syzkaller-repros/linux/1fd1d44caf96ca464e1c1f19299d1f3e7558f6e5.c

// general protection fault in scatterwalk_copychunks (2)
// https://syzkaller.appspot.com/bug?id=1fd1d44caf96ca464e1c1f19299d1f3e7558f6e5
// status:fixed
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <sys/syscall.h>
#include <unistd.h>

#include <stdint.h>
#include <string.h>

static void test();

void loop()
{
  while (1) {
    test();
  }
}

long r[2];
void test()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000ul, 0xfff000ul, 0x3ul, 0x32ul,
          0xfffffffffffffffful, 0x0ul);
  r[0] = syscall(__NR_socket, 0x26ul, 0x5ul, 0x0ul);
  *(uint16_t*)0x20f74000 = (uint16_t)0x26;
  memcpy((void*)0x20f74002,
         "\x61\x65\x61\x64\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         14);
  *(uint32_t*)0x20f74010 = (uint32_t)0xffffffffffffffff;
  *(uint32_t*)0x20f74014 = (uint32_t)0x0;
  memcpy((void*)0x20f74018,
         "\x72\x66\x63\x37\x35\x33\x39\x28\x63\x68\x61\x63\x68\x61\x32"
         "\x30\x2d\x67\x65\x6e\x65\x72\x69\x63\x2c\x73\x6d\x33\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\x00",
         64);
  syscall(__NR_bind, r[0], 0x20f74000ul, 0x58ul);
  memcpy((void*)0x206d5000, "\x0a\x07\x75\xb7\xca\xe3\x83\xe5\xb3\xb6"
                            "\xad\xed\x5c\x54\xd6\x29\x5d\xf0\xdf\x82"
                            "\x18\x0c\x0d\xeb\x00\x00\x1f\x08\x00\x00"
                            "\x02\xff",
         32);
  syscall(__NR_setsockopt, r[0], 0x117ul, 0x1ul, 0x206d5000ul, 0x20ul);
  r[1] = syscall(__NR_accept, r[0], 0x0ul, 0x0ul);
  *(uint64_t*)0x20f74fc8 = (uint64_t)0x0;
  *(uint32_t*)0x20f74fd0 = (uint32_t)0x0;
  *(uint64_t*)0x20f74fd8 = (uint64_t)0x20f74000;
  *(uint64_t*)0x20f74fe0 = (uint64_t)0x1;
  *(uint64_t*)0x20f74fe8 = (uint64_t)0x207e0000;
  *(uint64_t*)0x20f74ff0 = (uint64_t)0x18;
  *(uint32_t*)0x20f74ff8 = (uint32_t)0x0;
  *(uint64_t*)0x20f74000 = (uint64_t)0x2004b000;
  *(uint64_t*)0x20f74008 = (uint64_t)0x0;
  *(uint64_t*)0x207e0000 = (uint64_t)0x18;
  *(uint32_t*)0x207e0008 = (uint32_t)0x117;
  *(uint32_t*)0x207e000c = (uint32_t)0x3;
  *(uint32_t*)0x207e0010 = (uint32_t)0x1;
  syscall(__NR_sendmsg, r[1], 0x20f74fc8ul, 0x0ul);
  *(uint64_t*)0x20c0c000 = (uint64_t)0x20f76000;
  *(uint32_t*)0x20c0c008 = (uint32_t)0x80;
  *(uint64_t*)0x20c0c010 = (uint64_t)0x20b10000;
  *(uint64_t*)0x20c0c018 = (uint64_t)0x1;
  *(uint64_t*)0x20c0c020 = (uint64_t)0x20381000;
  *(uint64_t*)0x20c0c028 = (uint64_t)0x0;
  *(uint32_t*)0x20c0c030 = (uint32_t)0x0;
  *(uint64_t*)0x20b10000 = (uint64_t)0x20d25f96;
  *(uint64_t*)0x20b10008 = (uint64_t)0x40;
  syscall(__NR_recvmsg, r[1], 0x20c0c000ul, 0x0ul);
}

int main()
{
  loop();
  return 0;
}