qemu/virtio-mem-Fix-the-iterator-variable-in-a-vmem-rdl_l.patch

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QEMU update to version 6.2.0-91 - hw/virtio/virtio-crypto: Protect from DMA re-entrancy bugs(CVE-2024-3446) - hw/char/virtio-serial-bus: Protect from DMA re-entrancy bugs(CVE-2024-3446) - hw/display/virtio-gpu: Protect from DMA re-entrancy bugs(CVE-2024-3446) - hw/virtio: Introduce virtio_bh_new_guarded() helper - hw: replace most qemu_bh_new calls with qemu_bh_new_guarded - checkpatch: add qemu_bh_new/aio_bh_new checks - async: avoid use-after-free on re-entrancy guard - async: Add an optional reentrancy guard to the BH API - hw/sd/sdhci: Do not update TRNMOD when Command Inhibit (DAT) is set(CVE-2024-3447) - rtl8139: Remove unused variable - tulip: Remove unused variable - virtio-mem: Fix the bitmap index of the section offset - virtio-mem: Fix the iterator variable in a vmem->rdl_list loop - system/memory: use ldn_he_p/stn_he_p - block: Fix crash when loading snapshot on inactive node - smmu: Clear SMMUPciBus pointer cache when system reset - block/mirror: Fix NULL s->job in active writes - amd_iommu: Fix APIC address check - virtio-crypto: fix NULL pointer dereference in virtio_crypto_free_reques - libqos/virtio.c: Correct 'flags' reading in qvirtqueue_kick cherry-pick from 66e411885a23c96ff73742d06b793fec3ceaebb7 - ivshmem-test.c: enable test_ivshmem_server for ppc64 arch - ivshmem.c: change endianness to LITTLE_ENDIAN - hw/ppc/mac.h: Remove MAX_CPUS macro - configure: remove dead variables - virtio-gpu: do not byteswap padding - hw/intc: clean-up error reporting for failed ITS cmd - qemu-iotests: Discard stderr when probing devices - linux-user: un-parent OBJECT(cpu) when closing thread - hw/net/rocker: Avoid undefined shifts with more than 31 ports - contrib/vhost-user-blk: Clean up deallocation of VuVirtqElement - scsi-disk: fix overflow when block size is not a multiple of BDRV_SECTOR_SIZE Signed-off-by: Jiabo Feng <fengjiabo1@huawei.com>
2024-04-22 10:37:40 +08:00
From 9fb38321dbddc7e0e8c18c2cde47bc0261bd8058 Mon Sep 17 00:00:00 2001
From: zhujun2 <zhujun2_yewu@cmss.chinamobile.com>
Date: Thu, 11 Apr 2024 00:31:44 -0700
Subject: [PATCH] virtio-mem: Fix the iterator variable in a vmem->rdl_list
loop
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It should be the variable rdl2 to revert the already-notified listeners.
Fixes: 2044969f0b ("virtio-mem: Implement RamDiscardManager interface")
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20221228090312.17276-1-chenyi.qiang@intel.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
(cherry picked from commit 29f1b328e3b767cba2661920a8470738469b9e36)
Signed-off-by: zhujun2 <zhujun2_yewu@cmss.chinamobile.com>
---
hw/virtio/virtio-mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/virtio/virtio-mem.c b/hw/virtio/virtio-mem.c
index becac0d93b..ddf7e2ec12 100644
--- a/hw/virtio/virtio-mem.c
+++ b/hw/virtio/virtio-mem.c
@@ -311,7 +311,7 @@ static int virtio_mem_notify_plug(VirtIOMEM *vmem, uint64_t offset,
if (ret) {
/* Notify all already-notified listeners. */
QLIST_FOREACH(rdl2, &vmem->rdl_list, next) {
- MemoryRegionSection tmp = *rdl->section;
+ MemoryRegionSection tmp = *rdl2->section;
if (rdl2 == rdl) {
break;
--
2.27.0