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-rw-r--r--meta/recipes-connectivity/nfs-utils/files/fix-a-Gcc-undefined-behavior.patch38
-rw-r--r--meta/recipes-connectivity/nfs-utils/nfs-utils_1.3.0.bb1
2 files changed, 39 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/nfs-utils/files/fix-a-Gcc-undefined-behavior.patch b/meta/recipes-connectivity/nfs-utils/files/fix-a-Gcc-undefined-behavior.patch
new file mode 100644
index 0000000000..5843ba0fb9
--- /dev/null
+++ b/meta/recipes-connectivity/nfs-utils/files/fix-a-Gcc-undefined-behavior.patch
@@ -0,0 +1,38 @@
1[PATCH] fix a Gcc undefined behavior
2
3Upstream-Status: Pending
4
5Calling strncpy with NULL second argument, even when the size is 0,
6is undefined behavior, which leads to GCC to drop the check old
7variable with NULL in following code.
8
9https://bugzilla.yoctoproject.org/show_bug.cgi?id=6743
10
11Signed-off-by: Roy Li <rongqing.li@windriver.com>
12---
13 support/export/client.c | 9 +++++++--
14 1 file changed, 7 insertions(+), 2 deletions(-)
15
16diff --git a/support/export/client.c b/support/export/client.c
17index dbf47b9..a37ef69 100644
18--- a/support/export/client.c
19+++ b/support/export/client.c
20@@ -482,8 +482,13 @@ add_name(char *old, const char *add)
21 else
22 cp = cp + strlen(cp);
23 }
24- strncpy(new, old, cp-old);
25- new[cp-old] = 0;
26+
27+ if (old) {
28+ strncpy(new, old, cp-old);
29+ new[cp-old] = 0;
30+ } else
31+ new[0] = 0;
32+
33 if (cp != old && !*cp)
34 strcat(new, ",");
35 strcat(new, add);
36--
371.7.10.4
38
diff --git a/meta/recipes-connectivity/nfs-utils/nfs-utils_1.3.0.bb b/meta/recipes-connectivity/nfs-utils/nfs-utils_1.3.0.bb
index c813d7f61e..f1ef6d9a0c 100644
--- a/meta/recipes-connectivity/nfs-utils/nfs-utils_1.3.0.bb
+++ b/meta/recipes-connectivity/nfs-utils/nfs-utils_1.3.0.bb
@@ -31,6 +31,7 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/utils/nfs-utils/${PV}/nfs-utils-${PV}.tar.x
31 file://nfs-statd.service \ 31 file://nfs-statd.service \
32 file://nfs-utils-Do-not-pass-CFLAGS-to-gcc-while-building.patch \ 32 file://nfs-utils-Do-not-pass-CFLAGS-to-gcc-while-building.patch \
33 file://0001-statd-fixed-the-with-statdpath-flag.patch \ 33 file://0001-statd-fixed-the-with-statdpath-flag.patch \
34 file://fix-a-Gcc-undefined-behavior.patch \
34" 35"
35 36
36SRC_URI[md5sum] = "6e93a7997ca3a1eac56bf219adab72a8" 37SRC_URI[md5sum] = "6e93a7997ca3a1eac56bf219adab72a8"