syzkaller-repros/linux/48ac8459188ca5430fa946d53b6dd293465d969a.c

// WARNING in set_precision
// https://syzkaller.appspot.com/bug?id=48ac8459188ca5430fa946d53b6dd293465d969a
// status:fixed
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <stdint.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>

uint64_t r[1] = {0x0};
void loop()
{
  long res = 0;
  memcpy((void*)0x200002c0, "keyring", 8);
  *(uint8_t*)0x20000200 = 0x73;
  *(uint8_t*)0x20000201 = 0x79;
  *(uint8_t*)0x20000202 = 0x7a;
  *(uint8_t*)0x20000203 = 0;
  *(uint8_t*)0x20000204 = 0;
  res = syscall(__NR_add_key, 0x200002c0, 0x20000200, 0, 0, -1);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20002300, "\x2f\x00\xe5\x00\xa5\x09\x32\x7f\xa4\x4c\xd4\x1f"
                            "\xb5\x4c\x01\x1a\xdf\x23\x1c\xf7\xc2\xd7\x2e\x92"
                            "\xd1\x39\x2b\xe8\x72\x0e\x6f\xb2\x60\x59\xb5\x23",
         36);
  *(uint32_t*)0x20002340 = 1;
  syscall(__NR_getsockopt, -1, 0x84, 0x6c, 0x20002300, 0x20002340);
  memcpy((void*)0x20000100, "dns_resolver", 13);
  *(uint8_t*)0x20000080 = 0x73;
  *(uint8_t*)0x20000081 = 0x79;
  *(uint8_t*)0x20000082 = 0x7a;
  *(uint8_t*)0x20000083 = 0;
  *(uint8_t*)0x20000084 = 0;
  syscall(__NR_add_key, 0x20000100, 0x20000080, 0x20002200, 0xe9da, r[0]);
}

int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  loop();
  return 0;
}