// https://syzkaller.appspot.com/bug?id=ec02119d1dcdd78aa785dc38715c876c567d74cd
// 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 296
#endif
#ifndef __NR_mmap
#define __NR_mmap 192
#endif
#ifndef __NR_mount
#define __NR_mount 21
#endif
#ifndef __NR_openat
#define __NR_openat 295
#endif
#ifndef __NR_write
#define __NR_write 4
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2

uint64_t r[5] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff, 0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x7ffff000, /*len=*/0x1000, /*prot=*/0,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32,
          /*fd=*/(intptr_t)-1, /*offset=*/0);
  syscall(__NR_mmap, /*addr=*/0x80000000, /*len=*/0x1000000,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32,
          /*fd=*/(intptr_t)-1, /*offset=*/0);
  syscall(__NR_mmap, /*addr=*/0x81000000, /*len=*/0x1000, /*prot=*/0,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32,
          /*fd=*/(intptr_t)-1, /*offset=*/0);
  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 73 79 73 00} (length 0x6)
  //    }
  //    mode: open_mode = 0x1ff (4 bytes)
  //  ]
  memcpy((void*)0x80000000, "./sys\000", 6);
  syscall(
      __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x80000000,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/
      0x1ff);
  //  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 (4 bytes)
  //    data: nil
  //  ]
  memcpy((void*)0x80000080, "./sys\000", 6);
  memcpy((void*)0x800000c0, "sysfs\000", 6);
  syscall(__NR_mount, /*src=*/0, /*dst=*/0x80000080, /*type=*/0x800000c0,
          /*flags=*/0, /*data=*/0);
  //  openat$dir arguments: [
  //    fd: const = 0xffffffffffffff9c (4 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 73 79 73 2f 62 75 73 2f 70 63 69 2f 64 65 76 69 63 65
  //      73 2f 30 30 30 30 3a 30 30 3a 30 31 2e 30 00} (length 0x23)
  //    }
  //    flags: open_flags = 0x0 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd_dir
  memcpy((void*)0x80000100, "./sys/bus/pci/devices/0000:00:01.0\000", 35);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x80000100,
                /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {64 72 69 76 65 72 2f 75 6e 62 69 6e 64 00} (length 0xe)
  //    }
  //    flags: open_flags = 0x1 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x80000200, "driver/unbind\000", 14);
  res = syscall(__NR_openat, /*fd=*/(intptr_t)r[0], /*file=*/0x80000200,
                /*flags=O_WRONLY*/ 1, /*mode=*/0);
  if (res != -1)
    r[1] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {30 30 30 30 3a 30 30 3a 30 31 2e 30 00} (length 0xd)
  //    }
  //    count: len = 0xd (4 bytes)
  //  ]
  memcpy((void*)0x80000300, "0000:00:01.0\000", 13);
  syscall(__NR_write, /*fd=*/(intptr_t)r[1], /*buf=*/0x80000300, /*count=*/0xd);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {64 72 69 76 65 72 5f 6f 76 65 72 72 69 64 65 00} (length
  //      0x10)
  //    }
  //    flags: open_flags = 0x1 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x80000400, "driver_override\000", 16);
  res = syscall(__NR_openat, /*fd=*/(intptr_t)r[0], /*file=*/0x80000400,
                /*flags=O_WRONLY*/ 1, /*mode=*/0);
  if (res != -1)
    r[2] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {65 31 30 30 30 00} (length 0x6)
  //    }
  //    count: len = 0x6 (4 bytes)
  //  ]
  memcpy((void*)0x80000500, "e1000\000", 6);
  syscall(__NR_write, /*fd=*/(intptr_t)r[2], /*buf=*/0x80000500, /*count=*/6);
  //  openat$dir arguments: [
  //    fd: const = 0xffffffffffffff9c (4 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 73 79 73 2f 62 75 73 2f 70 63 69 2f 64 72 69 76 65 72
  //      73 2f 65 31 30 30 30 00} (length 0x1c)
  //    }
  //    flags: open_flags = 0x0 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd_dir
  memcpy((void*)0x80000600, "./sys/bus/pci/drivers/e1000\000", 28);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x80000600,
                /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[3] = res;
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {62 69 6e 64 00} (length 0x5)
  //    }
  //    flags: open_flags = 0x1 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x80000700, "bind\000", 5);
  res = syscall(__NR_openat, /*fd=*/(intptr_t)r[3], /*file=*/0x80000700,
                /*flags=O_WRONLY*/ 1, /*mode=*/0);
  if (res != -1)
    r[4] = res;
  //  write arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {30 30 30 30 3a 30 30 3a 30 31 2e 30 00} (length 0xd)
  //    }
  //    count: len = 0xd (4 bytes)
  //  ]
  memcpy((void*)0x80000800, "0000:00:01.0\000", 13);
  syscall(__NR_write, /*fd=*/(intptr_t)r[4], /*buf=*/0x80000800, /*count=*/0xd);
  return 0;
}