map[SimplifiedCRepro:// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <endian.h>
#include <errno.h>
#include <fcntl.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/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>
#include <linux/usb/ch9.h>
static unsigned long long procid;
static void sleep_ms(uint64_t ms)
{
usleep(ms * 1000);
}
#define MAX_FDS 30
#define USB_MAX_IFACE_NUM 4
#define USB_MAX_EP_NUM 32
#define USB_MAX_FDS 6
struct usb_endpoint_index {
struct usb_endpoint_descriptor desc;
int handle;
};
struct usb_iface_index {
struct usb_interface_descriptor* iface;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting;
uint8_t bInterfaceClass;
struct usb_endpoint_index 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;
};
struct usb_info {
int fd;
struct usb_device_index index;
};
static struct usb_info usb_devices[USB_MAX_FDS];
static struct usb_device_index* lookup_usb_index(int fd)
{
for (int i = 0; i < USB_MAX_FDS; i++) {
if (__atomic_load_n(&usb_devices[i].fd, __ATOMIC_ACQUIRE) == fd)
return &usb_devices[i].index;
}
return NULL;
}
static int usb_devices_num;
static bool parse_usb_descriptor(const 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].desc, buffer + offset, sizeof(iface->eps[iface->eps_num].desc));
iface->eps_num++;
}
}
offset += desc_length;
}
return true;
}
static struct usb_device_index* add_usb_index(int fd, const char* dev, size_t dev_len)
{
int i = __atomic_fetch_add(&usb_devices_num, 1, __ATOMIC_RELAXED);
if (i >= USB_MAX_FDS)
return NULL;
if (!parse_usb_descriptor(dev, dev_len, &usb_devices[i].index))
return NULL;
__atomic_store_n(&usb_devices[i].fd, fd, __ATOMIC_RELEASE);
return &usb_devices[i].index;
}
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_in(int fd, const struct vusb_connect_descriptors* descs,
const struct usb_ctrlrequest* ctrl,
struct usb_qualifier_descriptor* qual,
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) {
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_data = (char*)qual;
*response_length = sizeof(*qual);
return true;
}
*response_data = descs->qual;
*response_length = descs->qual_len;
return true;
default:
break;
}
break;
default:
break;
}
break;
default:
break;
}
return false;
}
typedef bool (*lookup_connect_out_response_t)(int fd, const struct vusb_connect_descriptors* descs,
const struct usb_ctrlrequest* ctrl, bool* done);
static bool lookup_connect_response_out_generic(int fd, const struct vusb_connect_descriptors* descs,
const struct usb_ctrlrequest* ctrl, bool* done)
{
switch (ctrl->bRequestType & USB_TYPE_MASK) {
case USB_TYPE_STANDARD:
switch (ctrl->bRequest) {
case USB_REQ_SET_CONFIGURATION:
*done = true;
return true;
default:
break;
}
break;
}
return false;
}
#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_EPS_NUM_MAX 30
#define USB_RAW_EP_NAME_MAX 16
#define USB_RAW_EP_ADDR_ANY 0xff
struct usb_raw_ep_caps {
__u32 type_control : 1;
__u32 type_iso : 1;
__u32 type_bulk : 1;
__u32 type_int : 1;
__u32 dir_in : 1;
__u32 dir_out : 1;
};
struct usb_raw_ep_limits {
__u16 maxpacket_limit;
__u16 max_streams;
__u32 reserved;
};
struct usb_raw_ep_info {
__u8 name[USB_RAW_EP_NAME_MAX];
__u32 addr;
struct usb_raw_ep_caps caps;
struct usb_raw_ep_limits limits;
};
struct usb_raw_eps_info {
struct usb_raw_ep_info eps[USB_RAW_EPS_NUM_MAX];
};
#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)
#define USB_RAW_IOCTL_EPS_INFO _IOR('U', 11, struct usb_raw_eps_info)
#define USB_RAW_IOCTL_EP0_STALL _IO('U', 12)
#define USB_RAW_IOCTL_EP_SET_HALT _IOW('U', 13, __u32)
#define USB_RAW_IOCTL_EP_CLEAR_HALT _IOW('U', 14, __u32)
#define USB_RAW_IOCTL_EP_SET_WEDGE _IOW('U', 15, __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_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);
}
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_event_fetch(int fd, struct usb_raw_event* event)
{
return ioctl(fd, USB_RAW_IOCTL_EVENT_FETCH, event);
}
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_ep0_stall(int fd)
{
return ioctl(fd, USB_RAW_IOCTL_EP0_STALL, 0);
}
#define USB_MAX_PACKET_SIZE 4096
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];
};
static void set_interface(int fd, int n)
{
struct usb_device_index* index = lookup_usb_index(fd);
if (!index)
return;
if (index->iface_cur >= 0 && index->iface_cur < index->ifaces_num) {
for (int ep = 0; ep < index->ifaces[index->iface_cur].eps_num; ep++) {
int rv = usb_raw_ep_disable(fd, index->ifaces[index->iface_cur].eps[ep].handle);
if (rv < 0) {
} else {
}
}
}
if (n >= 0 && n < index->ifaces_num) {
for (int ep = 0; ep < index->ifaces[n].eps_num; ep++) {
int rv = usb_raw_ep_enable(fd, &index->ifaces[n].eps[ep].desc);
if (rv < 0) {
} else {
index->ifaces[n].eps[ep].handle = rv;
}
}
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;
}
static volatile long syz_usb_connect_impl(uint64_t speed, uint64_t dev_len, const char* dev,
const struct vusb_connect_descriptors* descs,
lookup_connect_out_response_t lookup_connect_response_out)
{
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;
char* response_data = NULL;
uint32_t response_length = 0;
struct usb_qualifier_descriptor qual;
if (event.ctrl.bRequestType & USB_DIR_IN) {
if (!lookup_connect_response_in(fd, descs, &event.ctrl, &qual, &response_data, &response_length)) {
usb_raw_ep0_stall(fd);
continue;
}
} else {
if (!lookup_connect_response_out(fd, descs, &event.ctrl, &done)) {
usb_raw_ep0_stall(fd);
continue;
}
response_data = NULL;
response_length = event.ctrl.wLength;
}
if ((event.ctrl.bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD &&
event.ctrl.bRequest == USB_REQ_SET_CONFIGURATION) {
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 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;
const char* dev = (const char*)a2;
const struct vusb_connect_descriptors* descs = (const struct vusb_connect_descriptors*)a3;
return syz_usb_connect_impl(speed, dev_len, dev, descs, &lookup_connect_response_out_generic);
}
int main(void)
{
syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul);
syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul);
syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul);
const char* reason;
(void)reason;
if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {}
// write$UHID_INPUT arguments: [
// fd: fd_uhid (resource)
// data: ptr[in, uhid_req[UHID_INPUT, uhid_input_req]] {
// uhid_req[UHID_INPUT, uhid_input_req] {
// type: const = 0xfc (4 bytes)
// data: uhid_input_req {
// data: buffer: {a2 e3 ad 21 ed 0d 1b f9 1b 29 55 09 87 f7 0e 06 d0 38 e7 ff 7f c6 e5 53 9b 0d 3d 0e 8b 08 9b 3f 3b 09 6c 06 08 90 e0 87 8f 0e 1a c6 e7 04 9b 09 6e 95 9b 44 9a 24 0d 5b 67 f3 98 8f 7e f3 19 52 01 00 ff e8 d1 78 70 8c 52 3c 92 1b 1b 5b 31 07 0b 07 5d 0d 36 cd 3b 78 13 0d aa 61 d8 e8 04 00 00 00 58 02 b7 7f 07 22 72 27 b7 ba 67 e0 e7 86 57 a6 f5 c2 a8 74 e6 2a 9c cd c0 d3 1a 0c 9f 31 8c 0d a1 99 3b d1 60 e2 33 df 4a 62 17 9c 6f 30 e0 65 cd 5b 91 cd 0a e1 93 97 37 35 b3 6d 5b 1b 63 dd 1c 00 30 5d 3f 46 63 5e b0 16 d5 b1 dd a9 8e 2d 74 9b e7 bd 1d f1 fb 3b 23 1f dc db 50 75 a9 aa a1 b4 69 c3 09 00 00 00 00 00 00 00 75 27 1b 28 63 29 d1 69 93 42 88 fd 78 9a a3 7d 6e 98 b2 24 fd 44 b6 5b 31 33 4f fc 55 cc 82 cd 3a c3 2e cd b0 8c ed 6f 90 81 b4 dd 0d 8b 38 f3 cd 44 98 be e8 00 49 08 41 bd b1 14 f6 b7 63 83 70 9d 8f 5c 55 43 2a 90 9f da 03 9a ec 54 a1 23 6e 80 f6 a8 ab ad ea 76 62 49 6b dd bb 42 be 6b fb 2f 17 95 9d 1f 41 6e 56 c7 1b 19 31 87 02 62 f5 e8 01 11 92 42 ca 02 6b fc 82 1e 7e 7d af 24 51 13 8e 64 5b b8 0c 61 76 69 31 4e 2f be 70 de 98 ec 76 a9 e4 0d ad 47 f3 6f d9 f7 d0 d4 2a 4b 5f 11 85 cc dc f1 6f f4 62 95 d8 a0 fa 17 71 3c 58 02 63 09 33 a9 a3 4a f6 74 f3 f3 9f e2 34 91 23 7c 08 82 2d ec 11 09 11 e8 93 d0 a8 c4 f6 77 74 7a bc 36 09 34 b8 29 10 ff 85 bf d9 95 08 3b ba 29 87 a6 73 99 ea c4 27 d1 45 d5 46 a4 0b 9f 6f f1 4a c4 88 ec 13 0f 91 85 0a 27 af 95 44 ae 15 a7 e4 54 de a0 59 18 b4 12 43 51 3f 00 00 00 00 00 00 00 0a 36 21 c5 6c ea 8d 20 fa 91 1a 0c 41 db 6e be 8c ac 64 f1 76 79 14 1d 54 b3 4b bc 99 63 ac 4f 4b b3 30 96 03 f1 d4 ab 96 62 03 86 1b 5b 15 a8 41 f2 b5 75 a8 bd 0d 78 24 8e be 4d 9a 80 00 26 95 10 4f 67 4c 24 31 dc a1 41 fa e2 69 ca b7 0e 9a 66 f3 c3 a9 a6 3e 96 39 e1 f5 9c 0e de 26 c6 b5 d7 4b 07 8a 5e 15 c3 16 34 e5 ae 09 8c e9 ee 70 77 1a aa 18 11 9a 86 7e 10 88 33 49 75 e9 f7 34 83 b6 a6 2f a6 78 ca 14 ff d9 f9 db 2a 78 69 d8 58 64 05 65 26 f8 89 af 43 a6 05 60 80 57 22 86 52 24 49 df 46 6c 63 2b 35 70 24 3f 98 9c ce 7c d9 f4 65 e4 1e 61 0c 20 d8 04 21 d6 53 a5 52 00 00 00 82 13 b7 04 c7 fb 08 2f f2 75 90 67 8e f9 f1 90 ba e9 79 09 50 70 41 d8 60 42 0c 56 64 b2 79 21 b1 4d c1 db 88 92 fd 32 d0 ad 7b c9 46 81 35 91 ad 8d ef f4 b0 5f 60 ce a0 da 77 10 ac 00 00 00 00 00 00 80 00 be a3 7c e0 d0 d4 aa 20 2f 92 8f 28 38 1a ab 14 4a 5d 42 9a 04 a6 a2 b8 3c 70 68 ae 94 9e d0 6e 28 8e 81 0b ac 9c 76 60 00 25 e1 9c 90 7f 8e a2 e2 01 00 00 00 82 71 a1 f5 f8 52 8f 22 7e 79 c1 38 9d bd ff fe 49 2f 21 57 9d 2c 15 b8 c7 0c db 1c 33 2d 86 d8 73 41 43 27 50 86 1e c2 bc 34 51 ed ca 19 4b 22 1c fe c4 60 3d 27 6b ba a1 df a6 d4 fb 8a 48 a7 6e af c9 a9 a0 27 0e 4c 10 d6 4c d5 a6 24 27 26 4f 40 77 fe 76 3c 43 47 08 33 ac 96 c4 5f 35 7c bb ab a8 f1 b1 fd cc 7c bb 61 a7 cd b9 74 4e d7 f9 12 9a ed e2 be 21 cc fd c4 e9 13 4f 86 84 b3 a4 f3 54 da 9a 79 5e 96 33 4e 20 7d ff 70 f1 98 80 37 b2 ed 3a af 57 5c 0b 88 d8 f1 46 68 40 78 41 6d 59 fd ee 53 25 92 89 74 d1 2d ad 99 da c4 4c 3f 00 08 04 70 96 a4 40 02 be bc 24 20 ae d9 2f a9 b6 57 8b 47 79 41 5d 4a c0 1b 75 d5 49 5c 11 80 45 65 1c f4 1c 2f c4 8b 77 8e fa 5e a5 67 77 47 43 0a f4 16 2b 98 7b 80 c3 e0 01 cd 34 e5 c9 2f 76 cc 4c 24 ee b8 bc 4e 9a c2 ae d9 e5 38 03 ed 0c a4 ae 3a 97 37 d2 14 06 00 05 ea 6f 17 83 e2 87 b3 be e9 6e 3a 72 6e af e2 fd fa a7 8d 1f 48 c1 3b 64 df 07 84 77 54 b8 40 0d aa a6 9b f5 c8 f4 35 0a ea e9 ca 12 07 e7 82 83 cd 0b 20 ce b3 60 c7 e6 58 82 81 63 e2 d2 5c 4a a3 48 56 1f 92 7e 88 f6 3a a7 0e 73 a5 e6 9b 3d f3 49 59 03 f0 65 72 e1 e0 07 fa 55 a2 99 9f 59 6d 06 73 12 f5 77 9e 8d bf dc f3 42 71 38 f3 d4 44 d2 63 9a 10 47 7f 9b ec 4b 0b bb 6e 3c 04 be 68 98 1f 39 22 03 dd 0e e3 ef 47 8e 16 da cf c5 e3 e0 3c f7 ab 8e 39 02 f1 b0 ff 03 4e f6 55 b2 53 ca 50 93 83 81 5b 1b 6f c6 52 2d 4e 4f dc 11 a4 8c f4 2d 48 60 46 75 fd e2 b9 4c f0 05 00 a2 69 08 91 ab f8 ab 9c 01 50 73 01 4d 9e 08 d4 33 8b 87 80 bd ec d4 36 cf 05 41 35 9b af ff a4 52 37 f1 04 b9 62 10 40 3b 2d e9 ef ed 49 6f 42 35 5b c7 87 2c 82 74 67 cf a5 c4 e7 27 30 d5 6b d0 68 ed 21 1c f8 47 53 5e de cb 7b 37 3f 78 b0 95 b6 84 41 a3 4c b5 16 82 a8 ae 4d 24 ad 04 65 f3 92 7f 88 9b 81 30 76 03 8e 79 a7 96 2f b3 85 a8 1a a1 02 0f 06 c4 c2 ba 1d d5 ca c7 c1 88 76 da 86 5d 25 87 34 dd 73 58 3d f2 92 89 24 48 03 9e f7 99 cf 06 30 be cd cc e0 45 79 b5 56 1d c8 25 ab 82 98 27 94 5e 02 0c 1f 67 ee 61 5f eb 62 43 37 8e 06 10 06 0f 02 cc a4 e9 1b 2f 00 1e db 3d 78 fb 4b 55 66 8d da 93 ae c9 2a 5d e2 03 71 7a a4 9c 2d 28 4a cf ab e2 62 fc cf cb b2 b7 5a 21 83 c4 6e b6 5c a8 10 4e 1b 4d a7 fb b7 7a b2 fc 04 3a ea d8 7c 32 ab 87 5e e7 c2 e7 b7 01 9c 98 2c d3 b4 3e ae b1 a5 fb 13 5c 0c 7d ce e8 fe 65 16 a3 28 03 2f 88 c0 42 89 18 24 65 9e 9e 94 26 5c 80 3b 35 ee 5f 83 a2 b2 10 52 01 06 89 af 9c 25 1f e5 29 4b 3d 18 02 d5 67 6d 95 f1 60 ec 97 b1 ad 94 87 2c b2 04 46 42 c3 7b 4a 6c c6 c0 4e ff c1 67 2d b7 e4 b6 8d 78 7d 9a 7a 50 8a e5 4b 3c d7 36 9d de 50 e8 c7 7d 95 a3 d3 61 c0 40 ba bb 17 16 07 ca ac 2a 35 59 ad 4f 75 46 5f 49 c0 d0 ae 37 16 db 6e 00 cb 11 db 4a 5f ad e2 a5 7c 10 23 8e 20 4a 67 73 7c 3b 42 aa e5 01 b2 0f 76 94 a0 0f 16 e2 d0 17 40 35 a2 c2 26 56 dc 29 88 0a ce bd be 8d db d7 5c 2f 99 8d 8a c2 df ad 2b a3 a5 04 76 7b 6b 45 a4 59 57 f2 4d 75 8e d0 24 b3 84 9c 11 d4 12 a2 a0 3b 40 47 49 70 22 d9 c3 0e 23 ef 4d f5 c8 96 44 f4 8b b5 36 f7 94 5b 59 d7 bc dd ff 75 44 13 d1 35 27 3e a8 e7 5f 22 f2 16 c6 b9 99 0a e7 18 06 f2 c0 0b 40 25 c4 8b 75 c0 f7 3c db 9a 7b 8f a3 67 b5 00 28 06 7e 7f 16 f4 dd 56 9d 46 2f 4f 19 ea cd b3 ed 70 ee eb b4 48 3f 8f d7 77 d4 43 e8 b4 04 27 db 6f e2 90 68 c0 ca 3d 24 14 44 2e 8f 3a 15 47 04 b0 e5 1b c6 64 a1 37 b2 6b e7 19 f4 f7 c9 a5 67 8a 67 4d fc 95 df 80 b9 ce 37 5d d6 49 c8 c7 04 e5 09 bd 88 c8 e6 3d 8c 7d d6 70 71 11 5c 89 82 ba 46 af 4d 6a dc c9 f6 8a 75 b9 39 7b 03 51 53 fa e4 63 66 e7 20 5d d8 d6 f3 75 25 c1 a0 e9 46 10 dd 94 32 3f 6c 15 d0 85 19 71 49 bf d6 65 55 48 cf d9 c5 2c 97 11 93 7f 79 ab b1 a1 24 f1 21 04 65 48 3c d3 b2 d7 83 78 cf b8 5e d8 2e 7d a0 f6 eb 6d 27 9f 2a e4 55 92 5d 0f 6f 1b a5 71 eb a2 81 f2 a6 54 fb 39 dd ff 3b 48 44 39 ff 15 8e 7c 54 19 e0 37 f3 e3 ad 03 8f 22 11 f1 03 31 95 56 3c 7f 93 cd 54 b9 09 4f 22 6e 78 32 71 e1 e5 a2 a2 c1 07 12 ea b6 25 d6 49 31 cd 4f fe 67 38 d9 7b 9b 5e f8 28 ee 9f b0 59 fc 01 af 0e 79 c1 e1 4b 1d 25 98 8c 69 a3 99 56 7c 1d 93 76 8f 79 71 d3 14 88 b8 65 8a 20 87 8b 7c 1d d7 ba 02 fc 42 93 9d de 3d 4a 33 39 a6 5d 50 7d c5 9c 51 09 7b 40 51 77 05 da 56 e9 eb f0 af a5 32 82 bf 86 db b5 8c 54 80 69 ff 6e b9 5a ad e7 cc 66 d7 bb ef 72 47 79 ca 1f 73 1b 33 46 ff 17 70 50 37 3d 79 ff 7b 3e 7f 9b c0 c1 b4 b2 66 a8 87 8b 90 ba aa 03 9d 3e 3b 63 97 9a c3 df 6e 6f 48 59 af d5 02 38 c7 54 7a 39 b6 08 10 93 80 44 ae 18 5d 2b a3 e0 0a 4e 73 67 68 64 ae 09 0d 81 ea ee 5e e6 cf 1d 0a b3 78 dd 4d d8 91 e9 37 c2 ea 54 10 e0 51 30 05 00 00 00 00 00 00 00 39 11 fa b9 64 c2 71 55 00 27 69 7b 52 16 06 87 46 16 02 f8 8d f1 65 d8 84 b3 6e c2 b6 c2 5a 2f 33 c7 15 68 7e 9d 4a fb 96 d6 86 1a ca 47 da 73 d6 f3 14 43 45 f4 88 43 dd 01 4e 5c 5a d8 fe 99 57 54 bd 9c f3 2f ce 1e 31 91 9c 4b 20 82 fb 0a 30 b9 de ae 84 be d4 b2 80 45 63 40 73 c9 c5 8c 89 d9 e9 9c 81 76 91 77 c6 d5 94 f8 8a 4f ac fd 4c 73 5a 20 30 7c 73 7a fa 2d 60 39 94 73 29 6b 83 1d bd 93 3d 93 99 4b a3 06 42 79 b1 0e a0 c5 83 3f 41 f1 57 ea 23 02 99 3d be 43 3b 1a a3 a3 76 6d 54 39 02 04 84 f4 11 3c 4c 85 94 65 c3 b4 15 c3 43 f7 f1 40 f3 19 53 9d 5b f3 72 aa ae a1 cc 43 a6 c5 cb e5 97 58 bf ee 29 16 58 0d ac 4b 00 8e 59 5f 43 74 91 d8 7a be d0 2c ef cd 9d b5 3d 94 d0 2d ae e6 79 18 e5 d6 78 74 63 18 3b 4b 87 c1 05 00 00 00 2f 78 09 95 9b c0 48 85 06 13 d1 7c a5 10 55 f2 f4 16 a4 4f e1 80 d2 d5 0c 31 2c ca 7c b1 4a 2b dc 33 1f 57 a9 81 71 39 a2 06 fc 76 95 72 27 ff ff 2d e2 0a 4b 8e 37 37 fb b4 29 13 77 7c 06 37 6f 79 9e ba 36 7e 21 f9 4c a5 98 70 5f 5d cb 76 7d 6f 09 00 d6 b0 f6 09 5e 53 c4 c4 23 4d 0c 1f be 43 4f 6a b8 f4 3c 00 13 ee 93 b8 39 46 ee 77 59 e8 9d 7b dd 1a 32 d7 b3 11 71 1b 75 7f e4 3c 06 d2 1a 35 81 0d 8f e9 8b 27 fa ea 8a a1 2b c8 71 6e ef c5 c9 7c 45 ac 33 ee ec 96 4c 52 14 bc 3a 93 59 bd ea 1c cc ab 94 f1 5e 36 31 9c b3 4e bc ac ed b8 2c 2e d3 de 5a 8a 8f 00 11 e8 f7 4e 82 d7 f9 60 93 53 0e 76 69 28 39 d7 96 19 39 ad fd ee ea ff 19 d1 1e fc af b6 d5 46 fe f2 71 e8 9d 6c c2 38 9e 81 ff 58 ce fc ce 3f bf 46 25 a7 e7 de 40 e4 2e 07 b3 44 49 e1 5e 06 5c c7 34 00 02 00 00 00 00 00 00 f2 88 a4 51 0d e0 3d ab 19 d2 62 85 ed a8 91 56 d5 0d d3 85 a6 03 33 ba 5b bf 5d 77 cd 70 07 ad 15 19 ad 54 70 de 3d d6 d6 08 0c af cc f8 a9 74 06 bb 6b 68 a1 f0 c4 54 98 20 a7 3c 88 0f 47 5f 73 2a e0 03 98 e8 bd 1f 41 08 b7 80 7f b3 3b 72 68 5e c3 7a 2d 3f 76 64 13 a6 04 59 51 62 46 e5 a1 d9 98 a2 01 7a ef 09 48 a6 8c f2 55 31 5a b8 0d d3 49 e8 91 ae f5 95 dc 4d 47 0e 8a c3 2a 30 8e 15 fc 37 d0 6a ea c2 89 c0 52 3f 48 3e 1f f7 40 8c 60 87 f1 ab 65 2f 2e f9 1d 4f 2b 01 98 7b 0f 46 da 03 4e 5c 3f 74 5a 7e e8 10 1a 39 34 c5 4e 24 b4 8e c0 27 5e 2d 06 87 dc 74 6b 08 27 cb f6 52 f4 06 c6 b9 5f 27 22 e5 8c 05 f7 52 ce 21 26 59 6e 1c d7 65 5b 90 48 01 78 4c 41 6b 22 f7 3d 32 46 78 e2 72 4f 43 f1 fe 68 7c 7e 8a 60 c2 8b 82 b6 52 83 41 b6 48 cd d5 6f ed 7c dc bb 15 75 91 2d 5e cd 36 de a3 bc a0 b7 42 7d 83 92 c6 28 94 55 e8 f8 d2 ab 22 42 72 92 51 ae 03 3a 9e 02 21 0e 62 df 05 46 a7 4b 33 3a 1c 48 f9 5f d5 4a cb 57 41 25 9e 8c 54 88 ef ee e3 27 41 5c c1 94 51 43 2c 6f 14 c2 76 93 10 2a 3c d8 48 57 cd 65 86 fc 5c a9 a9 3e b0 14 5f ac 06 62 ff 86 10 7f 99 8a 8e f7 df 8a a1 40 46 c5 5b 03 d3 d4 7f 88 a8 d6 0f 77 74 a2 ee 08 75 88 97 fb 41 1a 94 b3 c2 fc 5d 5f 0d b4 2c 04 56 ec 01 5f 08 e5 24 7d 33 ae 2d 35 60 3f f8 45 4c 16 f8 34 28 56 93 51 25 10 2b b7 84 ed 71 48 b6 ce 43 1b 63 ee 35 6b 0c 78 5f 2f 47 b9 0e 29 38 9f 22 fc 5b 59 a7 0e fa ea 2b d4 01 95 af 44 86 22 0d 70 2e 30 bf c4 3c 10 ec 23 ea 62 83 99 4a 7d de 4d cb 61 fe a6 b6 51 fb 1d 62 45 8d 07 41 a1 28 30 05 2f cc 46 0d b0 43 af e5 25 62 9b 40 d7 ce e4 58 e4 cb 5e 93 0e d6 24 80 6c 43 a0 06 e3 93 36 d0 7c 2b 80 81 c1 28 ad 27 06 f4 82 61 f7 89 74 84 c2 97 a1 a6 61 3b c1 8f 5a 38 d4 42 76 8a f3 80 41 ef e0 3d 15 2e f9 5f f5 69 e7 6d b2 39 1f 45 09 d7 f3 39 d9 2f db 4a 89 36 49 49 da 39 80 00 00 00 00 00 00 00 d8 0a 4f e6 54 57 83 76 e5 99 af f3 56 5b 1d 53 1f 30 91 2b 99 45 03 0b 81 ea 99 35 fd 46 ed b4 4a 78 f6 15 25 54 90 a4 b6 21 50 1f 2a 9e 4d 24 62 4c 4d ac 92 74 11 8c 67 58 4f 5d 37 47 55 53 4d 7f 68 f6 79 c4 ff 51 6a 9c 86 1a 0e 7e 65 86 8f cb 2b f1 cb 9a ea 4e 05 df 72 27 9f db 0d 2b 9e 93 5c 5a f3 cf 47 4b 06 79 df c2 48 c1 f5 ae a4 b8 b3 2c 5d 29 5e 57 07 9d 0f e6 62 a4 6b 7f 71 cd 47 74 4d b8 6c 50 b7 04 c9 71 d9 02 95 c7 b2 c7 43 9a 2d 78 cc fa 79 b5 fc 2b ff 6b bf 84 02 62 bf 89 39 4b 3e 06 91 95 12 64 d2 70 0c 83 8f a2 c7 b3 42 52 60 f5 95 54 e5 02 dc ea 39 cb 31 3b 00 00 00 00 00 00 4c a7 c1 2f 45 85 8d 62 84 ca 62 70 d6 b2 f0 e5 8f de d8 a7 b4 a3 02 a9 7b c6 41 df 07 72 0b a2 b2 6b bf cc 80 7c a0 ab b1 b4 43 22 26 9c 21 c5 ec 68 cb 06 8e a8 80 67 d9 05 ea 91 7b b0 3e ef da eb de ab f2 d0 dc e8 09 97 c9 15 c8 94 9d e9 92 58 7c 2c b5 fe 36 d7 d3 e5 db 21 b0 94 b8 b7 79 40 b5 f0 77 22 e4 7a 08 d3 67 e5 f8 4c 96 ec 66 4b 72 93 4b 99 b3 10 9a f6 5d 77 e8 6a bd 68 59 cd df 4b ba e1 f0 93 04 62 df 15 fd db c4 85 62 ea 35 11 a8 06 5e f0 28 cf 12 f1 4d cf 6e be cd 8d 98 48 36 17 4f af 1a a6 09 e5 f1 ee 11 62 df a1 3b dc 1f a7 cf aa db a8 5c 72 e9 75 8f 03 a7 05 00 be 53 f8 d2 a1 df b1 c6 8c c1 64 b0 a0 78 0d 97 1a 96 ea 2c 4d 4c a0 39 8c 22 35 98 0a 93 07 b3 d5 bd 3b 01 fa ff d0 a5 db ed 28 81 a9 70 0a f5 61 ac 8c 6b 00 00 00 00 00 00 00 f9 6f 06 81 7f b9 03 72 9a 7d b6 ff 95 76 97 c9 ed e7 88 5d 94 ff b0 96 9b e0 da f6 0a f9 31 09 eb 1d ee 72 e4 36 3f 51 af 62 af 6f b2 a6 df 3b ec 89 82 2a 7a 0b 67 80 58 fa 3f ef 86 fa ec 21 6e b6 99 21 62 f8 dc bf 71 9c 14 8c d2 f9 c5 5f 49 01 20 3a 9a 8a 2c 3e 90 f3 94 3d bc 10 36 0a 1a 49 70 0d 1d fb f6 6d 69 f6 fb af 50 6c 8b cc e8 bb 0d 87 2a 02 23 89 26 40 7a 4e dd d5 d0 fc 5a 75 2f 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} (length 0x1000)
// size: len = 0x8f5 (2 bytes)
// }
// }
// }
// len: len = 0x1006 (8 bytes)
// ]
*(uint32_t*)0x200000000000 = 0xfc;
memcpy((void*)0x200000000004, "... [truncated large byte array] ...", 4096);
*(uint16_t*)0x200000001004 = 0x8f5;
syscall(__NR_write, /*fd=*/(intptr_t)-1, /*data=*/0x200000000000ul, /*len=*/0x1006ul);
// syz_usb_connect arguments: [
// speed: usb_device_speed = 0x0 (8 bytes)
// dev_len: len = 0x2d (8 bytes)
// dev: ptr[inout, array[ANYUNION]] {
// array[ANYUNION] {
// union ANYUNION {
// ANYBLOB: buffer: {12 01 00 00 ea fa 72 40 93 69 01 b0 29 3d f4 00 10 01 09 02 1b 00 01 24 a8 00 80 09 04 00 00 01 03 00 00 00 09 05} (length 0x26)
// }
// union ANYUNION {
// ANYRES16: ANYRES16 (resource)
// }
// }
// }
// conn_descs: nil
// ]
// returns fd_usb
memcpy((void*)0x200000000280, "... [truncated large byte array] ...", 38);
*(uint16_t*)0x2000000002a6 = -1;
syz_usb_connect(/*speed=*/0, /*dev_len=*/0x2d, /*dev=*/0x200000000280, /*conn_descs=*/0);
return 0;
}
]