{"record":{"id":"333113228f9f92d9","repo":"Yalantis/uCrop","slug":"load-tiff-invalid-tile-in-file-s","errorCode":null,"errorMessage":"load_tiff(): Invalid tile in file '%s'.","messagePattern":"load_tiff\\(\\): Invalid tile in file '(.+?)'\\.","errorType":"exception","errorClass":"CImgIOException","httpStatus":null,"severity":"error","filePath":"ucrop/src/main/jni/CImg.h","lineNumber":58053,"sourceCode":"                                 const unsigned int first_frame=0, const unsigned int last_frame=~0U,\n                                 const unsigned int step_frame=1, unsigned int *const bits_per_value=0,\n                                 float *const voxel_size=0, CImg<charT> *const description=0) {\n      return CImg<T>().load_tiff(filename,first_frame,last_frame,step_frame,bits_per_value,voxel_size,description);\n    }\n\n    // (Original contribution by Jerome Boulanger).\n#ifdef cimg_use_tiff\n    template<typename t>\n    void _load_tiff_tiled_contig(TIFF *const tif, const cimg_uint16 samplesperpixel,\n                                 const cimg_uint32 nx, const cimg_uint32 ny,\n                                 const cimg_uint32 tw, const cimg_uint32 th) {\n      t *const buf = (t*)_TIFFmalloc(TIFFTileSize(tif));\n      if (buf) {\n        for (unsigned int row = 0; row<ny; row+=th)\n          for (unsigned int col = 0; col<nx; col+=tw) {\n            if (TIFFReadTile(tif,buf,col,row,0,0)<0) {\n              _TIFFfree(buf); TIFFClose(tif);\n              throw CImgIOException(_cimg_instance\n                                    \"load_tiff(): Invalid tile in file '%s'.\",\n                                    cimg_instance,\n                                    TIFFFileName(tif));\n            }\n            const t *ptr = buf;\n            for (unsigned int rr = row; rr<std::min((unsigned int)(row + th),(unsigned int)ny); ++rr)\n              for (unsigned int cc = col; cc<std::min((unsigned int)(col + tw),(unsigned int)nx); ++cc)\n                for (unsigned int vv = 0; vv<samplesperpixel; ++vv)\n                  (*this)(cc,rr,vv) = (T)(ptr[(rr - row)*th*samplesperpixel + (cc - col)*samplesperpixel + vv]);\n          }\n        _TIFFfree(buf);\n      }\n    }\n\n    template<typename t>\n    void _load_tiff_tiled_separate(TIFF *const tif, const cimg_uint16 samplesperpixel,\n                                   const cimg_uint32 nx, const cimg_uint32 ny,\n                                   const cimg_uint32 tw, const cimg_uint32 th) {","sourceCodeStart":58035,"sourceCodeEnd":58071,"githubUrl":"https://github.com/Yalantis/uCrop/blob/f788b534b48c144edf786c8cddbf0e029e637804/ucrop/src/main/jni/CImg.h#L58035-L58071","documentation":"When a TIFF is stored as tiles (single sample per pixel), load_tiff() reads each tile with TIFFReadTile(). A negative return means the tile data is corrupt, truncated, or inconsistent with the directory, so the library throws a CImgIOException and closes the file.","triggerScenarios":"Loading a tiled TIFF whose tile data is truncated, corrupted by a partial transfer/download, or written with a broken encoder.","commonSituations":"Incomplete uploads of TIFF files, files damaged in transit, or TIFFs produced by buggy third-party encoders.","solutions":["Re-acquire or re-export the TIFF from a trusted source/encoder.","Validate the file with tiffinfo/tiffcp to locate corrupt tiles.","Re-save the image as strip-based or uncompressed TIFF, then reload.","Catch CImgIOException and fall back to another loader."],"exampleFix":"// before\nimg.load_tiff(\"corrupt.tif\");\n// after: repair first\n// $ tiffcp corrupt.tif repaired.tif\nimg.load_tiff(\"repaired.tif\");","handlingStrategy":"try-catch","validationCode":"// pre-validate: reject suspiciously small files\nstd::ifstream f(path, std::ios::binary | std::ios::ate);\nif (f.tellg() < 256) throw std::runtime_error(\"TIFF too small / truncated\");","typeGuard":null,"tryCatchPattern":"try { img.load_tiff(path); }\ncatch (CImgIOException &e) { log(\"tiled TIFF corrupt; repair with tiffcp\"); fallbackLoader(path); }","preventionTips":["Verify file integrity (checksum) after transfer","Run tiffinfo on untrusted files before loading","Re-encode TIFFs from unknown writers"],"tags":["cimg","tiff","corrupt-file"],"backgroundTag":"file-read-failed","analyzedSha":"f788b534b48c144edf786c8cddbf0e029e637804","analyzedAt":"2026-09-08T08:36:04.887Z","contentChangedAt":"2026-09-08T08:36:04.887Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}