// https://syzkaller.appspot.com/bug?id=94100cff4d9a032b284ae1f06f9a8baaddf0a419
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

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 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) {
  }
}

#define SYZ_HAVE_SETUP_TEST 1
static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
}

#define SYZ_HAVE_RESET_TEST 1
static void reset_test()
{
  int fd;
  for (fd = 3; fd < 30; fd++)
    close(fd);
}

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();
      reset_test();
      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_accept4
#define __NR_accept4 364
#endif
#ifndef __NR_clock_adjtime
#define __NR_clock_adjtime 343
#endif
#ifndef __NR_clock_gettime
#define __NR_clock_gettime 265
#endif
#ifndef __NR_clone
#define __NR_clone 120
#endif
#ifndef __NR_eventfd2
#define __NR_eventfd2 328
#endif
#ifndef __NR_execve
#define __NR_execve 11
#endif
#ifndef __NR_fcntl
#define __NR_fcntl 55
#endif
#ifndef __NR_fsetxattr
#define __NR_fsetxattr 228
#endif
#ifndef __NR_fstat
#define __NR_fstat 108
#endif
#ifndef __NR_ftruncate
#define __NR_ftruncate 93
#endif
#ifndef __NR_getsockopt
#define __NR_getsockopt 365
#endif
#ifndef __NR_getuid
#define __NR_getuid 24
#endif
#ifndef __NR_ioctl
#define __NR_ioctl 54
#endif
#ifndef __NR_mkdirat
#define __NR_mkdirat 296
#endif
#ifndef __NR_mknod
#define __NR_mknod 14
#endif
#ifndef __NR_mmap
#define __NR_mmap 192
#endif
#ifndef __NR_mprotect
#define __NR_mprotect 125
#endif
#ifndef __NR_open
#define __NR_open 5
#endif
#ifndef __NR_pipe2
#define __NR_pipe2 331
#endif
#ifndef __NR_ppoll
#define __NR_ppoll 309
#endif
#ifndef __NR_rmdir
#define __NR_rmdir 40
#endif
#ifndef __NR_sched_setaffinity
#define __NR_sched_setaffinity 241
#endif
#ifndef __NR_sendfile
#define __NR_sendfile 187
#endif
#ifndef __NR_sendmsg
#define __NR_sendmsg 370
#endif
#ifndef __NR_setsockopt
#define __NR_setsockopt 366
#endif
#ifndef __NR_socket
#define __NR_socket 359
#endif
#ifndef __NR_timer_create
#define __NR_timer_create 259
#endif
#ifndef __NR_timerfd_gettime
#define __NR_timerfd_gettime 326
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  long res = 0;
  res = syscall(__NR_socket, 0x10, 3, 0x10);
  if (res != -1)
    r[0] = res;
  syscall(__NR_ftruncate, -1, 0x1000000);
  syscall(__NR_getuid);
  syscall(__NR_fsetxattr, (long)r[0], 0, 0, 0, 2);
  syscall(__NR_fcntl, -1, 8, -1);
  res = syscall(__NR_socket, 0xa, 1, 0);
  if (res != -1)
    r[1] = res;
  memcpy((void*)0x20000000,
         "\x5d\x7e\xf8\xbd\x03\x8c\x2a\x22\x18\x22\x18\xff\xf0\xef\x68\x14\x57"
         "\x1c\x2e\x61\xa9\xd7\xe9\x9f\xb0\xa9\x90\x87\x98\xc0\x5f\xa0\xf7\x50"
         "\x62\xfb\x0e\xa5\xea\xf0\xaa\x7e\x88\xc8\x29\xd4\x3b\x67\xab\xb1\x45"
         "\x6b\xe2\xbd\x45\x0f\x89\x3f\x71\x80\xff\xea\xee\x73\xd4\x08\x16\xa6"
         "\xfe\xbc\x07\x63\xf4\x65\x88\x93\x77\x9e\xbc\x14\x05\xbf\x18\x11\x4b"
         "\xb0\x98",
         87);
  syscall(__NR_setsockopt, (long)r[1], 0x29, 0x40, 0x20000000, 0x57);
  syscall(__NR_rmdir, 0);
  syscall(__NR_mmap, 0x20000000, 0xe7e000, 4, 0x31, -1, 0);
  *(uint32_t*)0x20000fc0 = 0;
  *(uint32_t*)0x20000fc4 = 0x2000000;
  *(uint32_t*)0x20000fc8 = 0;
  *(uint32_t*)0x20000fcc = 0;
  *(uint32_t*)0x20000fd0 = 0;
  *(uint32_t*)0x20000fd4 = 0;
  *(uint32_t*)0x20000fd8 = 0;
  *(uint32_t*)0x20000fdc = 0;
  *(uint32_t*)0x20000fe0 = 0;
  *(uint32_t*)0x20000fe4 = 0;
  *(uint32_t*)0x20000fe8 = 0;
  *(uint32_t*)0x20000fec = 0;
  *(uint32_t*)0x20000ff0 = 0xfffffffd;
  *(uint32_t*)0x20000ff4 = 0;
  *(uint32_t*)0x20000ff8 = 0;
  *(uint32_t*)0x20000ffc = 0;
  *(uint32_t*)0x20001000 = 0;
  *(uint32_t*)0x20001004 = 0;
  *(uint32_t*)0x20001008 = 0;
  *(uint32_t*)0x2000100c = 0;
  *(uint32_t*)0x20001010 = 0;
  *(uint32_t*)0x20001014 = 0;
  *(uint32_t*)0x20001018 = 0;
  *(uint32_t*)0x2000101c = 0;
  *(uint32_t*)0x20001020 = 0;
  *(uint32_t*)0x20001024 = 0;
  syscall(__NR_clock_adjtime, 0, 0x20000fc0);
  syscall(__NR_open, 0, 0x200, 0x92);
  syscall(__NR_ioctl, -1, 0x40046208, 0);
  syscall(__NR_timerfd_gettime, -1, 0);
  syscall(__NR_fstat, -1, 0);
  syscall(__NR_socket, 0xf, 6, 0);
  syscall(__NR_accept4, 0xffffff9c, 0, 0, 0x800);
  syscall(__NR_socket, 0xa, 2, 0x88);
  syscall(__NR_pipe2, 0x20000140, 0);
  syscall(__NR_open, 0, 0x28080, 0x24);
  syscall(__NR_sendmsg, -1, 0, 0);
  syscall(__NR_mprotect, 0x20000000, 0x800000, 6);
  syscall(__NR_mkdirat, -1, 0, 0x1ff);
  syscall(__NR_sched_setaffinity, 0, 0, 0);
  syscall(__NR_clone, 0x2001ffb, 0, 0x99999999, 0, -1);
  syscall(__NR_mknod, 0, 0xff7, 0xfffffffd);
  res = syscall(__NR_eventfd2, 0, 0);
  if (res != -1)
    r[2] = res;
  syscall(__NR_getsockopt, -1, 6, 0x1d, 0, 0);
  syscall(__NR_timer_create, 0, 0, 0);
  syscall(__NR_ioctl, -1, 0x89a1, 0);
  syscall(__NR_ftruncate, -1, 0x280080);
  syscall(__NR_sendfile, -1, -1, 0, 0xfffffffe);
  syscall(__NR_clock_gettime, 0, 0);
  syscall(__NR_ftruncate, (long)r[2], 0x3f);
  *(uint32_t*)0x20000000 = -1;
  *(uint16_t*)0x20000004 = 1;
  *(uint16_t*)0x20000006 = 0;
  syscall(__NR_ppoll, 0x20000000, 1, 0, 0, 0);
  syscall(__NR_setsockopt, -1, 0, 0, 0, 0);
  syscall(__NR_socket, 0xa, 1, 0);
  syscall(__NR_clone, 0x2001ffb, 0, 0x99999999, 0, -1);
  syscall(__NR_mknod, 0, 0xff7, 0xfffffffd);
  syscall(__NR_execve, 0, 0, 0);
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}