// https://syzkaller.appspot.com/bug?id=121015dd8a362b292ca89d5f5ffbc9cfe184e684
// 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*)0x200000000040, "./dev\000", 6);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000000040ul,
      /*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*)0x200000000080, "./dev\000", 6);
  memcpy((void*)0x2000000000c0, "devtmpfs\000", 9);
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x200000000080ul,
          /*type=*/0x2000000000c0ul, /*flags=*/0ul, /*data=*/0ul);
  //  mkdirat arguments: [
  //    fd: fd_dir (resource)
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 73 79 73 00} (length 0x6)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x200000000000, "./sys\000", 6);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000000000ul,
      /*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 73 79 73 00} (length 0x6)
  //    }
  //    type: ptr[in, buffer] {
  //      buffer: {73 79 73 66 73 00} (length 0x6)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    data: nil
  //  ]
  memcpy((void*)0x200000000040, "./sys\000", 6);
  memcpy((void*)0x200000000080, "sysfs\000", 6);
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x200000000040ul,
          /*type=*/0x200000000080ul, /*flags=*/0ul, /*data=*/0ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 73 79 73 2f 6d 6f 64 75 6c 65 2f 6d 64 5f 6d 6f 64 2f
  //      70 61 72 61 6d 65 74 65 72 73 2f 6e 65 77 5f 61 72 72 61 79 00}
  //      (length 0x29)
  //    }
  //    flags: open_flags = 0x1 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000180, "./sys/module/md_mod/parameters/new_array\000",
         41);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000180ul,
                /*flags=O_WRONLY*/ 1, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {6d 64 30} (length 0x3)
  //    }
  //    count: len = 0x3 (8 bytes)
  //  ]
  memcpy((void*)0x200000000200, "md0", 3);
  syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x200000000200ul, /*count=*/3ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 64 65 76 2f 6d 64 30 00} (length 0xa)
  //    }
  //    flags: open_flags = 0x2 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000240, "./dev/md0\000", 10);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000240ul,
                /*flags=O_RDWR*/ 2, /*mode=*/0);
  if (res != -1)
    r[1] = res;
  //  ioctl arguments: [
  //    fd: fd (resource)
  //    cmd: int32 = 0x40480923 (4 bytes)
  //    arg: ptr[in, buffer] {
  //      buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0a 00 00 00
  //      00 04 00 00 02 00 00 00 02 00 22 00 00 00 00 00 01 00 00 00 00 00 00
  //      00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 01
  //      00 00 00 00 01} (length 0x47)
  //    }
  //  ]
  memcpy(
      (void*)0x200000000300,
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x00"
      "\x00\x00\x00\x04\x00\x00\x02\x00\x00\x00\x02\x00\x22\x00\x00\x00\x00\x00"
      "\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x01\x00\x00\x00\x00\x01",
      71);
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x40480923,
          /*arg=*/0x200000000300ul);
  //  ioctl arguments: [
  //    fd: fd (resource)
  //    cmd: int32 = 0x40140921 (4 bytes)
  //    arg: ptr[in, buffer] {
  //      buffer: {00 00 00 00 01} (length 0x5)
  //    }
  //  ]
  memcpy((void*)0x200000000400, "\x00\x00\x00\x00\x01", 5);
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x40140921,
          /*arg=*/0x200000000400ul);
  //  ioctl arguments: [
  //    fd: fd (resource)
  //    cmd: int32 = 0x400c0930 (4 bytes)
  //    arg: nil
  //  ]
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x400c0930, /*arg=*/0ul);
  return 0;
}