Author: markj
Date: Tue Feb 4 21:18:56 2020
New Revision: 357542
URL: https://svnweb.freebsd.org/changeset/base/357542
Log:
readelf: Don't leak memory when dwarf_get_fde_info_for_all_regs() fails.
CID: 1292493
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Modified:
head/contrib/elftoolchain/readelf/readelf.c
Modified: head/contrib/elftoolchain/readelf/readelf.c
==============================================================================
--- head/contrib/elftoolchain/readelf/readelf.c Tue Feb 4 21:18:37 2020
(r357541)
+++ head/contrib/elftoolchain/readelf/readelf.c Tue Feb 4 21:18:56 2020
(r357542)
@@ -5964,6 +5964,7 @@ 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);
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