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Resolves: rhbz#1990108
This commit is contained in:
Vít Ondruch 2021-08-24 17:29:31 +02:00
parent cff8c7b85a
commit a796603d8c
4 changed files with 293 additions and 5 deletions
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186
ruby-3.1.0-Get-rid-of-type-punning-pointer-casts.patch Normal file
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@ -0,0 +1,186 @@
From 104b009e26c050584e4d186c8cc4e1496a14061b Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 5 Aug 2021 20:09:25 +0900
Subject: [PATCH] Get rid of type-punning pointer casts [Bug #18062]
---
vm_eval.c | 4 +++-
vm_insnhelper.c | 7 +++++--
vm_method.c | 41 +++++++++++++++++++++++++---------------
3 files changed, 34 insertions(+), 18 deletions(-)
diff --git a/vm_eval.c b/vm_eval.c
index 6d4b5c3c0b28..7ce9f157e671 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -350,9 +350,11 @@ cc_new(VALUE klass, ID mid, int argc, const rb_callable_method_entry_t *cme)
{
struct rb_class_cc_entries *ccs;
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
+ VALUE ccs_data;
- if (rb_id_table_lookup(cc_tbl, mid, (VALUE*)&ccs)) {
+ if (rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
// ok
+ ccs = (struct rb_class_cc_entries *)ccs_data;
}
else {
ccs = vm_ccs_create(klass, cme);
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 14928b2afe8e..e186376b24d7 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -1636,9 +1636,11 @@ vm_search_cc(const VALUE klass, const struct rb_callinfo * const ci)
const ID mid = vm_ci_mid(ci);
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
struct rb_class_cc_entries *ccs = NULL;
+ VALUE ccs_data;
if (cc_tbl) {
- if (rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
+ if (rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
+ ccs = (struct rb_class_cc_entries *)ccs_data;
const int ccs_len = ccs->len;
VM_ASSERT(vm_ccs_verify(ccs, mid, klass));
@@ -1705,8 +1707,9 @@ vm_search_cc(const VALUE klass, const struct rb_callinfo * const ci)
if (ccs == NULL) {
VM_ASSERT(cc_tbl != NULL);
- if (LIKELY(rb_id_table_lookup(cc_tbl, mid, (VALUE*)&ccs))) {
+ if (LIKELY(rb_id_table_lookup(cc_tbl, mid, &ccs_data))) {
// rb_callable_method_entry() prepares ccs.
+ ccs = (struct rb_class_cc_entries *)ccs_data;
}
else {
// TODO: required?
diff --git a/vm_method.c b/vm_method.c
index 016dba1dbb18..1fd0bd57f7ca 100644
--- a/vm_method.c
+++ b/vm_method.c
@@ -42,11 +42,11 @@ vm_ccs_dump(VALUE klass, ID target_mid)
{
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
if (cc_tbl) {
- const struct rb_class_cc_entries *ccs;
+ VALUE ccs;
if (target_mid) {
- if (rb_id_table_lookup(cc_tbl, target_mid, (VALUE *)&ccs)) {
+ if (rb_id_table_lookup(cc_tbl, target_mid, &ccs)) {
fprintf(stderr, " [CCTB] %p\n", (void *)cc_tbl);
- vm_ccs_dump_i(target_mid, (VALUE)ccs, NULL);
+ vm_ccs_dump_i(target_mid, ccs, NULL);
}
}
else {
@@ -72,11 +72,11 @@ vm_mtbl_dump(VALUE klass, ID target_mid)
fprintf(stderr, "# vm_mtbl\n");
while (klass) {
rp_m(" -> ", klass);
- rb_method_entry_t *me;
+ VALUE me;
if (RCLASS_M_TBL(klass)) {
if (target_mid != 0) {
- if (rb_id_table_lookup(RCLASS_M_TBL(klass), target_mid, (VALUE *)&me)) {
+ if (rb_id_table_lookup(RCLASS_M_TBL(klass), target_mid, &me)) {
rp_m(" [MTBL] ", me);
}
}
@@ -90,7 +90,7 @@ vm_mtbl_dump(VALUE klass, ID target_mid)
}
if (RCLASS_CALLABLE_M_TBL(klass)) {
if (target_mid != 0) {
- if (rb_id_table_lookup(RCLASS_CALLABLE_M_TBL(klass), target_mid, (VALUE *)&me)) {
+ if (rb_id_table_lookup(RCLASS_CALLABLE_M_TBL(klass), target_mid, &me)) {
rp_m(" [CM**] ", me);
}
}
@@ -144,10 +144,11 @@ clear_method_cache_by_id_in_class(VALUE klass, ID mid)
// check only current class
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
- struct rb_class_cc_entries *ccs;
+ VALUE ccs_data;
// invalidate CCs
- if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
+ if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
+ struct rb_class_cc_entries *ccs = (struct rb_class_cc_entries *)ccs_data;
rb_vm_ccs_free(ccs);
rb_id_table_delete(cc_tbl, mid);
RB_DEBUG_COUNTER_INC(cc_invalidate_leaf_ccs);
@@ -205,9 +206,10 @@ clear_method_cache_by_id_in_class(VALUE klass, ID mid)
}
else {
rb_vm_t *vm = GET_VM();
- if (rb_id_table_lookup(vm->negative_cme_table, mid, (VALUE *)&cme)) {
+ VALUE cme_data = (VALUE) cme;
+ if (rb_id_table_lookup(vm->negative_cme_table, mid, &cme_data)) {
rb_id_table_delete(vm->negative_cme_table, mid);
- vm_me_invalidate_cache((rb_callable_method_entry_t *)cme);
+ vm_me_invalidate_cache((rb_callable_method_entry_t *)cme_data);
RB_DEBUG_COUNTER_INC(cc_invalidate_negative);
}
@@ -1023,6 +1024,7 @@ prepare_callable_method_entry(VALUE defined_class, ID id, const rb_method_entry_
{
struct rb_id_table *mtbl;
const rb_callable_method_entry_t *cme;
+ VALUE cme_data;
if (me) {
if (me->defined_class == 0) {
@@ -1032,7 +1034,8 @@ prepare_callable_method_entry(VALUE defined_class, ID id, const rb_method_entry_
mtbl = RCLASS_CALLABLE_M_TBL(defined_class);
- if (mtbl && rb_id_table_lookup(mtbl, id, (VALUE *)&cme)) {
+ if (mtbl && rb_id_table_lookup(mtbl, id, &cme_data)) {
+ cme = (rb_callable_method_entry_t *)cme_data;
RB_DEBUG_COUNTER_INC(mc_cme_complement_hit);
VM_ASSERT(callable_method_entry_p(cme));
VM_ASSERT(!METHOD_ENTRY_INVALIDATED(cme));
@@ -1076,9 +1079,10 @@ cached_callable_method_entry(VALUE klass, ID mid)
ASSERT_vm_locking();
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
- struct rb_class_cc_entries *ccs;
+ VALUE ccs_data;
- if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
+ if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
+ struct rb_class_cc_entries *ccs = (struct rb_class_cc_entries *)ccs_data;
VM_ASSERT(vm_ccs_p(ccs));
if (LIKELY(!METHOD_ENTRY_INVALIDATED(ccs->cme))) {
@@ -1104,12 +1108,14 @@ cache_callable_method_entry(VALUE klass, ID mid, const rb_callable_method_entry_
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
struct rb_class_cc_entries *ccs;
+ VALUE ccs_data;
if (!cc_tbl) {
cc_tbl = RCLASS_CC_TBL(klass) = rb_id_table_create(2);
}
- if (rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
+ if (rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
+ ccs = (struct rb_class_cc_entries *)ccs_data;
VM_ASSERT(ccs->cme == cme);
}
else {
@@ -1123,8 +1129,12 @@ negative_cme(ID mid)
{
rb_vm_t *vm = GET_VM();
const rb_callable_method_entry_t *cme;
+ VALUE cme_data;
- if (!rb_id_table_lookup(vm->negative_cme_table, mid, (VALUE *)&cme)) {
+ if (rb_id_table_lookup(vm->negative_cme_table, mid, &cme_data)) {
+ cme = (rb_callable_method_entry_t *)cme_data;
+ }
+ else {
cme = (rb_callable_method_entry_t *)rb_method_entry_alloc(mid, Qnil, Qnil, NULL);
rb_id_table_insert(vm->negative_cme_table, mid, (VALUE)cme);
}

58
ruby-3.1.0-Ignore-DW_FORM_ref_addr.patch Normal file
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@ -0,0 +1,58 @@
From 72317b333b85eed483ad00bcd4f40944019a7c13 Mon Sep 17 00:00:00 2001
From: "xtkoba+ruby@gmail.com" <xtkoba+ruby@gmail.com>
Date: Fri, 13 Aug 2021 13:45:53 +0000
Subject: [PATCH] Ignore `DW_FORM_ref_addr` [Bug #17052]
Ignore `DW_FORM_ref_addr` form and other forms that are not supposed
to be used currently.
---
addr2line.c | 23 ++++++++++++++++++++---
1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/addr2line.c b/addr2line.c
index fed1a8da84e5..92c6da5e3bea 100644
--- a/addr2line.c
+++ b/addr2line.c
@@ -1592,14 +1592,31 @@ di_read_cu(DebugInfoReader *reader)
}
static void
-read_abstract_origin(DebugInfoReader *reader, uint64_t abstract_origin, line_info_t *line)
+read_abstract_origin(DebugInfoReader *reader, uint64_t form, uint64_t abstract_origin, line_info_t *line)
{
char *p = reader->p;
char *q = reader->q;
int level = reader->level;
DIE die;
- reader->p = reader->current_cu + abstract_origin;
+ switch (form) {
+ case DW_FORM_ref1:
+ case DW_FORM_ref2:
+ case DW_FORM_ref4:
+ case DW_FORM_ref8:
+ case DW_FORM_ref_udata:
+ reader->p = reader->current_cu + abstract_origin;
+ break;
+ case DW_FORM_ref_addr:
+ goto finish; /* not supported yet */
+ case DW_FORM_ref_sig8:
+ goto finish; /* not supported yet */
+ case DW_FORM_ref_sup4:
+ case DW_FORM_ref_sup8:
+ goto finish; /* not supported yet */
+ default:
+ goto finish;
+ }
if (!di_read_die(reader, &die)) goto finish;
/* enumerate abbrev */
@@ -1664,7 +1681,7 @@ debug_info_read(DebugInfoReader *reader, int num_traces, void **traces,
/* 1 or 3 */
break; /* goto skip_die; */
case DW_AT_abstract_origin:
- read_abstract_origin(reader, v.as.uint64, &line);
+ read_abstract_origin(reader, v.form, v.as.uint64, &line);
break; /* goto skip_die; */
}
}

29
ruby-3.1.0-addr2line-DW_FORM_ref_addr.patch Normal file
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@ -0,0 +1,29 @@
From a9977ba2f9863e3fb1b2346589ebbca67d80536c Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 14 Aug 2021 10:08:19 +0900
Subject: [PATCH] Constified addr2line.c
---
addr2line.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/addr2line.c b/addr2line.c
index 8ee4416650d3..fed1a8da84e5 100644
--- a/addr2line.c
+++ b/addr2line.c
@@ -1137,12 +1137,12 @@ debug_info_reader_read_value(DebugInfoReader *reader, uint64_t form, DebugInfoVa
set_uint_value(v, read_uleb128(reader));
break;
case DW_FORM_ref_addr:
- if (reader->address_size == 4) {
+ if (reader->format == 4) {
set_uint_value(v, read_uint32(&reader->p));
- } else if (reader->address_size == 8) {
+ } else if (reader->format == 8) {
set_uint_value(v, read_uint64(&reader->p));
} else {
- fprintf(stderr,"unknown address_size:%d", reader->address_size);
+ fprintf(stderr,"unknown format:%d", reader->format);
abort();
}
break;

25
ruby.spec
View File

@ -22,7 +22,7 @@
%endif
%global release 155
%global release 156
%{!?release_string:%define release_string %{?development_release:0.}%{release}%{?development_release:.%{development_release}}%{?dist}}
# The RubyGems library has to stay out of Ruby directory tree, since the
@ -83,10 +83,6 @@
%bcond_without hardening_test
%endif
# LTO appears to cause some issue to SEGV handler.
# https://bugs.ruby-lang.org/issues/17052
%define _lto_cflags %{nil}
Summary: An interpreter of object-oriented scripting language
Name: ruby
Version: %{ruby_version}
@ -153,6 +149,18 @@ Patch9: ruby-2.3.1-Rely-on-ldd-to-detect-glibc.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1920533
# https://bugs.ruby-lang.org/issues/17585
Patch15: ruby-dwarf5-avoid_crash-r1.patch
# Fix segfaults with enabled LTO.
# https://bugs.ruby-lang.org/issues/18062
# https://github.com/ruby/ruby/pull/4716
Patch16: ruby-3.1.0-Get-rid-of-type-punning-pointer-casts.patch
# DWARF5/LTO fixes for SIGSEV handler.
# https://bugs.ruby-lang.org/issues/17052
# https://github.com/ruby/ruby/commit/72317b333b85eed483ad00bcd4f40944019a7c13
Patch17: ruby-3.1.0-Ignore-DW_FORM_ref_addr.patch
# https://bugs.ruby-lang.org/issues/17052#note-9
# https://bugs.ruby-lang.org/attachments/download/8974/ruby-addr2line-DW_FORM_ref_addr.patch
# https://github.com/ruby/ruby/commit/a9977ba2f9863e3fb1b2346589ebbca67d80536c
Patch18: ruby-3.1.0-addr2line-DW_FORM_ref_addr.patch
# Avoid possible timeout errors in TestBugReporter#test_bug_reporter_add.
# https://bugs.ruby-lang.org/issues/16492
Patch19: ruby-2.7.1-Timeout-the-test_bug_reporter_add-witout-raising-err.patch
@ -595,6 +603,9 @@ rm -rf ext/fiddle/libffi*
%patch6 -p1
%patch9 -p1
%patch15 -p1
%patch16 -p1
%patch17 -p1
%patch18 -p1
%patch19 -p1
%patch20 -p1
@ -1411,6 +1422,10 @@ mv test/fiddle/test_import.rb{,.disable}
%changelog
* Wed Aug 25 2021 Vít Ondruch <vondruch@redhat.com> - 3.0.2-156
- Enable LTO.
Resolves: rhbz#1990108
* Wed Aug 25 2021 Carlos O'Donell <codonell@redhat.com> - 3.0.1-155
- Rebuilt for libffi 3.4.2 SONAME transition (second attempt).
Related: rhbz#1891914