--Antonio,
did you debug the preinstalled openssl app or have you tried to debug your own version, built with a debug configuration?
You get the best results in the debugger if you use the `debug-linux-x86_64` config target and
after building (you only need to run `make`, not `make install`) run it in the debugger directly from the sourcedirectory as follows:
util/shlib_wrap.sh gdb apps/openssl cms -sign -signer cert.pem -inkey 101 -keyform engine -engine pkcs11
If you can reproduce the crash with your debug version, please post a backtrace of the call stack when it’s stopped
at the segmentation fault.
HTH,
Matthias
Von: openssl-users <openssl-users-bounces@xxxxxxxxxxx> Im Auftrag von Antonio Iacono
Gesendet: Sonntag, 6. Januar 2019 19:55
An: openssl-users@xxxxxxxxxxx
Betreff: Possible bug in crypto/engine
Hi,
I sign a text file with:
openssl cms -sign -signer cert.pem -inkey 01 -keyform engine -engine pkcs11
in openssl.cnf
[pkcs11_section]
engine_id = pkcs11
dynamic_path = /path/pkcs11.so
MODULE_PATH = /path/opensc-pkcs11.soeverything works well but if I write a wrong key, es. -inkey 101, this is gdb result:
PKCS11_get_private_key returned NULL
cannot load signing key file from engine
140737353990592:error:26096080:engine routines:ENGINE_load_private_key:failed loading private key:crypto/engine/eng_pkey.c:78:
unable to load signing key file
Program received signal SIGSEGV, Segmentation fault.
__GI___pthread_rwlock_wrlock (rwlock=0x0) at pthread_rwlock_wrlock.c:27
27 pthread_rwlock_wrlock.c: No such file or directory
I realized that the error is probably here:
crypto/engine/eng_lib.c line 93
if (e->destroy)
e->destroy(e);CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ENGINE, e, &e->ex_data);
if I comment these lines openssl does not crash
I do not know engine well and I do not know what these two lines do, if anyone has any suggestions I can do some tests
Thanks,
Antonio Iacono
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