diff --git a/debuggerd/tombstone.cpp b/debuggerd/tombstone.cpp
index 3ddd2b0aa..850676529 100644
--- a/debuggerd/tombstone.cpp
+++ b/debuggerd/tombstone.cpp
@@ -135,9 +135,14 @@ static const char* get_sigcode(int signo, int code) {
         case SEGV_ACCERR: return "SEGV_ACCERR";
 #if defined(SEGV_BNDERR)
         case SEGV_BNDERR: return "SEGV_BNDERR";
+#endif
+#if defined(SEGV_PKUERR)
+        case SEGV_PKUERR: return "SEGV_PKUERR";
 #endif
       }
-#if defined(SEGV_BNDERR)
+#if defined(SEGV_PKUERR)
+      static_assert(NSIGSEGV == SEGV_PKUERR, "missing SEGV_* si_code");
+#elif defined(SEGV_BNDERR)
       static_assert(NSIGSEGV == SEGV_BNDERR, "missing SEGV_* si_code");
 #else
       static_assert(NSIGSEGV == SEGV_ACCERR, "missing SEGV_* si_code");
diff --git a/libsync/sync.c b/libsync/sync.c
index d73bb111c..169dc3678 100644
--- a/libsync/sync.c
+++ b/libsync/sync.c
@@ -21,13 +21,27 @@
 #include <stdint.h>
 #include <string.h>
 
-#include <linux/sync.h>
 #include <linux/sw_sync.h>
 
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
+#include <sync/sync.h>
+
+// The sync code is undergoing a major change. Add enough in to get
+// everything to compile wih the latest uapi headers.
+struct sync_merge_data {
+  int32_t fd2;
+  char name[32];
+  int32_t fence;
+};
+
+#define SYNC_IOC_MAGIC '>'
+#define SYNC_IOC_WAIT _IOW(SYNC_IOC_MAGIC, 0, __s32)
+#define SYNC_IOC_MERGE _IOWR(SYNC_IOC_MAGIC, 1, struct sync_merge_data)
+#define SYNC_IOC_FENCE_INFO _IOWR(SYNC_IOC_MAGIC, 2, struct sync_fence_info_data)
+
 int sync_wait(int fd, int timeout)
 {
     __s32 to = timeout;