// https://syzkaller.appspot.com/bug?id=e9fce3026cf377e2a7add56e9444cd379ae0a265
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#ifndef __NR_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif

static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    unsigned long nb = a1;
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(nb % 10);
      nb /= 10;
    }
    return open(buf, a2 & ~O_CREAT, 0);
  }
}

uint64_t r[3] = {0xffffffffffffffff, 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)) {
  }
  //  syz_open_dev$video4linux arguments: [
  //    dev: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 76 34 6c 2d 73 75 62 64 65 76 23 00} (length
  //      0x11)
  //    }
  //    id: intptr = 0x0 (8 bytes)
  //    flags: open_flags = 0x2 (8 bytes)
  //  ]
  //  returns fd_video
  memcpy((void*)0x20000000, "/dev/v4l-subdev#\000", 17);
  res = -1;
  res = syz_open_dev(/*dev=*/0x20000000, /*id=*/0, /*flags=O_RDWR*/ 2);
  if (res != -1)
    r[0] = res;
  //  ioctl$VIDIOC_SUBDEV_S_FMT arguments: [
  //    fd: fd_video (resource)
  //    cmd: const = 0xc0585605 (4 bytes)
  //    arg: ptr[inout, v4l2_subdev_format] {
  //      v4l2_subdev_format {
  //        which: v4l2_subdev_format_whence = 0x1 (4 bytes)
  //        pad: const = 0x0 (4 bytes)
  //        format: v4l2_mbus_framefmt {
  //          width: int32 = 0x280 (4 bytes)
  //          height: int32 = 0x1e0 (4 bytes)
  //          code: media_bus_fmt = 0x3014 (4 bytes)
  //          field: v4l2_field = 0x0 (4 bytes)
  //          colorspace: v4l2_colorspace = 0x0 (4 bytes)
  //          ycbcr_enc: v4l2_ycbcr_encoding = 0x0 (2 bytes)
  //          quantization: v4l2_quantization = 0x0 (2 bytes)
  //          xfer_func: v4l2_xfer_func = 0x0 (2 bytes)
  //          reserved: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //          00 00 00 00 00 00} (length 0x16)
  //        }
  //        reserved: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} (length 0x20)
  //      }
  //    }
  //  ]
  *(uint32_t*)0x20000100 = 1;
  *(uint32_t*)0x20000104 = 0;
  *(uint32_t*)0x20000108 = 0x280;
  *(uint32_t*)0x2000010c = 0x1e0;
  *(uint32_t*)0x20000110 = 0x3014;
  *(uint32_t*)0x20000114 = 0;
  *(uint32_t*)0x20000118 = 0;
  *(uint16_t*)0x2000011c = 0;
  *(uint16_t*)0x2000011e = 0;
  *(uint16_t*)0x20000120 = 0;
  memset((void*)0x20000122, 0, 22);
  memset((void*)0x20000138, 0, 32);
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc0585605, /*arg=*/0x20000100ul);
  //  syz_open_dev$video arguments: [
  //    dev: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 76 69 64 65 6f 23 00} (length 0xc)
  //    }
  //    id: intptr = 0x4 (8 bytes)
  //    flags: open_flags = 0x2 (8 bytes)
  //  ]
  //  returns fd_video
  memcpy((void*)0x20000200, "/dev/video#\000", 12);
  res = -1;
  res = syz_open_dev(/*dev=*/0x20000200, /*id=*/4, /*flags=O_RDWR*/ 2);
  if (res != -1)
    r[1] = res;
  //  ioctl$VIDIOC_S_FMT arguments: [
  //    fd: fd_video (resource)
  //    cmd: const = 0xc0d05605 (4 bytes)
  //    arg: ptr[inout, v4l2_format[v4l2_buf_type]] {
  //      v4l2_format[v4l2_buf_type] {
  //        type: v4l2_buf_type = 0x1 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        fmt: union v4l2_format_fmt {
  //          pix: v4l2_pix_format {
  //            width: int32 = 0x280 (4 bytes)
  //            height: int32 = 0x1e0 (4 bytes)
  //            pixelformat: v4l2_pix_format_pixelformat = 0x42474752 (4 bytes)
  //            field: v4l2_field = 0x0 (4 bytes)
  //            bytesperline: int32 = 0x0 (4 bytes)
  //            sizeimage: int32 = 0x0 (4 bytes)
  //            colorspace: v4l2_colorspace = 0x0 (4 bytes)
  //            priv: int32 = 0x0 (4 bytes)
  //            flags: v4l2_pix_format_flags = 0x0 (4 bytes)
  //            ycbcr_enc: v4l2_ycbcr_encoding = 0x0 (4 bytes)
  //            quantization: v4l2_quantization = 0x0 (4 bytes)
  //            xfer_func: v4l2_xfer_func = 0x0 (4 bytes)
  //          }
  //        }
  //      }
  //    }
  //  ]
  *(uint32_t*)0x20000300 = 1;
  *(uint32_t*)0x20000308 = 0x280;
  *(uint32_t*)0x2000030c = 0x1e0;
  *(uint32_t*)0x20000310 = 0x42474752;
  *(uint32_t*)0x20000314 = 0;
  *(uint32_t*)0x20000318 = 0;
  *(uint32_t*)0x2000031c = 0;
  *(uint32_t*)0x20000320 = 0;
  *(uint32_t*)0x20000324 = 0;
  *(uint32_t*)0x20000328 = 0;
  *(uint32_t*)0x2000032c = 0;
  *(uint32_t*)0x20000330 = 0;
  *(uint32_t*)0x20000334 = 0;
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0xc0d05605, /*arg=*/0x20000300ul);
  //  ioctl$VIDIOC_REQBUFS arguments: [
  //    fd: fd_video (resource)
  //    cmd: const = 0xc0145608 (4 bytes)
  //    arg: ptr[inout, v4l2_requestbuffers[v4l2_buf_type]] {
  //      v4l2_requestbuffers[v4l2_buf_type] {
  //        count: int32 = 0x2 (4 bytes)
  //        type: v4l2_buf_type = 0x1 (4 bytes)
  //        memory: v4l2_memory = 0x1 (4 bytes)
  //        capabilities: const = 0x0 (4 bytes)
  //        flags: int8 = 0x0 (1 bytes)
  //        reserved: buffer: {00 00 00} (length 0x3)
  //      }
  //    }
  //  ]
  *(uint32_t*)0x20000400 = 2;
  *(uint32_t*)0x20000404 = 1;
  *(uint32_t*)0x20000408 = 1;
  *(uint32_t*)0x2000040c = 0;
  *(uint8_t*)0x20000410 = 0;
  memset((void*)0x20000411, 0, 3);
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0xc0145608, /*arg=*/0x20000400ul);
  //  ioctl$VIDIOC_STREAMON arguments: [
  //    fd: fd_video (resource)
  //    cmd: const = 0x40045612 (4 bytes)
  //    arg: ptr[in, int32] {
  //      int32 = 0x1 (4 bytes)
  //    }
  //  ]
  *(uint32_t*)0x20000500 = 1;
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x40045612, /*arg=*/0x20000500ul);
  //  syz_open_dev$video arguments: [
  //    dev: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 76 69 64 65 6f 23 00} (length 0xc)
  //    }
  //    id: intptr = 0x6 (8 bytes)
  //    flags: open_flags = 0x51 (8 bytes)
  //  ]
  //  returns fd_video
  memcpy((void*)0x20000200, "/dev/video#\000", 12);
  res = -1;
  res = syz_open_dev(/*dev=*/0x20000200, /*id=*/6,
                     /*flags=O_CREAT|O_WRONLY|0x10*/ 0x51);
  if (res != -1)
    r[2] = res;
  //  ioctl$VIDIOC_REQBUFS arguments: [
  //    fd: fd_video (resource)
  //    cmd: const = 0xc0145608 (4 bytes)
  //    arg: ptr[inout, v4l2_requestbuffers[v4l2_buf_type]] {
  //      v4l2_requestbuffers[v4l2_buf_type] {
  //        count: int32 = 0x1 (4 bytes)
  //        type: v4l2_buf_type = 0x1 (4 bytes)
  //        memory: v4l2_memory = 0x1 (4 bytes)
  //        capabilities: const = 0x0 (4 bytes)
  //        flags: int8 = 0x0 (1 bytes)
  //        reserved: buffer: {00 00 00} (length 0x3)
  //      }
  //    }
  //  ]
  *(uint32_t*)0x20007100 = 1;
  *(uint32_t*)0x20007104 = 1;
  *(uint32_t*)0x20007108 = 1;
  *(uint32_t*)0x2000710c = 0;
  *(uint8_t*)0x20007110 = 0;
  memset((void*)0x20007111, 0, 3);
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0xc0145608, /*arg=*/0x20007100ul);
  //  ioctl$VIDIOC_STREAMON arguments: [
  //    fd: fd_video (resource)
  //    cmd: const = 0x40045612 (4 bytes)
  //    arg: ptr[in, int32] {
  //      int32 = 0x1 (4 bytes)
  //    }
  //  ]
  *(uint32_t*)0x20007200 = 1;
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x40045612, /*arg=*/0x20007200ul);
  return 0;
}