// https://syzkaller.appspot.com/bug?id=a111ebf720ba4099a7a5fa22ca60b9d4068b6822
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <setjmp.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  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(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  install_segv_handler();
  intptr_t res = 0;
  res = syscall(__NR_socket, 0x10ul, 3ul, 6);
  if (res != -1)
    r[0] = res;
  NONFAILING(*(uint64_t*)0x20000240 = 0);
  NONFAILING(*(uint32_t*)0x20000248 = 0);
  NONFAILING(*(uint64_t*)0x20000250 = 0x20000200);
  NONFAILING(*(uint64_t*)0x20000200 = 0x20000280);
  NONFAILING(*(uint32_t*)0x20000280 = 0xb8);
  NONFAILING(*(uint16_t*)0x20000284 = 0x13);
  NONFAILING(*(uint16_t*)0x20000286 = 1);
  NONFAILING(*(uint32_t*)0x20000288 = 0);
  NONFAILING(*(uint32_t*)0x2000028c = 0);
  NONFAILING(*(uint8_t*)0x20000290 = 0xfe);
  NONFAILING(*(uint8_t*)0x20000291 = 0x80);
  NONFAILING(*(uint8_t*)0x20000292 = 0);
  NONFAILING(*(uint8_t*)0x20000293 = 0);
  NONFAILING(*(uint8_t*)0x20000294 = 0);
  NONFAILING(*(uint8_t*)0x20000295 = 0);
  NONFAILING(*(uint8_t*)0x20000296 = 0);
  NONFAILING(*(uint8_t*)0x20000297 = 0);
  NONFAILING(*(uint8_t*)0x20000298 = 0);
  NONFAILING(*(uint8_t*)0x20000299 = 0);
  NONFAILING(*(uint8_t*)0x2000029a = 0);
  NONFAILING(*(uint8_t*)0x2000029b = 0);
  NONFAILING(*(uint8_t*)0x2000029c = 0);
  NONFAILING(*(uint8_t*)0x2000029d = 0);
  NONFAILING(*(uint8_t*)0x2000029e = 0);
  NONFAILING(*(uint8_t*)0x2000029f = 0xbb);
  NONFAILING(*(uint8_t*)0x200002a0 = -1);
  NONFAILING(*(uint8_t*)0x200002a1 = 2);
  NONFAILING(*(uint8_t*)0x200002a2 = 0);
  NONFAILING(*(uint8_t*)0x200002a3 = 0);
  NONFAILING(*(uint8_t*)0x200002a4 = 0);
  NONFAILING(*(uint8_t*)0x200002a5 = 0);
  NONFAILING(*(uint8_t*)0x200002a6 = 0);
  NONFAILING(*(uint8_t*)0x200002a7 = 0);
  NONFAILING(*(uint8_t*)0x200002a8 = 0);
  NONFAILING(*(uint8_t*)0x200002a9 = 0);
  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 = 1);
  NONFAILING(*(uint16_t*)0x200002b0 = htobe16(0));
  NONFAILING(*(uint16_t*)0x200002b2 = htobe16(0));
  NONFAILING(*(uint16_t*)0x200002b4 = htobe16(0));
  NONFAILING(*(uint16_t*)0x200002b6 = htobe16(0));
  NONFAILING(*(uint16_t*)0x200002b8 = 0xa);
  NONFAILING(*(uint8_t*)0x200002ba = 0);
  NONFAILING(*(uint8_t*)0x200002bb = 0);
  NONFAILING(*(uint8_t*)0x200002bc = 0);
  NONFAILING(*(uint32_t*)0x200002c0 = 0);
  NONFAILING(*(uint32_t*)0x200002c4 = 0);
  NONFAILING(*(uint64_t*)0x200002c8 = 0);
  NONFAILING(*(uint64_t*)0x200002d0 = 0);
  NONFAILING(*(uint64_t*)0x200002d8 = 0);
  NONFAILING(*(uint64_t*)0x200002e0 = 0);
  NONFAILING(*(uint64_t*)0x200002e8 = 0);
  NONFAILING(*(uint64_t*)0x200002f0 = 0);
  NONFAILING(*(uint64_t*)0x200002f8 = 0);
  NONFAILING(*(uint64_t*)0x20000300 = 0);
  NONFAILING(*(uint64_t*)0x20000308 = 0);
  NONFAILING(*(uint64_t*)0x20000310 = 0);
  NONFAILING(*(uint64_t*)0x20000318 = 0);
  NONFAILING(*(uint64_t*)0x20000320 = 0);
  NONFAILING(*(uint32_t*)0x20000328 = 0);
  NONFAILING(*(uint32_t*)0x2000032c = 0);
  NONFAILING(*(uint8_t*)0x20000330 = 0);
  NONFAILING(*(uint8_t*)0x20000331 = 0);
  NONFAILING(*(uint8_t*)0x20000332 = 0);
  NONFAILING(*(uint8_t*)0x20000333 = 0);
  NONFAILING(*(uint64_t*)0x20000208 = 0xb8);
  NONFAILING(*(uint64_t*)0x20000258 = 1);
  NONFAILING(*(uint64_t*)0x20000260 = 0);
  NONFAILING(*(uint64_t*)0x20000268 = 0);
  NONFAILING(*(uint32_t*)0x20000270 = 0);
  syscall(__NR_sendmsg, r[0], 0x20000240ul, 0ul);
  res = syscall(__NR_socket, 0xaul, 1ul, 0x84);
  if (res != -1)
    r[1] = res;
  NONFAILING(memcpy((void*)0x20847fff, "X", 1));
  NONFAILING(*(uint16_t*)0x2005ffe4 = 0xa);
  NONFAILING(*(uint16_t*)0x2005ffe6 = htobe16(0x4e23));
  NONFAILING(*(uint32_t*)0x2005ffe8 = htobe32(0));
  NONFAILING(*(uint64_t*)0x2005ffec = htobe64(0));
  NONFAILING(*(uint64_t*)0x2005fff4 = htobe64(1));
  NONFAILING(*(uint32_t*)0x2005fffc = 0);
  syscall(__NR_sendto, r[1], 0x20847ffful, 0x34000ul, 0ul, 0x2005ffe4ul,
          0x1cul);
  return 0;
}