diff --git a/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-15.0.7-r1.ebuild b/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-15.0.7-r1.ebuild
index cc90625548d1e..0953044302ffb 100644
--- a/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-15.0.7-r1.ebuild
+++ b/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-15.0.7-r1.ebuild
@@ -106,6 +106,13 @@ src_prepare() {
 	if use ubsan && ! use cfi; then
 		> test/cfi/CMakeLists.txt || die
 	fi
+
+	if has_version -b ">=sys-libs/glibc-2.37"; then
+		# known failures with glibc-2.37
+		# https://github.com/llvm/llvm-project/issues/60678
+		rm test/dfsan/custom.cpp || die
+		rm test/dfsan/release_shadow_space.c || die
+	fi
 	if has_version -b ">=sys-libs/glibc-2.38"; then
 		# On glibc 2.38, the "nohang" test fails by... hanging.
 		# "fixed" in llvm 19.
@@ -113,6 +120,10 @@ src_prepare() {
 		# https://github.com/llvm/llvm-project/commit/deebf6b312227e028dd3258b162306b9cdb21cf7
 		rm test/tsan/getline_nohang.cpp || die
 	fi
+	if has_version ">=sys-libs/glibc-2.40"; then
+		# https://github.com/llvm/llvm-project/issues/100877
+		rm test/asan/TestCases/Linux/printf-fortify-5.c || die
+	fi
 
 	llvm.org_src_prepare
 }
diff --git a/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-16.0.6-r1.ebuild b/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-16.0.6-r1.ebuild
index e90e63cb5f349..a0b644c7e945b 100644
--- a/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-16.0.6-r1.ebuild
+++ b/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-16.0.6-r1.ebuild
@@ -119,6 +119,10 @@ src_prepare() {
 		# https://github.com/llvm/llvm-project/commit/deebf6b312227e028dd3258b162306b9cdb21cf7
 		rm test/tsan/getline_nohang.cpp || die
 	fi
+	if has_version ">=sys-libs/glibc-2.40"; then
+		# https://github.com/llvm/llvm-project/issues/100877
+		rm test/asan/TestCases/Linux/printf-fortify-5.c || die
+	fi
 
 	llvm.org_src_prepare
 }
diff --git a/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-17.0.6-r1.ebuild b/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-17.0.6-r1.ebuild
index c8df8fbabb40e..5ce45f2b76ec2 100644
--- a/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-17.0.6-r1.ebuild
+++ b/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-17.0.6-r1.ebuild
@@ -112,6 +112,10 @@ src_prepare() {
 		# https://github.com/llvm/llvm-project/commit/deebf6b312227e028dd3258b162306b9cdb21cf7
 		rm test/tsan/getline_nohang.cpp || die
 	fi
+	if has_version ">=sys-libs/glibc-2.40"; then
+		# https://github.com/llvm/llvm-project/issues/100877
+		rm test/asan/TestCases/Linux/printf-fortify-5.c || die
+	fi
 
 	llvm.org_src_prepare
 }