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Fix decode fail on image with invalid eXIf chunk

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Qiang Zhou 2019-12-19 18:33:21 +08:00 committed by Cosmin Truta
parent 2224c8ea7b
commit c4bd411c35
1 changed files with 1 additions and 1 deletions
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2
pngrutil.c
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@ -2079,7 +2079,7 @@ png_handle_eXIf(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
if (i == 1 && buf[0] != 'M' && buf[0] != 'I' if (i == 1 && buf[0] != 'M' && buf[0] != 'I'
&& info_ptr->eXIf_buf[0] != buf[0]) && info_ptr->eXIf_buf[0] != buf[0])
{ {
png_crc_finish(png_ptr, length); png_crc_finish(png_ptr, length-i-1);
png_chunk_benign_error(png_ptr, "incorrect byte-order specifier"); png_chunk_benign_error(png_ptr, "incorrect byte-order specifier");
png_free(png_ptr, info_ptr->eXIf_buf); png_free(png_ptr, info_ptr->eXIf_buf);
info_ptr->eXIf_buf = NULL; info_ptr->eXIf_buf = NULL;