// https://syzkaller.appspot.com/bug?id=2b9b325bd47fe9eb7c077754256bb4fbdf4ba740
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#ifndef __NR_futex
#define __NR_futex 98
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*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=*/0x21000000ul, /*len=*/0x1000ul, /*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)) {
  }
  //  futex arguments: [
  //    addr: nil
  //    op: futex_op = 0x8b (8 bytes)
  //    val: int32 = 0x2 (4 bytes)
  //    timeout: nil
  //    addr2: ptr[in, int32] {
  //      int32 = 0x2 (4 bytes)
  //    }
  //    val3: int32 = 0x2 (4 bytes)
  //  ]
  *(uint32_t*)0x20000540 = 2;
  syscall(__NR_futex, /*addr=*/0ul,
          /*op=FUTEX_PRIVATE_FLAG|FUTEX_WAIT_REQUEUE_PI*/ 0x8bul, /*val=*/2,
          /*timeout=*/0ul, /*addr2=*/0x20000540ul, /*val3=*/2);
  return 0;
}