[PATCH] Core: free connections and read/write events at shutdown

[Piotr Sikora via nginx-devel]

# HG changeset patch
# User Piotr Sikora <pi...@aviatrix.com>
# Date 1708977616 0
#      Mon Feb 26 20:00:16 2024 +0000
# Branch patch002
# Node ID f8d9fb94eab212f6e640b7a68ed111562e3157d5
# Parent  a8a592b9b62eff7bca03e8b46669f59d2da689ed
Core: free connections and read/write events at shutdown.

Found with LeakSanitizer.

Signed-off-by: Piotr Sikora <pi...@aviatrix.com>

diff -r a8a592b9b62e -r f8d9fb94eab2 src/os/unix/ngx_process_cycle.c
--- a/src/os/unix/ngx_process_cycle.c   Mon Feb 26 20:00:11 2024 +0000
+++ b/src/os/unix/ngx_process_cycle.c   Mon Feb 26 20:00:16 2024 +0000
@@ -940,6 +940,7 @@
 ngx_worker_process_exit(ngx_cycle_t *cycle)
 {
     ngx_uint_t         i;
+    ngx_event_t       *rev, *wev;
     ngx_connection_t  *c;
 
     for (i = 0; cycle->modules[i]; i++) {
@@ -989,8 +990,16 @@
     ngx_exit_cycle.files_n = ngx_cycle->files_n;
     ngx_cycle = &ngx_exit_cycle;
 
+    c = cycle->connections;
+    rev = cycle->read_events;
+    wev = cycle->write_events;
+
     ngx_destroy_pool(cycle->pool);
 
+    ngx_free(c);
+    ngx_free(rev);
+    ngx_free(wev);
+
     ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, "exit");
 
     exit(0);
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