The problem is tha openssl registers OPENSSL_cleanup() as atexit
handler, which called before destroying of SentryWriter, so to avoid
this problem, let's destroy it explicitly.
<details>
<summary>stack trace example</summary>
Thread 2 (Thread 0x7ffff54006c0 (LWP 24847) "clickhouse-serv"):
0 ___pthread_rwlock_rdlock (rwlock=0x0) at pthread_rwlock_rdlock.c:26
1 0x00000000164c18a9 in CRYPTO_THREAD_read_lock (lock=0x0) at threads_pthread.c:93
2 0x000000001642e6b9 in int_err_get_item (d=0x7ffff53f74e0) at err.c:192
...
7 ossl_connect_common (cf=0x7ffff7812c80, data=0x7ffff70a4c00, nonblocking=bool_true, done=0x7ffff53f834c) at openssl.c:4486
...
17 curl_easy_perform (data=data@entry=0x7ffff70a4c00) at easy.c:787
18 0x000000000b4c3854 in sentry__curl_send_task (_envelope=<optimized out>, _state=0x7ffff7074300) at sentry_transport_curl.c:225
19 0x000000000b4ba880 in worker_thread (data=0x7ffff70e5500) at sentry_sync.c:262
Thread 1 (Thread 0x7ffff7cb2c80 (LWP 24842) "clickhouse-serv"):
5 0x000000000b4bb0e2 in sentry__cond_wait_timeout (cv=0x7ffff70e5540, mutex=0x7ffff70e5570, msecs=250) at sentry_sync.h:332
6 sentry__bgworker_shutdown (bgw=0x7ffff70e5500, timeout=2000) at sentry_sync.c:412
7 0x000000000b4b3e95 in sentry_close () at sentry_core.c:238
8 0x000000000b4a5f1f in SentryWriter::~SentryWriter (this=0x7ffff71a1240) at SentryWriter.cpp:147
9 std::__1::default_delete<SentryWriter>::operator()[abi:v15000](SentryWriter*) const (this=0x7ffff70e5568, __ptr=0x7ffff71a1240) at unique_ptr.h:48
10 std::__1::unique_ptr<SentryWriter, std::__1::default_delete<SentryWriter> >::reset[abi:v15000](SentryWriter*) (this=0x7ffff70e5568, __p=0x0) at unique_ptr.h:305
11 std::__1::unique_ptr<SentryWriter, std::__1::default_delete<SentryWriter> >::~unique_ptr[abi:v15000]() (this=0x7ffff70e5568) at unique_ptr.h:259
12 0x00007ffff7de62e6 in __run_exit_handlers (status=0, listp=<optimized out>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:108
13 0x00007ffff7de642e in __GI_exit (status=<optimized out>) at exit.c:138
14 0x00007ffff7dccd51 in __libc_start_call_main (main=main@entry=0x6111c20 <main(int, char**)>, argc=argc@entry=13, argv=argv@entry=0x7fffffffb718) at libc_start_call_main.h:74
15 0x00007ffff7dcce0c in __libc_start_main_impl (main=0x6111c20 <main(int, char**)>, argc=13, argv=0x7fffffffb718, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffb708) at libc-start.c:360
(gdb) p req.body
$7 = 0x7ffff7816000 "{\"dsn\":\"...\"}\n{\"type\":\"session\",\"length\":190}\n{\"init\":true,\"sid\":\"...\",\"status\":\"exited\",\"errors\":0,\"started\":\"2024-05-08T20:29:23.253Z\",\"duration\":17.213,\"attrs\":{\"release\":\"24.5\",\"environment\":\"test\"}}"
</details>
P.S. Likely started happens after conversion to OpenSSL (#59870).
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>