diff --git a/source3/libsmb/libsmb_xattr.c b/source3/libsmb/libsmb_xattr.c index 84937766fe2..9f7bea8da11 100644 --- a/source3/libsmb/libsmb_xattr.c +++ b/source3/libsmb/libsmb_xattr.c @@ -2073,6 +2073,25 @@ SMBC_getxattr_ctx(SMBCCTX *context, if (! srv->no_nt_session) { ipc_srv = SMBC_attr_server(frame, context, server, port, share, &workgroup, &user, &password); + /* + * SMBC_attr_server() can cause the original + * server to be removed from the cache. + * If so we must error out here as the srv + * pointer has been freed. + */ + if (smbc_getFunctionGetCachedServer(context)(context, + server, + share, + workgroup, + user) != srv) { +#if defined(ECONNRESET) + errno = ECONNRESET; +#else + errno = ETIMEDOUT; +#endif + TALLOC_FREE(frame); + return -1; + } if (! ipc_srv) { srv->no_nt_session = True; } @@ -2208,9 +2227,31 @@ SMBC_removexattr_ctx(SMBCCTX *context, } if (! srv->no_nt_session) { + int saved_errno; ipc_srv = SMBC_attr_server(frame, context, server, port, share, &workgroup, &user, &password); + saved_errno = errno; + /* + * SMBC_attr_server() can cause the original + * server to be removed from the cache. + * If so we must error out here as the srv + * pointer has been freed. + */ + if (smbc_getFunctionGetCachedServer(context)(context, + server, + share, + workgroup, + user) != srv) { +#if defined(ECONNRESET) + errno = ECONNRESET; +#else + errno = ETIMEDOUT; +#endif + TALLOC_FREE(frame); + return -1; + } if (! ipc_srv) { + errno = saved_errno; srv->no_nt_session = True; } } else {