Module Name: src
Committed By: kamil
Date: Tue May 28 03:56:46 UTC 2019
Modified Files:
src/sys/netinet6: in6.h
Log Message:
Decorate struct in6_addr with the __packed attribute
This avoids undefined behavior when accessing misaligned pointers.
Detected by kUBSan.
Patch by Akul Pillai.
To generate a diff of this commit:
cvs rdiff -u -r1.94 -r1.95 src/sys/netinet6/in6.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/netinet6/in6.h
diff -u src/sys/netinet6/in6.h:1.94 src/sys/netinet6/in6.h:1.95
--- src/sys/netinet6/in6.h:1.94 Mon Dec 10 16:28:52 2018
+++ src/sys/netinet6/in6.h Tue May 28 03:56:46 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: in6.h,v 1.94 2018/12/10 16:28:52 christos Exp $ */
+/* $NetBSD: in6.h,v 1.95 2019/05/28 03:56:46 kamil Exp $ */
/* $KAME: in6.h,v 1.83 2001/03/29 02:55:07 jinmei Exp $ */
/*
@@ -126,7 +126,7 @@ struct in6_addr {
__uint16_t __u6_addr16[8];
uint32_t __u6_addr32[4];
} __u6_addr; /* 128-bit IP6 address */
-};
+} __packed;
#define s6_addr __u6_addr.__u6_addr8
#ifdef _KERNEL /* XXX nonstandard */
