// https://syzkaller.appspot.com/bug?id=918838181d699471bf7841a59d08dd092aad485d
// 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>

uint64_t r[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*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=*/0x200001000000ul, /*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)) {
  }
  //  openat$auto_proc_reg_file_ops_compat_inode arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2f 70 72 6f 63 2f 74 68 72 65 61 64 2d 73 65 6c 66 2f 6e 65
  //      74 2f 72 70 63 2f 6e 66 73 64 2e 65 78 70 6f 72 74 2f 63 6f 6e 74 65
  //      6e 74 00} (length 0x2e)
  //    }
  //    flags: open_flags = 0x40080 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd_proc_reg_file_ops_compat_inode
  memcpy((void*)0x2000000003c0,
         "/proc/thread-self/net/rpc/nfsd.export/content\000", 46);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul,
                /*file=*/0x2000000003c0ul, /*flags=O_NOATIME|O_EXCL*/ 0x40080,
                /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  pread64$auto arguments: [
  //    fd: fd (resource)
  //    buf: nil
  //    count: intptr = 0x566 (8 bytes)
  //    pos: intptr = 0x80000002 (8 bytes)
  //  ]
  syscall(__NR_pread64, /*fd=*/r[0], /*buf=*/0ul, /*count=*/0x566ul,
          /*pos=*/0x80000002ul);
  for (int i = 0; i < 64; i++) {
    syscall(__NR_pread64, /*fd=*/r[0], /*buf=*/0ul, /*count=*/0x566ul,
            /*pos=*/0x80000002ul);
  }
  return 0;
}