commit b545050b338e46c29936a2748aab7200e69a5c91
Author: Ingo Franzki <ifranzki@linux.ibm.com>
Date:   Tue Jul 26 15:11:06 2022 +0200

    EP11: Fix C_GetMechanismList returning CKR_BUFFER_TOO_SMALL
    
    For mixed card levels, the size query call and the call to obtain the
    list may run on different cards. When the size query call runs on a
    card with less mechanisms than the second call, will fail, but it
    returns the larger larger number of mechanisms.
    
    The code already re-allocates the buffer for retrieving the mechanism
    list, but does not return the larger number in pulCount. This will
    lead to a CKR_BUFFER_TOO_SMALL when the application calls C_GetMechanismList
    again to obtain the list of mechanisms, because the applications buffer
    is too small.
    
    Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>

diff --git a/usr/lib/ep11_stdll/ep11_specific.c b/usr/lib/ep11_stdll/ep11_specific.c
index 8d796452..1629e664 100644
--- a/usr/lib/ep11_stdll/ep11_specific.c
+++ b/usr/lib/ep11_stdll/ep11_specific.c
@@ -8977,6 +8977,8 @@ CK_RV ep11tok_get_mechanism_list(STDLL_TokData_t * tokdata,
                 if (rc != CKR_BUFFER_TOO_SMALL)
                     goto out;
             }
+            /* counter was updated in case of CKR_BUFFER_TOO_SMALL */
+            *pulCount = counter;
         } while (rc == CKR_BUFFER_TOO_SMALL);
 
         for (i = 0; i < counter; i++) {