diff --git a/include/protobuf.h b/include/protobuf.h
index 222a1739f..2ea9e841d 100644
--- a/include/protobuf.h
+++ b/include/protobuf.h
@@ -50,6 +50,7 @@ enum {
 	PB_IDS,
 	PB_PAGEMAP_HEAD,
 	PB_PAGEMAP,
+	PB_SIGINFO,
 
 	PB_MAX
 };
diff --git a/protobuf.c b/protobuf.c
index d5dde4766..ad4c87a66 100644
--- a/protobuf.c
+++ b/protobuf.c
@@ -52,6 +52,7 @@
 #include "protobuf/file-lock.pb-c.h"
 #include "protobuf/rlimit.pb-c.h"
 #include "protobuf/pagemap.pb-c.h"
+#include "protobuf/siginfo.pb-c.h"
 
 typedef size_t (*pb_getpksize_t)(void *obj);
 typedef size_t (*pb_pack_t)(void *obj, void *where);
@@ -135,6 +136,7 @@ void cr_pb_init(void)
 	CR_PB_DESC(RLIMIT,		Rlimit,		rlimit);
 	CR_PB_MDESC_INIT(cr_pb_descs[PB_PAGEMAP_HEAD],	PagemapHead,	pagemap_head);
 	CR_PB_DESC(PAGEMAP,		Pagemap,	pagemap);
+	CR_PB_DESC(SIGINFO,		Siginfo,	siginfo);
 }
 
 /*
diff --git a/protobuf/Makefile b/protobuf/Makefile
index de3bf112a..1db47d3c2 100644
--- a/protobuf/Makefile
+++ b/protobuf/Makefile
@@ -51,6 +51,7 @@ proto-obj-y	+= tty.o
 proto-obj-y	+= file-lock.o
 proto-obj-y	+= rlimit.o
 proto-obj-y	+= pagemap.o
+proto-obj-y	+= siginfo.o
 
 proto		:= $(proto-obj-y:.o=)
 proto-c		:= $(proto-obj-y:.o=.pb-c.c)
diff --git a/protobuf/siginfo.proto b/protobuf/siginfo.proto
new file mode 100644
index 000000000..e43eb88d9
--- /dev/null
+++ b/protobuf/siginfo.proto
@@ -0,0 +1,3 @@
+message siginfo_entry {
+	required bytes siginfo = 1;
+}