BUG/MINOR: startup: handle a possible strdup() failure

Fix unhandled strdup() failure when initializing global.log_tag.

Bug was introduced with the fix UAF for global progname pointer from
351ae5dbe. So it must be backported as far as 3.1.

diff --git a/src/haproxy.c b/src/haproxy.c
index 0ae755faaaea26c3848ca0ac405cb66584421fa3..48186a66a082a2ab57b9fe00e11bf0e8a09d9cf5 100644 (file)
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -1441,6 +1441,10 @@ static void init_early(int argc, char **argv)
        }
 
        chunk_initlen(&global.log_tag, strdup(progname), len, len);
+       if (b_orig(&global.log_tag) == NULL) {
+               ha_alert("Cannot allocate memory for log_tag.\n");
+               exit(EXIT_FAILURE);
+       }
 }
 
 /* handles program arguments. Very minimal parsing is performed, variables are