[Libguestfs] [PATCH nbdkit v2 2/2] wrapper: Remove GLIBC_TUNABLES when running under valgrind

[Richard W.M. Jones]

---
 wrapper.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/wrapper.c b/wrapper.c
index ed77a0a1..42a0cd88 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -220,6 +220,15 @@ main (int argc, char *argv[])
      * https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/57EYTAFQJVVG4APOV6AMM7C26H77IQEC/
      */
     unsetenv ("DEBUGINFOD_URLS");
+
+    /* Temporary(?) workaround for:
+     * https://sourceware.org/bugzilla/show_bug.cgi?id=28256
+     *
+     * But should we actually use malloc checking etc when we are
+     * valgrinding?  It seems to duplicate work done by valgrind and
+     * might even hide issues.
+     */
+    unsetenv ("GLIBC_TUNABLES");
   }
   else {
     s = getenv ("NBDKIT_GDB");
-- 
2.32.0