diff options
| -rw-r--r-- | src/tools/sss_debuglevel.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/tools/sss_debuglevel.c b/src/tools/sss_debuglevel.c index 603ae166..908518b1 100644 --- a/src/tools/sss_debuglevel.c +++ b/src/tools/sss_debuglevel.c @@ -319,6 +319,7 @@ fail: errno_t get_sssd_pid(pid_t *out_pid) { int ret; + size_t fsize; FILE *pid_file = NULL; char pid_str[MAX_PID_LENGTH] = {'\0'}; @@ -333,7 +334,8 @@ errno_t get_sssd_pid(pid_t *out_pid) goto done; } - fread(pid_str, sizeof(char), MAX_PID_LENGTH * sizeof(char), pid_file); + fsize = fread(pid_str, sizeof(char), MAX_PID_LENGTH * sizeof(char), + pid_file); if (!feof(pid_file)) { /* eof not reached */ ret = ferror(pid_file); @@ -346,6 +348,12 @@ errno_t get_sssd_pid(pid_t *out_pid) } goto done; } + if (fsize == 0) { + DEBUG(SSSDBG_CRIT_FAILURE, ("File \"%s\" contains no pid.\n", + SSSD_PIDFILE)); + ret = EINVAL; + goto done; + } pid_str[MAX_PID_LENGTH-1] = '\0'; *out_pid = parse_pid(pid_str); |