syzkaller-repros/linux/b835ac956e667010cfb547a0fbb5739530d7617e.c

// KMSAN: uninit-value in gf128mul_init_4k_lle
// https://syzkaller.appspot.com/bug?id=b835ac956e667010cfb547a0fbb5739530d7617e
// status:invalid
// 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] = {0xffffffffffffffff};
void loop()
{
  long res = 0;
  res = syscall(__NR_socket, 0x26, 5, 0);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x201ca000 = 0x26;
  memcpy((void*)0x201ca002,
         "\x61\x65\x61\x64\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 14);
  *(uint32_t*)0x201ca010 = 0;
  *(uint32_t*)0x201ca014 = 0;
  memcpy((void*)0x201ca018,
         "\x67\x63\x6d\x5f\x62\x61\x73\x65\x28\x63\x74\x72\x28\x61\x65\x73\x2d"
         "\x61\x65\x73\x6e\x69\x29\x2c\x67\x68\x61\x73\x68\x2d\x67\x65\x6e\x65"
         "\x72\x69\x63\x29\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         64);
  syscall(__NR_bind, r[0], 0x201ca000, 0x58);
  memcpy((void*)0x204f7000,
         "\x64\x9c\x47\xad\x46\x39\x0d\x00\x6d\xc8\x00\x00\x00\x9d\x4d\x54",
         16);
  syscall(__NR_setsockopt, r[0], 0x117, 1, 0x204f7000, 0x10);
}

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