// https://syzkaller.appspot.com/bug?id=15f96d171c64999196ac7db3de107f24b9182a8e
// 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;
  if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
      (addr < prog_start || addr > prog_end)) {
    _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(...)                                                        \
  {                                                                            \
    __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};

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, 0x14);
  if (res != -1)
    r[0] = res;
  NONFAILING(*(uint64_t*)0x20000200 = 0);
  NONFAILING(*(uint32_t*)0x20000208 = 0);
  NONFAILING(*(uint64_t*)0x20000210 = 0x20000100);
  NONFAILING(*(uint64_t*)0x20000100 = 0x20000040);
  NONFAILING(*(uint32_t*)0x20000040 = 0x60);
  NONFAILING(*(uint16_t*)0x20000044 = 0x1403);
  NONFAILING(*(uint16_t*)0x20000046 = 1);
  NONFAILING(*(uint32_t*)0x20000048 = 0);
  NONFAILING(*(uint32_t*)0x2000004c = 0);
  NONFAILING(*(uint16_t*)0x20000050 = 9);
  NONFAILING(*(uint16_t*)0x20000052 = 2);
  NONFAILING(memcpy((void*)0x20000054, "syz2\000", 5));
  NONFAILING(*(uint16_t*)0x2000005c = 8);
  NONFAILING(*(uint16_t*)0x2000005e = 0x41);
  NONFAILING(memcpy((void*)0x20000060, "siw\000", 4));
  NONFAILING(*(uint16_t*)0x20000064 = 0x14);
  NONFAILING(*(uint16_t*)0x20000066 = 0x33);
  NONFAILING(
      memcpy((void*)0x20000068, "virt_wifi0\000\000\000\000\000\000", 16));
  NONFAILING(*(uint16_t*)0x20000078 = 9);
  NONFAILING(*(uint16_t*)0x2000007a = 2);
  NONFAILING(memcpy((void*)0x2000007c, "syz0\000", 5));
  NONFAILING(*(uint16_t*)0x20000084 = 8);
  NONFAILING(*(uint16_t*)0x20000086 = 0x41);
  NONFAILING(memcpy((void*)0x20000088, "rxe\000", 4));
  NONFAILING(*(uint16_t*)0x2000008c = 0x14);
  NONFAILING(*(uint16_t*)0x2000008e = 0x33);
  NONFAILING(memcpy((void*)0x20000090,
                    "dummy0\000\000\000\000\000\000\000\000\000\000", 16));
  NONFAILING(*(uint64_t*)0x20000108 = 0x60);
  NONFAILING(*(uint64_t*)0x20000218 = 1);
  NONFAILING(*(uint64_t*)0x20000220 = 0);
  NONFAILING(*(uint64_t*)0x20000228 = 0);
  NONFAILING(*(uint32_t*)0x20000230 = 0);
  syscall(__NR_sendmsg, r[0], 0x20000200ul, 0ul);
  return 0;
}