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From b4623939316807928680913ece9a6cefc23a73b2 Mon Sep 17 00:00:00 2001
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From: "Dmitry V. Levin" <ldv@altlinux.org>
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Date: Tue, 10 Nov 2020 08:00:00 +0000
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Subject: [PATCH 158/162] tests: disable TEST_MSGCTL_BOGUS_ADDR in ipc_msg test
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on glibc >= 2.31
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Starting with commit glibc-2.31~358, on every architecture where
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__ASSUME_SYSVIPC_BROKEN_MODE_T is defined, glibc tries to modify the
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data provided in the third argument of msgctl call. This results
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to segfaults inside glibc if TEST_MSGCTL_BOGUS_ADDR is enabled.
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* tests/ipc_msg.c [GLIBC_PREREQ_GE(2, 31) && (__m68k__ || __s390__ ||
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(WORDS_BIGENDIAN && (__arm__ || __microblaze__ || __sh__)))]
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(TEST_MSGCTL_BOGUS_ADDR): Define to 0.
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Reported-by: Sven Schnelle <svens@linux.ibm.com>
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---
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tests/ipc_msg.c | 11 +++++++++++
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1 file changed, 11 insertions(+)
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diff --git a/tests/ipc_msg.c b/tests/ipc_msg.c
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index 3ab8b90..f7c36cd 100644
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--- a/tests/ipc_msg.c
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+++ b/tests/ipc_msg.c
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@@ -31,6 +31,17 @@
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# define TEST_MSGCTL_BOGUS_ADDR 0
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#endif
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/*
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+ * Starting with commit glibc-2.31~358, on every architecture where
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+ * __ASSUME_SYSVIPC_BROKEN_MODE_T is defined, glibc tries to modify
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+ * the data provided in the third argument of msgctl call.
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+ */
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+#if GLIBC_PREREQ_GE(2, 31) && \
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+ (defined __m68k__ || defined __s390__ || \
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+ (WORDS_BIGENDIAN && \
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+ (defined __arm__ || defined __microblaze__ || defined __sh__)))
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+# define TEST_MSGCTL_BOGUS_ADDR 0
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+#endif
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+/*
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* Before glibc-2.22-122-gbe48165, ppc64 code tried to retrieve data
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* provided in third argument of msgctl call (in case of IPC_SET cmd)
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* which led to segmentation fault.
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diff --git a/tests-m32/ipc_msg.c b/tests-m32/ipc_msg.c
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index 3ab8b90..f7c36cd 100644
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--- a/tests-m32/ipc_msg.c
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+++ b/tests-m32/ipc_msg.c
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@@ -31,6 +31,17 @@
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# define TEST_MSGCTL_BOGUS_ADDR 0
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#endif
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/*
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+ * Starting with commit glibc-2.31~358, on every architecture where
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+ * __ASSUME_SYSVIPC_BROKEN_MODE_T is defined, glibc tries to modify
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+ * the data provided in the third argument of msgctl call.
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+ */
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+#if GLIBC_PREREQ_GE(2, 31) && \
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+ (defined __m68k__ || defined __s390__ || \
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+ (WORDS_BIGENDIAN && \
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+ (defined __arm__ || defined __microblaze__ || defined __sh__)))
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+# define TEST_MSGCTL_BOGUS_ADDR 0
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+#endif
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+/*
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* Before glibc-2.22-122-gbe48165, ppc64 code tried to retrieve data
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* provided in third argument of msgctl call (in case of IPC_SET cmd)
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* which led to segmentation fault.
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diff --git a/tests-mx32/ipc_msg.c b/tests-mx32/ipc_msg.c
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index 3ab8b90..f7c36cd 100644
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--- a/tests-mx32/ipc_msg.c
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+++ b/tests-mx32/ipc_msg.c
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@@ -31,6 +31,17 @@
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# define TEST_MSGCTL_BOGUS_ADDR 0
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#endif
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/*
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+ * Starting with commit glibc-2.31~358, on every architecture where
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+ * __ASSUME_SYSVIPC_BROKEN_MODE_T is defined, glibc tries to modify
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+ * the data provided in the third argument of msgctl call.
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+ */
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+#if GLIBC_PREREQ_GE(2, 31) && \
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+ (defined __m68k__ || defined __s390__ || \
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+ (WORDS_BIGENDIAN && \
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+ (defined __arm__ || defined __microblaze__ || defined __sh__)))
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+# define TEST_MSGCTL_BOGUS_ADDR 0
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+#endif
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+/*
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* Before glibc-2.22-122-gbe48165, ppc64 code tried to retrieve data
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* provided in third argument of msgctl call (in case of IPC_SET cmd)
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* which led to segmentation fault.
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--
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2.1.4
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