On 6/12/25 02:22, Karan Tilak Kumar wrote:
When both the RHBA and RPA FDMI requests time out, fnic reuses a frame to send ABTS for each of them. On send completion, this causes an attempt to free the same frame twice that leads to a crash.
Fix crash by allocating separate frames for RHBA and RPA, and modify ABTS logic accordingly.
Tested by checking MDS for FDMI information. Tested by using instrumented driver to: Drop PLOGI response Drop RHBA response Drop RPA response Drop RHBA and RPA response Drop PLOGI response + ABTS response Drop RHBA response + ABTS response Drop RPA response + ABTS response Drop RHBA and RPA response + ABTS response for both of them
Fixes: 09c1e6ab4ab2 ("scsi: fnic: Add and integrate support for FDMI") Reviewed-by: Sesidhar Baddela sebaddel@cisco.com Reviewed-by: Arulprabhu Ponnusamy arulponn@cisco.com Reviewed-by: Gian Carlo Boffa gcboffa@cisco.com Tested-by: Arun Easi aeasi@cisco.com Co-developed-by: Arun Easi aeasi@cisco.com Signed-off-by: Arun Easi aeasi@cisco.com Tested-by: Karan Tilak Kumar kartilak@cisco.com Signed-off-by: Karan Tilak Kumar kartilak@cisco.com
drivers/scsi/fnic/fdls_disc.c | 113 +++++++++++++++++++++++++--------- drivers/scsi/fnic/fnic_fdls.h | 1 + 2 files changed, 86 insertions(+), 28 deletions(-)
Reviewed-by: Hannes Reinecke hare@suse.de
Cheers,
Hannes