| // KASAN: use-after-free Read in iowarrior_release |
| // https://syzkaller.appspot.com/bug?id=2a85e01e6f3d6e7e59a2020ac1767ca238096fda |
| // 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 <setjmp.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 __thread int skip_segv; |
| static __thread jmp_buf segv_env; |
| |
| static void segv_handler(int sig, siginfo_t* info, void* ctx) |
| { |
| uintptr_t addr = (uintptr_t)info->si_addr; |
| const uintptr_t prog_start = 1 << 20; |
| const uintptr_t prog_end = 100 << 20; |
| if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) && |
| (addr < prog_start || addr > prog_end)) { |
| _longjmp(segv_env, 1); |
| } |
| exit(sig); |
| } |
| |
| static void install_segv_handler(void) |
| { |
| struct sigaction sa; |
| memset(&sa, 0, sizeof(sa)); |
| sa.sa_handler = SIG_IGN; |
| syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8); |
| syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8); |
| memset(&sa, 0, sizeof(sa)); |
| sa.sa_sigaction = segv_handler; |
| sa.sa_flags = SA_NODEFER | SA_SIGINFO; |
| sigaction(SIGSEGV, &sa, NULL); |
| sigaction(SIGBUS, &sa, NULL); |
| } |
| |
| #define NONFAILING(...) \ |
| { \ |
| __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \ |
| if (_setjmp(segv_env) == 0) { \ |
| __VA_ARGS__; \ |
| } \ |
| __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \ |
| } |
| |
| 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 USB_DEBUG 0 |
| |
| #define USB_MAX_EP_NUM 32 |
| |
| struct usb_device_index { |
| struct usb_device_descriptor* dev; |
| struct usb_config_descriptor* config; |
| unsigned config_length; |
| struct usb_interface_descriptor* iface; |
| struct usb_endpoint_descriptor* eps[USB_MAX_EP_NUM]; |
| unsigned eps_num; |
| }; |
| |
| static bool parse_usb_descriptor(char* buffer, size_t length, |
| struct usb_device_index* index) |
| { |
| if (length < |
| sizeof(*index->dev) + sizeof(*index->config) + sizeof(*index->iface)) |
| return false; |
| index->dev = (struct usb_device_descriptor*)buffer; |
| index->config = (struct usb_config_descriptor*)(buffer + sizeof(*index->dev)); |
| index->config_length = length - sizeof(*index->dev); |
| index->iface = |
| (struct usb_interface_descriptor*)(buffer + sizeof(*index->dev) + |
| sizeof(*index->config)); |
| index->eps_num = 0; |
| 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_ENDPOINT) { |
| index->eps[index->eps_num] = |
| (struct usb_endpoint_descriptor*)(buffer + offset); |
| index->eps_num++; |
| } |
| if (index->eps_num == USB_MAX_EP_NUM) |
| break; |
| offset += desc_length; |
| } |
| return true; |
| } |
| |
| enum usb_fuzzer_event_type { |
| USB_FUZZER_EVENT_INVALID, |
| USB_FUZZER_EVENT_CONNECT, |
| USB_FUZZER_EVENT_DISCONNECT, |
| USB_FUZZER_EVENT_SUSPEND, |
| USB_FUZZER_EVENT_RESUME, |
| USB_FUZZER_EVENT_CONTROL, |
| }; |
| |
| struct usb_fuzzer_event { |
| uint32_t type; |
| uint32_t length; |
| char data[0]; |
| }; |
| |
| struct usb_fuzzer_init { |
| uint64_t speed; |
| const char* driver_name; |
| const char* device_name; |
| }; |
| |
| struct usb_fuzzer_ep_io { |
| uint16_t ep; |
| uint16_t flags; |
| uint32_t length; |
| char data[0]; |
| }; |
| |
| #define USB_FUZZER_IOCTL_INIT _IOW('U', 0, struct usb_fuzzer_init) |
| #define USB_FUZZER_IOCTL_RUN _IO('U', 1) |
| #define USB_FUZZER_IOCTL_EVENT_FETCH _IOR('U', 2, struct usb_fuzzer_event) |
| #define USB_FUZZER_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_fuzzer_ep_io) |
| #define USB_FUZZER_IOCTL_EP0_READ _IOWR('U', 4, struct usb_fuzzer_ep_io) |
| #define USB_FUZZER_IOCTL_EP_ENABLE _IOW('U', 5, struct usb_endpoint_descriptor) |
| #define USB_FUZZER_IOCTL_EP_WRITE _IOW('U', 7, struct usb_fuzzer_ep_io) |
| #define USB_FUZZER_IOCTL_EP_READ _IOWR('U', 8, struct usb_fuzzer_ep_io) |
| #define USB_FUZZER_IOCTL_CONFIGURE _IO('U', 9) |
| #define USB_FUZZER_IOCTL_VBUS_DRAW _IOW('U', 10, uint32_t) |
| |
| int usb_fuzzer_open() |
| { |
| return open("/sys/kernel/debug/usb-fuzzer", O_RDWR); |
| } |
| |
| int usb_fuzzer_init(int fd, uint32_t speed, const char* driver, |
| const char* device) |
| { |
| struct usb_fuzzer_init arg; |
| arg.speed = speed; |
| arg.driver_name = driver; |
| arg.device_name = device; |
| return ioctl(fd, USB_FUZZER_IOCTL_INIT, &arg); |
| } |
| |
| int usb_fuzzer_run(int fd) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_RUN, 0); |
| } |
| |
| int usb_fuzzer_event_fetch(int fd, struct usb_fuzzer_event* event) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EVENT_FETCH, event); |
| } |
| |
| int usb_fuzzer_ep0_write(int fd, struct usb_fuzzer_ep_io* io) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EP0_WRITE, io); |
| } |
| |
| int usb_fuzzer_ep0_read(int fd, struct usb_fuzzer_ep_io* io) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EP0_READ, io); |
| } |
| |
| int usb_fuzzer_ep_write(int fd, struct usb_fuzzer_ep_io* io) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EP_WRITE, io); |
| } |
| |
| int usb_fuzzer_ep_read(int fd, struct usb_fuzzer_ep_io* io) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EP_READ, io); |
| } |
| |
| int usb_fuzzer_ep_enable(int fd, struct usb_endpoint_descriptor* desc) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_EP_ENABLE, desc); |
| } |
| |
| int usb_fuzzer_configure(int fd) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_CONFIGURE, 0); |
| } |
| |
| int usb_fuzzer_vbus_draw(int fd, uint32_t power) |
| { |
| return ioctl(fd, USB_FUZZER_IOCTL_VBUS_DRAW, power); |
| } |
| |
| #define USB_MAX_PACKET_SIZE 1024 |
| |
| struct usb_fuzzer_control_event { |
| struct usb_fuzzer_event inner; |
| struct usb_ctrlrequest ctrl; |
| char data[USB_MAX_PACKET_SIZE]; |
| }; |
| |
| struct usb_fuzzer_ep_io_data { |
| struct usb_fuzzer_ep_io inner; |
| char data[USB_MAX_PACKET_SIZE]; |
| }; |
| |
| struct vusb_connect_string_descriptor { |
| uint32_t len; |
| char* str; |
| } __attribute__((packed)); |
| |
| struct vusb_connect_descriptors { |
| uint32_t qual_len; |
| char* qual; |
| uint32_t bos_len; |
| char* bos; |
| uint32_t strs_len; |
| struct vusb_connect_string_descriptor strs[0]; |
| } __attribute__((packed)); |
| |
| static const char* default_string = "syzkaller"; |
| |
| static bool lookup_connect_response(struct vusb_connect_descriptors* descs, |
| struct usb_device_index* index, |
| struct usb_ctrlrequest* ctrl, |
| char** response_data, |
| uint32_t* response_length) |
| { |
| uint8_t str_idx; |
| switch (ctrl->bRequestType & USB_TYPE_MASK) { |
| case USB_TYPE_STANDARD: |
| switch (ctrl->bRequest) { |
| case USB_REQ_GET_DESCRIPTOR: |
| switch (ctrl->wValue >> 8) { |
| case USB_DT_DEVICE: |
| *response_data = (char*)index->dev; |
| *response_length = sizeof(*index->dev); |
| return true; |
| case USB_DT_CONFIG: |
| *response_data = (char*)index->config; |
| *response_length = index->config_length; |
| return true; |
| case USB_DT_STRING: |
| str_idx = (uint8_t)ctrl->wValue; |
| if (str_idx >= descs->strs_len) { |
| *response_data = (char*)default_string; |
| *response_length = strlen(default_string); |
| } else { |
| *response_data = descs->strs[str_idx].str; |
| *response_length = descs->strs[str_idx].len; |
| } |
| return true; |
| case USB_DT_BOS: |
| *response_data = descs->bos; |
| *response_length = descs->bos_len; |
| return true; |
| case USB_DT_DEVICE_QUALIFIER: |
| *response_data = descs->qual; |
| *response_length = descs->qual_len; |
| return true; |
| default: |
| exit(1); |
| return false; |
| } |
| break; |
| default: |
| exit(1); |
| return false; |
| } |
| break; |
| default: |
| exit(1); |
| return false; |
| } |
| return false; |
| } |
| |
| static volatile long syz_usb_connect(volatile long a0, volatile long a1, |
| volatile long a2, volatile long a3) |
| { |
| uint64_t speed = a0; |
| uint64_t dev_len = a1; |
| char* dev = (char*)a2; |
| struct vusb_connect_descriptors* descs = (struct vusb_connect_descriptors*)a3; |
| if (!dev) { |
| return -1; |
| } |
| struct usb_device_index index; |
| memset(&index, 0, sizeof(index)); |
| int rv = 0; |
| NONFAILING(rv = parse_usb_descriptor(dev, dev_len, &index)); |
| if (!rv) { |
| return rv; |
| } |
| int fd = usb_fuzzer_open(); |
| if (fd < 0) { |
| return fd; |
| } |
| char device[32]; |
| sprintf(&device[0], "dummy_udc.%llu", procid); |
| rv = usb_fuzzer_init(fd, speed, "dummy_udc", &device[0]); |
| if (rv < 0) { |
| return rv; |
| } |
| rv = usb_fuzzer_run(fd); |
| if (rv < 0) { |
| return rv; |
| } |
| bool done = false; |
| while (!done) { |
| struct usb_fuzzer_control_event event; |
| event.inner.type = 0; |
| event.inner.length = sizeof(event.ctrl); |
| rv = usb_fuzzer_event_fetch(fd, (struct usb_fuzzer_event*)&event); |
| if (rv < 0) { |
| return rv; |
| } |
| if (event.inner.type != USB_FUZZER_EVENT_CONTROL) |
| continue; |
| bool response_found = false; |
| char* response_data = NULL; |
| uint32_t response_length = 0; |
| if (event.ctrl.bRequestType & USB_DIR_IN) { |
| NONFAILING(response_found = |
| lookup_connect_response(descs, &index, &event.ctrl, |
| &response_data, &response_length)); |
| if (!response_found) { |
| return -1; |
| } |
| } else { |
| if ((event.ctrl.bRequestType & USB_TYPE_MASK) != USB_TYPE_STANDARD || |
| event.ctrl.bRequest != USB_REQ_SET_CONFIGURATION) { |
| exit(1); |
| return -1; |
| } |
| done = true; |
| } |
| if (done) { |
| rv = usb_fuzzer_vbus_draw(fd, index.config->bMaxPower); |
| if (rv < 0) { |
| return rv; |
| } |
| rv = usb_fuzzer_configure(fd); |
| if (rv < 0) { |
| return rv; |
| } |
| unsigned ep; |
| for (ep = 0; ep < index.eps_num; ep++) { |
| rv = usb_fuzzer_ep_enable(fd, index.eps[ep]); |
| if (rv < 0) { |
| } else { |
| } |
| } |
| } |
| struct usb_fuzzer_ep_io_data response; |
| response.inner.ep = 0; |
| response.inner.flags = 0; |
| if (response_length > sizeof(response.data)) |
| response_length = 0; |
| if (event.ctrl.wLength < response_length) |
| response_length = event.ctrl.wLength; |
| response.inner.length = response_length; |
| if (response_data) |
| memcpy(&response.data[0], response_data, response_length); |
| else |
| memset(&response.data[0], 0, response_length); |
| if (event.ctrl.bRequestType & USB_DIR_IN) |
| rv = usb_fuzzer_ep0_write(fd, (struct usb_fuzzer_ep_io*)&response); |
| else |
| rv = usb_fuzzer_ep0_read(fd, (struct usb_fuzzer_ep_io*)&response); |
| if (rv < 0) { |
| return rv; |
| } |
| } |
| sleep_ms(200); |
| return fd; |
| } |
| |
| static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2) |
| { |
| if (a0 == 0xc || a0 == 0xb) { |
| char buf[128]; |
| sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1, |
| (uint8_t)a2); |
| return open(buf, O_RDWR, 0); |
| } else { |
| char buf[1024]; |
| char* hash; |
| NONFAILING(strncpy(buf, (char*)a0, sizeof(buf) - 1)); |
| buf[sizeof(buf) - 1] = 0; |
| while ((hash = strchr(buf, '#'))) { |
| *hash = '0' + (char)(a1 % 10); |
| a1 /= 10; |
| } |
| return open(buf, a2, 0); |
| } |
| } |
| |
| 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; |
| } |
| } |
| } |
| |
| uint64_t r[1] = {0xffffffffffffffff}; |
| |
| void execute_one(void) |
| { |
| intptr_t res = 0; |
| syz_open_dev(0, 0, 0x12d43d); |
| res = syz_open_dev(0, 0, 0); |
| if (res != -1) |
| r[0] = res; |
| NONFAILING(memcpy( |
| (void*)0x20000700, |
| "\x12\x01\x00\x00\x12\x09\x1f\x08\xc0\x07\x01\x15\xa0\x74\x00\x00\x00\x01" |
| "\x09\x02\x1b\x00\x03\x00\x00\x00\x00\x09\x04\xec\x00\x01\x50\x6d\x30\x00" |
| "\x07\x05\x81\x8a\x7c\x29\x84\x63\x89\x56\xd3\x2d\x01\xd3\xb0\xf0\x96\x58" |
| "\x85\xfc\xec\x09\xba\x0e\x36\x54\xbb\xa6\x49\x2e\x7c\xa6\xfa\xc3\x13\x6c" |
| "\x3b\x2e\x10\x75\xed\xf8\xd5\x47\xec\x1b\x71\x59\xb2\x29\x1f\xdb\x69\x9f" |
| "\x0c\xbf\x95\x71\x03\x33\xa1\x72\xe5\xe1\x6f\xff\xfb\xe2\x16\x71\x93\x87" |
| "\xfa\x36\x13\x78\x5b\x28\x24\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" |
| "\x00\x00\x00\x00\x00\x00\x00\x00\x7f\xd9\x02\x94\x2a\xa4\x2a\x2d\x0a\xca" |
| "\xf3\xb8\x43\xfd\x3c\xeb\xb0\x28\x4c\x68\x04\xe1\x00\x3b\x25\xbb\x66\x62" |
| "\x04\xf7\x28\xd2\x2c\x4c\xcf\x6b\xbc\x17\x07\x3a\x1f\x00\x00\x00\xae\xb1" |
| "\x5e\xf1\xbe\xe1\x60\x19\xd7\xdc\xa8\xfb\x7d\xdc\x07\x25\xc6\x68\x24\x2c" |
| "\x2a\x18\xa9\x05\x68\x72\x98\x10\xef\xb8\x52\x4a\x3b\x51\x43\xe5\x66\x73" |
| "\xc4\x27\xe1\x4c\x0a\xb0\xbe\x41\xf1\x6c\x9d\x54\x7c\xfe\xdb\x3e\x3f\xcb" |
| "\x1e\xa4\xd0\xc3\x1c\x3c\xd9\x93\xfc\x4e\x13\x34\x8c\x42\xe1\xb2\x08\x00" |
| "\x00\x00\x3b\x52\xe2\x12\xf4\x59\xa4\xca\xb3\xa1\x19\x0b\x8a\x94\x4a\x07" |
| "\xc4\xba\x5c\x3d\x2d\xef\x05\x5f\x97\xce\xfb\xe1\x6f\xed\xbf\xbe\xa5\xc1" |
| "\x92\x0e\x96\xef\xb4\x93\x2a\xd9\x71\xfd\x3f\x42\x9c\xdd\x75\x95\xa4\x76" |
| "\xc7\x72\x54\x4b\xa8\xa5\xf2\x0d\x14\xf6\x6a\x07\x9d\x94\xed\x38\x44\xc7" |
| "\x36\x04\xbd\x09\xb0\x2f\xe1\x94\x75\xb8\xaa\x89\x9d\xfb\xe1\xa2\x00\x00" |
| "\x00\x00\x00\x00\x00\x19\x67\x11\xea\xe7\x47\x86\x65\xf0\x86\xb2\x65\xf3" |
| "\x0e\x57\x1e\xfa\xdf\xf0\xd1\x60\xba\x67\xdf\x4c\xc3\xb2\x21\x21\x25\x35" |
| "\xee\xcb\x6a\xc6\x18\xf2\xd2\x04\xb7\xac\xec\x54\xcd\x67\xa0\x06\x2a\x14" |
| "\x46\xf8\xff\xff\xff\x57\xe1\xf6\x15\xa3\xaf\x4e\x38\x89\x23\x78\x3f\x70" |
| "\x7e\x63\x9a\xa3\xee\xc3\x12\x96\x34\x91\x0b\xf3\x09\xb6\x9b\xb5\xdf\x6c" |
| "\x2e\x6c\xe4\xbe\x41\xec\xce\x5d\x57\x64\x57\xa1\xb1\x8a\xdd\x7f\xc1\x7e" |
| "\x5a\xab\x45\xea\x89\xb3\xcf\xac\xac\xde\x3d\x2b\xab\xcf\x10\xb1\xf6\x7a" |
| "\x1c\x8d\xb1\x71\x53\x18\xd4\xb6\x50\xca\xff\x54\x06\x64\xe1\x67\x9c\x53" |
| "\x55\x49\xbb\xc1\xbf\x82\xa3\xb6\x01\xb5\x54\xba\x06\x12\xc1\x90\x97\x71" |
| "\xfd\xf4\x55\x7e\xe4\xa5\x38\xb1\xa2\xe5\x0e\x32\x21\x30\x9a\xc9\x82\xd7" |
| "\x79\xb9\x6a\x6a\xb1\x5d\x5d\x35\xb5\xd7\x88\x9c\xfa\x4f\xf5\xe4\x71\x96" |
| "\x28\x14\x32\x56\x3b\xa3\x88\x1d\xfd\x4b\xb6\x51\x7d\x91\x7d\xf8\x34\x35" |
| "\xf0\x08\x6e\xb4\x23\x5a\xe4\x6a\xb3\xc3\x61\xb6\x0f\x29\x06\x25\x2c\x7d" |
| "\x28\x0c\x95\xdb\x70\x4e\xb6\x08\x1f\xdb\xea\xd5\xea\x50\x33\x07\x00\x00" |
| "\x00\x00\x00\x23\x04\x00\x00\x00\x00\x00\x00\xa9\x61\xe5\x3a\x15\x1f\x14" |
| "\x9e\xa0\x7a\x4b\x06\x6e\xca\x42\x0b\x33\x88\x35\xdf\x8a\xae\x0c\x1c\x3e" |
| "\x86\x9f\x37\x75\xc6\x9b\xd1\x03\xff\x9a\x0f\x85\xfb\x97\xe0\x2f\x81\xa1" |
| "\x7d\x15\x7a\x6a\x40\x34\x81\xd5\x1a\x01\x54\x2b\x94\xa9\x13\x6d\x7c\x93" |
| "\x50\xad\x81\x04\x87\xeb\x57\x19\xac\xb9\x43\x39\x2e\x4f\x24\x79\xdc\xac" |
| "\xc2\x2a\xfa\xea\x57\x8c\xc8\xd1\x23\x04\x00\x00\x68\xcb\x62\xff\x1f\xa1" |
| "\xde\x36\x5b\xf4\x1f\x73\xff\xf0\x4b\x0c\xd9\x7a\x36\x7f\x3f\x0d\x9c\x04" |
| "\xff\x99\x47\x86\x99\x11\xcd\x50\xf4\x4c\x5c\xf2\xbe\xcb\x7c\x5c\xf2\x7d" |
| "\x66\xe6\x03\x7a\x38\xbd\x38\xcf\x1c\xc9\xf4\xd5\x1d\x03\x46\xde\x05\x68" |
| "\x49\x89\xff\x50\xf3\x7a\x88\x21\xda\xce\x1e\xd0\x7b\x6b\xb5\xb2\x54\x7b" |
| "\x75\x5c\x36\xf3\xd1\x67\x22\xa7\x15\x61\x71\xf1\x84\xe7\x86\x94\x42\x7f" |
| "\xb7\x93\xa3\xdb\x2b\x58\xc9\xe3\xe2\x60\xde\x7f\x23\xdd\xc6\x79\x4c\x7e" |
| "\x30\xd2\xac\xea\x7c\x9f\x06\xbe\xd6\x1f\x06\xb3\xd6\xab\xe8\x63\x4c\x5b" |
| "\x69\xa9\x34\x51\x32\xc1\xa8\xe2\x13\xe4\x55\xdd\xbd\x7b\xcc\x51\x81\xcd" |
| "\x25\xdf\x5b\x43\x8d\x07\xd9\x38\x0c\x50\x8f\xd4\x4b\xd1\x9c\xce\x9c\x66" |
| "\x01\x45\xbf\x21\x93\xf5\x9f\xb2\x1f\x04", |
| 874)); |
| syz_usb_connect(1, 0x2d, 0x20000700, 0); |
| syz_open_dev(0xc, 0xb4, 0); |
| syz_open_dev(0, 8, 0); |
| syscall(__NR_ioctl, r[0], 0x8018457f, 0x200000c0); |
| syscall(__NR_ioctl, r[0], 0x80404518, 0); |
| } |
| int main(void) |
| { |
| syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); |
| install_segv_handler(); |
| for (procid = 0; procid < 6; procid++) { |
| if (fork() == 0) { |
| loop(); |
| } |
| } |
| sleep(1000000); |
| return 0; |
| } |