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-rw-r--r--system/binutils/CVE-2019-17450.patch87
1 files changed, 0 insertions, 87 deletions
diff --git a/system/binutils/CVE-2019-17450.patch b/system/binutils/CVE-2019-17450.patch
deleted file mode 100644
index edc0e94df..000000000
--- a/system/binutils/CVE-2019-17450.patch
+++ /dev/null
@@ -1,87 +0,0 @@
-From 063c511bd79281f33fd33f0964541a73511b9e2b Mon Sep 17 00:00:00 2001
-From: Alan Modra <amodra@gmail.com>
-Date: Wed, 9 Oct 2019 00:07:29 +1030
-Subject: [PATCH] PR25078, stack overflow in function find_abstract_instance
-
- PR 25078
- * dwarf2.c (find_abstract_instance): Delete orig_info_ptr, add
- recur_count. Error on recur_count reaching 100 rather than
- info_ptr matching orig_info_ptr. Adjust calls.
-
-diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
-index 575b082..d39f4fd 100644
---- a/bfd/dwarf2.c
-+++ b/bfd/dwarf2.c
-@@ -2812,13 +2812,13 @@ static bfd_boolean comp_unit_maybe_decode_line_info (struct comp_unit *,
- struct dwarf2_debug *);
-
- static bfd_boolean
--find_abstract_instance (struct comp_unit * unit,
-- bfd_byte * orig_info_ptr,
-- struct attribute * attr_ptr,
-- const char ** pname,
-- bfd_boolean * is_linkage,
-- char ** filename_ptr,
-- int * linenumber_ptr)
-+find_abstract_instance (struct comp_unit *unit,
-+ struct attribute *attr_ptr,
-+ unsigned int recur_count,
-+ const char **pname,
-+ bfd_boolean *is_linkage,
-+ char **filename_ptr,
-+ int *linenumber_ptr)
- {
- bfd *abfd = unit->abfd;
- bfd_byte *info_ptr;
-@@ -2829,6 +2829,14 @@ find_abstract_instance (struct comp_unit * unit,
- struct attribute attr;
- const char *name = NULL;
-
-+ if (recur_count == 100)
-+ {
-+ _bfd_error_handler
-+ (_("DWARF error: abstract instance recursion detected"));
-+ bfd_set_error (bfd_error_bad_value);
-+ return FALSE;
-+ }
-+
- /* DW_FORM_ref_addr can reference an entry in a different CU. It
- is an offset from the .debug_info section, not the current CU. */
- if (attr_ptr->form == DW_FORM_ref_addr)
-@@ -2962,15 +2970,6 @@ find_abstract_instance (struct comp_unit * unit,
- info_ptr, info_ptr_end);
- if (info_ptr == NULL)
- break;
-- /* It doesn't ever make sense for DW_AT_specification to
-- refer to the same DIE. Stop simple recursion. */
-- if (info_ptr == orig_info_ptr)
-- {
-- _bfd_error_handler
-- (_("DWARF error: abstract instance recursion detected"));
-- bfd_set_error (bfd_error_bad_value);
-- return FALSE;
-- }
- switch (attr.name)
- {
- case DW_AT_name:
-@@ -2984,7 +2983,7 @@ find_abstract_instance (struct comp_unit * unit,
- }
- break;
- case DW_AT_specification:
-- if (!find_abstract_instance (unit, info_ptr, &attr,
-+ if (!find_abstract_instance (unit, &attr, recur_count + 1,
- &name, is_linkage,
- filename_ptr, linenumber_ptr))
- return FALSE;
-@@ -3200,7 +3199,7 @@ scan_unit_for_symbols (struct comp_unit *unit)
-
- case DW_AT_abstract_origin:
- case DW_AT_specification:
-- if (!find_abstract_instance (unit, info_ptr, &attr,
-+ if (!find_abstract_instance (unit, &attr, 0,
- &func->name,
- &func->is_linkage,
- &func->file,
---
-2.9.3
-