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