// https://syzkaller.appspot.com/bug?id=2f2c5d278a441ac0c09a2ecfa5f8be11688d5f1f
// 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/mount.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

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

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000,
          /*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=*/0x1000, /*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)) {
  }
  //  mkdirat arguments: [
  //    fd: fd_dir (resource)
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 64 65 76 00} (length 0x6)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x200000000140, "./dev\000", 6);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000000140ul,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/
      0x1fful);
  //  mount arguments: [
  //    src: nil
  //    dst: ptr[in, buffer] {
  //      buffer: {2e 2f 64 65 76 00} (length 0x6)
  //    }
  //    type: ptr[in, buffer] {
  //      buffer: {64 65 76 74 6d 70 66 73 00} (length 0x9)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    data: nil
  //  ]
  memcpy((void*)0x200000000180, "./dev\000", 6);
  memcpy((void*)0x2000000001c0, "devtmpfs\000", 9);
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x200000000180ul,
          /*type=*/0x2000000001c0ul, /*flags=*/0ul, /*data=*/0ul);
  //  mkdirat arguments: [
  //    fd: fd_dir (resource)
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 6d 6e 74 00} (length 0x6)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x200000000200, "./mnt\000", 6);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000000200ul,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/
      0x1fful);
  //  mount arguments: [
  //    src: ptr[in, blockdev_filename] {
  //      union blockdev_filename {
  //        filename: buffer: {2e 2f 64 65 76 2f 73 64 61 31 00} (length 0xb)
  //      }
  //    }
  //    dst: ptr[in, buffer] {
  //      buffer: {2e 2f 6d 6e 74 00} (length 0x6)
  //    }
  //    type: ptr[in, buffer] {
  //      buffer: {65 78 74 34 00} (length 0x5)
  //    }
  //    flags: mount_flags = 0x8410 (8 bytes)
  //    data: nil
  //  ]
  memcpy((void*)0x200000000240, "./dev/sda1\000", 11);
  memcpy((void*)0x200000000300, "./mnt\000", 6);
  memcpy((void*)0x200000000340, "ext4\000", 5);
  syscall(__NR_mount, /*src=*/0x200000000240ul, /*dst=*/0x200000000300ul,
          /*type=*/0x200000000340ul,
          /*flags=MS_SYNCHRONOUS|MS_SILENT|MS_NOATIME*/ 0x8410ul, /*data=*/0ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 6d 6e 74 00} (length 0x6)
  //    }
  //    flags: open_flags = 0x438001 (4 bytes)
  //    mode: open_mode = 0x10 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000380, "./mnt\000", 6);
  res =
      syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000380ul,
              /*flags=__O_TMPFILE|O_NOFOLLOW|O_LARGEFILE|O_DIRECTORY|O_WRONLY*/
              0x438001, /*mode=S_IWGRP*/ 0x10);
  if (res != -1)
    r[0] = res;
  //  ioctl$FS_IOC_SETFLAGS arguments: [
  //    fd: fd (resource)
  //    cmd: const = 0x40086602 (4 bytes)
  //    arg: ptr[in, fs_flags] {
  //      fs_flags = 0x4091 (4 bytes)
  //    }
  //  ]
  *(uint32_t*)0x2000000003c0 = 0x4091;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40086602,
          /*arg=*/0x2000000003c0ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 6d 6e 74 00} (length 0x6)
  //    }
  //    flags: open_flags = 0x0 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000480, "./mnt\000", 6);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000480ul,
                /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[1] = res;
  //  ioctl$EXT4_IOC_CHECKPOINT arguments: [
  //    fd: fd (resource)
  //    cmd: const = 0x4004662b (4 bytes)
  //    arg: ptr[in, ext4_checkpoint_flags] {
  //      ext4_checkpoint_flags = 0x2 (4 bytes)
  //    }
  //  ]
  *(uint32_t*)0x2000000001c0 = 2;
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x4004662b,
          /*arg=*/0x2000000001c0ul);
  return 0;
}