BT2 ``` #0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:74 #1 0x00007fa59a91e228 in __vfprintf_internal (s=s@entry=0xf78980, format=format@entry=0x881ca0 "%s: %.*s%s%s%sBUG: qm: fragm. %p (address %p) beginning overwritten (%lx)! Memory allocator was called from %s:%u. Fragment marked by %s:%lu. Exec from %s:%u.\n", ap=ap@entry=0x7ffe4cbb4210, mode_flags=mode_flags@entry=0) at vfprintf-internal.c:1647 #2 0x00007fa59a9e1c4a in __vsyslog_internal (pri=<optimized out>, fmt=0x881ca0 "%s: %.*s%s%s%sBUG: qm: fragm. %p (address %p) beginning overwritten (%lx)! Memory allocator was called from %s:%u. Fragment marked by %s:%lu. Exec from %s:%u.\n", ap=0x7ffe4cbb4210, mode_flags=0) at syslog.c:229 #3 0x00007fa59a9e212a in __syslog (pri=<optimized out>, fmt=<optimized out>) at syslog.c:109 #4 0x00000000006fac27 in qm_debug_check_frag (qm=0x7fa588343000, f=0x7fa58cf9ff30, file=0x7fa59871b6e5 "tlsa: ../tls/tls_init.c", line=326, efile=0x881b19 "core/mem/q_malloc.c", eline=511) at core/mem/q_malloc.c:123 #5 0x00000000006fee76 in qm_free (qmp=0x7fa588343000, p=0x7fa58cf9ff68, file=0x7fa59871b6e5 "tlsa: ../tls/tls_init.c", func=0x7fa59871d090 <__func__.0> "ser_free", line=326, mname=0x7fa59871b6e0 "tlsa") at core/mem/q_malloc.c:511 #6 0x000000000070997c in qm_shm_free (qmp=0x7fa588343000, p=0x7fa58cf9ff68, file=0x7fa59871b6e5 "tlsa: ../tls/tls_init.c", func=0x7fa59871d090 <__func__.0> "ser_free", line=326, mname=0x7fa59871b6e0 "tlsa") at core/mem/q_malloc.c:1350 #7 0x00007fa59844d337 in ser_free (ptr=0x7fa58cf9ff68, fname=0x7fa598758da8 "providers/implementations/kdfs/hkdf.c", fline=123) at ../tls/tls_init.c:326 #8 0x00007fa5985d5537 in kdf_hkdf_reset () from /usr/local/lib64/kamailio/modules/tlsa.so #9 0x00007fa5985d5b4e in kdf_hkdf_free () from /usr/local/lib64/kamailio/modules/tlsa.so #10 0x00007fa598534bc4 in EVP_KDF_CTX_free () from /usr/local/lib64/kamailio/modules/tlsa.so #11 0x00007fa5984a0758 in tls13_hkdf_expand () from /usr/local/lib64/kamailio/modules/tlsa.so #12 0x00007fa5984a097d in derive_secret_key_and_iv () from /usr/local/lib64/kamailio/modules/tlsa.so #13 0x00007fa5984a15c5 in tls13_change_cipher_state () from /usr/local/lib64/kamailio/modules/tlsa.so #14 0x00007fa5984c988a in ossl_statem_server_post_work () from /usr/local/lib64/kamailio/modules/tlsa.so #15 0x00007fa5984b82db in state_machine.part () from /usr/local/lib64/kamailio/modules/tlsa.so #16 0x00007fa59846cab2 in tls_accept (c=0x7fa58cf03ef0, error=0x7ffe4cbd4ca4) at ../tls/tls_server.c:468 #17 0x00007fa598477e81 in tls_h_read_f (c=0x7fa58cf03ef0, flags=0x7ffe4cbd50e0) at ../tls/tls_server.c:1173 #18 0x00000000006ac4ae in tcp_read_headers (c=0x7fa58cf03ef0, read_flags=0x7ffe4cbd50e0) at core/tcp_read.c:441 #19 0x00000000006b4686 in tcp_read_req (con=0x7fa58cf03ef0, bytes_read=0x7ffe4cbd50e4, read_flags=0x7ffe4cbd50e0) at core/tcp_read.c:1469 #20 0x00000000006b97b5 in handle_io (fm=0x7fa59897d728, events=1, idx=-1) at core/tcp_read.c:1780 #21 0x00000000006a720f in io_wait_loop_epoll (h=0x979f00 <io_w>, t=2, repeat=0) at core/io_wait.h:1070 #22 0x00000000006bc539 in tcp_receive_loop (unix_sock=23) at core/tcp_read.c:1976 #23 0x000000000069c18b in tcp_init_children (woneinit=0x7ffe4cbd549c) at core/tcp_main.c:5227 #24 0x000000000042fab9 in main_loop () at main.c:1849 #25 0x000000000043995c in main (argc=13, argv=0x7ffe4cbd5b98) at main.c:3078 ```