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package/gawk: fix double free during kernel build

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Backport an upstream patch to fix a crash during kernel build.

Details: https://bugs.gentoo.org/868567

Fixes:
  GEN     /home/buildroot/buildroot/output/build/linux-6.0.6/tools/objtool/arch/x86/lib/inat-tables.c
free(): double free detected in tcache 2
Aborted

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
James Hilliard 2022-10-30 15:54:58 -06:00 committed by Yann E. MORIN
parent 3b27e969fd
commit e6942ad11f
1 changed files with 155 additions and 0 deletions
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155
package/gawk/0002-Fix-a-bug-with-Node_elem_new.patch Normal file
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@ -0,0 +1,155 @@
From baab183439ff4e0c6b77d62156d447e61fc1dcfb Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Wed, 14 Sep 2022 21:08:59 +0300
Subject: [PATCH] Fix a bug with Node_elem_new.
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
[james.hilliard1@gmail.com: backport from upstream commit
baab183439ff4e0c6b77d62156d447e61fc1dcfb]
---
ChangeLog | 8 ++++++++
interpret.h | 1 +
test/ChangeLog | 5 +++++
test/Makefile.am | 4 +++-
test/Makefile.in | 9 ++++++++-
test/Maketests | 5 +++++
test/elemnew1.awk | 9 +++++++++
test/elemnew1.ok | 0
8 files changed, 39 insertions(+), 2 deletions(-)
create mode 100644 test/elemnew1.awk
create mode 100644 test/elemnew1.ok
diff --git a/ChangeLog b/ChangeLog
index 5fb25483..cd9d9fcd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2022-09-14 Arnold D. Robbins <arnold@skeeve.com>
+
+ * interpret.h (r_interpret): For the `push' opcodes, upref
+ the Node_elem_new. See test case elemnew1. Thanks to
+ Emanuel Attila Czirai <corre.a.buscar@gmail.com> for the report,
+ and to Jan Alexander Steffens (heftig)" <heftig@archlinux.org>
+ for the fix.
+
2022-09-04 Arnold D. Robbins <arnold@skeeve.com>
* 5.2.0: Release tar ball made.
diff --git a/interpret.h b/interpret.h
index 57d060e6..268655b2 100644
--- a/interpret.h
+++ b/interpret.h
@@ -238,6 +238,7 @@ uninitialized_scalar:
_("reference to uninitialized argument `%s'") :
_("reference to uninitialized variable `%s'"),
save_symbol->vname);
+ UPREF(m);
PUSH(m);
break;
diff --git a/test/ChangeLog b/test/ChangeLog
index a73637bf..ea08edee 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,8 @@
+2022-09-14 Arnold D. Robbins <arnold@skeeve.com>
+
+ * Makefile.am (EXTRA_DIST): New test: elemnew1.
+ * elemnew1.awk, elemnew1.ok: New files.
+
2022-09-04 Arnold D. Robbins <arnold@skeeve.com>
* 5.2.0: Release tar ball made.
diff --git a/test/Makefile.am b/test/Makefile.am
index ab06974c..8a5c3c49 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -282,6 +282,8 @@ EXTRA_DIST = \
dumpvars.ok \
dynlj.awk \
dynlj.ok \
+ elemnew1.awk \
+ elemnew1.ok \
escapebrace.awk \
escapebrace.in \
escapebrace.ok \
@@ -1480,7 +1482,7 @@ GAWK_EXT_TESTS = \
binmode1 charasbytes clos1way clos1way2 clos1way3 clos1way4 \
clos1way5 clos1way6 colonwarn commas crlf dbugeval dbugeval2 \
dbugeval3 dbugtypedre1 dbugtypedre2 delsub devfd devfd1 devfd2 \
- dfacheck1 dumpvars errno exit fieldwdth forcenum fpat1 fpat2 \
+ dfacheck1 dumpvars elemnew1 errno exit fieldwdth forcenum fpat1 fpat2 \
fpat3 fpat4 fpat5 fpat6 fpat7 fpat8 fpat9 fpatnull fsfwfs functab1 \
functab2 functab3 functab6 funlen fwtest fwtest2 fwtest3 fwtest4 \
fwtest5 fwtest6 fwtest7 fwtest8 genpot gensub gensub2 gensub3 \
diff --git a/test/Makefile.in b/test/Makefile.in
index 834feb09..a4fb1cc1 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -550,6 +550,8 @@ EXTRA_DIST = \
dumpvars.ok \
dynlj.awk \
dynlj.ok \
+ elemnew1.awk \
+ elemnew1.ok \
escapebrace.awk \
escapebrace.in \
escapebrace.ok \
@@ -1748,7 +1750,7 @@ GAWK_EXT_TESTS = \
binmode1 charasbytes clos1way clos1way2 clos1way3 clos1way4 \
clos1way5 clos1way6 colonwarn commas crlf dbugeval dbugeval2 \
dbugeval3 dbugtypedre1 dbugtypedre2 delsub devfd devfd1 devfd2 \
- dfacheck1 dumpvars errno exit fieldwdth forcenum fpat1 fpat2 \
+ dfacheck1 dumpvars elemnew1 errno exit fieldwdth forcenum fpat1 fpat2 \
fpat3 fpat4 fpat5 fpat6 fpat7 fpat8 fpat9 fpatnull fsfwfs functab1 \
functab2 functab3 functab6 funlen fwtest fwtest2 fwtest3 fwtest4 \
fwtest5 fwtest6 fwtest7 fwtest8 genpot gensub gensub2 gensub3 \
@@ -4476,6 +4478,11 @@ dfacheck1:
@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+elemnew1:
+ @echo $@
+ @-AWKPATH="$(srcdir)" $(AWK) -f $@.awk >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
+ @-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+
exit:
@echo $@
@-$(LOCALES) AWK="$(AWKPROG)" "$(srcdir)"/$@.sh > _$@ 2>&1 || echo EXIT CODE: $$? >>_$@
diff --git a/test/Maketests b/test/Maketests
index 3a667af8..90828e7f 100644
--- a/test/Maketests
+++ b/test/Maketests
@@ -1432,6 +1432,11 @@ dfacheck1:
@-AWKPATH="$(srcdir)" $(AWK) -f $@.awk < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+elemnew1:
+ @echo $@
+ @-AWKPATH="$(srcdir)" $(AWK) -f $@.awk >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
+ @-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+
exit:
@echo $@
@-$(LOCALES) AWK="$(AWKPROG)" "$(srcdir)"/$@.sh > _$@ 2>&1 || echo EXIT CODE: $$? >>_$@
diff --git a/test/elemnew1.awk b/test/elemnew1.awk
new file mode 100644
index 00000000..58dc9fcd
--- /dev/null
+++ b/test/elemnew1.awk
@@ -0,0 +1,9 @@
+function add_flags(old) {
+ if (old)
+ return 0
+ if (!old)
+ return 1
+}
+BEGIN {
+ a[0]=add_flags(a[0])
+}
diff --git a/test/elemnew1.ok b/test/elemnew1.ok
new file mode 100644
index 00000000..e69de29b
--
2.34.1