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

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CID:		1292493
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Mark Johnston 2020-02-04 21:18:56 +00:00
parent 37fa1df2d1
commit 85642eee46
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=357542
1 changed files with 1 additions and 0 deletions
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contrib/elftoolchain/readelf/readelf.c
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@ -5964,6 +5964,7 @@ dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde, Dwarf_Addr pc,
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);