>> Could you add something like
>
> It's always linux-vdso.so.1, but wasn't that already known, given the
> ldd requested by Jakub?!?
Well, for me dlpi_name for vdso was empty string hence I kept asking. I
also thought that ldd and dl_iterate_phdr might have used slightly
different code paths when quering information from dynamic linker.
Could you check if the attached patch fixes the problem for you?
Note that I only did limited testing (RUNTESTFLAGS=asan.exp).
-Y
diff --git a/libsanitizer/asan/asan_linux.cc b/libsanitizer/asan/asan_linux.cc
index d893b23..11137d9 100644
--- a/libsanitizer/asan/asan_linux.cc
+++ b/libsanitizer/asan/asan_linux.cc
@@ -89,6 +89,10 @@ static int FindFirstDSOCallback(struct dl_phdr_info *info, size_t size,
if (!info->dlpi_name || info->dlpi_name[0] == 0)
return 0;
+ // Ignore vDSO
+ if (internal_strncmp(info->dlpi_name, "linux-", sizeof("linux-")) == 0)
+ return 0;
+
*(const char **)data = info->dlpi_name;
return 1;
}
