From 2f453acf5d99285570fd4b65827a0982c7166229 Mon Sep 17 00:00:00 2001 From: John Reiser Date: Thu, 28 May 2020 15:45:07 -0700 Subject: [PATCH] use UPX_RSIZE_MAX_MEM modified: p_mach.cpp --- src/p_mach.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/p_mach.cpp b/src/p_mach.cpp index 851bf041..4881c7b1 100644 --- a/src/p_mach.cpp +++ b/src/p_mach.cpp @@ -1397,7 +1397,7 @@ void PackMachBase::unpack(OutputFile *fo) fi->readx(&hbuf, sizeof(hbuf)); unsigned const orig_file_size = get_te32(&hbuf.p_filesize); blocksize = get_te32(&hbuf.p_blocksize); // emacs-21.2.1 was 0x01d47e6c (== 30703212) - if (blocksize > orig_file_size || blocksize > 0x05000000) + if (blocksize > orig_file_size || blocksize > UPX_RSIZE_MAX_MEM) throwCantUnpack("file header corrupted"); if (file_size > (off_t)orig_file_size) { opt->info_mode += !opt->info_mode ? 1 : 0; // make visible