From b55ec8b676ed05d93ee49d6c79ae0403616c4fb0 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Mon, 9 Oct 2017 13:21:44 +1030 Subject: [PATCH] PR22212, memory leak in nm PR 22212 * dwarf2.c (_bfd_dwarf2_cleanup_debug_info): Free funcinfo_hash_table and varinfo_hash_table. Upstream-Status: Backport Affects: <= 2.29.1 CVE: CVE-2017-15225 Signed-off-by: Armin Kuster --- bfd/ChangeLog | 6 ++++++ bfd/dwarf2.c | 4 ++++ 2 files changed, 10 insertions(+) Index: git/bfd/dwarf2.c =================================================================== --- git.orig/bfd/dwarf2.c +++ git/bfd/dwarf2.c @@ -4932,6 +4932,10 @@ _bfd_dwarf2_cleanup_debug_info (bfd *abf } } + if (stash->funcinfo_hash_table) + bfd_hash_table_free (&stash->funcinfo_hash_table->base); + if (stash->varinfo_hash_table) + bfd_hash_table_free (&stash->varinfo_hash_table->base); if (stash->dwarf_abbrev_buffer) free (stash->dwarf_abbrev_buffer); if (stash->dwarf_line_buffer) Index: git/bfd/ChangeLog =================================================================== --- git.orig/bfd/ChangeLog +++ git/bfd/ChangeLog @@ -1,3 +1,9 @@ +2017-10-09 Alan Modra + + PR 22212 + * dwarf2.c (_bfd_dwarf2_cleanup_debug_info): Free + funcinfo_hash_table and varinfo_hash_table. + 2017-09-24 Alan Modra PR 22186