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-rw-r--r--libsanitizer/ChangeLog7
-rw-r--r--libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp8
-rw-r--r--libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h15
3 files changed, 11 insertions, 19 deletions
diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog
index 3ae22f7..f2a07ad 100644
--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
@@ -1,3 +1,10 @@
+2019-11-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR sanitizer/92154
+ * sanitizer_common/sanitizer_platform_limits_posix.h: Cherry-pick
+ llvm-project revision 947f9692440836dcb8d88b74b69dd379d85974ce.
+ * sanitizer_common/sanitizer_platform_limits_posix.cpp: Likewise.
+
2019-11-20 Martin Liska <mliska@suse.cz>
* libtool-version: Remove.
diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp
index b4f8f67..aa845df 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp
@@ -1128,11 +1128,9 @@ CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
-#if (!defined(__aarch64__) || !SANITIZER_LINUX || __GLIBC_PREREQ (2, 21)) && \
- !defined(__arm__)
-/* On aarch64 glibc 2.20 and earlier provided incorrect mode field. */
-/* On Arm newer glibc provide a different mode field, it's hard to detect
- so just disable the check. */
+#if !SANITIZER_LINUX || __GLIBC_PREREQ (2, 31)
+/* glibc 2.30 and earlier provided 16-bit mode field instead of 32-bit
+ on many architectures. */
CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
#endif
diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
index 901f390..d82fd5e4 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -207,26 +207,13 @@ struct __sanitizer_ipc_perm {
u64 __unused1;
u64 __unused2;
#elif defined(__sparc__)
-#if defined(__arch64__)
unsigned mode;
- unsigned short __pad1;
-#else
- unsigned short __pad1;
- unsigned short mode;
unsigned short __pad2;
-#endif
unsigned short __seq;
unsigned long long __unused1;
unsigned long long __unused2;
-#elif defined(__mips__) || defined(__aarch64__) || defined(__s390x__)
- unsigned int mode;
- unsigned short __seq;
- unsigned short __pad1;
- unsigned long __unused1;
- unsigned long __unused2;
#else
- unsigned short mode;
- unsigned short __pad1;
+ unsigned int mode;
unsigned short __seq;
unsigned short __pad2;
#if defined(__x86_64__) && !defined(_LP64)