svn commit: r358685 - head/contrib/elftoolchain/libelf
Ed Maste
emaste at FreeBSD.org
Thu Mar 5 20:53:44 UTC 2020
Author: emaste
Date: Thu Mar 5 20:53:43 2020
New Revision: 358685
URL: https://svnweb.freebsd.org/changeset/base/358685
Log:
libelf: rationalize error handling in ELF note conversion
Previously _libelf_cvt_NOTE_tom (to host) returned false if a note's
namesz + descsz exceeded the buffer size, while _libelf_cvt_NOTE_tof
(to file) silently truncated. Return false in the latter case too.
Sponsored by: The FreeBSD Foundation
Modified:
head/contrib/elftoolchain/libelf/libelf_convert.m4
Modified: head/contrib/elftoolchain/libelf/libelf_convert.m4
==============================================================================
--- head/contrib/elftoolchain/libelf/libelf_convert.m4 Thu Mar 5 20:04:41 2020 (r358684)
+++ head/contrib/elftoolchain/libelf/libelf_convert.m4 Thu Mar 5 20:53:43 2020 (r358685)
@@ -1022,7 +1022,7 @@ _libelf_cvt_NOTE_tof(unsigned char *dst, size_t dsz, u
count -= sizeof(Elf_Note);
if (count < sz)
- sz = count;
+ return (0);
(void) memcpy(dst, src, sz);
More information about the svn-src-head
mailing list