *(uint8_t*)0x200013f1 = 1; |
| *(uint8_t*)0x200013f2 = 2; |
| *(uint8_t*)0x200013f3 = 0; |
| *(uint8_t*)0x200013f4 = 0; |
| *(uint8_t*)0x200013f5 = 9; |
| *(uint8_t*)0x200013f6 = 4; |
| *(uint8_t*)0x200013f7 = 2; |
| *(uint8_t*)0x200013f8 = 1; |
| *(uint8_t*)0x200013f9 = 1; |
| *(uint8_t*)0x200013fa = 1; |
| *(uint8_t*)0x200013fb = 2; |
| *(uint8_t*)0x200013fc = 0; |
| *(uint8_t*)0x200013fd = 0; |
| *(uint8_t*)0x200013fe = 9; |
| *(uint8_t*)0x200013ff = 5; |
| *(uint8_t*)0x20001400 = 0x82; |
| *(uint8_t*)0x20001401 = 9; |
| *(uint16_t*)0x20001402 = 0; |
| *(uint8_t*)0x20001404 = 0; |
| *(uint8_t*)0x20001405 = 0; |
| *(uint8_t*)0x20001406 = 0; |
| *(uint8_t*)0x20001407 = 7; |
| *(uint8_t*)0x20001408 = 0x25; |
| *(uint8_t*)0x20001409 = 1; |
| *(uint8_t*)0x2000140a = 0; |
| *(uint8_t*)0x2000140b = 0; |
| *(uint16_t*)0x2000140c = 0; |
| syz_usb_connect(0, 0xce, 0x20001340, 0); |
| } |
| int main(void) |
| { |
| syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); |
| loop(); |
| return 0; |
| } |