auth-worker fatal signal 11 core dump

[Anthony Carrico]

> Here is the stack trace:
> 
>             PID: 2084981 (auth)

Oh, and here is the stack trace of the other pid which also dumped:

$ sudo coredumpctl info 2084984
            PID: 2084984 (auth)
            UID: 0 (root)
            GID: 0 (root)
         Signal: 11 (SEGV)
      Timestamp: Tue 2023-04-04 22:11:56 EDT (11h ago)
   Command Line: dovecot/auth -w
     Executable: 
/nix/store/s72dc8pc6g70dscya8ggsvn61rnfhixy-dovecot-2.3.19.1/libexec/dovecot/auth
  Control Group: /system.slice/dovecot2.service
           Unit: dovecot2.service
          Slice: system.slice
       Hostname: silver
        Storage: 
/var/lib/systemd/coredump/core.auth.0.9fed479ad6ac4f0e8c2d5f290d9ea3f5.2084984.1680660716000000.zst 
(present)
      Disk Size: 322.7K
        Message: Process 2084984 (auth) of user 0 dumped core.

                 Module linux-vdso.so.1 with build-id 
7aefd45ed44b5302cf82d7b5093cd9b882b8bc8a
                 Module legacy.so with build-id 
fdd26faf7ff15c8fa78ef2091d38c5fb886da146
                 Module libscram.so.3 without build-id.
                 Module libdb-5.3.so without build-id.
                 Module libsasldb.so.3 without build-id.
                 Module libplain.so.3 without build-id.
                 Module libotp.so.3 without build-id.
                 Module liblogin.so.3 without build-id.
                 Module libgssapiv2.so.3 without build-id.
                 Module libkeyutils.so.1 without build-id.
                 Module libkrb5support.so.0 without build-id.
                 Module libcom_err.so.3 without build-id.
                 Module libk5crypto.so.3 without build-id.
                 Module libkrb5.so.3 without build-id.
                 Module libgssapi_krb5.so.2 without build-id.
                 Module libgs2.so.3 without build-id.
                 Module libdigestmd5.so.3 without build-id.
                 Module libcrammd5.so.3 without build-id.
                 Module libanonymous.so.3 without build-id.
                 Module libresolv.so.2 with build-id 
6bcddb1dd1be5b345df903815f364e5d967ae0ef
                 Module libdl.so.2 with build-id 
2e86539e324ffb14e185718fd284d3f3f2568f06
                 Module libm.so.6 with build-id 
5cc630080219b350d8f9e4573c65d2dd931ea978
                 Module libz.so.1 without build-id.
                 Module ld-linux-x86-64.so.2 with build-id 
3be2bc3749163683f612e0fb8169ce51f75742fe
                 Module libcrypto.so.3 with build-id 
ca321413716a256baa08042cb3f3c07a90cc82ce
                 Module libssl.so.3 with build-id 
4bf2aae91a0d91b0ca0a6fe1ab29b2b7653a17f6
                 Module libsasl2.so.3 without build-id.
                 Module libaudit.so.1 without build-id.
                 Module libc.so.6 with build-id 
3d6884d200ead572b7b89a4133f645c7a3c039ed
                 Module libpthread.so.0 with build-id 
0f7050f6ef81222c7290351dfa67e5e062c797bf
                 Module libsqlite3.so.0 with build-id 
174a69054606e27a1c555838b07035346e83bfb0
                 Module libsodium.so.23 with build-id 
1c1e5b232aa14bf5c942b3568bf70713da9ad11f
                 Module liblber.so.2 without build-id.
                 Module libldap.so.2 without build-id.
                 Module libpam.so.0 without build-id.
                 Module libcrypt.so.1 without build-id.
                 Module libdovecot.so.0 without build-id.
                 Module libstats_auth.so without build-id.
                 Module auth without build-id.
                 Stack trace of thread 2084984:
                 #0  0x00007fdacaa8e824 
pthread_rwlock_rdlock at GLIBC_2.2.5 (libc.so.6 + 0x8e824)
                 #1  0x00007fdaca6312d9 CRYPTO_THREAD_read_lock 
(libcrypto.so.3 + 0x2312d9)
                 #2  0x00007fdaca61ea57 ossl_lib_ctx_get_data 
(libcrypto.so.3 + 0x21ea57)
                 #3  0x00007fdaca62d460 
ossl_provider_deregister_child_cb (libcrypto.so.3 + 0x22d460)
                 #4  0x00007fdaca61e960 OSSL_LIB_CTX_free 
(libcrypto.so.3 + 0x21e960)
                 #5  0x00007fdac9fd2801 legacy_teardown (legacy.so + 0x7801)
                 #6  0x00007fdaca62ebfd ossl_provider_free 
(libcrypto.so.3 + 0x22ebfd)
                 #7  0x00007fdaca5f535b evp_cipher_free_int 
(libcrypto.so.3 + 0x1f535b)
                 #8  0x00007fdaca99046c SSL_CTX_free (libssl.so.3 + 0x3d46c)
                 #9  0x00007fdacae832f5 ldap_int_tls_destroy 
(libldap.so.2 + 0x3d2f5)
                 #10 0x00007fdacb0dbbde _dl_fini (ld-linux-x86-64.so.2 + 
0x5bde)
                 #11 0x00007fdacaa400c5 __run_exit_handlers (libc.so.6 + 
0x400c5)
                 #12 0x00007fdacaa4024e exit (libc.so.6 + 0x4024e)
                 #13 0x00007fdacaa29255 __libc_start_call_main 
(libc.so.6 + 0x29255)
                 #14 0x00007fdacaa29309 __libc_start_main@@GLIBC_2.34 
(libc.so.6 + 0x29309)
                 #15 0x0000560ebbd58675 _start (auth + 0x18675)
                 ELF object binary architecture: AMD x86-64