Ken Giusti created PROTON-2851:
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Summary: crash in pn_tls_start() if pn_tls_config_t freed after
call to pn_tls()
Key: PROTON-2851
URL: https://issues.apache.org/jira/browse/PROTON-2851
Project: Qpid Proton
Issue Type: Bug
Components: proton-c
Affects Versions: proton-c-0.40.0
Reporter: Ken Giusti
Probably not a realistic use-case but freeing the pn_tls_config_t instance
after creating a pn_tls_t using it can crash:
{{int main(int argc, char *argv[])}}
{{{}}
{{ pn_tls_config_t *tls_conf = pn_tls_config(PN_TLS_MODE_CLIENT);}}
{{ pn_tls_t *tls_session = pn_tls(tls_conf);}}
{{ pn_tls_config_free(tls_conf);}}
{{ int rc = pn_tls_start(tls_session);}}
{{ if (rc != 0) {}}
{{ fprintf(stderr, "Failed to start TLS session (%d)\n", rc);}}
{{ return 1;}}
{{ }}}
{{ return 0;}}
{{}}}
{{Program terminated with signal SIGSEGV, Segmentation fault.}}
{{#0 SSL_new (ctx=0x26eeba0c) at ssl/ssl_lib.c:692}}
{{692 return ctx->method->ssl_new(ctx);}}
{{(gdb) bt}}
{{#0 SSL_new (ctx=0x26eeba0c) at ssl/ssl_lib.c:692}}
{{#1 0x00007ff5c45b472a in init_ssl_socket (ssl=0x26faf450, domain=0x26e7c6f0)
at /home/kgiusti/work/proton/qpid-proton/c/src/tls/openssl.c:1222}}
{{#2 0x00007ff5c45b4216 in pni_tls_init (ssl=0x26faf450, domain=0x26e7c6f0,
unused=0x0) at /home/kgiusti/work/proton/qpid-proton/c/src/tls/openssl.c:1100}}
{{#3 0x00007ff5c45b44a2 in pn_tls_start (tls=0x26faf450) at
/home/kgiusti/work/proton/qpid-proton/c/src/tls/openssl.c:1148}}
{{#4 0x000000000042f1d4 in main (argc=1, argv=0x7ffc35f79938) at
/home/kgiusti/tmp/skupper-router/tests/tls_relay.c:1351}}
{{(gdb) p *ctx}}
{{<garbage>}}
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