// https://syzkaller.appspot.com/bug?id=a16007b3bfc6c5578001d5a735fa1e4c7fd3d71a
// 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_mkdirat
#define __NR_mkdirat 34
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_mount
#define __NR_mount 40
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif
#ifndef __NR_write
#define __NR_write 64
#endif

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

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*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=*/0x21000000ul, /*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 63 6f 6e 66 69 67 00} (length 0x9)
  //    }
  //    mode: open_mode = 0x1ed (8 bytes)
  //  ]
  memcpy((void*)0x20000000, "./config\000", 9);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x20000000ul,
      /*mode=S_IXOTH|S_IROTH|S_IXGRP|S_IRGRP|S_IXUSR|S_IWUSR|S_IRUSR*/ 0x1edul);
  //  mount arguments: [
  //    src: nil
  //    dst: ptr[in, buffer] {
  //      buffer: {2e 2f 63 6f 6e 66 69 67 00} (length 0x9)
  //    }
  //    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*)0x20000000, "./config\000", 9);
  memcpy((void*)0x20000100, "configfs\000", 9);
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x20000000ul, /*type=*/0x20000100ul,
          /*flags=*/0ul, /*data=*/0ul);
  //  mkdirat arguments: [
  //    fd: fd_dir (resource)
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 63 6f 6e 66 69 67 2f 6e 76 6d 65 74 2f 73 75 62 73 79
  //      73 74 65 6d 73 2f 74 65 73 74 6e 71 6e 00} (length 0x22)
  //    }
  //    mode: open_mode = 0x1ed (8 bytes)
  //  ]
  memcpy((void*)0x20000280, "./config/nvmet/subsystems/testnqn\000", 34);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x20000280ul,
      /*mode=S_IXOTH|S_IROTH|S_IXGRP|S_IRGRP|S_IXUSR|S_IWUSR|S_IRUSR*/ 0x1edul);
  //  mkdirat arguments: [
  //    fd: fd_dir (resource)
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 63 6f 6e 66 69 67 2f 6e 76 6d 65 74 2f 73 75 62 73 79
  //      73 74 65 6d 73 2f 74 65 73 74 6e 71 6e 2f 6e 61 6d 65 73 70 61 63 65
  //      73 2f 31 00} (length 0x2f)
  //    }
  //    mode: open_mode = 0x1ed (8 bytes)
  //  ]
  memcpy((void*)0x200003c0,
         "./config/nvmet/subsystems/testnqn/namespaces/1\000", 47);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200003c0ul,
      /*mode=S_IXOTH|S_IROTH|S_IXGRP|S_IRGRP|S_IXUSR|S_IWUSR|S_IRUSR*/ 0x1edul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 63 6f 6e 66 69 67 2f 6e 76 6d 65 74 2f 73 75 62 73 79
  //      73 74 65 6d 73 2f 74 65 73 74 6e 71 6e 2f 6e 61 6d 65 73 70 61 63 65
  //      73 2f 31 2f 62 75 66 66 65 72 65 64 5f 69 6f 00} (length 0x3b)
  //    }
  //    flags: open_flags = 0x2 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200004c0,
         "./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\000", 59);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200004c0ul,
                /*flags=O_RDWR*/ 2, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {31 00} (length 0x2)
  //    }
  //    count: len = 0x1 (8 bytes)
  //  ]
  memcpy((void*)0x20000500, "1\000", 2);
  syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x20000500ul, /*count=*/1ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 63 6f 6e 66 69 67 2f 6e 76 6d 65 74 2f 73 75 62 73 79
  //      73 74 65 6d 73 2f 74 65 73 74 6e 71 6e 2f 6e 61 6d 65 73 70 61 63 65
  //      73 2f 31 2f 65 6e 61 62 6c 65 00} (length 0x36)
  //    }
  //    flags: open_flags = 0x2 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x20000540,
         "./config/nvmet/subsystems/testnqn/namespaces/1/enable\000", 54);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000540ul,
                /*flags=O_RDWR*/ 2, /*mode=*/0);
  if (res != -1)
    r[1] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {31 00} (length 0x2)
  //    }
  //    count: len = 0x1 (8 bytes)
  //  ]
  memcpy((void*)0x20000580, "1\000", 2);
  syscall(__NR_write, /*fd=*/r[1], /*buf=*/0x20000580ul, /*count=*/1ul);
  return 0;
}