Jan Ehrhardt wrote: > Libssh2 does not need any engine, so it is safe to remove both > ENGINE_load_builtin_engines() and ENGINE_register_all_complete() by > applying this patch in src/openssl.h: > https://github.com/Jan-E/iSSH2/commit/6b2b61d56fc43642980aacc529c9d9d14263cebf#diff-47bf3a78aa165576c6c85a942ddf572bR1 .. > In libssh2 1.9.0+ you could also recompile with a defined > OPENSSL_NO_ENGINE.
True as that may be, it merely papers over the actual programming error. OpenSSL wouldn't crash unless it is being called in a wrong way, through libssh2. In particular, libssh2_init(3) notes that the function is not thread safe. Leos test case in a minimal SFTP application working well suggests that a complexity in the full application causes the crash. Multiple threads are a fairly likely candidate, but no matter what the cause is, ensuring that libssh2_init() is only called a single time on startup could solve the problem properly. //Peter _______________________________________________ libssh2-devel https://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
