// https://syzkaller.appspot.com/bug?id=e591b9f266cf0aaaeb297884193b5b059c333fe5
// 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_bpf
#define __NR_bpf 321
#endif

uint64_t r[1] = {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 6d 79 63 6f 6e 66 69 67 00} (length 0xb)
  //    }
  //    mode: open_mode = 0x13c (8 bytes)
  //  ]
  memcpy((void*)0x200000000280, "./myconfig\000", 11);
  syscall(__NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000000280ul,
          /*mode=S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IRUSR*/ 0x13cul);
  //  mount arguments: [
  //    src: nil
  //    dst: ptr[in, buffer] {
  //      buffer: {2e 2f 6d 79 63 6f 6e 66 69 67 00} (length 0xb)
  //    }
  //    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*)0x2000000001c0, "./myconfig\000", 11);
  memcpy((void*)0x200000000200, "configfs\000", 9);
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x2000000001c0ul,
          /*type=*/0x200000000200ul, /*flags=*/0ul, /*data=*/0ul);
  //  mkdirat arguments: [
  //    fd: fd_dir (resource)
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 6d 79 63 6f 6e 66 69 67 2f 75 73 62 5f 67 61 64 67 65
  //      74 2f 67 31 00} (length 0x19)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x200000000240, "./myconfig/usb_gadget/g1\000", 25);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000000240ul,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/
      0x1fful);
  //  mkdirat arguments: [
  //    fd: fd_dir (resource)
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 6d 79 63 6f 6e 66 69 67 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 75 61 63 32 2e 75 73 62
  //      30 00} (length 0x2d)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x2000000003c0,
         "./myconfig/usb_gadget/g1/functions/uac2.usb0\000", 45);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x2000000003c0ul,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/
      0x1fful);
  //  bpf$MAP_CREATE arguments: [
  //    cmd: const = 0x0 (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd_bpf_map
  syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0ul, /*size=*/0ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 6d 79 63 6f 6e 66 69 67 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 75 61 63 32 2e 75 73 62
  //      30 2f 63 5f 73 72 61 74 65 00} (length 0x35)
  //    }
  //    flags: open_flags = 0xe8202 (4 bytes)
  //    mode: open_mode = 0x1c3 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000480,
         "./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\000", 53);
  res = syscall(
      __NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000480ul,
      /*flags=O_TRUNC|O_NOFOLLOW|O_NOATIME|O_LARGEFILE|O_CLOEXEC|0x2*/ 0xe8202,
      /*mode=S_IXOTH|S_IWOTH|S_IXUSR|S_IWUSR|S_IRUSR*/ 0x1c3);
  if (res != -1)
    r[0] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {34 74 99 ac ee 44 6f 81 aa 92 30 2c 38 38 32 30 30 2c a6 45
  //      26 92 46 9d 66 e0} (length 0x1a)
  //    }
  //    count: len = 0x1a (8 bytes)
  //  ]
  memcpy((void*)0x2000000004c0,
         "\x34\x74\x99\xac\xee\x44\x6f\x81\xaa\x92\x30\x2c\x38\x38\x32\x30\x30"
         "\x2c\xa6\x45\x26\x92\x46\x9d\x66\xe0",
         26);
  syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x2000000004c0ul, /*count=*/0x1aul);
  return 0;
}