From 2dc02ee52f32aac6d8dd1172f104dc30ae1051bb Mon Sep 17 00:00:00 2001 From: Kiran Patil Date: Fri, 8 Oct 2010 17:12:41 -0700 Subject: [SCSI] libfcoe: VN2VN connection setup causing stack memory corruption. Fix: When FIP frame is received, function fcoe_ctlr_vn_recv calls function fcoe_ctlr_vn_parse which does memset for addr (&buf.rdata) which leads to memory corruption. Code was trying to treat "buf" as struct but it was defined as union. Fix is to change from union to struct for "buf" in function fcoe_ctlr_vn_recv. Technical Details: N/A Signed-off-by: Kiran Patil Acked-by: Joe Eykholt Signed-off-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/fcoe/libfcoe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c index aa503d8..bc17c71 100644 --- a/drivers/scsi/fcoe/libfcoe.c +++ b/drivers/scsi/fcoe/libfcoe.c @@ -2296,7 +2296,7 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, struct sk_buff *skb) { struct fip_header *fiph; enum fip_vn2vn_subcode sub; - union { + struct { struct fc_rport_priv rdata; struct fcoe_rport frport; } buf; -- cgit v1.1