Date: Tue, 4 Feb 2020 21:18:57 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r357542 - head/contrib/elftoolchain/readelf Message-ID: <202002042118.014LIvL0019414@repo.freebsd.org>
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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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