Allow syscalls relevant for dynamic startup when sanitizers are used

Static linking with sanitizers is not possible on ELF platforms. PiperOrigin-RevId: 640128022 Change-Id: I3cfdb0737b12803c9682a0994bf0fce272929652
google · Jun 4, 2024 · 7ed1080 · 7ed1080
1 parent ad5c5cf
commit 7ed1080
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/sandboxed_api/sandbox2/policybuilder.cc b/sandboxed_api/sandbox2/policybuilder.cc
@@ -389,6 +389,10 @@ PolicyBuilder& PolicyBuilder::AllowLlvmSanitizers() {
  // https://github.com/llvm/llvm-project/blob/9aa39481d9eb718e872993791547053a3c1f16d5/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp#L150
  // https://sourceware.org/git/?p=glibc.git;a=blob;f=nptl/pthread_getattr_np.c;h=de7edfa0928224eb8375e2fe894d6677570fbb3b;hb=HEAD#l188
  AllowSyscall(__NR_sched_getaffinity);
+ // https://github.com/llvm/llvm-project/blob/3cabbf60393cc8d55fe635e35e89e5973162de33/compiler-rt/lib/interception/interception.h#L352
+#ifdef __ELF__
+ AllowDynamicStartup();
+#endif
  // https://github.com/llvm/llvm-project/blob/02c2b472b510ff55679844c087b66e7837e13dc2/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp#L434
 #ifdef __NR_readlink
  OverridableBlockSyscallWithErrno(__NR_readlink, ENOENT);