On 04/25/15 15:34, dE wrote: > On 04/21/15 15:22, dE wrote: >> On 04/20/15 00:10, Salz, Rich wrote: >>>> Sometimes, the program crashes when doing an SSL_CTX_free; before the >>>> crash, ctx is an invalid pointer, that's why I can get a valid >>>> value from >>>> SSL_CTX_get_max_cert_list (ctx), so it's not a double free problem. >>> You mean it's a VALID pointer? >>> >>> We'll need a more detailed backtrace. >>> _______________________________________________ >>> openssl-users mailing list >>> To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users >> >> Relevant parts of the BT >> >> #0 0x00007ffff54bde97 in raise () from /lib64/libc.so.6 >> #1 0x00007ffff54bf208 in abort () from /lib64/libc.so.6 >> #2 0x00007ffff54feea0 in ?? () from /lib64/libc.so.6 >> #3 0x00007ffff55048be in ?? () from /lib64/libc.so.6 >> #4 0x00007ffff55050ab in ?? () from /lib64/libc.so.6 >> #5 0x00007ffff6827f7c in CRYPTO_free (str=0x8fbfe0) at mem.c:401 >> #6 0x00007ffff67e99a0 in X509_VERIFY_PARAM_free (param=0x8fbfe0) at >> x509_vpm.c:102 >> #7 0x00007ffff6d5302a in SSL_CTX_free (a=0x8fe090) at ssl_lib.c:1944 > > libc BT needed also? Ok, more detailed BT #0 0x00007ffff6d5270d in ssl_session_hash (a=0x0) at ssl_lib.c:1674 #1 0x00007ffff6d527db in ssl_session_LHASH_HASH (arg=0x0) at ssl_lib.c:1699 #2 0x00007ffff6795daf in getrn (lh=0x8fcd80, data=0x0, rhash=0x7fffd67eb908) at lhash.c:411 #3 0x00007ffff679571a in lh_delete (lh=0x8fcd80, data=0x0) at lhash.c:224 #4 0x00007ffff6d58d33 in timeout_doall_arg (s=0x0, p=0x7fffd67eba40) at ssl_sess.c:988 #5 0x00007ffff6d58dc6 in timeout_LHASH_DOALL_ARG (arg1=0x0, arg2=0x7fffd67eba40) at ssl_sess.c:997 #6 0x00007ffff6795942 in doall_util_fn (lh=0x8fcd80, use_arg=1, func=0x0, func_arg=0x7ffff6d58d93 <timeout_LHASH_DOALL_ARG>, arg=0x7fffd67eba40) at lhash.c:292 #7 0x00007ffff67959d9 in lh_doall_arg (lh=0x8fcd80, func=0x7ffff6d58d93 <timeout_LHASH_DOALL_ARG>, arg=0x7fffd67eba40) at lhash.c:307 #8 0x00007ffff6d58e56 in SSL_CTX_flush_sessions (s=0x8fcec0, t=0) at ssl_sess.c:1011 #9 0x00007ffff6d53048 in SSL_CTX_free (a=0x8fcec0) at ssl_lib.c:1956
