// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

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

uint64_t r[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  openat$nullb arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 6e 75 6c 6c 62 30 00} (length 0xc)
  //    }
  //    flags: open_flags = 0x4000000004182 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd_block
  memcpy((void*)0x200000000080, "/dev/nullb0\000", 12);
  syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000080ul,
          /*flags=O_NOCTTY|O_EXCL|O_DIRECT|O_RDWR*/ 0x4182, /*mode=*/0);
  //  mknodat$loop arguments: [
  //    dirfd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 32 00} (length 0x8)
  //    }
  //    mode: mknod_mode = 0x6000 (8 bytes)
  //    dev: proc = 0x0 (4 bytes)
  //  ]
  memcpy((void*)0x200000000180, "./file2\000", 8);
  syscall(__NR_mknodat, /*dirfd=*/0xffffff9c, /*file=*/0x200000000180ul,
          /*mode=S_IFBLK*/ 0x6000ul, /*dev=*/0x700);
  //  open arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 32 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x1 (8 bytes)
  //    mode: open_mode = 0x104 (8 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000040, "./file2\000", 8);
  res = syscall(__NR_open, /*file=*/0x200000000040ul, /*flags=O_WRONLY*/ 1ul,
                /*mode=S_IROTH|S_IRUSR*/ 0x104ul);
  if (res != -1)
    r[0] = res;
  //  ioctl$BTRFS_IOC_DEFRAG arguments: [
  //    fd: fd (resource)
  //    cmd: const = 0x4c00 (4 bytes)
  //    arg: const = 0x3 (8 bytes)
  //  ]
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x4c00, /*arg=*/3ul);
  return 0;
}