// https://syzkaller.appspot.com/bug?id=3c3b78e49f42ef9639c97531685d8de5671ec75c
// 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 <stdarg.h>
#include <stdbool.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>

#ifndef __NR_ioctl
#define __NR_ioctl 54
#endif
#ifndef __NR_mmap
#define __NR_mmap 192
#endif
#ifndef __NR_openat
#define __NR_openat 322
#endif
#ifndef __NR_write
#define __NR_write 4
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2

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;
}

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");
}

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 (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 15000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x20000040, "/dev/uinput\000", 12);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000040,
                /*flags=O_RDWR_NONBLOCK*/ 0x802, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000340 = 0x2f;
  *(uint32_t*)0x20000344 = 0;
  *(uint32_t*)0x20000348 = 0;
  *(uint32_t*)0x2000034c = 0;
  *(uint32_t*)0x20000350 = 0;
  *(uint32_t*)0x20000354 = 0;
  *(uint32_t*)0x20000358 = 0;
  syscall(__NR_ioctl, /*fd=*/(intptr_t)r[0], /*cmd=*/0x401c5504,
          /*arg=*/0x20000340);
  memcpy((void*)0x20000c80,
         "syz0\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000",
         80);
  *(uint16_t*)0x20000cd0 = 0;
  *(uint16_t*)0x20000cd2 = 0;
  *(uint16_t*)0x20000cd4 = 0;
  *(uint16_t*)0x20000cd6 = 0;
  *(uint32_t*)0x20000cd8 = 0;
  *(uint32_t*)0x20000cdc = 0;
  *(uint32_t*)0x20000ce0 = 0;
  *(uint32_t*)0x20000ce4 = 0;
  *(uint32_t*)0x20000ce8 = 0;
  *(uint32_t*)0x20000cec = 0;
  *(uint32_t*)0x20000cf0 = 0;
  *(uint32_t*)0x20000cf4 = 0;
  *(uint32_t*)0x20000cf8 = 0;
  *(uint32_t*)0x20000cfc = 0;
  *(uint32_t*)0x20000d00 = 0;
  *(uint32_t*)0x20000d04 = 0;
  *(uint32_t*)0x20000d08 = 0;
  *(uint32_t*)0x20000d0c = 0;
  *(uint32_t*)0x20000d10 = 0;
  *(uint32_t*)0x20000d14 = 0;
  *(uint32_t*)0x20000d18 = 0;
  *(uint32_t*)0x20000d1c = 0;
  *(uint32_t*)0x20000d20 = 0;
  *(uint32_t*)0x20000d24 = 0;
  *(uint32_t*)0x20000d28 = 0;
  *(uint32_t*)0x20000d2c = 0;
  *(uint32_t*)0x20000d30 = 0;
  *(uint32_t*)0x20000d34 = 0;
  *(uint32_t*)0x20000d38 = 0;
  *(uint32_t*)0x20000d3c = 0;
  *(uint32_t*)0x20000d40 = 0;
  *(uint32_t*)0x20000d44 = 0;
  *(uint32_t*)0x20000d48 = 0;
  *(uint32_t*)0x20000d4c = 0;
  *(uint32_t*)0x20000d50 = 0;
  *(uint32_t*)0x20000d54 = 0;
  *(uint32_t*)0x20000d58 = 0;
  *(uint32_t*)0x20000d5c = 0;
  *(uint32_t*)0x20000d60 = 0;
  *(uint32_t*)0x20000d64 = 0;
  *(uint32_t*)0x20000d68 = 0;
  *(uint32_t*)0x20000d6c = 0;
  *(uint32_t*)0x20000d70 = 0;
  *(uint32_t*)0x20000d74 = 0;
  *(uint32_t*)0x20000d78 = 0;
  *(uint32_t*)0x20000d7c = 0;
  *(uint32_t*)0x20000d80 = 0;
  *(uint32_t*)0x20000d84 = 0;
  *(uint32_t*)0x20000d88 = 0;
  *(uint32_t*)0x20000d8c = 0;
  *(uint32_t*)0x20000d90 = 0;
  *(uint32_t*)0x20000d94 = 0;
  *(uint32_t*)0x20000d98 = 0x80000001;
  *(uint32_t*)0x20000d9c = 0;
  *(uint32_t*)0x20000da0 = 0;
  *(uint32_t*)0x20000da4 = 0;
  *(uint32_t*)0x20000da8 = 0;
  *(uint32_t*)0x20000dac = 0;
  *(uint32_t*)0x20000db0 = 0;
  *(uint32_t*)0x20000db4 = 0;
  *(uint32_t*)0x20000db8 = 0;
  *(uint32_t*)0x20000dbc = 0;
  *(uint32_t*)0x20000dc0 = 0;
  *(uint32_t*)0x20000dc4 = 0;
  *(uint32_t*)0x20000dc8 = 0;
  *(uint32_t*)0x20000dcc = 0;
  *(uint32_t*)0x20000dd0 = 0;
  *(uint32_t*)0x20000dd4 = 0;
  *(uint32_t*)0x20000dd8 = 0;
  *(uint32_t*)0x20000ddc = 0;
  *(uint32_t*)0x20000de0 = 0;
  *(uint32_t*)0x20000de4 = 0;
  *(uint32_t*)0x20000de8 = 0;
  *(uint32_t*)0x20000dec = 0;
  *(uint32_t*)0x20000df0 = 0;
  *(uint32_t*)0x20000df4 = 0;
  *(uint32_t*)0x20000df8 = 0;
  *(uint32_t*)0x20000dfc = 0;
  *(uint32_t*)0x20000e00 = 0;
  *(uint32_t*)0x20000e04 = 0;
  *(uint32_t*)0x20000e08 = 0;
  *(uint32_t*)0x20000e0c = 0;
  *(uint32_t*)0x20000e10 = 0;
  *(uint32_t*)0x20000e14 = 0;
  *(uint32_t*)0x20000e18 = 0;
  *(uint32_t*)0x20000e1c = 0;
  *(uint32_t*)0x20000e20 = 0;
  *(uint32_t*)0x20000e24 = 0;
  *(uint32_t*)0x20000e28 = 0;
  *(uint32_t*)0x20000e2c = 0;
  *(uint32_t*)0x20000e30 = 0;
  *(uint32_t*)0x20000e34 = 0;
  *(uint32_t*)0x20000e38 = 0;
  *(uint32_t*)0x20000e3c = 0;
  *(uint32_t*)0x20000e40 = 0;
  *(uint32_t*)0x20000e44 = 0;
  *(uint32_t*)0x20000e48 = 0;
  *(uint32_t*)0x20000e4c = 0;
  *(uint32_t*)0x20000e50 = 0;
  *(uint32_t*)0x20000e54 = 0;
  *(uint32_t*)0x20000e58 = 0;
  *(uint32_t*)0x20000e5c = 0;
  *(uint32_t*)0x20000e60 = 0;
  *(uint32_t*)0x20000e64 = 0;
  *(uint32_t*)0x20000e68 = 0;
  *(uint32_t*)0x20000e6c = 0;
  *(uint32_t*)0x20000e70 = 0;
  *(uint32_t*)0x20000e74 = 0;
  *(uint32_t*)0x20000e78 = 0;
  *(uint32_t*)0x20000e7c = 0;
  *(uint32_t*)0x20000e80 = 0;
  *(uint32_t*)0x20000e84 = 0;
  *(uint32_t*)0x20000e88 = 0;
  *(uint32_t*)0x20000e8c = 0;
  *(uint32_t*)0x20000e90 = 0;
  *(uint32_t*)0x20000e94 = 0;
  *(uint32_t*)0x20000e98 = 0;
  *(uint32_t*)0x20000e9c = 0;
  *(uint32_t*)0x20000ea0 = 0;
  *(uint32_t*)0x20000ea4 = 0;
  *(uint32_t*)0x20000ea8 = 0;
  *(uint32_t*)0x20000eac = 0;
  *(uint32_t*)0x20000eb0 = 0;
  *(uint32_t*)0x20000eb4 = 0;
  *(uint32_t*)0x20000eb8 = 0;
  *(uint32_t*)0x20000ebc = 0;
  *(uint32_t*)0x20000ec0 = 0;
  *(uint32_t*)0x20000ec4 = 0;
  *(uint32_t*)0x20000ec8 = 0;
  *(uint32_t*)0x20000ecc = 0;
  *(uint32_t*)0x20000ed0 = 0;
  *(uint32_t*)0x20000ed4 = 0;
  *(uint32_t*)0x20000ed8 = 0;
  *(uint32_t*)0x20000edc = 0;
  *(uint32_t*)0x20000ee0 = 0;
  *(uint32_t*)0x20000ee4 = 0;
  *(uint32_t*)0x20000ee8 = 0;
  *(uint32_t*)0x20000eec = 0;
  *(uint32_t*)0x20000ef0 = 0;
  *(uint32_t*)0x20000ef4 = 0;
  *(uint32_t*)0x20000ef8 = 0;
  *(uint32_t*)0x20000efc = 0;
  *(uint32_t*)0x20000f00 = 0;
  *(uint32_t*)0x20000f04 = 0;
  *(uint32_t*)0x20000f08 = 0;
  *(uint32_t*)0x20000f0c = 0;
  *(uint32_t*)0x20000f10 = 0;
  *(uint32_t*)0x20000f14 = 0;
  *(uint32_t*)0x20000f18 = 0;
  *(uint32_t*)0x20000f1c = 0;
  *(uint32_t*)0x20000f20 = 0;
  *(uint32_t*)0x20000f24 = 0;
  *(uint32_t*)0x20000f28 = 0;
  *(uint32_t*)0x20000f2c = 0;
  *(uint32_t*)0x20000f30 = 0;
  *(uint32_t*)0x20000f34 = 0;
  *(uint32_t*)0x20000f38 = 0;
  *(uint32_t*)0x20000f3c = 0;
  *(uint32_t*)0x20000f40 = 0;
  *(uint32_t*)0x20000f44 = 0;
  *(uint32_t*)0x20000f48 = 0;
  *(uint32_t*)0x20000f4c = 0;
  *(uint32_t*)0x20000f50 = 0;
  *(uint32_t*)0x20000f54 = 0;
  *(uint32_t*)0x20000f58 = 0;
  *(uint32_t*)0x20000f5c = 0;
  *(uint32_t*)0x20000f60 = 0;
  *(uint32_t*)0x20000f64 = 0;
  *(uint32_t*)0x20000f68 = 0;
  *(uint32_t*)0x20000f6c = 0;
  *(uint32_t*)0x20000f70 = 0;
  *(uint32_t*)0x20000f74 = 0;
  *(uint32_t*)0x20000f78 = 0;
  *(uint32_t*)0x20000f7c = 0;
  *(uint32_t*)0x20000f80 = 0;
  *(uint32_t*)0x20000f84 = 0;
  *(uint32_t*)0x20000f88 = 0;
  *(uint32_t*)0x20000f8c = 0;
  *(uint32_t*)0x20000f90 = 0;
  *(uint32_t*)0x20000f94 = 0;
  *(uint32_t*)0x20000f98 = 0;
  *(uint32_t*)0x20000f9c = 0;
  *(uint32_t*)0x20000fa0 = 0;
  *(uint32_t*)0x20000fa4 = 0;
  *(uint32_t*)0x20000fa8 = 0;
  *(uint32_t*)0x20000fac = 0;
  *(uint32_t*)0x20000fb0 = 0;
  *(uint32_t*)0x20000fb4 = 0;
  *(uint32_t*)0x20000fb8 = 0;
  *(uint32_t*)0x20000fbc = 0;
  *(uint32_t*)0x20000fc0 = 0;
  *(uint32_t*)0x20000fc4 = 0;
  *(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 = 0;
  *(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;
  *(uint32_t*)0x20001028 = 0;
  *(uint32_t*)0x2000102c = 0;
  *(uint32_t*)0x20001030 = 0;
  *(uint32_t*)0x20001034 = 0;
  *(uint32_t*)0x20001038 = 0;
  *(uint32_t*)0x2000103c = 0;
  *(uint32_t*)0x20001040 = 0;
  *(uint32_t*)0x20001044 = 0;
  *(uint32_t*)0x20001048 = 0;
  *(uint32_t*)0x2000104c = 0;
  *(uint32_t*)0x20001050 = 0;
  *(uint32_t*)0x20001054 = 0;
  *(uint32_t*)0x20001058 = 0;
  *(uint32_t*)0x2000105c = 0;
  *(uint32_t*)0x20001060 = 0;
  *(uint32_t*)0x20001064 = 0;
  *(uint32_t*)0x20001068 = 0;
  *(uint32_t*)0x2000106c = 0;
  *(uint32_t*)0x20001070 = 0;
  *(uint32_t*)0x20001074 = 0;
  *(uint32_t*)0x20001078 = 0;
  *(uint32_t*)0x2000107c = 0;
  *(uint32_t*)0x20001080 = 0;
  *(uint32_t*)0x20001084 = 0;
  *(uint32_t*)0x20001088 = 0;
  *(uint32_t*)0x2000108c = 0;
  *(uint32_t*)0x20001090 = 0;
  *(uint32_t*)0x20001094 = 0;
  *(uint32_t*)0x20001098 = 0;
  *(uint32_t*)0x2000109c = 0;
  *(uint32_t*)0x200010a0 = 0;
  *(uint32_t*)0x200010a4 = 0;
  *(uint32_t*)0x200010a8 = 0;
  *(uint32_t*)0x200010ac = 0;
  *(uint32_t*)0x200010b0 = 0;
  *(uint32_t*)0x200010b4 = 0;
  *(uint32_t*)0x200010b8 = 0;
  *(uint32_t*)0x200010bc = 0;
  *(uint32_t*)0x200010c0 = 0;
  *(uint32_t*)0x200010c4 = 0;
  *(uint32_t*)0x200010c8 = 0;
  *(uint32_t*)0x200010cc = 0;
  *(uint32_t*)0x200010d0 = 0;
  *(uint32_t*)0x200010d4 = 0;
  *(uint32_t*)0x200010d8 = 0;
  syscall(__NR_write, /*fd=*/(intptr_t)r[0], /*data=*/0x20000c80,
          /*len=*/0x45c);
  syscall(__NR_ioctl, /*fd=*/(intptr_t)r[0], /*cmd=*/0x40045564, /*arg=*/3);
  syscall(__NR_ioctl, /*fd=*/(intptr_t)r[0], /*cmd=*/0x5501, 0);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000, /*len=*/0x1000, /*prot=*/0,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32, /*fd=*/-1,
          /*offset=*/0);
  syscall(__NR_mmap, /*addr=*/0x20000000, /*len=*/0x1000000,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32, /*fd=*/-1,
          /*offset=*/0);
  syscall(__NR_mmap, /*addr=*/0x21000000, /*len=*/0x1000, /*prot=*/0,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32, /*fd=*/-1,
          /*offset=*/0);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}