// https://syzkaller.appspot.com/bug?id=c1e9d4a220a1ca340c354dfacb78fa31bdd425f5 // 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; } struct nlmsg { char* pos; int nesting; struct nlattr* nested[8]; char buf[1024]; }; static struct nlmsg nlmsg; static void netlink_init(struct nlmsg* nlmsg, 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(struct nlmsg* nlmsg, 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(struct nlmsg* nlmsg, 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(struct nlmsg* nlmsg, int sock) { return netlink_send_ext(nlmsg, sock, 0, NULL); } static int netlink_next_msg(struct nlmsg* nlmsg, unsigned int offset, unsigned int total_len) { struct nlmsghdr* hdr = (struct nlmsghdr*)(nlmsg->buf + offset); if (offset == total_len || offset + hdr->nlmsg_len > total_len) return -1; return hdr->nlmsg_len; } static void netlink_device_change(struct nlmsg* nlmsg, int sock, const char* name, bool up, const char* master, const void* mac, int macsize, const char* new_name) { struct ifinfomsg hdr; memset(&hdr, 0, sizeof(hdr)); if (up) hdr.ifi_flags = hdr.ifi_change = IFF_UP; hdr.ifi_index = if_nametoindex(name); netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr)); if (new_name) netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name)); if (master) { int ifindex = if_nametoindex(master); netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex)); } if (macsize) netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize); int err = netlink_send(nlmsg, sock); (void)err; } const int kInitNetNsFd = 239; #define DEVLINK_FAMILY_NAME "devlink" #define DEVLINK_CMD_PORT_GET 5 #define DEVLINK_CMD_RELOAD 37 #define DEVLINK_ATTR_BUS_NAME 1 #define DEVLINK_ATTR_DEV_NAME 2 #define DEVLINK_ATTR_NETDEV_NAME 7 #define DEVLINK_ATTR_NETNS_FD 137 static int netlink_devlink_id_get(struct nlmsg* nlmsg, int sock) { struct genlmsghdr genlhdr; struct nlattr* attr; int err, n; uint16_t id = 0; memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = CTRL_CMD_GETFAMILY; netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, DEVLINK_FAMILY_NAME, strlen(DEVLINK_FAMILY_NAME) + 1); err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n); if (err) { return -1; } 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) { return -1; } recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0); /* recv ack */ return id; } static void netlink_devlink_netns_move(const char* bus_name, const char* dev_name, int netns_fd) { struct genlmsghdr genlhdr; int sock; int id; sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); if (sock == -1) exit(1); id = netlink_devlink_id_get(&nlmsg, sock); if (id == -1) goto error; memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = DEVLINK_CMD_RELOAD; netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1); netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1); netlink_attr(&nlmsg, DEVLINK_ATTR_NETNS_FD, &netns_fd, sizeof(netns_fd)); netlink_send(&nlmsg, sock); error: close(sock); } static struct nlmsg nlmsg2; static void initialize_devlink_ports(const char* bus_name, const char* dev_name, const char* netdev_prefix) { struct genlmsghdr genlhdr; int len, total_len, id, err, offset; uint16_t netdev_index; int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); if (sock == -1) exit(1); int rtsock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (rtsock == -1) exit(1); id = netlink_devlink_id_get(&nlmsg, sock); if (id == -1) goto error; memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = DEVLINK_CMD_PORT_GET; netlink_init(&nlmsg, id, NLM_F_DUMP, &genlhdr, sizeof(genlhdr)); netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1); netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1); err = netlink_send_ext(&nlmsg, sock, id, &total_len); if (err) { goto error; } offset = 0; netdev_index = 0; while ((len = netlink_next_msg(&nlmsg, offset, total_len)) != -1) { struct nlattr* attr = (struct nlattr*)(nlmsg.buf + offset + NLMSG_HDRLEN + NLMSG_ALIGN(sizeof(genlhdr))); for (; (char*)attr < nlmsg.buf + offset + len; attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) { if (attr->nla_type == DEVLINK_ATTR_NETDEV_NAME) { char* port_name; char netdev_name[IFNAMSIZ]; port_name = (char*)(attr + 1); snprintf(netdev_name, sizeof(netdev_name), "%s%d", netdev_prefix, netdev_index); netlink_device_change(&nlmsg2, rtsock, port_name, true, 0, 0, 0, netdev_name); break; } } offset += len; netdev_index++; } error: close(rtsock); 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); initialize_devlink_ports("pci", "0000:00:10.0", "netpci"); } #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) { *(uint8_t*)0x20000080 = 0x12; *(uint8_t*)0x20000081 = 1; *(uint16_t*)0x20000082 = 0; *(uint8_t*)0x20000084 = 0xaa; *(uint8_t*)0x20000085 = 0x53; *(uint8_t*)0x20000086 = 0x14; *(uint8_t*)0x20000087 = 0x40; *(uint16_t*)0x20000088 = 0x7ca; *(uint16_t*)0x2000008a = 0xb800; *(uint16_t*)0x2000008c = 0x2e4c; *(uint8_t*)0x2000008e = 0; *(uint8_t*)0x2000008f = 0; *(uint8_t*)0x20000090 = 0; *(uint8_t*)0x20000091 = 1; *(uint8_t*)0x20000092 = 9; *(uint8_t*)0x20000093 = 2; *(uint16_t*)0x20000094 = 0x104; *(uint8_t*)0x20000096 = 1; *(uint8_t*)0x20000097 = 0x20; *(uint8_t*)0x20000098 = 0; *(uint8_t*)0x20000099 = 0xf0; *(uint8_t*)0x2000009a = 0; *(uint8_t*)0x2000009b = 9; *(uint8_t*)0x2000009c = 4; *(uint8_t*)0x2000009d = 0x62; *(uint8_t*)0x2000009e = 0; *(uint8_t*)0x2000009f = 0x10; *(uint8_t*)0x200000a0 = 3; *(uint8_t*)0x200000a1 = 0; *(uint8_t*)0x200000a2 = 0; *(uint8_t*)0x200000a3 = 1; *(uint8_t*)0x200000a4 = 9; *(uint8_t*)0x200000a5 = 5; *(uint8_t*)0x200000a6 = 0xe; *(uint8_t*)0x200000a7 = 4; *(uint16_t*)0x200000a8 = 0x25e; *(uint8_t*)0x200000aa = 4; *(uint8_t*)0x200000ab = 1; *(uint8_t*)0x200000ac = 4; *(uint8_t*)0x200000ad = 9; *(uint8_t*)0x200000ae = 5; *(uint8_t*)0x200000af = 9; *(uint8_t*)0x200000b0 = 0; *(uint16_t*)0x200000b1 = 0x21c; *(uint8_t*)0x200000b3 = 1; *(uint8_t*)0x200000b4 = 1; *(uint8_t*)0x200000b5 = 2; *(uint8_t*)0x200000b6 = 2; *(uint8_t*)0x200000b7 = 6; *(uint8_t*)0x200000b8 = 9; *(uint8_t*)0x200000b9 = 5; *(uint8_t*)0x200000ba = 0x80; *(uint8_t*)0x200000bb = 0x10; *(uint16_t*)0x200000bc = 0x1bd; *(uint8_t*)0x200000be = 0x1f; *(uint8_t*)0x200000bf = 0; *(uint8_t*)0x200000c0 = 0; *(uint8_t*)0x200000c1 = 2; *(uint8_t*)0x200000c2 = 0xa; *(uint8_t*)0x200000c3 = 9; *(uint8_t*)0x200000c4 = 5; *(uint8_t*)0x200000c5 = 8; *(uint8_t*)0x200000c6 = 0x10; *(uint16_t*)0x200000c7 = 0xb7; *(uint8_t*)0x200000c9 = 4; *(uint8_t*)0x200000ca = 1; *(uint8_t*)0x200000cb = 0x7f; *(uint8_t*)0x200000cc = 2; *(uint8_t*)0x200000cd = 0x23; *(uint8_t*)0x200000ce = 7; *(uint8_t*)0x200000cf = 0x25; *(uint8_t*)0x200000d0 = 1; *(uint8_t*)0x200000d1 = 0; *(uint8_t*)0x200000d2 = 0x56; *(uint16_t*)0x200000d3 = 1; *(uint8_t*)0x200000d5 = 9; *(uint8_t*)0x200000d6 = 5; *(uint8_t*)0x200000d7 = 4; *(uint8_t*)0x200000d8 = 0; *(uint16_t*)0x200000d9 = 4; *(uint8_t*)0x200000db = 9; *(uint8_t*)0x200000dc = 1; *(uint8_t*)0x200000dd = 0x13; *(uint8_t*)0x200000de = 7; *(uint8_t*)0x200000df = 0x25; *(uint8_t*)0x200000e0 = 1; *(uint8_t*)0x200000e1 = 0x84; *(uint8_t*)0x200000e2 = 0; *(uint16_t*)0x200000e3 = 4; *(uint8_t*)0x200000e5 = 7; *(uint8_t*)0x200000e6 = 0x25; *(uint8_t*)0x200000e7 = 1; *(uint8_t*)0x200000e8 = 0; *(uint8_t*)0x200000e9 = 0x98; *(uint16_t*)0x200000ea = 7; *(uint8_t*)0x200000ec = 9; *(uint8_t*)0x200000ed = 5; *(uint8_t*)0x200000ee = 8; *(uint8_t*)0x200000ef = 1; *(uint16_t*)0x200000f0 = 0x52; *(uint8_t*)0x200000f2 = 1; *(uint8_t*)0x200000f3 = 2; *(uint8_t*)0x200000f4 = 2; *(uint8_t*)0x200000f5 = 7; *(uint8_t*)0x200000f6 = 0x25; *(uint8_t*)0x200000f7 = 1; *(uint8_t*)0x200000f8 = 0x81; *(uint8_t*)0x200000f9 = 6; *(uint16_t*)0x200000fa = 0x99; *(uint8_t*)0x200000fc = 7; *(uint8_t*)0x200000fd = 0x25; *(uint8_t*)0x200000fe = 1; *(uint8_t*)0x200000ff = 2; *(uint8_t*)0x20000100 = 1; *(uint16_t*)0x20000101 = 0x1000; *(uint8_t*)0x20000103 = 9; *(uint8_t*)0x20000104 = 5; *(uint8_t*)0x20000105 = 6; *(uint8_t*)0x20000106 = 0x10; *(uint16_t*)0x20000107 = 0x14a; *(uint8_t*)0x20000109 = 0x7f; *(uint8_t*)0x2000010a = 0xb8; *(uint8_t*)0x2000010b = 2; *(uint8_t*)0x2000010c = 9; *(uint8_t*)0x2000010d = 5; *(uint8_t*)0x2000010e = 4; *(uint8_t*)0x2000010f = 4; *(uint16_t*)0x20000110 = 0x3c1; *(uint8_t*)0x20000112 = 2; *(uint8_t*)0x20000113 = -1; *(uint8_t*)0x20000114 = 7; *(uint8_t*)0x20000115 = 2; *(uint8_t*)0x20000116 = 0xb; *(uint8_t*)0x20000117 = 9; *(uint8_t*)0x20000118 = 5; *(uint8_t*)0x20000119 = 8; *(uint8_t*)0x2000011a = 4; *(uint16_t*)0x2000011b = 0x20f; *(uint8_t*)0x2000011d = 6; *(uint8_t*)0x2000011e = 0x7f; *(uint8_t*)0x2000011f = 0xc3; *(uint8_t*)0x20000120 = 2; *(uint8_t*)0x20000121 = 0xe; *(uint8_t*)0x20000122 = 7; *(uint8_t*)0x20000123 = 0x25; *(uint8_t*)0x20000124 = 1; *(uint8_t*)0x20000125 = 3; *(uint8_t*)0x20000126 = 0; *(uint16_t*)0x20000127 = 0x1000; *(uint8_t*)0x20000129 = 9; *(uint8_t*)0x2000012a = 5; *(uint8_t*)0x2000012b = 0; *(uint8_t*)0x2000012c = 0; *(uint16_t*)0x2000012d = 0x16e; *(uint8_t*)0x2000012f = 0xfb; *(uint8_t*)0x20000130 = 9; *(uint8_t*)0x20000131 = 3; *(uint8_t*)0x20000132 = 2; *(uint8_t*)0x20000133 = 3; *(uint8_t*)0x20000134 = 7; *(uint8_t*)0x20000135 = 0x25; *(uint8_t*)0x20000136 = 1; *(uint8_t*)0x20000137 = 1; *(uint8_t*)0x20000138 = 0x1f; *(uint16_t*)0x20000139 = 0; *(uint8_t*)0x2000013b = 9; *(uint8_t*)0x2000013c = 5; *(uint8_t*)0x2000013d = 0xb; *(uint8_t*)0x2000013e = 0x10; *(uint16_t*)0x2000013f = 0x66; *(uint8_t*)0x20000141 = 0x80; *(uint8_t*)0x20000142 = 0x29; *(uint8_t*)0x20000143 = 6; *(uint8_t*)0x20000144 = 7; *(uint8_t*)0x20000145 = 0x25; *(uint8_t*)0x20000146 = 1; *(uint8_t*)0x20000147 = 0xc3; *(uint8_t*)0x20000148 = 2; *(uint16_t*)0x20000149 = 6; *(uint8_t*)0x2000014b = 9; *(uint8_t*)0x2000014c = 5; *(uint8_t*)0x2000014d = 2; *(uint8_t*)0x2000014e = 2; *(uint16_t*)0x2000014f = 0x302; *(uint8_t*)0x20000151 = 2; *(uint8_t*)0x20000152 = 3; *(uint8_t*)0x20000153 = 0x7f; *(uint8_t*)0x20000154 = 9; *(uint8_t*)0x20000155 = 5; *(uint8_t*)0x20000156 = 5; *(uint8_t*)0x20000157 = 0x10; *(uint16_t*)0x20000158 = 0x20a; *(uint8_t*)0x2000015a = 5; *(uint8_t*)0x2000015b = -1; *(uint8_t*)0x2000015c = 1; *(uint8_t*)0x2000015d = 7; *(uint8_t*)0x2000015e = 0x25; *(uint8_t*)0x2000015f = 1; *(uint8_t*)0x20000160 = 0x82; *(uint8_t*)0x20000161 = 0x81; *(uint16_t*)0x20000162 = 4; *(uint8_t*)0x20000164 = 2; *(uint8_t*)0x20000165 = 0x1c; *(uint8_t*)0x20000166 = 9; *(uint8_t*)0x20000167 = 5; *(uint8_t*)0x20000168 = 0xb; *(uint8_t*)0x20000169 = 1; *(uint16_t*)0x2000016a = 0x269; *(uint8_t*)0x2000016c = 0xf9; *(uint8_t*)0x2000016d = 0x80; *(uint8_t*)0x2000016e = 8; *(uint8_t*)0x2000016f = 7; *(uint8_t*)0x20000170 = 0x25; *(uint8_t*)0x20000171 = 1; *(uint8_t*)0x20000172 = 0x21; *(uint8_t*)0x20000173 = 0x80; *(uint16_t*)0x20000174 = 4; *(uint8_t*)0x20000176 = 9; *(uint8_t*)0x20000177 = 5; *(uint8_t*)0x20000178 = 0; *(uint8_t*)0x20000179 = 0; *(uint16_t*)0x2000017a = 0xd7; *(uint8_t*)0x2000017c = 2; *(uint8_t*)0x2000017d = 5; *(uint8_t*)0x2000017e = 0; *(uint8_t*)0x2000017f = 9; *(uint8_t*)0x20000180 = 5; *(uint8_t*)0x20000181 = 0x80; *(uint8_t*)0x20000182 = 8; *(uint16_t*)0x20000183 = 0x1e5; *(uint8_t*)0x20000185 = 6; *(uint8_t*)0x20000186 = 3; *(uint8_t*)0x20000187 = 7; *(uint8_t*)0x20000188 = 7; *(uint8_t*)0x20000189 = 0x25; *(uint8_t*)0x2000018a = 1; *(uint8_t*)0x2000018b = 1; *(uint8_t*)0x2000018c = 1; *(uint16_t*)0x2000018d = 0x80; *(uint8_t*)0x2000018f = 7; *(uint8_t*)0x20000190 = 0x25; *(uint8_t*)0x20000191 = 1; *(uint8_t*)0x20000192 = 1; *(uint8_t*)0x20000193 = 3; *(uint16_t*)0x20000194 = 1; syz_usb_connect(0, 0x116, 0x20000080, 0); } int main(void) { syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0); loop(); return 0; }