svn commit: r357753 - stable/12/contrib/elftoolchain/readelf

[Mark Johnston]

Author: markj
Date: Tue Feb 11 05:13:35 2020
New Revision: 357753
URL: https://svnweb.freebsd.org/changeset/base/357753

Log:
  MFC r357542:
  readelf: Don't leak memory when dwarf_get_fde_info_for_all_regs() fails.

Modified:
  stable/12/contrib/elftoolchain/readelf/readelf.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/contrib/elftoolchain/readelf/readelf.c
==============================================================================
--- stable/12/contrib/elftoolchain/readelf/readelf.c	Tue Feb 11 05:11:52 2020	(r357752)
+++ stable/12/contrib/elftoolchain/readelf/readelf.c	Tue Feb 11 05:13:35 2020	(r357753)
@@ -5871,6 +5871,7 @@ dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fd
 	for (; cur_pc < end_pc; cur_pc++) {
 		if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
 		    &de) != DW_DLV_OK) {
+			free(vec);
 			warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
 			    dwarf_errmsg(de));
 			return (-1);