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-rw-r--r--meta/recipes-devtools/qemu/qemu/0019-fix-CVE-2018-20216.patch85
1 files changed, 0 insertions, 85 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/0019-fix-CVE-2018-20216.patch b/meta/recipes-devtools/qemu/qemu/0019-fix-CVE-2018-20216.patch
deleted file mode 100644
index c02bad3..0000000
--- a/meta/recipes-devtools/qemu/qemu/0019-fix-CVE-2018-20216.patch
+++ /dev/null
@@ -1,85 +0,0 @@
-CVE: CVE-2018-20216
-Upstream-Status: Backport [https://git.qemu.org/?p=qemu.git;a=commit;h=f1e2e38]
-
-Signed-off-by: Kai Kang <kai.kang@windriver.com>
-
-From f1e2e38ee0136b7710a2caa347049818afd57a1b Mon Sep 17 00:00:00 2001
-From: Prasad J Pandit <pjp@fedoraproject.org>
-Date: Thu, 13 Dec 2018 01:00:39 +0530
-Subject: [PATCH] pvrdma: check return value from pvrdma_idx_ring_has_ routines
-
-pvrdma_idx_ring_has_[data/space] routines also return invalid
-index PVRDMA_INVALID_IDX[=-1], if ring has no data/space. Check
-return value from these routines to avoid plausible infinite loops.
-
-Reported-by: Li Qiang <liq3ea@163.com>
-Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
-Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
-Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
----
- hw/rdma/vmw/pvrdma_dev_ring.c | 29 +++++++++++------------------
- 1 file changed, 11 insertions(+), 18 deletions(-)
-
-diff --git a/hw/rdma/vmw/pvrdma_dev_ring.c b/hw/rdma/vmw/pvrdma_dev_ring.c
-index 01247fc041..e8e5b502f6 100644
---- a/hw/rdma/vmw/pvrdma_dev_ring.c
-+++ b/hw/rdma/vmw/pvrdma_dev_ring.c
-@@ -73,23 +73,16 @@ out:
-
- void *pvrdma_ring_next_elem_read(PvrdmaRing *ring)
- {
-+ int e;
- unsigned int idx = 0, offset;
-
-- /*
-- pr_dbg("%s: t=%d, h=%d\n", ring->name, ring->ring_state->prod_tail,
-- ring->ring_state->cons_head);
-- */
--
-- if (!pvrdma_idx_ring_has_data(ring->ring_state, ring->max_elems, &idx)) {
-+ e = pvrdma_idx_ring_has_data(ring->ring_state, ring->max_elems, &idx);
-+ if (e <= 0) {
- pr_dbg("No more data in ring\n");
- return NULL;
- }
-
- offset = idx * ring->elem_sz;
-- /*
-- pr_dbg("idx=%d\n", idx);
-- pr_dbg("offset=%d\n", offset);
-- */
- return ring->pages[offset / TARGET_PAGE_SIZE] + (offset % TARGET_PAGE_SIZE);
- }
-
-@@ -105,20 +98,20 @@ void pvrdma_ring_read_inc(PvrdmaRing *ring)
-
- void *pvrdma_ring_next_elem_write(PvrdmaRing *ring)
- {
-- unsigned int idx, offset, tail;
-+ int idx;
-+ unsigned int offset, tail;
-
-- /*
-- pr_dbg("%s: t=%d, h=%d\n", ring->name, ring->ring_state->prod_tail,
-- ring->ring_state->cons_head);
-- */
--
-- if (!pvrdma_idx_ring_has_space(ring->ring_state, ring->max_elems, &tail)) {
-+ idx = pvrdma_idx_ring_has_space(ring->ring_state, ring->max_elems, &tail);
-+ if (idx <= 0) {
- pr_dbg("CQ is full\n");
- return NULL;
- }
-
- idx = pvrdma_idx(&ring->ring_state->prod_tail, ring->max_elems);
-- /* TODO: tail == idx */
-+ if (idx < 0 || tail != idx) {
-+ pr_dbg("invalid idx\n");
-+ return NULL;
-+ }
-
- offset = idx * ring->elem_sz;
- return ring->pages[offset / TARGET_PAGE_SIZE] + (offset % TARGET_PAGE_SIZE);
---
-2.20.1
-