syzkaller-repros/linux/7b2aa6e2863f04d9d634332be08848742266a4e8.c

// general protection fault in rds_sendmsg
// https://syzkaller.appspot.com/bug?id=7b2aa6e2863f04d9d634332be08848742266a4e8
// 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>

long r[1];
void loop()
{
  memset(r, -1, sizeof(r));
  r[0] = syscall(__NR_socket, 0x15, 5, 0);
  *(uint16_t*)0x2001bff0 = 2;
  *(uint16_t*)0x2001bff2 = 0;
  *(uint32_t*)0x2001bff4 = htobe32(0x7f000001);
  *(uint8_t*)0x2001bff8 = 0;
  *(uint8_t*)0x2001bff9 = 0;
  *(uint8_t*)0x2001bffa = 0;
  *(uint8_t*)0x2001bffb = 0;
  *(uint8_t*)0x2001bffc = 0;
  *(uint8_t*)0x2001bffd = 0;
  *(uint8_t*)0x2001bffe = 0;
  *(uint8_t*)0x2001bfff = 0;
  syscall(__NR_bind, r[0], 0x2001bff0, 0x10);
  *(uint16_t*)0x20024ff0 = 2;
  *(uint16_t*)0x20024ff2 = 0;
  *(uint32_t*)0x20024ff4 = htobe32(0x7f000001);
  *(uint8_t*)0x20024ff8 = 0;
  *(uint8_t*)0x20024ff9 = 0;
  *(uint8_t*)0x20024ffa = 0;
  *(uint8_t*)0x20024ffb = 0;
  *(uint8_t*)0x20024ffc = 0;
  *(uint8_t*)0x20024ffd = 0;
  *(uint8_t*)0x20024ffe = 0;
  *(uint8_t*)0x20024fff = 0;
  syscall(__NR_connect, r[0], 0x20024ff0, 0x10);
  *(uint64_t*)0x20000300 = 0;
  *(uint32_t*)0x20000308 = 0;
  *(uint64_t*)0x20000310 = 0x20000000;
  *(uint64_t*)0x20000318 = 0;
  *(uint64_t*)0x20000320 = 0x200002c0;
  *(uint64_t*)0x200002c0 = 0x20;
  *(uint32_t*)0x200002c8 = 0x114;
  *(uint32_t*)0x200002cc = 0xc;
  memcpy((void*)0x200002d0,
         "\xab\x97\x1c\x3f\x1a\x01\xa3\xbd\xa4\xa1\x03\x1d\x3d\x93", 14);
  *(uint64_t*)0x20000328 = 0x20;
  *(uint32_t*)0x20000330 = 0;
  syscall(__NR_sendmsg, r[0], 0x20000300, 0);
}

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