// https://syzkaller.appspot.com/bug?id=fc28634f4815322260d0735ad0ed14f767b558b6 // 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 #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; } static struct { char* pos; int nesting; struct nlattr* nested[8]; char buf[1024]; } nlmsg; static void netlink_init(int typ, int flags, const void* data, int size) { memset(&nlmsg, 0, sizeof(nlmsg)); struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg.buf; hdr->nlmsg_type = typ; hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags; memcpy(hdr + 1, data, size); nlmsg.pos = (char*)(hdr + 1) + NLMSG_ALIGN(size); } static void netlink_attr(int typ, const void* data, int size) { struct nlattr* attr = (struct nlattr*)nlmsg.pos; attr->nla_len = sizeof(*attr) + size; attr->nla_type = typ; memcpy(attr + 1, data, size); nlmsg.pos += NLMSG_ALIGN(attr->nla_len); } static int netlink_send_ext(int sock, uint16_t reply_type, int* reply_len) { if (nlmsg.pos > nlmsg.buf + sizeof(nlmsg.buf) || nlmsg.nesting) exit(1); struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg.buf; hdr->nlmsg_len = nlmsg.pos - nlmsg.buf; struct sockaddr_nl addr; memset(&addr, 0, sizeof(addr)); addr.nl_family = AF_NETLINK; unsigned n = sendto(sock, nlmsg.buf, hdr->nlmsg_len, 0, (struct sockaddr*)&addr, sizeof(addr)); if (n != hdr->nlmsg_len) exit(1); n = recv(sock, nlmsg.buf, sizeof(nlmsg.buf), 0); if (n < sizeof(struct nlmsghdr)) exit(1); if (reply_len && hdr->nlmsg_type == reply_type) { *reply_len = n; return 0; } if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr)) exit(1); if (hdr->nlmsg_type != NLMSG_ERROR) exit(1); return -((struct nlmsgerr*)(hdr + 1))->error; } static int netlink_send(int sock) { return netlink_send_ext(sock, 0, NULL); } const int kInitNetNsFd = 239; #define DEVLINK_FAMILY_NAME "devlink" #define DEVLINK_CMD_RELOAD 37 #define DEVLINK_ATTR_BUS_NAME 1 #define DEVLINK_ATTR_DEV_NAME 2 #define DEVLINK_ATTR_NETNS_FD 137 static void netlink_devlink_netns_move(const char* bus_name, const char* dev_name, int netns_fd) { struct genlmsghdr genlhdr; struct nlattr* attr; int sock, err, n; uint16_t id = 0; sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); if (sock == -1) exit(1); memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = CTRL_CMD_GETFAMILY; netlink_init(GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(CTRL_ATTR_FAMILY_NAME, DEVLINK_FAMILY_NAME, strlen(DEVLINK_FAMILY_NAME) + 1); err = netlink_send_ext(sock, GENL_ID_CTRL, &n); if (err) { goto error; } attr = (struct nlattr*)(nlmsg.buf + NLMSG_HDRLEN + NLMSG_ALIGN(sizeof(genlhdr))); for (; (char*)attr < nlmsg.buf + n; attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) { if (attr->nla_type == CTRL_ATTR_FAMILY_ID) { id = *(uint16_t*)(attr + 1); break; } } if (!id) { goto error; } recv(sock, nlmsg.buf, sizeof(nlmsg.buf), 0); /* recv ack */ memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = DEVLINK_CMD_RELOAD; netlink_init(id, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1); netlink_attr(DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1); netlink_attr(DEVLINK_ATTR_NETNS_FD, &netns_fd, sizeof(netns_fd)); netlink_send(sock); error: close(sock); } static void initialize_devlink_pci(void) { int netns = open("/proc/self/ns/net", O_RDONLY); if (netns == -1) exit(1); int ret = setns(kInitNetNsFd, 0); if (ret == -1) exit(1); netlink_devlink_netns_move("pci", "0000:00:10.0", netns); ret = setns(netns, 0); if (ret == -1) exit(1); close(netns); } #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_raw_event_type { USB_RAW_EVENT_INVALID, USB_RAW_EVENT_CONNECT, USB_RAW_EVENT_CONTROL, }; struct usb_raw_event { uint32_t type; uint32_t length; char data[0]; }; struct usb_raw_init { uint64_t speed; const char* driver_name; const char* device_name; }; struct usb_raw_ep_io { uint16_t ep; uint16_t flags; uint32_t length; char 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, int) #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, uint32_t) static int usb_raw_open() { return open("/sys/kernel/debug/usb/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; arg.speed = speed; arg.driver_name = driver; arg.device_name = device; 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) { memcpy( (void*)0x200000c0, "\x12\x01\x00\x00\xe3\x81\xec\x08\xaa\x07\x51\x00\xb9\x3e\x83\x00\x00\x01" "\x09\x02\x82\x03\x01\x00\x00\x00\x00\x09\x04\x59\x00\x09\x3e\xdc\xaa\x00" "\x09\x05\x0c\x10\x87\x02\xfb\x01\x04\x09\x05\x00\x00\x84\x03\x06\x00\x05" "\x07\x25\x01\x02\x01\xe4\x6c\xea\x21\xa3\xa6\x78\xd5\x91\xe1\xc7\x9c\x51" "\x2f\xdf\x92\x9b\x71\x24\x73\xf0\x0a\x82\x08\x5c\x04\xde\x84\x51\x90\x25" "\x3d\xcb\xd8\xc2\x5a\x3f\x41\xf0\x14\xe4\x32\x12\x1f\x3e\x9f\x7f\x47\x8b" "\xbf\xc0\xd6\xaf\x63\xaf\xfd\x5b\x4d\x67\x5b\x1f\x64\xe3\xac\x43\x15\x9e" "\x62\x1b\x32\xaf\x9f\xbd\xfa\x79\x65\x08\x3b\x27\x4e\xdc\x22\xeb\x94\x0d" "\x34\x13\x1b\xe8\xa4\xc8\x95\x69\x8b\x7c\x68\xf4\xdd\xa5\xdf\x77\x86\x01" "\x4f\xd2\xe6\xbe\x77\xaf\xfb\x9d\x19\x7c\x05\xbf\x83\x87\x27\xc3\x05\x2c" "\x59\x02\x72\xe9\xf2\x33\x39\x6e\xd6\x8f\x07\x63\x8f\x65\xad\x06\xdf\xae" "\xc9\x23\xaf\x4f\xf6\xc3\x6c\x25\xf2\x48\x7a\xd0\xc3\x78\x52\xe2\xa3\x34" "\x85\x4e\x65\x39\x44\x7c\x94\xd3\x0e\x4b\x4b\x56\x33\x63\x17\x8a\x03\x86" "\xfc\x86\x29\xf7\xe4\x3d\xd0\x6a\x37\xb8\x2d\xca\x55\xd9\x2d\x4d\x2d\xdc" "\x4e\x97\x31\x91\x3d\x27\x22\xd7\x09\xf4\x9d\xbc\xe2\x3b\x8e\x7a\x9b\x44" "\x2c\xc2\x83\x22\xd4\x89\x7e\x4c\xbd\x47\x85\x5d\x75\xe5\x26\x5c\xbe\xfb" "\xe4\xb5\x02\x56\xf4\x3c\xf2\x09\x05\x80\x10\x36\x01\x81\x05\xf9\x45\x00" "\x6d\x03\xe3\x55\x4c\x8b\x11\x3a\x04\x75\x96\xa8\x89\x2c\x78\xfb\x01\x51" "\xf9\x8d\x65\x9b\x63\xd3\x3f\x23\x1b\x12\x98\xc9\x0f\x73\x0b\x4e\x28\x6a" "\x5f\xc6\x72\x24\xd8\x23\xe9\x7c\x2b\xbe\x31\x96\x94\xfc\x41\xe3\x24\x79" "\xbb\x85\x88\x66\x6b\x6f\xed\x1a\x18\x41\x2c\x8b\x2c\xef\x07\x5e\x6d\xc6" "\xbe\xd9\x40\xe9\x52\xf6\x16\x9a\x2a\x3d\x88\x7d\xfd\x44\x66\x35\x55\xec" "\xac\x95\x87\xa4\x5d\xaa\x65\xb4\xb8\x85\x64\xb7\xca\x32\x7a\xa6\x8f\x30" "\x7d\xb1\xf3\x23\x1e\x3b\x4e\x09\x94\x12\x5f\x6f\x94\x4c\x43\x16\x6d\x2f" "\xa6\x90\xe2\xdc\x03\xe5\xf0\x1e\x56\x2f\x06\x3f\x3a\x19\x6b\x56\xb5\x1b" "\x35\xe8\x25\xc0\xfc\x24\xb8\xf5\xea\x2a\xc1\x19\xd0\xc6\xd1\x92\x53\xd6" "\x98\x16\x79\x99\x54\xa4\x9e\x08\x52\xe3\xc8\xed\x58\xa6\x9b\x42\x97\x2a" "\xca\x6c\x03\x1e\x56\x3f\x3e\xab\x03\x9f\xca\x5a\xc1\x22\x6e\xb4\x54\x0a" "\xb3\x9b\x21\x9d\x57\x32\x9e\x1c\x28\x23\x95\xcb\x48\x9a\x6e\x35\x0d\xb6" "\x53\x37\xcb\x90\xc3\xb8\xa4\x6d\x68\x9a\x6b\x32\x41\x1e\x67\xaa\x5c\x68" "\x6a\xeb\x74\x94\xca\xaa\xf6\x6c\x47\x73\xe5\x51\x35\xfc\x84\x6a\x74\x6b" "\x1a\xa6\x70\x40\xfb\x4c\xc0\x83\x15\xa3\x9e\x5d\x41\xde\x00\x18\x76\x57" "\x52\x85\xcd\x9e\x5c\x9c\x78\x66\x2c\x41\x86\x7f\x3f\x50\xe8\xfb\x7c\x42" "\xb0\x54\x25\xd1\x4d\xfb\xde\x0a\x5f\x6d\x21\x38\x37\xa7\x03\x0b\x09\x05" "\x04\x08\xf9\x01\x0a\x00\x40\x09\x05\xe1\x08\xba\x03\x05\x42\x04\xec\x0b" "\xa5\x31\x9f\xdf\x46\x4e\xdd\x56\x69\xee\x2c\x46\xa4\x0c\x28\x2a\xcf\x26" "\x9f\x69\xd0\x04\xd9\xb1\xba\x29\x87\xa0\x20\xea\xc7\xd0\xa1\x90\x56\xc8" "\x20\x65\x3a\x95\x0f\xc5\x75\x37\x6e\x21\xa4\xc7\xd5\x6b\xf0\xb0\x5d\xd3" "\xf5\x44\x0a\x13\xbc\xa0\x3d\x8d\x2d\xcf\x45\x0e\x93\x04\x77\x61\xa1\xd0" "\x37\xd8\x04\x5a\xa9\x5e\x8d\xc3\x49\x7b\x19\xed\xec\x9b\xe8\xae\xeb\xcf" "\xf3\x84\x72\xef\x97\xb4\x60\x64\xf1\xf3\x0e\x0e\xd8\xd1\x7f\x25\x6f\xb9" "\x3d\xa4\x91\xa2\x40\xa5\x3b\x55\xab\x4c\xf7\x74\x4b\x45\x75\xc1\x12\x2d" "\x83\x93\xb5\xfb\xb1\x92\x3c\x7e\x7a\x34\x99\x08\xa3\xbf\xa4\x1e\x39\xa2" "\x6e\xa0\x84\x3a\x4b\xe1\xd0\xd2\x8b\xe6\xe1\xf9\xee\x4c\x52\x9e\x44\x7a" "\x24\x06\xeb\x51\x70\x7f\xa2\x58\x7a\xab\xf1\xd1\x95\x7c\xd1\x53\x30\x49" "\xd4\xda\x8e\x11\xab\xc9\x8c\x64\x5e\x5a\x8f\xac\x0f\x61\x07\x84\x29\x41" "\x82\x60\xfa\xfe\x0a\x4c\xac\x82\xad\x9f\xe4\x09\x00\x7e\x30\xfc\xb9\x91" "\x69\x26\x5c\xa5\x6a\x78\x5c\x31\x4e\xac\x67\xc2\x15\x83\xca\x6f\x3f\x27" "\x09\x05\x09\x02\x36\x02\x40\xd6\x6f\x07\x25\x01\x01\x00\x07\x00\x09\x05" "\x00\x10\x7f\x02\x00\x04\xef\x07\x25\x01\x80\x1a\x07\x00\x09\x05\x80\x00" "\xc1\x00\x31\x85\x1f\x09\x05\x0b\x00\xd6\x02\x09\x09\x06\x00\x00", 916); syz_usb_connect(7, 0x394, 0x200000c0, 0); } int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); loop(); return 0; }