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-rw-r--r--gnu/packages/patches/gcc-8-libsanitizer-mode-size.patch56
1 files changed, 56 insertions, 0 deletions
diff --git a/gnu/packages/patches/gcc-8-libsanitizer-mode-size.patch b/gnu/packages/patches/gcc-8-libsanitizer-mode-size.patch
new file mode 100644
index 0000000000..e343034991
--- /dev/null
+++ b/gnu/packages/patches/gcc-8-libsanitizer-mode-size.patch
@@ -0,0 +1,56 @@
+Fix assertion failure in libsanitizer when using glibc 2.31 and later.
+
+https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92154
+https://reviews.llvm.org/D69104
+
+Adapted from these upstream revision:
+
+https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=277981
+https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=279653
+
+diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+index a915d37cdfe..5c720b2e700 100644
+--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
++++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+@@ -1147,8 +1147,9 @@ 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)
+-/* On aarch64 glibc 2.20 and earlier provided incorrect mode field. */
++#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 4d11d071776..eda75a7cd84 100644
+--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
++++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+@@ -210,14 +210,8 @@ namespace __sanitizer {
+ 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;
+@@ -228,8 +222,7 @@ namespace __sanitizer {
+ 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)
+