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* [gcc r13-5222] libsanitizer: Fix asan SEGVs with gld on Solaris
@ 2023-01-17 9:56 Rainer Orth
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From: Rainer Orth @ 2023-01-17 9:56 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:85b45cccdf5f2442e791969abbffffbb2676591f
commit r13-5222-g85b45cccdf5f2442e791969abbffffbb2676591f
Author: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Date: Tue Jan 17 10:56:20 2023 +0100
libsanitizer: Fix asan SEGVs with gld on Solaris
When using GNU ld on Solaris, a large number of asan tests SEGV, while
Solaris ld is fine. This happens inside the __tls_get_addr interceptor,
which is highly glibc-specific. Therefore this patch disables that
interceptor.
Posted upstream at https://reviews.llvm.org/D141385.
Tested on i386-pc-solaris2.11 and sparc-sun-solaris2.11.
2023-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
libsanitizer:
* sanitizer_common/sanitizer_platform_interceptors.h: Cherry-pick
llvm-project revision 951cf656b2faaf6fc0baa867293c0cb0ab131951.
Diff:
---
libsanitizer/sanitizer_common/sanitizer_platform_interceptors.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_interceptors.h b/libsanitizer/sanitizer_common/sanitizer_platform_interceptors.h
index 6e3081ec1fc..8307b1ec28b 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_interceptors.h
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_interceptors.h
@@ -405,7 +405,7 @@
(SI_FREEBSD || SI_NETBSD || SI_GLIBC || SI_SOLARIS)
#define SANITIZER_INTERCEPT_TLS_GET_ADDR \
- (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
+ (SI_FREEBSD || SI_NETBSD || SI_LINUX_NOT_ANDROID)
#define SANITIZER_INTERCEPT_LISTXATTR SI_LINUX
#define SANITIZER_INTERCEPT_GETXATTR SI_LINUX
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