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>
#ifndef __NR_bpf
#define __NR_bpf 321
#endif
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);
}
uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};
int main(void)
{
syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul);
syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*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=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul);
const char* reason;
(void)reason;
intptr_t res = 0;
if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {}
// prlimit64 arguments: [
// pid: pid (resource)
// res: rlimit_type = 0xe (8 bytes)
// new: ptr[in, rlimit] {
// rlimit {
// soft: intptr = 0x8 (8 bytes)
// hard: intptr = 0x8b (8 bytes)
// }
// }
// old: nil
// ]
*(uint64_t*)0x200000000140 = 8;
*(uint64_t*)0x200000000148 = 0x8b;
syscall(__NR_prlimit64, /*pid=*/0, /*res=RLIMIT_RTPRIO*/0xeul, /*new=*/0x200000000140ul, /*old=*/0ul);
// sched_setscheduler arguments: [
// pid: pid (resource)
// policy: sched_policy = 0x2 (8 bytes)
// prio: ptr[in, int32] {
// int32 = 0x7 (4 bytes)
// }
// ]
*(uint32_t*)0x200000000340 = 7;
syscall(__NR_sched_setscheduler, /*pid=*/0, /*policy=SCHED_RR*/2ul, /*prio=*/0x200000000340ul);
// socket$nl_rdma arguments: [
// domain: const = 0x10 (8 bytes)
// type: const = 0x3 (8 bytes)
// proto: const = 0x14 (4 bytes)
// ]
// returns sock_nl_rdma
res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0x14);
if (res != -1)
r[0] = res;
// sendmsg$RDMA_NLDEV_CMD_NEWLINK arguments: [
// fd: sock_nl_rdma (resource)
// msg: ptr[in, msghdr_netlink[netlink_msg[RDMA_NLDEV_NEWLINK, void, nldev_policy$NEWLINK]]] {
// msghdr_netlink[netlink_msg[RDMA_NLDEV_NEWLINK, void, nldev_policy$NEWLINK]] {
// addr: nil
// addrlen: len = 0x0 (4 bytes)
// pad = 0x0 (4 bytes)
// vec: ptr[in, iovec[in, netlink_msg[RDMA_NLDEV_NEWLINK, void, nldev_policy$NEWLINK]]] {
// iovec[in, netlink_msg[RDMA_NLDEV_NEWLINK, void, nldev_policy$NEWLINK]] {
// addr: ptr[inout, array[ANYUNION]] {
// array[ANYUNION] {
// union ANYUNION {
// ANYBLOB: buffer: {38 00 00 00 03 14 01 00 2a bd 70 00 fe db df 25 09 00 02 00 73 79 7a 30 00 00 00 00 08 00 41 00 72 78 65 00 14 00 33 00 62 6f 6e 64 30} (length 0x2d)
// }
// }
// }
// len: len = 0x38 (8 bytes)
// }
// }
// vlen: const = 0x1 (8 bytes)
// ctrl: const = 0x0 (8 bytes)
// ctrllen: const = 0x0 (8 bytes)
// f: send_flags = 0x4000840 (4 bytes)
// pad = 0x0 (4 bytes)
// }
// }
// f: send_flags = 0x24004000 (8 bytes)
// ]
*(uint64_t*)0x2000000000c0 = 0;
*(uint32_t*)0x2000000000c8 = 0;
*(uint64_t*)0x2000000000d0 = 0x200000000080;
*(uint64_t*)0x200000000080 = 0x200000000040;
memcpy((void*)0x200000000040, "... [truncated large byte array] ...", 45);
*(uint64_t*)0x200000000088 = 0x38;
*(uint64_t*)0x2000000000d8 = 1;
*(uint64_t*)0x2000000000e0 = 0;
*(uint64_t*)0x2000000000e8 = 0;
*(uint32_t*)0x2000000000f0 = 0x4000840;
syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x2000000000c0ul, /*f=MSG_ZEROCOPY|MSG_FASTOPEN|MSG_NOSIGNAL*/0x24004000ul);
// socket$nl_rdma arguments: [
// domain: const = 0x10 (8 bytes)
// type: const = 0x3 (8 bytes)
// proto: const = 0x14 (4 bytes)
// ]
// returns sock_nl_rdma
res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0x14);
if (res != -1)
r[1] = res;
// syz_usb_connect$hid arguments: [
// speed: usb_device_speed = 0x0 (8 bytes)
// dev_len: len = 0x36 (8 bytes)
// dev: ptr[inout, array[ANYUNION]] {
// array[ANYUNION] {
// union ANYUNION {
// ANYBLOB: buffer: {} (length 0x0)
// }
// }
// }
// conn_descs: nil
// ]
// returns fd_usb_hid
syz_usb_connect(/*speed=*/0, /*dev_len=*/0x36, /*dev=*/0x200000000180, /*conn_descs=*/0);
// write$RDMA_USER_CM_CMD_CREATE_ID arguments: [
// fd: fd_rdma_cm (resource)
// data: ptr[in, rdma_ucm_cmd_t[RDMA_USER_CM_CMD_CREATE_ID, rdma_ucm_create_id]] {
// rdma_ucm_cmd_t[RDMA_USER_CM_CMD_CREATE_ID, rdma_ucm_create_id] {
// cmd: const = 0x0 (4 bytes)
// in: bytesize = 0x18 (2 bytes)
// out: const = 0xfa00 (2 bytes)
// msg: rdma_ucm_create_id {
// uid: int64 = 0x2 (8 bytes)
// response: nil
// ps: rdma_port_space = 0x111 (2 bytes)
// qp_type: ib_qp_type = 0x2 (1 bytes)
// reserved: buffer: {00 00 00 00 00} (length 0x5)
// }
// }
// }
// len: bytesize = 0x20 (8 bytes)
// ]
*(uint32_t*)0x200000000140 = 0;
*(uint16_t*)0x200000000144 = 0x18;
*(uint16_t*)0x200000000146 = 0xfa00;
*(uint64_t*)0x200000000148 = 2;
*(uint64_t*)0x200000000150 = 0;
*(uint16_t*)0x200000000158 = 0x111;
*(uint8_t*)0x20000000015a = 2;
memset((void*)0x20000000015b, 0, 5);
syscall(__NR_write, /*fd=*/(intptr_t)-1, /*data=*/0x200000000140ul, /*len=*/0x20ul);
// sendmsg$RDMA_NLDEV_CMD_PORT_GET arguments: [
// fd: sock_nl_rdma (resource)
// msg: ptr[in, msghdr_netlink[netlink_msg[RDMA_NLDEV_PORT_GET, void, nldev_policy$PORT_GET]]] {
// msghdr_netlink[netlink_msg[RDMA_NLDEV_PORT_GET, void, nldev_policy$PORT_GET]] {
// addr: nil
// addrlen: len = 0x0 (4 bytes)
// pad = 0x0 (4 bytes)
// vec: ptr[in, iovec[in, netlink_msg[RDMA_NLDEV_PORT_GET, void, nldev_policy$PORT_GET]]] {
// iovec[in, netlink_msg[RDMA_NLDEV_PORT_GET, void, nldev_policy$PORT_GET]] {
// addr: ptr[inout, array[ANYUNION]] {
// array[ANYUNION] {
// union ANYUNION {
// ANYBLOB: buffer: {20 00 00 00 04 14 01 00 26 bd 70 00 ff db df 25 08 00 01 00 00 00 00 00 08 00} (length 0x1a)
// }
// }
// }
// len: len = 0x20 (8 bytes)
// }
// }
// vlen: const = 0x1 (8 bytes)
// ctrl: const = 0x0 (8 bytes)
// ctrllen: const = 0x0 (8 bytes)
// f: send_flags = 0x20048000 (4 bytes)
// pad = 0x0 (4 bytes)
// }
// }
// f: send_flags = 0x20000000 (8 bytes)
// ]
*(uint64_t*)0x2000000002c0 = 0;
*(uint32_t*)0x2000000002c8 = 0;
*(uint64_t*)0x2000000002d0 = 0x200000000200;
*(uint64_t*)0x200000000200 = 0x200000000140;
memcpy((void*)0x200000000140, "\x20\x00\x00\x00\x04\x14\x01\x00\x26\xbd\x70\x00\xff\xdb\xdf\x25\x08\x00\x01\x00\x00\x00\x00\x00\x08\x00", 26);
*(uint64_t*)0x200000000208 = 0x20;
*(uint64_t*)0x2000000002d8 = 1;
*(uint64_t*)0x2000000002e0 = 0;
*(uint64_t*)0x2000000002e8 = 0;
*(uint32_t*)0x2000000002f0 = 0x20048000;
syscall(__NR_sendmsg, /*fd=*/r[1], /*msg=*/0x2000000002c0ul, /*f=MSG_FASTOPEN*/0x20000000ul);
// bpf$PROG_LOAD arguments: [
// cmd: const = 0x5 (8 bytes)
// arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] {
// bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]] {
// type: bpf_prog_type = 0x1d (4 bytes)
// ninsn: bytesize8 = 0x0 (4 bytes)
// insns: nil
// license: ptr[in, buffer] {
// buffer: {47 50 4c 00} (length 0x4)
// }
// loglev: int32 = 0x5 (4 bytes)
// logsize: len = 0x0 (4 bytes)
// log: nil
// kern_version: bpf_kern_version = 0x0 (4 bytes)
// flags: bpf_prog_load_flags = 0x42 (4 bytes)
// prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} (length 0x10)
// prog_ifindex: ifindex (resource)
// expected_attach_type: union bpf_prog_attach_types {
// fallback: bpf_attach_types = 0x0 (4 bytes)
// }
// btf_fd: fd_btf (resource)
// func_info_rec_size: const = 0x6 (4 bytes)
// func_info: nil
// func_info_cnt: len = 0x0 (4 bytes)
// line_info_rec_size: const = 0x10 (4 bytes)
// line_info: nil
// line_info_cnt: len = 0x0 (4 bytes)
// attach_btf_id: bpf_btf_id (resource)
// attach_prog_fd: fd_bpf_prog (resource)
// core_relo_cnt: len = 0x0 (4 bytes)
// fd_array: nil
// core_relos: nil
// core_relo_rec_size: const = 0x10 (4 bytes)
// log_true_size: int32 = 0x0 (4 bytes)
// prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]_prog_token_fd_wrapper {
// void: buffer: {} (length 0x0)
// }
// pad: union _bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]_pad_wrapper {
// value: const = 0x0 (4 bytes)
// }
// }
// }
// size: len = 0x94 (8 bytes)
// ]
// returns fd_bpf_prog
*(uint32_t*)0x200000000a00 = 0x1d;
*(uint32_t*)0x200000000a04 = 0;
*(uint64_t*)0x200000000a08 = 0;
*(uint64_t*)0x200000000a10 = 0x200000000080;
memcpy((void*)0x200000000080, "GPL\000", 4);
*(uint32_t*)0x200000000a18 = 5;
*(uint32_t*)0x200000000a1c = 0;
*(uint64_t*)0x200000000a20 = 0;
*(uint32_t*)0x200000000a28 = 0;
*(uint32_t*)0x200000000a2c = 0x42;
memset((void*)0x200000000a30, 0, 16);
*(uint32_t*)0x200000000a40 = 0;
*(uint32_t*)0x200000000a44 = 0;
*(uint32_t*)0x200000000a48 = -1;
*(uint32_t*)0x200000000a4c = 6;
*(uint64_t*)0x200000000a50 = 0;
*(uint32_t*)0x200000000a58 = 0;
*(uint32_t*)0x200000000a5c = 0x10;
*(uint64_t*)0x200000000a60 = 0;
*(uint32_t*)0x200000000a68 = 0;
*(uint32_t*)0x200000000a6c = -1;
*(uint32_t*)0x200000000a70 = -1;
*(uint32_t*)0x200000000a74 = 0;
*(uint64_t*)0x200000000a78 = 0;
*(uint64_t*)0x200000000a80 = 0;
*(uint32_t*)0x200000000a88 = 0x10;
*(uint32_t*)0x200000000a8c = 0;
*(uint32_t*)0x200000000a90 = 0;
syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000a00ul, /*size=*/0x94ul);
return 0;
}
]