// https://syzkaller.appspot.com/bug?id=8ffdea60c2a35e0c647186e9589873f6baa7cb32
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <pthread.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_link.h>
#include <linux/in6.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/veth.h>
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 void thread_start(void* (*fn)(void*), void* arg)
{
pthread_t th;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 128 << 10);
int i = 0;
for (; i < 100; i++) {
if (pthread_create(&th, &attr, fn, arg) == 0) {
pthread_attr_destroy(&attr);
return;
}
if (errno == EAGAIN) {
usleep(50);
continue;
}
break;
}
exit(1);
}
typedef struct {
int state;
} event_t;
static void event_init(event_t* ev)
{
ev->state = 0;
}
static void event_reset(event_t* ev)
{
ev->state = 0;
}
static void event_set(event_t* ev)
{
if (ev->state)
exit(1);
__atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}
static void event_wait(event_t* ev)
{
while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}
static int event_isset(event_t* ev)
{
return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}
static int event_timedwait(event_t* ev, uint64_t timeout)
{
uint64_t start = current_time_ms();
uint64_t now = start;
for (;;) {
uint64_t remain = timeout - (now - start);
struct timespec ts;
ts.tv_sec = remain / 1000;
ts.tv_nsec = (remain % 1000) * 1000 * 1000;
syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
return 1;
now = current_time_ms();
if (now - start > timeout)
return 0;
}
}
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[4096];
};
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;
if (size > 0)
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 (reply_len)
*reply_len = 0;
if (hdr->nlmsg_type == NLMSG_DONE)
return 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_query_family_id(struct nlmsg* nlmsg, int sock,
const char* family_name)
{
struct genlmsghdr genlhdr;
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, family_name,
strnlen(family_name, GENL_NAMSIZ - 1) + 1);
int n = 0;
int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n);
if (err < 0) {
return -1;
}
uint16_t id = 0;
struct nlattr* 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);
return id;
}
static long syz_genetlink_get_family_id(volatile long name)
{
struct nlmsg nlmsg_tmp;
int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (fd == -1) {
return -1;
}
int ret = netlink_query_family_id(&nlmsg_tmp, fd, (char*)name);
close(fd);
if (ret < 0) {
return -1;
}
return ret;
}
static void kill_and_wait(int pid, int* status)
{
kill(-pid, SIGKILL);
kill(pid, SIGKILL);
for (int 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");
}
struct thread_t {
int created, call;
event_t ready, done;
};
static struct thread_t threads[16];
static void execute_call(int call);
static int running;
static void* thr(void* arg)
{
struct thread_t* th = (struct thread_t*)arg;
for (;;) {
event_wait(&th->ready);
event_reset(&th->ready);
execute_call(th->call);
__atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
event_set(&th->done);
}
return 0;
}
static void execute_one(void)
{
int i, call, thread;
int collide = 0;
again:
for (call = 0; call < 12; call++) {
for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
thread++) {
struct thread_t* th = &threads[thread];
if (!th->created) {
th->created = 1;
event_init(&th->ready);
event_init(&th->done);
event_set(&th->done);
thread_start(thr, th);
}
if (!event_isset(&th->done))
continue;
event_reset(&th->done);
th->call = call;
__atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
event_set(&th->ready);
if (collide && (call % 2) == 0)
break;
event_timedwait(&th->done, 45);
break;
}
}
for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
sleep_ms(1);
if (!collide) {
collide = 1;
goto again;
}
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
int iter = 0;
for (;; 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;
}
}
}
#ifndef __NR_ioctl
#define __NR_ioctl 54
#endif
#ifndef __NR_mmap
#define __NR_mmap 192
#endif
#ifndef __NR_sendmsg
#define __NR_sendmsg 370
#endif
#ifndef __NR_socket
#define __NR_socket 359
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2
uint64_t r[8] = {0xffffffffffffffff,
0xffffffffffffffff,
0x0,
0x0,
0xffffffffffffffff,
0xffffffffffffffff,
0xffffffffffffffff,
0xffffffffffffffff};
void execute_call(int call)
{
intptr_t res = 0;
switch (call) {
case 0:
res = syscall(__NR_socket, 0x10, 3, 0x10);
if (res != -1)
r[0] = res;
break;
case 1:
memcpy((void*)0x200001c0,
"wlan0\000\000\000\000\000\000\000\000\000\000\000", 16);
syscall(__NR_ioctl, (intptr_t)r[0], 0x8914, 0x200001c0);
break;
case 2:
res = syscall(__NR_socket, 0x10, 3, 0x10);
if (res != -1)
r[1] = res;
break;
case 3:
memcpy((void*)0x20000200, "nl80211\000", 8);
res = -1;
res = syz_genetlink_get_family_id(0x20000200);
if (res != -1)
r[2] = res;
break;
case 4:
memcpy((void*)0x20000700,
"wlan0\000\000\000\000\000\000\000\000\000\000\000", 16);
res = syscall(__NR_ioctl, (intptr_t)r[1], 0x8933, 0x20000700);
if (res != -1)
r[3] = *(uint32_t*)0x20000710;
break;
case 5:
*(uint32_t*)0x20000340 = 0;
*(uint32_t*)0x20000344 = 0;
*(uint32_t*)0x20000348 = 0x20000300;
*(uint32_t*)0x20000300 = 0x20000040;
*(uint32_t*)0x20000040 = 0x24;
*(uint16_t*)0x20000044 = r[2];
*(uint16_t*)0x20000046 = 5;
*(uint32_t*)0x20000048 = 0;
*(uint32_t*)0x2000004c = 0;
*(uint8_t*)0x20000050 = 6;
*(uint8_t*)0x20000051 = 0;
*(uint16_t*)0x20000052 = 0;
*(uint16_t*)0x20000054 = 8;
*(uint16_t*)0x20000056 = 3;
*(uint32_t*)0x20000058 = r[3];
*(uint16_t*)0x2000005c = 8;
*(uint16_t*)0x2000005e = 5;
*(uint32_t*)0x20000060 = 7;
*(uint32_t*)0x20000304 = 0x24;
*(uint32_t*)0x2000034c = 1;
*(uint32_t*)0x20000350 = 0;
*(uint32_t*)0x20000354 = 0;
*(uint32_t*)0x20000358 = 0;
syscall(__NR_sendmsg, (intptr_t)r[1], 0x20000340, 0);
break;
case 6:
*(uint32_t*)0x20001280 = 0;
*(uint32_t*)0x20001284 = 0;
*(uint32_t*)0x20001288 = 0x20001240;
*(uint32_t*)0x20001240 = 0x20000080;
*(uint16_t*)0x20000080 = 0;
*(uint32_t*)0x20000082 = 0;
memcpy(
(void*)0x20000086,
"\x06\x00\x66\x00\x00\x00\x00\x00\x04\x00\x67\x00\x6a\x0f\x33\x00\x70"
"\xb5\xa3\x6f\x21\x6e\x34\xd2\x33\x8f\x4e\xd9\xa7\x77\x4e\xac\x4e\x6f"
"\xfc\xd3\xf6\xaa\xa3\xc3\x4f\xf3\x38\x9d\x2c\x41\x46\xf0\x78\xa5\xdc"
"\xd1\xad\x60\x61\x13\x94\x19\xb2\xc3\xf8\xa1\x6f\x7e\x68\x20\xf5\x1f"
"\x61\xb2\x5f\xe2\xf0\x33\x44\xe6\xac\x3c\x42\x2b\xb3\xe6\xc6\xb7\xb2"
"\x36\xf2\x21\xca\xcf\xfa\xd5\x43\xa4\x91\x18\xc9\x4a\x01\x2a\xda\x60"
"\xb6\x10\x27\x8b\xd3\x48\xb2\xc0\x12\x4f\x59\x80\xde\xc1\x6b\xd7\x0c"
"\xff\xf5\xbe\xc9\x9c\x20\xb0\x7d\x91\xd3\xca\x14\xfe\x18\x79\x54\x20"
"\x5d\xe7\xdb\x7f\xdc\x9f\x80\x6a\x20\x0f\x99\xaa\xf3\x0e\x36\xd3\x4c"
"\x89\x86\x9c\xf1\xe9\x5f\x55\xb3\x83\x23\x5b\x5c\x07\xcf\xc7\xde\xc8"
"\xea\xad\x71\x93\x46\xd1\xed\xd5\x61\xa8\x66\x1d\x57\xe6\x21\xf4\xd2"
"\x56\x87\xfa\x5b\x24\x5a\xd1\xb8\x9b\x58\x73\x65\x35\x63\x54\x43\x48"
"\x09\xd6\x40\x20\xa9\x49\x0f\xca\xed\x02\x76\x89\x0b\x55\xe7\x16\x0a"
"\x60\x70\xab\xc8\xac\x01\xd1\x5b\x12\x0f\x0b\xd5\xf4\xff\x05\xc6\x3d"
"\xcf\xc8\xba\x95\xd3\x6e\xd0\x8c\x5f\x29\x93\x7b\x29\x3b\x0d\x24\xce"
"\x7c\xde\x1b\xeb\x2d\x65\x60\x36\x5b\x59\x0b\x29\x0a\x62\x81\x8b\x5a"
"\x3b\x8d\x87\x45\x57\x81\x60\x71\x10\x45\x14\x7b\x2f\x54\xba\x95\xba"
"\x71\x22\xf7\x65\xc5\xa5\xea\xa1\x53\x1c\xef\x8f\x67\x69\x9b\x47\x60"
"\x65\xfd\x16\x75\xec\xe8\x67\x6e\xac\xa8\xc4\x53\x72\x59\x04\x3c\xa7"
"\x9d\x8a\xb4\x77\xaf\xca\xe2\x65\x17\xd1\x4a\x99\xa4\x90\x8f\x67\x79"
"\x45\x9d\x53\xf6\x71\x35\x91\xd8\x36\x15\x73\x1d\x46\x3c\xaa\xf7\x74"
"\xa9\xd6\x6f\xb7\x83\x45\xc3\xd3\x0e\xe4\x29\xbb\xa1\xd4\xf6\xb6\x85"
"\xcb\x98\x45\xef\x52\xc8\x6e\xb0\x89\x87\x17\x75\x60\x38\xa3\x2f\xab"
"\x83\x50\xe6\xbf\xa5\xf6\x2d\x8f\xea\xd8\xe7\xc8\xf2\xf3\x06\xbd\x73"
"\xcc\xda\x6b\xe2\x9f\xff\x8a\xe8\xee\x0c\x77\x9a\x35\x8e\x2c\xb4\x94"
"\xef\xcd\x64\x59\xa6\x02\x36\x1e\x14\xca\x56\xf5\x51\x26\x8e\xd2\xbd"
"\xc7\x03\x0f\xb6\xa4\x5e\xa9\x7a\x68\xec\x61\xb6\x47\x14\x53\x1f\x6b"
"\x3b\x76\x08\x97\xb0\x0e\x81\xee\xd5\x9a\xb9\xd4\xa1\xc3\x5b\x5f\x1e"
"\x76\x96\xcf\x71\xf3\x11\xbb\xb3\xdb\x1e\xfe\x24\x51\x95\x23\xdf\xb5"
"\xf8\x27\xde\x6a\x78\xf7\x7d\x50\x91\x09\xce\x28\x37\xa6\x1e\x5b\x5b"
"\xc8\x03\x39\x55\xaf\xfd\x68\xf9\x3d\x02\x67\xb7\x30\x82\xfe\x1f\xf1"
"\xd3\x4d\xa9\xed\xf1\xe6\xd9\x6a\xd0\xa1\x84\xba\x41\x04\xf2\x7a\x55"
"\x95\xa6\x3e\x30\x24\xe6\x7d\x68\xee\xf8\x79\x93\x47\x64\xb1\xf4\x39"
"\xed\x57\xe4\x61\xab\x72\xe2\xa8\x2c\xa7\xf0\xc8\x9f\x74\x90\xb6\x5a"
"\x1d\xfa\xc3\x6d\xff\xab\x60\x76\x5b\xdd\x0f\xe3\x55\x2a\xf2\x70\x3a"
"\xb0\x72\xa9\xe8\xc3\xbd\x5e\xc6\x29\xb8\x48\x3b\xf9\x8c\x11\xfc\xe7"
"\x90\x69\xe2\x86\x85\xb6\xe5\xdf\x08\xd4\xd7\xe4\xd3\xe9\xab\xcc\x65"
"\xa9\x7b\x09\xfe\x06\x5d\xec\x3b\x22\xbb\x32\x99\xb7\x75\xcb\xa1\x5a"
"\x48\x1b\x8c\x7d\x8d\x7f\x0a\xb4\xa0\x02\x2c\xf3\x47\x0e\x99\x05\x42"
"\x3f\x9d\x02\xa9\xb7\x47\x66\xac\xf8\x0b\xce\x07\x2a\xa4\x53\xe8\xae"
"\xa6\x11\xc0\x18\x1f\xe2\x2a\x3d\xcf\xb4\xc4\x29\xd0\x28\xb0\xf6\x83"
"\x8e\xc4\x10\x08\xea\xbe\xcc\x80\x1f\x3e\xa5\xb7\xab\x61\x4e\x19\xa6"
"\x06\x7a\xc4\x22\x05\xfe\xde\x87\x3c\xd4\xc3\x6d\xb5\x3d\xd2\x1d\xbc"
"\x8c\xeb\xf3\x99\x6a\x7a\x22\x7f\x06\x4e\xef\xd9\x32\x89\x9f\xda\x3b"
"\xbd\xf7\x00\xef\x81\x8d\xbb\xaf\xc2\x11\xf1\x4b\xad\xd7\x32\x14\xc9"
"\x14\x4d\xda\x61\x8e\xd4\x53\x84\x20\x58\xe8\x96\x12\xe5\x18\xb1\xa1"
"\x2d\xb6\xd8\x9a\xfd\x16\x1b\xc0\xe0\x5e\xf6\x3a\x0d\xb7\x7c\x5a\x44"
"\x4c\xa5\x06\x45\x46\x64\x4b\x0e\xce\x24\xe5\xcd\xc4\x18\x44\x13\x23"
"\x9e\xa5\x71\x2c\x33\x9b\x70\x89\xbe\xd5\x0e\x83\xf3\xb8\x10\x7a\xa1"
"\x3a\xbf\xb2\xf6\x70\xb7\x48\xd7\xa7\x31\x6e\x2d\x98\x67\x2f\x26\x8a"
"\xc8\xee\x86\x23\x97\x93\x27\x89\xb2\x69\x01\xde\x60\x33\x46\xdd\x9d"
"\xa0\x11\xa8\x04\x42\xce\xe6\x69\x28\xab\x43\xa3\x76\x86\x14\x56\x54"
"\x68\xf0\xda\xf2\xcb\x99\x32\x15\x34\xc2\x69\x91\x56\xf6\xe1\x10\x92"
"\x0b\x93\x1d\x5d\x1b\xf5\xed\x54\xa4\xbd\x02\x92\xff\xb5\x8b\x40\x8d"
"\x42\xb0\x8a\x39\x26\x51\xd2\x7d\x0e\xa5\x3e\xd4\x91\xd1\xc2\x11\xb4"
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"\x20\x35\xd9\xb3\x76\x11\x5f\x60\x0c\xe0\x4f\x25\xb0\x86\xa1\xa2\x36"
"\x23\x17\x80\xf5\x9e\x02\x03\x8c\x7d\x78\xd0\xae\x43\xfc\x39\x0f\x32"
"\x3b\xda\x68\xad\xbf\xe4\xee\x61\x67\xfa\x93\xe9\x09\x85\xa6\x21\xe7"
"\x8a\xa5\x0f\xba\x64\xac\x08\x4a\x02\x94\xd2\x5c\xe2\x0b\x09\xfd\x49"
"\x2e\x03\x4c\x09\x6f\xde\x4b\xbf\x46\x65\x51\x2b\xb7\x3a\x84\x1a\x38"
"\xa7\x73\x75\x1b\x4b\x53\x53\x2e\x12\x51\xac\xbf\xb1\x50\xf9\x68\x9b"
"\xd5\x39\x3a\x8c\x30\xef\x5b\xae\xff\xae\xc1\x60\x39\x6e\xee\xa4\xfd"
"\xbe\xe6\x44\x50\xfb\x93\x67\x9d\x52\xb2\xcc\xda\xbc\xbd\x6b\xac\xd3"
"\x52\x6d\x8f\xe5\x66\x6d\xd1\x19\x80\x22\x8e\xc9\x90\x8f\x76\x1a\x74"
"\x4c\x30\xea\x1f\x44\x26\xa9\xf3\x89\x2e\xc3\x9e\xa8\xa5\xec\x24\x8f"
"\xd4\xda\x46\xf2\xc9\x9a\x8a\xd2\x9b\x10\xc2\x2d\x8a\x86\x1f\xa1\x92"
"\xe7\x63\x27\x3e\x78\xc2\xee\xd4\xd2\x5d\xaa\xef\x3c\xe7\xf4\xa9\x93"
"\x44\x76\x4e\x2e\x27\x04\x4c\x57\x39\xbf\x53\x56\xd4\xe9\x2e\x2a\x3a"
"\xb1\x5a\x39\xd0\x22\x07\xa2\x32\x1f\xfd\xba\xae\xae\x04\x0f\xde\xd0"
"\xf1\x65\x19\x89\x6a\x73\x29\x0b\x29\x25\xac\xd5\xef\x89\xd0\x46\x50"
"\x62\x6b\xdb\x3f\x12\xaa\x85\x0e\xaa\xa1\x7b\x1a\x0d\x4e\x52\xb6\xc3"
"\xb1\x62\x79\xf3\xd5\x57\xc3\x1f\xce\x76\x7f\x90\xc8\x9c\x1d\x8d\x09"
"\x9b\xf5\xbc\x23\x4a\x71\x51\x69\x7f\x2b\x54\xcd\x6c\xa5\xcd\xe2\xc8"
"\xd5\xb3\x80\x28\x7f\x86\xd3\x0b\xfe\x63\x83\x5c\xd0\x47\x02\x87\xf4"
"\x25\x16\x7e\xb8\x56\x01\x91\xe9\xe5\x7d\xa5\x5a\xae\xb1\x80\x76\x53"
"\x79\xdc\xb8\x9b\x64\x4a\x58\xa9\x95\xcc\x7d\xa9\xa5\x72\x3d\xea\xa4"
"\x88\xda\x2c\x04\x8b\x25\x84\xa4\x49\x6b\x46\xe2\xac\xa3\x79\x99\xee"
"\x22\x33\x09\x39\xc8\xf1\x00\x83\xab\x2b\x49\x73\xcc\x10\x4e\x07\x27"
"\xeb\x7e\xde\x0d\xad\x3f\xcc\xd7\xae\xeb\x66\xf4\x0d\x10\x3b\xe5\xb3"
"\x8f\x8c\x21\x0a\x2d\x3b\xe3\x56\x2d\xe5\x75\x98\x74\xe9\xa1\x4e\xf2"
"\xda\x00\x50\xd3\x3b\x0d\x35\x5a\x9a\xa1\xe3\xdc\x9f\xf8\x3e\x2f\x59"
"\x81\x2a\x0e\xc1\x49\xd8\x19\x14\x3f\x63\xfb\x44\xe5\x2d\xe2\x73\xbf"
"\x57\xba\x4b\xde\x36\x17\x55\xae\x94\x9c\xb5\xac\xa8\x67\x20\xe6\x45"
"\xa9\x2c\xcb\x2b\x47\x5a\x90\x9b\x31\x66\xc9\x29\xcb\xf6\x27\xf5\x5a"
"\x81\xce\xdd\x4a\x19\xb2\x6e\x7f\xdf\xb7\xa0\x5c\x2d\x03\x4f\xd4\x99"
"\xd7\xfb\xbb\x44\xfc\xdf\xd1\x62\x50\xd7\xfa\xa8\xf4\xee\xe0\x7e\xf6"
"\x18\x5a\x3e\x6c\x90\x0a\x33\x7b\x68\x6a\xb0\x18\x65\xef\x8b\x3c\x72"
"\x09\xf1\xff\x68\x98\x9d\x04\xc9\xb6\xdd\x6f\x8a\x33\x2d\x74\xe2\xb4"
"\xf4\x41\x4f\xc0\x5a\xf0\xbf\x09\x49\xc2\x19\xfb\xdc\x45\xbd\xee\xe7"
"\x1a\x0f\x24\xd2\xa9\xe6\xbd\x15\xc9\x94\xc4\xc3\x96\x6d\x3e\x7e\x01"
"\xc9\xb2\x8f\x8d\xb5\xf6\x7e\x49\xc9\xb3\x30\x4b\x7a\xe3\x8a\x33\xed"
"\x64\xd8\x3c\xc5\x7b\xb3\x70\x08\x2f\x36\x6e\xb3\xcd\xbd\xf2\x33\x88"
"\xa6\x8b\x67\xa9\x7d\x5c\xd4\xc8\xa1\x82\x7a\x78\x1e\x87\x0b\x26\x59"
"\xd2\x10\x94\x71\x34\x5c\xdb\x09\x08\x52\x4d\x30\xfd\x71\x00\x00\x0a"
"\x00\x06\x00\x08\x02\x11",
3967);
*(uint32_t*)0x20001244 = 0xfb0;
*(uint32_t*)0x2000128c = 1;
*(uint32_t*)0x20001290 = 0;
*(uint32_t*)0x20001294 = 0;
*(uint32_t*)0x20001298 = 0;
syscall(__NR_sendmsg, -1, 0x20001280, 0);
break;
case 7:
res = syscall(__NR_socket, 0xa, 2, 0x11);
if (res != -1)
r[4] = res;
break;
case 8:
res = syscall(__NR_socket, 0x10, 3, 0x10);
if (res != -1)
r[5] = res;
break;
case 9:
memcpy((void*)0x20000000,
"wlan0\000\000\000\000\000\000\000\000\000\000\000", 16);
res = syscall(__NR_ioctl, (intptr_t)r[4], 0x8933, 0x20000000);
if (res != -1)
r[6] = *(uint32_t*)0x20000010;
break;
case 10:
memcpy((void*)0x20000200, "nl80211\000", 8);
res = -1;
res = syz_genetlink_get_family_id(0x20000200);
if (res != -1)
r[7] = res;
break;
case 11:
*(uint32_t*)0x20000040 = 0;
*(uint32_t*)0x20000044 = 0;
*(uint32_t*)0x20000048 = 0x200001c0;
*(uint32_t*)0x200001c0 = 0x20000100;
memcpy((void*)0x20000100, "<\000\000\000", 4);
*(uint16_t*)0x20000104 = r[7];
memcpy((void*)0x20000106, "\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x13\x00"
"\x00\x00\x08\x00\x03\x00",
18);
*(uint32_t*)0x20000118 = r[6];
memcpy((void*)0x2000011c, "\x04\x00\x13\x00\x06\x00\x12\x00\x00\x00\x00\x00"
"\x0a\x00\x06\x00\x08\x02\x91\x00\x00\x01\x00\x00"
"\x06\x00\x10\x00\x74\x03\x00\x00",
32);
*(uint32_t*)0x200001c4 = 0x3c;
*(uint32_t*)0x2000004c = 1;
*(uint32_t*)0x20000050 = 0;
*(uint32_t*)0x20000054 = 0;
*(uint32_t*)0x20000058 = 0;
syscall(__NR_sendmsg, (intptr_t)r[5], 0x20000040, 0);
break;
}
}
int main(void)
{
syscall(__NR_mmap, 0x1ffff000, 0x1000, 0, 0x32, -1, 0);
syscall(__NR_mmap, 0x20000000, 0x1000000, 7, 0x32, -1, 0);
syscall(__NR_mmap, 0x21000000, 0x1000, 0, 0x32, -1, 0);
loop();
return 0;
}