diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/0017-CVE-2022-38127-4.patch')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/0017-CVE-2022-38127-4.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/0017-CVE-2022-38127-4.patch b/meta/recipes-devtools/binutils/binutils/0017-CVE-2022-38127-4.patch new file mode 100644 index 0000000000..e59b19c184 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/0017-CVE-2022-38127-4.patch @@ -0,0 +1,43 @@ +From e98e7d9a70dcc987bff0e925f20b78cd4a2979ed Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Mon, 27 Jun 2022 13:30:35 +0100 +Subject: [PATCH] Fix NULL pointer indirection when parsing corrupt DWARF data. + + PR 29290 + * dwarf.c (read_and_display_attr_value): Check that debug_info_p + is set before dereferencing it. + +Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=e98e7d9a70dcc987bff0e925f20b78cd4a2979ed] + +Signed-off-by: Pgowda <pgowda.cve@gmail.com> +--- + binutils/dwarf.c | 11 +++++------ + +diff --git a/binutils/dwarf.c b/binutils/dwarf.c +index bcabb61b871..37b477b886d 100644 +--- a/binutils/dwarf.c ++++ b/binutils/dwarf.c +@@ -2727,18 +2727,17 @@ read_and_display_attr_value (unsigned lo + { + const char *suffix = strrchr (section->name, '.'); + bool dwo = suffix && strcmp (suffix, ".dwo") == 0; ++ const char *strng; + ++ strng = fetch_indexed_string (uvalue, this_set, offset_size, dwo, ++ debug_info_p ? debug_info_p->str_offsets_base : 0); + if (do_wide) + /* We have already displayed the form name. */ + printf (_("%c(offset: 0x%s): %s"), delimiter, +- dwarf_vmatoa ("x", uvalue), +- fetch_indexed_string (uvalue, this_set, offset_size, dwo, +- debug_info_p->str_offsets_base)); ++ dwarf_vmatoa ("x", uvalue), strng); + else + printf (_("%c(indexed string: 0x%s): %s"), delimiter, +- dwarf_vmatoa ("x", uvalue), +- fetch_indexed_string (uvalue, this_set, offset_size, dwo, +- debug_info_p->str_offsets_base)); ++ dwarf_vmatoa ("x", uvalue), strng); + } + break; + |