[PATCH 5/6] Extend buf size to avoid format truncation

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From: Honggang Li <honli@xxxxxxxxxx>

make[2]: Entering directory '/home/honli/upstream-repos/opensm/opensm'
depbase=`echo osm_sm_mad_ctrl.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../include -I../include/opensm  -I./../include -I./../../libibumad/include -I/usr/local/include   -Werror -Wall -Wwrite-strings -g -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE=1 -g -O2 -MT osm_sm_mad_ctrl.o -MD -MP -MF $depbase.Tpo -c -o osm_sm_mad_ctrl.o osm_sm_mad_ctrl.c &&\
mv -f $depbase.Tpo $depbase.Po
osm_sm_mad_ctrl.c: In function ‘log_rcv_cb_error’:
osm_sm_mad_ctrl.c:571:28: error: ‘%s’ directive output may be truncated writing up to 4095 bytes into a region of size 4078 [-Werror=format-truncation=]
     "\n\t\t\tInitial path: %s Return path: %s",
                            ^~
     ipath, rpath);
     ~~~~~
osm_sm_mad_ctrl.c:570:3: note: ‘snprintf’ output between 33 and 8223 bytes into a destination of size 4096
   snprintf(buf, sizeof(buf),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~
     "\n\t\t\tInitial path: %s Return path: %s",
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     ipath, rpath);
     ~~~~~~~~~~~~~
cc1: all warnings being treated as errors

Signed-off-by: Honggang Li <honli@xxxxxxxxxx>
---
 opensm/osm_sm_mad_ctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/opensm/osm_sm_mad_ctrl.c b/opensm/osm_sm_mad_ctrl.c
index ebac55877f76..1f548a9faa77 100644
--- a/opensm/osm_sm_mad_ctrl.c
+++ b/opensm/osm_sm_mad_ctrl.c
@@ -556,7 +556,7 @@ static void sm_mad_ctrl_process_trap_repress(IN osm_sm_mad_ctrl_t * p_ctrl,
 
 static void log_rcv_cb_error(osm_log_t *p_log, ib_smp_t *p_smp, ib_net16_t status)
 {
-	char buf[BUF_SIZE];
+	char buf[BUF_SIZE*3];
 	uint32_t i;
 
 	if (p_smp->mgmt_class == IB_MCLASS_SUBN_DIR) {
-- 
2.15.0-rc1

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