Accepting request 540066 from home:BinLiu:branches:network:ha-clustering:Factory
- gcc: snprintf gives warning: ‘%s’ directive output may be truncated writing
8 bytes into a region of size between 1 and 255(nsc#1066090)
Added: 0006-Fix-compile-warnings-with-GCC-7.2.1.patch
OBS-URL: https://build.opensuse.org/request/show/540066
OBS-URL: https://build.opensuse.org/package/show/network:ha-clustering:Factory/corosync?expand=0&rev=117
This commit is contained in:
Bin Liu
Git OBS Bridge
parent
4c8b0e71aa
commit
a9ba154cbc
172
0006-Fix-compile-warnings-with-GCC-7.2.1.patch
Normal file
172
0006-Fix-compile-warnings-with-GCC-7.2.1.patch
Normal file
@ -0,0 +1,172 @@
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1. sam: Fix snprintf compiler warnings
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2. cpg_test_agent: Fix snprintf compiler warnings
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3. quorumtool: Use full buffer size in snprintf
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4. readdir_r is deprecated in glibc 2.24 in favor of readdir
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---
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cts/agents/cpg_test_agent.c | 8 ++++----
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exec/coroparse.c | 18 +++---------------
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lib/sam.c | 36 ++++++++++++++++++++++++++++--------
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tools/corosync-quorumtool.c | 2 +-
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4 files changed, 36 insertions(+), 28 deletions(-)
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diff --git a/cts/agents/cpg_test_agent.c b/cts/agents/cpg_test_agent.c
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index 0837c69c..2224141c 100644
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--- a/cts/agents/cpg_test_agent.c
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+++ b/cts/agents/cpg_test_agent.c
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@@ -211,8 +211,8 @@ static void config_change_callback (
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if (record_config_events_g > 0) {
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log_pt = malloc (sizeof(log_entry_t));
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list_init (&log_pt->list);
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- snprintf (log_pt->log, LOG_STR_SIZE, "%s,%u,%u,left",
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- groupName->value, left_list[i].nodeid,left_list[i].pid);
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+ assert(snprintf (log_pt->log, LOG_STR_SIZE, "%s,%u,%u,left",
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+ groupName->value, left_list[i].nodeid,left_list[i].pid) < LOG_STR_SIZE);
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list_add_tail(&log_pt->list, &config_chg_log_head);
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qb_log (LOG_INFO, "cpg event %s", log_pt->log);
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}
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@@ -221,8 +221,8 @@ static void config_change_callback (
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if (record_config_events_g > 0) {
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log_pt = malloc (sizeof(log_entry_t));
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list_init (&log_pt->list);
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- snprintf (log_pt->log, LOG_STR_SIZE, "%s,%u,%u,join",
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- groupName->value, joined_list[i].nodeid,joined_list[i].pid);
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+ assert(snprintf (log_pt->log, LOG_STR_SIZE, "%s,%u,%u,join",
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+ groupName->value, joined_list[i].nodeid,joined_list[i].pid) < LOG_STR_SIZE);
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list_add_tail (&log_pt->list, &config_chg_log_head);
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qb_log (LOG_INFO, "cpg event %s", log_pt->log);
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}
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diff --git a/exec/coroparse.c b/exec/coroparse.c
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index 2777a632..96bb83a5 100644
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--- a/exec/coroparse.c
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+++ b/exec/coroparse.c
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@@ -1241,11 +1241,8 @@ static int read_uidgid_files_into_icmap(
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const char *dirname;
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DIR *dp;
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struct dirent *dirent;
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- struct dirent *entry;
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char filename[PATH_MAX + FILENAME_MAX + 1];
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int res = 0;
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- size_t len;
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- int return_code;
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struct stat stat_buf;
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enum main_cp_cb_data_state state = MAIN_CP_CB_DATA_STATE_NORMAL;
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char key_name[ICMAP_KEYNAME_MAXLEN];
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@@ -1256,17 +1253,9 @@ static int read_uidgid_files_into_icmap(
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if (dp == NULL)
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return 0;
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- len = offsetof(struct dirent, d_name) + FILENAME_MAX + 1;
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-
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- entry = malloc(len);
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- if (entry == NULL) {
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- res = 0;
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- goto error_exit;
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- }
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-
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- for (return_code = readdir_r(dp, entry, &dirent);
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- dirent != NULL && return_code == 0;
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- return_code = readdir_r(dp, entry, &dirent)) {
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+ for (dirent = readdir(dp);
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+ dirent != NULL;
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+ dirent = readdir(dp)) {
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snprintf(filename, sizeof (filename), "%s/%s", dirname, dirent->d_name);
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res = stat (filename, &stat_buf);
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@@ -1288,7 +1277,6 @@ static int read_uidgid_files_into_icmap(
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}
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error_exit:
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- free (entry);
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closedir(dp);
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return res;
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diff --git a/lib/sam.c b/lib/sam.c
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index 33aa3944..527b99cb 100644
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--- a/lib/sam.c
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+++ b/lib/sam.c
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@@ -145,6 +145,7 @@ static cs_error_t sam_cmap_update_key (enum sam_cmap_key_t key, const char *valu
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cs_error_t err;
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const char *svalue;
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uint64_t hc_period, last_hc;
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+
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const char *ssvalue[] = { [SAM_RECOVERY_POLICY_QUIT] = "quit", [SAM_RECOVERY_POLICY_RESTART] = "restart" };
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char key_name[CMAP_KEYNAME_MAXLEN];
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@@ -152,8 +153,13 @@ static cs_error_t sam_cmap_update_key (enum sam_cmap_key_t key, const char *valu
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case SAM_CMAP_KEY_RECOVERY:
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svalue = ssvalue[SAM_RP_MASK (sam_internal_data.recovery_policy)];
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- snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
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- "recovery");
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+ if (snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
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+ "recovery") >= CMAP_KEYNAME_MAXLEN) {
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+
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+ err = CS_ERR_NAME_TOO_LONG;
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+ goto exit_error;
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+ }
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+
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if ((err = cmap_set_string(sam_internal_data.cmap_handle, key_name, svalue)) != CS_OK) {
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goto exit_error;
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}
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@@ -161,8 +167,13 @@ static cs_error_t sam_cmap_update_key (enum sam_cmap_key_t key, const char *valu
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case SAM_CMAP_KEY_HC_PERIOD:
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hc_period = sam_internal_data.time_interval;
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- snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
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- "poll_period");
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+ if (snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
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+ "poll_period") >= CMAP_KEYNAME_MAXLEN) {
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+
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+ err = CS_ERR_NAME_TOO_LONG;
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+ goto exit_error;
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+ }
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+
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if ((err = cmap_set_uint64(sam_internal_data.cmap_handle, key_name, hc_period)) != CS_OK) {
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goto exit_error;
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}
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@@ -170,16 +181,25 @@ static cs_error_t sam_cmap_update_key (enum sam_cmap_key_t key, const char *valu
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case SAM_CMAP_KEY_LAST_HC:
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last_hc = cs_timestamp_get();
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- snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
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- "last_updated");
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+ if (snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
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+ "last_updated") >= CMAP_KEYNAME_MAXLEN) {
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+
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+ err = CS_ERR_NAME_TOO_LONG;
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+ goto exit_error;
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+ }
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if ((err = cmap_set_uint64(sam_internal_data.cmap_handle, key_name, last_hc)) != CS_OK) {
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goto exit_error;
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}
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break;
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case SAM_CMAP_KEY_STATE:
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svalue = value;
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- snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
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- "state");
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+ if (snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
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+ "state") >= CMAP_KEYNAME_MAXLEN) {
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+
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+ err = CS_ERR_NAME_TOO_LONG;
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+ goto exit_error;
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+ }
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+
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if ((err = cmap_set_string(sam_internal_data.cmap_handle, key_name, svalue)) != CS_OK) {
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goto exit_error;
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}
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diff --git a/tools/corosync-quorumtool.c b/tools/corosync-quorumtool.c
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index 52c141ce..19696659 100644
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--- a/tools/corosync-quorumtool.c
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+++ b/tools/corosync-quorumtool.c
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@@ -519,7 +519,7 @@ static void display_nodes_data(nodeid_format_t nodeid_format, name_format_t name
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if (info[i].flags & VOTEQUORUM_INFO_QDEVICE_REGISTERED) {
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char buf[10];
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- snprintf(buf, sizeof(buf) - 1,
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+ snprintf(buf, sizeof(buf),
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"%s,%s,%s",
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info[i].flags & VOTEQUORUM_INFO_QDEVICE_ALIVE?"A":"NA",
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info[i].flags & VOTEQUORUM_INFO_QDEVICE_CAST_VOTE?"V":"NV",
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--
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2.13.6
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@ -1,3 +1,10 @@
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-------------------------------------------------------------------
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Thu Nov 9 03:06:36 UTC 2017 - bliu@suse.com
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- gcc: snprintf gives warning: ‘%s’ directive output may be truncated writing
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8 bytes into a region of size between 1 and 255(nsc#1066090)
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Added: 0006-Fix-compile-warnings-with-GCC-7.2.1.patch
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-------------------------------------------------------------------
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Mon Nov 6 09:14:55 UTC 2017 - bliu@suse.com
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@ -62,6 +62,7 @@ Patch9: 0002-fix-ifdown-udp.patch
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Patch10: 0003-fix-tmpfiles-create.patch
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Patch11: 0004-mark-corosync-as-a-static-service.patch
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Patch12: 0005-do-not-convert-empty-uid-gid-to-0.patch
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Patch13: 0006-Fix-compile-warnings-with-GCC-7.2.1.patch
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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# openais is indeed gone and should be uninstalled. Yes, we do not
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@ -139,6 +140,7 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-build
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%patch10 -p1
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%patch11 -p1
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%patch12 -p1
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%patch13 -p1
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%build
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%if %{with runautogen}
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