42 lines
1.3 KiB
Diff
42 lines
1.3 KiB
Diff
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Thu, 13 Dec 2018 01:00:35 +0530
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Subject: pvrdma: add uar_read routine
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Define skeleton 'uar_read' routine. Avoid NULL dereference.
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Reported-by: Li Qiang <liq3ea@163.com>
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
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Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
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(cherry picked from commit 2aa86456fb938a11f2b7bd57c8643c213218681c)
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[BR: BSC#1119979 CVE-2018-20191]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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hw/rdma/vmw/pvrdma_main.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c
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index 34d8cc4694..c9d9631769 100644
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--- a/hw/rdma/vmw/pvrdma_main.c
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+++ b/hw/rdma/vmw/pvrdma_main.c
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@@ -455,6 +455,11 @@ static const MemoryRegionOps regs_ops = {
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},
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};
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+static uint64_t uar_read(void *opaque, hwaddr addr, unsigned size)
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+{
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+ return 0xffffffff;
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+}
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+
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static void uar_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
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{
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PVRDMADev *dev = opaque;
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@@ -496,6 +501,7 @@ static void uar_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
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}
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static const MemoryRegionOps uar_ops = {
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+ .read = uar_read,
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.write = uar_write,
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.endianness = DEVICE_LITTLE_ENDIAN,
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.impl = {
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