Crash report If an unexisting parameter name is used with MODULE LOADEX the server crashes.

Test with rejson.so 127.0.0.1:6379> module loadex /tmp/rejson.so CONFIG invalid_config 1 Error: Server closed the connection (0.52s)
2365:M 12 Nov 2024 09:51:38.159 * Module 'ReJSON' loaded from /tmp/rejson.so
2365:M 12 Nov 2024 09:51:38.159 # Loadex configurations were not applied, likely due to invalid arguments. Unloading the module.


=== REDIS BUG REPORT START: Cut & paste starting from here ===
2365:M 12 Nov 2024 09:51:38.159 # Redis 255.255.255 crashed by signal: 11, si_code: 2
2365:M 12 Nov 2024 09:51:38.159 # Accessing address: 0x0
2365:M 12 Nov 2024 09:51:38.159 # Crashed running the instruction at: 0x1007a1ef0

------ STACK TRACE ------
EIP:
0   redis-server-unstable               0x00000001007a1ef0 moduleUnload + 116

Backtrace:
0   libsystem_platform.dylib            0x000000018e0ba584 _sigtramp + 56
Test with redisearch.so
127.0.0.1:6379> module loadex /tmp/redisearch.so CONFIG invalid_config 1
Error: Server closed the connection
(0.52s)
1730:M 12 Nov 2024 09:50:18.976 * Module 'search' loaded from /tmp/redisearch.so
1730:M 12 Nov 2024 09:50:18.976 # Loadex configurations were not applied, likely due to invalid arguments. Unloading the module.


=== REDIS BUG REPORT START: Cut & paste starting from here ===
1730:M 12 Nov 2024 09:50:18.976 # Redis 255.255.255 crashed by signal: 11, si_code: 2
1730:M 12 Nov 2024 09:50:18.976 # Accessing address: 0x0
1730:M 12 Nov 2024 09:50:18.976 # Crashed running the instruction at: 0x10257def0

------ STACK TRACE ------
EIP:
0   redis-server-unstable               0x000000010257def0 moduleUnload + 116

Backtrace:
0   libsystem_platform.dylib            0x000000018e0ba584 _sigtramp + 56

The cause seems to be the invocation of moduleUnload with `const char **errmsg = NULL` https://github.com/redis/redis/blob/cf838038802b6d5049e3368953a3a737dd3aaee5/src/module.c#L12374 **Comment From: sundb** @nafraf do you wanna make a PR to fix it? **Comment From: nafraf** Yes, sure. I'll do it. Thanks. **Comment From: sundb** Fix via https://github.com/redis/redis/pull/13653