diff options
| -rw-r--r-- | libziparchive/zip_archive.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libziparchive/zip_archive.cc b/libziparchive/zip_archive.cc index cc39aa5..a17091f 100644 --- a/libziparchive/zip_archive.cc +++ b/libziparchive/zip_archive.cc @@ -463,9 +463,14 @@ static int32_t MapCentralDirectory0(int fd, const char* debug_file_name, * Grab the CD offset and size, and the number of entries in the * archive and verify that they look reasonable. */ - if (eocd->cd_start_offset + eocd->cd_size > eocd_offset) { + if (static_cast<off64_t>(eocd->cd_start_offset) + eocd->cd_size > eocd_offset) { ALOGW("Zip: bad offsets (dir %" PRIu32 ", size %" PRIu32 ", eocd %" PRId64 ")", eocd->cd_start_offset, eocd->cd_size, static_cast<int64_t>(eocd_offset)); +#if defined(__ANDROID__) + if (eocd->cd_start_offset + eocd->cd_size <= eocd_offset) { + android_errorWriteLog(0x534e4554, "31251826"); + } +#endif return kInvalidOffset; } if (eocd->num_records == 0) { |