// https://syzkaller.appspot.com/bug?id=14ea6e604fd236dc221634f0cb7c7bd4504e21f1
// 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_madvise
#define __NR_madvise 233
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif
#ifndef __NR_seccomp
#define __NR_seccomp 277
#endif

uint64_t r[1] = {0xffffffffffffffff};

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;
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x200000c0, "/dev/zero\000", 10);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000c0ul,
                /*flags=O_CLOEXEC|O_RDWR*/ 0x80002, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x200000ul,
          /*prot=PROT_GROWSDOWN|PROT_SEM|PROT_WRITE|PROT_EXEC*/ 0x100000eul,
          /*flags=MAP_FIXED|MAP_PRIVATE*/ 0x12ul, /*fd=*/r[0],
          /*offset=*/0x343e2000ul);
  *(uint16_t*)0x20000240 = 0;
  *(uint64_t*)0x20000248 = 0;
  syscall(__NR_seccomp, /*op=*/1ul, /*flags=*/7ul, /*arg=*/0x20000240ul);
  syscall(__NR_madvise, /*addr=*/0x20000000ul, /*len=*/0xc00000ul,
          /*advice=MADV_COLLAPSE*/ 0x19ul);
  return 0;
}