// https://syzkaller.appspot.com/bug?id=e1008d14a97683ac5535976f882577ae8cd04b13
// 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>

#ifndef __NR_fsconfig
#define __NR_fsconfig 431
#endif
#ifndef __NR_fsmount
#define __NR_fsmount 432
#endif
#ifndef __NR_fsopen
#define __NR_fsopen 430
#endif

uint64_t r[3] = {0xffffffffffffffff, 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)) {
  }
  //  mkdir arguments: [
  //    path: ptr[in, buffer] {
  //      buffer: {6d 79 5f 63 6f 6e 66 69 67 66 73 00} (length 0xc)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x200000000100, "my_configfs\000", 12);
  syscall(
      __NR_mkdir, /*path=*/0x200000000100ul,
      /*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: {6d 79 5f 63 6f 6e 66 69 67 66 73 00} (length 0xc)
  //    }
  //    type: ptr[in, buffer] {
  //      buffer: {63 6f 6e 66 69 67 66 73 00} (length 0x9)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    data: nil
  //  ]
  memcpy((void*)0x200000000100, "my_configfs\000", 12);
  memcpy((void*)0x200000000300, "configfs\000", 9);
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x200000000100ul,
          /*type=*/0x200000000300ul, /*flags=*/0ul, /*data=*/0ul);
  //  mkdir arguments: [
  //    path: ptr[in, buffer] {
  //      buffer: {6d 79 5f 63 6f 6e 66 69 67 66 73 2f 75 73 62 5f 67 61 64 67
  //      65 74 2f 67 31 00} (length 0x1a)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x200000000700, "my_configfs/usb_gadget/g1\000", 26);
  syscall(
      __NR_mkdir, /*path=*/0x200000000700ul,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/
      0x1fful);
  //  mkdir arguments: [
  //    path: ptr[in, buffer] {
  //      buffer: {6d 79 5f 63 6f 6e 66 69 67 66 73 2f 75 73 62 5f 67 61 64 67
  //      65 74 2f 67 31 2f 66 75 6e 63 74 69 6f 6e 73 2f 6d 61 73 73 5f 73 74
  //      6f 72 61 67 65 2e 75 73 62 30 00} (length 0x36)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x200000000d00,
         "my_configfs/usb_gadget/g1/functions/mass_storage.usb0\000", 54);
  syscall(
      __NR_mkdir, /*path=*/0x200000000d00ul,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/
      0x1fful);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {6d 79 5f 63 6f 6e 66 69 67 66 73 2f 75 73 62 5f 67 61 64 67
  //      65 74 2f 67 31 2f 66 75 6e 63 74 69 6f 6e 73 2f 6d 61 73 73 5f 73 74
  //      6f 72 61 67 65 2e 75 73 62 30 2f 6c 75 6e 2e 30 2f 66 69 6c 65 00}
  //      (length 0x41)
  //    }
  //    flags: open_flags = 0x1 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000e00,
         "my_configfs/usb_gadget/g1/functions/mass_storage.usb0/lun.0/file\000",
         65);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000e00ul,
                /*flags=O_WRONLY*/ 1, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  fsopen arguments: [
  //    type: ptr[in, buffer] {
  //      buffer: {63 6f 6e 66 69 67 66 73 00} (length 0x9)
  //    }
  //    flags: fsopen_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_fscontext
  memcpy((void*)0x200000000100, "configfs\000", 9);
  res = syscall(__NR_fsopen, /*type=*/0x200000000100ul, /*flags=*/0ul);
  if (res != -1)
    r[1] = res;
  //  fsconfig$FSCONFIG_CMD_CREATE arguments: [
  //    fd: fd_fscontext (resource)
  //    cmd: const = 0x6 (8 bytes)
  //    key: const = 0x0 (8 bytes)
  //    value: const = 0x0 (8 bytes)
  //    aux: const = 0x0 (8 bytes)
  //  ]
  syscall(__NR_fsconfig, /*fd=*/r[1], /*cmd=*/6ul, /*key=*/0ul, /*value=*/0ul,
          /*aux=*/0ul);
  //  fsmount arguments: [
  //    fs_fd: fd_fscontext (resource)
  //    flags: fsmount_flags = 0x0 (8 bytes)
  //    attr_flags: fsmount_attr_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd
  res =
      syscall(__NR_fsmount, /*fs_fd=*/r[1], /*flags=*/0ul, /*attr_flags=*/0ul);
  if (res != -1)
    r[2] = res;
  //  fchdir arguments: [
  //    fd: fd (resource)
  //  ]
  syscall(__NR_fchdir, /*fd=*/r[2]);
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {66 69} (length 0x2)
  //    }
  //    count: len = 0x2 (8 bytes)
  //  ]
  memcpy((void*)0x200000000f00, "fi", 2);
  syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x200000000f00ul, /*count=*/2ul);
  return 0;
}