From: Avinash Repaka <avinash.repaka@xxxxxxxxxx> Date: Tue, 24 Jul 2018 20:31:58 -0700 > Registration of a memory region(MR) through FRMR/fastreg(unlike FMR) > needs a connection/qp. With a proxy qp, this dependency on connection > will be removed, but that needs more infrastructure patches, which is a > work in progress. > > As an intermediate fix, the get_mr returns EOPNOTSUPP when connection > details are not populated. The MR registration through sendmsg() will > continue to work even with fast registration, since connection in this > case is formed upfront. > > This patch fixes the following crash: ... > Reported-by: syzbot+b51c77ef956678a65834@xxxxxxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx> > Signed-off-by: Avinash Repaka <avinash.repaka@xxxxxxxxxx> Applied and queued up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html