// https://syzkaller.appspot.com/bug?id=786a6b4955bb68cff4085c588ad26c6bd6bbdc77
// 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 6d 79 73 79 73 00} (length 0x8)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x200000000000, "./mysys\000", 8);
  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 6d 79 73 79 73 00} (length 0x8)
  //    }
  //    type: ptr[in, buffer] {
  //      buffer: {73 79 73 66 73 00} (length 0x6)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    data: nil
  //  ]
  memcpy((void*)0x200000000080, "./mysys\000", 8);
  memcpy((void*)0x2000000000c0, "sysfs\000", 6);
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x200000000080ul,
          /*type=*/0x2000000000c0ul, /*flags=*/0ul, /*data=*/0ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 6d 79 73 79 73 2f 62 75 73 2f 70 6c 61 74 66 6f 72 6d
  //      2f 64 72 69 76 65 72 73 2f 64 75 6d 6d 79 5f 68 63 64 2f 75 6e 62 69
  //      6e 64 00} (length 0x2e)
  //    }
  //    flags: open_flags = 0x1 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000100,
         "./mysys/bus/platform/drivers/dummy_hcd/unbind\000", 46);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000100ul,
                /*flags=O_WRONLY*/ 1, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {64 75 6d 6d 79 5f 68 63 64 2e 30 00} (length 0xc)
  //    }
  //    count: len = 0xb (8 bytes)
  //  ]
  memcpy((void*)0x200000000200, "dummy_hcd.0\000", 12);
  syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x200000000200ul, /*count=*/0xbul);
  //  mkdir arguments: [
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 67 61 64 67 65 74 00} (length 0x9)
  //    }
  //    mode: open_mode = 0x1ff (8 bytes)
  //  ]
  memcpy((void*)0x200000000000, "./gadget\000", 9);
  syscall(
      __NR_mkdir, /*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 67 61 64 67 65 74 00} (length 0x9)
  //    }
  //    type: ptr[in, buffer] {
  //      buffer: {67 61 64 67 65 74 66 73 00} (length 0x9)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    data: nil
  //  ]
  memcpy((void*)0x200000000100, "./gadget\000", 9);
  memcpy((void*)0x200000000200, "gadgetfs\000", 9);
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x200000000100ul,
          /*type=*/0x200000000200ul, /*flags=*/0ul, /*data=*/0ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 67 61 64 67 65 74 2f 64 75 6d 6d 79 5f 75 64 63 00}
  //      (length 0x13)
  //    }
  //    flags: open_flags = 0x2 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000300, "./gadget/dummy_udc\000", 19);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000300ul,
                /*flags=O_RDWR*/ 2, /*mode=*/0);
  if (res != -1)
    r[1] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {00 00 00 00 09 02 09 00 01 01 00 80 01 12 01 00 02 00 00 00
  //      40 00 00 00 00 00 00 00 00 00 01} (length 0x1f)
  //    }
  //    count: len = 0x1f (8 bytes)
  //  ]
  memcpy((void*)0x200000000400,
         "\x00\x00\x00\x00\x09\x02\x09\x00\x01\x01\x00\x80\x01\x12\x01\x00\x02"
         "\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01",
         31);
  syscall(__NR_write, /*fd=*/r[1], /*buf=*/0x200000000400ul, /*count=*/0x1ful);
  return 0;
}