// https://syzkaller.appspot.com/bug?id=44fa54548362cb84e26da7c1bbd356c86c54f36d
// autogenerated by syzkaller (http://github.com/google/syzkaller)

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

__attribute__((noreturn)) static void doexit(int status)
{
  volatile unsigned i;
  syscall(__NR_exit_group, status);
  for (i = 0;; i++) {
  }
}
#include <setjmp.h>
#include <signal.h>
#include <stdint.h>
#include <string.h>
#include <string.h>

static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* uctx)
{
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
      (addr < prog_start || addr > prog_end)) {
    _longjmp(segv_env, 1);
  }
  doexit(sig);
}

static void install_segv_handler()
{
  struct sigaction sa;

  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);

  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  {                                                                            \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    }                                                                          \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
  }

uint64_t r[1] = {0xffffffffffffffff};
void loop()
{
  long res = 0;
  res = syscall(__NR_socket, 0xa, 2, 0);
  if (res != -1)
    r[0] = res;
  NONFAILING(*(uint64_t*)0x20000200 = htobe64(0));
  NONFAILING(*(uint64_t*)0x20000208 = htobe64(1));
  NONFAILING(*(uint32_t*)0x20000210 = htobe32(0xe0000002));
  NONFAILING(*(uint16_t*)0x20000220 = htobe16(0));
  NONFAILING(*(uint16_t*)0x20000222 = htobe16(0));
  NONFAILING(*(uint16_t*)0x20000224 = htobe16(0));
  NONFAILING(*(uint16_t*)0x20000226 = htobe16(1));
  NONFAILING(*(uint16_t*)0x20000228 = 2);
  NONFAILING(*(uint8_t*)0x2000022a = 0);
  NONFAILING(*(uint8_t*)0x2000022b = 0);
  NONFAILING(*(uint8_t*)0x2000022c = 0);
  NONFAILING(*(uint32_t*)0x20000230 = 0);
  NONFAILING(*(uint32_t*)0x20000234 = 0);
  NONFAILING(*(uint64_t*)0x20000238 = 0);
  NONFAILING(*(uint64_t*)0x20000240 = 0);
  NONFAILING(*(uint64_t*)0x20000248 = 0);
  NONFAILING(*(uint64_t*)0x20000250 = 0);
  NONFAILING(*(uint64_t*)0x20000258 = 0);
  NONFAILING(*(uint64_t*)0x20000260 = 0);
  NONFAILING(*(uint64_t*)0x20000268 = 0);
  NONFAILING(*(uint64_t*)0x20000270 = 0);
  NONFAILING(*(uint64_t*)0x20000278 = 0);
  NONFAILING(*(uint64_t*)0x20000280 = 0x400000000);
  NONFAILING(*(uint64_t*)0x20000288 = 0);
  NONFAILING(*(uint64_t*)0x20000290 = 0);
  NONFAILING(*(uint32_t*)0x20000298 = 0);
  NONFAILING(*(uint32_t*)0x2000029c = 0);
  NONFAILING(*(uint8_t*)0x200002a0 = 1);
  NONFAILING(*(uint8_t*)0x200002a1 = 0);
  NONFAILING(*(uint8_t*)0x200002a2 = 0);
  NONFAILING(*(uint8_t*)0x200002a3 = 3);
  NONFAILING(*(uint8_t*)0x200002a8 = 0xfe);
  NONFAILING(*(uint8_t*)0x200002a9 = 0x80);
  NONFAILING(*(uint8_t*)0x200002aa = 0);
  NONFAILING(*(uint8_t*)0x200002ab = 0);
  NONFAILING(*(uint8_t*)0x200002ac = 0);
  NONFAILING(*(uint8_t*)0x200002ad = 0);
  NONFAILING(*(uint8_t*)0x200002ae = 0);
  NONFAILING(*(uint8_t*)0x200002af = 0);
  NONFAILING(*(uint8_t*)0x200002b0 = 0);
  NONFAILING(*(uint8_t*)0x200002b1 = 0);
  NONFAILING(*(uint8_t*)0x200002b2 = 0);
  NONFAILING(*(uint8_t*)0x200002b3 = 0);
  NONFAILING(*(uint8_t*)0x200002b4 = 0);
  NONFAILING(*(uint8_t*)0x200002b5 = 0);
  NONFAILING(*(uint8_t*)0x200002b6 = 0);
  NONFAILING(*(uint8_t*)0x200002b7 = 0xaa);
  NONFAILING(*(uint32_t*)0x200002b8 = htobe32(0));
  NONFAILING(*(uint8_t*)0x200002bc = 0x2b);
  NONFAILING(*(uint16_t*)0x200002c0 = 0xa);
  NONFAILING(*(uint8_t*)0x200002c4 = 0);
  NONFAILING(*(uint8_t*)0x200002c5 = 0);
  NONFAILING(*(uint8_t*)0x200002c6 = 0);
  NONFAILING(*(uint8_t*)0x200002c7 = 0);
  NONFAILING(*(uint8_t*)0x200002c8 = 0);
  NONFAILING(*(uint8_t*)0x200002c9 = 0);
  NONFAILING(*(uint8_t*)0x200002ca = 0);
  NONFAILING(*(uint8_t*)0x200002cb = 0);
  NONFAILING(*(uint8_t*)0x200002cc = 0);
  NONFAILING(*(uint8_t*)0x200002cd = 0);
  NONFAILING(*(uint8_t*)0x200002ce = 0);
  NONFAILING(*(uint8_t*)0x200002cf = 0);
  NONFAILING(*(uint8_t*)0x200002d0 = 0);
  NONFAILING(*(uint8_t*)0x200002d1 = 0);
  NONFAILING(*(uint8_t*)0x200002d2 = 0);
  NONFAILING(*(uint8_t*)0x200002d3 = 0);
  NONFAILING(*(uint32_t*)0x200002d4 = 0);
  NONFAILING(*(uint8_t*)0x200002d8 = 6);
  NONFAILING(*(uint8_t*)0x200002d9 = 1);
  NONFAILING(*(uint8_t*)0x200002da = 0);
  NONFAILING(*(uint32_t*)0x200002dc = 0);
  NONFAILING(*(uint32_t*)0x200002e0 = 0);
  NONFAILING(*(uint32_t*)0x200002e4 = 0);
  syscall(__NR_setsockopt, r[0], 0x29, 0x23, 0x20000200, 0xe8);
  NONFAILING(*(uint64_t*)0x20002000 = 0x20000100);
  NONFAILING(*(uint16_t*)0x20000100 = 2);
  NONFAILING(*(uint16_t*)0x20000102 = htobe16(0xc67a));
  NONFAILING(*(uint32_t*)0x20000104 = htobe32(0));
  NONFAILING(*(uint8_t*)0x20000108 = 0);
  NONFAILING(*(uint8_t*)0x20000109 = 0);
  NONFAILING(*(uint8_t*)0x2000010a = 0);
  NONFAILING(*(uint8_t*)0x2000010b = 0);
  NONFAILING(*(uint8_t*)0x2000010c = 0);
  NONFAILING(*(uint8_t*)0x2000010d = 0);
  NONFAILING(*(uint8_t*)0x2000010e = 0);
  NONFAILING(*(uint8_t*)0x2000010f = 0);
  NONFAILING(*(uint32_t*)0x20002008 = 0x80);
  NONFAILING(*(uint64_t*)0x20002010 = 0x20000240);
  NONFAILING(*(uint64_t*)0x20002018 = 0);
  NONFAILING(*(uint64_t*)0x20002020 = 0x20000280);
  NONFAILING(*(uint64_t*)0x20002028 = 0);
  NONFAILING(*(uint32_t*)0x20002030 = 0);
  NONFAILING(*(uint32_t*)0x20002038 = 0);
  syscall(__NR_sendmmsg, r[0], 0x20002000, 1, 0);
}

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