Hi Tianon,
Just a quick update.
We do have a patch for the issue. I will share its link once it is raised in
LLVM.
Meanwhile, this is the patch for gcc.
diff --git a/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp
b/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp
index 2b4934be0aa..ccc9ed42c5d 100644
--- a/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp
+++ b/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -503,10 +503,10 @@ __attribute__((unused)) static void
GetStaticTlsBoundary(uptr *addr, uptr *size,
// loader places static TLS blocks this way not to waste space.
uptr l = one;
*align = ranges[l].align;
- while (l != 0 && ranges[l].begin < ranges[l - 1].end + ranges[l].align)
+ while (l != 0 && ranges[l].begin <= ranges[l - 1].end + ranges[l].align)
*align = Max(*align, ranges[--l].align);
uptr r = one + 1;
- while (r != len && ranges[r].begin < ranges[r - 1].end + ranges[r].align)
+ while (r != len && ranges[r].begin <= ranges[r - 1].end + ranges[r].align)
*align = Max(*align, ranges[r++].align);
*addr = ranges[l].begin;
*size = ranges[r - 1].end - ranges[l].begin;
Thanks,
Pranav
