This looks like you're trying to use a library compiled for multithreading without providing it the address of a lock or unlock function.
This is, incidentally, programmer FAQ #1, readable at http://openssl.org/support/faq.html#PROG1 . -Kyle H On Thu, Jun 11, 2009 at 8:56 AM, Neil Youngman<n...@youngman.org.uk> wrote: > I've got some crashes happening in i2d_X509_CINF(). I've manged to generate > the valgrind trace below indicating where it's happening, but it's not yet > obvious to me why it should happen. It's in some code that's been stable for > ages (hence 0.9.6b) but there seems to be a rare situation in which it > crashes with a SIGSEGV. > > Can anyone who is more familiar with openssl than me suggest what could cause > this, or even where to look next? Or should I take this to the developers > list? > > Note that I've cut out a number of "Conditional jump or move depends on > uninitialised value(s)" messages that I don't believe are relevant. > > Neil Youngman > > > ==1385== Invalid read of size 4 > ==1385== at 0x41A3B23: CRYPTO_add_lock (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x406A328: ssl_cert_dup (in /lib/libssl.so.0.9.6b) > ==1385== by 0x4067255: SSL_new (in /lib/libssl.so.0.9.6b) > ==1385== by 0x80622E9: starttls_create_ssl (smtp-tls.c:358) > ==1385== by 0x8062A7C: rsp_starttls (smtp-tls.c:721) > ==1385== by 0x8064AA1: do_session (protocol.c:364) > ==1385== by 0x8059E7A: sendMessage(std::string const&, std::string const&, > std::string const&, std::string const&, std::multimap<std::string, > std::string, std::less<std::string>, std::allocator<std::pair<std::string > const, std::string> > >&, std::multimap<std::string, std::string, > std::less<std::string>, std::allocator<std::pair<std::string const, > std::string> > >&, std::string const&, int, std::string const&, std::string&, > std::string&, bool) (smtp.cpp:834) > ==1385== by 0x805D090: sendFile(std::string const&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, std::string&, > std::string&, std::string&, int&) (smtp.cpp:1314) > ==1385== by 0x804DB02: main (main.cpp:228) > ==1385== Address 0x49b14e8 is 16 bytes inside a block of size 84 free'd > ==1385== at 0x40196BD: free (vg_replace_malloc.c:323) > ==1385== by 0x41A3FF1: CRYPTO_free (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x41EFC9B: X509_free (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x406A4B2: ssl_cert_free (in /lib/libssl.so.0.9.6b) > ==1385== by 0x40677D5: SSL_free (in /lib/libssl.so.0.9.6b) > ==1385== by 0x8066352: sio_detach (siobuf.c:147) > ==1385== by 0x8064B4D: do_session (protocol.c:385) > ==1385== by 0x8059E7A: sendMessage(std::string const&, std::string const&, > std::string const&, std::string const&, std::multimap<std::string, > std::string, std::less<std::string>, std::allocator<std::pair<std::string > const, std::string> > >&, std::multimap<std::string, std::string, > std::less<std::string>, std::allocator<std::pair<std::string const, > std::string> > >&, std::string const&, int, std::string const&, std::string&, > std::string&, bool) (smtp.cpp:834) > ==1385== by 0x805D090: sendFile(std::string const&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, std::string&, > std::string&, std::string&, int&) (smtp.cpp:1314) > ==1385== by 0x804DB02: main (main.cpp:228) > ==1385== > ==1385== Invalid write of size 4 > ==1385== at 0x41A3B27: CRYPTO_add_lock (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x406A328: ssl_cert_dup (in /lib/libssl.so.0.9.6b) > ==1385== by 0x4067255: SSL_new (in /lib/libssl.so.0.9.6b) > ==1385== by 0x80622E9: starttls_create_ssl (smtp-tls.c:358) > ==1385== by 0x8062A7C: rsp_starttls (smtp-tls.c:721) > ==1385== by 0x8064AA1: do_session (protocol.c:364) > ==1385== by 0x8059E7A: sendMessage(std::string const&, std::string const&, > std::string const&, std::string const&, std::multimap<std::string, > std::string, std::less<std::string>, std::allocator<std::pair<std::string > const, std::string> > >&, std::multimap<std::string, std::string, > std::less<std::string>, std::allocator<std::pair<std::string const, > std::string> > >&, std::string const&, int, std::string const&, std::string&, > std::string&, bool) (smtp.cpp:834) > ==1385== by 0x805D090: sendFile(std::string const&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, std::string&, > std::string&, std::string&, int&) (smtp.cpp:1314) > ==1385== by 0x804DB02: main (main.cpp:228) > ==1385== Address 0x49b14e8 is 16 bytes inside a block of size 84 free'd > ==1385== at 0x40196BD: free (vg_replace_malloc.c:323) > ==1385== by 0x41A3FF1: CRYPTO_free (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x41EFC9B: X509_free (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x406A4B2: ssl_cert_free (in /lib/libssl.so.0.9.6b) > ==1385== by 0x40677D5: SSL_free (in /lib/libssl.so.0.9.6b) > ==1385== by 0x8066352: sio_detach (siobuf.c:147) > ==1385== by 0x8064B4D: do_session (protocol.c:385) > ==1385== by 0x8059E7A: sendMessage(std::string const&, std::string const&, > std::string const&, std::string const&, std::multimap<std::string, > std::string, std::less<std::string>, std::allocator<std::pair<std::string > const, std::string> > >&, std::multimap<std::string, std::string, > std::less<std::string>, std::allocator<std::pair<std::string const, > std::string> > >&, std::string const&, int, std::string const&, std::string&, > std::string&, bool) (smtp.cpp:834) > ==1385== by 0x805D090: sendFile(std::string const&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, std::string&, > std::string&, std::string&, int&) (smtp.cpp:1314) > ==1385== by 0x804DB02: main (main.cpp:228) > ==1385== > ==1385== Invalid read of size 4 > ==1385== at 0x41EF887: i2d_X509 (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x40638F0: ssl3_output_cert_chain (in /lib/libssl.so.0.9.6b) > ==1385== by 0x405FC1D: ssl3_send_client_certificate > (in /lib/libssl.so.0.9.6b) > ==1385== by 0x405D96C: ssl3_connect (in /lib/libssl.so.0.9.6b) > ==1385== by 0x406801F: SSL_connect (in /lib/libssl.so.0.9.6b) > ==1385== by 0x8066426: sio_set_tlsclient_ssl (siobuf.c:203) > ==1385== by 0x8062A87: rsp_starttls (smtp-tls.c:721) > ==1385== by 0x8064AA1: do_session (protocol.c:364) > ==1385== by 0x8059E7A: sendMessage(std::string const&, std::string const&, > std::string const&, std::string const&, std::multimap<std::string, > std::string, std::less<std::string>, std::allocator<std::pair<std::string > const, std::string> > >&, std::multimap<std::string, std::string, > std::less<std::string>, std::allocator<std::pair<std::string const, > std::string> > >&, std::string const&, int, std::string const&, std::string&, > std::string&, bool) (smtp.cpp:834) > ==1385== by 0x805D090: sendFile(std::string const&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, std::string&, > std::string&, std::string&, int&) (smtp.cpp:1314) > ==1385== by 0x804DB02: main (main.cpp:228) > ==1385== Address 0x49b14d8 is 0 bytes inside a block of size 84 free'd > ==1385== at 0x40196BD: free (vg_replace_malloc.c:323) > ==1385== by 0x41A3FF1: CRYPTO_free (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x41EFC9B: X509_free (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x406A4B2: ssl_cert_free (in /lib/libssl.so.0.9.6b) > ==1385== by 0x40677D5: SSL_free (in /lib/libssl.so.0.9.6b) > ==1385== by 0x8066352: sio_detach (siobuf.c:147) > ==1385== by 0x8064B4D: do_session (protocol.c:385) > ==1385== by 0x8059E7A: sendMessage(std::string const&, std::string const&, > std::string const&, std::string const&, std::multimap<std::string, > std::string, std::less<std::string>, std::allocator<std::pair<std::string > const, std::string> > >&, std::multimap<std::string, std::string, > std::less<std::string>, std::allocator<std::pair<std::string const, > std::string> > >&, std::string const&, int, std::string const&, std::string&, > std::string&, bool) (smtp.cpp:834) > ==1385== by 0x805D090: sendFile(std::string const&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, std::string&, > std::string&, std::string&, int&) (smtp.cpp:1314) > ==1385== by 0x804DB02: main (main.cpp:228) > ==1385== > ==1385== Invalid read of size 4 > ==1385== at 0x41EEE79: i2d_X509_CINF (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x41EF88E: i2d_X509 (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x40638F0: ssl3_output_cert_chain (in /lib/libssl.so.0.9.6b) > ==1385== by 0x405FC1D: ssl3_send_client_certificate > (in /lib/libssl.so.0.9.6b) > ==1385== by 0x405D96C: ssl3_connect (in /lib/libssl.so.0.9.6b) > ==1385== by 0x406801F: SSL_connect (in /lib/libssl.so.0.9.6b) > ==1385== by 0x8066426: sio_set_tlsclient_ssl (siobuf.c:203) > ==1385== by 0x8062A87: rsp_starttls (smtp-tls.c:721) > ==1385== by 0x8064AA1: do_session (protocol.c:364) > ==1385== by 0x8059E7A: sendMessage(std::string const&, std::string const&, > std::string const&, std::string const&, std::multimap<std::string, > std::string, std::less<std::string>, std::allocator<std::pair<std::string > const, std::string> > >&, std::multimap<std::string, std::string, > std::less<std::string>, std::allocator<std::pair<std::string const, > std::string> > >&, std::string const&, int, std::string const&, std::string&, > std::string&, bool) (smtp.cpp:834) > ==1385== by 0x805D090: sendFile(std::string const&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, std::string&, > std::string&, std::string&, int&) (smtp.cpp:1314) > ==1385== by 0x804DB02: main (main.cpp:228) > ==1385== Address 0xefefefef is not stack'd, malloc'd or (recently) free'd > ==1385== > ==1385== Process terminating with default action of signal 11 (SIGSEGV): > dumping core > ==1385== Access not within mapped region at address 0xEFEFEFEF > ==1385== at 0x41EEE79: i2d_X509_CINF (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x41EF88E: i2d_X509 (in /lib/libcrypto.so.0.9.6b) > ==1385== by 0x40638F0: ssl3_output_cert_chain (in /lib/libssl.so.0.9.6b) > ==1385== by 0x405FC1D: ssl3_send_client_certificate > (in /lib/libssl.so.0.9.6b) > ==1385== by 0x405D96C: ssl3_connect (in /lib/libssl.so.0.9.6b) > ==1385== by 0x406801F: SSL_connect (in /lib/libssl.so.0.9.6b) > ==1385== by 0x8066426: sio_set_tlsclient_ssl (siobuf.c:203) > ==1385== by 0x8062A87: rsp_starttls (smtp-tls.c:721) > ==1385== by 0x8064AA1: do_session (protocol.c:364) > ==1385== by 0x8059E7A: sendMessage(std::string const&, std::string const&, > std::string const&, std::string const&, std::multimap<std::string, > std::string, std::less<std::string>, std::allocator<std::pair<std::string > const, std::string> > >&, std::multimap<std::string, std::string, > std::less<std::string>, std::allocator<std::pair<std::string const, > std::string> > >&, std::string const&, int, std::string const&, std::string&, > std::string&, bool) (smtp.cpp:834) > ==1385== by 0x805D090: sendFile(std::string const&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, > std::multimap<std::string, std::string, std::less<std::string>, > std::allocator<std::pair<std::string const, std::string> > >&, std::string&, > std::string&, std::string&, int&) (smtp.cpp:1314) > ==1385== by 0x804DB02: main (main.cpp:228) > ==1385== If you believe this happened as a result of a stack overflow in your > ==1385== program's main thread (unlikely but possible), you can try to > increase > ==1385== the size of the main thread stack using the --main-stacksize= flag. > ==1385== The main thread stack size used in this run was 8388608. > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List openssl-us...@openssl.org > Automated List Manager majord...@openssl.org > ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
